He; Zhan

Patent Applications and Registrations

Patent applications and USPTO patent grants for He; Zhan.The latest application filed is for "electrically actuatable image combiner".

Company Profile

0.5.10

He; Zhan - Bedford Hills NY
He; Zhan - Chappaqua NY
He; Zhan - Akita JP

*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
Backlight units for liquid crystal displays Grant 7,148,513 - He , et al. December 12, 2	2006-12-12
Variable optical attenuator based on electrically switchable cholesteric liquid crystal reflective polarizers Grant 6,977,695 - Faris , et al. December 20, 2	2005-12-20
Electrically actuatable image combiner App 20050041297 - He, Zhan ; et al.	2005-02-24
Image display system and electrically actuatable image combiner therefor Grant 6,844,980 - He , et al. January 18, 2	2005-01-18
Polarized light sources and methods for making the same App 20040227458 - He, Zhan ; et al.	2004-11-18
Three-dimensional volumetric display App 20040212550 - He, Zhan	2004-10-28
Variable optical attenuator based on electrically switchable cholesteric liquid crystal reflective polarizers App 20040141120 - Faris, Sadeg M. ; et al.	2004-07-22
Polarized light sources and methods for making the same Grant 6,710,541 - He , et al. March 23, 2	2004-03-23
System and method for noise suppression in optical communication App 20040052533 - He, Zhan ; et al.	2004-03-18
Backlight units for liquid crystal displays App 20020196385 - He, Zhan ; et al.	2002-12-26
Image display system and electrically actuatable image combiner therefor App 20020171940 - He, Zhan ; et al.	2002-11-21
Polarization Independent Non-blocking All-optical Switching Device App 20020131143 - He, Zhan	2002-09-19
System and method for wavelength modulated free space optical communication App 20020089726 - He, Zhan ; et al.	2002-07-11
Polarized light sources and methods for making the same App 20020079831 - He, Zhan ; et al.	2002-06-27
Method of determining cell thickness and twist angle parameters of liquid crystal cell Grant 5,966,195 - Sato , et al. October 12, 1	1999-10-12

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