The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2003
Filed:
Jun. 28, 2001
Applicant:
Inventors:
Yi-Chun Wu, Hua-Lien, TW;
Shin-Tson Wu, Northridge, CA (US);
Assignee:
Wintek Corporation, Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ; C09K 1/902 ;
U.S. Cl.
CPC ...
G02F 1/1335 ; C09K 1/902 ;
Abstract
A high contrast ratio reflective STN LCD structure including an glass substrate panel, a liquid crystal layer and a lower glass substrate panel. The upper glass substrate panel includes only one optical deflector. The phase compensating film disposed under the optical deflector has a quarter of wavelength. The liquid crystal molecules of the liquid crystal layer have torsion angle within 180° to 210°. The retardation value of the liquid crystal molecules is within 580 nm to 650 nm.