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:
Feb. 05, 2008
Filed:
Feb. 18, 2005
Yasushi Kaneko, Sayama, JP;
Yasushi Kaneko, Sayama, JP;
Citizen Holdings Co., Ltd., Tokyo, JP;
Abstract
A liquid crystal display device according to the present invention comprises a first polarizer (), a second polarizer (), a liquid crystal cell () having a liquid crystal layer () provided between a first substrate () and a second substrate (), a transflective layer () having openings, a patterning phase retardation layer () having retardation in portions other than the portions where the openings of the transflective layer are formed, and an optical element () for compensating for an optical property of the liquid crystal layer. The display device thus constructed achieves a high-contrast bright transmissive display, and can also produce a reflective display utilizing an internal reflector type structure.