CN201237163Y - Light guiding film module group - Google Patents
Light guiding film module group Download PDFInfo
- Publication number
- CN201237163Y CN201237163Y CNU2008201464287U CN200820146428U CN201237163Y CN 201237163 Y CN201237163 Y CN 201237163Y CN U2008201464287 U CNU2008201464287 U CN U2008201464287U CN 200820146428 U CN200820146428 U CN 200820146428U CN 201237163 Y CN201237163 Y CN 201237163Y
- Authority
- CN
- China
- Prior art keywords
- guiding film
- light guiding
- light
- light source
- module according
- Prior art date
- 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
Links
- 238000009792 diffusion process Methods 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000010068 moulding (rubber) Methods 0.000 description 3
- 239000004425 Makrolon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a light guide film module, which comprises a layer of transparent light guide film, on which optical dots are distributed, and a light source arranged on the cross section of the light guide film. The optical dots are arranged in the direction on the light guide film away from the light source; and the spaces among optical dots become smaller gradually or the shapes thereof are become larger gradually, so as to enable that the brightness of each part of the light guide film is uniform, thereby serving good backlight effect. Meanwhile, the utility model further reduces the power consumption required for the application of a backlight source and saves the cost of the backlight scheme.
Description
Technical field
The utility model relates to a kind of back light source structure, relates in particular to a kind of light guiding film module that applies to electronic device.
Background technology
Light guiding film is a kind of by utilizing the mode of die forming or surface printing, in makrolon material inside or surface forming go out by the regular leaded light site of optical principle (optics site).During the light irradiation, change angle of reflection, so that light can the positive leaded light device that penetrates by the optics site.Light guiding film thickness is between 0.05-0.5mm; Material is makrolon material or other transparent light guide materials; The optics site be shaped as circle, triangle, corrugated and other suitable graphic forms.Light guiding film has light weight as a kind of new type light source, softness, thin thickness; Save the LED lamp, save power consumption; The no circuit part of structure itself, physical stability is good; Wear-resistant, long service life; Backlight respond well; Low cost and other advantages has been widely used in cell phone keyboard, LCD liquid crystal display module, and digital product, electronic device backlight scheme is to substitute EL cold light film, the novel backlight device of LGP.But in the existing light guiding film modular structure, the optics site evenly distributes on light guiding film.As the backlight of principle of reflection, it occurs easily: light guiding film is away from led light source place dim light, near the brighter shortcoming of led light source place light.
The utility model content
The utility model provides a kind of novel light guiding film module in order to solve the existing uneven shortcoming of light guiding film module distribution of light, and it effectively realizes the purpose of even light-guiding film each several part brightness.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of light guiding film module comprises that one deck is distributed with the transparent light guide film of optics site, is arranged on the light source of this light guiding film section.The arrangement of described optics site, along on the light guiding film away from the direction of light source, the covering ratio of optics site becomes big gradually.
Described covering ratio becomes greatly gradually, refers to that the optical network dot spacing diminishes gradually or shape becomes big gradually.
Described light source is arranged on the periphery of light guiding film.
Described light source is the top light light source, and light source is arranged on the centre of light guiding film.
Described light source top also is provided with the reflective membrane that is used to reduce the light leakage.
Described light guiding film below is provided with metal clips, or the light guiding film top is provided with keyboard/panel.
Be connected with the sense of touch point above or below the described light guiding film.
Described light guiding film below is provided with metal clips.
Described light guiding film below is provided with reflectance coating or this light guiding film top is provided with diffusion barrier, or is provided with diffusion barrier above being provided with the reflectance coating while below the described light guiding film.
Described diffusion barrier top also has been provided with bright enhancement film.
The utility model light guiding film module, the arrangement of optics site, become big gradually along the covering ratio away from the direction optics site of light source on the light guiding film, good effect backlight is played in the brightness of effectively even light guiding film each several part, also reduces backlight simultaneously and uses required power consumption, saves backlight scheme cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further:
Fig. 1 is a light guiding film module optical network dot spacing size gradual change arrangement architecture schematic diagram;
Fig. 2 is a light guiding film module optics dot shape size gradual change arrangement architecture schematic diagram;
Fig. 3 a is provided with the structural representation of preferred embodiment one for the light guiding film die set light source;
Fig. 3 b is provided with the structural representation of preferred embodiment two for the light guiding film die set light source;
Fig. 3 c is provided with the structural representation of preferred embodiment three for the light guiding film die set light source;
Fig. 4 a is the structural representation of keyboard light guiding film module preferred embodiment one;
Fig. 4 b is the structural representation of keyboard light guiding film module preferred embodiment two;
Fig. 4 c is the structural representation of keyboard light guiding film module preferred embodiment three;
Fig. 5 a is the structural representation of contact light guiding film module preferred embodiment one;
Fig. 5 b is the structural representation of contact light guiding film module preferred embodiment two;
Fig. 5 c is the structural representation of contact light guiding film module preferred embodiment three;
Fig. 6 a is the structural representation of LCD backlight light-guiding film module preferred embodiment one;
Fig. 6 b is the structural representation of LCD backlight light-guiding film module preferred embodiment two;
Fig. 6 c is the structural representation of LCD backlight light-guiding film module preferred embodiment three;
Fig. 6 d is the structural representation of LCD backlight light-guiding film module preferred embodiment four.
The specific embodiment
As Fig. 1 a kind of light guiding film module preferred embodiment shown in Figure 2, comprise that one deck is distributed with the transparent light guide film 1 of optics site 2, is arranged on the light source 3 of this light guiding film 1 section.The arrangement of described optics site 2 is that the gradual change of spacing size arranges---promptly on light guiding film 1 with light source 3 distances by near to far away, the spacing that the optics site is 2 is (as Fig. 1) from large to small; Or the gradual change of shape size is arranged---be on the light guiding film 1 with light source 3 distances by near to far away, the surface area of optics site 2 change from small to big (as Fig. 2).
Described light source 3 can be arranged on light guiding film 1 section and promptly refer to the periphery of light guiding film 1 or the centre of light guiding film 1.Light source 3 tops also are provided with the reflective membrane 4 that is used to reduce the light leakage in the time of in the middle of being arranged on.As Fig. 3 a illustrated embodiment one, promptly light source 3 is placed in the side of light guiding film 1, in light is directly gone into from the side-irradiation of light guiding film 1, by optics site 2 light is derived from the front again, and this moment, light source 3 was the lateral body illuminating source.Lateral body.As Fig. 3 b illustrated embodiment two, it is the centre that light source is placed in light guiding film 1, in part light is gone into from the side-irradiation of light guiding film 1, by optics site 2 light is derived from the front again, this moment light source 3 application mode that be top light light source (upward to) make up with light guiding film 1.As Fig. 3 c illustrated embodiment three, be a kind of application mode that makes up by top light light source 3 and light guiding film 1 and reflectance coating 4.Light source 3 is placed in the centre of light guiding film 1, and the surface increases reflective membrane 4, reduces the light leakage, in light directly and reflective membrane 4 instead goes into from the side-irradiation of light guiding film 1, by optics site 2 light is derived from the front again.
Shown in Fig. 4 a, for aforementioned light guiding film module applies to the preferred embodiment one of keyboard, light guiding film 1 directly is attached to metal clips 5 surfaces, forms a kind of metal clips 5 illuminating module.
Shown in Fig. 4 b, for aforementioned light guiding film module applies to the preferred embodiment two of keyboard, light guiding film 1 directly is attached to the back side (lower surface) of keyboard/panel 6, and light source 3 is in the centre, light guiding film 1 provides light source for when luminous keyboard/panel 6, forms a kind of keyboard or panel and light guide film group matched moulds group.This moment, light source 3 was the top light source.
Shown in Fig. 4 c, for aforementioned light guiding film module applies to the preferred embodiment three of keyboard, light guiding film 1 directly is attached to the back side (lower surface) of keyboard/panel 6, and light source 3 is in light guiding film 1 side.Light source is provided for when light guiding film is luminous keyboard/panel 6, forms a kind of keyboard or panel and light guide film group matched moulds group.This moment, light source 3 was the sidelight source.
Shown in Fig. 5 a, be the preferred embodiment one that aforementioned light guiding film module and contact combination are used, consolidate the upper surface moulding pressing touch point 7 of the mode of moulding by rubber-moulding or UV glue light in light guiding film 1.
