发明名称 |
Liquid crystal display device for displaying video data |
摘要 |
A liquid crystal display device for displaying video data having a detection circuit for detecting a luminance distribution based on video data which is inputted, the luminance distribution being indicative of generation frequency of gradations in each of divided region which includes a plurality of gradations. The display device includes a determination circuit for determining at least one of a plurality of divided regions of higher generation frequency of gradation than that of other divided regions based on the luminance distribution, a correction circuit for correcting the video data so as to make a luminance characteristic of the at least one of the plurality of divided regions of higher generation frequency of gradation more abrupt than a luminance characteristic of the other divided regions, and a liquid crystal display panel for displaying the corrected video data. A width of the divided region is changeable.
|
申请公布号 |
US7432897(B2) |
申请公布日期 |
2008.10.07 |
申请号 |
US20050038105 |
申请日期 |
2005.01.21 |
申请人 |
HITACHI, LTD.;HITACHI VIDEO AND INFORMATION SYSTEM, INC.;HITACHI MICROSOFTWARE SYSTEMS, INC. |
发明人 |
NISHITANI SHIGEYUKI;MAEDA TAKESHI;KAWABE KAZUYOSHI;KURIHARA HIROSHI;TAKAGI TETSUO;OHASHI TOSHIAKI |
分类号 |
G09G3/36;G09G3/20;G09G3/34;H04N5/66;H04N9/69 |
主分类号 |
G09G3/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|