Hwang; Seok Hwan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hwang; Seok Hwan.The latest application filed is for "side sill for a vehicle".

Company Profile

12.174.167

Hwang; Seok Hwan - Busan KR
HWANG; Seok-Hwan - Yongin-si KR
Hwang; Seok Hwan - Suwon-si KR
Hwang; Seok-Hwan - Yongin KR
Hwang; Seok-Hwan - Yongin-City KR
Hwang; Seok Hwan - Gyungbuk KR
Hwang; Seok-Hwan - Seoul KR
Hwang, Seok-Hwan - Kyunggi-do KR
Hwang; Seok Hwan - Suwon-Shi KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Side sill for a vehicle Grant 11,148,723 - Chung , et al. October 19, 2	2021-10-19
Side Sill For A Vehicle App 20200406982 - Chung; Hee Seouk ; et al.	2020-12-31
Phenylcarbazole-based Compounds And Fluorene-based Compounds And Organic Light Emitting Device And Flat Panel Display Device Com App 20200152884 - HWANG; Seok-Hwan ; et al.	2020-05-14
Condensed cyclic compounds and organic light-emitting devices including the same Grant 10,608,189 - Jeong , et al.	2020-03-31
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same Grant 10,573,821 - Hwang , et al. Feb	2020-02-25
Light emitting diode Grant 10,381,522 - Han , et al. A	2019-08-13
Phenylcarbazole-based Compounds And Fluorene-based Compounds And Organic Light Emitting Device And Flat Panel Display Device Com App 20190157568 - HWANG; Seok-Hwan ; et al.	2019-05-23
Amine-based compound and organic light-emitting device including the same Grant 10,290,820 - Jun , et al.	2019-05-14
Compound and organic light-emitting device including the same Grant 10,256,416 - Lee , et al.	2019-04-09
Anthracene-based compound and organic light-emitting device including the same Grant 10,256,412 - Kim , et al.	2019-04-09
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same Grant 10,211,406 - Hwang , et al. Feb	2019-02-19
Amine-based compound and organic light-emitting device including the same Grant 10,193,074 - Hwang , et al. Ja	2019-01-29
Pyrene-based compound and organic light-emitting diode comprising the same Grant 10,193,072 - Jeong , et al. Ja	2019-01-29
Amine-based compound and organic light-emitting device including the same Grant 10,193,073 - Kim , et al. Ja	2019-01-29
Condensed Cyclic Compounds And Organic Light-emitting Devices Including The Same App 20190013483 - JEONG; Eun-Jae ; et al.	2019-01-10
Styrl-based compound and organic light emitting diode comprising the same Grant 10,147,882 - Han , et al. De	2018-12-04
Condensed cyclic compounds and organic light-emitting devices including the same Grant 10,069,083 - Jeong , et al. September 4, 2	2018-09-04
Organic light-emitting device Grant 9,997,713 - Park , et al. June 12, 2	2018-06-12
Phenylcarbazole-based Compounds And Fluorene-based Compounds And Organic Light Emitting Device And Flat Panel Display Device Comprising The Same App 20180159047 - Hwang; Seok-Hwan ; et al.	2018-06-07
Light Emitting Diode App 20180138373 - HAN; Sang Hyun ; et al.	2018-05-17
Arylamine-based compound and organic light emitting diode comprising the same Grant 9,960,359 - Hwang , et al. May 1, 2	2018-05-01
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same Grant 9,917,258 - Hwang , et al. March 13, 2	2018-03-13
Pyrene-based compound and organic light-emitting diode including the same Grant 9,882,141 - Jung , et al. January 30, 2	2018-01-30
Aryl amine condensed cyclic compound comprising pyrene moieties and organic light-emitting diode (OLED) including the same Grant 9,876,176 - Kim , et al. January 23, 2	2018-01-23
Condensed-cyclic compound and organic light-emitting device comprising the same Grant 9,837,614 - Lee , et al. December 5, 2	2017-12-05
Condensed cyclic compound and organic light-emitting device comprising the same Grant 9,831,443 - Lee , et al. November 28, 2	2017-11-28
Organic light-emitting device Grant 9,822,133 - Kim , et al. November 21, 2	2017-11-21
Organic light-emitting device Grant 9,825,240 - Kim , et al. November 21, 2	2017-11-21
Condensed cyclic compound and organic light-emitting device including the same Grant 9,825,231 - Kim , et al. November 21, 2	2017-11-21
Compound and organic light-emitting device comprising the compound Grant 9,806,267 - Hwang , et al. October 31, 2	2017-10-31
Silicon-based compound and organic light-emitting diode comprising the same Grant 9,773,987 - Jung , et al. September 26, 2	2017-09-26
Compound and organic light-emitting device including the same Grant 9,716,234 - Park , et al. July 25, 2	2017-07-25
Condensed cyclic compound and organic light-emitting device comprising the same Grant 9,711,736 - Han , et al. July 18, 2	2017-07-18
Heterocyclic compound and organic light-emitting device including the same Grant 9,705,093 - Hwang , et al. July 11, 2	2017-07-11
