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Display panel, control method for display panel, and display apparatus

A display panel and control terminal technology, applied in character and pattern recognition, print image acquisition, instruments, etc., can solve problems such as fingerprint recognition that cannot be touched by the display panel

Active Publication Date: 2018-02-16
WUHAN TIANMA MICRO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the present invention provides a display panel and its control method and display device, which solves the technical problem that fingerprint identification cannot be realized on the touch display panel in the prior art

Method used

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  • Display panel, control method for display panel, and display apparatus
  • Display panel, control method for display panel, and display apparatus
  • Display panel, control method for display panel, and display apparatus

Examples

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Embodiment Construction

[0031] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0033] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0034] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a display panel, a control method for the display panel, and a display apparatus. The display panel has a first region and a second region, and comprises multiple first touch electrodes arranged in the first region, multiple second touch electrodes arranged in the second region, an integrated circuit electrically connected with the first touch electrodes and the second touch electrodes, and multiple switch conversion circuit; each switch conversion circuit comprises a common connection end connected with the integrated circuit, a first switch branch with a first end connected with each first touch electrode and a second end connected with the common connection end, and a second switch branch with a first end connected with each second touch electrode and a second end connected with the common connection end; in a first time cycle, the first switch branches are switched on and the second switch branches are switched off; and in a second time cycle, the first switch branches are switched off and the second switch branches are switched on. Through the display panel, fingerprint identification can be realized on the display panel on the premise of not adding a chip pin in the integrated circuit.

Description

technical field [0001] The present invention relates to the field of display technology, and more specifically, to a display panel, a control method thereof, and a display device. Background technique [0002] In recent years, with the gradual development of touch technology, the display panels of smart phones, smart tablets, smart wearable devices and other devices generally have touch functions. Touch panels can be divided into resistive, capacitive, and optical based on different sensing technologies. , four types of acoustic wave type, among which, the capacitive touch panel determines the touch point by detecting the change of the reference capacitance caused by the inductive capacitance generated between the electrode and the human body. When the human body is not in contact with the touch panel, various electrodes take the current state as a reference value. When the human body touches the touch panel, a parasitic capacitance is generated between the human body and t...

Claims

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Application Information

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IPC IPC(8): G06F3/044G06F3/041G06K9/00
CPCG06F3/0412G06F3/044G06V40/1306
Inventor 杨毅志
Owner WUHAN TIANMA MICRO ELECTRONICS CO LTD
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