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. 09, 2023

Filed:

Jul. 26, 2021
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Yuiga Hamade, Matsumoto, JP;

Takumi Kodama, Chino, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/12 (2006.01); H10K 59/121 (2023.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
G02B 27/126 (2013.01); H10K 59/1213 (2023.02); H01L 27/1222 (2013.01); H01L 27/1237 (2013.01);
Abstract

An image light generation device includes a first panel configured to emit a first image light including a blue wavelength region, a second panel configured to emit a second image light including a wavelength region different from the blue wavelength region, and a color combining prism configured to combine the first image light and the second image light. The first panel includes a plurality of first pixels, each of the plurality of first pixels includes a first light emitting element, and a first transistor provided corresponding to the first light emitting element, the second panel includes a plurality of second pixels, each of the plurality of second pixels includes a second light emitting element, and a second transistor provided corresponding to the second light emitting element, and a size of the first transistor is greater than a size of the second transistor.


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