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Touch display panel and control method thereof

A touch display panel and touch mode technology, which is applied to static indicators, instruments, calculations, etc., can solve the problems of uneven display screen and the inability to maintain a narrow viewing angle of the display screen, and achieve the effect of improving uniformity

Active Publication Date: 2019-02-01
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The voltage or signal provided by the common electrode affects the arrangement of the display medium in the display panel, so that the display screen cannot always maintain the characteristics of a narrow viewing angle
In addition, the electric field effect generated by the common electrode will also cause the unevenness of the display screen

Method used

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  • Touch display panel and control method thereof

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Embodiment Construction

[0034] The detailed features and advantages of the present invention are described in detail below in the implementation manner, and its content is enough to make any person skilled in the art understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the scope of protection of the claims and With the accompanying drawings, any person skilled in the art can easily understand the related objects and advantages of the present invention. The following examples further illustrate the concept of the present invention in detail, but do not limit the scope of the present invention in any way.

[0035] Please refer to figure 1 , figure 1 It is a side sectional view of a touch display panel according to an embodiment of the present invention. like figure 1 As shown, the touch display panel 10 has a first substrate 11 , a second substrate 13 , a display medium layer 15 , a first common electrod...

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Abstract

A touch display panel and controlling method thereof are provided. The touch display panel includes a first substrate, a second substrate, a display medium layer, a first common electrode, and a pixel structure including a pixel electrode and a second common electrode. The first common electrode has a voltage signal. In a display mode, the pixel electrode is provided with a data signal so that a first voltage difference exists between the first and the second common electrodes. The arrangement of the display medium layer varies according to the data signal and the first voltage difference. In a touch mode, the second common electrode is provided with an indication signal whose waveform alternates between first and second voltage values. When the indication signal is at the first voltage value and a second voltage value respectively, a second and a third voltage differences exist between the first and second common electrodes.

Description

technical field [0001] The present invention relates to a touch display panel and a control method thereof, in particular to a touch display panel with a voltage difference between the first common electrode and the second common electrode in display mode or touch mode, and the control method thereof. Control Method. Background technique [0002] In the current display technology, the display device must have a wide viewing angle when displaying images, so as to meet the needs of multiple users viewing the same display device at the same time. However, at some point, the wide viewing angle characteristic of the display device may cause privacy leakage of the user. Therefore, there is also a demand for some display products to have anti-peeping functions. [0003] In the current touch display technology, the touch system and the display system also tend to be integrated into the same device, such as an in-cell touch display panel, to perform touch sensing and update display...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1333G02F1/167G02F1/1343G06F3/041
CPCG02F1/13338G02F1/134363G02F1/167G06F3/0412G06F3/0416G06F3/04166G06F3/04184G06F3/0443G09G3/3655G09G2320/028G09G2358/00G09G3/2092G09G2320/068
Inventor 王儀珺叶碧纯黄馨谆郑景升
Owner AU OPTRONICS CORP