Shown in Fig. 5 b, be the preferred embodiment two that aforementioned light guiding film module and contact combination are used, consolidate the lower surface moulding pressing touch point of the mode of moulding by rubber-moulding or UV glue light in light guiding film 1.
Shown in Fig. 5 c, preferred embodiment three for aforementioned light guiding film module and contact combination application, consolidate the lower surface moulding pressing touch point 7 of the mode of moulding by rubber-moulding or UV glue light in light guiding film 1, when light guiding film 1 being applied when pushing dynamics, pressing force concentrates on the pressing touch point 7 directly striking to conducting metal shell fragment 5 centers, thereby reaches good sense of touch effect and button sensitivity.
Shown in Fig. 6 a, for aforementioned light guiding film module is used as LCD preferred embodiment one backlight, reflectance coating 8 reflectings surface directly are attached to the lower surface of light guiding film 1.During light source 3 irradiations, lower surface reflectance coating 8 can reduce the light leakage, will reflex to leaded light front (light-emitting area) from the light of light guiding film 1 leakage.
Shown in Fig. 6 b, for aforementioned light guiding film module is used as LCD preferred embodiment two backlight, diffusion barrier 9 directly is attached to the upper surface of light guiding film 1.During the light source irradiation, diffusion barrier 9 can reach the effect of uniformly light-emitting with light guiding film 1 positive light diffusion of deriving.
Shown in Fig. 6 c, for aforementioned light guiding film module is used as LCD preferred embodiment three backlight, diffusion barrier 9 directly is attached to the upper surface of light guiding film 1, and reflectance coating 8 reflectings surface directly are attached to the lower surface of light guiding film 1.During light source 3 irradiations, diffusion barrier 9 can reach the effect of uniformly light-emitting with light guiding film 1 positive light diffusion of deriving, and lower surface reflectance coating 8 can reduce the light leakage, will reflex to leaded light front (light-emitting area) from light guiding film 1 leakage light, increases the utilization rate of light.
Shown in Fig. 6 d, for aforementioned light guiding film module is used as LCD preferred embodiment four backlight, diffusion barrier 9 directly is attached to the upper surface of light guiding film 1, and reflectance coating 8 reflectings surface directly are attached to the lower surface of leaded light.The upper surface of diffusion barrier 9 also is pasted with bright enhancement film 10 simultaneously, to reach the purpose that increases light luminance.
Claims (10)
1, a kind of light guiding film module, comprise that one deck is distributed with the transparent light guide film (1) of optics site (2), be arranged on the light source (3) of this light guiding film (1) section, it is characterized in that: the arrangement of described optics site (2), upward away from the direction of light source (3), the covering ratio of optics site (2) becomes big gradually along light guiding film (1).
2, light guiding film module according to claim 1 is characterized in that: described covering ratio becomes greatly gradually, refers to that optics site (2) spacing diminishes gradually or shape becomes big gradually.
3, light guiding film module according to claim 1 is characterized in that: described light source (3) is arranged on the periphery of light guiding film (1).
4, light guiding film module according to claim 1 is characterized in that: described light source (3) is the top light light source, and light source (3) is arranged on the centre of light guiding film (1).
5, light guiding film module according to claim 4 is characterized in that: described light source (3) top also is provided with the reflective membrane (4) that is used to reduce the light leakage.
6, light guiding film module according to claim 1 is characterized in that: described light guiding film (1) below is provided with metal clips (5), or light guiding film (1) top is provided with keyboard/panel (6).
7, light guiding film module according to claim 1 is characterized in that: be connected with sense of touch point (7) above or below the described light guiding film (1).
8, light guiding film module according to claim 7 is characterized in that: described light guiding film (1) below is provided with metal clips (5).
9, light guiding film module according to claim 3, it is characterized in that: described light guiding film (1) below is provided with reflectance coating (8) or this light guiding film top is provided with diffusion barrier (9), or is provided with diffusion barrier (9) above being provided with reflectance coating (8) while below the described light guiding film (1).
