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Light guide plate and liquid crystal display having the same

A technology of liquid crystal display and liquid crystal display panel, applied in the field of liquid crystal display equipment, to achieve the effect of reducing the overall thickness, reducing light loss, and improving optical characteristics

Inactive Publication Date: 2005-09-28
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] Accordingly, the present invention solves one or more problems arising from disadvantages and disadvantages of the prior art

Method used

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  • Light guide plate and liquid crystal display having the same
  • Light guide plate and liquid crystal display having the same
  • Light guide plate and liquid crystal display having the same

Examples

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Embodiment Construction

[0033] Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

[0034] figure 2 is a sectional view showing the liquid crystal display device according to the first exemplary embodiment of the present invention.

[0035] refer to figure 2 The liquid crystal display device 100 according to the first embodiment of the present invention includes a liquid crystal display panel 200 , a touch panel 300 and a plurality of optical plates 410 , 420 and 480 disposed on the lower surface of the liquid crystal display panel 200 . The liquid crystal display panel 200 displays images. The touchpad 300 detects the position of an object touching the outer surface of the touchpad.

[0036] The liquid crystal display panel 200 includes a TFT substrate 230 , a color filter substrate 260 facing the TFT substrate 230 , and a liquid crystal layer 270 disposed between the TFT substrate 230 and the color filt...

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Abstract

A liquid crystal display apparatus (100) comprising a liquid crystal display panel (200) and a touch panel (300) is disclosed. A first transparent electrode (350) is disposed on an upper surface of the liquid crystal display panel (200) for displaying an image. A second transparent electrode (360) is disposed on a lower surface of a retardation member (320) and the second transparent electrode (360) is opposite to the first transparent electrode (350). Accordingly, the entire thickness of the liquid crystal display apparatus may be decreased , and the manufacturing cost of the liquid crystal display apparatus may be reduced.

Description

technical field [0001] The present invention relates to a liquid crystal display (LCD) device, and more particularly, to a liquid crystal display device having a touch panel. Background technique [0002] A touchpad is a device that detects the position of an object or a finger when the object or finger touches a point on a screen of a display device. [0003] figure 1 is a sectional view showing a conventional liquid crystal display device. [0004] refer to figure 1 , the liquid crystal display device includes: a liquid crystal display panel 20 for displaying images; and a touch panel for detecting the position of an object touching the outer surface of the touch panel. [0005] The liquid crystal display panel 20 includes a thin film transistor (TFT) substrate 21 , a color filter (C / F) substrate 23 , and a liquid crystal layer 25 disposed between the TFT substrate 21 and the color filter substrate 23 . A pixel electrode 22 is formed on the upper surface of the TFT sub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G02F1/13363G06F3/033G06F3/041G06F3/045
CPCG06F3/0412G02F1/133502G02F2201/50G02F1/13363G06F3/045G02F2001/133638G02F1/13338G02F1/133638
Inventor 曹宗奂鱼基汉朴相禹朴商镇林载翊崔芳实
Owner SAMSUNG DISPLAY CO LTD