CN201218465Y - Keyboard and its luminous module - Google Patents
Keyboard and its luminous module Download PDFInfo
- Publication number
- CN201218465Y CN201218465Y CNU2008201125381U CN200820112538U CN201218465Y CN 201218465 Y CN201218465 Y CN 201218465Y CN U2008201125381 U CNU2008201125381 U CN U2008201125381U CN 200820112538 U CN200820112538 U CN 200820112538U CN 201218465 Y CN201218465 Y CN 201218465Y
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- Prior art keywords
- light
- light source
- reflecting element
- keyboard
- emitting module
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- Expired - Lifetime
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Abstract
The utility model provides a keyboard and a light emitting module thereof. The light emitting module comprises a first light source, a first light guiding element, a first reflecting element and a second light source. The first light guiding element is provided with a first groove, and the first light source is positioned in the first groove. The first reflecting element is provided with at least one opening which is positioned under the first light guiding element. The second light source is positioned under the first reflecting element, and the luminous beam generated by the second light source penetrates through the opening and appears.
Description
Technical field
The utility model relates to a kind of light emitting module, particularly relates to a kind of keyboard that can local send the light emitting module of different colours light and have this light emitting module that has.
Background technology
Along with popularizing of computer and electronic installation, the electronic product that has computer, translator, mobile phone etc. to have key-input operation in the family also gets more and more, yet the user often can't be at dark surrounds or faint local these electronic products of operation smoothly of light.
In order to continue operation keyboard or button etc. in black dull environment, one of existing practice is about to inside that cold light panel is arranged at keyboard as light source, and when cold light panel was supplied electric power, cold light panel was launched bright dipping because of electricity causes, and allowed keyboard present luminous effect.Yet this type of cold light panel only can be launched single kind of color light, and illuminated keyboard also just can only present a kind of glow color, so the mode that the user distinguishes all buttons on the keyboard can only be differentiated by the degree that illumination illuminates button.Another practice promptly all installs a light emitting diode (LED) additional under each button or Organic Light Emitting Diode (OLED) uses as spot light.Yet, under each button, install the LED lamp additional, remove the rising that can cause cost, also can cause the problem of the poor heat radiation of keyboard.
Therefore need a kind of user of providing under dark surrounds, to continue to utilize the design of keyboard or button operation operating electronic devices, being preferably to provide the illuminated keyboard with different colours block, improves the user thus and push the correctness that is typed into correct button under dark surrounds.
The utility model content
A purpose of the present utility model is to provide a kind of easy assembling and the light emitting module of different colours light is sent in the part that can reduce production costs.
The purpose of this utility model is achieved in that promptly provides a kind of light emitting module, comprises first light source, first light-guide device, first reflecting element and secondary light source.First light-guide device has first groove, and first light source is arranged in first groove.First reflecting element has at least one opening, is positioned under first light-guide device.Secondary light source is positioned under first reflecting element, and the light that produces of secondary light source passes opening and presents.
In another embodiment, light emitting module more comprises second light-guide device with second groove, and secondary light source is arranged in second groove.In an embodiment again, light emitting module more comprises shading element and is positioned on first light-guide device, and shading element has predetermined pattern to reduce the scattering of light.In aforementioned each embodiment, first light source of light emitting module and secondary light source produce the light of different colours.
Another purpose of the present utility model is to provide a kind of keyboard with different glow color blocks, makes the user to accelerate to push the correctness that is typed into button by the block of different glow colors.
In one embodiment, the utility model provides a kind of keyboard, comprises key-press module and is positioned at the beneath light emitting module of key-press module.Light emitting module comprises: first light source; First light-guide device have one first groove, and first light source is arranged in first groove; First reflecting element has at least one opening, is positioned under first light-guide device; And secondary light source, be positioned under first reflecting element, and the light that produces of secondary light source passes opening and presents, wherein the light of first light source and secondary light source generation different colours makes key-press module have different color blocks.
In another embodiment, the light emitting module of keyboard more comprises shading element and is positioned on first light-guide device, and shading element has predetermined pattern in order to reduce the scattering of light.In an embodiment again, the light emitting module of keyboard more comprises under this opening that the 3rd light source is positioned at first reflecting element, and first light source, secondary light source and the 3rd light source send the light of different colours.In aforementioned each embodiment, this first light source and this secondary light source produce the light emitting diode (LED) of different colours light.
Advantage of the present utility model is, because the design of its light emitting module, can provide the user under dark surrounds, to continue to utilize keyboard or button operation operating electronic devices, and can provide illuminated keyboard with different colours block, improve the user thus and push the correctness that is typed into correct button under dark surrounds, this keyboard cost is low, easy to use.
Cooperate the narration and the description of drawings of following preferred embodiment, the purpose of this utility model, embodiment, feature and advantage will be more clear.
Description of drawings
For making various purpose of the present utility model and feature allow ripe this operator understand easily, provide describe in detail and in conjunction with appended accompanying drawing in down.
Fig. 1 is the section schematic diagram according to the described a kind of keyboard of first embodiment of the present utility model;
Fig. 2 is the perspective exploded view according to the light emitting module among first embodiment of the present utility model;
Fig. 3 is the generalized section according to the described a kind of illuminated keyboard of second embodiment of the present utility model;
Fig. 4 is the generalized section according to the described a kind of illuminated keyboard of the 3rd embodiment of the present utility model.
The main element symbol description
10,30,40 keyboards
100 key-press modules
200,300,400 light emitting modules
112,114,314,316,414 buttons
120 supporters
130 slim circuit boards
220 shading elements
225 light-permeable parts
230 first light-guide devices
235 first grooves
240,340,440 first reflecting elements
245,345,346,445 openings
270 first light sources
280,480 secondary light sources
390 the 3rd light sources
450 second light-guide devices
455 second grooves
460 second reflecting elements
The specific embodiment
Below with reference to the preferred embodiment of the present utility model of demonstrating of appended accompanying drawing.Similar components is to adopt the components identical symbol in the appended accompanying drawing.Should note presenting the utility model for clear, each element in the appended accompanying drawing is not the scale according to material object, and for avoiding fuzzy content of the present utility model, below existing spare part, associated materials and correlation processing technique thereof are also omitted in explanation.
With reference to figure 1, it is according to the section schematic diagram of the utility model in the described a kind of keyboard 10 of first embodiment.In first embodiment, keyboard 10 is that to provide the keyboard of input signal with notebook computer, desktop computer etc. be that example describes, and so is not as limit.The also any input block that provides by key input signal of " keyboard " of the utility model indication, for example input button of the input button of mobile phone, language translation machine etc.Keyboard 10 mainly comprises a key-press module 100 and is positioned at a light emitting module 200 under the key-press module 100.Key-press module 100 mainly is made up of institutes such as a plurality of buttons 112,114, supporter 120, slim circuit boards 130, in order to the user is shown by screen by a plurality of button 112,114 signals of being imported, or provide to instruct and be used to control performed formula in computer.
As shown in Figure 1, light emitting module 200 be by shading element 220, have first groove 235 first light-guide device 230, have at least one opening 245 first reflecting element 240, be arranged at first light source 270 in first groove 235 and the secondary light source 280 that is arranged under the opening 245 is constituted, wherein the light that produces of secondary light source 280 passes opening 245 and is presented in the key-press module 100 of a corresponding part (as button 114), makes key-press module 100 have different color block (describing in detail in the back).
With reference to figure 2, it is the perspective exploded view according to the light emitting module 200 among first embodiment of the present utility model.Shading element 220 can be the resin film with Opacifying pigment, for example has PET (PET) film or polyvinyl chloride (PVC) film of black pigment.Shading element 220 has a predetermined pattern (as shown in Figure 2), in order to seeing through the light that first light source 270 and/or secondary light source 280 are sent, and can reduce the scattering of light.In first embodiment, the predetermined pattern of shading element 220 has a plurality of light-permeable parts 225, the light that is come by 230 guiding of first LGP can be presented on default button (for example button 112), and for making the light can be from scattering between each button slit, can be with the size design of a plurality of light-permeable parts 225 on the shading element 220 for being slightly less than the keytop size.Will be appreciated that, shading element 220 in another embodiment, the shape of the light-permeable part 225 of its predetermined pattern, quantity and big I change to some extent according to design requirement.
With reference to figure 1 and Fig. 2, first light-guide device 230 is positioned at shading element 220 belows, and first groove 235 is positioned at the avris of first light-guide device 230, and is provided with first light source 270 in first groove 235.Though respectively having 4 first grooves 235 that are provided with first light source 270 with the right and left side of first light-guide device 230 in the present embodiment is that example describes, not as limit, have and know that usually the knowledgeable is when knowing, be provided with the quantity of first groove 235 of first light source 270 and position distribution also can need and change to some extent according to design, for example is arranged at the middle section of first light-guide device 230 and/or two avris up and down.First light-guide device 230, the LGP of slimming (light guide plate for example, LGP), its material can be high Merlon of optical clarity (PC) or polymethyl methacrylate (PMMA), transmit media as light source, the light that will send in first light source 270 of two avris can effectively send out on the light-emitting area uniformly, and the light-permeable part 225 of passing shading element 220 makes key-press module 100 have the first color block (for example button 112).
In addition, first reflecting element 240 is positioned under first light-guide device 230, utilizes the loss that is used to improve the light utilization rate and avoids light once more in order to exhaling the light that comes towards the below from first light-guide device 230.The material of first reflecting element 240 can be existing PET (PET) film with reflected coat layer or aluminum metal film etc.Note at this, in an embodiment of the present utility model, first reflecting element 240 can have at least one opening 245, penetrable this opening 245 of light of secondary light source 280 generations that are positioned at first reflecting element, 240 belows is presented, make key-press module 100 have one second color block (for example button 114).Preferably, secondary light source 280 is positioned at each opening 245 below of first reflecting element 240, makes the light that passes opening 245 to concentrate and is presented in corresponding button (for example button 114).In the present embodiment, first reflecting element 240 has the opening that 3 shapes differ, and for example (as shown in Figure 2) such as rectangle, circle, T types, yet not as limit, have and know the knowledgeable usually when knowing, the position of opening 245, size and shape etc. all can change to some extent according to application demand.
(light emitting diode, LED) element has advantages such as high lightness, high-luminous-efficiency, low power consumption and high reliability to light emitting diode, more because easy being arranged in the light-guide device of its volume I.Light-emitting diode can comprise white light LEDs, red-light LED, blue-ray LED, yellow light LED, green light LED or colorful LED etc.Colorful LED has the relatively large LED of several LED in same bulb simultaneously, as has the RGB LED of red-light LED, blue-ray LED and green light LED.Because colorful LED volume is bigger, so when using colorful LED, need the thicker light-guide device of relative used thickness as light source.The utility model utilizes first light source 270 and secondary light source 280 for sending light emitting diode (LED) element of different colours light at this, uses so that key-press module 100 has different color blocks.For instance, first light source 270 can be white light LEDs, and secondary light source 280 can be red-light LED, and then key-press module 100 will have first color block (for example button 112) that is formed by white light and the second color block (for example button 114) that is mixed by white light and ruddiness.
With the computer game player, A, S, D, W, space, directionkeys and input buttons such as (enter) is the most frequently used button that arrives in the recreation, if can adopt special colour code to come out, then can promote the game player thus and under dark surrounds, push the correctness that is typed into correct button, and reduce the situation that the button mistake is keyed in.The utility model is in the illustrated keyboard 10 of first embodiment, by first light source 270 is arranged in first light-guide device 230, make the button 112 of key-press module 100 have the first color block, and the secondary light source 280 that can send different colours light is arranged at opening 245 belows of first reflecting element 240, the shape of opening 245 and position are with respect to A, S, D, W, space and input key positions such as (enter), make keyboard 10 in the A of key-press module 100, S, D, W, space and input buttons 114 such as (enter) has the second color block, differentiates those buttons in order to provide.
