CN202076170U - Light-emitting keyboard - Google Patents
Light-emitting keyboard Download PDFInfo
- Publication number
- CN202076170U CN202076170U CN201120165714XU CN201120165714U CN202076170U CN 202076170 U CN202076170 U CN 202076170U CN 201120165714X U CN201120165714X U CN 201120165714XU CN 201120165714 U CN201120165714 U CN 201120165714U CN 202076170 U CN202076170 U CN 202076170U
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- CN
- China
- Prior art keywords
- plate
- light guide
- guide plate
- illuminated keyboard
- shadow shield
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Abstract
The utility model relates to a light-emitting keyboard. The utility model solves the technical problem and provides the light-emitting keyboard. The light-emitting keyboard comprises a bottom plate, a plurality of keys which are arranged on the bottom plate, and a backlight module, and the backlight module comprises a light shading plate which is arranged below the bottom plate, a light guiding plate which is arranged below the light shading plate, a metal plate which is arranged below the light guiding plate, and a reflecting layer which is coated on the metal plate and is further positioned between the light guiding plate and the metal plate.
Description
[technical field]
The utility model refers to a kind of illuminated keyboard that is suitable for slimming especially about a kind of illuminated keyboard.
[background technology]
With regard to the use habit of present computer, keyboard is one of indispensable input equipment, in order to input characters, symbol or numeral.Along with computer is popularized gradually, today keyboard development except general input function, also emphasize visual demand.So, a kind ofly can just become the new developing direction of keyboard industry by luminous in use keyboard.
Known illuminated keyboard is to utilize a backlight module as light source mostly, to reach luminous function.Generally speaking, the backlight module of known illuminated keyboard is made up of shadow shield, light guide plate, reflecting plate and light-emitting diode.In addition, some illuminated keyboard can add a metallic plate (for example, aluminium foil) behind at backlight module, and (electrostatic discharge ESD) damages because of static discharge to avoid illuminated keyboard.Existing structure is more numerous and diverse, is unfavorable for the slimming design.
[utility model content]
A purpose of the present utility model provides a kind of illuminated keyboard, and it comprises: base plate, and a plurality of buttons are arranged on this base plate; And backlight module.Backlight module comprises: shadow shield is arranged under this base plate; Light guide plate is arranged under this shadow shield; Metallic plate is arranged under this light guide plate; And the reflector, coat on this metallic plate and between this light guide plate and this metallic plate.
As optional technical scheme, this metallic plate is an aluminium foil.
As optional technical scheme, this reflector is reflective ink lay.
As optional technical scheme, this light guide plate has a plurality of holes, and this metallic plate has a plurality of protuberances, and each this protuberance passes this hole respectively and is fixed in the lower surface of this shadow shield.As further alternative technical scheme, a upper surface of this shadow shield has a plurality of identification mark films, respectively corresponding this hole of each this identification mark film.
As optional technical scheme, this backlight module more comprises luminescence unit, is arranged at a side of this light guide plate, and the light of this luminescence unit emission projects through the direction of this light guide plate towards this base plate.
Another purpose of the present utility model provides a kind of illuminated keyboard, and it comprises: base plate, a plurality of buttons are arranged on this base plate; And backlight module.Backlight module comprises: shadow shield is arranged under this base plate; Light guide plate is arranged under this shadow shield, and this light guide plate has a plurality of holes; And reflecting plate, being arranged under this light guide plate, this reflecting plate has a plurality of protuberances, and each this protuberance passes this hole respectively and is fixed in the lower surface of this shadow shield.
As optional technical scheme, the upper surface of this shadow shield has a plurality of identification mark films, respectively corresponding this hole of each this identification mark film.
As optional technical scheme, this backlight module more comprises metallic plate, and this metallic plate is arranged under this reflecting plate.
As optional technical scheme, this backlight module more comprises luminescence unit, is arranged at a side of this light guide plate, and the light of this luminescence unit emission projects through the direction of this light guide plate towards this base plate.
Benefit of the present utility model is to make illuminated keyboard of the present utility model to be suitable for the slimming design.
[description of drawings]
Fig. 1 is the generalized section according to the illuminated keyboard of the utility model one embodiment.
Fig. 2 is the generalized section according to the illuminated keyboard of another embodiment of the utility model.
Fig. 3 is the generalized section according to the illuminated keyboard of another embodiment of the utility model.
[embodiment]
See also Fig. 1, Fig. 1 is the generalized section according to the illuminated keyboard 1 of the utility model one embodiment.As shown in Figure 1, illuminated keyboard 1 comprises base plate 10, a plurality of button 12 and backlight module 14.Each button 12 is arranged on the base plate 10, pushes for the user, and then carries out the function of user institute desire input.Backlight module 14 is arranged at base plate 10 times, to provide illuminated keyboard 1 luminous light source.
