CN212380333U - Keyboard light guide film group of leak protection light - Google Patents
Keyboard light guide film group of leak protection light Download PDFInfo
- Publication number
- CN212380333U CN212380333U CN202021263489.9U CN202021263489U CN212380333U CN 212380333 U CN212380333 U CN 212380333U CN 202021263489 U CN202021263489 U CN 202021263489U CN 212380333 U CN212380333 U CN 212380333U
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- light
- film
- light guide
- keyboard
- guide film
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- 239000012528 membrane Substances 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model relates to a light guide assembly technical field especially indicates a keyboard leaded light membrane group of leak protection light, and it includes transparent elastic membrane, photomask, leaded light membrane, reflectance coating and the LED circuit board that sets gradually from top to bottom, be provided with a plurality of leaded light microstructures between leaded light membrane and the reflectance coating, leaded light membrane is provided with the LED light source; the shading film is provided with a plurality of light emitting units arranged at intervals; the area of the shading film and the area of the reflecting film are both larger than those of the light guide film, and the shading film and the reflecting film seal and cover the side faces of the edge of the light guide film. In the embodiment, the light shielding film and the reflection film are used for sealing and covering the side face of the edge of the light guide film, so that light in the light guide film can be emitted to the outside from the front face of the light guide film in a concentrated manner and through the light emitting unit of the light shielding film. Through being provided with transparent elastic membrane on the photomask, make the utility model discloses install behind the keyboard and make the button have more comfortable bounce-back and feel.
Description
Technical Field
The utility model belongs to the technical field of the leaded light subassembly technique and specifically relates to indicate a keyboard leaded light membrane group of leak protection light.
Background
The light guide plate of the existing light-emitting keyboard with a conventional structure is assembled below the stiffening plate of the keycap. The traditional luminous keyboard is realized by welding a light source LED lamp on a computer mainboard, or by printing light guide ink dots on a light guide material to realize a light guide effect by adopting the light guide material, and because the keyboard with a large area is required to emit light, the traditional mode of welding LEDs on the mainboard needs to occupy a large amount of mainboard space, and the keyboard can realize the whole lightening and uniformity, but the quantity of LEDs is large, the energy consumption of the whole computer is very high, and the uniformity cannot be achieved; simultaneously, lay the more LED of quantity under the keyboard, its structural design degree of difficulty is high, and optics light leak defect is difficult to overcome. The above drawbacks are obvious, and an effective solution is needed.
Disclosure of Invention
An object of the utility model is to provide a keyboard leaded light membrane group of leak protection light to prior art's not enough, its simple structure is compact, and the light energy utilization rate is high, and can solve the tradition will weld LED on the mainboard with the problem that the energy consumption is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a keyboard leaded light membrane group of leak protection light, it includes transparent elastic membrane, photomask, leaded light membrane, reflectance coating and the LED circuit board that sets gradually from last to down, be provided with a plurality of leaded light microstructures between leaded light membrane and the reflectance coating, leaded light membrane is provided with the LED light source; the shading film is provided with a plurality of light emitting units arranged at intervals; the area of the shading film and the area of the reflecting film are both larger than those of the light guide film, and the shading film and the reflecting film seal and cover the side faces of the edge of the light guide film.
The light emitting unit is a hollow structure at a character position corresponding to a keycap on the keyboard.
The light shielding film comprises a high-light-transmission substrate, white ink and black ink, wherein the white ink is arranged on the high-light-transmission substrate, and the black ink is arranged on the white ink.
Wherein, the thickness of the shading film is 0.07 mm.
Wherein the light directing film has a thickness of 0.125 mm.
Wherein the thickness of the reflecting film is 0.05 mm.
The utility model has the advantages that:
the utility model provides a keyboard leaded light membrane group of leak protection light destroys the surface of leaded light membrane through the leaded light microstructure, and then makes the light that the LED light source sent destroy and break up, realizes the diffusion of light energy propagation meson to propagate the light to each field of leaded light membrane; meanwhile, in order to prevent the side surface of the light guide film from light leakage, the light guide film is sealed and covered by the light shielding film and the reflective film (i.e., the light shielding film and the reflective film are used to wrap the edge of the light guide film), so that the light in the light guide film can be concentrated and emitted to the outside from the front surface of the light guide film through the light emitting unit of the light shielding film. This embodiment is still through being provided with transparent elastic membrane on the photomask, makes the utility model discloses install and make the button have more comfortable bounce-back and feel behind the keyboard.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a schematic view of the light shielding film, the light guiding film, the reflective film and the circuit board according to the present invention.
Description of the reference numerals
1-a transparent elastic film; 2-a light-shielding film; 21-a light emitting unit; 3-a light guiding film; 4-a reflective film; 5-LED circuit board; 7-light guiding microstructure.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the light-leakage-proof keyboard light-guiding film assembly provided by the present invention comprises a transparent elastic film 1, a light-shielding film 2, a light-guiding film 3, a reflective film 4 and an LED circuit board 5, which are sequentially arranged from top to bottom, wherein a plurality of light-guiding microstructures 7 are arranged between the light-guiding film 3 and the reflective film 4, and the light-guiding film 3 is provided with an LED light source; the shading film 2 is provided with a plurality of light emitting units arranged at intervals; the area of the shading film 2 and the area of the reflecting film 4 are both larger than that of the light guide film 3, and the shading film 2 and the reflecting film 4 seal and cover the side faces of the edge of the light guide film 3. Specifically, the LED light source may be disposed inside the light guiding film 3 (the light guiding film 3 needs to be provided with an accommodating cavity for accommodating the LED light source) or on a side surface; the LED light source is an existing LED light-emitting lamp; the LED circuit board 5 is electrically connected with the LED light source and used for controlling the opening and closing, the brightness, the working time and the like of the LED light source.
