CN107728375A - A kind of backlight module that can reduce usage quantity needed for LED - Google Patents
A kind of backlight module that can reduce usage quantity needed for LED Download PDFInfo
- Publication number
- CN107728375A CN107728375A CN201710764735.5A CN201710764735A CN107728375A CN 107728375 A CN107728375 A CN 107728375A CN 201710764735 A CN201710764735 A CN 201710764735A CN 107728375 A CN107728375 A CN 107728375A
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- China
- Prior art keywords
- backlight
- light guide
- guide plate
- usage quantity
- speculum
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention relates to back light model setting technology field, more particularly to a kind of backlight module that can reduce usage quantity needed for LED, it includes back frame, backlight, light guide plate and diffuser plate, the side in light guide plate incident backlight source is provided with light efficiency amplified medium, light guide plate is provided with the first reflectance coating with respect to the side of backlight, the side of light guide plate relative diffusion plate is provided with the second reflectance coating, and the reflecting surface of the first reflectance coating is towards backlight, and the reflecting surface of the second reflectance coating is towards diffuser plate；Light guide plate is provided with chamfering towards the both ends of the side of backlight；Backlight is provided with the first speculum close to the side-lower of light guide plate, backlight is provided with the second speculum above the side of light guide plate, diffuser plate includes incidence surface and exiting surface, the exiting surface of diffuser plate is arranged to corrugated surface, and corrugated surface is spliced by several shape identical arc convex and arc-shaped concave.The backlight module can reduce usage quantity needed for LED.
Description
Technical field
The present invention relates to back light model setting technology field, and in particular to a kind of backlight mould that can reduce usage quantity needed for LED
Group.
Background technology
The structure of liquid crystal display device includes liquid crystal panel and backlight module.Liquid crystal panel it is not luminous in itself, it is necessary to by
The light source that backlight module provides normally shows image, and therefore, backlight module turns into one of key component of liquid crystal display device.
Different according to the incidence of light source, backlight module can be divided into down straight aphototropism mode set and side entrance back module.Wherein, side
It is the back plate edges that backlight LED lamp bar is arranged to liquid crystal panel side rear to enter formula backlight module, the light that LED light bar is sent
Enter light guide plate from the incidence surface of light guide plate side, projected after reflection and diffusion from light guide plate exiting surface, then via optical film
Piece group, liquid crystal panel is supplied to form area source.
Backlight module of the prior art, due to not made full use of as much as possible to backlight in structure design, lead
Cause the light utilization of backlight relatively low, and then usage quantity needed for LED need to be increased and can be only achieved certain light efficiency, and then improve
Production cost.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of back of the body that can reduce usage quantity needed for LED
Optical mode group.
To achieve the above object, the present invention provides following technical scheme：
A kind of backlight module that can reduce usage quantity needed for LED is provided, including back frame, be arranged in the back frame by
Backlight that multiple light emitting sources rearrange, it is arranged at the light guide plate of the backlight side and is arranged at the light guide plate
On diffuser plate, it is characterised in that：The side in the light guide plate incident backlight source is provided with light efficiency amplified medium, the light guide plate
The side of relatively described backlight is provided with the first reflectance coating, and the side of the relatively described diffuser plate of the light guide plate is provided with second
Reflectance coating, the reflecting surface of first reflectance coating is towards the backlight, and the reflecting surface of second reflectance coating is towards the expansion
Fall apart；
The light guide plate is provided with chamfering towards the both ends of the side of the backlight；
The backlight is provided with the first speculum close to the side-lower of the light guide plate, and the backlight is led close to described
The second speculum is provided with above the side of tabula rasa, first speculum is obliquely installed and reflected with second speculum
Face is towards the backlight；
The diffuser plate includes incidence surface and exiting surface, and the exiting surface of the diffuser plate is arranged to corrugated surface, the ripple
Face is spliced by several shape identical arc convex and arc-shaped concave.
The angle of the chamfering is arranged to 40 degree~60 degree.
The angle of first speculum and second speculum relative level line respectively is arranged to 10 degree~30 degree.
The backlight module that usage quantity needed for LED can be reduced also includes the first supporting plate, and first supporting plate is set
It is placed in the lower section of the backlight and is fixed on the back frame；
First supporting plate is fixed in one end of first speculum, and the other end of first speculum is fixed on
The back frame.
