High-definition impact-resistant membrane switch with PC attached to window area and optical cement
By using the design of PC with optical adhesive in the window area in the film switch, combined with the light guide film layer and pressure joint structure, the problem of insufficient optical effect, touch and waterproof performance of the film switch is solved, and better vision and touch are achieved Experience.
Patent Information
- Application Number
- CN202420798269.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing film switches have shortcomings in terms of optical effects, touch and waterproof performance. The optical effects of the touch screen are not good, the touch feel is average, the area of stress is small when used and it is easy to touch by mistake, and the waterproof performance is also poor.
A high-definition and impact-resistant film switch with PC with optical glue on the window area is designed, using a combination of panel, surface key layer, light guide film layer, thickened layer, fixed layer, wire key layer, line layer and bottom glue layer The structure is set, and a waterproof frame is set on the periphery. The light guide film layer is used to achieve a uniform luminous effect. The fixed layer is equipped with a pressure slit that releases pressure to improve the touch feeling, and the optical effect is enhanced by the bonding of optical glue and PC plastic.
It achieves clear optical effects, good touch and high waterproof performance, making the switch have a better appearance and feel when used, while no additional backlight module design is required.
Smart Images
Figure CN222190531U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a thin-touch switch, in particular to a high-definition and impact-resistant membrane switch with good optical effect, good touch and good waterproof performance, a PC tape optical glue pasted on a window area. Background Art
[0002] Customers' design requirements for user interfaces are constantly changing and improving. They are not limited to the realization of functions, but also require more fashionable appearance, more novel touch, and higher requirements for the feel, appearance, life and durability of buttons. Common membrane switches on the market have certain limitations:
[0003] 1. The optical effect of the touch screen is not good.
[0004] 2. When the touch screen is in use, the force-bearing area is small and the touch is average. There is a certain amount of outward pressure on the part of the switch that the hand touches, resulting in a poor touch or even false triggering.
[0005] 3. The waterproof performance is average. Utility Model Content
[0006] In view of the above problems, the main purpose of the utility model is to provide a high-definition and impact-resistant membrane switch with good optical effect, good touch and good waterproof performance, with PC tape optical adhesive attached to the window area.
[0007] The utility model solves the above technical problems through the following technical solutions: a high-definition and impact-resistant membrane switch with PC tape optical glue attached to the window area, wherein the high-definition and impact-resistant membrane switch with PC tape optical glue attached to the window area comprises, from top to bottom, a panel, a surface key layer, a light guide film layer, a thickening layer, a thickening layer glue, a fixing layer, a wire key layer, a circuit layer, and a bottom glue layer.
[0008] A window area and a convex area are provided on the panel, and optical glue is provided under the window area, and the optical glue is adhered to the PC plastic.
[0009] The utility model also comprises a waterproof frame which is arranged around the high-definition and impact-resistant membrane switch with PC tape optical glue pasted on the entire window area; the PC plastic is located inside the waterproof frame.
[0010] The light-guiding film layer comprises a light-guiding film carrier and a light-guiding film fixed on the light-guiding film carrier.
[0011] The surface key layer is provided with surface key layer holes; the thickening layer is provided with thickening layer holes; the thickening layer glue is provided with thickening layer glue holes; the fixing layer is provided with pressure seams for releasing pressure, and the wire key layer is provided with wire key layer holes.
[0012] The convex hull, the surface key layer hole, the light guide film, the thickened layer hole, the thickened layer glue hole, the pressure seam, the line key layer hole and the metal spring are located at the same vertical position.
[0013] An LED lamp is fixed on the circuit layer, and the LED lamp passes through the wire bond layer, the fixing layer, the thickening layer glue, the thickening layer, and the light guide film layer; the bottom glue layer is attached to the back of the circuit layer.
[0014] In a specific implementation example of the present invention, multiple conductive inks are disposed on both the front and back surfaces of the circuit layer.
[0015] In a specific implementation example of the utility model, a pressure seam for releasing pressure is provided on the fixing layer.
[0016] In a specific implementation example of the present utility model, the pressure seam is in a "U" shape, a "cross" shape, an "eight" shape, or a "C" shape.
[0017] In a specific implementation example of the present invention, the uppermost end of the LED lamp is flush with the light guide film layer or slightly lower than the light guide film layer.
[0018] In a specific implementation example of the present utility model, a front circuit and a back circuit are arranged on the circuit layer, and a metal spring is arranged on a part of the conductive line of the front circuit.
[0019] In a specific implementation example of the utility model, the height range of the convex hull is: 0.2-0.5mm, and the thickness range of the surface key layer is: 0.2-0.5mm.
