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:
Apr. 09, 2024

Filed:

Aug. 15, 2022
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Heerim Song, Seoul, KR;

Heejean Park, Suwon-si, KR;

Yujin Lee, Suwon-si, KR;

Cheol-Gon Lee, Suwon-si, KR;

Mukyung Jeon, Ulsan, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); H10K 59/13 (2023.01); H10K 59/60 (2023.01); H10K 59/65 (2023.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0291 (2013.01); G09G 2354/00 (2013.01); G09G 2360/144 (2013.01); G09G 2360/148 (2013.01); H10K 59/13 (2023.02); H10K 59/60 (2023.02); H10K 59/65 (2023.02);
Abstract

A display device includes: a pixel driving circuit configured to drive the light emitting elements of pixels; and sensors including a light sensing element and a sensor driving circuit connected with the light sensing element and configured to output a sensing signal corresponding to a light, the sensor driving circuit including: a reset transistor including a first electrode configured to receive a reset signal, a second electrode connected with a first sensing node, and a third electrode configured to receive a reset control signal; an amplification transistor including a first electrode configured to receive a sensing driving voltage, a second electrode connected with a second sensing node, and a third electrode connected with the first sensing node; and an output transistor including a first electrode connected with the second sensing node, a second electrode connected with a sensing line, and a third electrode configured to receive an output control signal.


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