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:
Aug. 19, 2014
Filed:
Jul. 13, 2012
Teruhisa Nakagawa, Chiba, JP;
Yoshinori Aono, Ibaraki, JP;
Kentaro Ojima, Chiba, JP;
Panasonic Liquid Crystal Display Co., Ltd., Hyogo, JP;
Abstract
A color filter layer includes a first filter, a second filter, and a third filter of different colors. Further, the color filter layer includes a fourth filter of a color same as that of one of the three filters, and a black matrix partitioning the four filters. A hole is formed on the fourth filter. The hole extends in the direction along the first line portion of the black matrix, and the first line portion forms a part of the edge of the hole. With this structure, it is possible to prevent variation in the area ratio of a hole formed in the fourth sub-pixel for improving brightness in a liquid crystal display panel.