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.

Date of Patent:
Feb. 18, 2020

Filed:

Feb. 23, 2015
Applicant:

Toppan Printing Co., Ltd., Taito-ku, JP;

Inventors:

Kazushige Kitazawa, Taito-ku, JP;

Tomoko Tsuruda, Taito-ku, JP;

Yohei Nishikawa, Taito-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/167 (2019.01); G02F 1/1335 (2006.01); G02F 1/1676 (2019.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); G02F 1/133516 (2013.01); G02F 1/1676 (2019.01);
Abstract

A reflection-type display panel includes a substrate, a pixel electrode formed on the substrate, a reflection display layer formed on the pixel electrode, a transparent electrode formed on the reflection display layer, and a color filter formed on the transparent electrode and including an ink fixation layer. The color filter has colored portions formed on the ink fixation layer such that the colored portions correspond respectively to driving units of the pixel electrode, and the colored portions each include a coloring composition including a pigment and a binder resin such that a weight ratio of the pigment to the binder resin in each of the colored portions is in a range of from 1:9 to 5:5.


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