CN108319073A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
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- CN108319073A CN108319073A CN201810016454.6A CN201810016454A CN108319073A CN 108319073 A CN108319073 A CN 108319073A CN 201810016454 A CN201810016454 A CN 201810016454A CN 108319073 A CN108319073 A CN 108319073A
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- backlight module
- quanta point
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- crystal display
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- 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
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- 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)
- Led Device Packages (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of backlight module of the application offer and display device, wherein backlight module includes LED, which includes monochromatic pumping chip, the first color fluorescence powder material or quanta point material packaging body；Monochromatic diaphragm encapsulates the second color fluorescence powder material or quanta point material in the monochrome diaphragm；The first color fluorescence powder material or quanta point material packaging body are arranged on the light direction of the monochromatic pumping chip；The monochrome diaphragm is arranged on the propagation path of the light in the first color fluorescence powder material or the outgoing of quanta point material packaging body, so that the light that the monochromatic pumping chip in the LED is sent out is converted to white light after the first color fluorescence powder material or quanta point material packaging body, the second color fluorescence powder material or quanta point material successively.The backlight module of the present invention can be effectively improved red fluorescence powder material or quanta point material double absorption and transition problem to green light, to improve the light extraction efficiency of entire backlight module.
Description
Technical field
The present invention relates to high colour gamut display field, more particularly to a kind of backlight module and display device.
Background technology
Colour gamut refers to certain number of colors that can express of display equipment, at present most common LCD TV on the market,
Generally all less, display colour gamut cannot provide very well the gamut range that they can be showed generally in 68% ~ 72%NTSC
Color effect.With the raising that consumer requires image quality, high colour gamut backlight technology becomes the emphasis studied in the industry.
The high colour gamut backing structure of mainstream is as shown in Figure 1a in industry at present, the excitation using blue chip 130 as LED
Red fluorescence powder material 111 and green emitting phosphor material 112 are encapsulated in the surface of blue chip 130 by light source after evenly mixing.
Red green quanta point material is encapsulated in same diaphragm 110 by 3M companies in the industry, two layers of water oxygen resistance setting up and down
Diaphragm 120, backlight use blue chip 130, and concrete structure is as shown in Figure 1 b.
In the prior art, red green quanta point material mixes above two, due to red fluorescence powder material or quantum
Point material absorption spectrum is wider, after green emitting phosphor material or quanta point material absorption blue light excitation generation green light, a part
Green light can be converted by red fluorescence powder material or quanta point material double absorption, and certain efficiency can all be brought by absorbing conversion every time
Loss, the problem of to cause final light extraction efficiency to reduce.
Application No. is " 201610103125.6 ", a kind of entitled " double single-color layers in Chinese invention patent application specification
Structure quantum point fluorescent film and manufacturing method " discloses a kind of by red green quanta point material hierarchical design preparation, double single-color layers
The quantum dot diaphragm of structure, as illustrated in figure 1 c, include two layers pressing PET base material 1, the opposite inner surface of two layers of base material be equipped with by
Red quantum made of green quantum dot theca interna 2 and red quantum dot composite colloid made of green quantum dot composite colloid
Point theca interna 3.But red green two amounts point material is encapsulated in as area source in optical diaphragm in the program, due to quantum
Point material is stimulated, and to be all directions have in luminous direction, and with other optical film combinations in use, light is being carried on the back
It is multiple circulating propagation back and forth up and down in optical mode group, is shone to which green light also has greatly to return in circulating propagation
It penetrates in the red quantum dot material as area source, and then the program can not avoid red quantum dot material to following well
Ring propagates the sink effect of green light in light path.
Therefore, how to effectively improve in backlight module, red fluorescence powder material or quanta point material are to green emitting phosphor
Material or quanta point material be stimulated generation green light double absorption problem, become the current field to improve light extraction efficiency
The emphasis of technical staff's research.
Invention content
For the above problem in the prior art, a kind of backlight module of the application offer and display device, to solve red
Phosphor material powder or quanta point material are to the double absorption problem of green light, to improve the light extraction efficiency of entire backlight module.
