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.:

US 8189144 B1

PDF
Full Text
Expired
Date of Patent:
May. 29, 2012

Filed:

Mar. 24, 2006
Applicants:

Tsuyoshi Ohyama, Tokyo, JP;

Masato Imai, Kanagawa, JP;

Kazuyuki Endo, Kanagawa, JP;

Inventors:

Tsuyoshi Ohyama, Tokyo, JP;

Masato Imai, Kanagawa, JP;

Kazuyuki Endo, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); C09K 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid crystal display includes a pair of substrates and a liquid crystal layer interposed between the substrates and has a reflective area and a transmissive area. At least one of the substrates is provided with a retardation film whose phase difference differs between the reflective area and the transmissive area. Alternatively, at least one of the substrates is provided with a retardation film whose slow axis differs between the reflective area and the transmissive area.


Find Patent Forward Citations

Ohyama, Tsuyoshi. (2012). Liquid crystal display having a patterned retardation film and method for manufacturing the same (U.S. Patent No. 8189144). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8189144

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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