TWI680481B - Illuminated keyswitch and illuminated keyboard including such illuminated keyswitch - Google Patents

Abstract

The invention discloses a light-emitting key and a light-emitting keyboard including the light-emitting key. The key according to the present invention includes a light guide plate, a transparent insulating substrate, a circuit, and a bottom plate. A light-transmitting insulating substrate is disposed on the front surface of the light guide plate. The circuit system is formed on the upper surface of the light-transmitting insulating substrate and includes at least two switch contacts. The bottom plate has holes. In particular, the bottom plate is disposed on the upper surface of the light-transmitting insulating substrate, so that at least two switch contacts are placed in the hole.

Description

Illuminated keys and illuminated keyboard including the same

The invention relates to a light-emitting key and a light-emitting keyboard including the light-emitting key, and more particularly to a light-emitting key having a light-transmitting insulating film with a small percentage of hole area and a light-emitting keyboard including the light-emitting key.

Illuminated keyboards are common input peripheral devices on the market. The prior art light-emitting keyboard includes a membrane switch element, a light guide plate, a base plate, a light source, and the like. Regarding the assembly of the light-emitting keyboard of the prior art, the membrane switch elements are all disposed on the bottom plate.

However, in the prior art light-emitting keyboard, the membrane switch element needs to have through holes for the positioning posts of the housing to be assembled and holes for the components of the fixed lifting mechanism, so the number of holes for the membrane switch element is large, which is not good Water-resistant keyboard. The range of the hole area ratio of the membrane switch element of the prior art light-emitting keyboard is 40% to 45%. At present, it has not been seen that the technology of reducing the hole area ratio of the membrane switch element of the light-emitting keyboard is developed.

Therefore, one technical problem to be solved by the present invention is to provide a light emitting key and a light emitting keyboard including the light emitting key. According to the light-emitting keyboard of the present invention, the proportion of the hole area of the structural layer constituting the membrane switch element is greatly reduced. Thereby, the waterproof effect including the illuminated keyboard according to the present invention is greatly improved.

The light-emitting key according to the first preferred embodiment of the present invention includes a light guide plate, a light-transmitting insulating substrate, a circuit, a base plate, a light-transmitting sheet, a keycap, an elastic actuator, a light reflecting layer, and a light shielding layer. A light-transmitting insulating substrate is disposed on the front surface of the light guide plate. The circuit system is formed on the upper surface of the light-transmitting insulating substrate and includes at least two switch contacts. The bottom plate has a first hole and a plurality of through holes. The plurality of through holes of the bottom plate surround the first holes of the bottom plate. The bottom plate is disposed on the upper surface of the transparent insulating substrate, so that at least two switch contacts are placed in the first hole. The light-transmissive sheet has a second hole. The light-transmitting sheet is disposed on the bottom plate. The second hole of the transparent sheet is located above the first hole of the bottom plate. The keycap has a light-transmitting area, and is connected to the upper part of the bottom plate so as to move up and down, so that the keycap moves relative to the bottom plate between an unpressed position and a pressed position. The elastic actuator is disposed at the periphery of the second hole of the light-transmissive sheet and includes an actuating post. The actuating post is at least electrically conductive at its ends. The reflective layer is formed to cover the upper surface of the light-transmitting insulating substrate. The reflective layer has a first uncovered area. The first uncovered area of the light-reflecting layer is located below the first hole in the bottom plate and the plurality of through holes. At least two switch contacts are placed in the first uncovered area of the reflective layer of the reflective layer. The light shielding layer is formed to cover the light reflecting layer. The light shielding layer has a second uncovered area. The second uncovered area of the light shielding layer is located above the first uncovered area of the light reflecting layer. Light enters the light guide plate and is guided by the light guide plate and exits from the front side and passes through the transparent insulating substrate, the first uncovered area of the light reflecting layer, the second uncovered area of the light shielding layer, the through holes of the base plate, and The light-transmitting sheet further illuminates the light-transmitting area of the keycap. When the keycap is moved to the pressing position, the elastic actuator is deformed to cause the end of the actuating column to pass through the second hole of the light-transmissive sheet and the first hole of the bottom plate to contact the at least two switch contacts to make at least two switches. The contacts are connected to each other. When the keycap is released and moved to the unpressed position, the elastic actuator restores the original shape and separates the end of the actuating column from at least two switch contacts.

A light-emitting key according to a second preferred embodiment of the present invention includes a light guide plate, a transparent lower insulating substrate, a lower circuit, a transparent isolation member, a transparent upper insulating substrate, an upper circuit, a bottom plate, and a transparent Sheet, keycap, elastic An actuator, a light reflecting layer, and a light shielding layer. The light-transmitting lower insulating substrate is disposed on the front surface of the light guide plate. The transparent lower insulating substrate has a first upper surface and a first lower surface. The lower circuit is formed on the first upper surface of the light-transmitting lower insulating substrate and includes at least one lower switch contact. The light-transmitting isolation member has a first hole. The light-transmitting isolating member is connected to the first upper surface of the light-transmitting lower insulating substrate, so that at least the lower switch contact is placed in the first hole of the light-transmitting isolating member. The light-transmitting upper insulating substrate has a second upper surface and a second lower surface. The upper circuit is formed on the second lower surface of the transparent upper insulating substrate and includes at least one upper switch contact. The light-transmitting upper insulating substrate is bonded to the light-transmitting isolating member with the second lower surface, so that at least one upper switch contact is placed in the first hole of the light-transmitting isolating member and aligned with at least the lower switch contact. The bottom plate has a second break hole and a plurality of through holes. The plurality of through holes of the bottom plate surround the second holes of the bottom plate. The bottom plate is disposed on the transparent upper insulating substrate. The second hole in the bottom plate is located above the first hole in the light-transmitting isolation member. The light-transmissive sheet has a third hole. The light-transmitting sheet is disposed on the bottom plate. At least one upper switch contact and at least one lower switch contact are located below the second hole in the bottom plate and the third hole in the transparent sheet. The keycap has a light-transmitting area, and is connected to the upper part of the bottom plate so as to move up and down, so that the keycap moves relative to the bottom plate between an unpressed position and a pressed position. The elastic actuator is disposed at the periphery of the third hole of the light-transmissive sheet and includes an actuating post. The reflective layer is formed to cover the second upper surface of the light-transmitting upper insulating substrate. The reflective layer has a first uncovered area. The first uncovered area of the light-reflecting layer is located below the second hole in the bottom plate and the plurality of through holes. The light shielding layer is formed to cover the light reflecting layer. The light shielding layer has a second uncovered area. The second uncovered area of the light shielding layer is located above the first uncovered area of the light reflecting layer. Light enters the light guide plate and is guided by the light guide plate and exits from the front side thereof and passes through the light-transmitting lower insulating substrate, the light-transmitting isolation member, the light-transmitting upper insulating substrate, the first uncovered area of the light-reflecting layer, and light-shield The second uncovered area of the layer, the plurality of through holes in the bottom plate, and the transparent sheet further illuminate the transparent area of the keycap. When the keycap is moved to the pressing position, the elastic actuator is deformed, causing the actuating column to pass through the third hole of the light-transmissive sheet, the second hole of the bottom plate abutting, and allowing the light-transmitting upper The insulating base material is deformed so that at least one upper switch contact contacts at least one lower switch contact and at least one upper switch contact and at least one lower switch contact are conducted with each other. When the keycap is released and moved to the unpressed position, the elastic actuator restores the original shape to separate the actuating column from the transparent upper insulating substrate.

