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Method for making pixel unit

A manufacturing method and pixel unit technology, applied in semiconductor/solid-state device manufacturing, electrical components, optics, etc., to achieve the effects of simple noise suppression circuits, reduced manufacturing costs, and high detection accuracy

Active Publication Date: 2012-05-30
苏州盛泽科技创业园发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to additionally design complex and high-precision noise filter circuit (Noise Filter) and signal amplifier circuit to detect photocurrent
In addition, although by increasing the TFT area of ​​the TFT photodetector, the difference between the bright state and the dark state current of the photodetector can be widened, however, this will increase the area occupied by the photodetector in the pixel unit, Reducing the Aperture Ratio of LCD Panels

Method used

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  • Method for making pixel unit
  • Method for making pixel unit
  • Method for making pixel unit

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Experimental program
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Embodiment Construction

[0035] figure 1 It is a structural schematic diagram of the touch liquid crystal display panel of the present invention, figure 2 for figure 1 A schematic diagram of one of the pixel units on the first substrate. Please refer to figure 1 , The touch-type liquid crystal display panel of the present invention includes a first substrate 100; a second substrate 300, which is arranged opposite to the first substrate 100; and a liquid crystal layer (not shown), which is arranged on the Between the substrate 100,300.

[0036] In one embodiment, the second substrate 300 is a color filter substrate. The second substrate 300 includes a color filter array and a black matrix (not shown). In a preferred embodiment, the second substrate 300 further includes a pair of counter electrodes (not shown). In addition, other film layers may also be disposed on the second substrate 300 , such as a flat layer, an alignment film, and the like.

[0037]The first substrate 100 is provided wit...

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Abstract

The invention provides a pixel unit. The pixel unit comprises a gate electrode line, a data line, a thin film transistor, a pixel electrode, a scanning line, a signal reading line, and a PIN diode, wherein the thin film transistor is electrically connected with the gate electrode line and the data line; the pixel electrode is electrically connected with the thin film transistor; the scanning lineis arranged in parallel to the gate electrode line; the signal reading line is arranged in parallel to the data line; and one end of the PIN diode is electrically connected with the scanning line, and the other end of the PIN diode is electrically connected with the signal reading line so as to detect the light changes outside the pixel unit and output a light current according to the light changes. On the premise of not lowering an aperture ratio, the pixel unit can achieve higher detection precision by a simpler detection circuit, and the manufacturing cost is lowered.

Description

technical field [0001] The present invention relates to a liquid crystal display device and a manufacturing method thereof, in particular to a touch-sensitive liquid crystal display device and a manufacturing method thereof. Background technique [0002] With the development of the industry, digital tools such as mobile phones, personal digital assistants, notebook computers and tablet computers are all moving towards more convenient, multi-functional and beautiful directions. develop. However, the display screens in mobile phones, personal digital assistants, notebook computers, and tablet computers are indispensable human-machine communication interfaces. The display screens of the above products will bring more convenience to users' operations , where most of the display screens are liquid crystal display devices as the mainstream. [0003] At the same time, with the rapid development and application of information technology, wireless mobile communication and informat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1362G02F1/13H01L27/12H01L21/84
Inventor 黎鸿俊廖木山蔡乙诚
Owner 苏州盛泽科技创业园发展有限公司