In a first aspect, the application provides a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；It is described
Liquid crystal display panel is for showing picture；It is bright to provide backlight when showing picture for the liquid crystal display panel for the backlight module
Degree；Wherein, the backlight module, including：LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green quantum dot diaphragm, is packaged with green quanta point material；The green quantum dot diaphragm, which is arranged, to be emitted in the LED
On the propagation path of light；And brightening film sheet is not set.
Second aspect, the application provide a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；It is described
Liquid crystal display panel is for showing picture；It is bright to provide backlight when showing picture for the liquid crystal display panel for the backlight module
Degree；Wherein, the backlight module, including：LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green quantum dot diaphragm, is packaged with green quanta point material；The green quantum dot diaphragm, which is arranged, to be emitted in the LED
On the propagation path of light.
The third aspect, the application provide a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；It is described
Liquid crystal display panel is for showing picture；It is bright to provide backlight when showing picture for the liquid crystal display panel for the backlight module
Degree；Wherein, the backlight module, including：LED is packaged with blue excitation chip and fluorescent powder；Green quantum dot diaphragm, encapsulation
There is green quanta point material；The green quantum dot diaphragm is arranged on the propagation path of the LED light being emitted.
Fourth aspect, the application provide a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；It is described
Liquid crystal display panel is for showing picture；It is bright to provide backlight when showing picture for the liquid crystal display panel for the backlight module
Degree；Wherein, the backlight module, including：LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green fluorescence diaphragm, is packaged with green emitting phosphor material；The green fluorescence diaphragm is arranged in the LED light being emitted
On propagation path.
5th aspect, the application provide a kind of backlight module, including：LED is packaged with blue excitation chip and KSF fluorinations
Matter fluorescent powder；Green quantum dot diaphragm, is packaged with green quanta point material；The green quantum dot diaphragm is arranged in the LED
On the propagation path of the light of outgoing.
6th aspect, the application provide a kind of backlight module, including：LED, the LED include monochromatic pumping chip；
First color fluorescence powder material or quanta point material packaging body；Monochromatic diaphragm, it is described monochrome diaphragm in encapsulate the second color
Phosphor material powder or quanta point material；The first color fluorescence powder material or quanta point material packaging body are arranged in the monochrome
On the light direction for encouraging chip；The monochrome diaphragm is arranged on the propagation path of the LED light being emitted.
Optionally, the first color fluorescence powder material or quanta point material packaging body are sealed around the monochromatic pumping chip
In the LED.
Optionally, further include quantum pipe, the first color fluorescence powder material or quanta point material packaging body are encapsulated in institute
It states in quantum pipe, the quantum pipe is arranged on the light direction of the LED.
Optionally, the first color fluorescence powder material or quanta point material packaging body are red fluorescence powder material or quantum
Point material package body；The second color fluorescence powder material or quanta point material are green emitting phosphor material or quanta point material.
7th aspect, the application provide a kind of display device, including preceding claim any one of them backlight module,
It further include the display panel being arranged above the backlight module..
Compared with prior art, the advantageous effects for the technical solution that the application is proposed include：
Red fluorescence powder material or quanta point material packaging body are surrounded blue chip by the present invention, and encapsulation is prepared into a little in the led
In light source, or the quantum pipe that is encapsulated on LED light directions, it is prepared into linear light source；Green emitting phosphor material or quantum dot
Material package is prepared into area source in monochromatic diaphragm；And green emitting phosphor material or quanta point material setting are sent out in blue chip
On the propagation path for the feux rouges that the blue light and red fluorescence powder material or quanta point material packaging body gone out is sent out, and red fluorescence
The cycle of powder material or quanta point material packaging body, the green light hardly sent out in green emitting phosphor material or quanta point material passes
Broadcast on path, thus by green emitting phosphor material or quanta point material be stimulated generation green light cycle light path propagation in,
The green light exposure of red fluorescence powder material or quanta point material will be greatly reduced, so as to improve common quantum dot diaphragm
And in backlight module, red fluorescence powder material or quanta point material improve backlight mould to the absorption transfer problem of green light
The light extraction efficiency of group.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example is simultaneously used to explain the principle of the present invention together with specification.