The illuminated keyboard according to the third preferred embodiment of the present invention includes a plurality of illuminated keys and a light source according to the first preferred embodiment of the present invention. The light source is arranged to cause the light emitted by the light source to enter the light guide plate. The transparent insulating substrate has a hole area ratio, and the range of the hole area ratio is 5% to 10%.

The illuminated keyboard according to the fourth preferred embodiment of the present invention includes a plurality of illuminated keys and a light source according to the second preferred embodiment of the present invention. The light source is arranged to cause the light emitted by the light source to enter the light guide plate. The transparent upper insulating substrate has a hole area ratio, and the range of the hole area ratio is 5% to 10%.

Different from the prior art, the light-emitting key and the light-emitting keyboard including the light-emitting key of the present invention have a structure layer constituting a membrane switch element disposed below a bottom plate thereof, so they have a broken area ratio of the structure layer constituting the membrane switch element. Reduced much. Thereby, the waterproof effect of the illuminated keyboard according to the present invention is greatly improved.

The advantages and spirit of the present invention can be further understood through the following detailed description of the invention and the accompanying drawings.

1‧‧‧ illuminated keyboard

12‧‧‧ light source

2‧‧‧ illuminated buttons

20‧‧‧light guide

202‧‧‧ Front

204‧‧‧Back

21‧‧‧ Transparent insulating substrate

212‧‧‧upper surface

214‧‧‧lower surface

22‧‧‧Circuit

222‧‧‧Switch contact

23‧‧‧ floor

232‧‧‧The first hole

234‧‧‧Receiving channel

236‧‧‧through hole

24‧‧‧ Translucent sheet

242‧‧‧ Second hole

246‧‧‧ broken hole

25‧‧‧Keycap

252‧‧‧light-transmitting area

254‧‧‧lower surface

256‧‧‧Take part

258‧‧‧ convex post

26‧‧‧Elastic actuator

262‧‧‧Dome

2622‧‧‧Top

2624‧‧‧Groove

264‧‧‧action column

2642‧‧‧End

27‧‧‧Reflective layer

272‧‧‧First uncovered area

274‧‧‧Fourth uncovered area

276‧‧‧Sixth uncovered area

28‧‧‧ shading layer

282‧‧‧Second Uncovered Area

284‧‧‧ Third uncovered area

286‧‧‧Fifth uncovered area

29‧‧‧Lifting mechanism

292‧‧‧Inner arm member

294‧‧‧outer arm member

30‧‧‧Reflector

31‧‧‧Reflective structure

4‧‧‧ illuminated keyboard

42‧‧‧light source

5‧‧‧ illuminated button

50‧‧‧light guide

502‧‧‧Front

504‧‧‧Back

51‧‧‧ Transparent lower insulating substrate

512‧‧‧First upper surface

514‧‧‧First lower surface

52‧‧‧ under the circuit

522‧‧‧ Lower switch contacts

53‧‧‧light-transmitting isolation member

532‧‧‧The first hole

54‧‧‧ Transparent upper insulating substrate

542‧‧‧second upper surface

544‧‧‧Second lower surface

55‧‧‧on the circuit

552‧‧‧on switch contact

56‧‧‧ floor

562‧‧‧ Second hole

564‧‧‧Receiving channel

566‧‧‧through hole

57‧‧‧light transmitting sheet

572‧‧‧ Third hole

576‧‧‧hole

58‧‧‧Keycap

582‧‧‧light transmission area

584‧‧‧lower surface

586‧‧‧ undertake part

588‧‧‧ convex post

59‧‧‧elastic actuator

592‧‧‧ dome

5922‧‧‧Top

5924‧‧‧Groove

594‧‧‧action column

60‧‧‧Reflective layer

602‧‧‧The first uncovered area

604‧‧‧ Fourth uncovered area

606‧‧‧ sixth uncovered area

61‧‧‧Light-shielding layer

612‧‧‧Second Uncovered Area

614‧‧‧ Third uncovered area

616‧‧‧Fifth uncovered area

62‧‧‧Lifting mechanism

622‧‧‧Inner arm member

624‧‧‧ Outer arm member

63‧‧‧Reflector

64‧‧‧Reflective structure

FIG. 1 is a development view of elements and components of a light emitting button according to a first preferred embodiment of the present invention.

FIG. 2 is a cross-sectional view of the light-emitting button taken along line A-A in FIG. 1. FIG.

Fig. 3 is a cross-sectional view showing a modification of one of the light-emitting keys according to the first preferred embodiment of the present invention.

FIG. 4 is a cross-sectional view showing another modification of the light emitting button according to the first preferred embodiment of the present invention.

FIG. 5 is a development view of elements and components of a light-emitting button according to a second preferred embodiment of the present invention.

FIG. 6 is a cross-sectional view of the light-emitting button taken along line B-B in FIG. 5.

FIG. 7 is a cross-sectional view showing a modification of one of the light-emitting keys according to the second preferred embodiment of the present invention.

FIG. 8 is a cross-sectional view showing another modification of the light emitting button according to the second preferred embodiment of the present invention.

Please refer to FIG. 1 and FIG. 2, which schematically depict a light-emitting button 2 according to a first preferred embodiment of the present invention. FIG. 1 schematically illustrates a light emitting button 2 according to a first preferred embodiment of the present invention in a development view of components and components. FIG. 2 is a cross-sectional view of the light-emitting key 2 taken along line A-A in FIG. 1.

As shown in FIGS. 1 and 2, the light-emitting key 2 according to the first preferred embodiment of the present invention includes a light guide plate 20, a light-transmitting insulating substrate 21, a circuit 22, a base plate 23, a light-transmitting sheet 24, and a keycap. 25. The elastic actuator 26, the light reflecting layer 27, and the light shielding layer 28.

