CN107167964A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN107167964A CN107167964A CN201710493067.7A CN201710493067A CN107167964A CN 107167964 A CN107167964 A CN 107167964A CN 201710493067 A CN201710493067 A CN 201710493067A CN 107167964 A CN107167964 A CN 107167964A
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- color
- backlight module
- quanta point
- quantum pipe
- point material
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Classifications
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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
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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 application provides a kind of backlight module and display device, wherein, backlight module includes light guide plate, and light guide plate includes incidence surface and the exiting surface adjacent and vertical with the incidence surface；LED, the LED include monochromatic pumping chip, and the first color fluorescence powder material set around the monochromatic pumping chip；Quantum pipe, the transparent tubulose of quantum pipe, including the second color quanta point material and transparent colloid being sealed in body；The quantum pipe is arranged on the light direction of the LED, and relative with the incidence surface.By setting the first color fluorescence powder material in monochromatic pumping chip circumference, a part of blue light is first absorbed by the first color fluorescence powder material and inspire the first color of light, so as to reduce the blue light illumination amount by transparent colloid in quantum pipe, and, a kind of quanta point material is only encapsulated in quantum pipe, the consumption of quanta point material is reduced, so as to reduce the caloric value in quantum pipe, and then the service life of quantum pipe is extended.
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 the number of colors that certain display device can be expressed, at present most common LCD TV on the market,
The gamut range that they can be showed is general all less, and it shows that colour gamut is general in 68% ~ 72%NTSC, thus can not provide very well
Color effect.With the raising that consumer is required image quality, high colour gamut backlight technology turns into the emphasis studied in the industry.
In current industry the high colour gamut backlighting scheme of main flow as shown in Figure 1a, by red quantum dot material and green quantum dot
Material is mixed into after transparent colloid, uniform mixing, is then encapsulated in the quantum pipe 120 of LED110 light directions, quantum pipe 120 with
Light guide plate 130 is oppositely arranged.Wherein, the concrete structure schematic diagram of quantum pipe 120 as shown in Figure 1 b, including is evenly mixed in transparent adhesive tape
Red quantum dot material 121 and green quanta point material 122 in body 123；LED110 concrete structure schematic diagrams as illustrated in figure 1 c,
Including package support 111, blue chip 112 and transparent encapsulating body 113.
Blue chip 112 in LED110, can launch blue light after energization, so that the meeting of transparent colloid 123 in quantum pipe 120
Receiving red quantum dot material 121 needs the blue light absorbed, green quanta point material 122 to need the blue light of absorption and need straight
The blue light illumination of transmission is connect, because the transparent colloid 123 in quantum pipe is generally epoxy resin Polymer material, by a large amount of indigo plants
Aging occurs after irradiating for a long time in light, and then have impact on the service life of quantum pipe；Moreover, red quantum dot material in quantum pipe
Material 121, green quanta point material 122 also have amount of heat when absorption blue light changes into feux rouges and green glow and produced, due to amount
Sub- pipe is general in backlight module, and without heat abstractor, so can cause a large amount of accumulations of heat in quantum pipe, temperature is too high, and then
Also the service life of quantum pipe can be influenceed.
Therefore, how to solve in quantum pipe backlight module, the transparent colloid in quantum pipe by backlight blue light illumination amount it is big,
Red green quanta point material absorption blue light is converted into feux rouges and green glow produces amount of heat in quantum pipe jointly, is measured caused by
The problem of sub- pipe service life is short, the emphasis as current art personnel research.
The content of the invention
To improve the problem of quantum pipe service life is short in the prior art, the application provides a kind of backlight module and display is filled
Put.
In a first aspect, the application provides a kind of backlight module, including：
Light guide plate, the light guide plate includes incidence surface and the exiting surface adjacent and vertical with the incidence surface；
LED, the LED include monochromatic pumping chip, and the first color fluorescence powder material set around the monochromatic pumping chip
Material；
Quantum pipe, the transparent tubulose of quantum pipe, including the second color quanta point material and transparent adhesive tape being sealed in body
Body；
The quantum pipe is arranged on the light direction of the LED, and relative with the incidence surface.
Specifically, the monochromatic pumping chip is blue chip.
Alternatively, the first color fluorescence powder material is red fluorescence powder material, and the second color quanta point material is green
Color quanta point material.
Alternatively, the first color fluorescence powder material is green emitting phosphor material, and the second color quanta point material is red
Color quanta point material.
Alternatively, the transparent colloid is silica gel, epoxy resin or silicones.
Further, the transparent colloid is uniformly mixed with the second color quanta point material.
Second aspect, the application provides a kind of backlight module, including：
Light guide plate, the light guide plate includes incidence surface and the exiting surface adjacent and vertical with the incidence surface；
LED, the LED include blue chip and can launch the chip of the first color of light；
Quantum pipe, the transparent tubulose of quantum pipe, including the second color quanta point material and transparent adhesive tape being sealed in body
Body；
The quantum pipe is arranged on the light direction of the LED, and relative with the incidence surface.
Alternatively, the chip that can launch the first color of light is red light chips, and the second color quanta point material is
Green quanta point material.
Alternatively, the chip that can launch the first color of light is green glow chip, and the second color quanta point material is
Red quantum dot material.
Alternatively, the transparent colloid is silica gel, epoxy resin or silicones.
Further, the transparent colloid is uniformly mixed with the second color quanta point material.
The third aspect, the application provides a kind of display device, including the backlight mould that first aspect or second aspect are provided
Group, in addition to it is arranged on the display panel above the backlight module.
Compared with prior art, a kind of backlight module for providing of the present invention and display device, by by the second color quantum
Point material package prepares monochromatizing quantum pipe, LED uses blue chip, and sets first around blue chip in quantum pipe
Color fluorescence powder material, makes blue light first pass through the first color fluorescence powder material, a part of blue light is by the first color fluorescence powder material
Absorption inspires the first color of light；Or LED is using blue chip and can launch the chip of the first color of light, it is directly produced
Raw first color of light, so as to reduce the blue light illumination amount by transparent colloid in quantum pipe；Moreover, only encapsulation one in quantum pipe
Quanta point material is planted, so as to reduce the caloric value of quanta point material in quantum pipe, and then the service life of quantum pipe is extended.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the present invention
Example simultaneously is used to explain principle of the invention together with specification.
In order to illustrate the embodiments of the present invention more clearly or scheme of the prior art, below will be to embodiment or existing skill
The accompanying drawing used required in art description does one and simply introduced, it should be apparent that, drawings in the following description are of the invention
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 a are backlighting scheme schematic diagram in the prior art；
Fig. 1 b are quantum tubular construction schematic diagram in the prior art；
Fig. 1 c are LED structure schematic diagram in the prior art；
Fig. 2 a are the LED structure schematic diagram provided in embodiment one；
Fig. 2 b are the quantum tubular construction schematic diagram provided in embodiment one；
Fig. 2 c are the backlight module schematic diagram provided in embodiment one；
Fig. 3 a are the LED structure schematic diagram provided in embodiment two；
Fig. 3 b are the backlight module schematic diagram provided in embodiment two；
The display device structure schematic diagram that Fig. 4 a provide for the application；
Another display device structure schematic diagram that Fig. 4 b provide for the application；
Reference：
110-LED 111- package support 112- blue chip 113- transparent encapsulating bodies
120- quantum pipe 121- red quantum dot materials 122- green quanta point material 123- transparent colloids
130- light guide plates
200- backlight module 210-LED 211- package supports
212- blue chips 213- the first color fluorescence powder materials 214- can launch the chip of the first color of light
220- quantum pipe 221- hollow tubes 222- the second color quanta point materials
223- transparent colloid 230- light guide plate 241- bottom plates
242- riser 250-PCB plate 300- display panels.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
In the description of the invention, it is to be understood that, the instruction side such as " on ", " under ", " interior ", " outer ", " level ", " vertical "
The term of position or position relationship is that, based on orientation shown in the drawings or position relationship, description merely for convenience is of the invention and simplifies
Description, rather than indicate or imply that the device or element of meaning must have specific 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 describing mesh
, and it is not intended that indicate or imply relative importance or it is implicit indicate or including of implying it is one or more should
Technical characteristic.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
Embodiment one
Embodiments herein one provides a kind of backlight module, and the backlight module includes light guide plate, LED, quantum pipe and quantum pipe
Support.Wherein, light guide plate includes incidence surface and the exiting surface adjacent and vertical with incidence surface；Quantum pipe holder includes bottom plate and vertical
Plate, the bottom plate and riser are mutually perpendicular to.
Fig. 2 a are LED structure schematic diagram in the present embodiment, including the monochromatic pumping chip being arranged in package support 211,
The monochromatic pumping chip can use blue chip 212, its feature to launch blue light after being powered, the scope of peak wavelength for 420nm ~
480nm, sets the first color fluorescence powder material 213 around blue chip.
The quantum tubular construction schematic diagram that Fig. 2 b are provided by the present embodiment, the transparent tubulose of quantum pipe 220, including it is hollow
Body 221, after the second color quanta point material 222 is uniformly mixed with transparent colloid 223, be poured in hollow body 221,
Specifically, transparent colloid 223 can be silica gel, epoxy resin or silicones, after the completion of perfusion, by the perfusing hole one of hollow tube
End sealing, the second color quanta point material 222 is encapsulated in quantum pipe, reached the purpose of quanta point material water proof oxygen barrier.
Alternatively, if the first color fluorescence powder material is red fluorescence powder material, the second color quanta point material 222 is
For green quanta point material；If the first color fluorescence powder material is green emitting phosphor material, the second color quanta point material 222
As red quantum dot material, wherein red fluorescence powder material or quanta point material can produce feux rouges, peak value after being excited by blue light
The scope of wavelength is 600nm ~ 660nm；Green emitting phosphor material or quanta point material can produce green glow, peak value after being excited by blue light
The scope of wavelength is 500 ~ 560nm, and the light of three kinds of wave bands of red, green, blue mixes generation white backlight.
Further, the backlight module overall structure diagram be can refer to shown in Fig. 2 c, and two quantum pipe holders are relative to be set
Put on pcb board 250, leave certain distance between the bottom plate 241 of two quantum pipe holders is packaged with the first color for setting
The LED210 of phosphor material powder, the quantum pipe 220 for being packaged with the second color quanta point material is arranged on two quantum pipe holders
Between riser 242, and the incidence surface of quantum pipe 220 and light guide plate 230 is oppositely arranged.
Illustrate the beneficial effect of the application with reference to Fig. 2 c, compared with prior art, the application is glimmering by the first color in the led
Light powder material is arranged on around blue chip, the blue light that blue chip is launched is first passed through the first color fluorescence powder material, one
Divide blue light to be absorbed and inspire the first color of light, the transparent colloid in quantum pipe is only received the second color quanta point material
The blue light illumination for needing the blue light and needs that absorb to be directed through, so as to reduce exposure of the blue light to transparent colloid；Moreover,
Due to only encapsulating a kind of quanta point material in quantum pipe, compared with prior art, quanta point material consumption is reduced in quantum pipe, from
And the caloric value in quantum pipe is reduced, and then extend the service life of quantum pipe.
Embodiment two
The present embodiment provides a kind of backlight module, and the backlight module includes light guide plate, LED, quantum pipe and quantum pipe holder.Its
In, light guide plate includes incidence surface and the exiting surface adjacent and vertical with incidence surface；Quantum pipe holder includes bottom plate and riser, described
Bottom plate and riser are mutually perpendicular to.
Fig. 3 a are LED structure schematic diagram in the present embodiment, including blue chip 212 is with that can launch the chip of the first color of light
214, its feature is that can launch blue light after blue chip 212 is powered.
In addition, quantum tubular construction is identical with the structure of quantum pipe in embodiment one in the present embodiment, as shown in Fig. 2 the amount
The transparent tubulose of son pipe, including hollow body 221, the second color quanta point material 222 are uniformly mixed with transparent colloid 223
Afterwards, it is poured in hollow body 221, specifically, transparent colloid 223 can be silica gel, epoxy resin or silicones, irrigate
Cheng Hou, perfusing hole one end of hollow tube 221 is sealed, and the second color quanta point material 222 is encapsulated in quantum pipe, reach by
The purpose of quanta point material water proof oxygen barrier.
Alternatively, if the chip that can launch the first color of light is red light chips, the second color quanta point material is as green
Color quanta point material；If the chip that can launch the first color of light is green glow chip, the second color quanta point material is red
Quanta point material, wherein red fluorescence powder material or quanta point material can produce feux rouges, the model of peak wavelength after being excited by blue light
Enclose for 600nm ~ 660nm；Green emitting phosphor material or quanta point material can produce green glow, the model of peak wavelength after being excited by blue light
Enclose for 500 ~ 560nm, the light of three kinds of wave bands of red, green, blue mixes generation white backlight.