It in order to illustrate the embodiments of the present invention more clearly or scheme in the prior art, below will be to embodiment or existing skill
Attached drawing needed in art description does one and simply introduces, it should be apparent that, the accompanying drawings in the following description is of the invention
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 a are mainstream backing structure schematic diagram in the prior art；
Fig. 1 b are another backing structure schematic diagram in the prior art；
Fig. 1 c are the quantum dot diaphragm structure schematic diagram of double single-color layer structures in the prior art；
The LED concrete structure schematic diagrams that Fig. 2 a are provided by embodiment one；
The monochromatic diaphragm concrete structure schematic diagram that Fig. 2 b are provided by embodiment one；
The backlight module schematic diagram that Fig. 2 c are provided by embodiment one；
Fig. 2 d are the backlight module spectral schematic that encapsulation KSF is fluorinated matter fluorescent powder in LED；
Fig. 2 e, 2f are the kinds of schemes backlight module light efficiency contrast schematic diagram that fluorescent powder is encapsulated in LED；
Another backlight module schematic diagram that Fig. 3 a are provided by embodiment two；
Another backlight module schematic diagram that Fig. 4 a are provided by embodiment three；
A kind of display device schematic diagram that Fig. 5 a are provided by example IV；
Another display device schematic diagram that Fig. 5 b are provided by example IV；
Another display device schematic diagram that Fig. 5 c are provided by example IV.
Reference numeral：
1-PET base material 2- green quantum dot theca interna 3- red quantum dot theca internas
110- diaphragm 111- red fluorescence powder material 112- green emitting phosphor materials
120- water oxygen Obstruct membrane 130- blue chips
210-LED 211-LED package support 212- monochromatic pumping chips
213- the first color fluorescence powder materials or quanta point material packaging body 214- quantum pipes
220- monochrome diaphragm 221- the second color fluorescence powder materials or quanta point material
230- diffuser plate 231- diffuser plates lower surface 232- diffuser plates upper surface
240- light guide plate 241- incidence surface 242- light-emitting surfaces
250- display panels.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the instructions side such as "upper", "lower", "inner", "outside", "horizontal", "vertical"
The term of position or position relationship is to be based on the orientation or positional relationship shown in the drawings, and description merely for convenience is of the invention and simplifies
Description, is not indicated or implied the indicated device or element must have a particular orientation, constructed with specific orientation
And operation, therefore be not considered as limiting the invention.Term " first aspect ", " second aspect " etc. are only used for description mesh
, be not understood to indicate or imply that relative importance either implicitly indicates or imply include it is one or more should
Technical characteristic.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Embodiment one
Embodiments herein one provides a kind of backlight module, which includes LED and monochromatic diaphragm.Wherein, Fig. 2 a are
LED concrete structure schematic diagrams, including the monochromatic pumping chip 212 that is arranged in LED package supports 211, and surround monochromatic pumping
Chip 212 encapsulates the first color fluorescence powder material or quanta point material packaging body 213 in the led.Fig. 2 b are monochromatic diaphragm
Concrete structure schematic diagram, the monochrome diaphragm are packaged with the second color fluorescence powder material or quanta point material 221.
Further, Fig. 2 c are backlight module schematic diagram provided in this embodiment, and the setting of monochromatic diaphragm 220 goes out in LED210
On the propagation path for the light penetrated.
Optionally, the backlight module of the present embodiment can also include diffuser plate 230, the lower surface of LED210 and diffuser plate
231 are oppositely arranged, and monochromatic diaphragm 220 is opposite with the upper surface 232 of diffuser plate.
Specifically, the color for the light that monochromatic pumping chip 212 is sent out is different from the first color fluorescence powder material or quantum
Point material package body 213 is stimulated the color of the light sent out and the second color fluorescence powder material or quanta point material 221 are stimulated
The color of the light sent out.
