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Display device

A display device, touch technology, applied in static indicators, instruments, electrical digital data processing and other directions, can solve problems such as unfavorable signal processing, small changes in the distance between the counter electrode and the protective layer, affecting product quality, etc.

Inactive Publication Date: 2010-09-01
HANNSTAR DISPLAY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when a user touches a display device, the distance between the opposite electrode and the protective layer changes slightly, so the sensing signal generated by the sensing element is also small, which is not conducive to subsequent signal processing.
That is, the sensitivity of the touch display device is poor, which affects the product quality

Method used

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Embodiment Construction

[0014] image 3 A diagram showing the relationship between the gap between the sensing element and the counter electrode and the drain current of the touch display device according to the present invention. As shown in the figure, when the gap between the sensing element and the counter electrode is reduced, the drain current will decrease, especially when the gap is less than 2 μm, the drain current will decrease significantly with the change of the gap, and when the gap is less than 1 μm , the drain current varies more significantly with the gap.

[0015] The following further Figure 4 and Figure 5 The operation mode of narrowing the gap between the sensing element and the counter electrode according to the embodiment of the present invention will be described. Please refer to Figure 4 , the gap between the protective layer 404 on the sensing element on the substrate 402 (for simplicity, the sensing element is omitted in this illustration) and the opposing electrode 4...

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PUM

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Abstract

The invention provides a display device. The display device comprises a baseplate, an induction element and an opposite electrode, wherein the baseplate comprises a pixel electrode, a first conducting wire and an opposite baseplate corresponding to the baseplate. The induction element is arranged on the baseplate, is provided with a protective layer, is in electric connection with the first conducting wire and is insulated with the pixel electrode. The opposite electrode is arranged between the baseplate and the opposite baseplate and corresponds to the induction element, wherein a changeableclearance d is formed between the protective layer and the opposite electrode; and d is less than or equal to 1 mu m.

Description

technical field [0001] The present invention relates to a display device, in particular to a touch display device. Background technique [0002] With the popularization of computer equipment and the simplification of input operations, touch input displays have been widely used in daily life, such as mobile phone panels, digital camera panels and display panels are all using touch input displays. [0003] figure 1 showing a plan view of a touch-sensitive display device using sensing elements, Figure 2A show figure 1 Sectional view along the I-I' section line. Please refer to figure 1 In addition to the switching element 102, the touch display device 100 additionally includes a sensing element 104 on the pixel layout. The switching element 102 is electrically connected to the gate line 106 , the data line 108 crossing the gate line 106 and the pixel electrode 110 . The sensing element 104 is electrically connected to another gate line 106 but is insulated from the pixel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/133G06F3/041
Inventor 潘轩霖施博盛杨界雄陈柏仰
Owner HANNSTAR DISPLAY CORPORATION