Chang; Wei-Tien
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Wei-Tien.The latest application filed is for "laser projection system".
- Chang; Wei-Tien - Taichung N/A TW
- Chang; Wei-Tien - Hsinchu TW
- Chang; Wei-Tien - Hsin-Chu TW
- Chang; Wei-Tien - Taichung City TW
| Patent | Date |
|---|---|
| Touch panel and touch display device having the same Grant 9,477,349 - Wang , et al. October 25, 2 | 2016-10-25 |
| Light source and backlight module having the same Grant 9,057,806 - Ho , et al. June 16, 2 | 2015-06-16 |
| Laser projection system with security protection mechanism Grant 9,028,072 - Chang , et al. May 12, 2 | 2015-05-12 |
| Electronic writing system and operating method thereof Grant 9,019,246 - Chang , et al. April 28, 2 | 2015-04-28 |
| Backlight module with light guide plate having optically separated light guide body Grant 8,894,265 - Chang , et al. November 25, 2 | 2014-11-25 |
| Laser Projection System App 20140118703 - CHANG; Wei-Tien ; et al. | 2014-05-01 |
| Backlight module, light guide device, and method for manufacturing light guide plate Grant 8,696,188 - Chang , et al. April 15, 2 | 2014-04-15 |
| Laser Projection System With Security Protection Mechanism App 20140036235 - CHANG; Wei-Tien ; et al. | 2014-02-06 |
| Electronic Writing System And Operating Method Thereof App 20130127792 - Chang; Wei-Tien ; et al. | 2013-05-23 |
| LCD and light guide plate thereof Grant 8,405,797 - Chang , et al. March 26, 2 | 2013-03-26 |
| LCD and light guide plate thereof Grant 8,384,849 - Chang , et al. February 26, 2 | 2013-02-26 |
| LCD and Light Guide Plate Thereof App 20120229731 - Chang; Wei-Tien ; et al. | 2012-09-13 |
| LCD and Light Guide Plate Thereof App 20120224123 - Chang; Wei-Tien ; et al. | 2012-09-06 |
| Backlight Module with Local Dimming Capability App 20120170314 - Chang; Wei-Tien ; et al. | 2012-07-05 |
| Backlight Module, Light Guide Device, and Method for Manufacturing Light Guide Plate App 20120163033 - Chang; Wei-Tien ; et al. | 2012-06-28 |
| LCD and light guide plate thereof Grant 8,203,667 - Chang , et al. June 19, 2 | 2012-06-19 |
| Diffusion plate with at least one star diffusion structure and a lighting module using the same Grant 8,197,103 - Chang , et al. June 12, 2 | 2012-06-12 |
| Light Source And Backlight Module Having The Same App 20120113620 - Ho; Chen-Hung ; et al. | 2012-05-10 |
| Diffusion Plate with at Least One Star Diffusion Structure and a Lighting Module Using the Same App 20110157889 - Chang; Wei-Tien ; et al. | 2011-06-30 |
| Touch Panel And Touch Display Device Having The Same App 20110037730 - Wang; Chiung-Han ; et al. | 2011-02-17 |
| LCD and Light Guide Plate Thereof App 20100110338 - Chang; Wei-Tien ; et al. | 2010-05-06 |
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