CN201269489Y - Backlight module and luminous keyboard employing the same - Google Patents
Backlight module and luminous keyboard employing the same Download PDFInfo
- Publication number
- CN201269489Y CN201269489Y CNU2008201541508U CN200820154150U CN201269489Y CN 201269489 Y CN201269489 Y CN 201269489Y CN U2008201541508 U CNU2008201541508 U CN U2008201541508U CN 200820154150 U CN200820154150 U CN 200820154150U CN 201269489 Y CN201269489 Y CN 201269489Y
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- Prior art keywords
- light source
- light
- lgp
- backlight module
- button
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- Expired - Lifetime
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Abstract
The utility model relates to a backlight module and an illuminated keyboard integrated with the backlight module. The backlight module comprises a light guide plate and a plurality of light sources. The light guide plate is divided into a plurality of sections by opaque isolated component parts. At the side of each section of the light guide plate, at least one light source is arranged and the light source gives off light of different colors. The beneficial effect of the utility model is as follows: the backlight module can produce visual effects with various colors changing. The backlight model can be installed in the keys and forms an illuminated keyboard to ensure that different functional parts on the keyboard can produce different luminous visual effects.
Description
Technical field
The utility model relates to a kind of backlight module and in conjunction with the illuminated keyboard of this backlight module, relates in particular to the distribution of light sources in this backlight module and the structure of this illuminated keyboard.
Background technology
The early stage notes type or the keyboard of desktop PC all can't be luminous, but along with the backlight module development of technology, existing manufacturer is provided with light-emitting device at keyboard, allows keyboard itself except possessing illuminating effect, also has decoration function simultaneously concurrently.
The tw Taiwan is announced " illuminated keyboard " that the patent case is provided No. 509955, its technical characterictic is to include button portion and back lighting device, this button portion has a base plate, and the mode that moves up and down of base plate and be located at least one button on the base plate relatively, and back lighting device is that button subordinate side is set, and back lighting device can provide button portion light source from button subordinate side thus.This purpose of announcing No. 509955 patent case is except the keyboard illumination effect is provided, and also takes into account the thickness requirement that dwindles illuminated keyboard simultaneously.
" keyboard structure " that I220213 patent case is provided announced in the tw Taiwan, then includes a base plate, a light conductor, a film circuit board, a button assembly and a luminescence component; This leaded light system is arranged on the base plate; This film circuit board is to be arranged on the light conductor; This button assembly is to be arranged on the film circuit board, and has a keycap and an elastomer, and this elastomer is between this keycap and film circuit board; This luminescence component is to be adjacent to this light conductor, and is arranged under this film circuit board; The light that this luminescence component sent is to export this elastomer and keycap to via the light conductor conduction, makes keycap produce illumination effect.This announces the purpose of I220213 patent case, and the structure that then is to simplify keyboard that can be luminous in the prior art is complicated problems too.
Can't further reduce the thickness of keyboard again based on the structure of No. 509955 patent case of aforementioned bulletin; The keyboard thickness of announcing I220213 patent case is then bigger; And the LGP (or light conductor) of this two previous patent case does not all have reinforced structure, influences the problem of optical effect so that be easy to generate deflection; Also there is the applicant once to propose patent application case No. 096215231, so that the backlight module in the illuminated keyboard, its LGP has more high strength and can not produce deflection, avoids influencing the problem of optical appearance, can simplify simultaneously the structure of illuminated keyboard, allow the gross thickness of keyboard integral body dwindle again.
Aforementioned each previous patent case and application case, the plural light source in its backlight module all can only produce with a kind of light, and therefore, the light that appears from keyboard also just has only a kind of, visually comparatively dull.In fact, the button on the general computer keyboard is all according to its function and plan that in different functional areas for example: numerical key is planned on the right; Directionkeys planning is below near the right side; Function key planning up; Editing key planning is in both sides; Letter key planning is at middle section; ... etc., but traditional illuminated keyboard all fails to design different luminous visual effects at the difference in functionality district of keyboard.
Summary of the invention
The utility model technical issues that need to address have provided a kind of backlight module, and at the backlight module of prior art, the problem that can only produce single visual effect is improved;
The utility model provides also that finishing closes states two kinds of illuminated keyboards of backlight module.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Backlight module in the utility model comprises: a LGP and plural light source; Described LGP separates out some sections by the barrier assembly of light-permeable not, and each section side of described LGP is respectively equipped with at least one light source, and the set light source of each described section side is the light that produces different colours respectively;
A kind of illuminated keyboard in the utility model comprises: a backlight module; Described backlight module has a LGP and plural light source, described LGP separates out some sections by the barrier assembly of light-permeable not, each section side of described LGP is respectively equipped with at least one light source, and the set light source of each described section side is the light that produces different colours respectively; One button is formed; Described button composition is located at this backlight module top, described button is formed and is included a circuit board, and have elastomer and be located at plastic sheeting on this circuit board, and a button portion that is located on this plastic sheeting and the elastomer, this button portion moves up and down with respect to this LGP;
Another kind of illuminated keyboard in the utility model comprises: a button is formed; Described button is formed and is had a base plate and at least one button portion, and wherein this button portion is arranged on this base plate in the mode that this base plate relatively moves up and down; And a backlight module, be arranged at this button and form the below, can below forming, this button provide this button portion light source by this backlight module; Described backlight module has a LGP and at least one light source, described LGP separates out some sections by the barrier assembly of light-permeable not, each section side of described LGP is respectively equipped with light source, and the set light source of each described section side is the light that produces different colours respectively.
Compared with prior art, the beneficial effects of the utility model are: backlight module can produce the visual effect that multicolour changes, and utilizes this backlight module, can be installed on button and form and constitute an illuminated keyboard, allow difference in functionality district on the keyboard, produced different luminous visual effects respectively.
Description of drawings
Fig. 1 is provided with the schematic top plan view of single light source respectively at each section side for the LGP that shows backlight module in the utility model.
Fig. 2 is provided with the schematic top plan view of light source group respectively at each section side for the LGP that shows backlight module of the present utility model;
Fig. 3 A to Fig. 3 C is for showing the manufacturing process schematic diagram of LGP of the present utility model and metallic plate combination;
Fig. 4 is for showing that backlight module of the present utility model is incorporated into button and forms, to constitute the embodiment section plan of illuminated keyboard;
Fig. 5 is incorporated into the button composition of another kind of structure for showing backlight module of the present utility model, to constitute the embodiment section plan of illuminated keyboard.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
The utility model is that the LGP that backlight module is comprised is separated out several zones, and in each zone the plural light source that can produce different colours is set respectively, can produce different light color variation effects respectively in each zone.When described backlight module is incorporated into button, make the functional areas of the position of each light source corresponding to keyboard, therefore, when light source with the ray cast of different colours during in LGP, can conduct different light in the zones of different of LGP, thereby produce the visual effect of differentiation in the zones of different of keyboard.
Based on this, backlight module of the present utility model includes a LGP and plural light source, this LGP one in moulding is combined with the metallic plate that bending forming in advance goes out plural protuberance, make this metallic plate be positioned at bottom surface of light guide plate, utilize those protuberances that LGP is separated out plural section simultaneously, so that LGP has better intensity; Described metallic plate then is provided with the positioning component of outstanding lug before not in conjunction with LGP in advance, when LGP with ejection forming technique with after metallic plate combines, make those lugs and positioning component pass LGP, to be connected with bar linkage structure that button is formed; Described light source can be single or be the side that group's mode is located at each section of this LGP respectively, and the light source of each section can send the light of different colours, after light source enters LGP with the ray cast of different colours, light is able to via LGP conduction, allows the button of zones of different produce the illumination effect of different colours.
Illuminated keyboard in the utility model can utilize aforementioned backlight module to be incorporated into the button composition to constitute an illuminated keyboard, during its combination, be that the button composition is located on the LGP of this backlight module, after light source enters LGP with ray cast, light is able to via the LGP conduction, produces different visual effects with the difference in functionality zone at keyboard.
Illuminated keyboard in the utility model also can be located at described backlight module the button with base plate and form the below, makes the light that backlight module produced conduct to button from lower to upper.
Fig. 1 is for showing a preferred embodiment of the backlight module in the utility model, it has a LGP 1, the bottom surface one of this LGP 1 is combined with metallic plate 2, and this metallic plate 2 has plural protuberance 210 so that LGP 1 is separated out plural section, can't allow light conduct mutually because of being subjected to protuberance 210 obstructs between adjacent two sections; Each section side of LGP 1 is respectively provided to a few light source, and light source can enter the side projection of light from LGP 1, allows the independence of the section separately conducting light of LGP.
At embodiment shown in Figure 1, the light source of each described section setting is one, is respectively the first light source 3A, secondary light source 3B, the 3rd light source 3C and the 4th light source 3D, and the first light source 3A to the, four light source 3D produce the light of different colours respectively; For example, the first light source 3A is a ruddiness, and secondary light source 3B is a green glow, and the 3rd light source 3C is a blue light, and the 4th light source 3D is a gold-tinted; Therefore, after those light sources enter each section of LGP 1 with the ray cast of different colours, be able to send colors such as red, green, blue, Huang, after those light appear keyboard, then can produce special visual effect at those sections.
Fig. 2 shows another embodiment of backlight module in the utility model, can the light source group be set respectively at each described section side of LGP 1, and each light source group then comprises a plurality ofly can send light sources of different colors; For example, the first light source group 3A1, secondary light source group 3B1, the 3rd light source group 3C1 and the 4th light source group 3D1 include the light source of red, yellow, green three kinds of colors respectively, those light source groups can cooperate the control of circuit and chip program, allow the user when the button in operation keyboard difference in functionality zone, can allow specific light source luminescent, thereby make keyboard obtain more polynary variations in light effect.
Consult Fig. 3 A-Fig. 3 C again, the LGP 1 of backlight module and the preferable integrated structure of metallic plate 2 in the utility model, can get the metallic plate 2 on a plane as shown in Figure 3A, with press this metallic plate is bestowed processing and formed plural lug boss 21 again, to form second a higher upper surface 210 at lug boss 21, relatively low then is first upper surface 20; 2 of metallic plates between the adjacent protrusion portion 21 stamp out the lug 23 and positioning component 24 of plural number toward upper process, even can stamp out plural hole 22 (shown in Fig. 3 B) again; Described lug 23 is to determine according to the position of the needed button of keyboard portion's quantity and setting with the quantity and the position of positioning component 24; Second upper surface 210 of this lug boss 21 to the distance of this metallic plate first upper surface 20 equals to prepare the thickness of the LGP 1 of manufacturing.2 of metallic plates that formed behind lug 23 and the positioning component 24 are placed in the mould, the material that to make LGP with ejection forming technique is injected and is formed LGP 1 in the mould again, after manufacturing is finished, the upper surface 11 that long lug 23 and 24 of positioning components can pass LGP 1, and the LGP material can enter hole 22, allow LGP 1 firmly combine with metallic plate 2, make the upper surface 11 of LGP 1 and second upper surface 210 concordant (shown in Fig. 3 C) of lug boss 21 simultaneously, by this lug boss 21 LGP is separated out some sections, can't allow light conduct mutually thereby make between adjacent two sections.
Fig. 4 shows that the utility model can utilize aforesaid backlight module to constitute an illuminated keyboard in conjunction with button composition 4; It is to be located on the LGP 1 of this backlight module that described button forms 4, and after light source entered LGP with ray cast, light was able to via the LGP conduction, produced different visual effects with the difference in functionality zone at keyboard.
Described button is formed 4 and is included a button portion 41, a bar linkage structure 43, a circuit board 44, and the plastic sheeting 45 that is provided with elastomer 42 above, this bar linkage structure 43 is two pairs of connecting rods that intersection articulates, wherein the top and bottom of pair of links are articulated in button portion 41 belows and lug 23 respectively, another top and bottom to connecting rod then are connected to button portion 41 belows and positioning component 24, to finish the assembling of button composition 4 and LGP 1 top.
Fig. 5 is for showing another embodiment of illuminated keyboard of the present utility model, the button that aforesaid backlight module can be incorporated into different structure forms 4, described button is formed and is had a base plate 46 and at least one button portion 41, this button portion 41 is arranged on this base plate 46 in the mode that this base plate relatively moves up and down, and this base plate is provided with through hole 461 corresponding to the position of button portion.Below button composition 4, aforesaid backlight module is set then, the LGP 1 of this backlight module separates out some sections with Specifications with the metallic plate 2 of light-permeable not, the position of each section is then to should through hole 461, therefore, when being able to form the below from this button, the light that LGP 1 conducts up provides this button portion 41 light sources; The set light source of each described section side is to produce the light of different colours respectively to be same as aforesaid mode.
The above in order to explain preferred embodiment of the present utility model, is not that attempt is according to this to doing any formal restriction in the utility model only; All have following of identical spirit do relevant any modification or change, all must be included in the protection domain of the present utility model.
Claims (12)
1, a kind of backlight module comprises: a LGP and plural light source; It is characterized in that: described LGP separates out some sections by the barrier assembly of light-permeable not, and each section side of described LGP is respectively equipped with at least one light source, and the set light source of each described section side is the light that produces different colours respectively.
2, backlight module according to claim 1 is characterized in that: described barrier assembly is a kind of metallic plate, and this metallic plate is incorporated into the bottom surface of described LGP, simultaneously this LGP is separated out plural section.
3, backlight module according to claim 1 is characterized in that: the light source of each described section setting is one, and each light source produces the light of different colours respectively.
4, backlight module according to claim 1 is characterized in that: the light source of each described section setting is a plurality of, and those plural light sources of each section produce the light of different colours respectively.
5, backlight module according to claim 2, it is characterized in that: described metallic plate bending forming has plural lug boss, this metallic plate has first upper surface, and this lug boss has second upper surface, and the distance of this second upper surface to the first upper surface equals this light guide plate; When described LGP was incorporated into first upper surface of this metallic plate, the upper surface of this LGP was concordant with second upper surface of lug boss.
6. an illuminated keyboard is characterized in that: comprising: a backlight module; Described backlight module has a LGP and plural light source, described LGP separates out some sections by the barrier assembly of light-permeable not, each section side of described LGP is respectively equipped with at least one light source, and the set light source of each described section side is the light that produces different colours respectively; One button is formed; Described button composition is located at this backlight module top, described button is formed and is included a circuit board, and have elastomer and be located at plastic sheeting on this circuit board, and a button portion that is located on this plastic sheeting and the elastomer, this button portion moves up and down with respect to this LGP.
7. illuminated keyboard according to claim 6 is characterized in that: described barrier assembly is a kind of metallic plate, and this metallic plate is incorporated into the bottom surface of described LGP, simultaneously this LGP is separated out plural section.
8. illuminated keyboard according to claim 6 is characterized in that: the light source of each described section setting is one, and each light source produces the light of different colours respectively.
9. illuminated keyboard according to claim 6 is characterized in that: the light source of each described section setting is a plurality of, and those plural light sources of each section produce the light of different colours respectively.
10. an illuminated keyboard comprises: button composition; Described button is formed and is had a base plate and at least one button portion, and wherein this button portion is arranged on this base plate in the mode that this base plate relatively moves up and down; And a backlight module, be arranged at this button and form the below; It is characterized in that: described backlight module has a LGP and at least one light source, described LGP separates out some sections by the barrier assembly of light-permeable not, each section side of described LGP is respectively equipped with light source, and the set light source of each described section side is the light that produces different colours respectively.
11. illuminated keyboard according to claim 10 is characterized in that: the light source of each described section setting is one, and each light source produces the light of different colours respectively.
12 illuminated keyboards according to claim 10 is characterized in that: the light source of each described section setting is a plurality of, and those plural light sources of each section produce the light of different colours respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201541508U CN201269489Y (en) | 2008-10-17 | 2008-10-17 | Backlight module and luminous keyboard employing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201541508U CN201269489Y (en) | 2008-10-17 | 2008-10-17 | Backlight module and luminous keyboard employing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269489Y true CN201269489Y (en) | 2009-07-08 |
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ID=40842091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201541508U Expired - Lifetime CN201269489Y (en) | 2008-10-17 | 2008-10-17 | Backlight module and luminous keyboard employing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201269489Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9179554B2 (en) | 2013-04-09 | 2015-11-03 | Whirlpool Corporation | Appliance displays having modular light guides and methods of assembling the same |
| TWI675392B (en) * | 2018-07-05 | 2019-10-21 | 達方電子股份有限公司 | Illuminating keyboard |
| CN111508739A (en) * | 2020-03-17 | 2020-08-07 | 江苏传艺科技股份有限公司 | Key capable of switching display characters |
-
2008
- 2008-10-17 CN CNU2008201541508U patent/CN201269489Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9179554B2 (en) | 2013-04-09 | 2015-11-03 | Whirlpool Corporation | Appliance displays having modular light guides and methods of assembling the same |
| TWI675392B (en) * | 2018-07-05 | 2019-10-21 | 達方電子股份有限公司 | Illuminating keyboard |
| CN111508739A (en) * | 2020-03-17 | 2020-08-07 | 江苏传艺科技股份有限公司 | Key capable of switching display characters |
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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: 20090708 |