Display substrate, manufacturing method and display device
A technology for displaying substrates and manufacturing methods, which can be applied to instruments, semiconductor devices, computing, etc., and can solve problems such as insufficient supply, poor touch control, and inaccurate touch control
Pending Publication Date: 2021-07-06
FUZHOU BOE OPTOELECTRONICS TECH CO LTD +1
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Problems solved by technology
However, the capacitive touch screen is easily affected by the application environment. When the temperature, humidity, and electric field of the surrounding environment change, it will cause the capacitive screen to drift, resulting in inaccurate touch.
In addition, the common voltage Vcom is likely to be insufficiently supplied at the remote end, especially when the screen size is large, which may easily cause the defect of poor touch control
[0004] It can be seen that the above-mentioned touch screens all have certain limitations.
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[0039] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0040] An embodiment of the present application provides a display device. The display device includes a display substrate and a pixel array, and a driving circuit for driving the display of the pixel array is arranged on the display substrate. The display device adopts In-Cell touch technology, and the touch circuit is also arranged on the display substrate....
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The embodiment of the invention provides a display substrate, a manufacturing method and a display device, the display substrate comprises a substrate body and a plurality of photoelectric sensing devices arranged on the substrate body in an array mode, and the photoelectric sensing devices generate touch signals based on light changes. In the display substrate provided by the embodiment of the invention, the photoelectric sensing device is adopted to realize touch detection, and compared with a touch scheme in the prior art, the photoelectric sensing device is less influenced by the environment and the screen size, and the reliability and the accuracy of touch identification are ensured. In addition, the photoelectric sensing devices are small in size, and the blocks with the photoelectric sensing devices as units can achieve more accurate touch control positioning.
Description
technical field [0001] The embodiments of the present application relate to the technical field of display devices, and in particular, to a display substrate, a manufacturing method, and a display device. Background technique [0002] According to the touch principle, common touch screens can be divided into infrared touch screens and capacitive touch screens. Among them, the infrared touch screen is an optical touch screen, which is covered with infrared receiving tubes and infrared emitting tubes around the screen. An optical network composed of multiple infrared rays. When the user touches the screen, the finger will block at least two infrared rays passing through the position. Therefore, the position of the touch point on the screen can be judged by analyzing the infrared receiving tube that does not receive the infrared rays. However, because the infrared touch screen needs to add a large number of infrared receiving tubes and infrared emitting tubes at the outer fra...
Claims
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IPC IPC(8): G06F3/041G06F3/042G02F1/1362G02F1/1343G02F1/1333H01L27/32
CPCG06F3/042G06F3/0418G02F1/13338G02F1/136286G02F1/1362G02F1/13439G02F1/1333H10K59/40H10K59/12H10K59/1201
Inventor 席文星李汛方鑫谢鑫
Owner FUZHOU BOE OPTOELECTRONICS TECH CO LTD