CN2566319Y - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN2566319Y CN2566319Y CN 02247564 CN02247564U CN2566319Y CN 2566319 Y CN2566319 Y CN 2566319Y CN 02247564 CN02247564 CN 02247564 CN 02247564 U CN02247564 U CN 02247564U CN 2566319 Y CN2566319 Y CN 2566319Y
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- China
- Prior art keywords
- light
- permeable plate
- lighting device
- emitting component
- permeable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a light device capable of providing back light for icon (icon) faceplates arranged on information products such as computer keyboards, etc. The light device is mainly provided with a light-passing board which is supported and positioned by a supporting seat, and each of the two sides of the light-passing board is respectively provided with a light-emitting element; in addition, the bottom of the light-passing board is provided with light reflecting points with different distances apart or different particle diameters to form a net point zone which is higher in density as the distance from the light-emitting element is farther. Matched with a light shielding structure arranged on the side and the bottom of the light-passing board, the light source emitted by the light-emitting element can be reflected with even brightness on the whole surface of the light-passing board.
Description
Technical field
A kind of required lighting devices backlight of information product image (icon) panel such as computor-keyboard that provide are provided the utility model, especially refer to that a kind of end in the light-permeable plate is provided with light-emitting component, the reflective site district that light-permeable plate bottom surface forms the tool different densities is located in collocation, forms the novel lighting apparatus that whole light-permeable plate can reflective generation uniform luminance.
Background technology
Often indicate work image (icon), special symbol or literal near the button of information products such as computor-keyboard, to allow the operator can know the function of understanding this button.For can be under night dark ambient conditions, allow information products such as computor-keyboard have and clearly indicate effect, relevant dealer just must further adopt has the image panel of illumination effect, utilize the luminous demonstration effect of image panel, allow the operator can be in night dark environment, the same clear functions of use of understanding this button.
The luminescent image panel that at present relevant industry adopts mainly is to constitute with electroluminescent panel (Electroluminescent Panel), relevant for electroluminescent panel concrete structural design and principle, can be referring to shown in notification number No. 451599 " organic EL display panel and manufacture method thereof " and No. 443074 patents such as " organic electroluminescence panel and manufacture methods thereof ".Though electroluminescent panel can provide information products such as computor-keyboard to have the image panel of illumination effect, yet because the structure of electroluminescent panel is quite complicated, and the manufacturing cost height except the information product of high unit price, still lacks a large amount of extensively economic worths of utilization.
The utility model content
Because it is too high to have the cost of the luminescent image panel that constitutes with electroluminescent panel now, be unfavorable for the utilization on the industry and can't satisfy the demands of consumers, therefore applicant's development and Design goes out that a kind of structure is simplified and lighting device with low cost, and the backlight function that can provide image panel to need.
Fundamental purpose of the present utility model is to provide a kind of can provide image (icon) panel lighting device backlight; It is located at light-emitting component the end of one light-permeable plate, and according to the site district that is laid with different densities with respect to the distance of light-emitting component in the bottom surface of this light-permeable plate, cooperate the light shielding structure of being located at light-permeable plate side, the light of light-emitting component emission can be reflected the roughly the same brightness in whole surface in the light-permeable plate, effectively with cheap cost and the structure of simplifying, provide information product image panel such as computor-keyboard required backlight.
For achieving the above object, the lighting device that provides of the utility model is provided with the supporting seat that a strip light-permeable plate and is incorporated into this light-permeable plate below.
One microscler light-permeable plate, its two short end is respectively equipped with a light-emitting component, and the bottom surface of this light-permeable plate then is provided with a plurality of reflective spots, forms by two short ends to the central shaft density site district of increasing gradually relatively symmetrically;
One supporting seat is positioned at this light-permeable plate below, and is provided with several cantalever elements.
Described lighting device, wherein this light-permeable plate is concaved with a slot respectively in the end face of its two short ends, and light-emitting component is inserted in corresponding slot.
Described lighting device, wherein this light-permeable plate relatively symmetrically in regular turn forms the clear area, that be not provided with reflective spot by its two short end to central shaft in the bottom surface and dredges site district, once a Mi Wangdianqu and a Mi Wangdianqu.
Described lighting device, the gap between light-emitting component and slot wherein, with light-permeable filling material packing in addition, this light-permeable filling material is a transparent adhesive tape.
The lighting device that the utility model provides also comprises:
One microscler light-permeable plate is provided with a light-emitting component in wherein a short end, and the bottom surface of this light-permeable plate then is provided with a plurality of reflective spots, forms by a short end of establishing this light-emitting component to site district that another short end density increases gradually;
One supporting seat is positioned at this light-permeable plate below, and is provided with several cantalever elements.
Wherein this light-permeable plate is concaved with a slot in the end face of a short end wherein, and light-emitting component is inserted in this slot.
The gap between light-emitting component and slot wherein, with light-permeable filling material packing in addition, this light-permeable filling material is a transparent adhesive tape.
Wherein light-emitting component is light emitting diode (LED).
Wherein, form the gradually high site district of density with the kenel of dwindling adjacent reflective spot spacing gradually in the bottom surface of this light-permeable plate.
Wherein, form the gradually high site district of density with the kenel that increases the reflective spot particle diameter gradually in the bottom surface of this light-permeable plate.
Wherein in the bottom surface of this light-permeable plate, to dwindle adjacent reflective spot spacing gradually and to increase the kenel of reflective spot particle diameter gradually and form the gradually high site district of density.
Wherein this light-permeable plate is formed with light shield layer in periphery coating printing ink; This supporting seat electrodeposited chromium and form a bright mirror surface on the surface of this light-permeable plate that reclines.
Wherein this light-permeable plate is formed with light shield layer in side coating printing ink, and folder is established a reflecting element between this light-permeable plate and this supporting seat, and this reflecting element is a mylar or scraps of paper.
So, in case when being positioned at the light-emitting component transmitting illuminant of light-permeable plate end, because the density site district of light-permeable plate bottom surface, cooperate the light shield layer of light-permeable plate side and the reflecting element of bottom surface, can increase the light that reflects with the distance of work and light-emitting component, the brightness that allows the surface of whole light-permeable plate present is roughly the same, and the different problem of each position brightness can not take place, and the backlight of the set image of information product (icon) panels such as computor-keyboard can be provided effectively.
The utility model is using in the enforcement, has following listed advantage at least:
That 1, utilizes light-permeable plate and supporting seat simplifies structure and cheap cost, and the backlight of the set image panel of information product such as computor-keyboard can be provided.
2, can be in the gap of the set slot of light-emitting component and light-permeable plate, with the filling material of light-permeable packing in addition, utilize this transparent filling material to promote the luminous conduction efficiency of light-emitting component.
3, can change the color of light-emitting component or reflecting element simply, change backlight color flexibly, the convenience of dark tool elasticity utilization by the reflective ejaculation of light-permeable plate.
Description of drawings
For further understanding feature of the present utility model and practical effect,, be described in detail as follows with preferred embodiment and accompanying drawing thereof:
Fig. 1 is the spatial structure exploded view of the utility model preferred embodiment.
Fig. 2 is the face upwarding view of light-permeable plate shown in Figure 1.
Fig. 3 is the local front-view schematic diagram of the utility model preferred embodiment.
Fig. 4 is the enforcement state reference map of the utility model preferred embodiment.
Fig. 5 applies to the enforcement synoptic diagram of keyboard for the utility model.
Fig. 6 is assembled in the assembled relation synoptic diagram of keyboard for the utility model.
Fig. 7 is the face upwarding view of the utility model in the light-permeable plate of monolateral installing light-emitting component.
Embodiment
As shown in Figure 1 and Figure 2, the formation of lighting device of the present utility model includes: a light-permeable plate (10) and is incorporated into the supporting seat (20) of light-permeable plate (10) below.
This light-permeable plate (10) is the transparent plate body made from the rigidity material of any light-permeable of strip, in the present embodiment, this light-permeable plate (10) is that acryl resin is made, its bottom surface (11) is provided with the numerous different spacings or the reflective spot (12) of variable grain diameter in the mode of printing, utilize to change the spacing of reflective spot (12) or variable grain diameter and form the site district of tool different densities, wherein more high more away from the site district density of this light-emitting component (14).Preferred embodiment as shown in the figure, it forms a clear area (112), that is not provided with reflective spot by the two ends of light-permeable plate (10) relatively symmetrically in regular turn to the plate central shaft and dredges site district (114), once a Mi Wangdianqu (116) and a Mi Wangdianqu (118).
This light-permeable plate (10) is concaved with a slot (13) respectively in the end face central authorities of two short ends, allow two light emitting (14) can utilize corresponding each slot (13) and plug the both ends that are incorporated into this light-permeable plate (10), utilize light-emitting component (14) that the light source of lighting device is provided, wherein light-emitting component as shown in the figure (14) is for connecting the light emitting diode (LED) of power supply.As shown in Figure 3, the gap of the utility model between light-emitting component (14) and slot (13) with the filling material (15) of any light-permeables such as transparent adhesive tape packing in addition, utilizes this transparent filling material (15) to promote the luminous conduction efficiency of light-emitting component (14).The utility model can be further in the side coating opaque ink of light-permeable plate (10) and form a light shield layer (16), utilize light shield layer (16) can avoid light source to scatter and disappear by the side of light-permeable plate (10), and be respectively equipped with at least one reference column (17) in slot (14) both sides at light-permeable plate (10) two ends, can use in conjunction with the location for light-permeable plate (10).
This supporting seat (20) can be the metal plate-like support body of electroplating Cr onto surface, and be provided with the cantalever element (21) of several tool pilot holes (22) in the side of supporting seat (20), utilize each pilot hole (22) to connect and join (as shown in Figure 6), allow supporting seat (20) and light-permeable plate (10) installing and locating in computor-keyboard inside with being located at the corresponding hollow circular reference column of computor-keyboard loam cake; In addition, for strengthening the reflecting effect of light-permeable plate (10), can form a bright mirror surface in the electroplating surface that supporting seat (20) are posted by light-permeable plate (10), also can press from both sides between light-permeable plate (10) and supporting seat (20) and establish a reflecting element (23), this reflecting element (23) can be an opaque mylar (Mylar) or scraps of paper.
As Fig. 1, shown in Figure 3, in case light-emitting component (14) is luminous, because light-permeable plate (10) is laid in the reflective spot (12) of bottom surface (14), cooperate the distance of light-emitting component (14) effectively and form clear area (112), dredge site district (114), inferior Mi Wangdianqu (116) and close site (118), closeer and bigger reflective spot (12) zone can reflect more light, cooperate the light shield layer (16) of being located at light-permeable plate (10) periphery and the reflecting element (23) that is posted by bottom surface (11), can allow the whole surface reflection of light-permeable plate (10) penetrate roughly the same brightness, the different problem of each position brightness can not take place, and can use effectively so that the backlight of the set image panel of information product such as computor-keyboard to be provided.
Extremely shown in Figure 6 as Fig. 4, show that the utility model is assembled in the enforcement aspect of a kind of keyboard (30), its reference column (17) that light-permeable plate (10) two ends are set directly is incorporated into keyboard (30) framework or is located at corresponding pilot hole on the circuit board in the keyboard, allow light-permeable plate (10) be positioned between framework or two circuit boards (detailed construction is not shown among the figure), and expose by the set frame hole (31) of keyboard (30), the light-emitting component (14) that will be located at light-permeable plate (10) simultaneously is connected to power supply and is installed on the circuit board.Then, the image panel (40) that will be provided with a plurality of images (icon) (41) is attached at the surface of light-permeable plate (10).So, in case light-emitting component (14) is luminous, light-permeable plate (10) integral body can present roughly the same brightness, allow each image (icon) (41) of image panel (40) have about equally effect backlight, even allow computor-keyboard in night dark working environment, still can provide good button to distinguish and look effect.
As shown in Figure 7, show that the utility model only is provided with light-permeable plate (10) embodiment of light-emitting component in light-permeable plate (a 10) short end wherein, this light-permeable plate (10) is by a short end of establishing light-emitting component another short end to plate, reach the kenel that increases reflective spot (12) particle diameter gradually to dwindle adjacent reflective spot (12) spacing gradually, form the more and more higher site district of density in regular turn.
Claims (17)
1, a kind of lighting device is characterized in that, it comprises:
One microscler light-permeable plate, its two short end is respectively equipped with a light-emitting component, and the bottom surface of this light-permeable plate then is provided with a plurality of reflective spots, forms by two short ends to the central shaft density site district of increasing gradually relatively symmetrically;
One supporting seat is positioned at this light-permeable plate below, and is provided with several cantalever elements.
2, lighting device as claimed in claim 1 is characterized in that, wherein this light-permeable plate is concaved with a slot respectively in the end face of its two short ends, and light-emitting component is inserted in corresponding slot.
3, lighting device as claimed in claim 2 is characterized in that, wherein this light-permeable plate relatively symmetrically in regular turn forms the clear area, that be not provided with reflective spot by its two short end to central shaft in the bottom surface and dredges site district, once a Mi Wangdianqu and a Mi Wangdianqu.
4, lighting device as claimed in claim 2 is characterized in that, the gap between light-emitting component and slot wherein is with light-permeable filling material packing in addition.
5, lighting device as claimed in claim 4 is characterized in that, wherein the light-permeable filling material is a transparent adhesive tape.
6, a kind of lighting device is characterized in that, it comprises:
One microscler light-permeable plate is provided with a light-emitting component in wherein a short end, and the bottom surface of this light-permeable plate then is provided with a plurality of reflective spots, forms by a short end of establishing this light-emitting component to site district that another short end density increases gradually;
One supporting seat is positioned at this light-permeable plate below, and is provided with several cantalever elements.
7, lighting device as claimed in claim 6 is characterized in that, wherein this light-permeable plate is concaved with a slot in the end face of a short end wherein, and light-emitting component is inserted in this slot.
8, lighting device as claimed in claim 7 is characterized in that, the gap between light-emitting component and slot wherein is with light-permeable filling material packing in addition.
9, lighting device as claimed in claim 8 is characterized in that, wherein the light-permeable filling material is a transparent adhesive tape.
As each described lighting device among the claim 1-9, it is characterized in that 10, wherein light-emitting component is a light emitting diode.
11, as each described lighting device among the claim 1-9, it is characterized in that,, dwindle adjacent reflective spot spacing gradually and form the gradually high site district of density wherein in the bottom surface of this light-permeable plate.
12, as each described lighting device among the claim 1-9, it is characterized in that,, increase the reflective spot particle diameter gradually and form the gradually high site district of density wherein in the bottom surface of this light-permeable plate.
13, as each described lighting device among the claim 1-9, it is characterized in that,, dwindle adjacent reflective spot spacing gradually and increase the reflective spot particle diameter gradually forming the gradually high site district of density wherein in the bottom surface of this light-permeable plate.
As each described lighting device among the claim 1-9, it is characterized in that 14, wherein this light-permeable plate is formed with light shield layer in periphery coating printing ink; This supporting seat electrodeposited chromium and form a bright mirror surface on the surface of this light-permeable plate that reclines.
As each described lighting device among the claim 1-9, it is characterized in that 15, wherein this light-permeable plate is formed with light shield layer in side coating printing ink, and folder is established a reflecting element between this light-permeable plate and this supporting seat.
16, lighting device as claimed in claim 15 is characterized in that, wherein this reflecting element is a mylar.
17, lighting device as claimed in claim 15 is characterized in that, wherein this reflecting element is scraps of paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247564 CN2566319Y (en) | 2002-08-23 | 2002-08-23 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247564 CN2566319Y (en) | 2002-08-23 | 2002-08-23 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566319Y true CN2566319Y (en) | 2003-08-13 |
Family
ID=33718431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02247564 Expired - Lifetime CN2566319Y (en) | 2002-08-23 | 2002-08-23 | Lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566319Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278665A (en) * | 2011-06-02 | 2011-12-14 | 鞍山亚世光电显示有限公司 | Thin backlight source device |
| CN104459868A (en) * | 2013-09-24 | 2015-03-25 | 陈蕾 | Light guide plate, light guide plate manufacturing method, backlight LED module, display and panel lamp |
| CN106152056A (en) * | 2015-04-27 | 2016-11-23 | 迪亚姆展示设备(昆山)有限公司 | A kind of light guide plate |
| CN106226860A (en) * | 2016-07-28 | 2016-12-14 | 奥英光电（苏州）有限公司 | Backlight module and liquid crystal display |
-
2002
- 2002-08-23 CN CN 02247564 patent/CN2566319Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278665A (en) * | 2011-06-02 | 2011-12-14 | 鞍山亚世光电显示有限公司 | Thin backlight source device |
| CN104459868A (en) * | 2013-09-24 | 2015-03-25 | 陈蕾 | Light guide plate, light guide plate manufacturing method, backlight LED module, display and panel lamp |
| CN106152056A (en) * | 2015-04-27 | 2016-11-23 | 迪亚姆展示设备(昆山)有限公司 | A kind of light guide plate |
| CN106226860A (en) * | 2016-07-28 | 2016-12-14 | 奥英光电（苏州）有限公司 | Backlight module and liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120823 Granted publication date: 20030813 |