Dynamic display control of a portable electronic device display

An electronic device and display controller technology, applied in the field of visibility, can solve the problems of invisible, invisible display information, and difficult navigation.

Inactive Publication Date: 2007-03-07
SONY ERICSSON MOBILE COMM AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in poor visibility conditions, when the displayed information is invisible or barely visible to the user due to ambient lighting conditions, this navigation can be very difficult

Method used

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  • Dynamic display control of a portable electronic device display
  • Dynamic display control of a portable electronic device display
  • Dynamic display control of a portable electronic device display

Examples

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Embodiment Construction

[0017] 1 illustrates a portable electronic device 100 of the present invention, such as a cellular telephone, laptop computer, MP3 player, CD player, digital camera, portable radio, calculator, personal data assistant, portable gaming system, DVD player, etc. . Portable electronic device 100 includes light detection electronics 110 , microprocessor 120 , input / output circuitry 122 , memory circuitry 130 , user interface 140 , and optional temperature detection electronics 170 .

[0018] Light detection electronics 110 , including light sensor 112 and light processor 114 , determine the measured ambient light associated with portable electronic device 100 . Light sensor 112 is any conventional light sensor device, such as a Charge Coupled Device (CCD) or Complementary Metal Oxide Semiconductor (CMOS), that captures light from the environment. Light processor 114 may be any conventional processor, such as a digital signal processor, programmed to process raw data captured by li...

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Abstract

A method and apparatus improves the visibility of information displayed on a portable electronic device display (142) under various ambient lighting conditions. The portable electronic device (100) measures ambient light associated with a display (142), and adjusts the display (142) based on the measured ambient light to improve visibility of displayed information. In the exemplary embodiment, light detection electronics (110) detect ambient light associated with the display (142). A light processor (114) processes the raw data to determine measured ambient light from the detected ambient light. A display controller (150) of the portable electronic device (100) adjusts the display (142) based on the measured ambient light. The exemplary display controller (150) may adjust the size of the displayed information, the backlight intensity of the display (142), or the display contrast based on the measured ambient light.

Description

technical field [0001] The present invention relates generally to portable electronic device displays, and more particularly, to the visibility of information displayed on portable electronic device displays. Background technique [0002] Portable electronic devices, such as cellular telephones, laptop computers, digital cameras, calculators, personal data assistants, etc., include displays for providing information to users. The information displayed can be as simple as the current time, or as detailed as images associated with photographs, computer games, or movies. [0003] In general, various display parameter settings, such as the size of displayed information, display contrast, display backlight intensity, etc., all affect the visibility of displayed information. However, the visibility of the displayed information also varies depending on the ambient lighting conditions. For example, in a bright environment, such as an outdoor environment, due to glare caused by amb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/00G09G3/20G09G3/34H04W88/02
CPCG09G2320/066G09G2320/08G09G2320/041G09G2320/0626G09G2320/0673G09G2340/0407G09G2320/0666G09G3/3406G09G2360/144G09G2340/14
Inventor W·M·马辛基维茨B·A·潘塔农T·E·罗杰斯
Owner SONY ERICSSON MOBILE COMM AB
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