10, light guiding film module according to claim 9 is characterized in that: described diffusion barrier (9) top also has been provided with bright enhancement film (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201464287U CN201237163Y (en) | 2008-08-08 | 2008-08-08 | Light guiding film module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201464287U CN201237163Y (en) | 2008-08-08 | 2008-08-08 | Light guiding film module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237163Y true CN201237163Y (en) | 2009-05-13 |
Family
ID=40649894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201464287U Expired - Lifetime CN201237163Y (en) | 2008-08-08 | 2008-08-08 | Light guiding film module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201237163Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957772A (en) * | 2011-08-25 | 2013-03-06 | 比亚迪股份有限公司 | Backlight assembly of keypad of mobile phone |
| WO2013149546A1 (en) * | 2012-04-06 | 2013-10-10 | 北京京东方光电科技有限公司 | Light guide plate, backlight source and liquid crystal display device |
| CN107071097A (en) * | 2017-02-03 | 2017-08-18 | 惠州Tcl移动通信有限公司 | A kind of guide-lighting battery cover of intelligence and mobile terminal |
| CN104991304B (en) * | 2015-06-25 | 2019-02-22 | 东莞轩朗实业有限公司 | Light guide plate, ink and inkjet printing light guide plate manufacturing method |
| CN112540085A (en) * | 2019-09-20 | 2021-03-23 | 矢崎总业株式会社 | Appearance inspection device for crimp terminal |
-
2008
- 2008-08-08 CN CNU2008201464287U patent/CN201237163Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957772A (en) * | 2011-08-25 | 2013-03-06 | 比亚迪股份有限公司 | Backlight assembly of keypad of mobile phone |
| WO2013149546A1 (en) * | 2012-04-06 | 2013-10-10 | 北京京东方光电科技有限公司 | Light guide plate, backlight source and liquid crystal display device |
| CN104991304B (en) * | 2015-06-25 | 2019-02-22 | 东莞轩朗实业有限公司 | Light guide plate, ink and inkjet printing light guide plate manufacturing method |
| CN107071097A (en) * | 2017-02-03 | 2017-08-18 | 惠州Tcl移动通信有限公司 | A kind of guide-lighting battery cover of intelligence and mobile terminal |
| WO2018141131A1 (en) * | 2017-02-03 | 2018-08-09 | 捷开通讯(深圳)有限公司 | Intelligent light guide battery cover and mobile terminal |
| US10694011B2 (en) | 2017-02-03 | 2020-06-23 | Jrd Communication (Shenzhen) Ltd | Smart light guide battery cover and mobile terminal |
| CN112540085A (en) * | 2019-09-20 | 2021-03-23 | 矢崎总业株式会社 | Appearance inspection device for crimp terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201237163Y (en) | Light guiding film module group | |
| CN102069651A (en) | Light guide plate as well as printing method and backlight module thereof | |
| CN207337008U (en) | A kind of high-penetration high-brightness glass diffuser plate | |
| CN103105641A (en) | Composite light guide plate and production method thereof | |
| WO2015043490A1 (en) | Light guide plate, planar light-emission apparatus, liquid crystal display apparatus, liquid crystal display terminal device, and method for manufacturing light guide plate | |
| CN201083928Y (en) | Backlight and its reflecting sheet | |
| CN201222148Y (en) | Optical assembly of backlight module | |
| CN202421530U (en) | Light guide board, backlight module and liquid crystal display | |
| CN201487745U (en) | Circular ultra-thin lamp box | |
| CN101261390A (en) | Composite Optical Substrate | |
| CN206362967U (en) | A kind of Novel backlight light guide plate | |
| CN201072075Y (en) | Light guiding film | |
| CN103105642A (en) | Light-extraction film and production method of the same | |
| CN106970485A (en) | A kind of display device | |
| CN202394186U (en) | Luminous mouse | |
| CN2909318Y (en) | LCD module backlight | |
| CN210488029U (en) | Backlight module using inverse prism structure | |
| CN201100869Y (en) | light guide plate | |
| TW200600923A (en) | Liquid crystal display panel and liquid crystal display device | |
| CN202049253U (en) | Liquid crystal display light emitting diode (LED) backlight module group light guide plate with prism function | |
| CN201262677Y (en) | A kind of ultra-thin liquid crystal display module | |
| CN206362964U (en) | A kind of ultrathin LED backlight source component | |
| CN202327844U (en) | A kind of LED backlight | |
| CN201017055Y (en) | Light conducting plate structure | |
| CN202546479U (en) | Side light type backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |
|
| CX01 | Expiry of patent term |