CN109445184A - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
- Publication number
- CN109445184A CN109445184A CN201811558280.2A CN201811558280A CN109445184A CN 109445184 A CN109445184 A CN 109445184A CN 201811558280 A CN201811558280 A CN 201811558280A CN 109445184 A CN109445184 A CN 109445184A
- Authority
- CN
- China
- Prior art keywords
- fluorescent powder
- diaphragm
- liquid crystal
- crystal display
- powder diaphragm
- 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.)
- Pending
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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
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of liquid crystal display.The liquid crystal display includes: backlight module and the liquid crystal display panel on the backlight module；The backlight module includes: light emitting source, the first fluorescent powder diaphragm on the light emitting source and the second fluorescent powder diaphragm set on the first fluorescent powder membrane on piece；The first fluorescent powder diaphragm and the second fluorescent powder diaphragm are used for diffusing light and the upper surface of the first fluorescent powder diaphragm and the second fluorescent powder diaphragm can shine with lower surface, the luminous efficiency and display effect of backlight module can be improved, luminous visual angle can be improved by the first fluorescent powder diaphragm and the second fluorescent powder diaphragm in this UV light, i.e. backlight module can save diffuser plate, mitigate the weight of backlight module, the cost for reducing mould group, improves the luminous efficiency of backlight module.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of liquid crystal displays.
Background technique
Thin film transistor (TFT) (Thin Film Transistor, TFT) is current liquid crystal display device (Liquid Crystal
Display, LCD) and active matrix drive type organic electroluminescence display device and method of manufacturing same (Active Matrix Organic Light-
Emitting Diode, AMOLED) in main driving element, the display performance of direct relation panel display apparatus.
Liquid crystal display on existing market is largely backlight liquid crystal display comprising liquid crystal display panel and back
Optical mode group (backlight module).The working principle of liquid crystal display panel is in thin-film transistor array base-plate (Thin
Film Transistor Array Substrate, TFT Array Substrate) and colored filter (Color
Filter, CF) liquid crystal molecule is poured between substrate, and apply pixel voltage and common voltage respectively on two plate bases, pass through
The direction of rotation of the electric field controls liquid crystal molecule formed between pixel voltage and common voltage transmits the light of backlight module
Picture is generated out.
Since liquid crystal display panel itself does not shine, need the light source provided by backlight module normally to show image, therefore,
Backlight module becomes one of the key component of liquid crystal display device.Backlight module is divided into side according to the difference of light source incidence position and enters
Formula backlight module with two kinds of down straight aphototropism mode set.Down straight aphototropism mode set is by backlight such as cathodouminescence fluorescent tube (Cold
Cathode Fluorescent Lamp, CCFL) or the setting of light emitting diode (Light Emitting Diode, LED) light source
At liquid crystal display panel rear, light forms area source after diffuser plate homogenizes and is supplied to liquid crystal display panel.
Down straight aphototropism mode set has many advantages, such as that cost performance is high, optical stability is good.Current backlight liquid crystal display
Generally use down straight aphototropism mode set, a kind of existing down straight aphototropism mode set is to add the light source side of lens using the LED of white light
Case, then arrange in pairs or groups upper diffuser plate and other optical diaphragms, to form the uniform backlight that shines, another down straight aphototropism mode set is adopted
With the scheme of blue-ray LED plus lens, arrange in pairs or groups diffuser plate and quantum dot (QD) diaphragm, there are also other optical diaphragms, form backlight
Source.But there is the problems such as mould group thickness thickness, QD diaphragm at high cost and mould group weight weight in both down straight aphototropism mode sets.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid crystal displays, and the luminous efficiency and display effect of backlight module can be improved
Fruit.
To achieve the above object, the present invention provides a kind of liquid crystal displays, comprising: backlight module and be set to the back
Liquid crystal display panel in optical mode group；
The backlight module includes: light emitting source, the first fluorescent powder diaphragm on the light emitting source and is set to described
Second fluorescent powder diaphragm of the first fluorescent powder membrane on piece；
The first fluorescent powder diaphragm and the second fluorescent powder diaphragm are used for diffusing light and the first fluorescent powder diaphragm and second
The upper surface of fluorescent powder diaphragm can shine with lower surface.
The peak luminous wavelength of the first fluorescent powder diaphragm is greater than the peak luminous wavelength of the second fluorescent powder diaphragm.
The light emitting source includes printed circuit board and multiple hairs in array distribution on the printed circuit board
Optical diode.
The light emitting diode is upside-down mounting blue light-emitting diode.
The distance between lower surface and the upper surface of light emitting diode of the first fluorescent powder diaphragm are less than 1mm and are greater than
0mm。
The distance between lower surface of the upper surface of the first fluorescent powder diaphragm and the second fluorescent powder diaphragm be greater than 1mm and
Less than 50mm.
The first fluorescent powder diaphragm and the second fluorescent powder diaphragm include the up-protective layer being oppositely arranged and lower protective layer,
Glue layer between the up-protective layer and lower protective layer and multiple fluorescent powder grains in the glue layer.
Fluorescent powder grain in the first fluorescent powder diaphragm is red fluorescence powder particles；In the second fluorescent powder diaphragm
Fluorescent powder grain be green fluorescence powder particles.
The material of the up-protective layer and lower protective layer is polyethylene terephthalate.
The upper surface of the second fluorescent powder diaphragm is attached at the lower surface of liquid crystal display panel；
The upper surface of the multiple light emitting diode is equipped with packaging plastic, and the lower surface of the first fluorescent powder diaphragm passes through
Packaging plastic is attached at the upper surface of multiple light emitting diodes.
Beneficial effects of the present invention: liquid crystal display of the invention include: backlight module and be set to the backlight module
On liquid crystal display panel；The backlight module include: light emitting source, the first fluorescent powder diaphragm on the light emitting source and
Set on the second fluorescent powder diaphragm of the first fluorescent powder membrane on piece；The first fluorescent powder diaphragm and the second fluorescent powder diaphragm are used
In diffusing light and the upper surface of the first fluorescent powder diaphragm and the second fluorescent powder diaphragm is with lower surface can shine, and works as light emitting source
The light of sending passes through the first fluorescent powder diaphragm, excites the fluorescent powder double-side in the first fluorescent powder diaphragm, a part of light
The second fluorescent powder diaphragm is reached, the fluorescent powder double-side in the second fluorescent powder diaphragm is excited, another part light, which reaches, to shine
Source is reflected onto the first fluorescent powder diaphragm again, excites the fluorescent powder double-side in the first fluorescent powder diaphragm, and second again
A part of beam projecting that fluorescent powder diaphragm issues to liquid crystal display panel, another part light reaches the first fluorescent powder diaphragm,
The fluorescent powder double-side in the first fluorescent powder diaphragm, i.e. pair of the first fluorescent powder diaphragm and the second fluorescent powder diaphragm are excited again
The luminous characteristic in face, can be improved the luminous efficiency and display effect of backlight module, this UV light passes through the first fluorescent powder diaphragm
Luminous visual angle can be improved with the second fluorescent powder diaphragm, i.e. backlight module can save diffuser plate, mitigate the weight of backlight module,
The cost for reducing mould group, improves the luminous efficiency of backlight module.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the light path schematic diagram of the backlight module of liquid crystal display of the invention；
Fig. 2 is the structural schematic diagram of liquid crystal display of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Please refer to Fig. 1 and Fig. 2, the present invention provides a kind of liquid crystal display, comprising: backlight module 10 and be set to the back
Liquid crystal display panel 20 in optical mode group 10；
The backlight module 10 include: light emitting source 11, the first fluorescent powder diaphragm 12 on the light emitting source 11 and
The second fluorescent powder diaphragm 13 on the first fluorescent powder diaphragm 12；
The first fluorescent powder diaphragm 12 and the second fluorescent powder diaphragm 13 are used for diffusing light and the first fluorescent powder diaphragm 12
It can shine with the upper surface of the second fluorescent powder diaphragm 13 with lower surface.
It should be noted that the first fluorescent powder diaphragm 12 and the second fluorescent powder diaphragm 13 of the invention for diffusing light and
The upper surface of first fluorescent powder diaphragm 12 and the second fluorescent powder diaphragm 13 can shine with lower surface, issue when light emitting source 11
Light passes through the first fluorescent powder diaphragm 12, excites the fluorescent powder double-side in the first fluorescent powder diaphragm 12, and a part of light arrives
Up to the second fluorescent powder diaphragm 13, the fluorescent powder double-side in the second fluorescent powder diaphragm 13 is excited, another part light reaches hair
Light source 11 is reflected onto the first fluorescent powder diaphragm 12 again, excites the fluorescent powder double-side in the first fluorescent powder diaphragm 12 again,
And a part of beam projecting that the second fluorescent powder diaphragm 13 issues to liquid crystal display panel 20, another part light reaches first
Fluorescent powder diaphragm 12 excites the fluorescent powder double-side in the first fluorescent powder diaphragm 12, i.e. 12 He of the first fluorescent powder diaphragm again
The luminous efficiency and display effect of backlight module can be improved, furthermore light in the characteristic of the double-side of second fluorescent powder diaphragm 13
Luminous visual angle can be improved by the first fluorescent powder diaphragm 12 and the second fluorescent powder diaphragm 13 in line, i.e. backlight module can save expansion
It falls apart, mitigates the weight of backlight module, reduce the cost of mould group, improve the luminous efficiency of backlight module.
Specifically, the peak luminous wavelength of the first fluorescent powder diaphragm 12 is greater than the glow peak of the second fluorescent powder diaphragm 13
It is worth wavelength.
Specifically, the light emitting source 11 include printed circuit board 111 and on the printed circuit board 111 be in battle array
Multiple light emitting diodes 112 of column distribution.
Further, the light emitting diode 112 is upside-down mounting blue light-emitting diode.
Specifically, the distance between the upper surface of the lower surface of the first fluorescent powder diaphragm 12 and light emitting diode 112
Less than 1mm and it is greater than 0mm, the first fluorescent powder diaphragm 12 can be made to obtain higher luminous efficiency.
Specifically, between the upper surface of the first fluorescent powder diaphragm 12 and the lower surface of the second fluorescent powder diaphragm 13 away from
From being greater than 1mm and being less than 50mm, backlight module can be made to obtain better display effect.
Specifically, the first fluorescent powder diaphragm 12 is red fluorescence powder diaphragm；The second fluorescent powder diaphragm 13 is green
Color fluorescent powder diaphragm, i.e. blue light-emitting diode issue blue light, and excitated red fluorescent powder diaphragm issues feux rouges, green emitting phosphor film
Piece issues green light, and last light mixing forms white light.
Specifically, the first fluorescent powder diaphragm 12 and the second fluorescent powder diaphragm 13 include the up-protective layer being oppositely arranged
It 121 and lower protective layer 122, the glue layer 123 between the up-protective layer 121 and lower protective layer 122 and is set to described
Multiple fluorescent powder grains 124 in glue layer 123.
Further, the fluorescent powder grain 124 in the first fluorescent powder diaphragm 12 is red fluorescence powder particles；Described
Fluorescent powder grain 124 in two fluorescent powder diaphragms 13 is green fluorescence powder particles.
Specifically, the material of the up-protective layer 121 and lower protective layer 122 is polyethylene terephthalate
(PET)。
Specifically, the specific production method of the first fluorescent powder diaphragm 12 and the second fluorescent powder diaphragm 13 are as follows: by one
PET film piece is placed on platform as lower protective layer 122, even spread fluorescent powder grain 124 and glue on lower protective layer 122
Mixed solution (mode for dispensing glue can be passed through), use idler wheel to be rolled over down using an other PET film piece as up-protective layer 121
Above protective layer 122, two PET film pieces is made to fit together, while the mixed solution of fluorescent powder grain 124 and glue is packed
Between up-protective layer 121 and lower protective layer 122.
Specifically, referring to Fig. 2, the upper surface of the second fluorescent powder diaphragm 13 is attached under liquid crystal display panel 20
Surface.
Specifically, the upper surface of the multiple light emitting diode 112 is equipped with packaging plastic 113, first fluorescent powder membrane
The lower surface of piece 12 is attached at the upper surface of multiple light emitting diodes 112 by packaging plastic 113.
In conclusion liquid crystal display of the invention includes: backlight module and the liquid crystal on the backlight module
Display panel；The backlight module includes: light emitting source, the first fluorescent powder diaphragm on the light emitting source and is set to described
Second fluorescent powder diaphragm of the first fluorescent powder membrane on piece；The first fluorescent powder diaphragm and the second fluorescent powder diaphragm are for spreading light
The line and upper surface of the first fluorescent powder diaphragm and the second fluorescent powder diaphragm can shine with lower surface, when the light that light emitting source issues
Line passes through the first fluorescent powder diaphragm, excites the fluorescent powder double-side in the first fluorescent powder diaphragm, and a part of light reaches second
Fluorescent powder diaphragm excites the fluorescent powder double-side in the second fluorescent powder diaphragm, and it is again anti-that another part light reaches light emitting source
It is incident upon the first fluorescent powder diaphragm, excites the fluorescent powder double-side in the first fluorescent powder diaphragm, and the second fluorescent powder membrane again
A part of beam projecting that piece issues to liquid crystal display panel, another part light reaches the first fluorescent powder diaphragm, excites again
Fluorescent powder double-side in first fluorescent powder diaphragm, the i.e. double-side of the first fluorescent powder diaphragm and the second fluorescent powder diaphragm
Characteristic, can be improved the luminous efficiency and display effect of backlight module, this UV light is glimmering by the first fluorescent powder diaphragm and second
Luminous visual angle can be improved in light powder diaphragm, i.e. backlight module can save diffuser plate, mitigates the weight of backlight module, reduces mould group
Cost, improve the luminous efficiency of backlight module.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of liquid crystal display characterized by comprising backlight module (10) and be set to the backlight module (10) on
Liquid crystal display panel (20)；
The backlight module (10) includes: light emitting source (11), the first fluorescent powder diaphragm (12) on the light emitting source (11)
And it is set to the second fluorescent powder diaphragm (13) on the first fluorescent powder diaphragm (12)；
The first fluorescent powder diaphragm (12) and the second fluorescent powder diaphragm (13) are used for diffusing light and the first fluorescent powder diaphragm
(12) it can shine with the upper surface of the second fluorescent powder diaphragm (13) with lower surface.
2. liquid crystal display as described in claim 1, which is characterized in that the luminescence peak of the first fluorescent powder diaphragm (12)
Wavelength is greater than the peak luminous wavelength of the second fluorescent powder diaphragm (13).
3. liquid crystal display as described in claim 1, which is characterized in that the light emitting source (11) includes printed circuit board
(111) and be set to the printed circuit board (111) on multiple light emitting diodes (112) in array distribution.
4. liquid crystal display as claimed in claim 3, which is characterized in that the light emitting diode (112) is upside-down mounting blue light hair
Optical diode.
5. liquid crystal display as claimed in claim 3, which is characterized in that the lower surface of the first fluorescent powder diaphragm (12) with
The distance between upper surface of light emitting diode (112) is less than 1mm and is greater than 0mm.
6. liquid crystal display as described in claim 1, which is characterized in that the upper surface of the first fluorescent powder diaphragm (12) with
The distance between lower surface of second fluorescent powder diaphragm (13) is greater than 1mm and is less than 50mm.
7. liquid crystal display as described in claim 1, which is characterized in that the first fluorescent powder diaphragm (12) and the second fluorescence
Powder diaphragm (13) includes the up-protective layer (121) being oppositely arranged and lower protective layer (122), is set to the up-protective layer (121)
Glue layer (123) between lower protective layer (122) and multiple fluorescent powder grains in the glue layer (123)
(124)。
8. liquid crystal display as claimed in claim 7, which is characterized in that the fluorescent powder in the first fluorescent powder diaphragm (12)
Particle (124) is red fluorescence powder particles；Fluorescent powder grain (124) in the second fluorescent powder diaphragm (13) is green fluorescence
Powder particles.
9. liquid crystal display as claimed in claim 7, which is characterized in that the up-protective layer (121) and lower protective layer (122)
Material be polyethylene terephthalate.
10. liquid crystal display as described in claim 1, which is characterized in that the upper surface of the second fluorescent powder diaphragm (13)
It is attached at the lower surface of liquid crystal display panel (20)；
The upper surface of the multiple light emitting diode (112) is equipped with packaging plastic (113), the first fluorescent powder diaphragm (12)
Lower surface is attached at the upper surface of multiple light emitting diodes (112) by packaging plastic (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558280.2A CN109445184A (en) | 2018-12-19 | 2018-12-19 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558280.2A CN109445184A (en) | 2018-12-19 | 2018-12-19 | Liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109445184A true CN109445184A (en) | 2019-03-08 |
Family
ID=65560404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558280.2A Pending CN109445184A (en) | 2018-12-19 | 2018-12-19 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109445184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021047023A1 (en) * | 2019-09-12 | 2021-03-18 | 武汉华星光电技术有限公司 | Backlight module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527993A (en) * | 2013-11-08 | 2014-01-22 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display television |
| CN104006354A (en) * | 2014-06-19 | 2014-08-27 | 宁波激智科技股份有限公司 | Fluorescent film applied to backlight module and preparation method thereof |
| CN104914622A (en) * | 2015-06-10 | 2015-09-16 | 青岛海信电器股份有限公司 | Quantum dot light generating device and backlight module |
| CN107329319A (en) * | 2017-07-21 | 2017-11-07 | 苏州星烁纳米科技有限公司 | Quantum dot diaphragm and preparation method thereof, backlight module |
-
2018
- 2018-12-19 CN CN201811558280.2A patent/CN109445184A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527993A (en) * | 2013-11-08 | 2014-01-22 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display television |
| CN104006354A (en) * | 2014-06-19 | 2014-08-27 | 宁波激智科技股份有限公司 | Fluorescent film applied to backlight module and preparation method thereof |
| CN104914622A (en) * | 2015-06-10 | 2015-09-16 | 青岛海信电器股份有限公司 | Quantum dot light generating device and backlight module |
| CN107329319A (en) * | 2017-07-21 | 2017-11-07 | 苏州星烁纳米科技有限公司 | Quantum dot diaphragm and preparation method thereof, backlight module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021047023A1 (en) * | 2019-09-12 | 2021-03-18 | 武汉华星光电技术有限公司 | Backlight module |
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