CN201218464Y - Keyboard and its luminous module - Google Patents
Keyboard and its luminous module Download PDFInfo
- Publication number
- CN201218464Y CN201218464Y CNU2008201125377U CN200820112537U CN201218464Y CN 201218464 Y CN201218464 Y CN 201218464Y CN U2008201125377 U CNU2008201125377 U CN U2008201125377U CN 200820112537 U CN200820112537 U CN 200820112537U CN 201218464 Y CN201218464 Y CN 201218464Y
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- light
- guide zone
- light guide
- emitting module
- light source
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- Expired - Lifetime
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- Push-Button Switches (AREA)
Abstract
The utility model provides a keyboard and a light emitting module thereof. The light emitting module comprises a light guiding element, a first light source and a second light source. The light guiding element comprises a first light guiding area, a second light guiding area and a light shielding area, and the light shielding area is arranged between the first light guiding area and the second light guiding area. The first light source generates first colored luminous beam in the first light guiding area. The second light source generates second colored luminous beam in the second light guiding area, wherein the light shielding area obstructs the first light guiding area from the second light guiding area so as to prevent the first color luminous beam from blending with the second color luminous beam.
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 in black dull environment, to continue operation keyboard or button etc., one of existing practice is about to cold light panel and is arranged at the inside of keyboard as light source, when cold light panel was supplied electric power, cold light panel was launched coloured light because of electricity causes, and allows 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 electronic installation, 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 the light emitting module that a kind of easy assembling is provided and can reduces production costs, and this light emitting module can local send the light of different colours or same color.
The purpose of this utility model is achieved in that promptly provides a kind of light emitting module, comprises a light-guide device, one first light source and a secondary light source.Light-guide device comprises one first light guide zone, one second light guide zone and a shading region, and shading region is between first light guide zone and second light guide zone.First light source produces one first color light in first light guide zone, and secondary light source produces one second color light in second light guide zone, and wherein shading region intercepts first light guide zone and second light guide zone, makes win color of light line and the blending mutually of the second color light.
In the aforementioned embodiment, shading region has a preset shape in order to surround second light guide zone.In another embodiment, shading region is a gap, and first light guide zone and second light guide zone are LGPs independently separately.In an embodiment again, first light guide zone, second light guide zone and shading region are shaped on the LGP.
Another purpose of the present utility model is to provide a kind of keyboard that can local present different colours light, 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 a key-press module; One light emitting module is arranged under the key-press module.Light emitting module comprises a light-guide device, one first light source and a secondary light source.Light-guide device comprises one first light guide zone, one second light guide zone and a shading region, and shading region is between first light guide zone and second light guide zone.First light source produces one first color light in first light guide zone, and secondary light source produces one second color light in second light guide zone, wherein shading region intercepts first light guide zone and second light guide zone, make the not blending mutually in light-guide device of the first color light and the second color light, and key-press module optionally presents the first color light or the second color light at a predeterminated position.
In the aforementioned embodiment, first light source and secondary light source are light emitting diode (LED).In another embodiment, and shading region is a gap, and surrounds second light guide zone with a preset shape.In an embodiment again, light emitting module more comprises a shade element and is positioned on the light-guide device, and the shade element has a predetermined pattern to reduce the scattering of light.
Advantage of the present utility model is, because the design of the light emitting module of described keyboard, can make the user under dark surrounds, continue to utilize keyboard or button operation electronic installation, and described illuminated keyboard also has the different colours block, improve the user thus and push the correctness that is typed into correct button under dark surrounds, this easy assembling of keyboard and production cost with light emitting module is low.
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
Fig. 1 shows the schematic top plan view according to a kind of keyboard of first embodiment of the present utility model;
Fig. 2 shows the generalized section according to keyboard A-A ' along the line in Fig. 1 of first embodiment of the present utility model;
Fig. 3 shows the schematic top plan view according to the light-guide device of first embodiment of the present utility model;
Fig. 4 shows the generalized section according to a kind of keyboard of second embodiment of the present utility model;
Fig. 5 shows the schematic top plan view according to the light-guide device of second embodiment of the present utility model;
Fig. 6 shows the generalized section according to a kind of illuminated keyboard of the 3rd embodiment of the present utility model.
The main element symbol description
10,40,60 keyboards
100 key-press modules
112,114,618 buttons
120 elastomers
130 support binding
140 slim circuit boards
200,400,600 light emitting modules
210,410 shade elements
215,415 light-permeable parts
220,420,620 light-guide devices
222,422 first light guide zone
224,424 second light guide zone
226,426 shading regions
230 reflecting elements
240,440 first light sources
250,450 secondary light sources
660 the 3rd light sources
The specific embodiment
The utility model is by following accompanying drawing can obtain best understanding in conjunction with following detailed description with it.What emphasize at this is according to general embodiment, each feature and nonessentially draw to scale in the accompanying drawing.On the contrary, for clear expression, the size of each feature can be amplified arbitrarily or dwindle.In whole specification and accompanying drawing, similarly similar feature represented in code name.
