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:
Oct. 29, 2024

Filed:

Aug. 30, 2021
Applicants:

Beijing Boe Technology Development Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Tuo Sun, Beijing, CN;

Ying Zhou, Beijing, CN;

Yichi Zhang, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01); G09G 3/3233 (2016.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/32 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0439 (2013.01); G09G 2330/021 (2013.01); H10K 59/121 (2023.02); H10K 59/131 (2023.02);
Abstract

The pixel circuit includes a first driving circuit, a first light emitting device, a second light emitting device and a second driving circuit that are sequentially connected in series; first driving circuit includes a first driving transistor, a source electrode of first driving transistor is connected to a first power-supply terminal, and a drain electrode of first driving transistor is connected to a first electrode of first light emitting device; second driving circuit includes a second driving transistor, a source electrode of second driving transistor is connected to a second power-supply terminal, and a drain electrode of second driving transistor is connected to a first electrode of second light emitting device; a second electrode of first light emitting device is connected to a second electrode of second light emitting device; and a channel type of first driving transistor and a channel type of second driving transistor are different.


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