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. 09, 2013
Filed:
Jan. 06, 2009
Jong-man Kim, Ansan-si, KR;
Sung-dae Cho, Yongin-si, KR;
Min-kyu Park, Seoul, KR;
Yun-je OH, Yongin-si, KR;
Jong-Man Kim, Ansan-si, KR;
Sung-Dae Cho, Yongin-si, KR;
Min-Kyu Park, Seoul, KR;
Yun-Je Oh, Yongin-si, KR;
Samsung Electronics Co., Ltd., Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A screen display apparatus and method of measuring an ambient brightness by adjusting color quality of an output screen in a mobile terminal according to the ambient brightness, so that the visibility of the screen can be ensured in various environments. The includes measuring an ambient brightness of the mobile terminal, and generating a visibility adjustment event when a measured ambient brightness value is equal to or greater than a preset specific external brightness value. The received RGB signal is converted into first tristimulus values, then to L, a, b color space valueslightness (L), chroma (C), and hue (H) values using a predetermined equation. The brightness of an entire region of the image is adjusted and output on the display screen of the mobile terminal, and the chroma of each pixel region is adjusted by using the L, C, and H values.