Incell display module with key touch function
By setting touch buttons in the cover border area of the Incell display module and using the film touch function in the non-display area of the display screen, the problems of space waste and high cost in the existing technology are solved, and efficient key touch is achieved Control function.
Patent Information
- Application Number
- CN202420854479.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-23
AI Technical Summary
When the existing Incell display module implements the key touch function, it will waste the display module space and increase the cost, requiring a larger display screen.
By setting touch buttons in the border area of the cover plate and using the film touch function in the non-display area of the display screen to realize touch function, the touch buttons are avoided directly implementing touch buttons on the display screen, thereby reducing costs.
It effectively utilizes the space of the display module, reduces costs, and at the same time realizes the convenience of the key touch function.
Smart Images

Figure CN222213138U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display modules, in particular to an Incell display module with a key touch function. Background Art
[0002] Liquid crystal display devices are widely used in various information, communication and consumer electronic products. Incell liquid crystal display modules are increasingly used, and the vehicle center console is also switched from OUT CTP to Incell mode. For the convenience and practicality of users, it is necessary to design some shortcut keys on the display module, such as home, main menu and other buttons, to facilitate user use.
[0003] In the prior art, if an Incell display is used to display the key touch function, it will waste the space of the display module and require a larger display screen, which will lead to higher costs. Utility Model Content
[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an Incell display module with a key touch function.
[0005] The purpose of this utility model is achieved through the following technical solutions:
[0006] An Incell display module with a key touch function comprises: a cover plate, a display screen and a backlight module which are arranged in sequence, the cover plate is arranged on the surface of the display screen, the cover plate consists of a central visible area and a frame area arranged outside the visible area, the cover plate is provided with touch keys at the position of the frame area, the display screen is an Incell display screen, the display screen consists of a central display area and a non-display area arranged outside the display area, the display area is arranged relative to the position of the visible area, the cover plate has a touch function in the visible area, and the touch key function in the frame area is realized by arranging a film touch function in the non-display area.
[0007] In one embodiment, a first layer of light-shielding ink, a second layer of light-shielding ink, an opaque ink and a silver paste wiring are sequentially silk-screened on the cover plate, and the first layer of light-shielding ink, the second layer of light-shielding ink, the opaque ink and the silver paste wiring are all located within the border area of the cover plate.
[0008] In one embodiment, the first layer of light-shielding ink is black or white ink, the thickness of the first layer of light-shielding ink is 0.005 mm-0.015 mm, and the first layer of light-shielding ink is hollowed out relative to the visible area and the touch button.
[0009] In one embodiment, the range of the visible area is shrunk by 0.5mm-1.0mm relative to the range of the display area, the first layer of light-shielding ink is shrunk by 0.3mm-1.2mm relative to the range of the visible area, and the inner edge of the first layer of light-shielding ink is shrunk by 0.2mm-1.0mm relative to the position of the touch button.
[0010] In one embodiment, the second layer of shading ink is black oil ink, the thickness of the second layer of shading ink is 0.005mm-0.015mm, and the second layer of shading ink is hollowed out relative to the visible area and the touch button.
[0011] In one embodiment, the opaque ink is opaque ink of various colors, the transmittance of the opaque ink is 5%-20%, and the thickness of the opaque ink is 0.005mm-0.015mm.
[0012] In one embodiment, the silver paste wiring is screen-printed in the frame area, and the position of the touch button is also screen-printed with the silver paste wiring, and the thickness of the silver paste wiring is 0.005mm-0.02mm.
[0013] In one embodiment, the silver paste wiring is covered with insulating oil, the insulating oil is screen-printed on the cover plate, and the thickness of the insulating oil is 0.005mm-0.02mm.
[0014] In one embodiment, an FPC is bound to the display screen, one end of the FPC is bound to the display screen, and the other end of the FPC is bent to the back of the backlight module and used to connect to the customer's mainboard. The FPC is bound to the gold fingers on the silver paste traces on the cover plate through ACF.
[0015] In one embodiment, the cover plate is made of tempered glass, and the thickness of the cover plate is 0.55 mm-3.0 mm.