Preferably, as shown in Figure 2 d, monochromatic pumping chip 212 uses blue LED chip, i.e. monochromatic pumping core
Piece can emit blue light, peak wavelength ranging from 420nm ~ 480nm after being powered.Meanwhile the first color fluorescence powder material packaging body
213 be KSF fluoride red fluorescence powder materials, emits feux rouges after being excited by blue light, peak wavelength ranging from 600nm ~
660nm；Second color quanta point material 221 is green quanta point material, and green light, peak wavelength model are emitted after being excited by blue light
It encloses for 500nm ~ 560nm, so that the blue light sent out by blue chip is passing through KSF fluoride red fluorescence powder material packages
Body 213, green quanta point material 221 conversion after form white light.As shown in Fig. 2 e-f, more former scheme in the present embodiment（B
Chip LED+ yellow quantum film=white light）Light efficiency promotes 10% or more.Since the more former scheme of light efficiency can be made to increase by 10% or more, at this
In embodiment, brightness enhancement film can be not provided in the used optical module of backlight module, you can meet in above-mentioned liquid crystal display die set
Brightness design needs.
Optionally, the first color fluorescence powder material or quanta point material packaging body 213 can be nitride phosphor or its
His quanta point material, although for more above-mentioned preferred embodiment, light efficiency decreases, as shown in Fig. 2 e-f.
Fig. 2 d are the backlight module spectral schematic that encapsulation KSF is fluorinated matter fluorescent powder in LED, wherein solid line is emitted for LED
Spectrum, including feux rouges that the blue wave band that sends out of monochromatic pumping chip and KSF fluorination matter fluorescent powders are generated by blue light excitation
Wave band, dotted line are the green light band that monochromatic diaphragm is generated by blue light excitation, and the light mixing of three kinds of wave bands of RGB generates white light.Figure
2e is the backlight module spectral schematic that nitride phosphor is encapsulated in LED, wherein solid line is the spectrum of LED outgoing, including
The red spectral band that the blue wave band and nitride phosphor that monochromatic pumping chip is sent out are generated by blue light excitation, dotted line are monochrome
The light mixing of the green light band that diaphragm is generated by blue light excitation, three kinds of wave bands of RGB generates white light.
Compared with prior art, red fluorescence powder material or quanta point material packaging body are encapsulated in point light source by the present embodiment
In LED, allows the blue light that the red light portion of backlight is first generated by blue chip energization to excite, be emitted from LED, feux rouges is by encapsulation
When having the monochromatic diaphragm of green emitting phosphor material or quanta point material, it will not be converted, be directed through by absorbing；Further, since red
Color phosphor material powder or quanta point material are encapsulated in point light source, compared with the prior art by red fluorescence powder material or quantum dot
Material is encapsulated in as area source in optical diaphragm, and area greatly reduces, and hardly in green emitting phosphor material or quantum dot
On the circulating propagation path for the green light that material is sent out, so being stimulated the green of generation by green emitting phosphor material or quanta point material
Light will greatly reduce the green light exposure of red fluorescence powder material or quanta point material in the propagation of cycle light path, from
And improve in common quantum dot diaphragm and backlight module, red fluorescence powder material or quanta point material convert the absorption of green light
Problem, and then improve the light extraction efficiency of backlight module.
Embodiment two
The present embodiment provides a kind of backlight module, Fig. 3 a are the structural schematic diagram of backlight module in the present embodiment, the present embodiment with
Embodiment one the difference is that, the present embodiment is side entrance back module.As shown in Figure 3a, in the present embodiment, backlight
Module further includes light guide plate 240, and light guide plate includes adjacent and vertical incidence surface 241 and light-emitting surface 242, is packaged with the first color
The LED210 of phosphor material powder or quanta point material packaging body is oppositely arranged with light guide plate incidence surface 241, is packaged with the second color
The monochromatic diaphragm 220 of phosphor material powder or quanta point material is arranged on the propagation path of the LED210 light being emitted, and with leaded light
Plate light-emitting surface 242 is opposite.So that the light being emitted through LED210 is incident on through light guide plate incidence surface 241 in light guide plate, then by leaded light
Plate light-emitting surface 242 is emitted, and white light is formed after the second color fluorescence powder material or quanta point material.
