Invention Grant
US07679626B2 Drive control device for a display apparatus, video image display apparatus and method of controlling the driving of the video image display apparatus
失效
用于显示装置的驱动控制装置，视频图像显示装置和控制视频显示装置的驱动的方法
- Patent Title: Drive control device for a display apparatus, video image display apparatus and method of controlling the driving of the video image display apparatus
- Patent Title (中): 用于显示装置的驱动控制装置，视频图像显示装置和控制视频显示装置的驱动的方法
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Application No.: US10207139Application Date: 2002-07-30
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Publication No.: US07679626B2Publication Date: 2010-03-16
- Inventor: Makiko Mori
- Applicant: Makiko Mori
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2001-234137 20010801
- Main IPC: G09G5/10
- IPC: G09G5/10
Abstract:
In a drive control device 30 for controlling the driving of a display apparatus 20 that displays a video image on the basis of an input video image signal S1 (or S2), there is provided brightness control means (33, 21, 7) for controlling a display brightness in the display apparatus 20 in accordance with brightness information S6 corresponding to the mean brightness of the video image, and the brightness control means (33, 21, 7) performs a control operation so that the display brightness of the video image display variably changes a plurality of times within respective one-frame scanning periods of the video image display.
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