Invention Grant
- Patent Title: Display device and display control method
- Patent Title (中): 显示设备和显示控制方式
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Application No.: US13265763Application Date: 2010-04-09
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Publication No.: US08933975B2Publication Date: 2015-01-13
- Inventor: Hirokazu Nakanishi , Atsushi Nakanishi
- Applicant: Hirokazu Nakanishi , Atsushi Nakanishi
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2009-105987 20090424
- International Application: PCT/JP2010/002618 WO 20100409
- International Announcement: WO2010/122725 WO 20101028
- Main IPC: G06F5/10
- IPC: G06F5/10 ; G09G3/34

Abstract:
Provided is a display device capable of reducing a visually unpleasant sensation experienced by a user. This display device includes a display panel displaying a video picture, a backlight unit disposed on a back surface of the display panel and including a light sources for each region obtained by dividing the display panel into regions, a region characteristic amount detection unit detecting a characteristic amount of an image of each of the divided regions, a full screen characteristic amount detection unit detecting a characteristic amount of an image of the overall display panel, a region brightness determination unit determining an emission brightness of the respective light sources corresponding to each of the regions based on the detected characteristic amount, and the detected characteristic amount of the image of the overall display panel, and a backlight drive unit driving the respective light sources to emit light at the determined emission brightness.
Public/Granted literature
- US20120038694A1 DISPLAY DEVICE AND DISPLAY CONTROL METHOD Public/Granted day:2012-02-16
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