With reference to figure 1, it shows the schematic top plan view according to a kind of keyboard 10 of first embodiment of the present utility model.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.As shown in the figure, keyboard 10 has a plurality of buttons, as numerical key, symbol keys, letter key, directionkeys, blank key and function key or the like, wherein represent the letter key of WASD, blank key, enter key (Enter) and representative directionkeys up and down etc. to have the glow color different with other buttons.
With reference to figure 2, show generalized section according to keyboard 10 A-A ' along the line in Fig. 1 of first embodiment of the present utility model.As shown in the figure, keyboard 10 mainly comprises key-press module 100 and is positioned at the light emitting module 200 of key-press module 100 belows.Key-press module 100 mainly is made up of institutes such as existing a plurality of buttons 112,114, elastomer 120, support binding 130 and slim circuit boards 140, in order to the user is come out by screen display by a plurality of button 112,114 signals of being imported, or provide to instruct and be used to control performed program in computer.
Shade element 210 can be to have Opacifying pigment or is coated with the resin film of Opacifying pigment, for example PET (PET) film or polyvinyl chloride (PVC) film in a side.Shade element 210 has a predetermined pattern to be used so that the light that first light source 240 or secondary light source 250 are sent sees through, and can reduce the scattering of light.For instance, shade element 210 can have a plurality of light-permeable parts 215, a plurality of light-permeable parts 215 positions are corresponding with the button position that will illuminate, the light that is come by light-guide device 220 guidings can be presented at corresponding button (for example button 112 and 114), 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 215 on the shade element 210 for being slightly less than the keytop size.As shown in Figure 2, a plurality of light-permeable parts 215 in the present embodiment are example with a plurality of perforates, make shade element 210 for having a film of a plurality of openings, so not as limit.In other embodiments, a plurality of light-permeable parts 215 also have the high material of optical clarity, for example PET (PET), Merlon (PC) or polymethyl methacrylate (PMMA) etc.On the other hand, ripe this skill person is when understanding, and the quantity of the light-permeable part 215 of shade element 210, shape, size, distribution etc. all can need and variation to some extent according to actual design.
With reference to figure 3, show schematic top plan view according to the light-guide device 220 of first embodiment of the present utility model.Light-guide device 220, for example (light guide plate LGP), is positioned at shade element 210 belows to LGP, and its material can be high Merlon of optical clarity (PC) or polymethyl methacrylate (PMMA) etc., transmits media as light source.As mentioned above, light-guide device 220 comprises first light guide zone 222, second light guide zone 224 and shading region 226.First light guide zone 222, second light guide zone 224 and shading region 226 can be and be shaped on the light-guide device 220, for example utilize punch process or milling mode to form to have between the preset shape crack on light-guide device 220, and this gap is enclosed in second light guide zone 224 wherein, to form first light guide zone 222, second light guide zone 224 and shading region 226 (gap that promptly has preset shape) as shown in Figure 3.Note at this, though in the present embodiment first light guide zone 222, second light guide zone 224 and shading region 226 are shaped on the light-guide device 220, so in another embodiment, first light guide zone 222 and second light guide zone 224 also can be non-being shaped on the light-guide device 220.For instance, can form have a preset shape first light guide zone 222 of opening of (for example circle or rectangle etc.) earlier respectively, and have similar shape but size less than second light guide zone 224 of the size of this opening, then second light guide zone 224 is positioned in the opening of first light guide zone 222, then between first light guide zone 222 and second light guide zone 224, form a shading region 226, make the obstruct by shading region 226 of win light guide zone 222 and second light guide zone 224 become separately independently LGP (as shown in Figure 5).
Refer again to Fig. 2 and Fig. 3, several first light sources 240 are adjacent at least one avris of first light guide zone 222, the first color light that the light source 240 of winning is sent can be by 222 guiding of first light guide zone, and effectively sending out uniformly on the light-emitting area, and the light-permeable part 215 of passing shade element 210, make the part button of key-press module 100 present the first color light (for example button 112).In addition, be provided with at least one secondary light source 250 in each second light guide zone 250, the second color light that makes secondary light source 250 be sent can be by 224 guiding of second light guide zone, and the light-permeable part 215 of passing second light guide zone, 224 tops, make the button of key-press module 100 neutralizations second light guide zone 224 opposite positions present the second color light (for example button 114).For instance, the position of second light guide zone 224, size and distributed number etc. can will present the key position of the second color light and decide according to corresponding, and the alphabet key below that for example is positioned at WASD is convex, is positioned at blank key below one-tenth rectangle etc.Reflecting element 230 is positioned under the light-guide device 220, utilizes the loss that is used to improve the light utilization rate and avoids light once more in order to the first color light or the second color light with 220 loss of light-guide device.
