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. 30, 2021
Filed:
Nov. 28, 2018
Sharp Kabushiki Kaisha, Sakai, JP;
Yuichi Kawahira, Sakai, JP;
Kiyoshi Minoura, Sakai, JP;
Akira Sakai, Sakai, JP;
Takako Koide, Sakai, JP;
Masahiro Hasegawa, Sakai, JP;
Koji Murata, Sakai, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
The liquid crystal display panel includes in the following order from a viewing surface side to a back surface side: a first polarizer; a first λ/4 retardation layer; a first substrate; a second λ/4 retardation layer; a liquid crystal layer; a second substrate; and a second polarizer, the liquid crystal display panel being in a transverse electric field mode, the first substrate including a color filter layer in a display region, the second λ/4 retardation layer being a single layer covering the color filter layer and including a first retardation portion in an end region of the display region and a second retardation portion in a central region of the display region, the first retardation portion having a greater thickness than the second retardation portion, and the first retardation portion and the second retardation portion differing from each other in in-plane retardation by 10 nm or less.