CN202057822U - Ultra-thin light guide film and light guide structure thereof - Google Patents
Ultra-thin light guide film and light guide structure thereof Download PDFInfo
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- CN202057822U CN202057822U CN2011201092549U CN201120109254U CN202057822U CN 202057822 U CN202057822 U CN 202057822U CN 2011201092549 U CN2011201092549 U CN 2011201092549U CN 201120109254 U CN201120109254 U CN 201120109254U CN 202057822 U CN202057822 U CN 202057822U
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Abstract
The utility model discloses an ultra-thin light guide film and a light guide structure thereof. The light guide structure of the ultra-thin light guide film comprises a light guide film and a top emission LED light source, wherein a light-emitting surface of the top emission LED light source is parallelly disposed below the light guide film, the light guide film comprises a first characteristic surface and a second characteristic surface, light guide dots are distributed on both the first characteristic surface and the second characteristic surface, the light guide dots of the first characteristic surface are arranged right above the top emission LED light source, the light guide dots of the second characteristic surface are arranged in an object luminescence zone, and a reflecting layer is arranged below the top emission LED light source to increase backlight energy utilization rate. The light guide structure of the ultra-thin light guide film uses cooperation between a little top emission LED light source and the light guide film to realize highlight brightness and a uniform backlight indication of the object zone, and to realize ultra-thinness and low energy consumption of a product.
Description
Technical field
The utility model relates to lighting field, relates in particular to a kind of ultra-thin light-leading film and light guide structure thereof.
Background technology
At present, the palm electronic product, for example mobile phone etc. is very universal.For in dark surrounds, on electronic product, realize accurately input, need throw light on to keyboard.Usually the method that adopts is in the keyboard bottom illuminator to be set, and the mode that adopts has LED lamp direct irradiation or light guide plate conduction usually.
Yet, being accompanied by portable product such as mobile phone to frivolous, energy-conservation, trend development cheaply, the key-press backlight part of its product also becomes the object of concern.Obviously it is frivolous that LED lamp direct irradiation before or light guide plate can not satisfy portable type electronic product, energy-conservation, development trend cheaply, therefore, frivolous light guiding film product has appearred on the market, the key-press backlight that is used for mobile phone etc., most light guiding film product all need dispose two side-emitting LEDs at present, by the light diffusion that LED is sent, thereby make mobile phone key luminous, it is emitting led that the price of side-emitting LED still is higher than the top at present, it is emitting led that the use cost of feasible " 2 side-emitting LED+1 light guiding film " still is higher than 4-6 top, causes the production cost of product own higher.
Simultaneously, along with popularizing of the Digital Control of equipment such as household electrical appliance and industrial machinery, it has also proposed the requirement of back lighting for the switchgear of control panel, to adapt to the use under the dark surrounds and the requirement of decorative effect.The usage quantity that solve to reduce LED to be reducing cost, and the problems such as homogeneity that improve illuminating effect become the research focus.
The utility model content
The purpose of this utility model is to provide a kind of ultra-thin light-leading film and light guide structure thereof, and it has ultra-thin, and cost is low, the characteristics of low-power consumption, irradiation good uniformity.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of ultra-thin light-leading film, it has first figuratrix and second figuratrix, wherein, be distributed with the leaded light site on described first figuratrix and second figuratrix, the corresponding led light source in the first leaded light site on described first figuratrix distributes, and corresponding target luminous zone, the second leaded light site on described second figuratrix distributes.
Especially, the geometric configuration of described leaded light site is any or several combination of circle, rectangle, ellipse, rhombus or other systematicness shapes.
Especially, the size of described leaded light site and arranging density change by optical principle according to the distance with light source.
Especially, printing is adopted in described leaded light site, hot pressing, and the UV impression, laser engraving method or other physical methods form, and are distributed in first, second figuratrix.
Especially, described light-leading film material is a transparent material, and as PC, PET or TPU, thickness is 0.01mm-1mm.
A kind of light guide structure of ultra-thin light-leading film, it comprises light-leading film, target area display layer and top emitting led light source, the light-emitting area of described top emitting led light source is placed in parallel in the light-leading film below, described light guiding film has first figuratrix and second figuratrix, be distributed with the leaded light site on described first figuratrix and second figuratrix, the leaded light site of described first figuratrix is distributed in directly over the emitting led light source of top, and the leaded light site of second figuratrix is distributed in the target luminous zone.
Especially, the below of described top emitting led light source is provided with the reflection horizon.
The beneficial effects of the utility model are, the light guide structure of described ultra-thin light-leading film cooperates light-leading film to realize the intensity backlight and the inhomogeneity requirement of button with a spot of top emitting led light source, and the ultra-thin and low energy consumption of realization product, and following can the increasing of led light source has the reflection horizon, increases capacity usage ratio backlight.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is the sectional view of the light guide structure embodiment one of the ultra-thin light-leading film of the utility model;
Fig. 2 is the vertical view of the light guide structure embodiment one of the ultra-thin light-leading film of the utility model;
Fig. 3 is the network point distribution figure of first, second figuratrix of the ultra-thin light-leading film of the utility model embodiment one.
Among the figure:
10, top emitting led light source; 20, light-leading film; 21, first figuratrix; 22, second figuratrix; 200, leaded light site; 210, the first leaded light site; 220, the second leaded light site; 30, reflection horizon; 40, target area display layer.