With reference to figure 3, be generalized section according to the described a kind of illuminated keyboard 30 of second embodiment of the present utility model.The described illuminated keyboard 30 of second preferred embodiment comprises key-press module 100 and light emitting module 300, wherein with the explanation of the first concrete same or analogous part of preferred embodiment, do not repeat them here, for example the explanation of the position of key-press module 100, shading element 220, first light-guide device 230, first light source 270, secondary light source 280 and the associated member that had thereof or effect etc.In the present embodiment, light emitting module 300 more comprises one the 3rd light source 390 and is positioned under first reflecting element 340, and the 3rd light source 390 is the light-emitting diode that produces the different colours light with first light source 270, secondary light source 280, for example blue-ray LED.In addition, in the present embodiment, first reflecting element 340 has opening 345,346, and as shown in the figure, opening 345 and 346 corresponds to the different key 314 and 316 in the key-press module 100 respectively.As previously mentioned, 345,346 corresponding buttons 314 of opening and 316 can be computer game and play button such as A, S that the daily life of a family uses, D, W and blank key etc., also can need and change to some extent according to actual design.
As shown in Figure 3, the secondary light source 280 of light emitting module 300 and the 3rd light source 390 lay respectively at opening 345,346 belows of first reflecting element 340, make the light of the different colours that secondary light source 280 and the 3rd light source 390 are sent present passing opening 345,346 respectively.Therefore, key-press module 100 can have the button 314 of the second color block and the button 316 of the 3rd color block simultaneously except that the button 112 with first color block.Therefore the user can send the keyboard 30 of the light of different colours by having the part, improves convenience and the accuracy of seeking button and key tap.Be noted that, though the utility model this with light source with 3 different glow colors so that 3 kinds of different colours blocks to be provided in key-press module, have and know that usually the knowledgeable is when understanding, the utility model also can be according to the needs of using design, provide to have 4 kinds or above light sources of different colors, have 4 kinds or above different colours block with the key-press module that keyboard is provided.
With reference to figure 4, be generalized section according to the described a kind of illuminated keyboard 40 of the 3rd embodiment of the present utility model.The described illuminated keyboard 40 of the 3rd embodiment comprises key-press module 100 and light emitting module 400, and wherein the explanation of the part identical with similar with first embodiment does not repeat them here.In the present embodiment, light emitting module 400 more comprises second light-guide device 450 with second groove 455 and is positioned at second reflecting element 460 under second light-guide device 450.The material of second light-guide device 450 can be identical with first light-guide device 230, PET material (PET) for example, but the utility model is as limit, and also visual situation is replaced into other materials.In addition, second reflecting element 460 is positioned under second light-guide device 450, utilizes the loss that is used to improve the light utilization rate and avoids light once more in order to exhaling the light that comes towards the below from second light-guide device 450.The material of second reflecting element 460 can be identical or different with first reflecting element 230 material that uses, and for example has PET (PET) film of reflected coat layer or aluminum metal film etc., and the utility model is not limited at this.
In the present embodiment, secondary light source 480 is arranged in second groove 455, and can be positioned at arbitrary position of second light-guide device 450, for example avris or central authorities for second groove 455 that secondary light source 480 is set.The light that secondary light source 480 is sent can see through each opening 445 that second light-guide device 450 directs into first reflecting element 440, and makes the corresponding button (for example button 414) in the key-press module 100 have the second color block by each opening 445.Therefore, when the corresponding number of keys that has the second color block in the key-press module 100 increases, the utility model can utilize to have in the light emitting module design of secondary light source in second light-guide device is set, cause the utility model not needing under the situation that at least one light source (for example light-emitting diode) respectively is installed below the opening of each corresponding button, still can to provide keyboard simultaneously with different glow color blocks.
