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.:
Date of Patent:
Oct. 10, 2023
Filed:
Jun. 03, 2019
Lg Display Co., Ltd., Seoul, KR;
Industry-university Cooperation Foundation Hanyang University, Seoul, KR;
Byong Deok Choi, Seoul, KR;
Yong Sang Yoo, Seoul, KR;
Yong Duck Kim, Seoul, KR;
Jeongmin Moon, Paju-si, KR;
Soonshin Jung, Paju-si, KR;
Moonbong Song, Paju-si, KR;
Kiseok Chang, Paju-si, KR;
Jihwan Jung, Paju-si, KR;
LG Display Co., Ltd., Seoul, KR;
Industry-University Cooperation Foundation Hanyang University, Seoul, KR;
Abstract
Disclosed are a pixel circuit comprising an optical fingerprint sensing circuit, a method of driving a pixel circuit comprising an optical fingerprint sensing circuit, and a display device comprising a pixel circuit comprising an optical fingerprint sensing circuit. According to the present disclosure, the pixel circuit comprising an optical fingerprint sensing circuit comprises a pixel control circuit, the pixel control circuit comprising: a first photodetector which receives a light and generates a first signal; a second photodetector which receives a light and generates a second signal; and a self-illuminator which receives differential signals of the first signal and second signal and outputs an output signal, includes at least one transistor component and at least one capacitor component, and outputs a light on the basis of a data signal.