CN206741021U - A kind of cell phone back light source of High Efficiency Luminescence - Google Patents
A kind of cell phone back light source of High Efficiency Luminescence Download PDFInfo
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- CN206741021U CN206741021U CN201720439394.XU CN201720439394U CN206741021U CN 206741021 U CN206741021 U CN 206741021U CN 201720439394 U CN201720439394 U CN 201720439394U CN 206741021 U CN206741021 U CN 206741021U
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- light source
- enhancement film
- bright enhancement
- guide plate
- light
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Abstract
The utility model discloses a kind of cell phone back light source of High Efficiency Luminescence, it is characterised in that：Including：Light source, light source reflecting housing, light guide plate, the first diffusion barrier, the first bright enhancement film, the second bright enhancement film and the second diffusion barrier, the side of the light guide plate sets light source, the outside of the light source sets light source reflecting housing, wherein light source reflecting housing is provided with hatch frame towards the side of light guide plate, the outside of light source reflecting housing sets radiator, the light source reflecting housing sets light source hole, and light source enters light source reflecting housing through light source hole；The upper exiting surface of the light guide plate is setting V-type groove, the first diffusion barrier is set on the upper exiting surface of the light guide plate, the first diffusion barrier upper surface sets gradually the first bright enhancement film, the second bright enhancement film and the second diffusion barrier, the light source is connected with radiator, the bottom of the light guide plate sets reflector, and the side of first bright enhancement film and the second bright enhancement film sets light-shielding sheet.The utility model excellent in heat dissipation effect, improve luminous efficiency.
Description
Technical field
It the utility model is related to Mobile phone lighting source technology field, and in particular to a kind of cell phone back light source of High Efficiency Luminescence.
Background technology
With the development of science and technology, the development of mobile phone is also increasingly faster, the need of version also more and more higher, mainly people
More and more higher is sought, with the continuous development of economy, the living standard of people is also gradually to be lifted, daily indispensable logical for these
Equipment requirement also more and more higher is interrogated, as mobile phone screen enlarging accelerates increasingly, brightness, structural stability to mobile phone backlight propose
Higher requirement.
Cell phone back light source is one of key component that mobile phone is shown, function is well-off brightness and is evenly distributed
Light source, it can normally show image.It is not luminous, it is necessary to which backlight provides face light for it in itself in the liquid crystal display that mobile phone uses
Significant components in backlight during source, wherein light guide plate, the transmission direction of light beam is sent from light source for guiding, by line source or point
Light source is converted to area source outgoing., because heat caused by light source has an impact to LCD panel, make it near light source
There is general red phenomenon, influence display quality.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of efficient
Luminous cell phone back light source.
Technical scheme is used by the utility model solves its technical problem：
A kind of cell phone back light source of High Efficiency Luminescence, including：Light source, light source reflecting housing, light guide plate, the first diffusion barrier, first
Bright enhancement film, the second bright enhancement film and the second diffusion barrier, the side of the light guide plate set light source, and the outside of the light source sets light source
Reflector, wherein light source reflecting housing are provided with hatch frame towards the side of light guide plate, and the outside of light source reflecting housing sets radiator,
The light source reflecting housing sets light source hole, and light source enters light source reflecting housing through light source hole；The upper exiting surface of the light guide plate is
V-type groove is set, the first diffusion barrier is set on the upper exiting surface of the light guide plate, the first diffusion barrier upper surface is set gradually
First bright enhancement film, the second bright enhancement film and the second diffusion barrier, the light source are connected with radiator, and the bottom of the light guide plate is set instead
Tabula rasa, the side of first bright enhancement film and the second bright enhancement film set light-shielding sheet.
Further, the light source includes luminous lamp bead and aluminium base, the luminous lamp bead and enters light source through light source hole
Reflector, aluminium base are arranged on the outside of light source reflecting housing and are connected with radiator, are coated between the aluminium base and radiator
Heat-conducting silicone grease.
Further, the luminous lamp bead is arranged for non-equidistant.
Further, graphene film is also set up between the aluminium base and radiator.
Further, the exiting surface of the exiting surface of first bright enhancement film and the second bright enhancement film is bar shaped prism structure, institute
The bar shaped prism structure of the bar shaped prism structure and the second bright enhancement film of stating the first bright enhancement film is space intersection.
Further, the bar shaped prism structure of the bar shaped prism structure of first bright enhancement film and the second bright enhancement film is space
Vertically.
Further, the radiator is made using copper coin or aluminium sheet.
Further, the light-shielding sheet is opaque dark-coloured metal aluminum sheet.