Claims (16)
1, a kind of light emitting module is characterized in that, comprises: first light source; First light-guide device has one first groove, and this first light source is arranged in this first groove; First reflecting element has at least one opening, is positioned under this first light-guide device; And secondary light source, be positioned under this first reflecting element, and the light that produces of this secondary light source passes this opening and presents.
2, light emitting module as claimed in claim 1 is characterized in that, more comprises second light-guide device with second groove, and this secondary light source is arranged in this second groove.
3, light emitting module as claimed in claim 1 is characterized in that, more comprises second reflecting element, is positioned under this secondary light source.
4, light emitting module as claimed in claim 1 is characterized in that, more comprise shading element and be positioned on this first light-guide device, and this shading element has a predetermined pattern to reduce the scattering of light.
5, light emitting module as claimed in claim 1 is characterized in that, this secondary light source is positioned under this opening of this first reflecting element.
6, light emitting module as claimed in claim 1 is characterized in that, this first light source and this secondary light source produce the light of different colours.
7, light emitting module as claimed in claim 1 is characterized in that, this first light source and this secondary light source produce the light emitting diode (LED) of different colours light.
8, light emitting module as claimed in claim 1 is characterized in that, more comprise the 3rd light source and be positioned under this first reflecting element, and this first light source, this secondary light source and the 3rd light source produces the light of different colours.
9, light emitting module as claimed in claim 1 is characterized in that, this opening of this first reflecting element comprises a rectangle, a circular or T type.
10, a kind of keyboard comprises: key-press module; And light emitting module, be positioned under this key-press module, it is characterized in that this light emitting module comprises: first light source; First light-guide device has first groove, and this first light source is arranged in this first groove; First reflecting element has at least one opening, is positioned under this first light-guide device; And secondary light source, be positioned under this first reflecting element, and the light that produces of this secondary light source passes this opening and presents, wherein the light of this first light source and this secondary light source generation different colours makes this key-press module have different color blocks.
11, keyboard as claimed in claim 10 is characterized in that, more comprises second light-guide device with second groove, be positioned under this first reflecting element, and this secondary light source is arranged in this second groove.
12, keyboard as claimed in claim 10 is characterized in that, more comprises second reflecting element, is positioned under this secondary light source.
13, keyboard as claimed in claim 10 is characterized in that, more comprise shading element and be positioned on this first light-guide device, and this shading element has a predetermined pattern in order to reduce the scattering of light.
14, keyboard as claimed in claim 10 is characterized in that, this secondary light source is positioned under this opening of this first reflecting element.
15, keyboard as claimed in claim 10 is characterized in that, more comprise under this opening that the 3rd light source is positioned at this first reflecting element, and this first light source, this secondary light source and the 3rd light source sends the light of different colours.
16, module as claimed in claim 10 is characterized in that, this first light source and this secondary light source are light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201125381U CN201218465Y (en) | 2008-05-07 | 2008-05-07 | Keyboard and its luminous module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201125381U CN201218465Y (en) | 2008-05-07 | 2008-05-07 | Keyboard and its luminous module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218465Y true CN201218465Y (en) | 2009-04-08 |
Family
ID=40541299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201125381U Expired - Lifetime CN201218465Y (en) | 2008-05-07 | 2008-05-07 | Keyboard and its luminous module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218465Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000424A (en) * | 2011-09-15 | 2013-03-27 | 致伸科技股份有限公司 | Light emitting keyboard |
| US8714850B2 (en) | 2009-12-28 | 2014-05-06 | Darfon Electronics Corp. | Backlight module and lighting keyboard |
-
2008
- 2008-05-07 CN CNU2008201125381U patent/CN201218465Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8714850B2 (en) | 2009-12-28 | 2014-05-06 | Darfon Electronics Corp. | Backlight module and lighting keyboard |
| US9269509B2 (en) | 2009-12-28 | 2016-02-23 | Darfon Electronics Corp. | Backlight module and lighting keyboard |
| CN103000424A (en) * | 2011-09-15 | 2013-03-27 | 致伸科技股份有限公司 | Light emitting keyboard |
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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 |
Granted publication date: 20090408 |
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| CX01 | Expiry of patent term |