In practical application, in the embodiment, the surface of the light guide film 3 is damaged through the light guide microstructures 7, so that light emitted by the LED light source is damaged and scattered, and diffusion of light energy propagation mesons is realized, so that the light is propagated to each field of the light guide film 3, and thus energy consumption is reduced; meanwhile, in order to prevent the side surface of the light guide film 3 from light leakage, in the embodiment, the light shielding film 2 and the reflective film 4 are used to seal and cover the side surface of the edge of the light guide film 3 (i.e., the light shielding film 2 and the reflective film 4 are used to wrap the edge of the light guide film 3), so that light in the light guide film 3 can be concentrated and emitted to the outside from the front surface of the light guide film 3 and through the light emitting unit of the light shielding film 2, thereby solving the phenomenon of light leakage at the side surface of the light guide film 3, further reducing light energy loss, and greatly improving the utilization rate of the light. This embodiment is still through being provided with transparent elastic membrane 1 on photomask 2, makes the utility model discloses install and make the button have more comfortable bounce-back and feel behind the keyboard.
Preferably, the transparent elastic film 1 may be any transparent and elastic film, preferably a film formed by one or more of silicone, thermoplastic polyurethane elastomer (TPU) and thermoplastic styrene elastomer (styrene TPE), that is: the transparent elastic membrane 1 is made of one or more of silica gel, thermoplastic polyurethane elastomer (TPU) and thermoplastic styrene elastomer.
In this technical scheme, the light-emitting unit is the hollow out construction with the character position department that the key cap corresponds on the keyboard. This hollow out construction's design to on the light energy in the leaded light membrane 3 can accurately pass the key cap that penetrates the keyboard, reach the luminous effect of messenger's key cap.
In this embodiment, the light shielding film 2 includes a high-transmittance substrate, white ink and black ink, the white ink is disposed on the high-transmittance substrate, and the black ink is disposed on the white ink. The white ink of high coverage rate of 2 surface printing of shading film, after light sent from leaded light membrane 3 surfaces, white ink can play the reflection of light effect, makes the bright stronger on leaded light membrane 3 surfaces, need pay attention to the keyboard character light emitting area when the white ink of brush, makes light can see through the keyboard key cap, reaches the purpose of illuminating the character. A layer of high-covering-rate black ink is printed on the surface of the white ink, so that light in a light-emitting area of the keyboard is shielded, the light cannot penetrate through the keyboard from other positions, and characters of the keyboard are clear.
Preferably, the light shielding film 2 has a thickness of 0.07 mm. The thickness of the light guiding film 3 was 0.125 mm. The thickness of the reflective film 4 is 0.05 mm. The design of this structure can make the utility model discloses a whole thickness can reach about 0.24mm probably to reduce the thickness and the weight reduction of product, make the product more frivolous.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a keyboard light guide membrane group of leak protection light which characterized in that: the LED light source comprises a transparent elastic film, a shading film, a light guide film, a reflecting film and an LED circuit board which are sequentially arranged from top to bottom, wherein a plurality of light guide microstructures are arranged between the light guide film and the reflecting film, and the light guide film is provided with an LED light source; the shading film is provided with a plurality of light emitting units arranged at intervals; the area of the shading film and the area of the reflecting film are both larger than those of the light guide film, and the shading film and the reflecting film seal and cover the side faces of the edge of the light guide film.
2. The light guide film assembly for a light leakage-proof keyboard of claim 1, wherein: the light-emitting unit is a hollow structure at the position of the character corresponding to the keycap on the keyboard.
3. The light guide film assembly for a light leakage-proof keyboard of claim 1, wherein: the shading film comprises a high-light-transmission substrate, white ink and black ink, wherein the white ink is arranged on the high-light-transmission substrate, and the black ink is arranged on the white ink.
4. The light guide film assembly for a light leakage-proof keyboard of claim 1, wherein: the thickness of the light shielding film is 0.07 mm.
5. The light guide film assembly for a light leakage-proof keyboard of claim 1, wherein: the light directing film had a thickness of 0.125 mm.
6. The light guide film assembly for a light leakage-proof keyboard of claim 1, wherein: the thickness of the reflecting film is 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021263489.9U CN212380333U (en) | 2020-06-30 | 2020-06-30 | Keyboard light guide film group of leak protection light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021263489.9U CN212380333U (en) | 2020-06-30 | 2020-06-30 | Keyboard light guide film group of leak protection light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380333U true CN212380333U (en) | 2021-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021263489.9U Active CN212380333U (en) | 2020-06-30 | 2020-06-30 | Keyboard light guide film group of leak protection light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380333U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038703A (en) * | 2021-11-10 | 2022-02-11 | 深圳深汕特别合作区汇创达电子智能科技有限公司 | A straight-through three-in-one light-emitting key core module |
| CN115458356A (en) * | 2021-06-09 | 2022-12-09 | 重庆达方电子有限公司 | Illuminated keys |
-
2020
- 2020-06-30 CN CN202021263489.9U patent/CN212380333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458356A (en) * | 2021-06-09 | 2022-12-09 | 重庆达方电子有限公司 | Illuminated keys |
| CN114038703A (en) * | 2021-11-10 | 2022-02-11 | 深圳深汕特别合作区汇创达电子智能科技有限公司 | A straight-through three-in-one light-emitting key core module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 701, Building 2, R&D Building, Lihe Zijing Science and Technology Innovation Center, No. 55 Qinghu East Road, Qingxi Town, Dongguan City, Guangdong Province 523660 Patentee after: DONGGUAN JUXIN ELECTRONICS CO.,LTD. Country or region after: China Address before: 523000 xiangwo Industrial Zone, Tiesong village committee, Qingxi Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JUXIN ELECTRONICS CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |