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Display device and apparatus for driving the same

A technology for display devices and display panels, applied to static indicators, instruments, layered products, etc., can solve the problems of reducing the image display quality of SPVA-type LCD devices, reducing the white brightness of LCD devices, reducing white brightness, etc.

Inactive Publication Date: 2006-07-26
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the sub-pixels are driven by a lower voltage than driving the main pixel portion, and thus, the sub-pixel portion has lower light transmittance than the main pixel portion, thereby reducing the white luminance of the LCD device.
Although the conventional SPVA-type LCD device widens the viewing angle, it reduces the white brightness, thereby degrading the image display quality of the SPVA-type LCD device

Method used

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  • Display device and apparatus for driving the same
  • Display device and apparatus for driving the same
  • Display device and apparatus for driving the same

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Embodiment Construction

[0026] The present invention will now be described more fully with reference to the accompanying drawings, in which embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals refer to like elements throughout.

[0027] It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may be present. In contrast, when an element is shown as being directly on another element, there are no intervening elements present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0028] It should be understood that although th...

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Abstract

A display device includes a display panel and a voltage generating part. The display panel includes a switching element, a main pixel section, a coupling capacitor and a sub pixel section. The main pixel section is electrically connected to the switching element. The coupling capacitor has a first end electrically connected to the switching element. The sub pixel section is electrically connected to a second end of the coupling capacitor. The voltage generating part controls data voltages corresponding to a gray-scale in a range from a low gray-scale to a high gray-scale that corresponds to a saturation voltage of the sub pixel section for displaying an image.

Description

technical field [0001] The invention relates to a display device and a driving device thereof. More specifically, the present invention relates to a display device with improved viewing angle and a driving device thereof. Background technique [0002] Generally, a liquid crystal display (LCD) device includes two substrates and a liquid crystal layer between the substrates. In an LCD device, generally, liquid crystal molecules of a liquid crystal layer change their alignment in response to an electric field applied to the liquid crystal layer, thereby changing light transmittance of the liquid crystal layer to display images. The substrates include an array substrate (or thin film transistor (TFT) substrate) and a color filter substrate. The array substrate includes a plurality of switch-pixel TFTs, and the color filter substrate includes a common electrode. [0003] LCD devices display images by transmitting light passing through liquid crystals w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/20G02F1/133
CPCG09G2300/0443G09G2360/16G09G2300/0809G02F2203/30G02F1/136213G02F2001/134354G09G2320/028G09G3/2011G09G2340/145G09G3/3696G09G2300/0447G09G3/3648G02F1/134354B32B5/022B32B27/12B32B27/20B32B27/306B32B27/32B32B2307/102B32B2307/304
Inventor 李应相金秉奭
Owner SAMSUNG ELECTRONICS CO LTD