Structure for improving yield of touch display screen
By setting small through holes of step depressions and metal decorative strips on the glass cover of the touch display screen, and adding yarn mesh to cover the through holes on the back, the problems of high cost, low yield rate and insufficient aesthetics are solved, and cost reduction and yield rate improvement are achieved.
Patent Information
- Application Number
- CN202422134878.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The existing touch display has high production costs and low yield, and the through-hole design is not beautiful and monotonous.
The top of the glass cover plate is provided with step depressions, and metal decorative strips are bonded therein. Small through holes arranged regularly arranged on the metal decorative strips, and a yarn mesh is arranged on the back to cover the through holes, which improves the through hole design.
It reduces production costs, improves yield, maintains sound transmission effect, and enhances aesthetics.
Smart Images
Figure CN223092408U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of touch display screens, in particular to a structure for improving the yield rate of touch display screens. Background Technique
[0002] Touch display screens allow users to operate the host computer simply by gently touching the icons or text on the computer display screen with their fingers, thus getting rid of keyboard and mouse operations and making human-computer interaction more straightforward. It is mainly applied to information inquiry in public hall, leadership office work, electronic games, ordering songs and dishes, multimedia teaching, pre-sale of air tickets / railway tickets, etc. In order to better transmit sound, existing touch display screens are provided with through holes, and generally for aesthetic reasons, the through holes are small and numerous round holes. In the past, they were directly realized on the glass cover plate through CNC technology, but this method has high cost, low yield rate, and is not beautiful enough, being monotonous and lacking connotation. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a structure for improving the yield rate of touch display screens.
[0004] The purpose of the utility model is achieved by the following technical solutions:
[0005] A structure for improving the yield rate of touch display screens, comprising: a touch display screen, a sensor and an FPC; the touch display screen includes a glass cover plate, a step depression is provided on the screen body at the top of the glass cover plate, and a metal decorative strip is provided in the step depression at the top of the front surface of the glass cover plate; a circular through hole is provided in the center of the front surface of the metal decorative strip; a screen mesh is provided in the step depression at the top of the back surface of the glass cover plate.
[0006] In one embodiment, the depth of the side surface of the step depression is 0.2 mm, and the thickness of the side surface of the metal decorative strip is 0.2 mm.
[0007] In one embodiment, the shape and size of the metal decorative strip match those of the front surface of the step depression, and the surface of the metal decorative strip has been treated by aluminum alloy anodic sandblasting.
[0008] In one embodiment, there are several circular through holes, which are arranged at equal distances in the horizontal and vertical directions on the front surface of the metal decorative strip.
[0009] In one embodiment, the diameter of the front surface of the circular through hole is between 0.2 mm and 0.35 mm.
[0010] In one embodiment, a glass cover plate through-hole is provided at the top of the glass cover plate and in the center of the stepped depression, and the shape of the front surface of the glass cover plate through-hole is oval.
[0011] In one embodiment, the shape and size of the front surface of the screen mesh match the shape and size of the front surface of the glass cover plate through-hole, and the screen mesh overlaps with the glass cover plate through-hole.
[0012] In one embodiment, the sensor is provided on the back of the glass cover plate, and a touch circuit is provided on the sensor.
[0013] In one embodiment, the sensor is located in the center of the front surface of the glass cover plate, and the size of its front surface is / of the size of the front surface of the glass cover plate.
[0014] In one embodiment, the FPC is provided in the center of the bottom of the glass cover plate and is connected to the sensor through metal PINs.
[0015] Compared with the prior art, the present utility model has at least the following advantages:
[0016] A structure for improving the yield of a touch display screen according to the present utility model changes the original small round through-hole directly provided on the glass cover plate into a large through-hole, and a stepped depression with a depth of 0.2 mm is machined by CNC at the top of the glass cover plate, and a metal decorative strip is bonded in the front step. Through the small through-holes with a diameter of 0.2 - 0.35 mm regularly arranged on the decorative strip and the screen mesh provided on the back, the glass cover plate through-hole can be blocked, and at the same time, its sound transmission effect can be ensured, its production cost can be reduced, and the yield of its production can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a front overall schematic diagram of the structure for improving the yield of a touch display screen according to the present utility model;
[0019] Figure 2 It is a side overall schematic diagram of the structure for improving the yield of a touch display screen according to the present utility model;
[0020] Figure 3This is the overall back view of the structure for improving the yield rate of the touch display screen of the present utility model.
[0021] In the figure: 1. Touch display screen; 11. Glass cover plate; 12. Metal decorative strip; 13. Circular through hole; 14. Glass cover plate through hole; 15. Step depression; 16. Screen; 2. Sensor; 3. FPC. Detailed implementation mode
[0022] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.
[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.
[0024] Unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship of two elements.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0026] Such as Figures 1-3As shown in the figure, a structure for improving the yield rate of a touch display screen includes: a touch display screen 1, a sensor 2, and an FPC 3; the touch display screen 1 includes a glass cover plate 11, a stepped depression 15 is provided on the screen body at the top of the glass cover plate 11, and a metal decorative strip 12 is provided in the stepped depression 15 at the top of the front surface of the glass cover plate 11; a circular through hole 13 is provided in the center of the front surface of the metal decorative strip 12; a screen mesh 16 is provided in the stepped depression 15 at the top of the back of the glass cover plate 11. It should be noted that the stepped depression 15 is realized by CNC technology, and compared with the original design of using CNC technology to realize multiple through holes, this design is more cost-saving.
[0027] As Figures 1-3 shown, in one embodiment, the depth of the side surface of the stepped depression 15 is 0.2 mm, and the thickness of the side surface of the metal decorative strip 12 is 0.2 mm. The shape and size of the front surface of the metal decorative strip 12 fit the shape and size of the front surface of the stepped depression 15, and the surface of the metal decorative strip 12 has been treated by aluminum alloy oxidation sandblasting. It should be noted that the metal decorative strip 12 and the stepped depression 15 are bonded together by a fitting method.
[0028] As Figures 1-3 shown, in one embodiment, there are several circular through holes 13, and they are arranged at equal distances along the horizontal and vertical directions on the front surface of the metal decorative strip 12. The diameter of the front surface of the circular through hole 13 is between 0.2 mm and 0.35 mm. It should be noted that several circular through holes 13 cover the central area of the front surface of the metal decorative strip 12 and cover the glass cover plate through hole 14.
[0029] As Figures 1-3 shown, in one embodiment, a glass cover plate through hole 14 is provided at the top of the glass cover plate 11 and in the center of the stepped depression 15, and the shape of the front surface of the glass cover plate through hole 14 is oval. The shape and size of the front surface of the screen mesh 16 fit the shape and size of the front surface of the glass cover plate through hole 14, and the screen mesh 16 overlaps with the glass cover plate through hole 14. It should be noted that this design enables the screen mesh 16 to protect the glass cover plate through hole 14 and reduce dust from entering the glass cover plate through hole 14.
[0030] As Figures 1-3 shown, in one embodiment, the sensor 2 is arranged on the back of the glass cover plate 11, and a touch circuit is provided on the sensor 2. The sensor 2 is located in the center of the front surface of the glass cover plate 11, and the size of its front surface is 3 / 4 of the size of the front surface of the glass cover plate 11. The FPC 3 is arranged in the center of the bottom of the glass cover plate 11 and is connected to the sensor 2 through metal PINs. It should be noted that this design enables the touch display screen 1 to have a touch function.
[0031] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.
Claims
1. A structure for improving the yield rate of a touch display screen, characterized in that, Including: Touch display screen (1), sensor (2) and FPC (3); The touch display screen (1) includes a glass cover plate (11). A stepped depression (15) is provided on the screen body at the top of the glass cover plate (11). A metal decorative strip (12) is provided in the stepped depression (15) at the top of the front surface of the glass cover plate (11); A circular through-hole (13) is provided at the center of the front surface of the metal decorative strip (12); A screen mesh (16) is provided in the stepped depression (15) at the top of the back of the glass cover plate (11).
2. The structure for improving the yield rate of a touch display screen according to claim 1, wherein The depth of the side surface of the stepped depression (15) is 0.2 mm, and the thickness of the side surface of the metal decorative strip (12) is 0.2 mm.
3. The structure for improving the yield rate of a touch display screen according to claim 1, wherein The shape and size of the metal decorative strip (12) match those of the front surface of the stepped depression (15). The surface of the metal decorative strip (12) has been treated by anodizing and sandblasting of aluminum alloy.
4. The structure for improving the yield rate of a touch display screen according to claim 1, characterized in that, There are several circular through-holes (13), which are arranged at equal distances in the horizontal and vertical directions on the front surface of the metal decorative strip (12).
5. The structure for improving the yield rate of a touch display screen according to claim 1, wherein, The diameter of the front surface of the circular through-hole (13) is between 0.2 mm and 0.35 mm.
6. The structure for improving the yield rate of a touch display screen according to claim 1, wherein, A glass cover plate through-hole (14) is provided at the center of the top of the glass cover plate (11) and within the stepped depression (15). The shape of the front surface of the glass cover plate through-hole (14) is oval.
7. The structure for improving the yield rate of a touch display screen according to claim 6, characterized in that, The shape and size of the front surface of the screen mesh (16) match those of the front surface of the glass cover plate through-hole (14). The screen mesh (16) overlaps with the glass cover plate through-hole (14).
8. The structure for improving the yield rate of a touch display screen according to claim 1, characterized in that, The sensor (2) is provided on the back of the glass cover plate (11), and a touch circuit is provided on the sensor (2).
9. The structure for improving the yield rate of a touch display screen according to claim 1, wherein, The sensor (2) is located at the center of the front surface of the glass cover plate (11), and the size of its front surface is 3 / 4 of the size of the front surface of the glass cover plate (11).
10. The structure for improving the yield rate of a touch display screen according to claim 1, wherein The FPC (3) is provided at the center of the bottom of the glass cover plate (11) and is interconnected with the sensor (2) through metal PINs.