CN108398829A - Backlight module and preparation method thereof based on quantum dot - Google Patents
Backlight module and preparation method thereof based on quantum dot Download PDFInfo
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- CN108398829A CN108398829A CN201810164050.1A CN201810164050A CN108398829A CN 108398829 A CN108398829 A CN 108398829A CN 201810164050 A CN201810164050 A CN 201810164050A CN 108398829 A CN108398829 A CN 108398829A
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- quantum dot
- light guide
- guide plate
- reflector plate
- site
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Abstract
The invention discloses a kind of backlight modules based on quantum dot, the quantum dot site comprising quanta point material that is set on the bottom surface of light guide plate including light guide plate, in array, be packaged in the reflector plate of quantum dot site bottom surface and be covered on the reflector plate quantum dot site backwards water proof oxygen barrier layer on the whole, projection of the quantum dot site on the reflector plate be fully located in the reflector plate.The invention also discloses a kind of production methods of backlight module.The quantum dot site of the present invention is sealed in bottom surface of light guide plate, upper layer Barrier is served as using light guide plate, stop and utilize the light of bottom using reflector plate, the oxygen barrier effect of water proof is realized using another Barrier of reflector plate bottom surface, therefore the lower layer Barrier of reflector plate bottom surface, can there is the material selection of more multi items without considering optical characteristics, the application cost of quanta point material is reduced, and can ensure the oxygen barrier effect of preferable water proof.
Description
Technical field
The present invention relates to technology of quantum dots fields more particularly to a kind of based on the backlight module of quantum dot and its making side
Method.
Background technology
Due to the fast development of OLED (Organic Light Emitting Display, organic light emitting display) technology,
LCD (Liquid Crystal Display, liquid crystal display) faces numerous challenges, and compared with OLED, LCD is in slimming, comparison
There are certain weak tendencies for degree, color saturation etc..In order to enable LCD that can be equal to OLED in above-mentioned performance, Ren Menyue
It is captured more to pay attention to the technology in these areas.
Such as in terms of color saturation, by adjusting the Color on TFT Cell (tft liquid crystal panel)
Filter (CF, i.e. colored filter), or LED backlight light source is satisfied (as containing red and green emitting phosphor using high color
LED, or the LED containing polychrome chip, or even the form using quantum dot as fluorescent powder), the high color to realize LCD is full
(NTSC is 90% or more).Among these, relatively conventional is that quantum dot (quantum dot, abbreviation QD) material is produced on film
In piece framework, such as the quantum dot diaphragm of 3M companies.
By taking side entrance back framework as an example, it is emitted after the propagation that the light of blue-ray LED passes through light guide plate, into quantum dot
Film, blue light excitation quantum point and generate green light and feux rouges, common superposition forms white light.In the top of quantum dot film, it usually needs
Other optical diaphragms such as prism film (Prism Sheet), diffusion barrier (Diffuser Sheet) of setting etc., with reach face it is bright
Degree increase, shielding enhancing and other effects.
In order to realize thinner module design, beginning with direction at present, QD is directly fabricated into going out on LGP by research emphatically
In smooth surface, but it is constrained to QD and is easy the problem of contacting and failing with steam, oxygen also to need after having made QD Layer on LGP
Water proof oxygen barrier layer is additionally added again.If water proof oxygen barrier layer is using Barrier Film (barrier film), cost is higher；If
Barrier resin layers are directly coated with, with current Barrier resin materials, optical characteristics (inhale by optical transmittance, all band
Receive uniformity) still it cannot be satisfied.Therefore, it is necessary to develop a kind of new technology so that, can when QD is made on LGP
Ensure lower cost, and can guarantee that QD has the oxygen-impermeable effect of water proof.
Invention content
In view of the shortcomings of the prior art, the present invention provides a kind of based on the backlight module of quantum dot and its making side
Method, can reduce the application cost of quanta point material, and ensure the oxygen barrier effect of preferable water proof.
In order to achieve the above purpose, present invention employs the following technical solutions：
A kind of backlight module based on quantum dot, including light guide plate, in array be set to the bottom surface of light guide plate on include
It the quantum dot site of quanta point material, the reflector plate for being packaged in quantum dot site bottom surface and is covered on the reflector plate
Backwards to the quantum dot site water proof oxygen barrier layer on the whole, projection of the quantum dot site on the reflector plate it is complete
In the reflector plate.
As one of which embodiment, the backlight module based on quantum dot further includes light transmission glue-line, described
Optical cement layer is filled between the light guide plate and the reflector plate, and the quantum dot site is completely covered.
As one of which embodiment, the refractive index of the light transmission glue-line is less than 1.5.
As one of which embodiment, the quantum dot site is that quantum dot adulterates to be formed with ink.
As one of which embodiment, the quantum dot site coating is formed in the light guide plate surface.
As one of which embodiment, the water proof oxygen barrier layer is acrylic system, epoxy resin, one kind of inorganic matter
Or a variety of mixing.
As one of which embodiment, the thickness of the water proof oxygen barrier layer is 10um~1mm.
As one of which embodiment, the water proof oxygen barrier layer coating is formed on the reflector plate.
As one of which embodiment, the surface indentation of the reflector plate towards the light guide plate is formed with several recess
Portion, each recessed portion and a quantum dot site face.
Another object of the present invention is to provide a kind of production method of the backlight module based on quantum dot, packets
It includes：
One light guide plate is provided；
Quantum dot site is made in the bottom surface of light guide plate；
It is coated with light transmission glue-line in the bottom surface of light guide plate, the quantum dot site is sealed in the bottom surface of light guide plate；
It is bonded reflector plate in light transmission glue-line bottom surface；
Water proof oxygen barrier layer is covered at the reflector plate back side.
The quantum dot site of the present invention is sealed in bottom surface of light guide plate, serves as upper layer Barrier using light guide plate, utilizes reflection
Piece stops and utilizes the light of bottom, and the oxygen barrier effect of water proof, reflector plate bottom surface are realized using another Barrier of reflector plate bottom surface
Lower layer Barrier without considering optical characteristics, therefore, can there is the material selection of more multi items, reduce quantum dot material
The application cost of material, and can ensure the oxygen barrier effect of preferable water proof.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of display device of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another display device of the embodiment of the present invention；
Fig. 3 is the production method schematic diagram of the backlight module of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Refering to fig. 1, the display panel 1 based on quantum dot, backlight module 2 and the light source 3 of the embodiment of the present invention, backlight module
1 is set to 1 lower section of display panel, and backlight is provided for display panel 1.Backlight module 2 includes mainly light guide plate 10, is set in array
The quantum dot site 20 comprising quanta point material on 10 bottom surface of light guide plate, the reflector plate 30 for being packaged in 20 bottom surface of quantum dot site
And be covered on reflector plate 30 backwards to quantum dot site 20 water proof oxygen barrier layer 40 on the whole, backlight module 2 may also include
Optical diaphragm group 60 between light guide plate 10 and display panel 1, projection of the quantum dot site 20 on reflector plate 30 are complete
In 30 profile of reflector plate, i.e., reflector plate 30 has sufficiently large area, at least blocks quantum dot site 20 completely.
Here, upper layer Barrier of the light guide plate 10 as quantum dot site 20, it is preferred to use for glass, polymethyl
The materials such as sour methyl esters (PMMA), styrene-methylmethacrylate copolymer (MS) have preferable water proof oxygen barrier properties, can
To play a protective role to quantum dot site 20.
And reflector plate 30 is fitted in 50 lower section of light transmission glue-line entirely, to ensure without air layer.Specifically, in light guide plate 10 and instead
It penetrates between piece 30 and is filled with the light transmission glue-line 50 of low-refraction, which is completely covered quantum dot site 20, will own
Quantum dot site 20 be packaged in wherein.Preferably, the refractive index of the light transmission glue-line 50 is less than 1.5, it is highly preferred that its refractive index
Less than 1.4, original light-guiding function of light guide plate 10 is not interfered with substantially.
The end face of light source 3 towards the light guide plate 10 of 10 side of light guide plate emits beam, and a part of light passes in light guide plate 10
It is incident towards the quantum dot site of bottom 20 after broadcasting, after quantum dot site 20 is stimulated, it is equivalent to positioned at 10 bottom surface of light guide plate
Another one group of light source provides additional backlight light so that backlight illumination is substantially improved for light guide plate 10.Quantum dot site 20 excites
A light part for generation is directly entered light guide plate 10, and another part will by 50 directive reflector plate 30 of light transmission glue-line, reflector plate 30
The light received is reflected back light guide plate 10, all enters leaded light to realize all light inspired from quantum dot site 20
Plate 10, ensure that backlight illumination and uniformity.
Specifically when making quantum dot site 20, quantum dot site 20 is that quantum dot adulterates to be formed with ink, can be passed through
It is coated with the quantum dot of a pattern layers and the dopant material of ink on 10 bottom surface of light guide plate, you can form having both for array setting
The stipple pattern of scattering netted dot and quantum dot arousal function.
Water proof oxygen barrier layer 40, can be with using acrylic system, one or more mixed materials of epoxy resin, inorganic matter
Directly coating is formed on reflector plate 30, and thickness range is 10um~1mm, moisture-vapor transmission ＜ 10-1g/(m2For 24 hours),
OTR oxygen transmission rate ＜ 10-1cm3/(m2·24h·0.1MPa).The water proof oxygen barrier layer 40 of the present embodiment, reflector plate 30, light transmission glue-line
50 keep concordant substantially with the end face of light guide plate 10 respectively, and the end of 30 surrounding of reflector plate can also be turned down to package light transmission glue-line
50 surrounding is blocked and is reflected the light that the end face of light transmission glue-line 50 is projected, avoids light leakage.
Since reflector plate 30 is formed between quantum dot site 20 and water proof oxygen barrier layer 40, water proof oxygen barrier layer 40 does not need to
Have the optical characteristics of the harshness such as optical transmittance, all band uniform absorption, therefore less expensive material system may be used
At having saved the cost of manufacture of product.
As shown in Fig. 2, as another embodiment, the reflector plate of the reflector plate 30 and the above embodiment of the present embodiment
30 are slightly different, and the surface indentation of reflector plate 30 towards light guide plate 10 is formed with several recessed portions 300, wherein each recessed portion
300 and 20 face of quantum dot site.The recessed portion 300 is preferably globoidal structure, and each overall size of recessed portion 300
More than corresponding quantum dot site 20, the light part that the excitation of quantum dot site 20 generates is by 50 directive reflector plate of light transmission glue-line
30, the light for injecting recessed portion 300 is reflected back light guide plate 10 in a manner of convergence, compared with flat reflector plate 30, this
The reflector plate 30 of embodiment can allow the light projected from quantum dot site 20 towards reflector plate 30 to converge to a certain extent
Gather back light guide plate 10 so that 10 region of light guide plate corresponding to each quantum dot site 20 has higher, brightness evenly.
As shown in figure 3, correspondingly, the present invention also provides a kind of making sides of the backlight module based on quantum dot
Method, including：
S01, a light guide plate 10, upper layer Barrier of the light guide plate 10 as quantum dot site 20 are provided, it is preferred to use be glass
The materials such as glass, polymethyl methacrylate (PMMA), styrene-methylmethacrylate copolymer (MS)；
S02, quantum dot site 20 is made in 10 bottom surface of light guide plate, quantum dot site 20 is that quantum dot adulterates shape with ink
When being made at, quantum dot site 20, the quantum dot of a pattern layers and mixing for ink are specifically coated on 10 bottom surface of light guide plate
Miscellaneous material；
S03, in 10 bottom-surface coated light transmission glue-line 50 of light guide plate, quantum dot site 20 is sealed in 10 bottom surface of light guide plate,
The light transmission glue-line 50 is the glue with lower refractive index, and refractive index is less than 1.5, it is highly preferred that its refractive index is less than
1.4；
S04, it is bonded reflector plate 30 in 50 bottom surface of light transmission glue-line；
S05, water proof oxygen barrier layer 40 is covered at 30 back side of reflector plate, water proof oxygen barrier layer 40 is using acrylic system, epoxy resin
It is, one or more mixed materials of inorganic matter, can be directly coated with and be formed on reflector plate 30, thickness range 10um
~1mm, moisture-vapor transmission ＜ 10-1g/(m2For 24 hours), OTR oxygen transmission rate ＜ 10-1cm3/(m2·24h·0.1MPa)。
Light guide plate itself due to the application has preferable water proof oxygen barrier properties, the upper layer as quantum dot site
Barrier can reduce by one layer of special Barrier, simultaneously as reflector plate is formed in quantum dot site and water proof oxygen barrier layer
Between, water proof oxygen barrier layer does not need to the optical characteristics for having the harshness such as optical transmittance, all band uniform absorption, therefore can
To be made of less expensive material, the cost of manufacture of product is further saved, the application of quanta point material is reduced
Cost, and can ensure the oxygen barrier effect of preferable water proof.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.
Claims (10)
1. a kind of backlight module based on quantum dot, which is characterized in that including light guide plate (10), be set to the light guide plate in array
(10) the quantum dot site (20) comprising quanta point material on bottom surface, be packaged in the reflection of quantum dot site (20) bottom surface
Piece (30) and be covered on the reflector plate (30) backwards to the quantum dot site (20) water proof oxygen barrier layer on the whole
(40), projection of the quantum dot site (20) on the reflector plate (30) is fully located in the reflector plate (30).
2. the backlight module according to claim 1 based on quantum dot, which is characterized in that further include light transmission glue-line (50),
The light transmission glue-line (50) is filled between the light guide plate (10) and the reflector plate (30), and the quantum dot is completely covered
Site (20).
3. the backlight module according to claim 2 based on quantum dot, which is characterized in that the folding of the light transmission glue-line (50)
It penetrates rate and is less than 1.5.
4. the backlight module according to claim 3 based on quantum dot, which is characterized in that the quantum dot site (20) is
Quantum dot adulterates to be formed with ink.
5. the backlight module according to claim 4 based on quantum dot, which is characterized in that the quantum dot site (20) applies
Cloth is formed in the light guide plate (10) surface.
6. the backlight module according to claim 1 based on quantum dot, which is characterized in that the water proof oxygen barrier layer (40) is
One or more mixing of acrylic system, epoxy resin, inorganic matter.
7. the backlight module according to claim 6 based on quantum dot, which is characterized in that the water proof oxygen barrier layer (40)
Thickness is 10um~1mm.
8. the backlight module according to claim 6 based on quantum dot, which is characterized in that the water proof oxygen barrier layer (40) applies
Cloth is formed on the reflector plate (30).
9. according to any backlight modules based on quantum dot of claim 1-8, which is characterized in that the reflector plate (30)
Several recessed portions (300) are formed with towards the surface indentation of the light guide plate (10), each recessed portion (300) and an institute
State quantum dot site (20) face.
10. a kind of production method of any backlight modules based on quantum dot of claim 2-9, which is characterized in that packet
It includes：
One light guide plate (10) is provided；
Quantum dot site (20) are made in the light guide plate (10) bottom surface；
In the light guide plate (10) bottom-surface coated light transmission glue-line (50), the quantum dot site (20) is sealed in the light guide plate
(10) bottom surface；
In light transmission glue-line (50) bottom surface fitting reflector plate (30)；
In the reflector plate (30) back side covering water proof oxygen barrier layer (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164050.1A CN108398829B (en) | 2018-02-27 | 2018-02-27 | Backlight module based on quantum dots and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164050.1A CN108398829B (en) | 2018-02-27 | 2018-02-27 | Backlight module based on quantum dots and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108398829A true CN108398829A (en) | 2018-08-14 |
| CN108398829B CN108398829B (en) | 2021-03-02 |
Family
ID=63096707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810164050.1A Active CN108398829B (en) | 2018-02-27 | 2018-02-27 | Backlight module based on quantum dots and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN108398829B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627345A (en) * | 2020-06-09 | 2020-09-04 | 上海天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN114002883A (en) * | 2021-11-26 | 2022-02-01 | 深圳康佳电子科技有限公司 | Quantum dot light guide plate and backlight display module |
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| US20120113672A1 (en) * | 2008-12-30 | 2012-05-10 | Nanosys, Inc. | Quantum dot films, lighting devices, and lighting methods |
| CN105698047A (en) * | 2016-04-19 | 2016-06-22 | 吴冬梅 | Backlight module |
| CN105929480A (en) * | 2016-04-12 | 2016-09-07 | 苏州星烁纳米科技有限公司 | Novel light guide plate and application thereof |
| CN106773322A (en) * | 2017-02-22 | 2017-05-31 | 深圳市华星光电技术有限公司 | Backlight module and double side liquid crystal display |
| CN206248879U (en) * | 2016-12-22 | 2017-06-13 | 鸿汉（厦门）科技有限公司 | A kind of backlight module and display device |
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| US20120113672A1 (en) * | 2008-12-30 | 2012-05-10 | Nanosys, Inc. | Quantum dot films, lighting devices, and lighting methods |
| CN105929480A (en) * | 2016-04-12 | 2016-09-07 | 苏州星烁纳米科技有限公司 | Novel light guide plate and application thereof |
| CN105698047A (en) * | 2016-04-19 | 2016-06-22 | 吴冬梅 | Backlight module |
| CN206248879U (en) * | 2016-12-22 | 2017-06-13 | 鸿汉（厦门）科技有限公司 | A kind of backlight module and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627345A (en) * | 2020-06-09 | 2020-09-04 | 上海天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN111627345B (en) * | 2020-06-09 | 2022-05-03 | 上海天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN114002883A (en) * | 2021-11-26 | 2022-02-01 | 深圳康佳电子科技有限公司 | Quantum dot light guide plate and backlight display module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108398829B (en) | 2021-03-02 |
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