CN110045544A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN110045544A CN110045544A CN201910261360.XA CN201910261360A CN110045544A CN 110045544 A CN110045544 A CN 110045544A CN 201910261360 A CN201910261360 A CN 201910261360A CN 110045544 A CN110045544 A CN 110045544A
- Authority
- CN
- China
- Prior art keywords
- socle
- area
- backlight module
- fixation
- supporting member
- 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.)
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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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
The present invention provides a kind of backlight module and display device, including substrate, diffuser plate, light source and optical lens, optical lens includes the ontology for being formed with accommodating chamber, supporting member and fixed socle, supporting member is transparent and is set on the light-emitting surface of the ontology, it is used to support diffuser plate, fixed socle is used to optical lens ontology being fixed on substrate, wherein the density of setting of the fixation socle in first area is greater than the density of setting of the fixation socle in second area；Supporting member is set to second area, and the projection of first area and second area on substrate is located at the opposite sides of accommodating chamber.Supporting member is transparent and is arranged on optical lens, will not stop light, and then shadow will not be formed on diffuser plate, alleviates support column in the prior art and stops light the problem of leaving shadow on diffuser plate.Meanwhile increasing the density of the fixed socle in supporting member contralateral regions, avoid the risk that supporting member stress is broken socle.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of backlight module and display devices.
Background technique
As shown in Figure 1, support column 12 is provided on substrate 11, with supporting diffusion plate in direct-light type LED backlight mould group
13, prevent diffuser plate 13 due to it is cold and hot collapse, in transportational process vibrate caused by deformation.
But support column 12 generates blocking to the light of light source (LED light) 14, and then forms shadow on diffuser plate 13.
So existing backlight module needs to be optimized.
Summary of the invention
The present invention provides a kind of backlight module and display device, to solve to prop up present in backlight module in the prior art
The technical issues of dagger stops light to generate shadow.
In order to solve the above problem, technical solution provided by the invention is as follows:
The present invention provides a kind of backlight module comprising:
Substrate；
Diffuser plate；
Light source, setting is on the substrate；
Optical lens, ontology, supporting member including being formed with accommodating chamber, and fixed socle；
The light source is located in the accommodating chamber, and the supporting member is set on the light-emitting surface of the ontology, described solid
Determine socle the ontology is fixed on the substrate；
Wherein, the density of setting of the fixation socle in first area is close greater than the setting of the fixation socle in second area
Degree；The supporting member is set to second area, the first area and the projection position of the second area on the substrate
In the opposite sides of the accommodating chamber.
In backlight module of the invention, quantity the consolidating more than the second area of the fixation socle of the first area
Determine the quantity of socle.
In backlight module of the invention, the size of the fixation socle of the first area is greater than consolidating for the second area
Determine the size of socle.
In backlight module of the invention, quantity the consolidating more than the second area of the fixation socle of the first area
Determine the quantity of socle.
In backlight module of the invention, the quantity of the fixation socle of the first area is equal to consolidating for the second area
Determine the quantity of socle.
In backlight module of the invention, quantity the consolidating less than the second area of the fixation socle of the first area
Determine the quantity of socle.
In backlight module of the invention, the shape of the fixed socle is cylindric or elliptic cylindrical shape.
In backlight module of the invention, the shape of the fixed socle is prism-frustum-shaped.
In backlight module of the invention, the shape of the fixed socle is rectangular-shape.
Meanwhile the present invention provides a kind of display device comprising display panel and backlight module provided by the invention,
The display panel is arranged on the light direction of the backlight module.
The invention has the benefit that the present invention provides a kind of backlight module and display device, the branch of backlight module
Support component is transparent and is arranged on optical lens, and supporting member will not stop light, and then shadow will not be formed on diffuser plate,
Meanwhile increasing the density of the fixed socle in supporting member contralateral regions, it solves in the prior art, support construction is in light propagation out
Shadow is left, while avoiding supporting member stress is broken socle.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of existing backlight module；
Fig. 2 is the structural schematic diagram of backlight module provided in an embodiment of the present invention；
Fig. 3 is the first schematic diagram of fixed socle provided in an embodiment of the present invention.
Fig. 4 is second of schematic diagram of fixed socle provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with specific embodiments of the present invention, to the technical side in embodiment of the present invention and/or embodiment
Case carries out clear, complete description, it is clear that, embodiment and/or embodiment disclosed below is only the present invention
A part of embodiment and/or embodiment, rather than whole embodiments and/or embodiment.Based on the implementation in the present invention
Scheme and/or embodiment, those of ordinary skill in the art are not making the front lower every other reality obtained of creative work
Scheme and/or embodiment are applied, the scope of the present invention is belonged to.
The direction term that the present invention is previously mentioned, for example, [on], [under], [left side], [right side], [preceding], [rear], [interior], [outer],
[side] etc. is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than
To limit the present invention.Term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating or implying its phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.
As shown in Figure 1, having substrate 11 in existing direct-light type LED backlight mould group, support column being provided on substrate
12, it is used to support diffuser plate 13, light source (LED light) 14 is provided on substrate 11, is coated with optical lens in the LED light 14
15, it is opened for LED light to be gone out light light type.
The support column 12 is mainly used for preventing the diffuser plate 13, is collapsed due to cold and hot, is shaken and draw in transportational process
The deformation risen, causes taste problem or wounds optical lens 15.
But support column 12 generates blocking to the light of light source (LED light) 14, and then forms shadow on diffuser plate 13.
So existing backlight module there is technical issues that support column stops light to generate.
There is technical issues that support column stops light to generate for existing backlight module, this clearly demarcated offer is following real
Example is applied to solve the technical problem.
As shown in Fig. 2, the present invention provides a kind of backlight module, including substrate 21, diffuser plate 22, light source 23 and optical lens
24.The optical lens 24 includes the ontology 241 for being formed with accommodating chamber, supporting member 242, and fixed socle 243 again；Institute
It states light source 23 to be located in the accommodating chamber of the optical lens ontology 241, the supporting member 242 is set to the ontology 241
On light-emitting surface, the fixed socle 243 is fixed on the substrate by the ontology 241.
In backlight module of the invention, a kind of preferred embodiment of transparent support member, the same optical lens
On ontology, at least two transparent support members are provided with, and the height of the transparent support member is all identical.
In this embodiment, an embodiment, the shape and height of the transparent support member are all identical.It is described transparent
The shape of supporting member can be cylindricality, taper or other shapes that can be used in support；The height of the transparent support member
Degree can be consistent with the height of cavity, can also be 1-2mm more smaller than the height of cavity.
Multiple shapes and all identical supporting member of height can effectively mitigate or disperse the stress of each support construction, mention
Rise system reliability.
In this embodiment, another embodiment, in the transparent support member, at least one transparent support member
Shape it is not identical, but the height of all transparent support members is all identical, the shape of the transparent support member can be cylindricality,
Taper or other shapes that can be used in support.
In this embodiment, the total volume of a plan of establishment, the transparent support member is identical.
In this embodiment, the total volume of another plan of establishment, the transparent support member is different.
In backlight module of the invention, another preferred embodiment of transparent support member, the same optical lens
It is provided at least two transparent support members, the first transparent support member and the second transparent support member on mirror, described
One transparent support member is different with the second transparent support member height.
The height of first transparent support member can be consistent with the height of cavity, can also be than the height of cavity
The height of smaller 1-2mm, second transparent support member are lower than the height of first transparent support member.
According to the difference of first transparent support member and the second transparent support member height, it is classified as main branch
Component and auxiliary support member are supportted, higher-height transparent support member is main supporting member, a lower height of transparent support structure
Part is auxiliary support member.
Wherein, the main supporting member can effectively play support housing depth effect, when the main supporting member due to
The case where environment or external force factor fail, the auxiliary support member can further function as the work of support housing depth
With.
In this embodiment, an embodiment, the shape of first transparent support member and the second transparent branch
The shape for supportting component is identical.The shape of the transparent support member can be cylindricality, taper or it is other can be used in support
Shape.
In this embodiment, another embodiment, in the transparent support member, first transparent support member
Shape is different with the shape of second transparent support member, and the shape of the transparent support member can be cylindricality, taper, or
It is other shapes that can be used in support.
In this embodiment, a plan of establishment, the total volume of the main supporting member is than the auxiliary support member
Total volume is big.
In this embodiment, another plan of establishment, the total volume of the main supporting member is than the auxiliary support member
Total volume it is small.
In this embodiment, another plan of establishment, the total volume of the main supporting member and the auxiliary support member
Total volume it is equal.
In both examples above, the height of the transparent support member is beyond the optical lens light-emitting surface
Highly, the shape of the transparent support member is also the shape beyond optical lens light-emitting surface.
In backlight module of the invention, there may be the transparent support structure is not provided at least one optical lens
Part.
In backlight module of the invention, there may be the transparent branch is provided only at least one optical lens
Support component.The height of the transparent support member can contact or 1~2mm lower than the diffuser plate with the diffuser plate；Institute
The shape for stating transparent support member can be with cylindricality, taper or other shapes that can be used in support.
Because supporting member is transparent, and is arranged on the light-emitting surface of optical lens, greatly reduced in original technology and props up
Blocking of the dagger to light solves due to support column stops light the technical issues of generating shadow on diffuser plate.
But the transparent support member 242 not absolutely not influences the light that the light source 23 issues, in order to
The influence that the supporting member 242 goes out light characteristic to optical lens 24 is reduced, the transparent support member 242 is set to described
The fringe region of the light-emitting surface of optical lens 24.
In the prior art, the conceptual design of the fixed socle of optical lens is usually 3 feet or 4 leg structures.When positioned at optics
The transparent support member at the light-emitting surface edge of lens is as bearing structure, by diffuser plate and thereon when the excessive weight of component,
It may result in fixed feet post separation, the fracture of transparent support member opposite side optical lens, we are it is further proposed that following
Embodiment is to solve the above technical problems.
The optical lens is divided into first area and second area, the setting of the fixation socle in the first area is close
Degree is greater than the density of setting of the fixation socle in second area；The supporting member is set to second area, the first area
It is located at the opposite sides of the accommodating chamber with the projection of the second area on the substrate.By increasing transparent support member
The density of setting of the fixed socle in opposite side influences fixed socle with balancing pressure on transparent support member, it is disconnected to reduce fixed socle
Split/remove risk.
As shown in figure 3,3 foot formula fixed feet rod structures of otherwise symmetrical formula and 4 foot formula fixed feet rod structures are revised as non-
Symmetrical fixed feet rod structure, transparent support member is located at first area, will in the corresponding second area in first area
Two kinds of fixed feet post design structures increase separately at least one and fix socle.
The quantity of increased fixed socle is not limited to fix a certain number, can be adjusted accordingly according to specific preset value
It is whole.At the same time it can also carry out again position to the socle after change quantity and distribute according to increased fixed socle quantity.
Equally, the size of increased fixed socle is also not limited to original fixed feet column dimension, can be than original fixation
The size of socle is bigger, can also be smaller than original fixed feet column dimension.The shape of increased fixed socle can be cylinder
Shape, elliptical cylinder-shape, prismatic, prismatic table shape etc..
As shown in figure 4,3 foot formula fixed feet rod structures of otherwise symmetrical formula and 4 foot formula fixed feet rod structures are revised as non-
Symmetrical fixed feet rod structure, transparent support member is located at first area, will in the corresponding second area in first area
The size of fixed socle increases.
Fixation socle in second area after increased in size, can be cylinder, be increased to D2 (D2 by original diameter D1
>D1)；It can also become elliptical cylinder-shape, transverse D2, short axle is D1 (D2 > D1)；It can also be prism, terrace with edge, cuboid
Etc. shapes etc., after meeting increased in size, can active balance first area transparent support member pressure, can more effectively defend foot
The fixed feet post shapes design of the risk of post separation is all the scope of protection of the invention.
Fixation socle in second area can keep original solid while increasing original fixed feet column dimension
Quantity and the position for determining socle are constant, can also increase the fixation socle quantity in second area, or reduce in second area
Fixation socle quantity, can also according to increase or reduction fixation socle quantity, to change quantity after socle carry out weight
New position distribution.
Meanwhile the embodiment of the invention also provides a kind of display devices comprising display panel and provided by the invention
Backlight module, the display panel are arranged on the light direction of the backlight module.
In one embodiment, the display panel includes liquid crystal display panel.
According to above-described embodiment:
The present invention provides a kind of backlight module and display device, and supporting member is transparent and is arranged on optical lens,
Supporting member will not stop light, and then shadow will not be formed on diffuser plate, meanwhile, increase supporting member contralateral regions and fixes
The density of socle solves in the prior art, and support construction leaves shadow in light propagation out, at the same avoid supporting member by
Power is broken socle.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of backlight module characterized by comprising
Substrate；
Diffuser plate；
Light source, setting is on the substrate；
Optical lens, ontology, supporting member including being formed with accommodating chamber, and fixed socle；
The light source is located in the accommodating chamber, and the supporting member is set on the light-emitting surface of the ontology, the fixed feet
Column is fixed on the substrate by the ontology；
Wherein, the density of setting of the fixation socle in first area is greater than the density of setting of the fixation socle in second area；Institute
It states supporting member and is set to second area, the first area and the projection of the second area on the substrate are located at described
The opposite sides of accommodating chamber.
2. backlight module as described in claim 1, which is characterized in that the quantity of the fixation socle of the first area is more than institute
State the quantity of the fixation socle of second area.
3. backlight module as described in claim 1, which is characterized in that the size of the fixation socle of the first area is greater than institute
State the size of the fixation socle of second area.
4. backlight module as claimed in claim 3, which is characterized in that the quantity of the fixation socle of the first area is more than institute
State the quantity of the fixation socle of second area.
5. backlight module as claimed in claim 3, which is characterized in that the quantity of the fixation socle of the first area is equal to institute
State the quantity of the fixation socle of second area.
6. backlight module as claimed in claim 3, which is characterized in that the quantity of the fixation socle of the first area is less than institute
State the quantity of the fixation socle of second area.
7. backlight module as described in claim 1, which is characterized in that the shape of the fixed socle is cylindric or oval
Column.
8. backlight module as described in claim 1, which is characterized in that the shape of the fixed socle is prism-frustum-shaped.
9. backlight module as described in claim 1, which is characterized in that the shape of the fixed socle is rectangular-shape.
10. a kind of display device, which is characterized in that including display panel and back as described in any one of claim 1 to 9
Optical mode group, the display panel are arranged on the light direction of the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261360.XA CN110045544B (en) | 2019-04-02 | 2019-04-02 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261360.XA CN110045544B (en) | 2019-04-02 | 2019-04-02 | Backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110045544A true CN110045544A (en) | 2019-07-23 |
| CN110045544B CN110045544B (en) | 2022-02-01 |
Family
ID=67275727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910261360.XA Active CN110045544B (en) | 2019-04-02 | 2019-04-02 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110045544B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155391A1 (en) * | 2019-01-29 | 2020-08-06 | 惠州市华星光电技术有限公司 | Backlight module and display apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004233828A (en) * | 2003-01-31 | 2004-08-19 | Sanyo Electric Co Ltd | Liquid crystal display |
| CN201054060Y (en) * | 2007-05-14 | 2008-04-30 | 中华映管股份有限公司 | Backlight module |
| CN202216110U (en) * | 2011-09-07 | 2012-05-09 | 北京京东方光电科技有限公司 | Bottom lighting type backlight device and display device |
| CN102472447A (en) * | 2009-07-21 | 2012-05-23 | 夏普株式会社 | Lens unit, light emitting module, illumination device, display device, and television receiving device |
| CN105278160A (en) * | 2015-10-29 | 2016-01-27 | 深圳市华星光电技术有限公司 | Backlight unit, backlight module and display device |
| CN106405928A (en) * | 2015-07-27 | 2017-02-15 | 扬升照明股份有限公司 | Light source module |
| CN109163227A (en) * | 2018-08-31 | 2019-01-08 | 惠州市华星光电技术有限公司 | Down straight aphototropism mode set and light emitting diode matrix |
-
2019
- 2019-04-02 CN CN201910261360.XA patent/CN110045544B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004233828A (en) * | 2003-01-31 | 2004-08-19 | Sanyo Electric Co Ltd | Liquid crystal display |
| CN201054060Y (en) * | 2007-05-14 | 2008-04-30 | 中华映管股份有限公司 | Backlight module |
| CN102472447A (en) * | 2009-07-21 | 2012-05-23 | 夏普株式会社 | Lens unit, light emitting module, illumination device, display device, and television receiving device |
| CN202216110U (en) * | 2011-09-07 | 2012-05-09 | 北京京东方光电科技有限公司 | Bottom lighting type backlight device and display device |
| CN106405928A (en) * | 2015-07-27 | 2017-02-15 | 扬升照明股份有限公司 | Light source module |
| CN105278160A (en) * | 2015-10-29 | 2016-01-27 | 深圳市华星光电技术有限公司 | Backlight unit, backlight module and display device |
| CN109163227A (en) * | 2018-08-31 | 2019-01-08 | 惠州市华星光电技术有限公司 | Down straight aphototropism mode set and light emitting diode matrix |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155391A1 (en) * | 2019-01-29 | 2020-08-06 | 惠州市华星光电技术有限公司 | Backlight module and display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110045544B (en) | 2022-02-01 |
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