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. 06, 2015
Filed:
Mar. 14, 2013
Samsung Display Co., Ltd., Yongin, Gyeonggi-do, KR;
Seung-Kyun Hong, Yongin, KR;
So-Young Park, Yongin, KR;
Samsung Display Co., Ltd., Gyeonggi-do, KR;
Abstract
An apparatus for generating a gray scale voltage in an organic light emitting display device is disclosed. In one aspect, the apparatus includes a gamma reference voltage generator, a gray scale voltage output unit and a gray scale voltage selector. The gamma reference voltage generator outputs a gamma reference voltage. The gray scale voltage output unit outputs N first gray scale voltages, based on the gamma reference voltage. The gray scale voltage selector has a lookup table in which voltage values respectively corresponding M reference gray scales are previously set, and outputs second gray scale voltages by selecting M of the N first gray scale voltages.
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