The light-transmitting insulating substrate 21 is disposed on the front surface 202 of the light guide plate 20. The circuit 22 is formed on the upper surface 212 of the transparent insulating substrate 21 and includes at least two switch contacts 222.

In a specific embodiment, the light guide plate 20 may be made of acrylic, Made of silicone, thermoplastic polyurethane (TPU) or other commercially available light-guiding polymer materials.

The bottom plate 23 has a first break hole 232 and a plurality of through holes 236. The plurality of through holes 236 of the bottom plate 23 surround the first holes 232 of the bottom plate 23. The bottom plate 23 is disposed on the upper surface 212 of the transparent insulating substrate 21, so that at least two switch contacts 222 are disposed in the first break hole 232.

The transparent sheet 24 has a second hole 242. The light-transmitting sheet 24 is disposed on the bottom plate 23. The second hole 242 of the transparent sheet 24 is located above the first hole 232 of the bottom plate 23.

The keycap 25 has a light-transmitting area 252, and is connected to the top of the bottom plate 23 so as to move up and down, so that the keycap 25 moves between an unpressed position and a pressed position relative to the bottom plate 23.

As shown in FIGS. 1 and 2, the light-emitting button 2 according to the first preferred embodiment of the present invention further includes a lifting mechanism 29 disposed between the bottom plate 23 and the keycap 25. The lifting mechanism 29 restricts movement of the keycap 25 between the unpressed position and the pressed position.

The lifting mechanism 29 may be a conventional lifting mechanism such as a scissors-type support device or a butterfly-type support device. The lifting mechanism 29 shown in FIG. 1 is a scissors-type lifting mechanism 29 composed of an inner arm member 292 and an outer arm member 294. The inner arm member 292 is rotatably connected to the lower surface 254 and the bottom plate 23 of the keycap 25, respectively. The outer arm member 294 is rotatably connected to the lower surface 254 and the bottom plate 23 of the keycap 25, respectively. For example, as shown in FIG. 1, two pairs of receiving portions 256 and the keycap 25 are integrally formed on the lower surface 254. The two pairs of receiving channels 234 are integrally formed on the bottom plate 23. A pair of receiving portions 256 and a pair of receiving channels 234 are used to connect the inner arm member 292. The other pair of receiving portions 256 and the other pair of receiving channels 234 are used to connect the outer arm member 294. The light-transmissive sheet 24 also has four holes 246 assembled with the two pairs of receiving channels 234.

The elastic actuator 26 is provided on the second break of the light transmitting sheet 24 The periphery of the hole 242 includes an actuating post 264. The actuating post 264 is conductive at least at its end 2642. An elastic actuator 26 is coupled to the lower surface 254 of the keycap 25. For example, as shown in FIG. 1, the keycap 25 also has a protrusion 258 formed on the lower surface 254. The convex post 258 is inserted into a groove 2624 formed at the top 2622 of the dome 262 of the elastic actuator 26.

As shown in FIG. 2, at least the tip 2642 of the elastic post 26 is electrically conductive. In a specific embodiment, a plurality of graphite particles or a plurality of metal particles are coated on the end 2642 of the actuating post 264.

The light reflecting layer 27 is formed to cover the upper surface 212 of the light-transmitting insulating substrate 21. The light reflecting layer 27 has a first uncovered area 272. The first uncovered area 272 of the light-reflecting layer 27 is located below the first hole 232 and the plurality of through holes 236 of the bottom plate 23. At least two switch contacts 222 are disposed in the first uncovered area 272 of the reflective layer 27. The light shielding layer 28 is formed to cover the light reflecting layer 27. The light shielding layer 28 has a second uncovered area 282. The second uncovered area 282 of the light-shielding layer 28 is located above the first uncovered area 272 of the light-reflecting layer 27.

Light enters the light guide plate 20 and is guided by the light guide plate 20 and exits from the front side 202 thereof and passes through the transparent insulating substrate 21, the first uncovered area 272 of the reflective layer 27, and the second uncovered area 282 of the light shielding layer 28 The plurality of through holes 236 and the light-transmissive sheet 24 of the base plate 23 further illuminate the light-transmissive area 252 of the keycap 25.

When the keycap 25 is moved to the pressing position, the elastic actuator 26 deforms so that the end 2642 of the actuating column 264 passes through the second hole of the transparent sheet 24 and the first hole 232 of the base plate 23 to contact the at least two switches. The contacts 222 make at least two switch contacts 222 conductive with each other. When the keycap 25 is released and moved to the unpressed position, the elastic actuator 26 restores the original shape to separate the end 2642 of the actuating column 264 from at least two switch contacts 222.

As shown in FIG. 2, the light-emitting key 2 according to the first preferred embodiment of the present invention further includes a reflective structure 31 disposed on the back of the light guide plate 20. 204 on. The reflection structure 31 is configured to guide the light rays directed toward the reflection structure 31 to the front surface 202 of the light guide plate 20, and then to be emitted from the front surface 202 of the light guide plate 20.

Please refer to FIG. 3, which is a sectional view schematically depicting a modification of one of the light-emitting keys 2 according to the first preferred embodiment of the present invention. The definition of the section line shown in FIG. 3 is the same as the line A-A in FIG. 1.

As shown in FIG. 3, the light-emitting button 2 according to the first preferred embodiment of the present invention has a light-shielding layer 28 formed to cover the lower surface 214 of the transparent insulating substrate 21. The light shielding layer 28 has a third uncovered area 284. The third uncovered area 284 of the light shielding layer 28 is located below the first hole 232 and the plurality of through holes 236 of the bottom plate 23. The light-emitting button 2 according to the first preferred embodiment of the present invention has a light-reflecting layer 27 formed to cover the light-shielding layer 28. The light reflecting layer 27 has a fourth uncovered area 274. The fourth uncovered area 274 of the light-reflecting layer 27 is located below the third uncovered area 284 of the light-shielding layer 28. Elements in FIG. 3 that have the same numbers as those in FIG. 2 have the same or similar structures and functions, and will not be repeated here.

The light enters the light guide plate 20 and is guided by the light guide plate 20 and exits from the front surface 202 thereof and passes through the fourth uncovered area 274 of the reflective layer 27, the third uncovered area 284 of the light-shielding layer 28, and the transparent insulating substrate 21 The plurality of through holes 236 and the light-transmissive sheet 24 of the base plate 23 further illuminate the light-transmissive area 252 of the keycap 25. When the keycap 25 is moved to the pressing position, the elastic actuator 26 deforms so that the end 2642 of the actuating column 264 passes through the second hole 242 of the transparent sheet 24 and the first hole 232 of the bottom plate 23 to contact at least two switches. The contacts 222 make at least two switch contacts 222 conductive with each other. When the keycap 25 is released and moved to the unpressed position, the elastic actuator 26 restores the original shape to separate the end 2642 of the actuating column 264 from at least two switch contacts 222.

Please refer to FIG. 4. FIG. 4 is a cross-sectional view schematically depicting another modification of the light-emitting key 2 according to the first preferred embodiment of the present invention. The definition of the section line shown in FIG. 4 is the same as the line A-A in FIG. 1.

As shown in FIG. 4, the light-emitting key 2 according to the first preferred embodiment of the present invention has a light-shielding layer 28 formed to cover the upper surface 212 of the transparent insulating substrate 21. The light shielding layer 28 has a fifth uncovered area 286. The fifth uncovered area 286 of the light shielding layer 28 is located below the first hole 232 and the plurality of through holes 236 of the bottom plate 23. At least two switch contacts 222 are disposed in the fifth uncovered area 286 of the light shielding layer 28. The light-emitting button 2 according to the first preferred embodiment of the present invention has a light-reflecting layer 27 formed to cover the lower surface 214 of the transparent insulating substrate 21. The light reflecting layer 27 has a sixth uncovered area 276. The sixth uncovered area 276 of the light-reflecting layer 27 is located below the fifth uncovered area 286 of the light-shielding layer 28. Elements in FIG. 4 that have the same reference numerals as those in FIG. 2 have the same or similar structures and functions, and details are not described herein again.

The light enters the light guide plate 20 and is guided by the light guide plate 20 and exits from the front side 202 thereof and passes through the sixth uncovered area 276 of the reflective layer 27, the transparent insulating substrate 21, and the fifth uncovered area 286 of the light shielding layer 28 The plurality of through holes 236 and the light-transmissive sheet 24 of the base plate 23 further illuminate the light-transmissive area 252 of the keycap 25. When the keycap 25 is moved to the pressing position, the elastic actuator 26 deforms so that the end 2642 of the actuating column 264 passes through the second hole 242 of the transparent sheet 24 and the first hole 232 of the bottom plate 23 to contact at least two switches. The contacts 222 make at least two switch contacts 222 conductive with each other. When the keycap 25 is released and moved to the unpressed position, the elastic actuator 26 restores the original shape to separate the end 2642 of the actuating column 264 from at least two switch contacts 222.

As shown in FIG. 2, FIG. 3 and FIG. 4, further, the light-emitting key 2 according to the first preferred embodiment of the present invention further includes a reflective sheet 30. The reflective sheet 30 is disposed on the back surface 204 of the light guide plate 20. The light-reflecting sheet 30 is used to reflect the light rays directed toward the light-reflecting sheet 30.

Please refer to FIG. 5 and FIG. 6, which schematically depict a light-emitting button 5 according to a second preferred embodiment of the present invention. FIG. 5 schematically illustrates a light emitting button 5 using a second preferred embodiment of the present invention in a developed view of components and components. FIG. 6 is a cross-sectional view of the light-emitting key 5 taken along line B-B in FIG. 5.

As shown in FIG. 5, the light-emitting key 5 using the second preferred embodiment of the present invention includes a light guide plate 50, a transparent lower insulating substrate 51, a lower circuit 52, a transparent isolation member 53, and a transparent upper The insulating substrate 54, the upper circuit 55, the bottom plate 56, the light-transmitting sheet 57, the keycap 58, the elastic actuator 59, the light reflecting layer 60, and the light shielding layer 61.

The light-transmitting lower insulating substrate 51 is disposed on the front surface 502 of the light guide plate 50. The transparent lower insulating substrate 51 has a first upper surface 512 and a first lower surface 514. The lower circuit 52 is formed on the first upper surface 512 of the transparent lower insulating substrate 51 and includes at least a lower switch contact 522. The light-transmitting isolation member 53 has a first hole 532. The light-transmitting isolating member 53 is connected to the first upper surface 512 of the light-transmitting lower insulating substrate 51, so that at least the lower switch contact 522 is placed in the first hole 532 of the light-transmitting isolating member 53. The transparent upper insulating substrate 54 has a second upper surface 542 and a second lower surface 544. The upper circuit 55 is formed on the second lower surface 544 of the transparent upper insulating substrate 54 and includes at least one upper switch contact 552. The light-transmitting upper insulating substrate 54 is bonded to the light-transmitting isolating member 53 with the second lower surface 544, so that at least one upper switch contact 552 is placed in the first hole 532 of the light-transmitting isolating member 53 and aligned. At least one switch contact 522.

The bottom plate 56 has a second break hole 562 and a plurality of through holes 566. The plurality of through holes 566 of the bottom plate 56 surround the second holes 562 of the bottom plate 56. The bottom plate 56 is disposed on the transparent upper insulating base material 54. The second hole 562 of the bottom plate 56 is located above the first hole 532 of the light-transmitting isolation member 53.

The transparent sheet 57 has a third hole 572. The light-transmitting sheet 57 is disposed on the bottom plate 56. The at least one upper switch contact 552 and the at least one lower switch contact 522 are located below the second hole 562 of the bottom plate 56 and the third hole 572 of the transparent sheet 57.

The keycap 58 has a light-transmitting area 582, and is connected to the baseplate 56 in an up-and-down direction, so that the keycap 58 is relatively Move between the pressed position and the pressed position.

As shown in FIGS. 5 and 6, the light-emitting key 5 according to the second preferred embodiment of the present invention further includes a lifting mechanism 62 disposed between the bottom plate 56 and the key cap 58. The lifting mechanism 62 restricts movement of the keycap 58 between the unpressed position and the pressed position.

The lifting mechanism 62 may be a conventional lifting mechanism such as a scissor-type support device or a butterfly-type support device. The lifting mechanism 62 shown in FIG. 1 is a scissors-type lifting mechanism 62 composed of an inner arm member 622 and an outer arm member 624. The inner arm member 622 is rotatably connected to the lower surface 584 and the bottom plate 56 of the keycap 58, respectively. The outer arm member 624 is rotatably connected to the lower surface 584 and the bottom plate 56 of the keycap 58, respectively. For example, as shown in FIG. 5, two pairs of receiving portions 586 and the keycap 58 are integrally formed on the lower surface 584. The two pairs of receiving channels 564 are integrally formed on the bottom plate 56. A pair of receiving portions 586 and a pair of receiving channels 564 are used to connect the inner arm member 622. The other pair of receiving portions 586 and the other pair of receiving channels 564 are used to connect the outer arm member 624. The light-transmissive sheet 57 also has four holes 576 assembled with the two pairs of receiving channels 564.

The elastic actuator 59 is disposed around the third hole 572 of the light-transmissive sheet 57 and includes an actuating post 594. Unlike the light-emitting key 2 according to the first preferred embodiment of the present invention, the light-emitting key 5 according to the second preferred embodiment of the present invention does not need to be conductive with the actuating post 594 of the elastic actuator 59. An elastic actuator 59 is coupled to the lower surface 584 of the keycap 58. For example, as shown in FIG. 5, the keycap 58 also has a convex post 588 formed on the lower surface 584. The convex post 588 is inserted into the groove 5924 formed at the top 5922 of the dome 592 of the elastic actuator 59.

The light reflecting layer 60 is formed to cover the second upper surface 542 of the transparent upper insulating substrate 54. The light reflecting layer 60 has a first uncovered area 602. The first uncovered area 602 of the light reflecting layer 60 is located below the second hole 562 and the plurality of through holes 566 of the bottom plate 56. The light shielding layer 61 is formed to cover the light reflecting layer 60. The light shielding layer 61 has a second uncovered area 612. The second uncovered region 612 of the light shielding layer 61 is located above the first uncovered region 602 of the light-reflecting layer 60.

Light enters the light guide plate 50 and is guided by the light guide plate 50 from its front surface 502 and passes through the light transmitting lower insulating substrate 51, the light transmitting isolating member 53, the light transmitting upper insulating substrate 54, and the light reflecting layer 60. The first uncovered area 602, the second uncovered area 612 of the light shielding layer 61, the plurality of through holes 566 of the bottom plate 56, and the light-transmissive sheet 57 further illuminate the light-transmissive area 582 of the keycap 58.

When the keycap 58 is moved to the pressing position, the elastic actuator 59 deforms to cause the actuating column 594 to pass through the third hole 572 of the light-transmissive sheet 57 and the second hole 562 of the bottom plate 56 to abut and allow the light-transmitting upper The insulating base material 54 deforms so that at least one upper switch contact 552 contacts at least one lower switch contact 522 and makes at least one upper switch contact 552 and at least one lower switch contact 522 conductive with each other. When the keycap 58 is released and moved to the unpressed position, the elastic actuator 59 restores the original shape to separate the actuating column 594 from the transparent upper insulating base material 54.

As shown in FIG. 6, the light-emitting key 5 according to the second preferred embodiment of the present invention further includes a reflective structure 64 disposed on the back surface 504 of the light guide plate 50. The reflection structure 64 is used to guide the light rays directed toward the reflection structure 64 to the front surface 502 of the light guide plate 50, and then to be emitted from the front surface 502 of the light guide plate 50.

Please refer to FIG. 7, which is a cross-sectional view schematically depicting a modification of a light-emitting key 5 according to a second preferred embodiment of the present invention. The section shown in FIG. 6 has the same definition as the line B-B in FIG. 5.

As shown in FIG. 7, the light-emitting key 5 according to the second preferred embodiment of the present invention has a light-shielding layer 61 formed to cover the first lower surface 514 of the light-transmitting lower insulating substrate 51. The light shielding layer 61 has a third uncovered area 614. The third uncovered area 614 of the light shielding layer 61 is located below the second hole 562 and the plurality of through holes 566 of the bottom plate 56. The light emitting button 5 according to the second preferred embodiment of the present invention has a light reflecting layer 60 formed to cover the light shielding layer 61. The light reflecting layer 60 has a fourth uncovered area 604. Fourth uncovered area 604 of the reflective layer 60 Is located under the third uncovered area 614 of the light shielding layer 61. Elements in FIG. 7 that have the same reference numerals as those in FIG. 6 have the same or similar structures and functions, and details are not described herein again.

The light enters the light guide plate 50 and is guided by the light guide plate 50 and exits from the front surface 502 thereof and passes through the fourth uncovered area 604 of the reflective layer 60, the third uncovered area 614 of the light shielding layer 61, the transparent lower insulating substrate 51. A light-transmitting isolating member 53, a light-transmitting upper insulating substrate 54, a plurality of through holes 566 of the base plate 56, and a light-transmitting sheet 57 further illuminate the light-transmitting area 582 of the keycap 58. When the keycap 58 is moved to the pressing position, the elastic actuator 59 deforms to cause the actuating column 594 to pass through the third hole 572 of the light-transmissive sheet 57 and the second hole 562 of the bottom plate 56 to abut and allow the light-transmitting upper The insulating base material 54 deforms so that at least one upper switch contact 552 contacts at least one lower switch contact 522 and makes at least one upper switch contact 552 and at least one lower switch contact 522 conductive with each other. When the keycap 58 is released and moved to the unpressed position, the elastic actuator 59 restores the original shape to separate the actuating column 594 from the transparent upper insulating base material 54.

Please refer to FIG. 8. FIG. 8 is a cross-sectional view schematically depicting another modification of the light-emitting key 5 according to the second preferred embodiment of the present invention. The section shown in FIG. 8 has the same definition as the line B-B in FIG. 5.

As shown in FIG. 8, the light-emitting button 5 according to the second preferred embodiment of the present invention has a light-shielding layer 61 formed to cover the second upper surface 542 of the transparent upper insulating substrate 54. The light shielding layer 61 has a fifth uncovered area 616. The fifth uncovered area 616 of the light shielding layer 61 is located below the second hole 562 and the through holes 566 of the bottom plate 56. The light-emitting button 5 according to the second preferred embodiment of the present invention has a light-reflecting layer 60 formed to cover the first lower surface 514 of the light-transmitting lower insulating substrate 51. The light reflecting layer 60 has a sixth uncovered area 606. The sixth uncovered area 606 of the light reflecting layer 60 is located below the fifth uncovered area 616 of the light shielding layer 61. Elements in FIG. 8 that have the same reference numerals as those in FIG. 6 have the same or similar structures and functions, and will not be repeated here.

The light enters the light guide plate 50 and is guided by the light guide plate 50 and exits from the front face 502 thereof and passes through the sixth uncovered area 606 of the reflective layer 60, the transparent lower insulating substrate 51, the transparent isolation member 53, and the light The upper insulating substrate 54, the fifth uncovered area 616 of the light shielding layer 61, the plurality of through holes 566 of the bottom plate 56, and the light-transmissive sheet 57 further illuminate the light-transmissive area 582 of the keycap 58. When the keycap 58 is moved to the pressing position, the elastic actuator 59 deforms to cause the actuating column 594 to pass through the third hole 572 of the light-transmissive sheet 57 and the second hole 562 of the bottom plate 56 to abut and allow the light-transmitting upper The insulating base material 54 deforms so that at least one upper switch contact 552 contacts at least one lower switch contact 522 and makes at least one upper switch contact 552 and at least one lower switch contact 522 conductive with each other. When the keycap 58 is released and moved to the unpressed position, the elastic actuator 59 restores the original shape to separate the actuating column 594 from the transparent upper insulating base material 54.

As shown in FIG. 6, FIG. 7 and FIG. 8, further, the light-emitting key 5 according to the second preferred embodiment of the present invention further includes a reflective sheet 63. The light reflecting sheet 63 is disposed on the back surface 504 of the light guide plate 50. The light reflecting sheet 63 is used to reflect the light rays directed toward the light reflecting sheet 63.

Please refer to FIGS. 1 to 4 again. The light-emitting keyboard 1 according to the third preferred embodiment of the present invention includes a plurality of light-emitting keys 2 and a light source 12 according to the first preferred embodiment of the present invention. The light guide plates 20 of the plurality of light-emitting keys 2 are the same light guide plate 20. The transparent insulating substrates 21 of the plurality of light-emitting keys 2 are the same transparent insulating substrate 21. The bottom plate 23 of the plurality of light-emitting keys 2 is the same bottom plate 23. The light-transmitting sheets 24 of the plurality of light-emitting keys 2 are the same light-transmitting sheet 24. The light-reflecting layers 27 of the plurality of light-emitting keys 2 are the same light-reflecting layer 27. The light-shielding layers 28 of the plurality of light-emitting keys 2 are the same light-shielding layer 28. The reflective sheets 30 of the plurality of light-emitting keys 2 are the same reflective sheet 30. The light source 12 is arranged so that the light emitted by the light source 12 enters the light guide plate 20.

In order to fit together with the positioning posts of the casing (not shown) of the light-emitting keyboard 1, the light-transmissive sheet 24, the bottom plate 23, the light-shielding layer 28, the light-reflecting layer 27, the light-transmitting insulating substrate 21, the guide Light plate 20 and reflector 30 There are through holes (not shown in the figure) for the positioning posts to pass through. Different from the prior art, the light-transmitting insulating substrate 21 of the light-emitting keyboard 1 according to the third preferred embodiment of the present invention does not need to cooperate with the holes of the components of the fixed lifting mechanism 29, so the breakage of the light-transmitting insulating substrate 21 The hole area ratio ranges from 5% to 10%. Thereby, the waterproof effect of the illuminated keyboard 1 according to the third preferred embodiment of the present invention is greatly improved.

Please refer to FIGS. 5 to 8 again. The light-emitting keyboard 4 according to the fourth preferred embodiment of the present invention includes a plurality of light-emitting keys 5 and a light source 42 according to the second preferred embodiment of the present invention. The light guide plates 50 of the plurality of light-emitting keys 5 are the same light guide plate 50. The transparent lower insulating substrates 51 of the plurality of light-emitting keys 5 are the same transparent lower insulating substrate 51. The light-transmitting isolation members 53 of the plurality of light-emitting keys 5 are the same light-transmitting isolation member 53. The transparent upper insulating substrates 54 of the plurality of light-emitting keys 5 are the same transparent upper insulating substrate 54. The bottom plate 56 of the plurality of light-emitting keys 5 is the same bottom plate 56. The light-transmitting sheets 57 of the plurality of light-emitting keys 5 are the same light-transmitting sheet 57. The reflective layers 60 of the plurality of light-emitting keys 5 are the same reflective layer 60. The light-shielding layers 61 of the plurality of light-emitting keys 5 are the same light-shielding layer 61. The reflective sheets 63 of the plurality of light-emitting keys 5 are the same reflective sheet 63. The light source 42 is arranged so that the light emitted by the light source 42 enters the light guide plate 50.

In order to assemble with the positioning column of the housing (not shown) of the light-emitting keyboard 4, the light-transmissive sheet 57, the bottom plate 56, the light-shielding layer 61, the light-reflecting layer 60, the light-transmitting upper insulating substrate 54, The light-transmitting isolation member 53, the light-transmitting lower insulating substrate 51, the light guide plate 50, and the light reflecting sheet 63 also have through holes (not shown in the figure) through which the positioning posts pass. Different from the prior art, the light-transmitting upper insulating base material 54 of the light-emitting keyboard 4 according to the fourth preferred embodiment of the present invention does not need to cooperate with the holes of the members fixing the lifting mechanism 62, so the light-transmitting upper insulating base material 54 The range of the area of broken holes is 5% ~ 10%. Thereby, the waterproof effect of the illuminated keyboard 4 according to the fourth preferred embodiment of the present invention is greatly improved.

From the above detailed description of the present invention, it can be clearly understood that the light-emitting keys and the light-emitting keyboard including the light-emitting keys according to the present invention constitute a film thereof. The structural layer of the switching element is arranged below its base plate, so the percentage of the area of the broken hole of the structural layer constituting the membrane switching element is greatly reduced. Thereby, the waterproof effect of the illuminated keyboard including the illuminated keys according to the present invention is greatly improved.

With the above detailed description of the preferred embodiments, it is hoped that the features and spirit of the present invention may be more clearly described, rather than limiting the aspects of the present invention with the preferred embodiments disclosed above. On the contrary, the intention is to cover various changes and equivalent arrangements within the scope of the patent scope of the present invention. Therefore, the aspect of the patent scope of the present invention should be explained in the broadest sense according to the above description, so that it covers all possible changes and equal arrangements.

Claims (14)