The beneficial effects of the utility model：
Light source of the present utility model by light source reflecting housing by light projection on light guide plate, the exiting surface of light guide plate uses V
Type groove, improves emitting brightness, can so reduce the brightness degree of light source, so that power consumption reduces, by setting the
One diffusion barrier carries out atomization to the light extraction of light guide plate and causes uniform in light emission, is then carried out by the first bright enhancement film and the second bright enhancement film
Light is handled, exported finally by the second diffusion barrier；Light output efficiency is improved, reduces fiber-loss, saves consumption
Energy；Radiator is set at light source, for being radiated to light source, prevented because temperature is too high general red existing to LCDs generation
As the lamp bead that lights is arranged for non-equidistant；Improve luminous efficiency.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of High Efficiency Luminescence mobile phone backlight source structure figure.
Description of reference numerals：
1- light sources, 2- light source reflecting housings, 3- light guide plates, the diffusion barriers of 4- first, the bright enhancement films of 5- first, the bright enhancement films of 6- second,
The diffusion barriers of 7- second, 8- radiators, 9- reflectors.
Embodiment
Below in conjunction with the accompanying drawings and embodiment describes the utility model embodiment：
Referring to Fig. 1, be the utility model proposes a kind of High Efficiency Luminescence mobile phone backlight source structure figure.
As shown in figure 1, a kind of cell phone back light source of High Efficiency Luminescence, including：Light source 1, light source reflecting housing 2, light guide plate 3,
One diffusion barrier 4, the first bright enhancement film 5, the second bright enhancement film 6 and the second diffusion barrier 7, the side of light guide plate 3 set light source 1, light source 1
Outside sets light source reflecting housing 2, and wherein light source reflecting housing 2 is provided with hatch frame, light source reflecting housing 2 towards the side of light guide plate 3
Outside radiator 8 is set, radiator 8 is made using copper coin or aluminium sheet；Light source reflecting housing 2 sets light source hole, and light source 1 passes through light
Source aperture enters light source reflecting housing 2；Light caused by light source is non-homogeneous light, diffused light is produced when so passing through light guide plate, then
Atomizing effect is good when being atomized by diffusion barrier；The upper exiting surface of light guide plate 3 is to set V-type groove, the upper light extraction of light guide plate 3
First diffusion barrier 4 is set on face, and the upper surface of the first diffusion barrier 4 sets gradually the first bright enhancement film 5, the second bright enhancement film 6 and second expands
Dissipate film 7, the exiting surface of the exiting surface of the first bright enhancement film 6 and the second bright enhancement film 7 is bar shaped prism structure, the bar of the first bright enhancement film 6
The bar shaped prism structure of shape prism structure and the second bright enhancement film 7 is space intersection, and polarization structure is formed by bar shaped prism structure,
Enhancing light output efficiency is polarized using two-stage.The wherein bar shaped rib of the bar shaped prism structure of the first bright enhancement film 6 and the second bright enhancement film 7
Mirror structure is spatial vertical；The light source 1 is connected with radiator 8, and the bottom of light guide plate 3 sets reflector 9, and described first adds lustre to
The side of the bright enhancement film 6 of film 5 and second sets light-shielding sheet.
In the utility model embodiment, light source 1 by light source reflecting housing 2 by light projection on light guide plate 3, light guide plate 3
Exiting surface uses V-type groove, improves emitting brightness, can so reduce the brightness degree of light source, so that power consumption reduces,
By setting the first diffusion barrier 4 to carry out being atomized uniform in light emission to the light extraction of light guide plate 3, then pass through the He of the first bright enhancement film 5
Second bright enhancement film 6 light is handled, and is then exported by the second diffusion barrier；To passing through the first bright enhancement film 5 and second
The light of bright enhancement film 6 is made full use of, and reduces the loss of light, light can be handled using polarization structure, is used
Two-stage polarizes, and improves light output efficiency, reduces fiber-loss, saves power consumption.Preferably, the bar shaped rib of the first bright enhancement film 5
Mirror structure and the bar shaped prism structure of the second bright enhancement film 6 are spatial vertical；The side of first bright enhancement film 5 and the second bright enhancement film 6 is set
The light-shielding sheet for preventing light from being exported from side is put, light-shielding sheet is opaque dark-coloured metal aluminum sheet, is hidden by setting
Machine-glazed paper further can reflect light, so as to improve output light efficiency.Light source 1 includes luminous lamp bead and aluminium base, lights
Lamp bead enters light source reflecting housing 2 through light source hole, and aluminium base is arranged on the outside of light source reflecting housing 2 and is connected with radiator 8, aluminium
Coated with thermally conductive silicone grease between substrate and radiator 8.Preferably, the lamp bead that lights is arranged for non-equidistant；Between aluminium base and radiator 8
Also set up graphene film.Strengthen the capacity of heat transmission between aluminium base and radiator.Light source is effectively radiated, extends it
Service life, while the generation to the general red phenomenon of overheat of LCDs is avoided, improve display quality.
