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Display control apparatus and display control method

A technology for display control and display equipment, applied to static indicators, instruments, etc., which can solve the problems of large deviation of display luminance, inability to provide display luminance, and deterioration of visibility

Inactive Publication Date: 2009-12-16
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, according to the technology disclosed in Japanese Patent No. 03986278, the larger the deviation between the desired display luminance and the current display luminance, the longer the period of time required to provide display luminance suitable for the surrounding illuminance
Therefore, when the user wants to check the display immediately after performing a certain operation, for example, to confirm a captured image with a digital camera, according to the conventional technology, appropriate display luminance cannot be provided, and thus visibility may be deteriorated.

Method used

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  • Display control apparatus and display control method
  • Display control apparatus and display control method

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Embodiment Construction

[0022] Various exemplary embodiments, features, and aspects of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] figure 1 is a block diagram showing the structure of the display device 17 according to an exemplary embodiment of the present invention. The display device 17 includes a digital camera, a mobile phone device, and the like that can display images. However, the present invention is not limited to these products and can be applied to various products having a display function.

[0024] The system control unit 1 includes a central processing unit for controlling the display device 17 . The power switch 2 can turn on / off the power of the display device 17 . The power supply unit 3 generates various power supplies for supplying power to the display device 17 . A battery 4 is connected to the power supply unit 3 . The display device 17 is of a portable type. Primary batteries such as alkaline batteries or n...

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Abstract

The invention relates to a display control apparatus and a display control method. The display control apparatus includes an external light detection unit configured to detect ambient brightness of a display apparatus, a variation detection unit configured to detect a variation of orientation of the display apparatus, and a control unit configured to adjust display luminance of the display apparatus according to the ambient brightness detected by the external light detection unit and the variation detected by the variation detection unit.

Description

technical field [0001] The present invention relates to a technique for adjusting display luminance of a screen of a display device according to ambient brightness. Background technique [0002] Currently, many portable display devices such as mobile phones, digital cameras, and music players are provided with displays for displaying menu screens and captured images. The visibility of these portable display devices greatly depends on the ambient brightness. For example, when the display luminance of a display device is kept constant, in a bright place outdoors, the display brightness is not enough and this may make it difficult to view the display, and in a dark place indoors, the display is too bright and this may make it difficult to view the display. Accordingly, the ability to adjust the display brightness of a display device in response to ambient brightness is more desirable. [0003] Japanese Patent Application Laid-Open No. 5-241512 discloses a technique of detecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/36
CPCG09G2330/021G09G2320/064G09G3/3406G09G2360/144G09G2320/0633
Inventor 盐崎智行
Owner CANON KK
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