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Apparatus and method for adjusting display-related setting of an electronic device

A technology for electronic devices and displays, applied to parts of color TVs, parts of TV systems, TVs, etc., can solve problems such as inability to determine multimedia data correction, lack of flexibility, etc.

Inactive Publication Date: 2007-07-04
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, images or videos may be viewed in environments with different brightness levels, so using the same gamma curve for correction would lack flexibility and make it impossible to determine whether multimedia data is properly corrected

Method used

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  • Apparatus and method for adjusting display-related setting of an electronic device
  • Apparatus and method for adjusting display-related setting of an electronic device
  • Apparatus and method for adjusting display-related setting of an electronic device

Examples

Experimental program
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no. 1 example

[0064] Please refer to FIG. 1 , which shows a block diagram of an electronic device 100 according to a first preferred embodiment of the present invention. The electronic device 100 , such as a mobile phone or a PDA, includes a liquid crystal display (hereinafter referred to as LCD) 110 and a display-related setting adjustment device, such as a brightness control device 120 for adjusting the brightness of the LCD 110 . The LCD 110 includes a light source module (lighting module) 112 for providing the light source required by the LCD 110 . According to the kind of LCD 110, the light source module 112 may be a backlight or a front light module. When the LCD 110 is a transmissive or transflective LCD, the light source module 112 uses a backlight module. When the LCD 110 is a reflective LCD, the light source module 112 uses a front light module.

[0065] The brightness control device 120 includes an image sensor 122 , an image signal processor (ISP) 124 and a determination eleme...

no. 2 example

[0074] Please refer to FIG. 5 , which shows a block diagram of an electronic device 200 according to a second embodiment of the present invention. The electronic device 200 is, for example, a mobile phone or a PDA, which includes an LCD 210 , a decoder 220 and a display-related setting adjustment device, such as a brightness compensation device 230 . The decoder 220 is used to decode the multimedia files stored in the electronic device 200, and output the corresponding decoded multimedia data Dm.

[0075] The multimedia file may be an image file or a video file, and thus the decoder 220 may be a corresponding JPEG (Joint Photographic Experts Group) decoder or MPEG (Moving Picture Experts Group) decoder. The brightness compensation device 230 is used for compensating the pixel brightness value of the decoded multimedia data Dm according to the ambient brightness, and outputting the compensated multimedia data Dc to the LCD 210 . The LCD displays images or videos corresponding ...

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Abstract

An apparatus and method for adjusting display-related setting of an electronic device are disclosed. The apparatus includes an image sensing device, an image signal processing unit, and a determination device. The image sensing device is for capturing a number of images according to a number of exposure time values and outputting image signals accordingly. The image signal processing unit is coupled to the image sensing device for processing the image signals and outputting a number of image luminance values accordingly. The processor is coupled to the image signal processing unit for adjusting the display-related setting of the electronic device according to the image luminance values and exposure time values.

Description

technical field [0001] The present invention relates to a device and method for adjusting display-related settings of an electronic device, and in particular to a device and method for adjusting display-related settings of an electronic device according to ambient brightness information. The ambient brightness information is obtained by processing the image captured by the image sensing element of the electronic device. Background technique [0002] For portable devices such as mobile phones and personal digital assistants, the backlight (or front light) module used to provide the light source of the liquid crystal display is usually set to a preset backlight brightness at the factory. When the user operates the portable device, the brightness of the liquid crystal display can be adjusted by increasing or decreasing the intensity of the backlight through the user interface (man-machine interface, MMI) according to the naked eye. Generally speaking, users seldom manually adj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B7/08H04N5/232
CPCG09G3/3406H04N5/2353G03B7/093G09G2320/064H04N5/202H04N5/23293G09G2360/145G09G2320/0673H04N5/58H04N21/4223H04N21/44008H04N21/41407H04N21/4318H04N23/63H04N23/73
Inventor 林彦宇高长荣邓淑文
Owner MEDIATEK INC