Triazine-based compounds and organic light-emitting devices including triazine-based compounds Grant 9,705,088 - Park , et al. July 11, 2	2017-07-11
Condensed cyclic compound and organic light-emitting device comprising the same Grant 9,660,197 - Hwang , et al. May 23, 2	2017-05-23
Heterocyclic compound and orgainic light-emitting device including the same Grant 9,640,768 - Hwang , et al. May 2, 2	2017-05-02
Heterocyclic compound and organic light-emitting diode including the same Grant 9,627,634 - Jeong , et al. April 18, 2	2017-04-18
Compound for organic optoelectronic device organic light emitting diode including the same and display including the organic light emitting diode Grant 9,627,624 - Lim , et al. April 18, 2	2017-04-18
Heterocyclic compound and organic light-emitting diode including the same Grant 9,608,211 - Kim , et al. March 28, 2	2017-03-28
Heterocyclic compound and organic light-emitting diode including the same Grant 9,601,702 - Han , et al. March 21, 2	2017-03-21
Condensed cyclic compound and organic light-emitting device including the same Grant 9,601,700 - Kim , et al. March 21, 2	2017-03-21
Anthracene-based compounds and organic light-emitting device including the same Grant 9,583,715 - Park , et al. February 28, 2	2017-02-28
Compound for organic light-emitting diode and organic light-emitting diode including the same Grant 9,567,287 - Park , et al. February 14, 2	2017-02-14
Heterocyclic compound and organic light-emitting device including the same Grant 9,564,603 - Jung , et al. February 7, 2	2017-02-07
Condensed-cyclic compound and organic light-emitting device including the same Grant 9,564,601 - Kim , et al. February 7, 2	2017-02-07
Compound with electron injection and/or electron transport capabilities and organic light-emitting device including the same Grant 9,559,310 - Jung , et al. January 31, 2	2017-01-31
Organic compound and organic light emitting diode device including the same Grant 9,548,456 - Lee , et al. January 17, 2	2017-01-17
Phenylcarbazole-based Compounds And Fluorene-based Compounds And Organic Light Emitting Device And Flat Panel Display Device Comprising The Same App 20170005273 - Hwang; Seok-Hwan ; et al.	2017-01-05
Heterocyclic compound and organic light-emitting device including the same Grant 9,537,108 - Kim , et al. January 3, 2	2017-01-03
Condensed-cyclic compound and organic light-emitting diode including the condensed-cyclic compound Grant 9,537,104 - Jung , et al. January 3, 2	2017-01-03
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same Grant 9,478,754 - Hwang , et al. October 25, 2	2016-10-25
Compound and organic light-emitting device including the same Grant 9,455,407 - Kim , et al. September 27, 2	2016-09-27
Heterocyclic compound and organic light-emitting device including the same Grant 9,444,056 - Hwang , et al. September 13, 2	2016-09-13
Heterocyclic compound and organic light-emitting device including the same Grant 9,437,827 - Hwang , et al. September 6, 2	2016-09-06
Condensed cyclic compound and organic light-emitting device including the same Grant 9,425,416 - Jung , et al. August 23, 2	2016-08-23
Heterocyclic compound and organic light-emitting device including the same Grant 9,425,407 - Hwang , et al. August 23, 2	2016-08-23
Heterocyclic compound and organic light-emitting diode comprising the same Grant 9,419,228 - Hwang , et al. August 16, 2	2016-08-16
Compound and organic light-emitting diode including the same Grant 9,406,890 - Lim , et al. August 2, 2	2016-08-02
Compound and organic light-emitting diode including the same Grant 9,397,300 - Park , et al. July 19, 2	2016-07-19
Heterocyclic compound and organic light-emitting device including the same Grant 9,391,280 - Park , et al. July 12, 2	2016-07-12
Heterocyclic compound and organic light-emitting diode including the same Grant 9,391,282 - Lee , et al. July 12, 2	2016-07-12
Heterocyclic compound and organic light emitting device including the same Grant 9,385,325 - Kim , et al. July 5, 2	2016-07-05
Compound for organic light-emitting device and organic light-emitting device including the same Grant 9,371,270 - Lim , et al. June 21, 2	2016-06-21
Heterocyclic compound and organic light-emitting device comprising the same Grant 9,368,730 - Hwang , et al. June 14, 2	2016-06-14
Heterocyclic compound and organic light-emitting device including the same Grant 9,362,506 - Kim , et al. June 7, 2	2016-06-07
Compound and organic light-emitting device including the same Grant 9,337,431 - Lim , et al. May 10, 2	2016-05-10
Heterocyclic compound, organic light-emitting diode including the heterocyclic compound, and flat display device including the organic light-emitting diode Grant 9,312,497 - Han , et al. April 12, 2	2016-04-12
