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:
May. 31, 2022
Filed:
Nov. 23, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Yang Uk Nam, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
A display device includes pixels, and a power converter configured to receive a first power voltage and an external input voltage and provide a gamma voltage to a first output terminal. The power converter includes a target power voltage generator circuit configured to generate a target power voltage, a first gamma voltage generator circuit configured to generate a first gamma voltage, a second gamma voltage generator circuit configured to generate a second gamma voltage, a first gap controller configured to generate the second gamma voltage based on the first power voltage, a reference target power voltage, and a reference gamma voltage during a period in which a display mode, and a first selector configured to selectively output the first gamma voltage or the second gamma voltage according to the display mode.