TWM648897U - See-through button module - Google Patents

Abstract

A see-through button module includes a plurality of keycaps, an elastic element, a switch circuit and a bottom plate. The elastic element includes a plurality of bearing parts, a plurality of side walls and a bottom, wherein each bearing part is connected with a keycap. The side wall is located between the bearing part and the bottom. The bottom has a connection area and a peripheral area, and a plurality of side walls are located in the connection area. The peripheral area surrounds the connection area. The bottom is provided with at least one positioning groove in the peripheral area. The switch circuit is arranged under the elastic element. The bottom plate is arranged below the switch circuit. The bottom plate has at least one hook, and the hook can pass through the switch circuit upwards and be placed in the positioning groove, so as to fix the switch circuit between the elastic element and the bottom plate.

Description

See-through button module

This invention relates to a see-through button module and a control device using the see-through button module. In the control device, the see-through button module structure is disposed above a display panel to provide the feel of pressing a physical button, while also allowing the graphics and text images of the display panel to be fully revealed.

The see-through button module used in the existing control device is composed of multiple layers of components. However, the thickness of the components in each layer is not consistent, and it is easy to dent when pressed, making the pressing action unreliable. In addition, the dented components also cause It will cause interference patterns on the display panel below, and even cause damage to the display components, so an improved design is urgently needed.

In addition, there is a lack of alignment design between the various layers of components in the see-through button module, resulting in offsets during assembly, which in turn cannot be aligned with the graphics and images generated by the display panel, affecting the user's ability to control the device. Operation experience and evaluation, and this lack also needs to be solved by the industry.

In view of the above-mentioned deficiencies in the prior art, the present invention provides a see-through button module. This see-through button module is provided with a base plate between the switch circuit and the display panel. In addition to being able to In addition to supporting the switch circuit below so that it can be triggered smoothly without causing dents, the hook on the bottom plate can also be matched with the positioning groove of the elastic element to sandwich the contact film layer and switch circuit to complete the alignment. Bit. Furthermore, the elastic element, the contact film layer and the switch circuit can also be sandwiched and fixed between the surface cover and the bottom plate to complete the assembly of the entire see-through key module.

According to an embodiment of the invention, a see-through key module is provided. The see-through key module includes a plurality of keycaps, an elastic component and a base plate. The elastic element includes a plurality of bearing parts, a plurality of side walls and a bottom, wherein each bearing part is connected to a keycap. The side walls are located between the load-bearing part and the bottom. The bottom has a connection area and a peripheral area, a plurality of side walls are located in the connection area, and the peripheral area surrounds the connection area. The bottom is provided with at least one positioning groove in the peripheral area. The switch circuit is arranged below the elastic element. The bottom plate is arranged below the switch circuit. The bottom plate has at least one hook. The hook can pass upward through the switch circuit and be placed in the positioning groove to fix the switch circuit between the elastic element and the bottom plate.

In some embodiments of the present invention, the bearing part, the corresponding side walls and the bottom form a crater structure from top to bottom, and the center of the crater structure is a cavity.

In some embodiments of the present invention, the cavity has a first opening and a second opening. The first opening and the second opening are located at opposite ends. The first opening is adjacent to the keycap, and the second opening is adjacent to the switch circuit.

In some embodiments of the present invention, the switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, a plurality of light-transmitting openings and a bottom surface. The plurality of light-transmitting openings of the upper film layer The opening connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, a plurality of light-transmitting openings and a bottom surface. The plurality of light-transmitting openings of the lower film layer The light opening connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer for separation. The upper film layer and the lower film layer. The upper film layer further includes a circuit contact. The circuit contact of the upper film layer is formed on the bottom surface of the upper film layer. The lower film layer further includes a circuit contact. The circuit contact of the lower film layer is The circuit contacts are formed on the top surface of the lower film layer, the circuit contacts of the upper film layer and the circuit contacts of the lower film layer overlap in the vertical direction, and the circuit contacts of the upper film layer overlap with the circuit contacts of the lower film layer The contacts are separated by spacers. The circuit contacts of the upper film layer are adjacent to the light-transmitting openings of the upper film layer. The circuit contacts of the lower film layer are adjacent to the light-transmitting openings of the lower film layer. The light-transmitting openings of the upper film layer are adjacent to each other. The range is smaller than the range of the second opening of the crater structure. The range of the light-transmitting opening of the lower film layer is smaller than the range of the second opening of the crater structure. The bearing part or the keycap can pass downward through the second opening of the crater structure. Press the upper film layer so that the circuit contacts of the upper film layer contact the circuit contacts of the lower film layer.

In some embodiments of the present invention, the base plate includes a top surface, a plurality of light-transmitting openings and a bottom surface. The top surface of the base plate faces the downward film layer, and the plurality of light-transmitting openings of the base plate connects the top surface of the base plate and the bottom surface of the base plate. , the range of the light-transmitting opening of the bottom plate is less than or equal to the range of the light-transmitting opening of the lower film layer, and in the vertical direction, the light-transmitting opening of the bottom plate is aligned with the light-transmitting opening of the lower film layer, so that the circuit contacts of the upper film layer are triggered to When connecting the circuits of the lower film layer, the top surface of the bottom plate supports the lower film layer.

In some embodiments of the present invention, the switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, at least a first positioning hole and a bottom surface. The first positioning of the upper film layer The hole connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, at least one first positioning hole and a bottom surface. The first surface of the lower film layer The positioning hole connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer for separation. The hooks of the upper film layer, the lower film layer, and the bottom plate upwardly pass through the first positioning hole of the lower film layer and the first positioning hole of the upper film layer in sequence and then are placed in the positioning groove.

In some embodiments of the present invention, the number of positioning slots is two, and the two positioning slots are located at opposite ends of the peripheral area. The number of hooks is two, and the two hooks are located at opposite ends of the base plate. The switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, two first positioning holes and a bottom surface. The first positioning hole of the upper film layer is connected to the top surface of the upper film layer and superior The bottom surface of the film layer, the bottom surface of the upper film layer faces the lower film layer, the lower film layer includes a top surface, two first positioning holes and a bottom surface, the first positioning hole of the lower film layer is connected to the top surface of the lower film layer and The bottom surface of the lower film layer and the top surface of the lower film layer face the upper film layer. The spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer. The two hooks pass upward through the two first positioning holes of the lower film layer and the two first positioning holes of the upper film layer and then are placed in the two positioning grooves.

In some embodiments of the present invention, the see-through key module further includes a cover. The cover is disposed above the connection area. The cover has a connection frame and a plurality of openings. Each opening corresponds to a keycap. The keycap It can be exposed to the outside from the opening of the face cover. The connecting frame has a top surface and a bottom surface. A plurality of openings connect the top surface and the bottom surface. The face cover further includes at least one protruding column extending downward from the bottom surface of the connecting frame. .

In some embodiments of the invention, the connection area of the elastic element has at least one positioning hole, the switch circuit includes an upper film layer, a spacer and a lower film layer, the upper film layer includes a top surface and at least a second positioning hole and a bottom surface. The second positioning hole of the upper film layer is connected to the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface and at least a second positioning hole. hole and a bottom surface. The second positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is arranged on the bottom surface of the upper film layer and the lower surface of the lower film layer. The top surfaces of the film layers are used to separate the upper film layer and the lower film layer. The bottom plate includes a top surface, at least one positioning hole and a bottom surface. The top surface of the bottom plate faces the lower film layer, and the positioning holes of the bottom plate are connected to the bottom surface. On the top surface and the bottom surface of the bottom plate, the protruding pillars of the surface cover pass downward through the positioning holes in the connection area of the elastic element, the second positioning holes in the upper film layer, and the second positioning holes in the lower film layer and then extend into the bottom plate. The positioning hole is used to sandwich the elastic component and the switch circuit between the cover and the bottom plate.

In some embodiments of the present invention, the see-through key module further includes a sealant formed around the protruding pillar extending into the positioning hole of the base plate.

In some embodiments of the present invention, the protruding pillar extending into the positioning hole of the bottom plate can form a rivet head through a riveting process.

According to an implementation of the present invention, a see-through key module is provided. The see-through key module includes a plurality of keycaps, an elastic element, a contact film layer, a switch circuit and a base plate. The elastic element includes a plurality of bearing parts, a plurality of side walls and a bottom, wherein each bearing part is connected to a keycap. The side walls are located between the load-bearing part and the bottom. The bottom has a connection area and a peripheral area, a plurality of side walls are located in the connection area, the peripheral area surrounds the connection area, and the bottom is provided with at least one positioning groove in the peripheral area. The contact film layer is arranged below the elastic element. The switch circuit is arranged below the contact film layer. The bottom plate is arranged below the switch circuit. The bottom plate has at least one hook. The hook can pass upward through the switch circuit and the contact film layer in order and then be placed in the positioning groove to fix the contact film layer and the switch circuit on the elastic between the component and the base plate.

In some embodiments of the invention, the bearing part, the corresponding side walls and the bottom form a crater structure from top to bottom. The center of the crater structure is a cavity, and the cavity has a first opening and a second opening. The first opening and the second opening are located at opposite ends, the first opening is adjacent to the keycap, and the second opening is adjacent to the contact film layer.

In some embodiments of the present invention, the contact film layer includes a top surface, a plurality of light-transmitting openings, a bottom surface, and at least one protruding structure. The protruding structure of the contact film layer is formed on the top surface of the contact film layer. on, and the protruding structure of the contact film layer is adjacent to the light-transmitting opening, and the plurality of light-transmitting openings of the contact film layer connects the top surface of the contact film layer and the bottom surface of the contact film layer, and the bottom surface of the contact film layer faces On the upper film layer, the switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, a plurality of light-transmitting openings and a bottom surface. The plurality of light-transmitting openings of the upper film layer are connected to the upper film layer. The top surface of the upper film layer and the bottom surface of the upper film layer, the bottom surface of the upper film layer faces the lower film layer, the lower film layer includes a top surface, a plurality of light-transmitting openings and a bottom surface, and the plurality of light-transmitting openings of the lower film layer are connected to the lower film The top surface of the layer and the bottom surface of the lower film layer, the top surface of the lower film layer faces the upper film layer, and the spacer is arranged on the upper film layer between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer. The upper film layer further includes a circuit contact. The circuit contact of the upper film layer is formed on the bottom surface of the upper film layer. The lower film layer The layer further includes a circuit contact, the circuit contact of the lower film layer is formed on the top surface of the lower film layer, the protruding structure of the contact film layer, the circuit contact of the upper film layer and the circuit contact of the lower film layer are vertically There is some overlap in the direction, and the circuit contacts of the upper film layer and the circuit contacts of the lower film layer are separated by spacers. The circuit contacts of the upper film layer are adjacent to the light-transmitting openings of the upper film layer, and the circuit contacts of the lower film layer The line contacts are adjacent to the light-transmitting opening of the lower film layer, the range of the light-transmitting opening of the contact film layer is smaller than the range of the second opening of the crater structure, and the range of the light-transmitting opening of the upper film layer is smaller than the range of the second opening of the crater structure. The range of the opening, the range of the light-transmitting opening of the lower film layer is smaller than the range of the second opening of the crater structure, and the bearing part or the keycap can pass downward through the second opening of the crater structure and then be pressed to the protrusion of the contact film layer. The protruding structure then presses the upper film layer, causing the circuit contacts of the upper film layer to contact the circuit contacts of the lower film layer.

In some embodiments of the present invention, the base plate includes a top surface, a plurality of light-transmitting openings and a bottom surface. The top surface of the base plate faces the downward film layer, and the plurality of light-transmitting openings of the base plate connects the top surface of the base plate and the bottom surface of the base plate. , the range of the light-transmitting opening of the bottom plate is less than or equal to the range of the light-transmitting opening of the lower film layer, and in the vertical direction, the light-transmitting opening of the bottom plate is aligned with the light-transmitting opening of the lower film layer, so that the circuit contacts of the upper film layer are triggered to When connecting the circuits of the lower film layer, the top surface of the bottom plate supports the lower film layer.

In some embodiments of the present invention, the contact film layer includes a top surface, at least one first positioning hole, a bottom surface, and at least one protruding structure. The protruding structure of the contact film layer is formed on the top surface of the contact film layer. On the surface, at least one first positioning hole of the contact film layer connects the top surface of the contact film layer and the bottom surface of the contact film layer. The bottom surface of the contact film layer faces the upper film layer. The switch circuit includes an upper film layer, A spacer and a lower film layer. The upper film layer includes a top surface, at least one first positioning hole and a bottom surface. The first positioning hole of the upper film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer. The upper film layer The bottom surface of the layer faces the lower film layer. The lower film layer includes a top surface, at least one first positioning hole and a bottom surface. The first positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the film layer Facing the upper film layer, the spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer. The hooks of the bottom plate pass upward sequentially through the first part of the lower film layer. The positioning hole, the first positioning hole of the upper film layer and the first positioning hole of the contact film layer are then placed in the positioning groove.

In some embodiments of the present invention, the number of positioning slots is two, and the two positioning slots are located at opposite ends of the peripheral area. The number of hooks is two, and the two hooks are located at opposite ends of the base plate. The contact film layer includes a top surface, two first positioning holes, a bottom surface and at least one protruding structure. The protruding structure of the contact film layer is formed on the top surface of the contact film layer. A positioning hole connects the top surface of the contact film layer and the bottom surface of the contact film layer. The bottom surface of the contact film layer faces the upper film layer. The switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer It includes a top surface, two first positioning holes and a bottom surface. The first positioning hole of the upper film layer is connected to the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The layer includes a top surface, two first positioning holes and a bottom surface. The first positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer. The two hooks of the bottom plate pass upward sequentially through the two first positions of the lower film layer. The hole, the two first positioning holes of the upper film layer and the two first positioning holes of the contact film layer are then placed in the two positioning grooves.

In some embodiments of the present invention, the see-through key module further includes a cover. The cover is disposed above the connection area. The cover has a connection frame and a plurality of openings. Each opening corresponds to a keycap. The keycap It can be exposed to the outside from the opening of the face cover. The connecting frame has a top surface and a bottom surface. A plurality of openings connect the top surface and the bottom surface. The face cover further includes at least one protruding column extending downward from the bottom surface of the connecting frame. .

In some embodiments of the present invention, the connection area of the elastic element has at least one positioning hole, the contact film layer includes a top surface, at least a second positioning hole, a bottom surface and at least one protruding structure, and the contact film layer The protruding structure is formed on the top surface of the contact film layer, and at least one second positioning hole of the contact film layer Connecting the top surface of the contact film layer and the bottom surface of the contact film layer, the bottom surface of the contact film layer faces the upper film layer, the switch circuit includes an upper film layer, a spacer and a lower film layer, the upper film layer includes a top surface, at least one second positioning hole and a bottom surface. The second positioning hole of the upper film layer is connected to the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a The top surface, at least one second positioning hole and a bottom surface, the second positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer, the top surface of the lower film layer faces the upper film layer, and the spacer is provided Between the bottom surface of the upper film layer and the top surface of the lower film layer, it is used to separate the upper film layer and the lower film layer. The bottom plate includes a top surface, at least one positioning hole and a bottom surface. The top surface of the bottom plate faces the lower film layer. , the positioning hole of the base plate connects the top surface of the base plate and the bottom surface of the base plate, and the protruding pillars of the surface cover pass downward through the positioning holes of the connection area of the elastic element, the second positioning hole of the contact film layer, and the upper film layer. The second positioning hole and the second positioning hole of the lower film layer extend into the positioning hole of the bottom plate to sandwich the elastic element, the contact film layer and the switch circuit between the cover and the bottom plate.

In some embodiments of the present invention, the see-through key module further includes a sealant formed around the protruding pillar extending into the second opening of the base plate.

In some embodiments of the present invention, the protruding pillar extending into the second opening of the bottom plate can form a rivet head through a riveting process.

1: Control device

2: Shell

3: See-through button module

31:Face cover

311: Connection box

3111:Top surface

3112: Bottom surface

312:Open your mouth

313:Protruding pillar

314:Sealing glue

315:Rivet head

32:Keycap

321: Pressing surface

322:Side wall

323: Bottom surface

33: Elastic element

331: Bearing part

332:Side wall

333:Bottom

3331:Connection area

33311: Positioning hole

3332:Peripheral area

3333: Positioning slot

33331:Open your mouth

334: Crater structure

3341:Cavity

3342:First opening

3343:Second opening

34: Contact film layer

341:Top surface

342:Light-transmitting opening

343: Bottom surface

344:Protruding structure

345: First positioning hole

346: Second positioning hole

35:Switch circuit

351: Upper film layer

3511:Top surface

3512:Light-transmitting opening

3513: Bottom surface

3514:Line contact

3515: First positioning hole

3516: Second positioning hole

352: Spacer

353: Lower film layer

3531:Top surface

3532:Light-transmitting opening

3533: Bottom surface

3534:Line contact

3535: First positioning hole

3536: Second positioning hole

36: Bottom plate

361:Top surface

362:Light-transmitting opening

363: Bottom

364: Hook

365: Positioning hole

4:Display panel

41:Sub display area

42:Background area

43: Graphics, text and images

44: Non-graphic images

Figure 1 is a perspective view of a control device provided according to the first embodiment of the present invention.

Figure 2 is an exploded view of the control device of Figure 1.

Figure 3 is an exploded view of a see-through button module in the control device of Figure 2.

FIG. 4 is an enlarged partial cross-sectional view of the see-through key module in the control device of FIG. 2 taken along the A-A section line.

FIG. 5 is a perspective view of the key module in the control device of FIG. 2 from another perspective.

FIG. 6 is a perspective view of the see-through key module in FIG. 3 from another perspective.

Figure 7 is a perspective view of the keycap and the elastic element in the see-through key module of Figure 3 from another perspective.

FIG. 8 is a perspective view of the contact film layer in the see-through key module of FIG. 3 .

Figure 9 is an exploded view of the switch circuit in the see-through button module of Figure 3.

Figure 10 is a perspective view of the base plate of the see-through key module of Figure 3.

Figure 11 is a cross-sectional view of the see-through key module in the control device of Figure 2, taken along the B-B section line.

Figure 12 is a partially enlarged schematic diagram of Figure 11.

Figure 13 is a cross-sectional view of the see-through key module in the control device of Figure 2, taken along the C-C section line.

Figure 14 is a partially enlarged schematic diagram of Figure 13.

Figure 15 is a schematic diagram showing the use of sealant to fix the protrusions of the cover in the positioning holes of the bottom plate.

FIG. 16 is a schematic diagram showing the rivet head formed by the riveting process on the protruding pillars of the cover.

The following examples are provided for detailed description. The examples are only used as examples and will not limit the scope of the present invention. In addition, the drawings in the embodiments omit components that are unnecessary or can be completed with common techniques to clearly demonstrate the technical features of the present invention.

This invention provides a see-through button module and a control device using the see-through button module.

Please refer to Figure 1 to Figure 14. According to the first embodiment of the present invention, a control device 1 is provided. The control device 1 can be a live broadcast controller, an ordering machine, an audio-visual streaming controller, an image editing controller, a peripheral device controller, a shortcut key controller, etc. .

The control device 1 includes a housing 2, a see-through button module 3, and a display panel 4. The see-through key module 3 and the display panel 4 can be accommodated in the housing 2 . The control device 1 may also be provided with a processor, a signal processing device, a communication interface, etc., which communicate and connect signals with the see-through key module 3 and the display panel 4 .

The see-through key module 3 includes a cover 31 , a plurality of keycaps 32 , an elastic element 33 , a contact film layer 34 , a switch circuit 35 and a base plate 36 .

The cover 31 has a connecting frame 311 and a plurality of openings 312, where each opening 312 corresponds to a keycap 32, and the keycap 32 can be exposed through the opening 312. The connection frame 311 has a top surface 3111 and a bottom surface 3112, and the opening 312 connects the top surface 3111 and the bottom surface 3112. In addition, the cover includes at least one protruding column 313 extending downward from the bottom surface 3112 of the connecting frame 311 .

The keycap 32 has a pressing surface 321 , a side wall 322 and a bottom surface 323 . The side wall 322 is located between the pressing surface 321 and the bottom surface 323 . The keycap 32 is a light-transmissive keycap, such as fully transparent or translucent. Therefore, the light generated by the display panel 4, such as graphics and text images, can directly penetrate upward through the keycap 32 and be visible to the user.

The elastic element 33 has elasticity and is used to provide the elastic force for the keycap 32 to reciprocate up and down.

The elastic element 33 includes a plurality of bearing parts 331 , a plurality of side walls 332 , and a bottom 333 . Each carrying portion 331 is connected to a keycap 32, for example, connected and fixed with the side wall 322 or other parts of the keycap 32.

The side wall 332 is located between the carrying portion 331 and the bottom 333 . The bottom 333 has a connection area 3331 and a peripheral area 3332. A plurality of side walls are located in the connection area 3331, and the peripheral area 3332 surrounds the connection area 3331. The bottom 333 is provided with at least one positioning hole 33311 in the connection area 3331. Bottom 333 At least one positioning groove 3333 is provided in the peripheral area 3332, and the opening 33331 of the positioning groove 3333 faces downwardly toward the bottom plate 36.

The bearing portion 331 of the elastic element 33, the corresponding side wall 332 and the bottom 333 form a crater structure 334 from top to bottom. The center of the crater structure 334 is a cavity 3341. The cavity 3341 has a first opening 3342 and a second opening 3343. The first opening 3342 and the second opening 3343 are located at opposite ends. The first opening 3342 is adjacent to the keycap 32 and is surrounded by the bearing portion 331. Two openings 3343 are formed by the bottom 333 adjacent to the lower contact film layer 34 and the switch circuit 35 .

The contact film layer 34 is disposed below the elastic element 33 . The contact film layer 34 includes a top surface 341, a plurality of light-transmitting openings 342, a bottom surface 343, at least one protruding structure 344, at least one first positioning hole 345 and at least one second positioning hole 346. The protruding structure 344 is formed on the top surface 341 as a pressing contact, and the protruding structure 344 is adjacent to the light-transmitting opening 342 . The light-transmitting opening 342, the first positioning hole 345 and the second positioning hole 346 connect the top surface 341 and the bottom surface 343. The bottom surface 343 of the contact film layer 34 faces the upper film layer 351 of the switching circuit 35 .

The switch circuit 35 is disposed below the elastic element 33 and the contact film layer 34 . The switch circuit 35 includes an upper film layer 351, a spacer 352 and a lower film layer 353.

The upper film layer 351 includes a top surface 3511, a plurality of light-transmitting openings 3512, a bottom surface 3513, at least one first positioning hole 3515 and at least one second positioning hole 3516. The light-transmitting opening 3512, the first positioning hole 3515 and the second positioning hole 3516 connect the top surface 3511 and the bottom surface 3513. The bottom surface 3513 of the upper film layer 351 faces the lower film layer 353 . In addition, the upper film layer 351 includes a circuit contact 3514. The circuit contact 3514 is formed on the bottom surface 3513 of the upper film layer 351 and is adjacent to the light-transmitting opening 3512.

The lower film layer 353 includes a top surface 3531, a plurality of light-transmitting openings 3532, a bottom surface 3533, at least one first positioning hole 3535 and at least one second positioning hole 3536. The light-transmitting opening 3532, the first positioning hole 3535 and the second positioning hole 3536 connect the top surface 3531 and the bottom surface 3533. Lower film layer 353 The top surface 3531 is the film layer 351 facing upward. In addition, the lower film layer 353 includes a circuit contact 3534. The circuit contact 3534 is formed on the top surface 3531 of the lower film layer 353 and is adjacent to the light-transmitting opening 3532.

The spacer 352 is disposed between the bottom surface 3513 of the upper film layer 351 and the top surface 3531 of the lower film layer 353 to separate the upper film layer 351 and the lower film layer 353 . The spacer 352 can be made of ink, such as printing ink, thermal baking ink, quick-drying ink or moisture-curable ink, or a spacer film layer, which can be implemented according to the present invention. In addition, the circuit contacts 3514 of the upper film layer 351 and the circuit contacts 3534 of the lower film layer 353 overlap in the vertical direction, and the circuit contacts 3514 of the upper film layer 351 and the circuit contacts 3534 of the lower film layer 353 Can be separated by spacers 352.

Furthermore, the range of the light-transmitting opening 3512 of the upper thin film layer 351 is smaller than the range of the second opening 3343 of the crater structure 334, and the range of the light-transmitting opening 3532 of the lower thin film layer 353 is also smaller than the range of the second opening 3343 of the crater structure 334. range. In this way, when the user presses the keycap 32 downward, the bearing portion 331 of the elastic element 33 or the keycap 32 can pass downward through the second opening 3343 of the crater structure 334 and then press against the contact film layer 34 And the upper film layer 351, so that the circuit contacts 3514 of the upper film layer 351 contact the circuit contacts 3534 of the lower film layer 353. After that, the switch circuit 35 can convert the user's pressing action into a pressing signal and transmit it to the control circuit or the main board of the control device 1 .

The bottom plate 36 is disposed below the switch circuit 35 . The bottom plate 36 includes a top surface 361 , a plurality of light-transmitting openings 362 , a bottom surface 363 , at least one hook 364 and a positioning hole 365 . The top surface of the bottom plate 36 faces the downward film layer 353, and the light-transmitting opening 362 connects the top surface 361 and the bottom surface 363. The material 36 of the bottom plate can be selected from metal or plastic, such as cold-rolled steel plate (SPCC), galvanized steel plate (SECC) or aluminum plate, or polycarbonate (PC), polyester film (Mylar), acrylic cyan Butadiene styrene (ABS) and other plastic boards.

In addition, the range of the light-transmitting opening 362 of the bottom plate 36 is less than or equal to the range of the light-transmitting opening 3532 of the lower film layer 353 , and in the vertical direction, the light-transmitting opening 362 of the bottom plate 36 is aligned with the light-transmitting opening 3532 of the lower film layer 353 . In this way, when the user performs a pressing action, the lines of the upper film layer 351 When the circuit contact point 3514 triggers the circuit contact point 3534 of the lower film layer 353, the top surface 361 of the bottom plate 36 can support the lower film layer 353, so that the pressing action can indeed occur, and due to the protection of the bottom plate 36, the user's pressing action It will not touch or affect the display panel 4 below, thus preventing the display panel 4 from interfering with graphics.

In addition to providing support underneath the switch circuit, the bottom plate 36 provided in this case also has an alignment function. For example, the hook 364 of the bottom plate 36 can pass upward through the switch circuit 35 and the contact film layer 34 and then be inserted into the positioning groove 3333 of the elastic element 33 through the opening 33331 to secure the contact film layer 34 and the switch circuit. 35 is fixed between the elastic element 33 and the bottom plate 36, and can also complete the structural alignment of the four components of the elastic element 33, the contact film layer 34, the switch circuit 35 and the bottom plate 36 at the same time. The design of the bottom plate 36 and the elastic element 33 provided in this embodiment can simplify the originally complicated alignment process between the components of each layer, and of course can speed up the assembly of the entire see-through key module 3 .

Furthermore, the hooks 364 of the bottom plate 36 pass through the first positioning holes 3535 of the lower film layer 353 , the first positioning holes 3515 of the upper film layer 351 and the first positioning holes of the contact film layer 34 in sequence from bottom to top. After the positioning hole 345, the positioning groove 3333 is placed through the opening 33331 of the elastic element 33.

In addition, the number of hooks 364 on the bottom plate 36 may be at least one, or may be more. For example, when the number of hooks 364 is two, the two hooks 364 may be disposed on opposite sides of the bottom plate 36, for example Front and back or left and right sides. Correspondingly, two positioning grooves 3333 of the elastic element 33 will also be provided and arranged on opposite sides of the peripheral area 3332, and the first positioning hole 345 of the contact film layer 34 and the first positioning hole of the upper film layer 351 3515 and the first positioning holes 3535 of the lower film layer 353 will also be provided with two numbers and are provided on opposite sides. The two hooks 364 of the bottom plate 36 can pass through the two first positioning holes 3535 of the lower film layer 353, the two first positioning holes 3515 of the upper film layer 351 and the contact film layer 34 in sequence from bottom to top. The two first positioning holes 345 are then inserted into the two positioning grooves 3333 of the elastic element 33 .

Similarly, the number of hooks 364 on the bottom plate 36 can also be four, and they are arranged on the front and rear sides and the left and right sides of the bottom plate 36 , and the first positioning holes 345 of the contact film layer 34 and the first positioning holes 345 of the upper film layer 351 The number and position of the positioning holes 3515 and the first positioning holes 3535 of the lower film layer 353 will also be adjusted accordingly.

In addition, the see-through key module 3 provided in this case can also use the cooperation of the surface cover 31 and the bottom plate 36 to jointly sandwich the elastic element 33, the contact film layer 34 and the switch circuit 35 between them, and Complete the assembly of the entire see-through button module 3.

The surface cover 31 is disposed above the connection area 3331 of the bottom 333 of the elastic element 33. When the see-through key module 3 is assembled, the protrusions 313 of the surface cover 31 pass downward through the positioning holes 33311 of the elastic element 33 in sequence. The second positioning hole 346 of the contact film layer 34, the second positioning hole 3516 of the upper film layer 351, and the second positioning hole 3536 of the lower film layer 353 are then inserted into the positioning hole 365 of the bottom plate 36, so that the elastic The component 33, the contact film layer 34 and the switch circuit 35 are sandwiched between the cover 31 and the base plate 36 to achieve a modular design.

When the protrusions 313 of the cover 31 are inserted into the positioning holes 365 of the base plate 36, the present invention also provides several fixing mechanisms to fix the cover 31 and the base plate 36 together. First, please refer to Figure 15. In this invention, you can choose to form a sealant 314 around the protruding post 313 passing through the positioning hole 365, thereby fixing the protruding post 313 and the positioning hole 365 together. Alternatively, as shown in FIG. 16 , a rivet head 315 may be formed at the end of the boss 313 passing through the positioning hole 365 through a riveting process. The riveting process can be selected from hot pressure riveting, hot gas riveting or ultrasonic riveting.

Furthermore, the bottom plate 36 provided by this invention has an indented structure around the positioning hole 365, that is, the bottom plate 36 will be folded or tilted in the direction of the switch circuit 35 in the area adjacent to the positioning hole 365. The concave structure of the positioning hole 365 helps to accommodate the sealant 314 or the rivet head 315 while keeping the bottom surface 363 of the bottom plate 36 flat.

The display area of the display panel 4 is divided into a plurality of sub-display areas 41 and a background area 42. The background area 42 is an area outside the sub-display area 41 and is used to separate adjacent sub-display areas 41 and allow each sub-display area to There is a clearer demarcation between 41. The display panel 4 will output or display graphic images 43 in the sub-display area 41. The graphic images 43 include specific screens, information or icons, and can also be set, controlled and replaced by the user. In addition, the display panel 4 may display a non-graphic image 44 in the background area 42, such as a background color, or may not generate any light without displaying any image.

In the control device 1 provided in this embodiment, the see-through button module 3 is disposed above the display panel 4, and the see-through button module 3 blocks the non-graphic image 44 and reveals the graphic image 43 in the vertical direction. . The graphic and text images 43 output by the display panel 4 will directly pass upward through the light-transmitting opening 362 of the bottom plate 36 , the light-transmitting opening 3532 of the lower film layer 353 , the light-transmitting opening 3512 of the upper film layer 351 , and the light-transmitting opening of the contact film layer 34 . The light opening 342, the second opening 3343 of the crater structure, the first opening 3342 of the crater structure and the keycap 32 are then exposed and can be directly seen by the user. The graphic images 43 output by the display panel 4 will not be blocked or blocked during the transmission process, and will directly pass through the light-transmitting opening 362 of the bottom plate 36 , the light-transmitting opening 3532 of the lower film layer 353 , and the upper film layer 351 The light-transmitting opening 3512, the light-transmitting opening 342 of the contact film layer 34, the second opening 3343 of the crater structure, and the first opening 3342 of the crater structure. When the graphic image 43 passes through the keycap 32, the graphic image 43 It can be completely transmitted upward without being blocked by the keycap 32, which is different from the design of the existing backlight keyboard in which the keycap can only emit light in the character area instead of being provided with a light-shielding coating to block the character area.

In the control device 1 provided by this invention, the display panel 4 matched with the see-through button structure 3 can be selected from a liquid crystal display panel (LCD) or an organic light emitting diode (OLED) panel, or You can also choose from panels belonging to the electronic paper type, such as electrophoretic display (Electro-Phoretic Display; EPD) panels or cholesteric liquid crystal display (ChLCD) panels.

In the see-through key module provided according to other embodiments of the present invention, the contact film layer 34 can be optionally not provided, and under this structure, the elastic element 33 will directly contact the switch circuit 35 below.

The above are only preferred embodiments of this creation, and are not intended to limit this creation. Therefore, all other equivalent changes or modifications that are completed without departing from the spirit revealed in this creation should be included in the creative concept of this case. .

31:Face cover

32:Keycap

322:Side wall

323: Bottom surface

33: Elastic element

331: Bearing part

332:Side wall

333:Bottom

3332:Peripheral area

3333: Positioning slot

34: Contact film layer

342:Light-transmitting opening

344:Protruding structure

345: First positioning hole

351: Upper film layer

3512:Light-transmitting opening

3515: First positioning hole

352: Spacer

353: Lower film layer

3532:Light-transmitting opening

3535: First positioning hole

36: Bottom plate

362:Light-transmitting opening

364: Hook

Claims (21)

A see-through key module includes: a plurality of keycaps; an elastic element, the elastic element includes a plurality of bearing parts, a plurality of side walls and a bottom, wherein each bearing part is connected to a keycap, and the side wall is located on the bearing Between the bottom and the bottom, the bottom has a connecting area and a peripheral area, the plurality of side walls are located in the connecting area, the peripheral area surrounds the connecting area, and the bottom is provided with at least one positioning groove in the peripheral area; A switch circuit is provided below the elastic element; and a bottom plate is provided below the switch circuit. The bottom plate has at least one hook that can pass upward through the switch circuit and then be placed in the positioning groove. Used to fix the switch circuit between the elastic component and the base plate. As for the see-through key module described in claim 1, the bearing part, the corresponding side wall and the bottom jointly form a crater structure from top to bottom, and the center of the crater structure is a cavity. The see-through key module of claim 2, the cavity has a first opening and a second opening, the first opening and the second opening are located at opposite ends, and the first opening is adjacent to the keycap , the second opening is adjacent to the switch circuit. As for the see-through key module described in claim 3, the switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, a plurality of light-transmitting openings and a bottom surface. The plurality of light-transmitting openings of the film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, a plurality of light-transmitting openings. openings and a bottom surface. The plurality of light-transmitting openings of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is disposed on the between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer, the upper film layer further includes a circuit contact, the circuit contact of the upper film layer is formed on the bottom surface of the upper film layer, the lower film layer further includes a circuit contact, the circuit contact of the lower film layer is formed On the top surface of the lower film layer, the circuit contacts of the upper film layer and the circuit contacts of the lower film layer overlap in the vertical direction, and the circuit contacts of the upper film layer and the circuit contacts of the lower film layer The contacts are separated by the spacer, the circuit contacts of the upper film layer are adjacent to the light-transmitting openings of the upper film layer, the circuit contacts of the lower film layer are adjacent to the light-transmitting openings of the lower film layer, and the upper film The range of the light-transmitting opening of the lower film layer is smaller than the range of the second opening of the crater structure. The range of the light-transmitting opening of the lower film layer is smaller than the range of the second opening of the crater structure. The bearing part or the keycap can After passing downward through the second opening of the crater structure, the upper film layer is pressed, thereby causing the circuit contacts of the upper film layer to contact the circuit contacts of the lower film layer. As for the see-through key module described in claim 4, the base plate includes a top surface, a plurality of light-transmitting openings and a bottom surface. The top surface of the base plate faces the lower film layer, and the plurality of light-transmitting openings of the base plate are connected to each other. The top surface of the bottom plate and the bottom surface of the bottom plate, the range of the light-transmitting opening of the bottom plate is less than or equal to the range of the light-transmitting opening of the lower film layer, and in the vertical direction, the light-transmitting opening of the bottom plate is aligned with the range of the lower film layer The light-transmitting opening allows the top surface of the bottom plate to support the lower film layer when the circuit contacts of the upper film layer are triggered to the circuit contacts of the lower film layer. As for the see-through key module of claim 1, the switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, at least a first positioning hole and a bottom surface. The first positioning hole of the upper film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, at least a first Positioning holes and a bottom surface. The first positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is arranged on the between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer, the hook of the bottom plate passes upward through the first positioning hole of the lower film layer and the first positioning hole of the upper film layer and is placed in the positioning groove. As for the see-through button module described in claim 1, the number of the positioning slots is two, and the two positioning slots are located at opposite ends of the peripheral area. The number of the hooks is two, and the two hooks are The hooks are located at opposite ends of the bottom plate. The switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, two first positioning holes and a bottom surface. The upper film layer The first positioning hole connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, two first positioning holes and A bottom surface, the first positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer, the top surface of the lower film layer faces the upper film layer, and the spacer is arranged on the upper film layer between the bottom surface of the lower film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer, the two hooks of the bottom plate pass upward through the two first positioning holes of the lower film layer and the upper film The two first positioning holes of the first layer are then placed into the two positioning grooves. The see-through key module as described in claim 1 further includes a cover, which is disposed above the connection area. The cover has a connection frame and a plurality of openings, each opening corresponding to a keycap. The keycap can be exposed from the opening of the cover. The connection frame has a top surface and a bottom surface. The plurality of openings connect the top surface and the bottom surface. The cover further includes at least one protruding pillar. The column extends downward from the bottom surface of the connecting frame. As for the see-through key module described in claim 8, the connection area of the elastic element has at least one positioning hole, the switch circuit includes an upper film layer, a spacer and a lower film layer, the upper film layer includes a top surface, at least one second positioning hole and a bottom surface, the second positioning hole of the upper film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer, and the bottom surface of the upper film layer faces the lower film layer, The lower film layer includes a top surface, at least a second positioning hole and a bottom surface. The second positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer noodle The film layer faces upward, and the spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer. The bottom plate includes a top surface, at least one Positioning holes and a bottom surface. The top surface of the bottom plate faces the lower film layer. The positioning holes of the bottom plate connect the top surface of the bottom plate and the bottom surface of the bottom plate. The protruding pillars of the surface cover pass downward through the elastic The positioning hole of the connection area of the component, the second positioning hole of the upper film layer and the second positioning hole of the lower film layer extend into the positioning hole of the bottom plate to clamp the elastic component and the switch circuit. Located between the cover and the bottom plate. The see-through key module of claim 9 further includes a sealant formed around the protruding pillar extending into the positioning hole of the base plate. According to the see-through key module described in claim 9, the protruding pillar extending into the base plate positioning hole can form a rivet head through a riveting process. A see-through key module includes: a plurality of keycaps; an elastic element, the elastic element includes a plurality of bearing parts, a plurality of side walls and a bottom, wherein each bearing part is connected to a keycap, and the side wall is located on the bearing Between the bottom and the bottom, the bottom has a connecting area and a peripheral area, the plurality of side walls are located in the connecting area, the peripheral area surrounds the connecting area, and the bottom is provided with at least one positioning groove in the peripheral area; A contact film layer is provided below the elastic element; a switch circuit is provided below the contact film layer; and a bottom plate is provided below the switch circuit, the bottom plate has at least one hook, and the hook is The hook can pass upward through the switch circuit and the contact film layer sequentially and then be placed in the positioning groove to fix the contact film layer and the switch circuit between the elastic element and the base plate. As for the see-through key module described in claim 12, the bearing part, the corresponding side wall and the bottom jointly form a crater structure from top to bottom, and the center of the crater structure is a cavity. The cavity has a first opening and a second opening. The first opening and the second opening are located at opposite ends. The first opening is adjacent to the keycap, and the second opening is adjacent to the contact film layer. As for the see-through key module described in claim 13, the switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, a plurality of light-transmitting openings and a bottom surface. The plurality of light-transmitting openings of the film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, a plurality of light-transmitting openings. openings and a bottom surface. The plurality of light-transmitting openings of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is disposed on the The bottom surface of the upper film layer and the top surface of the lower film layer are used to separate the upper film layer and the lower film layer. The upper film layer further includes a circuit contact, and the circuit contact of the upper film layer is formed on The bottom surface of the upper film layer, the lower film layer further includes a circuit contact, the circuit contact of the lower film layer is formed on the top surface of the lower film layer, the contact film layer includes a top surface, a plurality of light-transmitting openings, a bottom surface and at least one protruding structure, the protruding structure of the contact film layer is formed on the top surface of the contact film layer, and the protruding structure of the contact film layer is adjacent to the light-transmitting opening, the contact A plurality of light-transmitting openings of the point film layer connects the top surface of the contact film layer and the bottom surface of the contact film layer. The bottom surface of the contact film layer faces the upper film layer. The protrusion of the contact film layer The structure, the circuit contacts of the upper film layer and the circuit contacts of the lower film layer overlap in the vertical direction, and the circuit contacts of the upper film layer and the circuit contacts of the lower film layer are separated by the interval separated by components, the circuit contacts of the upper film layer are adjacent to the light-transmitting openings of the upper film layer, the circuit contacts of the lower film layer are adjacent to the light-transmitting openings of the lower film layer, and the light-transmitting openings of the contact film layer The range is smaller than the range of the second opening of the crater structure, the range of the light-transmitting opening of the upper thin film layer is smaller than the range of the second opening of the crater structure, and the range of the light-transmitting opening of the lower thin film layer is smaller than the range of the crater Within the scope of the second opening of the structure, the bearing portion or the keycap can pass downward through the second opening of the crater structure and then press against the protruding structure of the contact film layer, and the protruding structure then presses the upper The film layer causes the circuit contacts of the upper film layer to contact the circuit contacts of the lower film layer. As for the see-through key module described in claim 14, the base plate includes a top surface, a plurality of light-transmitting openings and a bottom surface. The top surface of the base plate faces the lower film layer, and the plurality of light-transmitting openings of the base plate are connected to each other. The top surface of the bottom plate and the bottom surface of the bottom plate, the range of the light-transmitting opening of the bottom plate is less than or equal to the range of the light-transmitting opening of the lower film layer, and in the vertical direction, the light-transmitting opening of the bottom plate is aligned with the range of the lower film layer The light-transmitting opening allows the top surface of the bottom plate to support the lower film layer when the circuit contacts of the upper film layer are triggered to the circuit contacts of the lower film layer. As for the see-through key module of claim 12, the switch circuit includes an upper film layer, a spacer and a lower film layer, the upper film layer includes a top surface, at least a first positioning hole and a bottom surface, the The first positioning hole of the upper film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, at least a first Positioning holes and a bottom surface. The first positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is arranged on the The bottom surface of the upper film layer and the top surface of the lower film layer are used to separate the upper film layer and the lower film layer. The contact film layer includes a top surface, at least a first positioning hole, a bottom surface and at least A protruding structure, the protruding structure of the contact film layer is formed on the top surface of the contact film layer, and at least one first positioning hole of the contact film layer connects the top surface of the contact film layer and the The bottom surface of the contact film layer faces the upper film layer, and the hook of the base plate passes upward through the first positioning hole of the lower film layer and the first positioning hole of the upper film layer in sequence. and the first positioning hole of the contact film layer is then placed into the positioning groove. As for the see-through key module described in claim 12, the number of the positioning slots is two, and the two positioning slots are located at opposite ends of the peripheral area. The number of the hooks is two, and the two hooks are The hooks are located at opposite ends of the bottom plate. The switch circuit includes an upper film layer, a spacer and a lower film layer. The upper film layer includes a top surface, two first positioning holes and a bottom surface. The upper film layer The first positioning hole connects the top surface of the upper film layer and the bottom surface of the upper film layer. The bottom surface of the upper film layer faces the lower film layer. The lower film layer includes a top surface, two first positioning holes and a bottom surface, the lower film layer The first positioning hole connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer faces the upper film layer. The spacer is disposed on the bottom surface of the upper film layer and the lower film layer. between the top surfaces to separate the upper film layer and the lower film layer. The contact film layer includes a top surface, two first positioning holes, a bottom surface and at least one protruding structure. The contact film layer The protruding structure is formed on the top surface of the contact film layer. The first positioning hole of the contact film layer connects the top surface of the contact film layer and the bottom surface of the contact film layer. The contact film layer The bottom surface of the bottom plate faces the upper film layer, and the two hooks of the bottom plate pass upward through the two first positioning holes of the lower film layer, the two first positioning holes of the upper film layer, and the contact film layer. The two first positioning holes are then inserted into the two positioning grooves. The see-through key module as described in claim 12 further includes a cover, which is disposed above the connection area. The cover has a connection frame and a plurality of openings, each opening corresponding to a keycap. The keycap can be exposed from the opening of the cover. The connection frame has a top surface and a bottom surface. The plurality of openings connect the top surface and the bottom surface. The cover further includes at least one protruding pillar. The column extends downward from the bottom surface of the connecting frame. As for the see-through key module described in claim 18, the connection area of the elastic element has at least one positioning hole, the switch circuit includes an upper film layer, a spacer and a lower film layer, the upper film layer includes a top surface, at least one second positioning hole and a bottom surface, the second positioning hole of the upper film layer connects the top surface of the upper film layer and the bottom surface of the upper film layer, and the bottom surface of the upper film layer faces the lower film layer, The lower film layer includes a top surface, at least a second positioning hole and a bottom surface. The second positioning hole of the lower film layer connects the top surface of the lower film layer and the bottom surface of the lower film layer. The top surface of the lower film layer The surface is an upward film layer, and the spacer is disposed between the bottom surface of the upper film layer and the top surface of the lower film layer to separate the upper film layer and the lower film layer. The contact film layer includes a top surface surface, at least a second positioning hole, a bottom surface and at least one protruding structure, the protruding structure of the contact film layer is formed on the top surface of the contact film layer, at least a second The positioning hole connects the top surface of the contact film layer and the bottom surface of the contact film layer. The bottom surface of the contact film layer faces the upper film layer. The bottom plate includes a top surface. surface, at least one positioning hole and a bottom surface. The top surface of the base plate faces the lower film layer. The positioning holes of the base plate connect the top surface of the base plate and the bottom surface of the base plate. The protruding pillars of the surface cover are arranged downward in sequence. The positioning hole passes through the connecting area of the elastic element, the second positioning hole of the contact film layer, the second positioning hole of the upper film layer, and the second positioning hole of the lower film layer and then extends into the base plate The positioning hole is used to sandwich the elastic element, the contact film layer and the switch circuit between the cover and the bottom plate. The see-through key module of claim 19 further includes a sealant formed around the protruding pillar extending into the second opening of the base plate. According to the see-through key module of claim 19, the protruding pillar extending into the second opening of the bottom plate can form a rivet head through a riveting process.