In this embodiment, illuminated keyboard 1 can comprise circuit board 16 in addition, and button 12 can comprise keycap 120, liftable supporter 122 and elastic component 124.Circuit board 16 is arranged on the base plate 10.Liftable supporter 122 and elastic component 124 all are arranged between keycap 120 and the base plate 10.When the keycap 120 of button 12 was pressed, keycap 120 can be followed the direction vertical moving of liftable supporter 122 towards base plate 10.Elastic force required when elastic component 124 promptly moves up and down as keycap 120 relative base plates 10 is originated.Elastic component 124 can be rubber washer (rubber dome), but not as limit.Have the switch corresponding on the circuit board 16, for example thin film switch (membrane switch) or other triggering property switch with button 12.When keycap 120 is pressed, the switch on the elastic component 124 meeting circuits for triggering plates 16, and then carry out the function that user institute desire is imported.
As shown in Figure 1, backlight module 14 comprises shadow shield 140, light guide plate 142, metallic plate 144, reflector 146 and luminescence unit 148.Shadow shield 140 is arranged at base plate 10 times, and light guide plate 142 is arranged at shadow shield 140 times, and metallic plate 144 is arranged at light guide plate 142 times, and 146 in reflector is coated on the metallic plate 144 and between light guide plate 142 and metallic plate 144.Luminescence unit 148 is arranged at a side of light guide plate 142, makes the light of luminescence unit 148 emissions to project through the direction of light guide plate 142 towards base plate 10.In practical application, luminescence unit 148 can be light-emitting diode, but not as limit.
In this embodiment, can in advance reflector 146 be coated on the metallic plate 144, again metallic plate 144 is attached at light guide plate 142 times.In practical application, metallic plate 144 can be aluminium foil, and reflector 146 can be reflective ink lay (for example, white ink), but not as limit.(electrostatic discharge ESD) damages metallic plate 144 because of static discharge in order to avoid illuminated keyboard 1.The light that this outer reflective layer 146 is sent in order to reflection luminescence unit 148, and then the illumination effect of increase illuminated keyboard 1.
In this embodiment, because the utility model coating reflection layer 146 on metallic plate 144 is to replace known reflecting plate, therefore, the integral thickness of illuminated keyboard 1 can reduce the thickness of known reflecting plate, makes illuminated keyboard 1 of the present utility model be suitable for the slimming design.
See also Fig. 2, Fig. 2 be according to another embodiment of the utility model illuminated keyboard 1 ' generalized section.As shown in Figure 2, illuminated keyboard 1 ' be with the main difference part of above-mentioned illuminated keyboard 1, illuminated keyboard 1 ' backlight module 14 ' light guide plate 142 ' have a plurality of holes 1420, a plurality of protuberances 1440 of and metallic plate 144 ' have.In addition, can be in advance at a plurality of identification mark films 1404 of upper surface 1402 formation of shadow shield 140, wherein each identification mark film 1404 is distinguished one of them of corresponding hole 1420.In practical application, can by imprinting process in metallic plate 144 ' on impress out protuberance 1440, and identification mark film 1404 can be printing ink.
In 14 ' time of assembling backlight module, can be earlier metallic plate 144 ' each protuberance 1440 on be coated with viscose glue, again with metallic plate 144 ' each protuberance 1440 pass respectively light guide plate 142 ' corresponding hole 1420.Then, shadow shield 140 is arranged on light guide plate 142 ' on.At this moment, each identification mark film 1404 lays respectively at corresponding hole 1420 tops.Then, each identification mark film 1404 is being pressed.By this, can with metallic plate 144 ' protuberance 1440 be fixed in the lower surface 1400 of shadow shield 140, and then with light guide plate 142 ' be fixed in metallic plate 144 ' and shadow shield 140 between.It should be noted that, the element of label identical to those shown in Fig. 1 among Fig. 2, its action principle is all identical, does not repeat them here.
See also Fig. 3, Fig. 3 is the generalized section according to the illuminated keyboard 3 of another embodiment of the utility model.As shown in Figure 3, illuminated keyboard 3 and the main difference part of above-mentioned illuminated keyboard 1 are the design of backlight module.Therefore, below only the backlight module 34 at illuminated keyboard 3 explain.
As shown in Figure 3, the backlight module 34 of illuminated keyboard 3 comprises a shadow shield 340, a light guide plate 342, a reflecting plate 344, metallic plate 346 and a luminescence unit 348.Shadow shield 340 is arranged at base plate 30 times, and light guide plate 342 is arranged at shadow shield 340 times, and reflecting plate 344 is arranged at light guide plate 342 times, and metallic plate 346 is arranged at reflecting plate 344 times.Metallic plate 344 damages because of static discharge in order to avoid illuminated keyboard 3.In practical application, metallic plate 344 can be aluminium foil, but not as limit.Luminescence unit 348 is arranged at a side of light guide plate 342, makes the light of luminescence unit 348 emissions to project through the direction of light guide plate 342 towards base plate 30.In practical application, luminescence unit 148 can be a light-emitting diode, but not as limit.In this embodiment, light guide plate 342 has a plurality of holes 3420, and reflecting plate 344 has a plurality of protuberances 3440.In addition, can be in advance at a plurality of identification mark films 3404 of upper surface 3402 formation of shadow shield 340, wherein each identification mark film 3404 is distinguished one of them of corresponding hole 3420.In practical application, can on reflecting plate 344, impress out protuberance 3440 by imprinting process, and identification mark film 3404 can be printing ink.