Heterocyclic compound, organic light-emitting diode comprising the heterocyclic compound, and flat panel display device comprising the organic light-emitting diode Grant 9,309,197 - Kim , et al. April 12, 2	2016-04-12
Organic light-emitting diode Grant 9,293,710 - Cho , et al. March 22, 2	2016-03-22
Styryl-based compound, composition containing styryl-based compound, and organic light emitting diode including styryl-based compound Grant 9,288,869 - Han , et al. March 15, 2	2016-03-15
Heterocyclic compound and organic light-emitting device including the same Grant 9,278,927 - Kim , et al. March 8, 2	2016-03-08
Arylamine compound and organic light-emitting device comprising same Grant 9,276,218 - Kim , et al. March 1, 2	2016-03-01
Heterocyclic compounds and organic light emitting devices including the same Grant 9,252,370 - Hwang , et al. February 2, 2	2016-02-02
Compound and organic light emitting device including the same Grant 9,246,109 - Kim , et al. January 26, 2	2016-01-26
Condensed-cyclic compound, organic light-emitting diode comprising the same and flat panel display device comprising the organic light-emitting diode Grant 9,224,961 - Kim , et al. December 29, 2	2015-12-29
Amine-based Compound And Organic Light-emitting Device Including The Same App 20150364705 - Jun; Mi-Eun ; et al.	2015-12-17
Organic Light-emitting Device App 20150364697 - Kim; Myeong-Suk ; et al.	2015-12-17
Amine-based Compound And Organic Light-emitting Device Including The Same App 20150357575 - Kim; Soo-Yon ; et al.	2015-12-10
Amine-based compound and organic light-emitting device including the same Grant 9,209,407 - Kim , et al. December 8, 2	2015-12-08
Amine-based Compound And Organic Light- Emitting Device Including The Same App 20150349265 - HWANG; Seok-Hwan ; et al.	2015-12-03
Condensed Cyclic Compounds And Organic Light-emitting Devices Including The Same App 20150349275 - JEONG; Eun-Jae ; et al.	2015-12-03
Organic light emitting display devices and methods of manufacturing organic light emitting display devices Grant 9,203,031 - Lim , et al. December 1, 2	2015-12-01
Organic compound and organic light-emitting device comprising the same Grant 9,196,838 - Lim , et al. November 24, 2	2015-11-24
Condensed Cyclic Compound And Organic Light-emitting Device Comprising The Same App 20150333268 - Han; Sang-Hyun ; et al.	2015-11-19
Organic Light-emitting Device App 20150333281 - KIM; Myeong-Suk ; et al.	2015-11-19
Amine-based compound and organic light-emitting diode including the same Grant 9,181,474 - Kim , et al. November 10, 2	2015-11-10
Compound for organic light-emitting device and organic light-emitting device including the same Grant 9,178,162 - Han , et al. November 3, 2	2015-11-03
Compound and organic light emitting device including the same Grant 9,172,050 - Kim , et al. October 27, 2	2015-10-27
Organic light-emitting device Grant 9,163,004 - Kwak , et al. October 20, 2	2015-10-20
Condensed-cyclic compound and organic light-emitting device including the same Grant 9,150,496 - Kim , et al. October 6, 2	2015-10-06
Condensed Cyclic Compound And Organic Light-emitting Device Comprising The Same App 20150270498 - Lee; Eun-Young ; et al.	2015-09-24
Condensed Cyclic Compound And Organic Light-emitting Device Comprising The Same App 20150263293 - Hwang; Seok-Hwan ; et al.	2015-09-17
Compound And Organic Light-emitting Device Including The Same App 20150255736 - Kim; Young-Kook ; et al.	2015-09-10
Compound And Organic Light-emitting Device Including The Same App 20150255721 - Lim; Jin-O ; et al.	2015-09-10
Compound And Organic Light-emitting Device Including The Same App 20150255723 - KIM; Jong-Woo ; et al.	2015-09-10
Compound And Organic Light-emitting Device Including The Same App 20150243895 - LIM; Jin-O ; et al.	2015-08-27
Organic light emitting diode Grant 9,105,860 - Hwang , et al. August 11, 2	2015-08-11
Phenylcarbazole-based Compounds And Fluorene-based Compounds And Organic Light Emitting Device And Flat Panel Display Device Comprising The Same App 20150221872 - Hwang; Seok-Hwan ; et al.	2015-08-06
Benzofluorene-based compounds and organic light-emitting diode including the same Grant 9,082,987 - Han , et al. July 14, 2	2015-07-14
Organic light-emitting device Grant 9,067,885 - Kwak , et al. June 30, 2	2015-06-30
Triazine-based Compounds And Organic Light-emitting Devices Including Triazine-based Compounds App 20150171336 - Park; Jun-Ha ; et al.	2015-06-18
Compound And Organic Light-emitting Device Comprising The Compound App 20150162544 - Hwang; Seok-Hwan ; et al.	2015-06-11
Heterocyclic compound and organic light-emitting device including the same Grant 9,051,328 - Kim , et al. June 9, 2	2015-06-09
