Double-layer circuit membrane switch with LED
By adopting a double-layer line layout and shrapnel design in the film switch, the LED light indicator function and key touch in limited space are solved, and the LED light indicator and key touch is improved, satisfying the user interface facing the feel and appearance effect high requirements.
Patent Information
- Application Number
- CN202420838482.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-22
AI Technical Summary
It is difficult for existing film switches to realize the LED light indication function in a limited space, and the keys feel average, which cannot meet the high requirements of user interface design for hand feeling and appearance effects.
Adopt a double-layer line layout, by setting key convex hulls and gaskets on the panel, combining large and small shrapnel designs, the LED light indicator function and enhance the touch of the keys. The LED light indicator and the LED light indicator in a limited space are realized using double-layer lines. Touch effect of the buttons.
The LED light indicator function is effectively realized in a limited space, and the touch effect of the switch is enhanced through the gasket and shrapnel design, making the hand feel more uniform and comfortable.
Smart Images
Figure CN222190550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a thin-touch switch, in particular to a double-layer circuit membrane switch with LED which realizes the indicating function of an LED lamp by using two layers of circuits in a limited space and has good touch of a key. 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. When realizing the indication function of LED lights in a limited space, the area of the panel is too large.
[0004] 2. The touch of the buttons is average. Utility Model Content
[0005] In view of the above problems, the main purpose of the utility model is to provide a double-layer circuit membrane switch with LED, which realizes the indication function of LED light by using two layers of circuits in a limited space and has good touch of keys.
[0006] The utility model solves the above technical problems through the following technical solutions: a double-layer circuit membrane switch with LED, wherein the double-layer circuit membrane switch with LED is composed of, from top to bottom: a panel, a surface key layer, a light guide film layer, a fixed glue layer, a fixed layer, a wire key layer, a lower circuit layer, an LED wire key layer, an LED circuit layer, a bottom glue layer, and release paper; an upwardly protruding spring is arranged on the lower circuit layer, and a key convex bump is arranged on the surface of the panel.
[0007] The surface key layer, the fixed glue layer, the fixed layer and the wire key layer are respectively provided with surface key layer holes, fixed glue layer holes, fixed layer holes and wire key layer holes.
[0008] The key convex hull, the surface key layer hole, the fixed glue layer hole, the fixed layer hole, the wire key layer hole and the raised spring piece are located at the same vertical position.
[0009] Window avoidance holes are arranged at the same vertical position of the panel, surface key layer, light guide film layer, fixed adhesive layer, fixed layer, wire key layer, lower circuit layer, LED wire key layer, LED circuit layer, bottom adhesive layer and release paper.
[0010] An LED lamp is fixed on the LED circuit layer, and the LED lamp passes through the LED wire bond layer, the lower circuit layer, the wire bond layer, the fixing layer, the fixing glue layer, the light guide film layer, and the surface bond layer.
[0011] In a specific implementation example of the present utility model, a gasket is arranged in the wire bond layer hole, and the gasket is located directly above the spring sheet.
[0012] In a specific implementation example of the present utility model, the height range of the gasket is: 0.1mm-0.2mm.
[0013] In a specific implementation example of the utility model, the diameter range of the window avoidance hole is: 0.5-1mm.
[0014] In a specific implementation example of the present utility model, the height range of the button convex hull is: 0.2mm-0.4mm.
[0015] In a specific implementation example of the present utility model, an LED lamp protrusion is arranged at a vertical position corresponding to the LED lamp on the panel.
[0016] The positive progress of the utility model is that the double-layer circuit membrane switch with LED proposed by the utility model adopts a double-layer circuit layout, and realizes the indication function of the LED light by using two layers of circuits in a limited space; the utility model has a gasket under the button convex package, so that the hand contact part of the switch has a good touch. On the basis of the gasket, the middle button uses a large spring sheet and the surrounding buttons use small spring sheets, so that the hand touch is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the interlayer structure of the utility model.
[0018] Figure 2 for Figure 1 A partial enlarged view of .
[0019] Figure 3 It is a schematic diagram of the button layout in the utility model.
[0020] Figure 4 It is a schematic diagram of the circuit layout of the utility model.
[0021] Figure 5 It is the overall structural plan view of the utility model.
[0022] The following are the names corresponding to the label numbers in this utility model:
[0023] Panel 1, surface key layer 2, light guide film layer 3, fixed glue layer 4, fixed layer 5, wire key layer 6, lower circuit layer 7, LED wire key layer 8, LED circuit layer 9, bottom glue layer 10, release paper 11, raised spring piece 12, key convex bump 13, LED lamp 14, LED lamp protrusion 15, window avoidance hole 16, gasket 17, window 18, large spring piece 19, small spring piece 20; surface key layer hole 201, fixed glue layer hole 401, fixed layer hole 501, wire key layer hole 601. DETAILED DESCRIPTION
[0024] 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.
[0025] Figure 1 It is a schematic diagram of the structure of the interlayer structure of the utility model. Figure 2 for Figure 1 A partial enlarged view of Figure 4 It is a schematic diagram of the circuit layout of the utility model, such as Figure 1 , 2 4: A double-layer circuit membrane switch with LED proposed by the utility model, 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 fixed glue layer 4, a fixed layer 5, a wire key layer 6, a lower circuit layer 7, an LED wire key layer 8, an LED circuit layer 9, a bottom glue layer 10, and a release paper 11. The lower circuit layer 7 is provided with an upwardly protruding spring piece 12, and the surface of the panel 1 is provided with a key convex bump 13.
[0026] The surface bond layer 2, the fixed adhesive layer 4, the fixed layer 5 and the wire bond layer 6 are respectively provided with a surface bond layer hole 201, a fixed adhesive layer hole 401, a fixed layer hole 501 and a wire bond layer hole 601.
[0027] The key convex bump 13, the surface key layer hole 201, the fixed glue layer hole 401, the fixed layer hole 501, the wire key layer hole 601, and the raised spring piece 12 are located at the same vertical position.
[0028] The panel 1, the surface key layer 2, the light guide film layer 3, the fixed adhesive layer 4, the fixed layer 5, the wire bond layer 6, the lower circuit layer 7, the LED wire bond layer 8, the LED circuit layer 9, the bottom adhesive layer 10 and the release paper 11 are all provided with a window avoidance hole 16 at the same vertical position, and a window 18 provided on the panel 1 is located above the window avoidance hole 16.
[0029] An LED lamp 14 is fixed on the LED circuit layer 9 , and the LED lamp passes through the LED wire bond layer, the lower circuit layer 7 , the wire bond layer 6 , the fixing layer 5 , the fixing adhesive layer 4 , the light guide film layer 3 , and the surface bond layer 2 .
[0030] In the utility model, a gasket 17 is arranged in the wire bond layer hole, and the gasket 17 is located just above the spring sheet 12 .
[0031] In the specific implementation process, the height range of the gasket in the utility model is: 0.1mm-0.2mm; the diameter range of the window avoidance hole is: 0.5-1mm, and the height range of the button convex bump 13 is: 0.2mm-0.4mm. The above parameters are selected according to specific requirements. In the specific implementation process, other parameters can also be selected. In the utility model, an LED lamp protrusion 15 is set at the vertical position corresponding to the LED lamp on the panel 1.
[0032] The double-layer circuit layout of the utility model realizes the indication function of the LED lamp by using two layers of circuits in a limited space; a gasket is provided below the button convex bump 13 of the utility model, so that the hand contact part of the switch has a good touch.
[0033] Figure 3 Schematic diagram of the button layout in the utility model, such as Figure 3 Shown: On the basis of the gasket, Figure 3 The circuit design diagram for placing shrapnel is characterized in that a large shrapnel 19 is used for the middle button, for example, the diameter is 10MM, and small shrapnel 20 is used around, for example, the diameter of the shrapnel is 8MM, so that the touch of the hand is more uniform.
[0034] 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 double-layer circuit membrane switch with LED, characterized in that: The double-layer circuit membrane switch with LED is composed of: panel, surface key layer, light guide film layer, fixed glue layer, fixed layer, wire key layer, lower circuit layer, LED wire key layer, LED circuit layer, bottom glue layer, release paper from top to bottom. The lower circuit layer is provided with an upwardly protruding spring, and the surface of the panel is provided with a button convex bump. The surface key layer, the fixed glue layer, the fixed layer and the wire key layer are respectively provided with surface key layer holes, fixed glue layer holes, fixed layer holes and wire key layer holes; The button convex hull, the surface key layer hole, the fixed glue layer hole, the fixed layer hole, the wire key layer hole, and the raised spring piece are located at the same vertical position; The panel, the surface key layer, the light guide film layer, the fixed adhesive layer, the fixed layer, the wire key layer, the lower circuit layer, the LED wire key layer, the LED circuit layer, the bottom adhesive layer, and the release paper are all provided with a window avoidance hole at the same vertical position; An LED lamp is fixed on the LED circuit layer, and the LED lamp passes through the LED wire bond layer, the lower circuit layer, the wire bond layer, the fixing layer, the fixing glue layer, the light guide film layer, and the surface bond layer.
2. The double-layer circuit membrane switch with LED according to claim 1, characterized in that: A gasket is arranged in the wire bond layer hole, and the gasket is located just above the spring sheet.
3. The double-layer circuit membrane switch with LED according to claim 1, characterized in that: The height range of the gasket is: 0.1mm-0.2mm.
4. The double-layer circuit membrane switch with LED according to claim 1, characterized in that: The diameter range of the window avoidance hole is: 0.5-1mm.
5. The double-layer circuit membrane switch with LED according to claim 1, characterized in that: The height range of the button convex hull is: 0.2mm-0.4mm.
6. The double-layer circuit membrane switch with LED according to claim 1, characterized in that: An LED lamp protrusion is arranged at a vertical position corresponding to the LED lamp on the panel.