Preferably, in the present embodiment, the monochromatic pumping chip of LED be blue chip, the first color fluorescence powder material or
Quanta point material packaging body is red fluorescence powder material or quanta point material packaging body.Second color fluorescence powder material or quantum dot
Material is green emitting phosphor material or quanta point material.
Compared with prior art, red fluorescence powder material or quanta point material packaging body are arranged in point light source the present embodiment
In LED, allows the blue light that the red light portion of backlight is first generated by blue chip energization to excite, be emitted from LED, feux rouges is by encapsulation
When having the monochromatic diaphragm of green emitting phosphor material or quanta point material, it will not be converted, be directed through by absorbing；In addition, the encapsulation
There is the LED of red fluorescence powder material or quanta point material to be arranged in the side of light guide plate, not on the circulating propagation path of green light,
So monochromatic diaphragm Green phosphor material powder or quanta point material are excited the green light generated in upper and lower circulating propagation by blue light,
Hardly be radiated on red fluorescence powder material or quanta point material, to almost avoid red fluorescence powder material or
Quanta point material converts the double absorption of green light, and then improves the light extraction efficiency of entire backlight module.
Embodiment three
Fig. 4 a are the structural schematic diagram of the another embodiment of backlight module of the present invention, compared with embodiment two, backlight in the present embodiment
Module further includes quantum pipe 214, and the first color fluorescence powder material or quanta point material packaging body 213 are encapsulated in quantum pipe 214,
Quantum pipe 214 is arranged on the light direction of LED210, and opposite with the incidence surface of light guide plate 240 241, is packaged with the second color
The monochromatic diaphragm 220 of phosphor material powder or quanta point material is arranged on the direction of propagation of the LED210 light being emitted, and with leaded light
The light-emitting surface 242 of plate 240 is opposite.
Preferably, in the present embodiment, the monochromatic pumping chip of LED be blue chip, the first color fluorescence powder material or
Quanta point material packaging body is red fluorescence powder material or quanta point material packaging body.Second color fluorescence powder material or quantum dot
Material is green emitting phosphor material or quanta point material.
Example IV
The present embodiment provides a kind of liquid crystal display device, please refer to shown in Fig. 5 a, 5b and 5c, which includes above-mentioned
The backlight module that any embodiment provides further includes the display panel 250 being arranged above the backlight module for showing picture.
In display device provided in this embodiment, other components in addition to backlight module provided by the invention can be used existing
There is technology, the present invention is not caused to limit；Wherein the concrete structure of backlight module and function are identical as previous embodiment, herein
It repeats no more.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution that summarizes of the present invention, rather than to its into
Row limitation；Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, the present invention that it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution.
Claims (10)
1. a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；The liquid crystal display panel is for showing picture
Face；The backlight module provides backlight illumination when showing picture for the liquid crystal display panel；It is characterized in that, wherein, it is described
Backlight module, including：
LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green quantum dot diaphragm, is packaged with green quanta point material；
The green quantum dot diaphragm is arranged on the propagation path of the LED light being emitted；
And other optical modules, but brightening film sheet is not set.
2. a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；The liquid crystal display panel is for showing picture
Face；The backlight module provides backlight illumination when showing picture for the liquid crystal display panel；It is characterized in that, wherein, it is described
Backlight module, including：
LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green quantum dot diaphragm, is packaged with green quanta point material；
The green quantum dot diaphragm is arranged on the propagation path of the LED light being emitted.
3. a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；The liquid crystal display panel is for showing picture
Face；The backlight module provides backlight illumination when showing picture for the liquid crystal display panel；It is characterized in that, wherein, it is described
Backlight module, including：
LED is packaged with blue excitation chip and fluorescent powder；
Green quantum dot diaphragm, is packaged with green quanta point material；
The green quantum dot diaphragm is arranged on the propagation path of the LED light being emitted.