The second supporting plate is provided with above the light guide plate, second support is fixed in one end of second speculum
Plate, the other end of second speculum are fixed on the back frame.
The corrugated surface is spliced by half equal rounded convex of several radiuses and semicircular concave.
The radius of the semicircle is arranged to 0.01mm~3mm.
The corrugated surface and the diffuser plate are integrative-structures.
The diffuser plate is to expand made of diffuser plate made of PP plastics, diffuser plate made of PET or HDPE plastic
Fall apart.
The light efficiency amplified medium is high-density polyethylene resin.
Beneficial effects of the present invention：
(1) a kind of backlight module that can reduce usage quantity needed for LED of the invention, including back frame, backlight, light guide plate
And diffuser plate, the side in light guide plate incident backlight source are provided with light efficiency amplified medium, light guide plate is set with respect to the side of backlight
There is the first reflectance coating, the side of light guide plate relative diffusion plate is provided with the second reflectance coating, the reflecting surface direction back of the body of the first reflectance coating
Light source, the reflecting surface of the second reflectance coating is towards diffuser plate；Light guide plate is provided with chamfering towards the both ends of the side of backlight；
Backlight is provided with the first speculum close to the side-lower of light guide plate, and it is anti-that backlight is provided with second above the side of light guide plate
Mirror is penetrated, diffuser plate includes incidence surface and exiting surface, and the exiting surface of diffuser plate is arranged to corrugated surface, and corrugated surface is by several shape phases
Same arc convex and arc-shaped concave is spliced.Because the side in light guide plate incident backlight source is provided with light efficiency amplified medium,
And pass through the reflection of the first reflectance coating and the second reflectance coating to the light of injection light guide plate, it is possible to increase the light profit of backlight
It is relatively low with rate, and then reduce usage quantity needed for LED.Because light guide plate is provided with down towards the both ends of the side of backlight
Angle, and then the incidence surface product of light guide plate can be increased, and then usage quantity needed for LED can be reduced.It is further, since anti-by first
Mirror and the second speculum are penetrated, the amount light into light guide plate can be greatly improved, and then increases the utilization rate of light, is further able to subtract
Usage quantity needed for few LED.Further, since the exiting surface of diffuser plate is arranged to corrugated surface, corrugated surface is identical by several shapes
Arc convex and arc-shaped concave be spliced, and then cause light enter diffuser plate after can occur at exiting surface diffraction make
With diffuser plate is projected, and then the loss of luminous energy is reduced, improve light utilization, be further able to reduce needed for LED and use number
Amount.
(2) a kind of backlight module that can reduce usage quantity needed for LED of the invention, has simple in construction, production cost
It is low and can be adapted to large-scale production the characteristics of.
Brief description of the drawings
Fig. 1 is a kind of structural representation of backlight module that can reduce usage quantity needed for LED of the present invention.
Reference：
Back frame 1；
Backlight 2；
Light guide plate 3, chamfering 31；
Diffuser plate 4, incidence surface 41, exiting surface 42, arc convex 401, arc-shaped concave 402；
First speculum 5；
Second speculum 6；
First supporting plate 7；
Second supporting plate 8；
Light efficiency amplified medium 9；
First reflectance coating 10；
Second reflectance coating 11.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
Embodiment 1.
A kind of backlight module that can reduce usage quantity needed for LED of the present embodiment, as shown in figure 1, including back frame 1, setting
The backlight 2 rearranged by multiple light emitting sources that is placed in back frame 1, light guide plate 3, the Yi Jishe for being arranged at the side of backlight 2
The diffuser plate 4 being placed on light guide plate 3, the side in the incident backlight source 2 of light guide plate 3 are provided with light efficiency amplified medium 9, the phase of light guide plate 3
First reflectance coating 10 is provided with to the side of backlight 2, the side of the relative diffusion plate 4 of light guide plate 3 is provided with the second reflectance coating 11,
The reflecting surface of first reflectance coating 10 is towards backlight 2, and the reflecting surface of the second reflectance coating 11 is towards diffuser plate 4；Light guide plate 3 is towards the back of the body
The both ends of the side of light source 2 are provided with chamfering 31；Backlight 2 is provided with the first speculum close to the side-lower of light guide plate 3
5, backlight 2 is provided with the second speculum 6 above the side of light guide plate 3, and the first speculum 5 tilts with the second speculum 6
Set and reflecting surface is towards backlight 2；Diffuser plate 4 includes incidence surface 41 and exiting surface 42, and the exiting surface 42 of diffuser plate 4 is set
Corrugated surface is set to, corrugated surface is spliced by several shape identical arc convex 401 and arc-shaped concave 402.Due to leaded light
The side in the incident backlight source of plate 3 is provided with light efficiency amplified medium 9, and by the first reflectance coating 10 and the second reflectance coating 11 to penetrating
Enter the reflection of the light of light guide plate 3, it is possible to increase the light utilization of backlight is relatively low, and then reduces usage quantity needed for LED.
