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:
Feb. 02, 2010
Filed:
Aug. 04, 2008
Joo-hyung Lee, Gwacheon-si, KR;
Dong-jin Jeong, Seoul, KR;
Man-seung Cho, Seoul, KR;
Soon-dong Kim, Osan-si, KR;
Jin-hee Lee, Hwaseong-si, KR;
Joo-hyung Lee, Gwacheon-si, KR;
Dong-jin Jeong, Seoul, KR;
Man-seung Cho, Seoul, KR;
Soon-dong Kim, Osan-si, KR;
Jin-hee Lee, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
There are provided a light sensor, a display apparatus including the same, and a control method thereof. The display apparatus includes: a display panel which includes a display area through which an image is displayed and a non-display area. A light receiving transistor which is formed in the non-display area and receives outside light. A charging part which includes a first terminal is connected to a drain electrode of the light receiving part and a second terminal is connected to a direct current voltage terminal. A signal amplifying part which includes a first terminal and a second terminal which is connected to a source of reference voltage and receives a reference voltage. A charging switching part is connected between the first input terminal and the first terminal of the charging part. A controller is provided which controls the charging switching part according to a predetermined first cycle to charge or discharge the charging part.