[0020] In a specific implementation example of the present utility model, the thickness range of the circuit layer is: 0.2-0.5mm; the thickness range of the base glue layer is: 0.05-0.1mm.
[0021] In a specific implementation example of the present utility model, a finger reinforcement structure is attached to the back of the circuit layer.
[0022] In a specific implementation example of the present utility model, the thickness of the finger reinforcement structure ranges from 0.05 to 0.08 mm.
[0023] The positive progressive effect of the utility model is that the utility model proposes a high-definition and impact-resistant membrane switch with a PC window area and optical glue, a window area is provided on the panel, optical glue is provided below the window area, and the optical glue is adhered to the PC plastic. Such a combined structure allows the utility model to have a clear optical effect.
[0024] The utility model arranges the light guide film on the light guide film carrier, so that the utility model can achieve a uniform surface luminous effect, and does not need to separately design a backlight module.
[0025] The fixing layer of the utility model is provided with a pressure seam for releasing pressure, so that the hand contact part of the switch has a good touch.
[0026] The utility model is provided with a waterproof frame and has good waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a structural schematic diagram of the interlayer structure of the utility model.
[0028] Figure 2 yes Figure 1 Schematic diagram of the medium pressure joint ( Figure 1 circle).
[0029] Figure 3 It is a schematic diagram showing the back side of the utility model.
[0030] The following are the names corresponding to the label numbers in this utility model:
[0031] Panel 1, surface key layer 2, light guide film layer 3, thickening layer 4, thickening layer glue 5, fixing layer 6, wire key layer 7, circuit layer 8, bottom glue layer 9, metal spring 10, conductive ink 11, waterproof frame 12, finger reinforcement structure 13, LED lamp 14, optical glue 15, PC plastic 16, convex area 101, window area 102, surface key layer hole 201, light guide film carrier 301, light guide film 302, thickening layer hole 401, thickening layer glue hole 501, pressure seam 601, wire key layer hole 701, front circuit 801, back circuit 802. DETAILED DESCRIPTION
[0032] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the technical solution of the present invention in detail.
[0033] Figure 1 It is a schematic diagram of the structure of the interlayer structure of the utility model. Figure 2 yes Figure 1 Schematic diagram of the medium pressure joint ( Figure 1 ), Figure 3 It is a schematic diagram showing the back side of the utility model, such as Figure 1-3 As shown: the utility model proposes a high-definition and impact-resistant membrane switch with a PC tape optical glue attached to the window area. The membrane switch is composed of, from top to bottom: a panel 1, a surface key layer 2, a light guide film layer 3, a thickening layer 4, a thickening layer glue 5, a fixing layer 6, a wire key layer 7, a circuit layer 8, and a bottom glue layer 9, wherein the bottom glue layer 9 is attached to the back of the circuit layer 8.
[0034] The panel is provided with a window area 102 and a convex area 101 , and optical glue is provided below the window area, and the optical glue is adhered to the PC plastic.
[0035] The window area is attached with PC with optical glue. The high-definition and impact-resistant membrane switch also includes a waterproof frame. The waterproof frame is arranged around the entire window area. Figure 1The thickest parts on both sides; PC plastic is located inside the waterproof frame.
[0036] The light-guiding film layer 3 includes a light-guiding film carrier 301 and a light-guiding film 302 fixed on the light-guiding film carrier. In the specific implementation process, the design of the light-guiding film layer 3 in the utility model enables the utility model to emit light from the front, and the waterproof frame 12 can be a waterproof frame made of transparent material. If it is a waterproof frame made of transparent material, the setting of the waterproof frame 12 enables the utility model to emit light from the side.
[0037] The utility model is provided with a surface key layer hole on the surface key layer; a thickening layer hole on the thickening layer; a thickening layer glue hole on the thickening layer; a pressure seam for releasing pressure is provided on the fixing layer, and a wire key layer hole is provided on the wire key layer; Figure 1 As shown, in the specific implementation process, the convex hull 101, the surface key layer hole 201, the light guide film 302, the thickening layer hole 401, the thickening layer glue hole 501, the pressure seam 601, the wire key layer hole 701, and the metal spring 10 in the utility model are located at the same vertical position; the circuit layer is fixed with an LED lamp 14, and the LED lamp 14 passes through the wire key layer, the fixed layer, the thickening layer glue, the thickening layer, and the light guide film layer. In the specific implementation process, the uppermost end of the LED lamp 14 in the utility model is flush with the light guide film layer 3 or slightly lower than the light guide film layer 3.