Embodiment
Please refer to shown in Figure 1ly, Fig. 1 is the sectional view of the light guide structure embodiment one of the ultra-thin light-leading film of the utility model; In present embodiment, a kind of light guide structure of ultra-thin light-leading film, it comprises light-leading film 20, target area display layer 40 and top emitting led light source 10, the light-emitting area of described top emitting led light source 10 is placed in parallel in the below of light-leading film 20, described target area display layer 40 is tiled in the top of light-leading film 20, described light-leading film 20 has first figuratrix 21 and second figuratrix 22, be distributed with leaded light site 200 on described first figuratrix 21 and second figuratrix 22, described leaded light site 200 comprises first leaded light site 210 that is distributed in first figuratrix 21 and the second leaded light site 220 that is distributed in second figuratrix 22, the described first leaded light site 210 be distributed in top emitting led light source 10 directly over, the second leaded light site 220 is distributed in the target luminous zone, and the below of described top emitting led light source 10 is provided with reflection horizon 30, to increase capacity usage ratio backlight.
The described first leaded light site 210 and the second leaded light site 220 adopt the mode of printing to be distributed on first figuratrix 21 and second figuratrix 22, geometric configuration is circular, area is not less than 700 μ m2, and its size and arranging density change by optical principle according to the distance with light source.
Please refer to Fig. 2 and shown in Figure 3, adopting among the embodiment one as schematically shown in Figure 2 is the panel of nine luminous buttons, light to push up luminous fit system with 2 led light sources, light enters light-leading film 20 through second figuratrix 22, the first leaded light site, 210 reflections of first figuratrix 21 directly over the quilt, total reflection takes place in light-leading film 20 the insides then transmits, at last by the second leaded light site, 220 reflections of second figuratrix 22, from the outgoing of target light-emitting zone, light nine key areas.Realize the ultra-thin and low energy consumption of product, the thickness of whole light guide structure is 0.5mm, and only utilizes 2 low-power LED can realize the even illumination of the target area in the display layer, realizes the ultra-thin and low energy consumption of product.
Above embodiment has just set forth ultimate principle of the present utility model and characteristic, can change according to shape, the size of leaded light site and the change that the position is set.The utility model is not limited by above-mentioned example, and under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various variations and change, and these variations and change all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. ultra-thin light-leading film, it has first figuratrix (21) and second figuratrix (22), it is characterized in that: be distributed with leaded light site (200) on described first figuratrix (21) and second figuratrix (22), the corresponding led light source in the first leaded light site (210) on described first figuratrix (21) distributes, and the corresponding target luminous zone, the second leaded light site (220) on described second figuratrix (22) distributes.
2. ultra-thin light-leading film according to claim 1; It is characterized in that: the thickness of described light-leading film (20) is 0.01mm～1mm.
3. according to described any the ultra-thin light-leading film of claim 1～2; It is characterized in that: the geometric configuration of described leaded light site (200) is any or several combinations of circle, rectangle, ellipse or rhombus.
4. according to described any the ultra-thin light-leading film of claim 1～2; It is characterized in that: printing is adopted in described leaded light site (200), hot pressing, and the UV impression, laser engraving method or other physical methods form, and are distributed in first, second figuratrix (21,22).
5. photo structure that ultra-thin light-leading film is led, it is characterized in that: comprise light-leading film (20), target area display layer (40) and top emitting led light source (10), the light-emitting area of described top emitting led light source (10) is placed in parallel in light-leading film (20) below, described light-leading film (20) has first figuratrix (21) and second figuratrix (22), described first figuratrix (21) and second figuratrix (22) are gone up correspondence and are distributed with the first leaded light site (210) and the second leaded light site (220), the corresponding led light source in the described first leaded light site (210) distributes, and corresponding target luminous zone, the described second leaded light site (220) distributes.
6. the light guide structure of ultra-thin light-leading film according to claim 5; It is characterized in that: the below of described top emitting led light source (10) is provided with reflection horizon (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201092549U CN202057822U (en) | 2011-04-14 | 2011-04-14 | Ultra-thin light guide film and light guide structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201092549U CN202057822U (en) | 2011-04-14 | 2011-04-14 | Ultra-thin light guide film and light guide structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057822U true CN202057822U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201092549U Expired - Fee Related CN202057822U (en) | 2011-04-14 | 2011-04-14 | Ultra-thin light guide film and light guide structure thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN202057822U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122014A (en) * | 2011-04-14 | 2011-07-13 | 无锡睿涛光电科技有限公司 | Ultrathin light-guiding film and light-guiding structure thereof |
| CN104808390A (en) * | 2015-05-19 | 2015-07-29 | 武汉华星光电技术有限公司 | Backlight module and liquid-crystal display device |
| CN114495753A (en) * | 2021-12-28 | 2022-05-13 | 浙江光塔安全科技有限公司 | Optical fiber marker lamp |
-
2011
- 2011-04-14 CN CN2011201092549U patent/CN202057822U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122014A (en) * | 2011-04-14 | 2011-07-13 | 无锡睿涛光电科技有限公司 | Ultrathin light-guiding film and light-guiding structure thereof |
| CN104808390A (en) * | 2015-05-19 | 2015-07-29 | 武汉华星光电技术有限公司 | Backlight module and liquid-crystal display device |
| WO2016183902A1 (en) * | 2015-05-19 | 2016-11-24 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN114495753A (en) * | 2021-12-28 | 2022-05-13 | 浙江光塔安全科技有限公司 | Optical fiber marker lamp |
| CN114495753B (en) * | 2021-12-28 | 2023-08-18 | 浙江光塔安全科技有限公司 | Optical fiber marker lamp |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20140414 |