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:
Apr. 28, 2015
Filed:
Sep. 21, 2011
Kwang-sae Lee, Yongin, KR;
Kwang-Sae Lee, Yongin, KR;
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Abstract
Embodiments may be directed to a gradation voltage generator and a display device having the same. The display device may include a gradation voltage generator including a first reference voltage selecting unit, which selects a highest reference voltage, a second highest reference voltage, a lowest reference voltage, and a second lowest reference voltage from among a plurality of first voltages between a first power voltage and a second power voltage; a second reference voltage selecting unit, which receives the highest reference voltage and the lowest reference voltage and selects and outputs a first gradation voltage and a N−1th gradation voltage; a gamma voltage selecting unit, which receives the second highest reference voltage and the second lowest reference voltage and generates a plurality of gamma voltages; and a gradation distributing unit, which receives the plurality of gamma voltages and generates second through N−1th gradation voltages.
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