A display panel and a display device
A display panel and electrical connection technology, applied in the direction of instruments, computing, electrical digital data processing, etc., can solve problems such as temperature rise, and achieve the effect of reducing wiring
Active Publication Date: 2020-07-21
XIAMEN TIANMA MICRO ELECTRONICS
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Problems solved by technology
[0004] The present invention provides a display panel and a display device to improve the problem of temperature rise caused by the pressure sensing unit being in the power-on state all the time, so as to achieve the effects of reducing power consumption and prolonging the service life of the pressure sensing unit
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[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0022] figure 1 For a schematic structural diagram of a display panel provided by an embodiment of the present invention, see figure 1 , the display panel specifically includes:
[0023] A plurality of cascaded shift registers 11, k first selection output units 12, k second selection output units 14, and k pressure sensing units 13; wherein, k is an integer greater than 1;
[0024] The control terminal ctr1 of each first selection output unit 12 is electrically connected to the output terminal OUT1 of the first-...
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The invention discloses a display panel and a display apparatus. According to the display panel and the display apparatus, a non-display area of the display panel is provided with multiple shift registers, k first selection output units, k second selection output units and k pressure sensing units; scanning signals output by output ends of the shift registers control statuses of the first selection output units and the second selection output units; and output ends of the first selection output units are electrically connected with the pressure sensing units. The effect that the statuses of the pressure sensing units are controlled is implemented, the problem of a temperature rise due to the fact that the pressure sensing units are in a charging status all the time is improved, and the effects that the electric quantity loss is reduced, and the service life of each of the pressure sensing units is prolonged are implemented; and through sharing signal wires, the routing is reduced, andthe effect that interfaces for connecting output signals of the sensing units to an external circuit are reduced is implemented.
Description
technical field [0001] Embodiments of the present invention relate to the field of display technology, and in particular, to a display panel and a display device. Background technique [0002] With the development of modern electronic technology, display panels with touch function are widely used in various display products such as mobile phones, tablet computers, and information inquiry machines in public halls as an information input tool. [0003] At present, the touch function applied to the display screen is generally realized by a pressure sensor, which adopts a strain-type pressure-sensing bridge design, and outputs a pressure detection signal according to a bias signal input at its input terminal. The pressure sensor is arranged at the position of the glass frame, and the corresponding drive circuit is designed on the display panel or an external circuit provides a bias signal for it. The provided bias signal keeps the pressure sensor in a charging state, which makes...
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IPC IPC(8): G06F3/041
Inventor 杨毅志
Owner XIAMEN TIANMA MICRO ELECTRONICS