CN108363242A - A kind of backlight source module and display device - Google Patents
A kind of backlight source module and display device Download PDFInfo
- Publication number
- CN108363242A CN108363242A CN201810376097.4A CN201810376097A CN108363242A CN 108363242 A CN108363242 A CN 108363242A CN 201810376097 A CN201810376097 A CN 201810376097A CN 108363242 A CN108363242 A CN 108363242A
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- China
- Prior art keywords
- light source
- opto
- light
- electronic conversion
- cell piece
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Classifications
-
- 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
-
- 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
- G02F1/133612—Electrical details
Abstract
A kind of backlight source module of offer of the embodiment of the present invention and display device, are related to back light source technique field, can solve the problems, such as that the efficiency of light energy utilization of backlight source module in existing display device is relatively low.The backlight source module includes luminescence component and opto-electronic conversion cell piece；Opto-electronic conversion cell piece is arranged in the opposite side of the light emission side of luminescence component and/or sides adjacent；The light that luminescence component is sent out can be radiated on opto-electronic conversion cell piece；Luminescence component includes first light source and second light source；First light source is powered by externally fed equipment, and second light source is powered by opto-electronic conversion cell piece.The present invention is used for display device.
Description
Technical field
The present invention relates to back light source technique field more particularly to a kind of backlight source modules and display device.
Background technology
With the continuous improvement of people's living standards, the display devices such as mobile phone, tablet computer, LCD TV are widely applied
In people's lives.The structure of current liquid crystal TV is general as shown in Figure 1, including liquid crystal display 01, backlight source module 02, circuit
Plate 03 and shell 04.Circuit board 03 controls backlight mould by controlling the opening and closing of the microcosmic semiconductor switch of liquid crystal display 01
Group 02 light be it is no by liquid crystal display 01 or control light by number, the image of finding of naked eye is formed with this.
However, in the structure of current liquid crystal TV, it is most of by circuit board in the light that backlight source module 02 is sent out
03 and the gear of shell 04 in inside liquid crystal television, also there was only the 5% left of total illumination by the part being seen by the naked eye after liquid crystal display 01
The right side wastes more luminous energy in this way so that the efficiency of light energy utilization of backlight source module 02 is relatively low.
Invention content
A kind of backlight source module of the embodiment of the present invention offer and display device, can solve to carry on the back in existing display device
The relatively low problem of the efficiency of light energy utilization of light source module group.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of backlight source module, including：Luminescence component；Opto-electronic conversion cell piece, institute
Opto-electronic conversion cell piece is stated to be arranged in the opposite side of the light emission side of the luminescence component and/or sides adjacent；The luminescence component hair
The light gone out can be radiated on the opto-electronic conversion cell piece；The luminescence component includes first light source and second light source；Described
One light source is powered by externally fed equipment, and the second light source is powered by the opto-electronic conversion cell piece.
Optionally, the first light source and the second light source are multiple；Multiple first light sources form multiple institutes
First light source group is stated, each first light source group includes at least one first light source；Multiple second light sources form more
A second light source group, each second light source group includes at least one second light source；Multiple first light source groups
It is spaced apart with multiple second light source groups.
Optionally, multiple first light sources and multiple second light sources are arranged in the same plane；Described luminous group
Part further includes the diffuser plate on the upside of the first light source and the second light source, and the light on the upside of the diffuser plate
Learn diaphragm；The opto-electronic conversion cell piece is arranged in the downside of the first light source and the second light source.
Optionally, described in projection covering of the opto-electronic conversion cell piece in the first light source and the second light source
First light source and the second light source.
Optionally, the backlight source module includes multiple opto-electronic conversion cell pieces, multiple opto-electronic conversion batteries
Piece is corresponded with multiple first light source groups；It is provided with reflector plate on the downside of the opto-electronic conversion cell piece.
Optionally, the backlight source module includes glue frame；The luminescence component includes being arranged on the glue frame madial wall
Lamp bar, be located at the light guide plate of the lamp bar light emission side, and the optical diaphragm on the upside of the light guide plate；The lamp bar packet
Include multiple first light sources and multiple second light sources；The opto-electronic conversion cell piece is arranged under the light guide plate
Side.
Optionally, the opto-electronic conversion cell piece is the electroluminescent film being formed on the light guide plate lower surface.
Optionally, the backlight source module includes the opto-electronic conversion cell piece of multiple strips, multiple strips it is described
Opto-electronic conversion cell piece is spacedly distributed in the downside of the light guide plate；It is provided with reflection on the downside of the opto-electronic conversion cell piece
Piece.
Optionally, the opto-electronic conversion cell piece is solar film battery.
On the other hand, the embodiment of the present invention provides a kind of display device, including described in display panel and any one of the above
Backlight source module.
Backlight source module and display device provided in an embodiment of the present invention, the backlight source module include：Luminescence component；Light
Electroconversion cell piece, opto-electronic conversion cell piece are arranged in the opposite side of the light emission side of luminescence component and/or sides adjacent；Luminescence component
The light sent out can be radiated on opto-electronic conversion cell piece；Luminescence component includes first light source and second light source；First light source is by outer
Portion's power supply unit power supply, second light source are powered by opto-electronic conversion cell piece.Compared to the prior art, provided in an embodiment of the present invention
Opto-electronic conversion cell piece is arranged by the opposite side of the light emission side in luminescence component and/or sides adjacent in backlight source module, in not shadow
In the case of the normal light extraction of light emission side for ringing luminescence component, the opposite side of the light emission side of luminescence component and/or adjacent is made full use of
The emergent ray of side so that this part emergent ray is converted into electric energy after being irradiated to opto-electronic conversion cell piece and is stored in photoelectricity turn
It changes in cell piece, since opto-electronic conversion cell piece can be generated electricity using extra luminous energy, thus improves backlight source module
The efficiency of light energy utilization；The light source (i.e. second light source) of the electric energy and energy supply portion that are stored in simultaneously in opto-electronic conversion cell piece,
Second light source is powered without externally fed equipment in this way, thus reduces the energy consumption of backlight source module, improves display device
Performance.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the display device structure schematic diagram that the prior art provides；
Fig. 2 is direct-light-type backlight modular structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the direct-light-type backlight modular structure schematic diagram that another embodiment of the present invention provides；
Fig. 4 is the direct-light-type backlight modular structure schematic diagram that yet another embodiment of the invention provides；
Fig. 5 is side-edge type backlight modular structure schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the side-edge type backlight modular structure schematic diagram that another embodiment of the present invention provides.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of backlight source module, as shown in Figures 2 to 6, including：Luminescence component；Opto-electronic conversion
Cell piece 11, opto-electronic conversion cell piece 11 are arranged in the opposite side of the light emission side of luminescence component and/or sides adjacent；Luminescence component is sent out
The light gone out can be radiated on opto-electronic conversion cell piece 11；Luminescence component includes first light source 121 and second light source 122；First light
Source 121 is powered by externally fed equipment, and second light source 122 is powered by opto-electronic conversion cell piece 11.
Backlight source module is generally divided into direct-light-type backlight module and side-edge type backlight module.Referring to figs. 2 to Fig. 4 institutes
Show, the luminescence component of direct-light-type backlight module generally comprises light source (first light source 121 and second light source 122), diffuser plate 13
With optical diaphragm 14.For direct-light-type backlight module, since its light extraction is face-up, thus opto-electronic conversion cell piece 11 can
To be arranged in the downside of first light source 121 and second light source 122, front side, rear side, left and right side etc., it is radiated to receive
Light thereon, and the part light is converted to electric energy.
With reference to shown in figure 5 and Fig. 6, the luminescence component of side-edge type backlight module generally comprises lamp bar 17,18 and of light guide plate
Optical diaphragm 14.For side-edge type backlight module, when passing through light guide plate 18 due to the light that lamp bar 17 is sent out, all directions
There is emergent light, thus opto-electronic conversion cell piece 11 can be arranged in the light emission side of the downside of light guide plate 18 and light guide plate 18
The part light to receive the light of irradiation on it, and is converted to electric energy by sides adjacent etc..
The particular number and distributing position for the second source 122 that the embodiment of the present invention powers for opto-electronic conversion cell piece 11
Deng not limiting, those skilled in the art can set according to actual conditions.
So, compared to the prior art, backlight source module provided in an embodiment of the present invention passes through in luminescence component
Opto-electronic conversion cell piece is arranged in the opposite side of light emission side and/or sides adjacent, in the normal light extraction of light emission side for not influencing luminescence component
In the case of, make full use of the opposite side of the light emission side of luminescence component and/or the emergent ray of sides adjacent so that this part is emitted
Light is converted into electric energy after being irradiated to opto-electronic conversion cell piece and is stored in opto-electronic conversion cell piece, due to opto-electronic conversion battery
Piece can be generated electricity using extra luminous energy, thus improve the efficiency of light energy utilization of backlight source module；It is stored in photoelectricity simultaneously
The light source (i.e. second light source) of electric energy and energy supply portion in conversion battery piece, such second light source are not necessarily to externally fed equipment
Power supply, thus reduce the energy consumption of backlight source module, improve the performance of display device.
Further, referring to figs. 2 to shown in Fig. 6, first light source 121 and second light source 122 are multiple；Multiple first light
Source 121 forms multiple first light source groups, and each first light source group includes at least one first light source 121；Multiple second light sources
122 form multiple second light source groups, and each second light source group includes at least one second light source 122；Multiple first light source groups
It is spaced apart with multiple second light source groups.
It is produced electricl energy since the light that first light source 121 is sent out is radiated on opto-electronic conversion cell piece 11, second light source 122 needs
11 supply of electrical energy of opto-electronic conversion cell piece is wanted, thus first light source group and second light source group are spaced apart, and can be radiated at
Light on opto-electronic conversion cell piece 11 is more, to generate more electric energy, preferably supplies second source 122.
Optionally, shown in referring to figs. 2 and 3, for direct-light-type backlight module, multiple first light sources 121 and more
A second light source 122 is arranged in the same plane；Luminescence component further includes positioned at 122 upside of first light source 121 and second light source
Diffuser plate 13, and the optical diaphragm 14 positioned at the upside of diffuser plate 13；Opto-electronic conversion cell piece 11 is arranged in first light source 121
With the downside of second light source 122.Since light leakage is more on the downside of the light source of direct-light-type backlight, thus by opto-electronic conversion cell piece 11
It is arranged in the downside of light source, more electric energy can be obtained.
Further, projection of the opto-electronic conversion cell piece 11 in first light source 121 and second light source 122 covers the first light
Source 121 and second light source 122.The light full illumination that first light source 121 and second light source 122 can be made to shoot down in this way
On opto-electronic conversion cell piece 11, so as to output electric energy as much as possible.Simultaneously because the light full illumination on the downside of light source exists
On opto-electronic conversion cell piece 11, not downward light projects, thus can save the setting of reflector plate in the related technology.
Optionally, refering to what is shown in Fig. 4, backlight source module includes multiple opto-electronic conversion cell pieces 11, multiple opto-electronic conversion electricity
Pond piece 11 is corresponded with multiple first light source groups；The downside of opto-electronic conversion cell piece 11 is provided with reflector plate 15.Using such
When multiple opto-electronic conversion cell pieces 11 are arranged in setting method, when wherein some opto-electronic conversion cell piece 11 breaks down, remaining
Opto-electronic conversion cell piece 11 still can be produced electricity normally, to ensure the normal luminous of second light source 122, improve backlight mould
The reliability of group.
Since multiple opto-electronic conversion cell pieces 11 and multiple first light source groups correspond, thus two neighboring opto-electronic conversion
There are gap between cell piece 11, the light of gap location is shot down in order to prevent, can be under opto-electronic conversion cell piece 11
Reflector plate 15 is arranged in side.
Optionally, with reference to shown in figure 5 and Fig. 6, the backlight source module of side entering type includes glue frame 16；Luminescence component includes setting
Lamp bar 17 on 16 madial wall of glue frame is located at the light guide plate 18 of 17 light emission side of lamp bar, and the light positioned at 18 upside of light guide plate
Learn diaphragm 14；Lamp bar 17 includes multiple first light sources and multiple second light sources；Opto-electronic conversion cell piece 11 is arranged in light guide plate 18
Downside.It is arranged in the downside of light guide plate 18 since the downside light leakage of light guide plate 18 is more, thus by opto-electronic conversion cell piece 11,
Opto-electronic conversion cell piece 11 can be made to generate more electric energy.
In practical applications, the opto-electronic conversion cell piece 11 of multiple strips, the opto-electronic conversion electricity of multiple strips can be set
Pond piece 11 is spacedly distributed in the downside of light guide plate 18；The downside of opto-electronic conversion cell piece 11 is provided with reflector plate 15.When wherein
When some opto-electronic conversion cell piece 11 breaks down, remaining opto-electronic conversion cell piece 11 still can be produced electricity normally, to ensure
The normal luminous of lamp bar 17 improves the reliability of backlight source module.
Since the opto-electronic conversion cell piece 11 of multiple strips is spacedly distributed in the downside of light guide plate 18, thus it is two neighboring
There are gap between opto-electronic conversion cell piece 11, the light of gap location is shot down in order to prevent, can be in opto-electronic conversion battery
Reflector plate 15 is arranged in the downside of piece 11.
Further, opto-electronic conversion cell piece 11 is the electroluminescent film being formed on 18 lower surface of light guide plate.In this way
Eliminate the base material for making opto-electronic conversion cell piece 11 so that light guide plate 18 can guide-lighting but also power generation.
The embodiment of the present invention does not limit the concrete type of opto-electronic conversion cell piece 11, in practical applications, generally
Select solar film battery as opto-electronic conversion cell piece 11.
Another embodiment of the present invention provides a kind of display device, including the backlight described in display panel and any one of the above
Source module.The display device can be the electronic products such as LCD TV, mobile phone or tablet computer, the embodiment of the present invention to this not
It limits.The opposite side that backlight source module in display device provided in an embodiment of the present invention passes through the light emission side in luminescence component
And/or opto-electronic conversion cell piece is arranged in sides adjacent, it is fully sharp in the case of the light emission side for not influencing luminescence component normal light extraction
With the opposite side of the light emission side of luminescence component and/or the emergent ray of sides adjacent so that this part emergent ray is being irradiated to light
Electric energy is converted into after Electroconversion cell piece to be stored in opto-electronic conversion cell piece, due to opto-electronic conversion cell piece can utilize it is extra
Luminous energy generate electricity, thus improve the efficiency of light energy utilization of backlight source module；It is stored in opto-electronic conversion cell piece simultaneously
The light source (i.e. second light source) of electric energy and energy supply portion, such second light source are powered without externally fed equipment, thus are reduced
The energy consumption of backlight source module, improves the performance of display device.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of the claims
It is accurate.
Claims (10)
1. a kind of backlight source module, which is characterized in that including：
Luminescence component；
Opto-electronic conversion cell piece, the opto-electronic conversion cell piece be arranged in the opposite side of the light emission side of the luminescence component and/or
Sides adjacent；The light that the luminescence component is sent out can be radiated on the opto-electronic conversion cell piece；
The luminescence component includes first light source and second light source；The first light source is powered by externally fed equipment, and described
Two light sources are powered by the opto-electronic conversion cell piece.
2. backlight source module according to claim 1, which is characterized in that the first light source and the second light source are
It is multiple；Multiple first light sources form multiple first light source groups, and each first light source group includes at least one
First light source；Multiple second light sources form multiple second light source groups, and each second light source group includes at least
One second light source；
Multiple first light source groups and multiple second light source groups are spaced apart.
3. backlight source module according to claim 2, which is characterized in that multiple first light sources and multiple described second
Light source is arranged in the same plane；
The luminescence component further includes the diffuser plate on the upside of the first light source and the second light source, and positioned at described
Optical diaphragm on the upside of diffuser plate；
The opto-electronic conversion cell piece is arranged in the downside of the first light source and the second light source.
4. backlight source module according to claim 3, which is characterized in that the opto-electronic conversion cell piece is in first light
Projection on source and the second light source covers the first light source and the second light source.
5. backlight source module according to claim 3, which is characterized in that the backlight source module includes multiple photoelectricity
Conversion battery piece, multiple opto-electronic conversion cell pieces are corresponded with multiple first light source groups；
It is provided with reflector plate on the downside of the opto-electronic conversion cell piece.
6. backlight source module according to claim 2, which is characterized in that the backlight source module includes glue frame；
The luminescence component includes the lamp bar being arranged on the glue frame madial wall, is located at the light guide plate of the lamp bar light emission side,
And the optical diaphragm on the upside of the light guide plate；The lamp bar includes multiple first light sources and multiple second light
Source；
The opto-electronic conversion cell piece is arranged in the downside of the light guide plate.
7. backlight source module according to claim 6, which is characterized in that the opto-electronic conversion cell piece is described to be formed in
Electroluminescent film on light guide plate lower surface.
8. the backlight source module described according to claim 6 or 7, which is characterized in that the backlight source module includes multiple strips
The opto-electronic conversion cell piece, the opto-electronic conversion cell piece of multiple strips is spacedly distributed under the light guide plate
Side；
It is provided with reflector plate on the downside of the opto-electronic conversion cell piece.
9. backlight source module according to claim 1, which is characterized in that the opto-electronic conversion cell piece is solar energy film
Battery.
10. a kind of display device, which is characterized in that including display panel and the back of the body as in one of claimed in any of claims 1 to 9
Light source module group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376097.4A CN108363242A (en) | 2018-04-24 | 2018-04-24 | A kind of backlight source module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376097.4A CN108363242A (en) | 2018-04-24 | 2018-04-24 | A kind of backlight source module and display device |
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| Publication Number | Publication Date |
|---|---|
| CN108363242A true CN108363242A (en) | 2018-08-03 |
Family
ID=63009480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810376097.4A Pending CN108363242A (en) | 2018-04-24 | 2018-04-24 | A kind of backlight source module and display device |
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| Country | Link |
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| CN (1) | CN108363242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967236A (en) * | 2022-06-07 | 2022-08-30 | 深圳市瀚达美电子有限公司 | Modular standard size backlight unit module and display device |
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