4. a kind of liquid crystal display die set, including：Liquid crystal display panel and backlight module；The liquid crystal display panel is for showing picture
Face；The backlight module provides backlight illumination when showing picture for the liquid crystal display panel；It is characterized in that, wherein, it is described
Backlight module, including：
LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green fluorescence diaphragm, is packaged with green emitting phosphor material；
The green fluorescence diaphragm is arranged on the propagation path of the LED light being emitted.
5. a kind of backlight module, which is characterized in that including：
LED is packaged with blue excitation chip and KSF fluorination matter fluorescent powders；
Green quantum dot diaphragm, is packaged with green quanta point material；
The green quantum dot diaphragm is arranged on the propagation path of the LED light being emitted.
6. a kind of backlight module, which is characterized in that including：
LED, the LED include monochromatic pumping chip；
First color fluorescence powder material or quanta point material packaging body；
Monochromatic diaphragm, it is described monochrome diaphragm in encapsulate the second color fluorescence powder material or quanta point material；
The light direction in the monochromatic pumping chip is arranged in the first color fluorescence powder material or quanta point material packaging body
On；
The monochrome diaphragm is arranged on the propagation path of the LED light being emitted.
7. backlight module according to claim 1, which is characterized in that the first color fluorescence powder material or quantum dot material
Expect packaging body around the monochromatic pumping chip package in the LED.
8. backlight module according to claim 1, which is characterized in that further include quantum pipe, the first color fluorescence powder
Material or quanta point material packaging body are encapsulated in the quantum pipe, and the quantum pipe is arranged on the light direction of the LED.
9. backlight module according to claim 1, which is characterized in that the first color fluorescence powder material or quantum dot material
Expect that packaging body is red fluorescence powder material or quanta point material packaging body；The second color fluorescence powder material or quanta point material
For green emitting phosphor material or quanta point material.
10. a kind of display device, which is characterized in that further include setting including claim 6-9 any one of them backlight modules
Display panel above the backlight module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567566.6A CN107390427A (en) | 2017-07-12 | 2017-07-12 | A kind of backlight module and display device |
| CN2017105675666 | 2017-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108319073A true CN108319073A (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567566.6A Pending CN107390427A (en) | 2017-07-12 | 2017-07-12 | A kind of backlight module and display device |
| CN201810016454.6A Withdrawn CN108319073A (en) | 2017-07-12 | 2018-01-08 | A kind of backlight module and display device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710567566.6A Pending CN107390427A (en) | 2017-07-12 | 2017-07-12 | A kind of backlight module and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114578613A (en) * | 2020-11-30 | 2022-06-03 | 优美特创新材料股份有限公司 | Backlight module containing fluorescent powder and quantum dots |
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| CN108549175A (en) * | 2018-04-13 | 2018-09-18 | 青岛海信电器股份有限公司 | A kind of quantum dot light emitting device, quantum dot backlight module, liquid crystal display device |
| CN110389470A (en) * | 2018-04-19 | 2019-10-29 | 鸿富锦精密工业（深圳）有限公司 | Backing structure and display device |
| TWI716151B (en) | 2018-10-22 | 2021-01-11 | 優美特創新材料股份有限公司 | Backlight module with composite color-conversion optical material |
| CN109739053A (en) * | 2019-02-28 | 2019-05-10 | 青岛海信电器股份有限公司 | A kind of backlight module and display device |
| CN112198720A (en) * | 2020-10-28 | 2021-01-08 | 武汉华星光电技术有限公司 | Display device |
| CN112908976A (en) * | 2021-03-03 | 2021-06-04 | 惠州视维新技术有限公司 | Backlight framework manufacturing method and display device manufacturing method |
| CN114284399B (en) * | 2021-11-24 | 2023-11-10 | 利亚德光电股份有限公司 | Processing method of LED display module |
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| CN107390427A (en) | 2017-11-24 |
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