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:
Mar. 29, 2016
Filed:
Apr. 10, 2012
Yasushi Tomioka, Hitachinaka, JP;
Noboru Kunimatsu, Chiba, JP;
Takeshi Sato, Kokubunji, JP;
Masaki Matsumori, Tokai, JP;
Yasushi Tomioka, Hitachinaka, JP;
Noboru Kunimatsu, Chiba, JP;
Takeshi Sato, Kokubunji, JP;
Masaki Matsumori, Tokai, JP;
JAPAN DISPLAY INC., Tokyo, JP;
Abstract
An object of the present invention is to enhance transmissivity and the luminance of a screen in an IPS liquid crystal display device. To achieve the object, in the IPS liquid crystal display device according to the present invention, a counter electrode is formed flatly and solidly on an organic passivation film, a pixel electrode having a slit is formed on the counter electrode via an interlayer insulation film, and an alignment film the orientation of which is controlled by optical orientation is formed on the pixel electrode. The transmissivity is enhanced by also making the inside of the contact hole function as a transmissible area for image formation by applying optical orientation to the alignment film in the contact hole to result in enhancement of the luminance of the screen.