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:
May. 10, 2022

Filed:

Feb. 27, 2020
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Yuiga Hamade, Matsumoto, JP;

Hidetoshi Yamamoto, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); H01L 27/32 (2006.01); G03B 33/12 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 27/141 (2013.01); G02B 27/0172 (2013.01); G03B 33/12 (2013.01); H01L 27/3232 (2013.01); G02B 2027/0114 (2013.01); G02B 2027/0178 (2013.01);
Abstract

An image display device according to the present disclosure includes a first self-light-emitting display element that emits light for an image of red light, a second self-light-emitting display element that emits light for an image of blue light, a third self-light-emitting display element that emits light for an image of green light, and a prism having a dichroic mirror that synthesizes images of three colors, in which the first self-light-emitting display element, the second self-light-emitting display element, and the third self-light-emitting display element have a first cathode, a second cathode, and a third cathode, respectively, and when a film thickness of the first cathode is referred to as TR, a film thickness of the second cathode is referred to as TB, and a film thickness of the third cathode is referred to as TG, a relationship TR<TG is satisfied.


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