CN220065518U - Luminous keyboard - Google Patents
Luminous keyboard Download PDFInfo
- Publication number
- CN220065518U CN220065518U CN202321618791.5U CN202321618791U CN220065518U CN 220065518 U CN220065518 U CN 220065518U CN 202321618791 U CN202321618791 U CN 202321618791U CN 220065518 U CN220065518 U CN 220065518U
- Authority
- CN
- China
- Prior art keywords
- light
- guide plate
- circuit board
- light guide
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010409 thin film Substances 0.000 claims abstract description 20
- 239000010408 film Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005286 illumination Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Abstract
A luminous keyboard comprises a frame, a thin film circuit board, a plurality of key modules and a backlight module. The frame includes a frame body that is translucent. Each key module includes a key cap. The backlight module comprises a light source circuit board, a first light guide plate arranged above the light source circuit board, a second light guide plate arranged below the light source circuit board, a plurality of first light emitting pieces adjacent to the first light guide plate, a plurality of second light emitting pieces adjacent to the second light guide plate, and a reflecting plate arranged below the second light guide plate. The first light-emitting piece is towards the light that the first light guide plate sent can upwards throw to the key cap, the second light-emitting piece is towards the light that the second light guide plate sent is via the reflection of reflector panel and can upwards throw to the frame body, makes the frame body has even luminous effect.
Description
Technical Field
The present utility model relates to a keyboard, and more particularly, to a light emitting keyboard.
Background
The luminous keyboard is mainly used for providing convenience and visual effect for use in dark or low-light environment. The existing luminous keyboard mainly focuses on focusing the light source on the keys to provide the effect of key luminescence. However, the frames of existing lighted keyboards are often used only as components to support and protect the keyboard structure, ignoring the illumination of the frame, and failing to take full advantage of the lighting potential of the frame. Therefore, another luminous keyboard is available in the market, and a plurality of luminous assemblies are arranged around the frame, but the arrangement positions and the presentation effects of the luminous assemblies are not ideal, only illumination can be provided in certain specific areas of the frame, and no illumination or uneven illumination effect is provided in other areas of the frame, so that the visual effect and the use experience are reduced.
Disclosure of Invention
The utility model aims to provide a luminous keyboard capable of realizing uniform luminous effect on a frame.
The utility model relates to a luminous keyboard, which comprises a frame, a thin film circuit board, a supporting plate, a plurality of key modules and a backlight module. The frame comprises a semitransparent frame body and a plurality of key holes formed in the frame body. The film circuit board is arranged below the frame and can transmit light. The supporting plate is arranged below the thin film circuit board, and comprises a plate body, a plurality of broken holes formed in the plate body and corresponding to the lower parts of the key holes, and a plurality of through holes formed in the plate body and corresponding to the lower parts of the frame body. The key modules are respectively arranged in the key holes and correspond to the broken holes. Each key module comprises a key cap, a connecting piece pivoted between the key cap and the supporting plate, and an elastic body propped between the key cap and the thin film circuit board. The backlight module is arranged below the supporting plate and comprises a light source circuit board, a first light guide plate arranged above the light source circuit board and positioned below the plate body, a second light guide plate arranged below the light source circuit board, a plurality of first light emitting pieces arranged on the surface, adjacent to the first light guide plate, of the light source circuit board, a plurality of second light emitting pieces arranged on the surface, adjacent to the second light guide plate, of the light source circuit board, and a light reflecting plate arranged below the second light guide plate. The light emitted by the first light emitting part towards the first light guide plate can pass through the broken hole, the thin film circuit board and the key hole to be projected to the key cap, and the light emitted by the second light emitting part towards the second light guide plate upwards passes through the first light guide plate, the perforation and the thin film circuit board to be projected to the frame body through reflection of the reflecting plate.
The backlight module of the utility model further comprises a semi-shading layer coated on the surface of the first light guide plate opposite to the light source circuit board, and a reflecting layer coated on the surface of the second light guide plate adjacent to the light source circuit board, wherein the semi-shading layer is provided with a semi-shading area and a plurality of light transmitting areas, the semi-shading area corresponds to the lower part of the frame body and the through holes and covers the first light guide plate, the light transmitting areas are communicated with the through holes, the reflecting layer is provided with a plurality of reflecting areas corresponding to the light transmitting areas and covering the second light guide plate, the light emitted by the first light emitting piece towards the first light guide plate can pass through the light transmitting areas and the through holes and be projected upwards to the key cap, and the light emitted by the second light emitting piece towards the second light guide plate is repeatedly reflected between the light reflecting plate and the reflecting area, and upwards passes through the first light guide plate, the light shielding area, the semi-reflecting area and the film frame body from the area which is not covered by the reflecting area.
According to the luminous keyboard disclosed by the utility model, the semi-shading area of the semi-shading layer is made of semi-shading and semi-light-transmitting materials so as to allow part of light to penetrate.
The luminous keyboard further comprises a covering layer coated on the surface of the board opposite to the thin film circuit board.
The beneficial effects of the utility model are that: the frame body is semitransparent, and the light emitted by the second light emitting part towards the second light guide plate passes through the through holes upwards through the reflection of the light reflecting plate to be projected to the frame body, so that the frame body has a uniform light emitting effect.
Drawings
FIG. 1 is a perspective view of an embodiment of a lighted keypad of the present utility model;
FIG. 2 is an exploded perspective view of the embodiment;
FIG. 3 is an exploded perspective view of the backlight module of the embodiment; a kind of electronic device with high-pressure air-conditioning system
Fig. 4 is a fragmentary sectional view taken along the line iv-iv of fig. 1.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 4, a first embodiment of a luminous keyboard 1 of the present utility model includes a frame 2, a thin film circuit board 3, a supporting board 4, a covering layer 5, a plurality of key modules 6, and a backlight module 7.
The frame 2 is disposed above the thin film circuit board 3, and includes a translucent frame body 21, and a plurality of key holes 22 formed in the frame body 21.
The thin film circuit board 3 is transparent and is disposed below the frame 2.
Referring to fig. 2 and 4, the supporting plate 4 is made of metal and includes a plate 41, a plurality of holes 42 formed in the plate 41 and corresponding to the lower portion of the key hole 22, and a plurality of through holes 43 formed in the plate 41 and corresponding to the lower portion of the frame 21. Wherein each four of the perforations 42 corresponds to a group of the key apertures 22 below (only two are shown in fig. 4).
The cover layer 5 is coated on the surface of the plate 41 opposite to the thin film circuit board 3 with white ink for reflecting light.
The key modules 6 are respectively disposed in the key holes 22 and correspond to the broken holes 42. Each key module 6 comprises a key cap 61, a connecting piece 62 pivotally connected between the key cap 61 and the supporting plate 4, and an elastic body 63 which is propped against the key cap 61 and the thin film circuit board 3. Wherein the connector 62 is a scissor mechanism, and the elastic body 63 is a rubber dot (rubber dome).
Referring to fig. 3 and 4, the backlight module 7 is disposed below the supporting plate 4, and includes a light source circuit board 71, a first light guide plate 72 disposed above the light source circuit board 71 and below the plate 41, a semi-light shielding layer 73 coated on a surface of the first light guide plate 72 opposite to the light source circuit board 71, a second light guide plate 74 disposed below the light source circuit board 71, a reflective layer 75 coated on a surface of the second light guide plate 74 adjacent to the light source circuit board 71, a plurality of first light emitting members 76 disposed on a surface of the light source circuit board 71 adjacent to the first light guide plate 72, a plurality of second light emitting members 77 (only one is shown in fig. 4) disposed on a surface of the light source circuit board 71 adjacent to the second light guide plate 74, and a reflective plate 78 disposed below the second light guide plate 74.
In the present embodiment, the light source circuit board 71 is a flexible printed circuit board.
The half-shading layer 73 has a half-shading area 731 corresponding to the frame body 21 and the lower portion of the through hole 43 and covering the first light guide plate 72, and a plurality of light-transmitting areas 732 communicating with the through holes 42. The semi-opaque region 731 is made of a semi-opaque and semi-transparent material to block part of the light but still allow part of the light to pass through.
The reflective layer 75 is coated on the upper surface of the second light guide plate 74 by using a reflective material, and has a plurality of reflective regions 751 corresponding to the light-transmitting regions 732 and covering the second light guide plate 74.
The first light emitting element 76 is disposed on the upper surface of the light source circuit board 71 and extends upward through the first light guide plate 72. The second light emitting member 77 is disposed on the lower surface of the light source circuit board 71 and extends downward through the second light guide plate 74. In this embodiment, the first Light emitting element 76 and the second Light emitting element 77 are Light-emitting diodes (LEDs). The light source circuit board 71 can control the first light emitting element 76 and the second light emitting element 77 to emit light simultaneously or respectively by signals, and the light source circuit board 71 can control the first light emitting element 76 and the second light emitting element 77 to emit light with the same color or different colors.
When the light source circuit board 71 controls the first light emitting element 76 to emit light, the light is transmitted in the first light guide plate 72, and can pass through the light-transmitting region 732, the hole 42, the thin film circuit board 3 and the key hole 22 upwards to be projected to the key cap 61. After passing through the light-transmitting region 732, part of the light is reflected by the cover layer 5 and re-enters the first light guide plate 72, until the light passes through the light-transmitting region 732, and then passes through the film circuit board 3 and the key hole 22 upwards through the hole 42 to be projected to the key cap 61, so that the key cap 61 emits light.
It should be noted that, although the first light emitting element 76 is mainly used for making the key cap 61 emit light, in the area of the first light guide plate 72 covered by the semi-shading area 731, a part of the light can pass through the semi-shading area 731 upwards, and then pass through the through hole 43 and the thin film circuit board 3 to be projected to the frame body 21, so that the frame body 21 emits light.
When the light source circuit board 71 controls the second light emitting member 77 to emit light, the light is transmitted in the second light guide plate 74 and reflected between the reflective area 751 and the reflective plate 78 until the light passes upward through the first light guide plate 72, the semi-light shielding area 731, the perforation 43 and the thin film circuit board 3 from the area of the second light guide plate 74 not covered by the reflective area 751 to be projected to the frame body 21, so that the frame body 21 emits the light. The light emitted by the second light emitting element 77 is reflected between the reflecting area 751 and the reflecting plate 78 for multiple times, so as to improve the uniformity and intensity of the light distribution in the second light guiding plate 74, so that more light can pass through the semi-shading area 731 and be projected upward to the frame body 21, and the frame body 21 emits light.
The user can control the first light emitting element 76 and the second light emitting element 77 to emit light simultaneously or separately through the light source circuit board 71 according to the requirement.
When the light source circuit board 71 only controls the first light emitting element 76 to emit light, the key cap 61 and the frame body 21 both emit light, but the light emitting effect of the key cap 61 is more obvious than that of the frame body 21.
When the light source circuit board 71 controls only the second light emitting member 77 to emit light, only the frame body 21 emits light.
When the light source circuit board 71 controls the first light emitting element 76 and the second light emitting element 77 to emit light simultaneously, the light emitted by the first light emitting element 76 can make the key cap 61 and the frame body 21 emit light, and the light emitted by the second light emitting element 77 can make the frame body 21 emit light, so that the frame body 21 can have an obvious and uniform light emitting effect.
In addition, the user can control the first light emitting element 76 and the second light emitting element 77 to emit the same color or different colors of light through the light source circuit board 71 according to the requirement. For example, the light source circuit board 71 can control the first light emitting element 76 to emit white light, so that the key cap 61 emits white light, and the light source circuit board 71 can control the second light emitting element 77 to emit orange light, so that the frame body 21 emits orange light. Therefore, the luminous keyboard 1 of the present utility model can provide a user with abundant visual effects and use experience.
In summary, in the light-emitting keyboard 1 of the present utility model, the frame body 21 is semitransparent, the light emitted by the first light-emitting member 76 can make the key cap 61 and the frame body 21 emit light, and the light emitted by the second light-emitting member 77 can make the frame body 21 emit light, so that the frame body 21 has an obvious and uniform light-emitting effect, and the purpose of the present utility model can be achieved.
However, the foregoing is merely exemplary of the present utility model and is not intended to limit the scope of the utility model, i.e., the utility model is defined by the appended claims and their equivalents.
Claims (4)
1. A luminous keyboard, characterized in that: comprises
The frame comprises a semitransparent frame body and a plurality of key holes formed in the frame body;
the film circuit board is arranged below the frame and can transmit light;
the support plate is arranged below the thin film circuit board, comprises a plate body, a plurality of broken holes formed in the plate body and corresponding to the lower parts of the key holes, and a plurality of through holes formed in the plate body and corresponding to the lower parts of the frame body;
the key modules are respectively arranged in the key holes and correspond to the broken holes, and each key module comprises a key cap, a connecting piece pivoted between the key cap and the supporting plate and an elastomer propped between the key cap and the thin film circuit board; a kind of electronic device with high-pressure air-conditioning system
The backlight module is arranged below the supporting plate and comprises a light source circuit board, a first light guide plate arranged above the light source circuit board and positioned below the plate body, a second light guide plate arranged below the light source circuit board, a plurality of first light emitting pieces arranged on the surface of the light source circuit board adjacent to the first light guide plate, a plurality of second light emitting pieces arranged on the surface of the light source circuit board adjacent to the second light guide plate, and a light reflecting plate arranged below the second light guide plate, wherein light rays emitted by the first light emitting pieces towards the first light guide plate can upwards pass through the broken holes, the thin film circuit board and the key holes to be projected to the key caps, and light rays emitted by the second light emitting pieces towards the second light guide plate upwards pass through the first light guide plate, the through holes and the thin film circuit board to be projected to the frame body through reflection of the light reflecting plate.
2. A lighted keypad as recited in claim 1, wherein: the backlight module further comprises a semi-shading layer coated on the surface of the first light guide plate opposite to the light source circuit board, and a reflecting layer coated on the surface of the second light guide plate adjacent to the light source circuit board, wherein the semi-shading layer is provided with a semi-shading area and a plurality of light-transmitting areas, the semi-shading area corresponds to the lower part of the frame body and the through holes and covers the first light guide plate, the light-transmitting areas are communicated with the through holes, the reflecting layer is provided with a plurality of light-transmitting areas corresponds to the light-transmitting areas and covers the reflecting areas of the second light guide plate, light emitted by the first light-emitting piece towards the first light guide plate can pass through the light-transmitting areas and the through holes and be projected to the key cap, and light emitted by the second light-emitting piece towards the second light guide plate is repeatedly reflected between the light-reflecting plate and the reflecting areas, and the light-transmitting areas, which are not covered by the reflecting areas, upwards pass through the first light guide plate, the semi-shading area, the circuit body and the film frame body.
3. A lighted keypad as recited in claim 2, wherein: the semi-shading area of the semi-shading layer is made of semi-shading and semi-light-transmitting materials so as to allow part of light to penetrate.
4. A lighted keypad as recited in claim 1, wherein: the luminous keyboard further comprises a covering layer coated on the surface of the plate body opposite to the thin film circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618791.5U CN220065518U (en) | 2023-06-26 | 2023-06-26 | Luminous keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618791.5U CN220065518U (en) | 2023-06-26 | 2023-06-26 | Luminous keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065518U true CN220065518U (en) | 2023-11-21 |
Family
ID=88754577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618791.5U Active CN220065518U (en) | 2023-06-26 | 2023-06-26 | Luminous keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065518U (en) |
-
2023
- 2023-06-26 CN CN202321618791.5U patent/CN220065518U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8884174B2 (en) | Locally illuminated keycap | |
| TWI385691B (en) | Glowing keyboard | |
| CN107731606B (en) | Luminous keyboard | |
| TW201403646A (en) | Light emitting keyboard with light passage | |
| US8360595B2 (en) | Light-guiding structure of translucent press key | |
| JP4971427B2 (en) | Electrical device lighting | |
| TW201909220A (en) | Luminous keyboard | |
| TW201907428A (en) | Luminous keyboard | |
| JP4284212B2 (en) | Illumination device | |
| CN219892094U (en) | Backlight key and backlight module thereof | |
| JPWO2008072666A1 (en) | Illuminated input device | |
| TWI624851B (en) | Direct backlighting type keyboard | |
| CN220065518U (en) | Luminous keyboard | |
| TWI654637B (en) | Light emitting keyboard | |
| WO2007061165A1 (en) | Keyboard with backlight function | |
| KR101518066B1 (en) | Flexible printed circuit board, input module and mobile apparatus | |
| JP5247500B2 (en) | Lighting device and electronic device | |
| US11728106B2 (en) | Keyboard key device | |
| CN115810498A (en) | Backlight module and light-emitting keyboard | |
| US11929217B1 (en) | Light emitting keyboard | |
| TW201907426A (en) | Luminous keyboard | |
| CN109243896B (en) | Luminous keyboard | |
| KR20080003249U (en) | Backlight Assembly For Keyboard | |
| CN217134252U (en) | Backlight module | |
| TWI797730B (en) | Backlight moudule nad lightingkeyboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |