CN110007515A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN110007515A CN110007515A CN201910264364.3A CN201910264364A CN110007515A CN 110007515 A CN110007515 A CN 110007515A CN 201910264364 A CN201910264364 A CN 201910264364A CN 110007515 A CN110007515 A CN 110007515A
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- China
- Prior art keywords
- support member
- transparent support
- optical lens
- backlight module
- transparent
- 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
- G02F1/133606—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, array are arranged on the substrate；Optical lens is corresponded with the light source, covers the light source, and array setting is on the substrate；Transparent support member is set on the optical lens, is used to support the diffuser plate；Wherein, it is provided with transparent support member on the optical lens in main stress region, the optical lens in other regions is provided with transparent support member according to preset rules.Existing backlight module, which has been effectively relieved, in the backlight module there is technical issues that support column stops light to generate, while improve taste and module reliability, reduce production cost.
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, being provided with support column 12 on substrate 11 in existing direct-light type LED backlight mould group, expanded with supporting
It falls apart 13, prevents diffuser plate 13 from collapsing due to cold and hot, vibrate in transportational process and cause 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 there is technical issues that support column stops light to generate.
Summary of the invention
The present invention provides a kind of backlight module and display device, and capable of alleviating existing backlight module, there are support column blockings
Light generates the technical issues of shadow.
In order to alleviate above-mentioned technical problem, technical solution provided by the invention is as follows:
The present invention provides a kind of backlight module, including
Substrate；
Diffuser plate；
Light source, array are arranged on the substrate；
Optical lens is corresponded with the light source, covers the light source, and array setting is on the substrate；
Transparent support member is set on the optical lens, is used to support the diffuser plate；
Wherein, it is provided with transparent support member on the optical lens in main stress region, be located in other regions
Optical lens preset rules are provided with transparent support member.
In backlight module of the invention, the height of the transparent support member is identical.
In backlight module of the invention, in other described regions, it is not provided with the optical lens of transparent support member, and not
The optical lens that transparent support member is arranged is staggered.
In backlight module of the invention, in other described regions, the optical lens column of transparent support member are provided with, with
The optical lens column of not set transparent support member are staggered.
In backlight module of the invention, in other described regions, the optical lens column of transparent support member are provided with, with
The optical lens column ladder of not set transparent support member is arranged.
In backlight module of the invention, the transparent support member includes the first transparent support member and the second transparent branch
Component is supportted, the height of the first transparent support member is greater than the height of the second transparent support member.
In backlight module of the invention, first transparent support member is arranged in the optics in main stress region
On lens, second transparent support member is arranged on the optical lens in other regions.
In backlight module of the invention, it is provided with the optical lens of first transparent support member, with setting
The optical lens column for stating the second transparent support member are staggered.
In backlight module of the invention, it is provided with the optical lens of first transparent support member, with setting
State the optical lens column ladder setting of the second transparent support member.
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, is provided with transparent support structure on the optical lens in main stress region
Part, the optical lens in other regions are provided with transparent support member according to preset rules, and existing backlight has been effectively relieved
Mould group there is technical issues that support column stops light to generate, while improve taste and module reliability, reduce life
Produce cost.
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 arrangement schematic diagram of optical lens provided in an embodiment of the present invention.
Fig. 4 is the second arrangement schematic diagram of optical lens 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, the present invention provides following real
Example is applied to solve the technical problem.
In one embodiment, 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 and transparent support member 25.The light source 23 is located in the accommodating chamber of the optical lens 24, institute
It states transparent support member 25 to be set on the light-emitting surface of the optical lens 24, is used to support the diffuser plate.
In one embodiment, a kind of setting form of the transparent support member is described as shown in 251 in Fig. 2
Bright supporting member 251 is integrally formed with the optical lens 24.Prepared used in the transparent support member 251 material with it is described
It is identical that material is prepared used in optical lens 24, is acrylic, polycarbonate, glass, silicone plasties etc..
In one embodiment, the transparent support member 251 and the optical lens 24 can use traditional one
Injection molding；Conventional glue inlet position can also be located at using double glue inlet injection moldings, i.e. the first glue inlet, the
Two glue inlets are located at transparent support member top, and the material injected from first glue inlet contributes lens lower zone, from institute
State the material contribution lens upper area of the second glue inlet injection.
In one embodiment, another setting form of the transparent support member is described as shown in 252 in Fig. 2
Transparent support member 252 is separately formed with the optical lens 24.Material and institute are prepared used in the transparent support member 252
State and prepare material difference used in optical lens 24, prepare used in the optical lens 24 material be acrylic, polycarbonate,
The material for preparing used of glass, silicone plasties etc., the transparent support member 252 is silicone plasties, silicone resin etc..
In one embodiment, it is formed using injecting glue method and has the optical lens 24, on the optical lens light-emitting surface
The groove of default transparent support member；Dispensing mode is used again, by control rubber quality, is formed to have in the recess region and be fixed
The transparent support member 252 of size.
In one embodiment, on the same optical lens ontology, at least two transparent support structures are provided with
Part, and the height of the transparent support member is all identical.
In one embodiment, the shape of the transparent support member and height are all identical.The transparent support member
Shape can be cylindricality, taper or other shapes that can be used in support；The height of the transparent support member can be with chamber
The height of body is consistent, 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 one embodiment, the shape of at least one transparent support member in the transparent support member not phase
Together, but the height of all transparent support members is all identical, and the shape of the transparent support member can be cylindricality, taper, or
Other shapes that can be used in support.
In one embodiment, at least two transparent support members are provided on the same optical lens, the
One transparent support member and the second transparent support member, first transparent support member and second transparent support member are high
Degree is different.
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 one embodiment, the shape of the shape of first transparent support member and second transparent support member
It is identical.The shape of the transparent support member can be cylindricality, taper or other shapes that can be used in support.
In one embodiment, in the transparent support member, the shape of first transparent support member and described
The shapes of two transparent support members is different, and the shape of the transparent support member can be cylindricality, taper or other can use
In the shape of support.
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 one embodiment, in backlight module of the invention, there may be do not set at least one optical lens
Set the transparent support member.
In one embodiment, in backlight module of the invention, there may be only arranged at least one optical lens
There is the transparent support member.The height of the transparent support member can contact with the diffuser plate or than the expansion
Fall apart low 1~2mm, can also be more much lower than diffuser plate；The shape of the transparent support member can with cylindricality, taper or its
It can be used in the shape of support.
In one embodiment, in backlight module of the invention, a kind of distribution map of preferred embodiment of optical lens
As shown in figure 3, the height of the transparent support member is all identical, the height of the transparent support member can be with the diffuser plate
It contacts or 1~2mm lower than the diffuser plate.
In one embodiment, it in the main stress region that stress is more concentrated, is provided on optical lens transparent
Supporting member；In other regions, it is provided with the optical lens of transparent support member, the light with not set transparent support member
Lens are learned to be staggered.
In one embodiment, main stress region refers to the region that stress is more concentrated, these regions are easy stress and deformation,
Such as the central area of backlight module, and other regions are then the fringe regions around main stress region.
In one embodiment, it in the main stress region that stress is more concentrated, is provided on optical lens transparent
Supporting member；In other regions, the optical lens column of transparent support member are provided with, with not set transparent support member
Optical lens column are staggered.
In one embodiment, it in the main stress region that stress is more concentrated, is provided on optical lens transparent
Supporting member；In other regions, the optical lens column of transparent support member are provided with, with not set transparent support member
The setting of optical lens column ladder.
The optical lens of the optical lens for being provided with transparent support member and the not set transparent support member it
Between spacing, can be arranged according to preset value, can be equidistant, can also be with unequal spacing.
So, it is possible to reduce be provided with the quantity of the optical lens of transparent support member, can not only increase mould group can
By property, the influence that goes out light characteristic of the transparent support member to light is further reduced.
In one embodiment, in backlight module of the invention, the distribution of another preferred embodiment of optical lens
Figure is as shown in figure 4, the transparent support member includes the first transparent support member and the second transparent support member, the first transparent branch
The height for supportting component is greater than the height of the second transparent support member.
In one embodiment, the transparent branch being arranged on the optical lens in the main stress region that stress is more concentrated
Support component is the first transparent support member, and the transparent support member being arranged on the optical lens in other regions is second saturating
Bright supporting member；I.e. described first transparent support member is arranged on the optical lens in main stress region, and described second
Transparent support member is arranged on the optical lens in other regions.
In one embodiment, it is provided with the optical lens of first transparent support member, and is provided with described second
The optical lens of transparent support member is staggered.
In one embodiment, it is provided with the optical lens of first transparent support member, and is provided with described second
The optical lens column of transparent support member are staggered.
In one embodiment, it is provided with the optical lens of first transparent support member, and is provided with described second
The optical lens column ladder of transparent support member is arranged.
First transparent support member is used to support housing depth, under normal circumstances, the second transparent support member and institute
State diffuser plate distance farther out, it is described when first transparent support member is failed due to environment or external force factor the case where
Second transparent support member can further function as support housing depth effect, avoid diffuser plate collapse completely bring it is serious
Quality problem.
In this way, can not only increase the reliability of mould group, while further mitigating transparent support member bring shadow
Problem.
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, and the backlight module includes: substrate；Expand
It falls apart；Light source, array are arranged on the substrate；Optical lens corresponds with the light source, covers the light source, and battle array
Column setting is on the substrate；Transparent support member is set on the optical lens, is used to support the diffuser plate；
Wherein, it is provided with transparent support member on the optical lens in main stress region, be located in other regions
Optical lens preset rules are provided with transparent support member.
In one embodiment, in display device provided by the invention, the height of the transparent support member is identical.
In one embodiment, in display device provided by the invention, in other described regions, it is provided with transparent support
The optical lens of component is staggered with the optical lens of not set transparent support member.
In one embodiment, in display device provided by the invention, in other described regions, it is provided with transparent support
The optical lens of component arranges, and is staggered with the optical lens column of not set transparent support member.
In one embodiment, in display device provided by the invention, in other described regions, it is provided with transparent support
The optical lens of component arranges, and is arranged with the optical lens column ladder of not set transparent support member.
In one embodiment, in display device provided by the invention, the transparent support member includes first transparent
Supporting member and the second transparent support member, the height of the first transparent support member are greater than the height of the second transparent support member.
In one embodiment, in display device provided by the invention, the first transparent support member setting is in place
In the transparent support member being arranged on the optical lens in main stress region be the first transparent support member, the second transparent branch
The transparent support member being arranged on the optical lens that support component is arranged in other regions is the second transparent support member.
In one embodiment, in display device provided by the invention, it is provided with first transparent support member
Optical lens is set on the optical lens being located in main stress region with the optical lens for being provided with second transparent support member
The transparent support member set is the first transparent support member, the transparent support structure being arranged on the optical lens in other regions
Part is that the first transparent support member and the second transparent support member are staggered.
In one embodiment, in display device provided by the invention, it is provided with first transparent support member
Optical lens is set on the optical lens being located in main stress region with the optical lens for being provided with second transparent support member
The transparent support member set is the first transparent support member, the transparent support structure being arranged on the optical lens in other regions
Part is that the first transparent support member and the second transparent support member column are staggered.
In one embodiment, in display device provided by the invention, it is provided with first transparent support member
Optical lens is arranged with the optical lens column ladder for being provided with second transparent support member.
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 the supporting member of backlight module is transparent and is arranged in light
It learns on lens, is provided with transparent support member on the optical lens in main stress region, the light in other regions
It learns lens and preset rules is provided with transparent support member, existing backlight module has been effectively relieved, and there are support columns to stop light
The technical issues of generating shadow, while taste and module reliability are improved, reduce production cost.
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, array are arranged on the substrate；
Optical lens is corresponded with the light source, covers the light source, and array setting is on the substrate；
Transparent support member is set on the optical lens, is used to support the diffuser plate；
Wherein, it is provided with transparent support member on the optical lens in main stress region, the light in other regions
It learns lens and preset rules is provided with transparent support member.
2. backlight module as described in claim 1, which is characterized in that the height of the transparent support member is identical.
3. backlight module as claimed in claim 2, which is characterized in that in other described regions, be provided with transparent support member
Optical lens, be staggered with the optical lens of not set transparent support member.
4. backlight module as claimed in claim 2, which is characterized in that in other described regions, be provided with transparent support member
Optical lens column, be staggered with the optical lens of not set transparent support member column.
5. backlight module as claimed in claim 2, which is characterized in that in other described regions, be provided with transparent support member
Optical lens column, be arranged with the optical lens column ladder of not set transparent support member.
6. backlight module as described in claim 1, which is characterized in that the transparent support member includes the first transparent support structure
Part and the second transparent support member, the height of the first transparent support member are greater than the height of the second transparent support member.
7. backlight module as claimed in claim 6, which is characterized in that first transparent support member be arranged in it is main by
On optical lens in power region, second transparent support member is arranged on the optical lens in other regions.
8. backlight module as claimed in claim 6, which is characterized in that be provided with the optical lens of first transparent support member
Mirror is arranged with the optical lens for being provided with second transparent support member and is staggered.
9. backlight module as claimed in claim 6, which is characterized in that be provided with the optical lens of first transparent support member
Mirror is arranged with the optical lens column ladder for being provided with second transparent support member.
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264364.3A CN110007515A (en) | 2019-04-03 | 2019-04-03 | Backlight module and display device |
| PCT/CN2019/084179 WO2020199282A1 (en) | 2019-04-03 | 2019-04-25 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264364.3A CN110007515A (en) | 2019-04-03 | 2019-04-03 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110007515A true CN110007515A (en) | 2019-07-12 |
Family
ID=67169575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264364.3A Pending CN110007515A (en) | 2019-04-03 | 2019-04-03 | Backlight module and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110007515A (en) |
| WO (1) | WO2020199282A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| 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 |
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| CN205353525U (en) * | 2016-02-15 | 2016-06-29 | 京东方科技集团股份有限公司 | Bearing structure , straight following formula backlight and display device |
| CN106526931A (en) * | 2016-11-04 | 2017-03-22 | 武汉华星光电技术有限公司 | Array substrate, liquid crystal display panel and preparation method of liquid crystal display panel |
| CN106526964A (en) * | 2016-11-30 | 2017-03-22 | 厦门天马微电子有限公司 | Display panel |
| 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 |
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| WO2020199282A1 (en) | 2020-10-08 |
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