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Display device, driving device of display device, and driving device of light source for display device

A display device and display panel technology, applied in optics, nonlinear optics, static indicators, etc., can solve problems such as increased data volume, increased power consumption, and reduced charging voltage usage time

Inactive Publication Date: 2008-11-12
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different functions and services provided on it, the amount of data to be processed has increased and the power consumption has increased, so the usage time of the charging voltage has gradually decreased
However, increasing the capacity of a power supply is difficult as products need to be minimized in terms of size and weight

Method used

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  • Display device, driving device of display device, and driving device of light source for display device
  • Display device, driving device of display device, and driving device of light source for display device
  • Display device, driving device of display device, and driving device of light source for display device

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Embodiment Construction

[0066] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown.

[0067] In the drawings, the thicknesses of layers and regions are exaggerated for clarity. The same reference numerals are used to refer to the same elements throughout. It will be readily understood that when an element such as a layer, film, region, substrate or panel is "on" another element, it can be directly on the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present.

[0068] With reference to the accompanying drawings, a display device, a driving method of the display device, and a driving device of a light source for the display device according to embodiments of the present invention will be described.

[0069] refer to Figure 1 to Figure 6 , a liquid crystal dis...

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PUM

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Abstract

A display device is provided. The display device includes a main display panel, a sub-display panel, and a plurality of lamps simultaneously supplying light to the first and second display panels; an openness sensing unit in which an output signal is defined based on a degree of openness of the display device; and a lamp controlling unit selecting one of the display panels based on the output signal from the openness sensing unit and defining the number of lamps to be turned on based on the selected display panel, and supplying the light to the main and sub-display panels by lighting the defined number of lamps. In one embodiment, the display device is a display device for a mobile phone, and the lamps are light emitting diodes. Accordingly, the number of lamps to be turned on is varied based on the selected display panel, and consumption power therefore decreases.

Description

technical field [0001] The present invention relates to a display device, a drive device for the display device, and a drive device for a light source used in the display device. Background technique [0002] A plasma display panel (PDP) is a device that displays characters or images using plasma generated by gas discharge, and an organic light-emitting display (OLED) is a device that uses electroluminescence to display characters or images. A liquid crystal display (LCD) is a device that displays desired images by applying an electric field to a liquid crystal layer between two panels, and adjusting the strength of the electric field to adjust the transmittance of light passing through the liquid crystal layer. [0003] A display device having display panels respectively disposed inside and outside and mainly used in a mobile phone, hereinafter referred to as a "dual display device", is developing into a medium / small size display device. [0004] The dual display device in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13G02F1/133G09G3/36
CPCG02F1/1336G02F1/13452G09G3/3406G09G2320/0626G02F1/133342
Inventor 金在光李相熙
Owner SAMSUNG ELECTRONICS CO LTD