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:
Nov. 19, 2024
Filed:
Jun. 16, 2022
Applicant:
Hanwang Technology Co., Ltd., Beijing, CN;
Inventors:
Assignee:
Hanwang Technology Co., Ltd., Beijing, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/137 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01); G02F 1/1368 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13718 (2013.01); G02F 1/133514 (2013.01); G02F 1/133531 (2021.01); G02F 1/133742 (2021.01); G02F 1/133753 (2013.01); G02F 1/1368 (2013.01);
Abstract
The present invention relates to a TFT liquid crystal display, more specifically, to a cholesteric liquid crystal display employing both field-induced nematic vertical alignment texture and field-induced eddy alignment texture as video astable states and cholesteric planer texture and focal conic texture as power-free bistable states. Thus, the display provides not only video speed motion pictures with unlimited grayscale but also excellent static images.