Ubiquitously mountable image display system
US-2024103309-A1 · Mar 28, 2024 · US
Display device and display control method
US8933975B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8933975-B2 |
| Application number | US-201013265763-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 9, 2010 |
| Priority date | Apr 24, 2009 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Abstract
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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.
First claim
Opening claim text (preview).
The invention claimed is: 1. A display device, comprising: a display panel which displays an image; a backlight unit which is disposed on a back surface of the display panel, and which includes a plurality of light sources for each region obtained by dividing the display panel into a plurality of regions; a first detection unit which detects, for an image of each of the divided regions, an average value of brightness, a maximum value of brightness, and a color area of a specif…
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Physics · mapped topic
Physics · mapped topic
- G09G3/3426Primary
Physics · mapped topic
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Frequently asked questions
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- What does patent US8933975B2 cover?
- 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 …
- Who is the assignee on this patent?
- Nakanishi Hirokazu, Nakanishi Atsushi, Panasonic Ip Man Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G09G3/3426. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 13 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).