[0038] In the specific implementation process, Figure 1 As shown, on the front part of the circuit layer 8, a metal spring 10 is arranged on part of the conductive ink 11. The circuit layer 8 of the utility model is provided with multiple conductive inks on both the front and back sides, and the circuit layer 8 is provided with a front circuit 801 and a back circuit 802. Figure 1 .
[0039] In the specific implementation process of the utility model, a pressure seam for releasing pressure is provided on the fixed layer. The pressure seam 601 can be in a "U" shape, a "cross" shape, an "eight" shape, or a "C" shape, and can also be in other shapes in the specific implementation process.
[0040] like Figure 1 As shown, in the specific implementation process, the panel in the utility model can be PET plastic, with a thickness range of 0.15-0.25mm, a height range of convex hulls of 0.2-0.5mm, a thickness range of the face key layer of 0.2-0.5mm, and a thickness range of the circuit layer of 0.2-0.5mm; a thickness range of the base glue layer of 0.05-0.1mm, and a finger reinforcement structure 13 is attached to the back of the circuit layer. The thickness range of the finger reinforcement structure is 0.05-0.08mm, and the thickness range of the conductive ink 11 is 4-8um. The above parameters are selected according to the specific requirements, and other parameters can also be selected in the specific implementation process.
[0041] In the specific implementation process, the light guide film layer 3 in the utility model is PC or PET or other materials.
[0042] The panel of the utility model can be PET plastic, the above PET plastic (abbreviation of Polyethyleneterephthalate in English, PET or PETP for short; the corresponding Chinese is: Polyterephthalate plastic.)
[0043] The panel of the utility model is provided with a window area, and optical glue is provided below the window area. The optical glue is attached to the PC plastic. Such a combined structure enables the utility model to have a clear optical effect.
[0044] The utility model arranges the light guide film on the light guide film carrier, so that the utility model can achieve a uniform surface luminous effect, and does not need to separately design a backlight module.
[0045] The fixing layer of the utility model is provided with a pressure seam for releasing pressure, so that the hand contact part of the switch has a good touch.
[0046] The utility model is provided with a waterproof frame and has good waterproof performance.
[0047] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area, characterized in that: The window area is affixed with PC with optical glue, and the high-definition and impact-resistant membrane switch is composed of the following from top to bottom: panel, surface key layer, light guide film layer, thickening layer, thickening layer glue, fixing layer, wire key layer, circuit layer, and bottom glue layer; The panel is provided with a window area and a convex area, an optical glue is provided under the window area, the optical glue is attached to the PC plastic, and the window area is attached with PC. The high-definition and impact-resistant membrane switch with optical glue also includes a waterproof frame, which is arranged around the entire window area; the PC plastic is located inside the waterproof frame; The light-guiding film layer comprises a light-guiding film carrier and a light-guiding film fixed on the light-guiding film carrier; The surface key layer is provided with a surface key layer hole; the thickening layer is provided with a thickening layer hole; the thickening layer glue is provided with a thickening layer glue hole; the fixed layer is provided with a pressure seam for releasing pressure, and the wire key layer is provided with a wire key layer hole; The convex hull, the surface key layer hole, the light guide film, the thickened layer hole, the thickened layer glue hole, the pressure seam, the line key layer hole, and the metal spring are located at the same vertical position; An LED lamp is fixed on the circuit layer, and the LED lamp passes through the wire bond layer, the fixing layer, the thickening layer glue, the thickening layer, and the light guide film layer; the bottom glue layer is attached to the back of the circuit layer.
2. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: There are multiple conductive inks on both the front and back sides of the circuit layer.
3. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: The fixing layer is provided with a pressure seam for releasing pressure.
4. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 3, characterized in that: The pressure joint is in the shape of "U", "X", "Eight", or "C".
5. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: The uppermost end of the LED lamp is flush with the light guide film layer or slightly lower than the light guide film layer.
6. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: A front side circuit and a back side circuit are arranged on the circuit layer, and a metal spring is arranged on a part of the conductor circuit of the front side circuit.
7. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: The height range of the convex hull is: 0.2-0.5mm, and the thickness range of the surface key layer is: 0.2-0.5mm.
8. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: The thickness range of the circuit layer is: 0.2-0.5mm; the thickness range of the base glue layer is: 0.05-0.1mm.
9. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 1, characterized in that: The back of the circuit layer has a finger reinforcement structure.
10. The high-definition and impact-resistant membrane switch with PC tape optical adhesive on the window area according to claim 9, characterized in that: The thickness of the finger reinforcement structure ranges from 0.05 to 0.08 mm.