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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.

Patent No.:

US 12213369 B1

PDFFull Text
Date of Patent:
Jan. 28, 2025

Filed:

Jul. 03, 2023

Display panel and display devices with light detection circuits

Applicant:

Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;

Inventors:

Feng Lu, Shanghai, CN;

Yang Zeng, Shanghai, CN;

Yaodong Wu, Shanghai, CN;

Assignee:

Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai, CN;

Attorney:

CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC

Primary Examiner:

Jennifer D Bennett

Int. Cl.
CPC ...
H10K 59/60 (2023.01); G01J 1/04 (2006.01); G01J 1/42 (2006.01); G01J 1/44 (2006.01); G06V 40/12 (2022.01); G06V 40/13 (2022.01); G09G 3/32 (2016.01); H10K 39/34 (2023.01); H10K 59/35 (2023.01); H10K 59/38 (2023.01); H10K 59/65 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H10K 59/60 (2023.02); G01J 1/0488 (2013.01); G01J 1/4204 (2013.01); G01J 1/4228 (2013.01); G01J 1/44 (2013.01); G06V 40/1318 (2022.01); G06V 40/1341 (2022.01); H10K 39/34 (2023.02); H10K 59/35 (2023.02); G01J 2001/446 (2013.01); G09G 3/32 (2013.01); G09G 2360/144 (2013.01); H10K 59/38 (2023.02); H10K 59/65 (2023.02); H10K 59/8792 (2023.02);
Abstract

A display panel including light-sensing devices and light-detection circuits. The light-detection circuit includes a sensing module, a reading module, and a resetting module. The sensing module includes a control terminal electrically connected to the light-sensing device and the resetting module, an input terminal electrically connected to a first signal line, and an output terminal electrically connected to the reading module. Further, a first light-sensing device is electrically connected to the control terminal of the sensing module in a first light-detection circuit, and a second light-sensing device is electrically connected to the control terminal of the sensing module in a second light-detection circuit. The second light-detection circuit further includes a first capacitor, and the first capacitor is electrically connected to the control terminal of the sensing module in the second light-detection circuit.

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