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:
Jun. 09, 2020
Filed:
Feb. 22, 2017
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Yasuhiro Koike, Yokohama-shi, Kanagawa, JP;
Takashi Kuroda, Tokyo, JP;
Yasuhiro Koike, Yokohama, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Other;
Abstract
There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a display element, and a polarizer a and an optical film X on a surface on a light emitting surface side of the display element, wherein L, which is the light incident vertically on the optical film X, among light incident on the optical film X from the display element side, satisfies a specific condition, and L, which is the light emitting vertically from the light emitting surface side of the optical film X, and passing through a polarizer b having the absorption axis parallel to the absorption axis of the polarizer a, satisfies a specific condition.