(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 simultaneously, as has the RGB LED of red-light LED, blue-ray LED and green light LED.The utility model utilizes first light source 240 and secondary light source 250 for sending light emitting diode (LED) element of different colours light at this, uses so that key-press module 100 can present different color light at predeterminated position.For instance, first light source 240 can be white light LEDs, and secondary light source 250 can be blue-ray LED, then will have first color block (for example button 112) that presents white light and the second color block (for example button 114) that presents blue light in the key-press module 100.In another embodiment, first light source 240 of the present utility model and secondary light source 250 also can be all colorful LED or one of them and be colorful LED, and then the user can adjust keyboard 10 according to need and makes it integral body and present same color light or the local different colours light that presents more than 1 to 2 kind.
With the computer game player, the letter key of ASDW, blank key, directionkeys and input buttons such as (enter) are 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 at the illustrated keyboard 10 of first embodiment, by first light source 240 is arranged at first light guide zone 220, make the button 112 of key-press module 100 present the first color light, and the secondary light source 250 that can produce the second color light is arranged at second light guide zone 224, the shape of second light guide zone 224 and position are with respect to the letter key of ASDW, blank key and enter key key positions such as (Enter), make keyboard 10 in the letter key of the ASDW of key-press module 100, blank key and enter key buttons 114 such as (Enter) present the second color light, differentiate those buttons in order to provide.
With reference to figure 4, show generalized section according to a kind of keyboard 40 of second embodiment of the present utility model.Keyboard 40 comprises key-press module 100 and is positioned at the light emitting module 400 of key-press module 100 belows, 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 comprises shade element 410, light-guide device 420, first light source 440 and secondary light source 450, wherein shade element 410 has a plurality of light-permeable parts 415, pass this a plurality of light-permeable parts 415 in order to the light that light-guide device 420 guidings are come, make corresponding button present first color light (for example button 112) or the second color light (for example button 114).In this embodiment, light-permeable part 415 can be the plastic material with light transmission, for example PET (PET), Merlon (PC) or polymethyl methacrylate (PMMA) etc.
With reference to figure 5, show schematic top plan view according to the light-guide device 420 of second embodiment of the present utility model.In this embodiment, light-guide device 420 comprises first light guide zone 422, second light guide zone 424 and shading region 426, and first light source 440 is arranged in first light guide zone 422, and secondary light source 450 is arranged at the avris that shading region 426 is adjacent to second light guide zone 424.As shown in the figure, the obstruct of the utility model by shading region 426 makes first light guide zone 422 and second light guide zone 424 be LGP independently separately, makes win color of light line and the not blending mutually of the second color light.For instance, the utility model can utilize punch process or milling mode on light-guide device 420 in one-body molded or non-one-body molded mode, form and to have preset shape between (for example circular, rectangle or convex etc.) crack or groove (being shading region 426) between first light guide zone 422 and second light guide zone 424.As shown in Figure 5, shading region 426 surrounds second light guide zone 424 fully, make second light guide zone 424 and first light guide zone 422 be separated into separately independently LGP, to reach the effect that intercepts the light blending, be preferably further at least one avris coating light screening material or the reflecting material of shading region 426, to improve the barriering effect of light.In another embodiment, also can in shading region 426, fill light screening material (for example black foam) or reflecting material (for example aluminium reflecting plate) etc., to reach the effect of obstruct.
With reference to figure 6, show generalized section according to a kind of illuminated keyboard 60 of the 3rd embodiment of the present utility model.The described illuminated keyboard 60 of the 3rd embodiment comprises key-press module 100 and light emitting module 600, wherein with the explanation of first embodiment or the same or analogous part of second embodiment, do not repeat them here, for example the explanation of the position of key-press module 100, shade element 210, reflecting element 230, first light source 240, secondary light source 250 and the associated member that had thereof or effect etc.Light-guide device 620 in the light emitting module 600 comprises first light guide zone 222, second light guide zone 224, the 3rd light guide zone 628 and shading region 226, wherein at least one avris of first light source, 240 adjacency, first light guide zone 222 is to produce the first color light, secondary light source 240 is arranged in second light guide zone 222 producing the second color light, and the 3rd light source 660 is arranged in the 3rd light guide zone 628 to produce the 3rd color light.In the present embodiment, the 3rd light source 660 is the light-emitting diode that produces the different colours light with first light source 240, secondary light source 250, for example blue-ray LED.Intercept between first light guide zone 222 and second light guide zone 224, between first light guide zone 222 and the 3rd light guide zone 628 and/or between second light guide zone 224 and the 3rd light guide zone 628 by shading region 226, make the not blending mutually in light-guide device 620 of the color of light line of winning, the second color light and the 3rd color light, and a plurality of buttons of key-press module 100 can present the first color light (as button 112), other buttons can present the second color light (as button 114) and other corresponding buttons can present the 3rd color light (as button 618).