The utility model preferred embodiment is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from
Made a variety of changes on the premise of objective.
Many other changes and remodeling can be made by not departing from spirit and scope of the present utility model.It should be appreciated that this reality
Specific embodiment is not limited to new, the scope of the utility model is defined by the following claims.
Claims (8)
- A kind of 1. cell phone back light source of High Efficiency Luminescence, it is characterised in that：Including：Light source, light source reflecting housing, light guide plate, first are expanded Dissipate film, the first bright enhancement film, the second bright enhancement film and the second diffusion barrier, the side of the light guide plate sets light source, the light source it is outer Side sets light source reflecting housing, and wherein light source reflecting housing is provided with hatch frame, the outside of light source reflecting housing towards the side of light guide plate Radiator is set, and the light source reflecting housing sets light source hole, and light source enters light source reflecting housing through light source hole；The light guide plate Upper exiting surface sets the first diffusion barrier, the first diffusion barrier upper table to set V-type groove on the upper exiting surface of the light guide plate Face sets gradually the first bright enhancement film, the second bright enhancement film and the second diffusion barrier, and the light source is connected with radiator, the light guide plate Bottom sets reflector, and the side of first bright enhancement film and the second bright enhancement film sets light-shielding sheet.
- A kind of 2. cell phone back light source of High Efficiency Luminescence according to claim 1, it is characterised in that：The light source includes luminous Lamp bead and aluminium base, the luminous lamp bead enter light source reflecting housing through light source hole, and aluminium base is arranged on the outer of light source reflecting housing Side is simultaneously connected with radiator, coated with thermally conductive silicone grease between the aluminium base and radiator.
- A kind of 3. cell phone back light source of High Efficiency Luminescence according to claim 2, it is characterised in that：The luminous lamp bead is non- Equidistant arrangement.
- A kind of 4. cell phone back light source of High Efficiency Luminescence according to claim 2, it is characterised in that：The aluminium base and radiating Graphene film is also set up between device.
- A kind of 5. cell phone back light source of High Efficiency Luminescence according to claim 1, it is characterised in that：First bright enhancement film The exiting surface of exiting surface and the second bright enhancement film is bar shaped prism structure, and the bar shaped prism structure of first bright enhancement film and second increase The bar shaped prism structure of light film is space intersection.
- A kind of 6. cell phone back light source of High Efficiency Luminescence according to claim 5, it is characterised in that：First bright enhancement film The bar shaped prism structure of bar shaped prism structure and the second bright enhancement film is spatial vertical.
- A kind of 7. cell phone back light source of High Efficiency Luminescence according to claim 1, it is characterised in that：The radiator uses copper Plate or aluminium sheet make.
- A kind of 8. cell phone back light source of High Efficiency Luminescence according to claim 1, it is characterised in that：The light-shielding sheet is impermeable The metal aluminum sheet of light and shade color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439394.XU CN206741021U (en) | 2017-04-22 | 2017-04-22 | A kind of cell phone back light source of High Efficiency Luminescence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439394.XU CN206741021U (en) | 2017-04-22 | 2017-04-22 | A kind of cell phone back light source of High Efficiency Luminescence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206741021U true CN206741021U (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720439394.XU Expired - Fee Related CN206741021U (en) | 2017-04-22 | 2017-04-22 | A kind of cell phone back light source of High Efficiency Luminescence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206741021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919411A (en) * | 2018-04-26 | 2018-11-30 | 江西联创致光科技有限公司 | Middle large-size ultra-thin highlights tablet computer LED backlight |
| CN109358389A (en) * | 2018-10-30 | 2019-02-19 | 东莞市谷麦光学科技有限公司 | A kind of mobile phone leaded light component |
-
2017
- 2017-04-22 CN CN201720439394.XU patent/CN206741021U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919411A (en) * | 2018-04-26 | 2018-11-30 | 江西联创致光科技有限公司 | Middle large-size ultra-thin highlights tablet computer LED backlight |
| CN109358389A (en) * | 2018-10-30 | 2019-02-19 | 东莞市谷麦光学科技有限公司 | A kind of mobile phone leaded light component |
| CN109358389B (en) * | 2018-10-30 | 2024-03-22 | 东莞市谷麦光学科技有限公司 | Light guide assembly of mobile phone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20180422 |