A light-emitting key includes: a light guide plate; a light-transmitting insulating substrate disposed on a front surface of the light-guide plate; a circuit formed on an upper surface of the light-transmitting insulating substrate and including At least two switch contacts; a base plate having a first break hole and a plurality of through holes, the plurality of through holes surround the first break hole, and the base plate is disposed on the upper surface of the transparent insulating substrate The at least two switch contacts are placed in the first hole; a light-transmissive sheet having a second hole; the light-transmissive sheet is disposed on the bottom plate; the second hole is Located above the first hole; a keycap with a light-transmitting area, and connected to the baseplate in an up-and-down direction, so that the keycap is in an unpressed position and a pressed position relative to the baseplate An elastic actuator is arranged around one of the second holes of the light-transmissive sheet and includes an actuating post, at least one end of the actuating post is conductive; a reflective layer, Formed to cover the upper surface of the light-transmitting insulating substrate, the reflective layer There is a first uncovered area, the first uncovered area is located under the first broken hole and the plurality of through holes, and the at least two switch contacts are placed in the first uncovered area; and a light shielding layer Is formed to cover the light-reflecting layer, the light-shielding layer has a second uncovered area, and the second uncovered area is located above the first uncovered area; a light beam enters the light guide plate and the light guide plate passes through the light guide plate; Guiding the light-transmitting insulating substrate, the first uncovered area, the second uncovered area, the plurality of through-holes, and the light-transmissive sheet emitted from the front side to pass through the light-transmitting area; wherein When the keycap is moved to the pressing position, the elastic actuator deforms so that the end of the actuating post passes through the second hole, the first hole and then contacts the at least two switch contacts to make the at least two The switch contacts are conductive with each other; wherein when the keycap is released and moved to the unpressed position, the elastic actuator restores an original shape to separate the end of the actuating column from the at least two switch contacts. The light-emitting button according to claim 1, further comprising a reflective sheet, which is disposed on a back surface of the light guide plate, and the reflective sheet is used to reflect the light rays directed toward the reflective sheet. A light-emitting key includes: a light guide plate; a light-transmitting insulating substrate disposed on a front surface of the light-guide plate; a circuit formed on an upper surface of the light-transmitting insulating substrate and including At least two switch contacts; a base plate having a first break hole and a plurality of through holes, the plurality of through holes surround the first break hole, and the base plate is disposed on the upper surface of the transparent insulating substrate The at least two switch contacts are placed in the first hole; a light-transmissive sheet having a second hole; the light-transmissive sheet is disposed on the bottom plate; the second hole is Located above the first hole; a keycap with a light-transmitting area, and connected to the baseplate in an up-and-down direction, so that the keycap is in an unpressed position and a pressed position relative to the baseplate An elastic actuator is arranged at the periphery of one of the second holes of the transparent sheet and includes an actuating post, at least one end of the actuating post is conductive; a light-shielding layer, Formed to cover a lower surface of one of the light-transmitting insulating substrates, and the light-shielding layer There is a first uncovered area, the first uncovered area is located under the first broken hole and the plurality of through holes; and a reflective layer is formed to cover the light shielding layer, and the reflective layer has a second uncovered area. A covered area, the second uncovered area is located below the first uncovered area; one of the rays of light enters the light guide plate and is guided by the light guide plate to exit from the front side and passes through the second uncovered area, the A first uncovered area, the light-transmitting insulating substrate, the plurality of through holes, and the light-transmissive sheet further illuminate the light-transmitting area; wherein when the keycap moves to the pressing position, the elastic actuator deforms Causing the end of the actuating post to pass through the second hole, the first hole further contacting the at least two switch contacts to make the at least two switch contacts conductive with each other; wherein when the keycap is released, it moves to the When the position is not pressed, the elastic actuator restores an original shape to separate the end of the actuating column from the at least two switch contacts. The light-emitting button according to claim 3, further comprising a reflective sheet, which is disposed on a back surface of the light guide plate, and the reflective sheet is used to reflect the light beam directed toward the reflective sheet. A light-emitting key includes: a light guide plate; a light-transmitting insulating substrate disposed on a front surface of the light-guide plate; a circuit formed on an upper surface of the light-transmitting insulating substrate and including At least two switch contacts; a base plate having a first break hole and a plurality of through holes, the plurality of through holes surround the first break hole, and the base plate is disposed on the upper surface of the transparent insulating substrate The at least two switch contacts are placed in the first hole; a light-transmissive sheet having a second hole; the light-transmissive sheet is disposed on the bottom plate; the second hole is Located above the first hole; a keycap with a light-transmitting area, and connected to the baseplate in an up-and-down direction, so that the keycap is in an unpressed position and a pressed position relative to the baseplate An elastic actuator is arranged at the periphery of one of the second holes of the transparent sheet and includes an actuating post, at least one end of the actuating post is conductive; a light-shielding layer, Formed to cover the upper surface of the transparent insulating substrate, and the light-shielding layer There is a first uncovered area, the first uncovered area is located under the first broken hole and the plurality of through holes, the at least two switch contacts are placed in the first uncovered area; and a reflective layer Is formed to cover a lower surface of one of the light-transmitting insulating substrates, the reflective layer has a second uncovered area, and the second uncovered area is located below the first uncovered area; one of the light rays enters the The light guide plate is guided by the light guide plate and exits from the front and passes through the second uncovered area, the light-transmitting insulating substrate, the first uncovered area, the plurality of through holes, and the light-transmissive sheet. Illuminate the transparent area; when the keycap moves to the pressing position, the elastic actuator deforms so that the end of the actuating post passes through the second hole, the first hole and then contacts the at least two switches Contacts to make the at least two switch contacts conductive with each other; wherein when the keycap is released and moved to the unpressed position, the elastic actuator restores an original shape so that the end of the actuating column and the at least two switches The contacts are separated. The light-emitting button according to claim 5, further comprising a reflective sheet, which is disposed on a back surface of the light guide plate, and the reflective sheet is used to reflect the light rays directed toward the reflective sheet. A light-emitting key comprises: a light guide plate; and a light-transmitting lower insulating substrate disposed on a front surface of the light guide plate. The light-transmitting lower insulating substrate has a first upper surface and a first lower surface. A lower circuit formed on the first upper surface and including at least a lower switch contact; a light-transmitting isolation member having a first hole, the light-transmitting isolation member is joined to the first upper surface The at least one lower switch contact is placed in the first hole; a light-transmitting upper insulating substrate has a second upper surface and a second lower surface; an upper circuit is formed on the second The lower surface includes at least one upper switch contact, and the light-transmitting upper insulating substrate is bonded to the light-transmitting isolating member with the second lower surface, so that the at least one upper switch contact is placed on the first A break hole is aligned with the at least one lower switch contact; a bottom plate has a second break hole and a plurality of through holes, the plurality of through holes surround the second break hole, and the bottom plate is disposed on the light transmitting On the upper insulating substrate, the second hole is located in the first hole. Above; a light-transmissive sheet having a third hole, the light-transmissive sheet is disposed on the bottom plate, the at least one upper switch contact and the at least one lower switch contact are located in the second hole and Below the third hole; a keycap having a light-transmitting area, and connected to above the base plate so as to move up and down, so that the keycap is in an unpressed position and a pressed position relative to the base plate An elastic actuator, which is arranged around one of the third holes of