Because light guide plate 3 towards the both ends of the side of backlight 2 is provided with chamfering 31, and then can increase light guide plate 3 enters light
Area, and then usage quantity needed for LED can be reduced.Further, since by the first speculum 5 and the second speculum 6, can be very big
The amount light into light guide plate 3 is improved, and then increases the utilization rate of light, is further able to reduce usage quantity needed for LED.In addition,
Because the exiting surface 42 of diffuser plate 4 is arranged to corrugated surface, corrugated surface is recessed by several shape identical arc convex 401 and arc
Face 402 is spliced, and then causes light that diffraction injection diffuser plate can occur at exiting surface 42 after entering diffuser plate 4
4, and then the loss of luminous energy is reduced, light utilization is improved, is further able to reduce usage quantity needed for LED.
In the present embodiment, the angle of chamfering 31 is arranged to 50 degree.What the chamfering 31 of the angle can increase light guide plate 3 enters light
Area, and then usage quantity needed for LED can be reduced.
In the present embodiment, the angle of the first speculum 5 and the second speculum 6 relative level line respectively is arranged to 20 degree.Should
Angle causes by the first speculum 5 and the second speculum 6, the amount light into light guide plate 3 can be greatly improved, and then increase
The utilization rate of light, and then usage quantity needed for LED can be reduced.
In the present embodiment, the backlight module that can reduce usage quantity needed for LED also includes the first supporting plate 7, first
Fagging 7 is arranged at the lower section of backlight 2 and is fixed on back frame 1；The first supporting plate 7 is fixed in one end of first speculum 5, the
The other end of one speculum 5 is fixed on back frame 1, and then to pass through the first speculum 5, can be greatly improved into light guide plate 3
Amount light, and then increase the utilization rate of light, and then usage quantity needed for LED can be reduced.
In the present embodiment, the top of light guide plate 3 is provided with the second supporting plate 8, and one end of the second speculum 6 is fixed on second
Fagging 8, the other end of the second speculum 6 is fixed on back frame 1, and then to pass through the second speculum 6, and entrance can be greatly improved
The amount light of light guide plate 3, and then increase the utilization rate of light, and then usage quantity needed for LED can be reduced.
In the present embodiment, corrugated surface is spliced by half equal rounded convex of several radiuses and semicircular concave, and then is made
Diffraction injection diffuser plate 4 can be occurred at exiting surface 42 by obtaining after light enters diffuser plate 4, and then reduce the damage of luminous energy
Consumption, substantially increases light utilization, and then can reduce usage quantity needed for LED.
The radius of semicircle is arranged to 1mm.After the corrugated surface that the semicircle of the radius is spliced causes light to enter diffuser plate 4
Diffraction can occur at exiting surface 42 and project diffuser plate 4, and then reduce the loss of luminous energy, substantially increase light profit
With rate, and then usage quantity needed for LED can be reduced.
In the present embodiment, corrugated surface and diffuser plate 42 are integrative-structures, and then cause light enters after diffuser plate 4 can be
Diffraction occurs at exiting surface 42 and projects diffuser plate 4, and then reduces the loss of luminous energy, substantially increases light utilization,
And then usage quantity needed for LED can be reduced.
In the present embodiment, diffuser plate 4 is diffuser plate 4 made of PP plastics, and diffuser plate 4 can be easy to light made of PP plastics
The scattering diffusion of line, and then reduces the loss of luminous energy, further increases light utilization, and then can reduce needed for LED and make
Use quantity.
In the present embodiment, light efficiency amplified medium 9 is high-density polyethylene resin, and then can strengthen the light of the backlight module
Effect, and then can further reduce usage quantity needed for LED.
Embodiment 2.
A kind of embodiment 2 of backlight module that can reduce usage quantity needed for LED of the present invention, the present embodiment and embodiment
1 difference is, in the present embodiment, the angle of chamfering 31 is arranged to 40 degree.The chamfering 31 of the angle can increase leaded light
The incidence surface product of plate 3, and then usage quantity needed for LED can be reduced.In the present embodiment, the first speculum 5 divides with the second speculum 6
The angle of other relative level line is arranged to 10 degree.The angle causes by the first speculum 5 and the second speculum 6, can be very big
The amount light into light guide plate 3 is improved, and then increases the utilization rate of light, and then usage quantity needed for LED can be reduced.The present embodiment
In, the radius of semicircle is arranged to 0.5mm, and the corrugated surface that the semicircle of the radius is spliced causes light to enter energy after diffuser plate 4
It is enough that diffraction injection diffuser plate 4 occurs at exiting surface 42, and then the loss of luminous energy is reduced, substantially increase light utilization
Rate, and then usage quantity needed for LED can be reduced.In the present embodiment, diffuser plate 4 is diffuser plate 4 made of PET, and the PET is moulded
Diffuser plate 4 made of material can be easy to the scattering of light to spread, and then can reduce the loss of luminous energy, further increase light
Utilization rate, and then usage quantity needed for LED can be reduced.The other structures and operation principle of the present embodiment are same as Example 1,
This is repeated no more.
Embodiment 3.
A kind of embodiment 3 of backlight module that can reduce usage quantity needed for LED of the present invention, the present embodiment and embodiment
1 difference is, in the present embodiment, the angle of chamfering 31 is arranged to 60 degree.The chamfering 31 of the angle can increase leaded light
The incidence surface product of plate 3, and then usage quantity needed for LED can be reduced.In the present embodiment, the first speculum 5 divides with the second speculum 6
The angle of other relative level line is arranged to 30 degree.The angle causes by the first speculum 5 and the second speculum 6, can be very big
The amount light into light guide plate 3 is improved, and then increases the utilization rate of light, and then usage quantity needed for LED can be reduced.The present embodiment
In, the radius of semicircle is arranged to 0.01mm, and the corrugated surface that the semicircle of the radius is spliced causes light to enter energy after diffuser plate 4
It is enough that diffraction injection diffuser plate 4 occurs at exiting surface 42, and then the loss of luminous energy is reduced, substantially increase light utilization
Rate, and then usage quantity needed for LED can be reduced.In the present embodiment, diffuser plate 4 is diffuser plate 4 made of HDPE plastic, the HDPE
Diffuser plate 4 made of plastics can be easy to the scattering of light to spread, and then can reduce the loss of luminous energy, further increase
Light utilization, and then usage quantity needed for LED can be reduced.The other structures and operation principle of the present embodiment and the phase of embodiment 1
Together, will not be repeated here.
Embodiment 4.
A kind of embodiment 4 of backlight module that can reduce usage quantity needed for LED of the present invention, the present embodiment and embodiment
1 difference is, in the present embodiment, the angle of chamfering 31 is arranged to 45 degree.The chamfering 31 of the angle can increase leaded light
The incidence surface product of plate 3, and then usage quantity needed for LED can be reduced.In the present embodiment, the radius of semicircle is arranged to 3mm, the radius
The corrugated surface that is spliced of semicircle cause light enters after diffuser plate 4 diffraction can occur at exiting surface 42 project expansion
Fall apart 4, and then reduce the loss of luminous energy, substantially increase light utilization, and then usage quantity needed for LED can be reduced.This
The other structures and operation principle of embodiment are same as Example 1, will not be repeated here.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
- A kind of 1. backlight module that can reduce usage quantity needed for LED, it is characterised in that：Including back frame, it is arranged at the back frame The interior backlight rearranged by multiple light emitting sources, it is arranged at the light guide plate of the backlight side and is arranged at described Diffuser plate on light guide plate, it is characterised in that：The side in the light guide plate incident backlight source is provided with light efficiency amplified medium, described The side of the relatively described backlight of light guide plate is provided with the first reflectance coating, and the side of the relatively described diffuser plate of the light guide plate is set There is the second reflectance coating, the reflecting surface of first reflectance coating is towards the backlight, the reflecting surface direction of second reflectance coating The diffuser plate；The light guide plate is provided with chamfering towards the both ends of the side of the backlight；The backlight is provided with the first speculum close to the side-lower of the light guide plate, and the backlight is close to the light guide plate Side above be provided with the second speculum, first speculum is obliquely installed with second speculum and reflecting surface is equal Towards the backlight；The diffuser plate includes incidence surface and exiting surface, and the exiting surface of the diffuser plate is arranged to corrugated surface, the corrugated surface by Several shape identical arc convex and arc-shaped concave are spliced.
- A kind of 2. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described The angle of chamfering is arranged to 40 degree~60 degree.
- A kind of 3. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described The angle of first speculum and second speculum relative level line respectively is arranged to 10 degree~30 degree.
- A kind of 4. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described The backlight module of usage quantity needed for LED, which can be reduced, also includes the first supporting plate, and first supporting plate is arranged at the backlight The lower section in source and it is fixed on the back frame；First supporting plate is fixed in one end of first speculum, and the other end of first speculum is fixed on described Back frame.
- A kind of 5. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described It is provided with the second supporting plate above light guide plate, second supporting plate is fixed in one end of second speculum, and described second The other end of speculum is fixed on the back frame.
- A kind of 6. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described Corrugated surface is spliced by half equal rounded convex of several radiuses and semicircular concave.
- A kind of 7. backlight module that can reduce usage quantity needed for LED according to claim 6, it is characterised in that：It is described The radius of semicircle is arranged to 0.01mm~3mm.
- A kind of 8. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described Corrugated surface and the diffuser plate are integrative-structures.
- A kind of 9. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described Diffuser plate is diffuser plate made of PP plastics, diffuser plate made of PET or diffuser plate made of HDPE plastic.
- A kind of 10. backlight module that can reduce usage quantity needed for LED according to claim 1, it is characterised in that：It is described Light efficiency amplified medium is high-density polyethylene resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764735.5A CN107728375A (en) | 2017-08-30 | 2017-08-30 | A kind of backlight module that can reduce usage quantity needed for LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764735.5A CN107728375A (en) | 2017-08-30 | 2017-08-30 | A kind of backlight module that can reduce usage quantity needed for LED |
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| Publication Number | Publication Date |
|---|---|
| CN107728375A true CN107728375A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710764735.5A Pending CN107728375A (en) | 2017-08-30 | 2017-08-30 | A kind of backlight module that can reduce usage quantity needed for LED |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060007518A (en) * | 2004-07-20 | 2006-01-26 | 비오이 하이디스 테크놀로지 주식회사 | Back light unit for lcd |
| CN101216637A (en) * | 2004-12-21 | 2008-07-09 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN202048503U (en) * | 2011-03-08 | 2011-11-23 | 广东泰德科技有限公司 | LED (Light-Emitting Diode) backlight module diffusion board |
| CN104048221A (en) * | 2014-06-30 | 2014-09-17 | 纳晶科技股份有限公司 | Backlight module |
| CN105093390A (en) * | 2015-08-12 | 2015-11-25 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN206377498U (en) * | 2014-10-28 | 2017-08-04 | 旭硝子株式会社 | Glass light guide plate |
-
2017
- 2017-08-30 CN CN201710764735.5A patent/CN107728375A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060007518A (en) * | 2004-07-20 | 2006-01-26 | 비오이 하이디스 테크놀로지 주식회사 | Back light unit for lcd |
| CN101216637A (en) * | 2004-12-21 | 2008-07-09 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN202048503U (en) * | 2011-03-08 | 2011-11-23 | 广东泰德科技有限公司 | LED (Light-Emitting Diode) backlight module diffusion board |
| CN104048221A (en) * | 2014-06-30 | 2014-09-17 | 纳晶科技股份有限公司 | Backlight module |
| CN206377498U (en) * | 2014-10-28 | 2017-08-04 | 旭硝子株式会社 | Glass light guide plate |
| CN105093390A (en) * | 2015-08-12 | 2015-11-25 | 京东方科技集团股份有限公司 | Backlight module and display device |
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Application publication date: 20180223 |