Therefore the user can send the illuminated keyboard 60 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 key-press module presents 3 kinds of different colours light blocks, 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, so that the key-press module of keyboard has 4 kinds or above different colours light block.
Claims (20)
1, a kind of light emitting module, this light emitting module comprises: light-guide device, first light source and secondary light source, it is characterized in that, this light-guide device comprises first light guide zone, second light guide zone and shading region, this shading region is between this first light guide zone and this second light guide zone, this first light source produces the first color light in this first light guide zone, this secondary light source produces the second color light in this second light guide zone, wherein this shading region intercepts this first light guide zone and this second light guide zone, makes the not blending mutually of this first color light and this second color light.
2, light emitting module as claimed in claim 1 is characterized in that, this first light source is adjacent to a side of this light-guide device.
3, light emitting module as claimed in claim 1 is characterized in that, this first light source is arranged in this first light guide zone.
4, light emitting module as claimed in claim 1 is characterized in that, this secondary light source is arranged in this second light guide zone.
5, light emitting module as claimed in claim 1 is characterized in that, this secondary light source is positioned at the sidewall of this shading region in abutting connection with this second light guide zone.
6, light emitting module as claimed in claim 1 is characterized in that, this first light source and this secondary light source are light emitting diodes.
7, light emitting module as claimed in claim 1 is characterized in that, this shading region comprises a light screening material.
8, light emitting module as claimed in claim 1 is characterized in that, this shading region comprises a reflecting material.
9, light emitting module as claimed in claim 1 is characterized in that, this shading region has a preset shape in order to surround this second light guide zone.
10, light emitting module as claimed in claim 1 is characterized in that, this shading region is a gap.
11, light emitting module as claimed in claim 1 is characterized in that, this first light guide zone and this second light guide zone are LGPs independently separately.
12, light emitting module as claimed in claim 1 is characterized in that, this first light guide zone, this second light guide zone and this shading region are shaped on the LGP.
13, a kind of keyboard, comprise: key-press module and light emitting module, this light emitting module is arranged under this key-press module, and comprise: light-guide device, first light source and secondary light source, it is characterized in that, this light-guide device comprises first light guide zone, second light guide zone and shading region, this shading region is between this first light guide zone and this second light guide zone, this first light source produces the first color light in this first light guide zone, this secondary light source produces the second color light in this second light guide zone, wherein this shading region intercepts this first light guide zone and this second light guide zone, make the not blending mutually in this light-guide device of this first color light and this second color light, and this key-press module optionally presents this first color light or this second color light at a predeterminated position.
14, keyboard as claimed in claim 13 is characterized in that, this first light source is arranged in this first light guide zone.
15, keyboard as claimed in claim 13 is characterized in that, this secondary light source is arranged in this second light guide zone.
16, keyboard as claimed in claim 13 is characterized in that, this shading region surrounds this second light guide zone with a preset shape.
17, keyboard as claimed in claim 13 is characterized in that, this shading region is a gap.
18, keyboard as claimed in claim 13 is characterized in that, this first light source and this secondary light source are light emitting diodes.
19, keyboard as claimed in claim 13 is characterized in that, this light emitting module more comprises a shade element and is positioned on this light-guide device, and this shade element has a predetermined pattern to reduce the scattering of light.
20, keyboard as claimed in claim 13 is characterized in that, this light emitting module more comprises a reflecting element and is positioned at this light-guide device below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201125377U CN201218464Y (en) | 2008-05-07 | 2008-05-07 | Keyboard and its luminous module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201125377U CN201218464Y (en) | 2008-05-07 | 2008-05-07 | Keyboard and its luminous module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218464Y true CN201218464Y (en) | 2009-04-08 |
Family
ID=40541298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201125377U Expired - Lifetime CN201218464Y (en) | 2008-05-07 | 2008-05-07 | Keyboard and its luminous module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218464Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305810A (en) * | 2018-01-31 | 2018-07-20 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| TWI795868B (en) * | 2021-08-11 | 2023-03-11 | 致伸科技股份有限公司 | Backlight control system |
-
2008
- 2008-05-07 CN CNU2008201125377U patent/CN201218464Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305810A (en) * | 2018-01-31 | 2018-07-20 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| CN108305810B (en) * | 2018-01-31 | 2019-08-27 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| TWI795868B (en) * | 2021-08-11 | 2023-03-11 | 致伸科技股份有限公司 | Backlight control system |
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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 |