the light-transmissive sheet and includes an actuating post; a light-reflecting layer, which is formed to cover the light-transmitting upper insulating substrate The second upper surface, the reflective layer has a first uncovered area, the first uncovered area is located below the second hole and the plurality of through holes; and a light shielding layer is formed to cover the A light-reflecting layer, the light-shielding layer has a second uncovered area, the second uncovered area is located above the first uncovered area; one of the light enters the light guide plate and is guided by the light guide plate and exits from the front surface And pass through the transparent lower insulating substrate, The light-transmitting isolation member, the light-transmitting upper insulating substrate, the first uncovered area, the second uncovered area, the plurality of through holes, and the light-transmissive sheet further illuminate the light-transmitting area; When the keycap moves to the pressing position, the elastic actuator deforms to cause the actuating column to pass through the third hole, the second hole abuts and deforms the light-transmitting upper insulating base material to cause the at least one upper The switch contact contacts the at least one lower switch contact to make the at least one upper switch contact and the at least one lower switch contact conductive with each other; wherein when the keycap is released and moved to the unpressed position, the elastic actuator The original shape is restored to separate the actuating column from the transparent upper insulating substrate. The light-emitting button according to claim 7, further comprising a reflective sheet, which is disposed on a back surface of the light guide plate, and the reflective sheet is used to reflect the light rays directed toward the reflective sheet. A light-emitting key comprises: a light guide plate; and a light-transmitting lower insulating substrate disposed on a front surface of the light guide plate. The light-transmitting lower insulating substrate has a first upper surface and a first lower surface. A lower circuit formed on the first upper surface and including at least a lower switch contact; a light-transmitting isolation member having a first hole, the light-transmitting isolation member is joined to the first upper surface The at least one lower switch contact is placed in the first hole; a light-transmitting upper insulating substrate has a second upper surface and a second lower surface; an upper circuit is formed on the second The lower surface includes at least one upper switch contact, and the light-transmitting upper insulating substrate is bonded to the light-transmitting isolating member with the second lower surface, so that the at least one upper switch contact is placed on the first A break hole is aligned with the at least one lower switch contact; a bottom plate has a second break hole and a plurality of through holes, the plurality of through holes surround the first break hole, and the bottom plate is disposed on the light transmitting On the upper insulating substrate, the second hole is located in the first hole. Above; a light-transmissive sheet having a third hole, the light-transmissive sheet is disposed on the bottom plate, the at least one upper switch contact and the at least one lower switch contact are located in the second hole and Below the third hole; a keycap having a light-transmitting area, and connected to above the base plate so as to move up and down, so that the keycap is in an unpressed position and a pressed position relative to the base plate An elastic actuator is arranged around a third hole of the transparent sheet and includes an actuating post; a light shielding layer is formed to cover the transparent lower insulating substrate The first lower surface, the light shielding layer has a first uncovered area, the first uncovered area is located under the second broken hole and the plurality of through holes; and a reflective layer is formed to cover the A light-shielding layer, the light-reflecting layer has a second uncovered area, the second uncovered area is located below the first uncovered area; one of the light enters the light guide plate and is guided by the light guide plate and exits from the front surface And through the second uncovered area, the Two uncovered areas, the light-transmitting lower insulating substrate, the light-transmitting isolating member, the light-transmitting upper insulating substrate, the plurality of through holes, and the light-transmitting sheet further illuminate the light-transmitting area; When the keycap is moved to the pressing position, the elastic actuator deforms to cause the actuating column to pass through the third hole, the second hole abuts and deforms the light-transmitting upper insulating base material to cause the at least one The upper switch contact contacts the at least one lower switch contact to make the at least one upper switch contact and the at least one lower switch contact conductive with each other; wherein when the keycap is released and moved to the unpressed position, the elastic actuation The device restores an original shape to separate the actuating column from the transparent upper insulating substrate. The light-emitting button according to claim 9, further comprising a reflective sheet, which is disposed on a back surface of the light guide plate, and the reflective sheet is used to reflect the light rays directed toward the reflective sheet. A light-emitting key comprises: a light guide plate; and a light-transmitting lower insulating substrate disposed on a front surface of the light guide plate. The light-transmitting lower insulating substrate has a first upper surface and a first lower surface. A lower circuit formed on the first upper surface and including at least a lower switch contact; a light-transmitting isolation member having a first hole, the light-transmitting isolation member is joined to the first upper surface The at least one lower switch contact is placed in the first hole; a light-transmitting upper insulating substrate has a second upper surface and a second lower surface; an upper circuit is formed on the second The lower surface includes at least one upper switch contact, and the light-transmitting upper insulating substrate is bonded to the light-transmitting isolating member with the second lower surface, so that the at least one upper switch contact is placed on the first A break hole is aligned with the at least one lower switch contact; a bottom plate has a second break hole and a plurality of through holes, the plurality of through holes surround the first break hole, and the bottom plate is disposed on the light transmitting On the upper insulating substrate, the second hole is located in the first hole. Above; a light-transmissive sheet having a third hole, the light-transmissive sheet is disposed on the bottom plate, and the at least one upper switch contact and the at least one lower switch contact are located in the second hole and Below the third hole; a keycap having a light-transmitting area, and connected to above the base plate so as to move up and down, so that the keycap is in an unpressed position and a pressed position relative to the base plate An elastic actuator, which is arranged around one of the third holes of the transparent sheet and includes an actuating post; a light-shielding layer, which is formed to cover the transparent upper insulating substrate The second upper surface, the light shielding layer has a first uncovered area, the second uncovered area is located below the second hole and the plurality of through holes; and a reflective layer is formed to cover the On the first lower surface of the light-transmitting lower insulating substrate, the light-reflecting layer has a second uncovered area, and the second uncovered area is located below the first uncovered area; one of the light rays enters the light guide plate. And guided by the light guide plate to shoot out from the front and penetrate The second uncovered region, the light-transmitting lower insulating substrate, the light-transmitting isolation member, the light-transmitting upper insulating substrate, the first uncovered region, the plurality of through holes, and the light-transmitting sheet Further illuminating the light-transmitting area; when the keycap moves to the pressing position, the elastic actuator deforms to cause the actuating column to pass through the third hole, the second hole to abut and allow the light-transmitting The upper insulating substrate is deformed so that the at least one upper switch contact contacts the at least one lower switch contact and the at least one upper switch contact and the at least one lower switch contact are conductive with each other; wherein when the keycap is released, it moves to the When the position is not pressed, the elastic actuator restores an original shape to separate the actuating column from the transparent upper insulating substrate. The light-emitting button according to claim 11, further comprising a reflective sheet, which is disposed on a back surface of the light guide plate, and the reflective sheet is used to reflect the light rays directed to the reflective sheet. A light-emitting keyboard includes a plurality of light-emitting keys according to any one of claims 1 to 6 and a light source, and the light source is arranged to cause the light emitted by the light source to enter the light guide plate, wherein the transparent insulation The substrate has a hole area ratio, and one of the hole area ratio ranges from 5% to 10%. A light-emitting keyboard, comprising a plurality of light-emitting keys according to any one of claims 7 to 12, the light source is arranged to cause the light emitted by the light source to enter the light guide plate, wherein the transparent upper insulating substrate There is a hole area ratio, and one of the hole area ratio ranges from 5% to 10%.