When assembling backlight module 34, can on each protuberance 3440 of reflecting plate 344, be coated with viscose glue earlier, again each protuberance 3440 of reflecting plate 344 is passed the corresponding hole 3420 of light guide plate 342 respectively.Then, shadow shield 340 is arranged on the light guide plate 342.At this moment, each identification mark film 3404 lays respectively at corresponding hole 3420 tops.Then, each identification mark film 3404 is being pressed.By this, the protuberance 3440 of reflecting plate 344 can be fixed in the lower surface 3400 of shadow shield 340, and then light guide plate 342 is fixed between reflecting plate 344 and the shadow shield 340.
In this embodiment, because the utility model is directly fixed on the protuberance 3440 of reflecting plate 344 lower surface 3400 of shadow shield 340 by the hole 3420 of light guide plate 342, therefore, reflecting plate 344 does not need to fix by extra viscose glue and light guide plate 342, that is the integral thickness of illuminated keyboard 3 can reduce the thickness of viscose glue, makes illuminated keyboard 3 of the present utility model be suitable for the slimming design.
The foregoing description is of the present utility model illustrating, and protection range of the present utility model should be as the criterion with claim.
Claims (10)
1. illuminated keyboard is characterized in that comprising:
Base plate;
A plurality of buttons are arranged on this base plate; And
Backlight module comprises:
Shadow shield is arranged under this base plate;
Light guide plate is arranged under this shadow shield;
Metallic plate is arranged under this light guide plate; And
The reflector is coated on this metallic plate and between this light guide plate and this metallic plate.
2. illuminated keyboard as claimed in claim 1 is characterized in that this metallic plate is an aluminium foil.
3. illuminated keyboard as claimed in claim 1 is characterized in that this reflector is reflective ink lay.
4. illuminated keyboard as claimed in claim 1 is characterized in that this light guide plate has a plurality of holes, and this metallic plate has a plurality of protuberances, and each this protuberance passes this hole respectively and is fixed in the lower surface of this shadow shield.
5. illuminated keyboard as claimed in claim 4 is characterized in that the upper surface of this shadow shield has a plurality of identification mark films, respectively corresponding this hole of each this identification mark film.
6. illuminated keyboard as claimed in claim 1 is characterized in that this backlight module more comprises luminescence unit, is arranged at a side of this light guide plate, and the light of this luminescence unit emission projects through the direction of this light guide plate towards this base plate.
7. illuminated keyboard is characterized in that comprising:
Base plate;
A plurality of buttons are arranged on this base plate; And
Backlight module comprises:
Shadow shield is arranged under this base plate;
Light guide plate is arranged under this shadow shield, and this light guide plate has a plurality of holes; And
Reflecting plate is arranged under this light guide plate, and this reflecting plate has a plurality of protuberances, and each this protuberance passes this hole respectively and is fixed in the lower surface of this shadow shield.
8. illuminated keyboard as claimed in claim 7 is characterized in that the upper surface of this shadow shield has a plurality of identification mark films, respectively corresponding this hole of each this identification mark film.
9. illuminated keyboard as claimed in claim 7 is characterized in that this backlight module more comprises metallic plate, and this metallic plate is arranged under this reflecting plate.
10. illuminated keyboard as claimed in claim 7 is characterized in that this backlight module more comprises luminescence unit, is arranged at a side of this light guide plate, and the light of this luminescence unit emission projects through the direction of this light guide plate towards this base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120165714XU CN202076170U (en) | 2011-05-15 | 2011-05-15 | Light-emitting keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120165714XU CN202076170U (en) | 2011-05-15 | 2011-05-15 | Light-emitting keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076170U true CN202076170U (en) | 2011-12-14 |
Family
ID=45114260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120165714XU Expired - Lifetime CN202076170U (en) | 2011-05-15 | 2011-05-15 | Light-emitting keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664116A (en) * | 2012-03-06 | 2012-09-12 | 苏州佳值电子工业有限公司 | An ultra thin full-reflection conducting aluminum foil plate for a keyboard |
| TWI492258B (en) * | 2013-05-10 | 2015-07-11 | Darfon Electronics Corp | Backlit keyboard and light guide module and manufacture method thereof |
| CN111584283A (en) * | 2019-02-15 | 2020-08-25 | 群光电能科技(苏州)有限公司 | Keyboard backlight module |
-
2011
- 2011-05-15 CN CN201120165714XU patent/CN202076170U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664116A (en) * | 2012-03-06 | 2012-09-12 | 苏州佳值电子工业有限公司 | An ultra thin full-reflection conducting aluminum foil plate for a keyboard |
| TWI492258B (en) * | 2013-05-10 | 2015-07-11 | Darfon Electronics Corp | Backlit keyboard and light guide module and manufacture method thereof |
| US9383504B2 (en) | 2013-05-10 | 2016-07-05 | Darfon Electronics (Suzhou) Co., Ltd. | Backlit keyboard and light guide module and manufacture method thereof |
| CN111584283A (en) * | 2019-02-15 | 2020-08-25 | 群光电能科技(苏州)有限公司 | Keyboard backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |