A touch display panel, a display device and a method for manufacturing a touch display panel
A touch display panel and a technology of the display panel are applied in the field of display devices and the production of touch display panels and touch display panels, and can solve the problems of small pressure detection signal volume and the like
Active Publication Date: 2020-07-07
XIAMEN TIANMA MICRO ELECTRONICS
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Problems solved by technology
[0004] However, as the popularity of thinner and lighter touch display panels continues to rise in the market, the height of the deformable layer between the display panel and the backlight module has also been made smaller and smaller, which makes the first step to realize the pressure detection function The feasible variable between the first electrode layer and the second electrode layer is getting smaller and smaller. When the feasible variable between the first electrode layer and the second electrode layer is small, when the user applies pressure on the top surface of the cover plate, the second The capacitance value change of the capacitor formed by the first electrode layer and the second electrode layer will be small, resulting in a small pressure detection signal
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[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0033] figure 2 is a schematic cross-sectional view of a touch display panel according to an embodiment of the present invention, image 3 for figure 2 The structure diagram of the cover plate of the touch display panel shown in , Figure 4 for figure 2 The shown touch display panel includes a schematic diagram of the cover plate viewed from the top surface of the cover plate, Figure 5 for figure 2 The cover plate included in the touch d...
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The invention discloses a touch display panel, a display device and a method for manufacturing the touch display panel. The touch display panel comprises a display panel body and a cover plate, the cover plate comprises a top surface for touch and a bottom surface opposite to the top surface, and the top surface comprises a plane area and an arc-shaped area surrounding the plane area; the bottom surface comprises an attaching area and a non-attaching area surrounding the attaching area, the display panel body is attached to the cover plate in the attaching area, a groove is formed in the bottom surface of the display panel body, and at least part of the groove is located in the non-attachment area. According to the touch display panel and the display device, the groove is formed in the bottom surface of the cover plate, the deformation amount of the cover plate is increased after the cover plate is pressed by a user, and the pressure detection signal quantity of the touch display panel is increased, so that the pressure detection becomes sensitive, and the user experience of the user on the pressure detection function is improved.
Description
technical field [0001] The present invention generally relates to the field of display technology, and in particular to a touch display panel, a display device and a method for manufacturing a touch display panel. Background technique [0002] With the continuous development of display technology, touch display panels are more and more widely used, and users have more and more diverse requirements for the functions and appearance of touch display panels. In order to meet this demand of users, the application of touch display panel with integrated pressure detection function was born. [0003] In the prior art, the way of integrating the pressure detection function in the touch display panel is usually to set the first electrode layer in the display panel, and use the backlight iron frame in the backlight module of the touch display panel as the second electrode layer. There is a deformable layer between the backlight module and the backlight module. When the user applies pr...
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IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0414G06F3/044
Inventor 陈淑萍林少庭
Owner XIAMEN TIANMA MICRO ELECTRONICS