Heterocyclic compound, organic light-emitting diode including the heterocyclic compound, and flat display device including the organic light-emitting diode Grant 9,005,777 - Jung , et al. April 14, 2	2015-04-14
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20150090964 - Hwang; Seok-Hwan ; et al.	2015-04-02
Heterocyclic compound and organic light-emitting device containing same Grant 8,993,128 - Lee , et al. March 31, 2	2015-03-31
Heterocyclic compound and organic light-emitting device including the same Grant 8,986,855 - Lim , et al. March 24, 2	2015-03-24
Condensed Cyclic Compound And Organic Light-emitting Device Including The Same App 20150069347 - KIM; Kwang-Hyun ; et al.	2015-03-12
Condensed Compound And Organic Light-emitting Diode Including The Same App 20150069355 - HWANG; Seok-Hwan ; et al.	2015-03-12
Condensed Cyclic Compound And Organic Light-emitting Device Including The Same App 20150069344 - KIM; Jong-Woo ; et al.	2015-03-12
Condensed-cyclic Compound And Organic Light-emitting Device Comprising The Same App 20150069342 - Lee; Eun-Young ; et al.	2015-03-12
Condensed-cyclic compound and organic light-emitting diode comprising the same Grant 8,974,921 - Lee , et al. March 10, 2	2015-03-10
Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same Grant 8,974,922 - Hwang , et al. March 10, 2	2015-03-10
Compound And Organic Light-emitting Device Including The Same App 20150060787 - PARK; Jun-Ha ; et al.	2015-03-05
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20150053941 - JUNG; Hye-Jin ; et al.	2015-02-26
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20150053940 - KIM; Soo-Yon ; et al.	2015-02-26
Condensed-cyclic Compound And Organic Light-emitting Device Including The Same App 20150048323 - KIM; Soo-Yon ; et al.	2015-02-19
Anthracene-based Compound And Organic Light-emitting Device Including The Same App 20150048321 - KIM; Young-Kook ; et al.	2015-02-19
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20150048343 - HAN; Sang-Hyun ; et al.	2015-02-19
Anthracene-based Compounds And Organic Light-emitting Device Including The Same App 20150041773 - PARK; Jun-Ha ; et al.	2015-02-12
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20150041775 - JEONG; Eun-Jae ; et al.	2015-02-12
Compound For Organic Optoelectronic Device Organic Light Emitting Diode Including The Same And Display Including The Organic Light Emitting Diode App 20150014656 - LIM; Jin-O ; et al.	2015-01-15
Compound And Organic Light-emitting Device Including The Same App 20150001479 - Lee; Eun-Young ; et al.	2015-01-01
Heterocyclic Compound And Orgainic Light-emitting Device Including The Same App 20150001496 - HWANG; Seok-Hwan ; et al.	2015-01-01
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20150001493 - HWANG; Seok-Hwan ; et al.	2015-01-01
Heteroarylamine compound and organic luminescence device using the same Grant 8,911,885 - Kim , et al. December 16, 2	2014-12-16
Heterocyclic Compound And Organic Light-emitting Device Comprising The Same App 20140361254 - Hwang; Seok-Hwan ; et al.	2014-12-11
Heterocyclic Compound And Organic Light-emitting Diode Comprising The Same App 20140361258 - Hwang; Seok-Hwan ; et al.	2014-12-11
Arylamine-based Compound And Organic Light Emitting Diode Comprising The Same App 20140361259 - Hwang; Seok-Hwan ; et al.	2014-12-11
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20140361268 - HWANG; Seok-Hwan ; et al.	2014-12-11
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20140361255 - Hwang; Seok-Hwan ; et al.	2014-12-11
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20140361267 - KIM; Soo-Yon ; et al.	2014-12-11
Condensed Cyclic Compound And Organic Light-emitting Device Including The Same App 20140361266 - Jung; Hye-Jin ; et al.	2014-12-11
Condensed Cyclic Compound And Organic Light-emitting Diode Including The Same App 20140353617 - KIM; Soo-Yon ; et al.	2014-12-04
Organic light-emitting device Grant 8,889,270 - Lim , et al. November 18, 2	2014-11-18
Organic light emitting device Grant 8,889,267 - Kim , et al. November 18, 2	2014-11-18
Styrl-based Compound And Organic Light Emitting Diode Comprising The Same App 20140332772 - Han; Sang-Hyun ; et al.	2014-11-13
Benzofluorene-based Compounds And Organic Light-emitting Diode Including The Same App 20140326961 - Han; Sang-Hyun ; et al.	2014-11-06
Organic Compound And Organic Light Emitting Diode Device Including The Same App 20140306190 - LEE; Eun-Young ; et al.	2014-10-16
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20140291654 - Kim; Young-Kook ; et al.	2014-10-02
Organic light-emitting device Grant 8,846,213 - Kim , et al. September 30, 2	2014-09-30
Compound And Organic Light-emitting Diode Including The Same App 20140252323 - LIM; Jin-O ; et al.	2014-09-11
Heterocyclic compound and organic light-emitting device including the same Grant 8,828,559 - Jung , et al. September 9, 2	2014-09-09
Pyrene-based Compound And Organic Light-emitting Diode Comprising The Same App 20140239269 - Jeong; Eun-Jae ; et al.	2014-08-28
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20140239260 - Lee; Eun-Young ; et al.	2014-08-28
Heterocyclic compound and organic light-emitting device including the same Grant 8,815,417 - Kim , et al. August 26, 2	2014-08-26
Compound And Organic Light-emitting Diode Including The Same App 20140225070 - Park; Jun-Ha ; et al.	2014-08-14
Novel Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20140209871 - Park; Jun-Ha ; et al.	2014-07-31
Organic Light-emitting Device App 20140209875 - Park; Jun-Ha ; et al.	2014-07-31
Compound, Organic Light Emitting Device Including The Compound, And Flat Display Device Including The Organic Light Emitting Device App 20140209872 - Park; Jun-Ha ; et al.	2014-07-31
Silicon-based Compound And Organic Light-emitting Diode Comprising The Same App 20140209869 - Jung; Hye-Jin ; et al.	2014-07-31
Amine-based Compound And Organic Light Emitting Diode Comprising The Same App 20140209878 - JUNG; Hye-Jin ; et al.	2014-07-31
Heterocyclic compound and organic light-emitting diode and flat display device including the heterocyclic compound Grant 8,771,844 - Kim , et al. July 8, 2	2014-07-08
Condensed Cyclic Compound And Organic Light-emitting Device Comprising The Same App 20140183463 - Lee; Eun-Young ; et al.	2014-07-03
Arylamine Compound And Organic Light- Emitting Device Comprising Same App 20140175398 - Kim; Soo-Yon ; et al.	2014-06-26
Pyrene-based Compound And Organic Light-emitting Diode Including The Same App 20140167007 - Jung; Hye-Jin ; et al.	2014-06-19
Amine-based Compound And Organic Light- Emitting Device Including The Same App 20140138632 - Kim; Young-Kook ; et al.	2014-05-22
Organic Light-emitting Device App 20140138633 - Jung; Hye-Jin ; et al.	2014-05-22
Heterocyclic Compounds And Organic Light Emitting Devices Including The Same App 20140124747 - Hwang; Seok-Hwan ; et al.	2014-05-08
Heterocyclic Compound And Organic Light Emitting Device Including The Same App 20140124748 - Kim; Young-Kook ; et al.	2014-05-08
Organic Compound And Organic Light-emitting Device Comprising The Same App 20140117327 - Lim; Jin-O ; et al.	2014-05-01
Compound And Organic Light Emitting Device Including The Same App 20140110675 - KIM; Young-Kook ; et al.	2014-04-24
Compound And Organic Light Emitting Device Including The Same App 20140110676 - KIM; Young-Kook ; et al.	2014-04-24
Heterocyclic compound and organic light-emitting diode including the same Grant 8,679,648 - Han , et al. March 25, 2	2014-03-25
Condensed-cyclic Compound And Organic Light-emitting Diode Including The Condensed-cyclic Compound App 20140077175 - Jung; Hye-Jin ; et al.	2014-03-20
Condensed-cyclic Compound And Organic Light-emitting Device Including The Same App 20140027721 - Kim; Soo-Yon ; et al.	2014-01-30
Novel Compound With Electron Injection And/or Electron Transport Capabilities And Organic Light-emitting Device Including The Same App 20140014925 - Jung; Hye-Jin ; et al.	2014-01-16
Compound For Organic Light-emitting Device And Organic Light-emitting Device Including The Same App 20140014916 - Han; Sang-Hyun ; et al.	2014-01-16
Heterocyclic compound and organic light-emitting diode and flat display device including the heterocyclic compound Grant 8,623,521 - Kim , et al. January 7, 2	2014-01-07
Compound For Organic Light-emitting Device And Organic Light-emitting Device Including The Same App 20130328021 - Lim; Jin-O ; et al.	2013-12-12
Heterocyclic compound, organic light-emitting device including the heterocyclic compound, and flat display device including the organic light-emitting device Grant 8,597,801 - Kwak , et al. December 3, 2	2013-12-03
Compound For Organic Light-emitting Diode And Organic Light-emitting Diode Including The Same App 20130270524 - Park; Jun-Ha ; et al.	2013-10-17
Organic light-emitting device Grant 8,546,793 - Kim , et al. October 1, 2	2013-10-01
Heterocyclic compound and organic light emitting device including the same Grant 8,535,814 - Kwak , et al. September 17, 2	2013-09-17
Organic Light-emitting Diode App 20130228755 - Cho; Se-Jin ; et al.	2013-09-05
Heterocyclic compound and organic light-emitting device including the same Grant 8,524,380 - Kim , et al. September 3, 2	2013-09-03
Amine-based Compound And Organic Light-emitting Diode Including The Same App 20130200338 - Kim; Young-Kook ; et al.	2013-08-08
Heterocyclic compound and organic light-emitting device including the same Grant 8,455,866 - Jung , et al. June 4, 2	2013-06-04
Organic light-emitting device Grant 8,455,867 - Kim , et al. June 4, 2	2013-06-04
Styryl-based Compound, Composition Containing Styryl-based Compound, And Organic Light Emitting Diode Including Styryl-based Compound App 20130119355 - Han; Sang-Hyun ; et al.	2013-05-16
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20130112948 - Jung; Hye-Jin ; et al.	2013-05-09
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20130113367 - Jung; Hye-Jin ; et al.	2013-05-09
Condensed-cyclic Compound And Organic Light-emitting Device Including The Same App 20130105769 - Lim; Jin-O ; et al.	2013-05-02
Heterocyclic compound and organic light-emitting device comprising the same Grant 8,431,251 - Lim , et al. April 30, 2	2013-04-30
Organic light-emitting device Grant 8,431,241 - Kwak , et al. April 30, 2	2013-04-30
Heterocyclic Compound, Organic Light-emitting Diode Including The Heterocyclic Compound, And Flat Display Device Including The Organic Light-emitting Diode App 20130099206 - Jung; Hye-Jin ; et al.	2013-04-25
Heterocyclic Compound, Organic Light-emitting Diode Comprising The Heterocyclic Compound, And Flat Panel Display Device Comprising The Organic Light-emitting Diode App 20130087768 - Kim; Young-Kook ; et al.	2013-04-11
Heteroarylamine compound and organic light-emitting device including the same Grant 8,399,880 - Kim , et al. March 19, 2	2013-03-19
Compound for forming organic film, and organic light emitting device and flat panel display device including the same Grant 8,394,511 - Hwang , et al. March 12, 2	2013-03-12
Heterocyclic compound and organic light-emitting device including the same Grant 8,384,074 - Lim , et al. February 26, 2	2013-02-26
Heterocyclic Compound And Organic Light-emitting Diode Including The Same App 20130037782 - Han; Sang-Hyun ; et al.	2013-02-14
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20130032787 - Kim; Young-Kook ; et al.	2013-02-07
Organic light emitting device Grant 8,362,470 - Kim , et al. January 29, 2	2013-01-29
Organic Light Emitting Display Devices And Methods Of Manufacturing Organic Light Emitting Display Devices App 20130001530 - Lim; Jin-O ; et al.	2013-01-03
Heterocyclic Compound And Organic Light-emitting Device Comprising The Same App 20130001524 - Lim; Jin-O ; et al.	2013-01-03
Organic Light Emitting Diode App 20130001532 - Hwang; Seok-Hwan ; et al.	2013-01-03
Heterocyclic Compound, Organic Light-emitting Diode Including The Heterocyclic Compound, And Flat Display Device Including The Organic Light-emitting Diode App 20130001527 - Han; Sang-Hyun ; et al.	2013-01-03
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20130001529 - Lim; Jin-O ; et al.	2013-01-03
Organic light emitting device Grant 8,344,365 - Kim , et al. January 1, 2	2013-01-01
Heterocyclic Compound And Organic Light-emitting Diode And Flat Display Device Including The Heterocyclic Compound App 20120326134 - KIM; Young-Kook ; et al.	2012-12-27
Heterocyclic Compound And Organic Light-emitting Diode And Flat Display Device Including The Heterocyclic Compound App 20120326135 - KIM; Young-Kook ; et al.	2012-12-27
Organic light emitting device Grant 8,338,000 - Kwak , et al. December 25, 2	2012-12-25
Condensed-cyclic Compound And Organic Light Emitting Diode Comprising The Same App 20120319086 - Lee; Sun-Young ; et al.	2012-12-20
Heterocyclic Compound And Organic Light-emitting Device Containing Same App 20120319087 - Lee; Sun-Young ; et al.	2012-12-20
Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound Grant 8,334,060 - Hwang , et al. December 18, 2	2012-12-18
Heterocyclic compound, organic light-emitting device including the heterocyclic compound, and flat display device including the organic light-emitting device App 20120292603 - Kwak; Yoon-Hyun ; et al.	2012-11-22
Organic Light-emitting Device App 20120267613 - Lim; Jin-O ; et al.	2012-10-25
Fluorene-containing compound and organic light emitting device employing the same Grant 8,288,014 - Hwang , et al. October 16, 2	2012-10-16
Heteroarylamine compound and organic light-emitting device including the same Grant 8,283,057 - Kim , et al. October 9, 2	2012-10-09
Organic Light Emitting Device And Flat Panel Display Device Comprising The Same App 20120211733 - Hwang; Seok-Hwan ; et al.	2012-08-23
Heterocyclic compound and organic electroluminescent device comprising the same Grant 8,247,090 - Hwang , et al. August 21, 2	2012-08-21
Organic light-emitting device Grant 8,203,141 - Kim , et al. June 19, 2	2012-06-19
Organic light emitting device and flat panel display device comprising the same Grant 8,188,315 - Hwang , et al. May 29, 2	2012-05-29
Organic Light-emitting Device App 20120097924 - KIM; Young-Kook ; et al.	2012-04-26
Condensed-cyclic Compound, Organic Light-emitting Diode Comprising The Same And Flat Panel Display Device Comprising The Organic Light-emitting Diode App 20120097932 - Kim; Young-Kook ; et al.	2012-04-26
Organic Light-emitting Device App 20120097925 - KIM; Young-Kook ; et al.	2012-04-26
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20120097929 - Kim; Young-Kook ; et al.	2012-04-26
Organic Light-emitting Device App 20120012826 - KIM; Young-Kook ; et al.	2012-01-19
Organic Light-emitting Device App 20110309348 - KWAK; Yoon-Hyun ; et al.	2011-12-22
Organic Light-emitting Device App 20110297919 - KWAK; Yoon-Hyun ; et al.	2011-12-08
Heterocyclic compound and organic light emitting device comprising the same Grant 8,057,920 - Hwang , et al. November 15, 2	2011-11-15
Silicon-containing compound and organic electroluminescent device employing the same Grant 8,053,768 - Hwang , et al. November 8, 2	2011-11-08
Full-color electroluminescent display device with multiple emission layers and method of fabricating the same Grant 8,044,577 - Hwang , et al. October 25, 2	2011-10-25
Silanylamine-based compound and organic light emitting diode Grant 8,043,726 - Hwang , et al. October 25, 2	2011-10-25
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20110240978 - LIM; Jin-O ; et al.	2011-10-06
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20110240977 - JUNG; Hye-Jin ; et al.	2011-10-06
Phenylcarbazole-based compound and organic electroluminescent device employing the same Grant 8,021,765 - Hwang , et al. September 20, 2	2011-09-20
Phenylcarbazole-based compound and organic electroluminescent device employing the same Grant 8,021,764 - Hwang , et al. September 20, 2	2011-09-20
Biofilm Reactor Containing Spiral Structure and Water Treatment Device Using the Same App 20110163028 - Hwang; Seok Hwan ; et al.	2011-07-07
Silanylamine-based compound, method of preparing the same and organic light emitting device including organic layer comprising the silanylamine-based compound Grant 7,927,719 - Hwang , et al. April 19, 2	2011-04-19
Organic Light Emitting Device App 20110057175 - Kim; Young-Kook ; et al.	2011-03-10
Organic Light Emitting Device App 20110057177 - Kim; Young-Kook ; et al.	2011-03-10
Organic Light-emitting Device App 20110049486 - Kwak; Yoon-Hyun ; et al.	2011-03-03
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20110049488 - Kim; Young-Kook ; et al.	2011-03-03
Heteroarylamine Compound And Organic Light-emitting Device Including The Same App 20110049484 - Kim; Young-Kook ; et al.	2011-03-03
Heterocyclic Compound And Organic Light-emitting Device Including The Same App 20110049490 - Kim; Young-Kook ; et al.	2011-03-03
Heteroarylamine Compound And Organic Luminescence Device Using The Same App 20110049487 - Kim; Young-Kook ; et al.	2011-03-03
Heteroarylamine Compound And Organic Light-emitting Device Including The Same App 20110049494 - Kim; Young-Kook ; et al.	2011-03-03
Organic Light-emitting Device App 20110049485 - Kim; Young-Kook ; et al.	2011-03-03
Organic Light Emitting Device App 20110037060 - Kim; Young-Kook ; et al.	2011-02-17
Organic Light Emitting Device App 20110031485 - Kwak; Yoon-Hyun ; et al.	2011-02-10
Organic Light Emitting Device App 20110031483 - Kwak; Yoon-Hyun ; et al.	2011-02-10
Fluorine-containing compound and organic light-emitting device employing the same Grant 7,867,631 - Kim , et al. January 11, 2	2011-01-11
Heterocyclic compound and an organic light emitting device comprising the same Grant 7,846,559 - Hwang , et al. December 7, 2	2010-12-07
Carbazole-based compound and organic light-emitting device including organic layer including the carbazole-based compound Grant 7,816,021 - Kim , et al. October 19, 2	2010-10-19
Silanylamine-based compound and organic light-emitting device including organic layer including the silanylamine-based compound Grant 7,754,349 - Kwak , et al. July 13, 2	2010-07-13
Fluorene-based compound and organic electroluminescent display device using the same Grant 7,737,627 - Hwang , et al. June 15, 2	2010-06-15
Triazine-based compound, method of making the same, and an organic light-emitting device including the same Grant 7,732,598 - Shin , et al. June 8, 2	2010-06-08
Fluorene-containing Compound And Organic Light Emitting Device Employing The Same App 20100051924 - HWANG; Seok-Hwan ; et al.	2010-03-04
Silicon-containing compound and organic electroluminescent device employing the same App 20100051914 - Hwang; Seok-Hwan ; et al.	2010-03-04
Heterocyclic Compound And Organic Electroluminescent Device Comprising The Same App 20100033088 - Hwang; Seok-Hwan ; et al.	2010-02-11
Amine-based Compound, Organic Light Emitting Device Comprising The Amine-based Compound, And Flat Panel Display Device Including The Organic Light Emitting Device App 20100025669 - Hwang; Seok-Hwan ; et al.	2010-02-04
Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound App 20090278451 - Hwang; Seok-Hwan ; et al.	2009-11-12
Ir compound and organic electroluminescent device using the same Grant 7,585,573 - Lee , et al. September 8, 2	2009-09-08
Difluoropyridine-based compound and organic electroluminescent device using the same Grant 7,582,366 - Hwang , et al. September 1, 2	2009-09-01
Silanylamine-based compound and organic light emitting diode App 20090206745 - Hwang; Seok-Hwan ; et al.	2009-08-20
Compound For Forming Organic Film, And Organic Light Emitting Device And Flat Panel Display Device Including The Same App 20090200928 - Hwang; Seok-Hwan ; et al.	2009-08-13
Heterocyclic compound and organic light emitting device comprising the same App 20090146555 - Hwang; Seok-Hwan ; et al.	2009-06-11
Heterocyclic compound and an organic light emitting device comprising the same App 20090128013 - Hwang; Seok-Hwan ; et al.	2009-05-21
System and method for measuring liquid level by image App 20090107234 - Kim; Won ; et al.	2009-04-30
Organic Light Emitting Diode And Flat Panel Device Including The Same App 20080286606 - Hwang; Seok-Hwan ; et al.	2008-11-20
Phenylcarbazole compounds and organic electroluminescence devices using the same Grant 7,431,997 - Hwang , et al. October 7, 2	2008-10-07
4,4'-Bis(carbazol-9-yl)-biphenyl based silicone compound and organic electroluminescent device using the same Grant 7,413,817 - Lee , et al. August 19, 2	2008-08-19
Carbazole-based Compound And Organic Light-emitting Device Including Organic Layer Including The Carbazole-based Compound App 20080174237 - KIM; Young-Kook ; et al.	2008-07-24
Silanylamine-based Compound And Organic Light-emitting Device Including Organic Layer Including The Silanylamine-based Compound App 20080171227 - KWAK; YOON-HYUN ; et al.	2008-07-17
Fluorine-containing Compound And Organic Light-emitting Device Employing The Same App 20080169755 - KIM; YOUNG-KOOK ; et al.	2008-07-17
Silanylamine-based Compound, Method Of Preparing The Same And Organic Light Emitting Device Including Organic Layer Comprising The Silanylamine-based Compound App 20080106188 - Hwang; Seok-Hwan ; et al.	2008-05-08
Phenylcarbazole-based compound and organic electroluminescent device employing the same App 20080107919 - Hwang; Seok-Hwan ; et al.	2008-05-08
Imidazole ring-containing compound and organic electroluminescence display device Grant 7,351,481 - Lee , et al. April 1, 2	2008-04-01
Organic light emitting device and flat panel display device comprising the same App 20070231503 - Hwang; Seok--Hwan ; et al.	2007-10-04
Full-color electroluminescent display device and method of fabricating the same App 20070120453 - Hwang; Seok-Hwan ; et al.	2007-05-31
Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound App 20070018571 - Hwang; Seok-Hwan ; et al.	2007-01-25
Difluoropyridine-based compound and organic electroluminescent device using the same App 20070015003 - Hwang; Seok-Hwan ; et al.	2007-01-18
Triazine-based compound, method of making the same, and an organic light-emitting device including the same App 20070015007 - Shin; Jung-Han ; et al.	2007-01-18
Triarylamine-based compound for organic electroluminescent device and organic electroluminescent device employing the same App 20060134463 - Hwang; Seok-Hwan ; et al.	2006-06-22
Phenylcarbazole-based compound and organic electroluminescent device employing the same App 20060115680 - Hwang; Seok-Hwan ; et al.	2006-06-01
Phenylcarbazole compounds and organic electroluminescence devices using the same App 20060020136 - Hwang; Seok-Hwan ; et al.	2006-01-26
Iridium compound and organic electroluminescent device using the same App 20050287394 - Yang, Seung-Gak ; et al.	2005-12-29
Fluorene-based compound and organic electroluminescent display device using the same App 20050221124 - Hwang, Seok-Hwan ; et al.	2005-10-06
Deflection yoke for correcting misconvergence App 20050174035 - Hwang, Seok-Hwan ; et al.	2005-08-11
Ir compound and organic electroluminescent device using the same App 20050170209 - Lee, Seok-Jong ; et al.	2005-08-04
Winding frame and deflection yoke Grant 6,911,885 - Kim , et al. June 28, 2	2005-06-28
Imidazole ring-containing compound and organic electroluminescence display device App 20050079387 - Lee, Seok-Jong ; et al.	2005-04-14
Imidazole ring-containing compound and organic electroluminescence display device App 20050074632 - Lee, Seok-Jong ; et al.	2005-04-07
4,4'-Bis(carbazol-9-yl)-biphenyl based silicone compound and organic electroluminescent device using the same App 20050064238 - Lee, Seok Jong ; et al.	2005-03-24
Deflection yoke App 20040000858 - Hwang, Seok Hwan ; et al.	2004-01-01
Winding frame and deflection yoke App 20030122642 - Kim, Gyoung Su ; et al.	2003-07-03