Display panel and display device
A display panel and panel technology, which is applied in the direction of static indicators, instruments, etc., can solve the problems of reduced accuracy of panel electrical detection and large resistance-capacitance load, and achieve the goals of improving display unevenness, reducing voltage drop, and improving accuracy Effect
Active Publication Date: 2022-04-05
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Problems solved by technology
[0005] Embodiments of the present application provide a display panel and a display device, which are used to solve the problem that the accuracy of panel electrical detection is reduced due to the large resistance-capacitance load of crack detection wiring in existing display panels.
Method used
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[0023] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments that the present application can be used to implement. The directional terms mentioned in this application, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are for reference only The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application. In the figures, structurally similar elements are denoted by the same reference numerals.
[0024] The present application will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] The embodiment of the present application provides a display panel, which is combined with Figure 1 to Figure 3 Describe in detail. Such as figure 1 as shown, figure 1 The structural diagram of the display panel 1 provided in...
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The application provides a display panel and a display device. The display panel includes a display area and a non-display area. The display area is provided with a plurality of sub-pixels arranged in an array and a plurality of data lines, and the non-display area is provided with a plurality of output channels. , panel electrical detection unit, crack detection wiring and detection control circuit, the panel electrical detection unit is connected to the detection control circuit, the input end of the crack detection wiring is connected to the output end of the detection control circuit, the output end of the crack detection wiring is connected to the detection control circuit The other output terminal of the control circuit is output to at least the input terminal of the same output channel, and the detection control circuit is used to output the detection signal to the crack detection wiring or the output channel according to the detection control signal, and the detection signal can be transmitted without passing through the crack detection wiring. The detection control circuit is output to the output channel to reduce the voltage drop of the detection signal during transmission, thereby improving the problem of uneven display and improving the accuracy of panel electrical detection.
Description
technical field [0001] The present application relates to the field of display technology, in particular to a display panel and a display device. Background technique [0002] With the continuous development of display technology, display panels are more and more widely used in various fields. Usually, during the manufacturing process of display panels, multiple display panels are formed on the mother board, and then the mother board is cut to finally obtain discrete display panels, but cracks may occur on the edges of the display panels during the cutting process , as the use time increases, cracks may extend to the inside of the display panel, affecting the service life of the display panel. Therefore, crack detection should be performed after the display panel is cut and formed. [0003] In the prior art, the currently commonly used method is to use a panel crack decision (PCD) method, by forming a circle of crack detection wiring for crack detection on the edge of the d...
Claims
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IPC IPC(8): G09G3/00
CPCG09G3/006
Inventor 曹志浩
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD