logo

For the Inventor, By the Inventor

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 8848135 B1

PDFFull Text
Date of Patent:
Sep. 30, 2014

Filed:

Feb. 29, 2012

Liquid crystal display device

Applicant:

Nobuyuki Koganezawa, Chiba, JP;

Inventor:

Nobuyuki Koganezawa, Chiba, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:

Antonelli, Terry, Stout & Kraus, LLP.

Primary Examiner:

Bumsuk Won

Assistant Examiner:

Angela Davison

Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/1333 (2006.01); H04N 3/14 (2006.01); G09F 13/04 (2006.01); F21V 7/04 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); G02B 6/0016 (2013.01); G02B 6/0068 (2013.01); G02F 2201/56 (2013.01); G02B 6/002 (2013.01); G02F 1/133611 (2013.01);
Abstract

The liquid crystal display device has a liquid crystal display panel, a backlight for illuminating the liquid crystal display panel where the outer shape of the backlight in a plane has at least one corner of which the angle is greater than 90°, and a light guide plate LG having approximately the same form as the outer shape of the backlight, wherein a number of light emitting diodes are aligned along two sides (s, s) of the light guide plate LG that form a corner A of which the angle is greater than 90°, and the main light for illumination (Lto L, Land L) from the light emitting diodes aligned along the two sides propagates through the light guide plate LG in the same direction.

Find Patent Forward Citations

Koganezawa, Nobuyuki. (2014). Liquid crystal display device (U.S. Patent No. 8848135). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8848135

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

Loading…