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:
Aug. 27, 2024

Filed:

Jul. 29, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Shinya Igarashi, Kanagawa, JP;

Hiromasa Tsuboi, Tokyo, JP;

Masahiko Mizoguchi, Kanagawa, JP;

Tetsuro Yamamoto, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); F21S 43/145 (2018.01); H05B 45/60 (2022.01);
U.S. Cl.
CPC ...
H05B 45/60 (2020.01); F21S 43/145 (2018.01); G09G 3/3233 (2013.01); G09G 2300/0814 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01); G09G 2330/10 (2013.01);
Abstract

A light emitting device includes pixel circuits arranged to form rows and columns and each including a light emitting element, signal lines each extending in a column direction and configured to supply a pixel signal to the pixel circuits, row selection lines each extending in a row direction and configured to supply a row selection signal to the pixel circuits, and column selection lines each extending in the column direction and configured to supply a column selection signal to the pixel circuits. At least one of the pixel circuits includes a light emission control circuit configured to allow the light emitting element of a pixel circuit indicated by the row selection signal and the column selection signal to emit light in a brightness according to the pixel signal that is being supplied to the pixel circuit.


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