[0016] Compared with the prior art, the utility model has at least the following advantages:
[0017] The utility model discloses an Incell display module with a key touch function by setting a touch key in the frame area of a cover plate. The visible area in the middle of the cover plate has a touch function, and the touch function is realized through the Incell display screen. The touch keys located in the frame area are realized by setting a film touch function in the non-display area of the display screen, so as to avoid the need to use the Incell display screen to realize the touch key function, thereby reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0019] Figure 1 This is a schematic diagram of the front structure of an Incell display module with a key touch function provided by the utility model;
[0020] Figure 2 This is a structural schematic diagram of a cover plate in an Incell display module with a key touch function provided by the utility model;
[0021] Figure 3 This is a side structural schematic diagram of an Incell display module with a key touch function provided by the utility model.
[0022] Description of the drawings: 10. Cover plate; 11. Visible area; 12. Frame area; 20. Display screen; 21. Display area; 22. Non-display area; 30. Backlight module; 40. Touch button; 50. First layer of shading ink; 60. Second layer of shading ink; 70. Opaque ink; 80. Silver paste wiring; 90. Insulating oil; 100. FPC. DETAILED DESCRIPTION
[0023] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0024] An Incell display module with key touch function, referring to Figure 1 , including a cover plate 10, a display screen 20 and a backlight module 30 which are arranged in sequence. The cover plate 10 covers the surface of the display screen 20. The cover plate 10 consists of a visible area 11 in the middle and a frame area 12 arranged outside the visible area 11. A touch button 40 is arranged at the position of the frame area 12 of the cover plate 10. The touch button 40 is silk-screened on the cover plate 10. The touch buttons 40 are distributed on both sides of the cover plate 10 relative to the visible area 11.
[0025] Reference Figure 1 The display screen 20 is an Incell display screen 20, which is composed of a middle display area 21 and a non-display area 22 arranged outside the display area 21. The display area 21 of the display screen 20 is arranged relative to the visible area 11 of the cover plate 10. In this embodiment, the visible area 11 in the middle of the cover plate 10 has a touch function, which is realized by the Incell display screen 20. The touch button 40 located in the frame area 12 is realized by setting a film touch function in the non-display area 22 of the display screen 20, so as to avoid the need to use the Incell display screen 20 to realize the touch button 40 function, thereby reducing the cost.
[0026] Reference Figure 2The cover plate 10 is made of tempered glass, and the thickness of the cover plate 10 is 0.55mm-3.0mm.
[0027] Reference Figure 2 The cover plate 10 is screen-printed with a first layer of light-shielding ink 50, a second layer of light-shielding ink 60, an opaque ink 70 and a silver paste wiring 80 in sequence. The first layer of light-shielding ink 50, the second layer of light-shielding ink 60, the opaque ink 70 and the silver paste wiring 80 are all located within the frame area 12 of the cover plate 10. The first layer of light-shielding ink 50, the second layer of light-shielding ink 60 and the opaque ink 70 are hollowed out relative to the visible area 11 and the touch button 40.
[0028] Reference Figure 2 The first layer of light-shielding ink 50 is black or white ink, and the thickness of the first layer of light-shielding ink 50 is 0.005mm-0.015mm. The first layer of light-shielding ink 50 is hollowed out relative to the positions of the visible area 11 and the touch button 40. The range of the visible area 11 of the cover plate 10 is 0.5mm-1.0mm smaller than the range of the display area 21 of the display screen 20, and the first layer of light-shielding ink 50 is 0.3mm-1.2mm smaller than the range of the visible area 11, so that the visible area 11 is expanded relative to the range of the first layer of covering ink. The inner edge of the first layer of light-shielding ink 50 is 0.2mm-1.0mm smaller than the position of the touch button 40.
[0029] Reference Figure 2 The second layer of light-shielding ink 60 is black ink, the thickness of the second layer of light-shielding ink 60 is 0.005 mm-0.015 mm, and the second layer of light-shielding ink 60 is hollowed out relative to the visible area 11 and the touch button 40 .
[0030] Reference Figure 2 The opaque ink 70 can be made of opaque inks of various colors, the transmittance of the opaque ink 70 is 5%-20%, and the thickness of the opaque ink 70 is 0.005mm-0.015mm.
[0031] Reference Figure 2 The silver paste wiring 80 is screen printed on the frame area 12 of the cover plate 10, and the silver paste wiring 80 is also screen printed on the position of the touch button 40. The silver paste wiring 80 is used to ensure the normal use of the touch button 40. The thickness of the silver paste wiring 80 is 0.005mm-0.02mm.
[0032] Reference Figure 2 The silver paste wiring 80 is covered with insulating oil 90 , and the insulating oil 90 is screen-printed on the cover plate 10 . The insulating oil 90 is used to protect the silver paste wiring 80 , and the thickness of the insulating oil 90 is 0.005 mm-0.02 mm.
[0033] Reference Figure 3The display screen 20 is bound with FPC100, one end of the FPC100 is bound to the display screen 20, the other end of the FPC100 is bent to the back of the backlight module 30, and the end of the FPC100 away from the display screen 20 is used to connect to the customer's mainboard. The FPC100 of the display screen 20 is bound to the gold finger on the silver paste wiring 80 on the cover plate 10 through the ACF to ensure the normal use of the touch button 40 and the normal use of the touch function in the visual area 11.
[0034] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. An Incell display module with a key touch function, characterized in that: include: A cover plate (10), a display screen (20) and a backlight module (30) are arranged in sequence, wherein the cover plate (10) is arranged on the surface of the display screen (20), the cover plate (10) is composed of a central visible area (11) and a frame area (12) arranged outside the visible area (11), a touch button (40) is arranged at the position of the frame area (12) of the cover plate (10), the display screen (20) is an Incell display screen (20), the display screen (20) is composed of a central display area (21) and a non-display area (22) arranged outside the display area (21), the display area (21) is arranged relative to the position of the visible area (11), the visible area (11) of the cover plate (10) has a touch function, and the function of the touch button (40) in the frame area (12) is realized by arranging a film touch function in the non-display area (22).
2. The Incell display module with key touch function according to claim 1, characterized in that: The cover plate (10) is screen-printed with a first layer of light-shielding ink (50), a second layer of light-shielding ink (60), opaque ink (70) and silver paste wiring (80) in sequence, and the first layer of light-shielding ink (50), the second layer of light-shielding ink (60), the opaque ink (70) and the silver paste wiring (80) are all located within the frame area (12) of the cover plate (10).
3. The Incell display module with key touch function according to claim 2, characterized in that: The first layer of light-shielding ink (50) is black or white ink, the thickness of the first layer of light-shielding ink (50) is 0.005 mm-0.015 mm, and the first layer of light-shielding ink (50) is hollowed out relative to the positions of the visible area (11) and the touch button (40).
4. The Incell display module with key touch function according to claim 3, characterized in that: The range of the visible area (11) is 0.5 mm-1.0 mm smaller than the range of the display area (21), the first layer of light-shielding ink (50) is 0.3 mm-1.2 mm smaller than the range of the visible area (11), and the inner edge of the first layer of light-shielding ink (50) is 0.2 mm-1.0 mm smaller than the position of the touch button (40).
5. The Incell display module with key touch function according to claim 4, characterized in that: The second layer of light-shielding ink (60) is black oil ink, the thickness of the second layer of light-shielding ink (60) is 0.005 mm-0.015 mm, and the second layer of light-shielding ink (60) is hollowed out relative to the positions of the visible area (11) and the touch button (40).
6. The Incell display module with key touch function according to claim 5, characterized in that: The opaque ink (70) is opaque ink of various colors, the transmittance of the opaque ink (70) is 5%-20%, and the thickness of the opaque ink (70) is 0.005mm-0.015mm.
7. The Incell display module with key touch function according to claim 6, characterized in that: The silver paste wiring (80) is screen-printed in the frame area (12), and the position of the touch button (40) is also screen-printed with the silver paste wiring (80), and the thickness of the silver paste wiring (80) is 0.005mm-0.02mm.
8. The Incell display module with key touch function according to claim 7, characterized in that: The silver paste wiring (80) is covered with insulating oil (90), the insulating oil (90) is screen-printed on the cover plate (10), and the thickness of the insulating oil (90) is 0.005 mm-0.02 mm.
9. The Incell display module with key touch function according to claim 8, characterized in that: The display screen (20) is bound with an FPC (100), one end of the FPC (100) is bound to the display screen (20), the other end of the FPC (100) is bent to the back of the backlight module (30) and is used to connect to the customer's mainboard, and the FPC (100) is bound to the gold finger on the silver paste wiring (80) on the cover plate (10) through an ACF.
10. The Incell display module with key touch function according to claim 1, characterized in that: The cover plate (10) is made of tempered glass, and the thickness of the cover plate (10) is 0.55 mm-3.0 mm.