Further, the specific schematic diagram of the backlight module of the present embodiment can refer to shown in Fig. 3 b, two quantum pipe holder phases
To being arranged on pcb board 250, left between the bottom plate 241 of two quantum pipe holders certain distance be used for set use blue light core
The LED210 of piece and the chip that can launch the first color of light, the quantum pipe 220 for being packaged with the second color quanta point material is arranged on
Between the riser 242 of two quantum pipe holders, and quantum pipe 220 is oppositely arranged with the incidence surface of light guide plate 230.
The backlight module that the present embodiment two is provided, compared with prior art, LED is using blue chip and can launch the first face
The chip of coloured light, the first color of light can be directly powered by the chip that can launch the first color of light and be produced, and be made transparent in quantum pipe
Colloid need to only receive the blue light illumination that the second color quanta point material needs the blue light and needs that absorb to be directed through, so as to reduce
Exposure of the blue light to transparent colloid in quantum pipe；It is additionally, since in quantum pipe and only encapsulates a kind of quanta point material, it is and existing
Technology is compared, and quanta point material consumption is reduced in quantum pipe, so as to reduce the caloric value in quantum pipe, and then extends quantum
The service life of pipe.
Embodiment three
The present embodiment provides a kind of display device, refer to shown in Fig. 4 a and 4b, the display device include above-described embodiment one or
The backlight module 200 that embodiment two is provided, in addition to it is arranged on the display surface of the top of backlight module 200 for display picture
Plate 300.
Other components on this area backlight module and display panel have been well known to those skilled in the art,
The state of the art is referred to, is not described in detail herein.
A kind of backlight module and display device that the present invention is provided, by by the second color quantum dot material package in quantum
Guan Zhong, prepares monochromatizing quantum pipe, LED uses blue chip, and sets the first color fluorescence powder material around blue chip, makes
Blue light first passes through the first color fluorescence powder material, and a part of blue light is absorbed by the first color fluorescence powder material inspires the first color
Light；Or LED is using blue chip and can launch the chip of the first color of light, it is directly produced the first color of light, so that
Reduce the blue light illumination amount by transparent colloid in quantum pipe；Moreover, only encapsulating a kind of quanta point material in quantum pipe, reduce
The consumption of quanta point material, so as to reduce the caloric value in quantum pipe, and then extends the use of quantum pipe in quantum pipe
Life-span.
Finally it should be noted that：Various embodiments above is only illustrating the technical scheme that collects of the present invention, rather than it is entered
Row limitation；Although the present invention is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from the present invention
The scope of each embodiment technical scheme.
Claims (10)
1. a kind of backlight module, it is characterised in that including：
Light guide plate, the light guide plate includes incidence surface and the exiting surface adjacent and vertical with the incidence surface；
LED, the LED include monochromatic pumping chip, and the first color fluorescence powder material set around the monochromatic pumping chip
Material；
Quantum pipe, the transparent tubulose of quantum pipe, including the second color quanta point material and transparent adhesive tape being sealed in body
Body；
The quantum pipe is arranged on the light direction of the LED, and relative with the incidence surface.
2. backlight module according to claim 1, it is characterised in that the monochromatic pumping chip is blue chip.
3. backlight module according to claim 1, it is characterised in that the first color fluorescence powder material is red fluorescence
Powder material, the second color quanta point material is green quanta point material.
4. backlight module according to claim 1, it is characterised in that the first color fluorescence powder material is green fluorescence
Powder material, the second color quanta point material is red quantum dot material.
5. backlight module according to claim 1, it is characterised in that the transparent colloid is silica gel, epoxy resin or silicon
Resin, and the transparent colloid uniformly mixes with the second color quanta point material.
6. a kind of backlight module, it is characterised in that including：
Light guide plate, the light guide plate includes incidence surface and the exiting surface adjacent and vertical with the incidence surface；
LED, the LED include blue chip and can launch the chip of the first color of light；
Quantum pipe, the transparent tubulose of quantum pipe, including the second color quanta point material and transparent adhesive tape being sealed in body
Body；
The quantum pipe is arranged on the light direction of the LED, and relative with the incidence surface.
7. backlight module according to claim 6, it is characterised in that the chip that can launch the first color of light is feux rouges
Chip, the second color quanta point material is green quanta point material.
8. backlight module according to claim 6, it is characterised in that described to launch the chip green glow core of the first color of light
Piece, the second color quanta point material is red quantum dot material.
9. backlight module according to claim 6, it is characterised in that the transparent colloid is silica gel, epoxy resin or silicon
Resin, and the transparent colloid uniformly mixes with the second color quanta point material.
10. a kind of display device, it is characterised in that including the backlight module described in claim 1-5 or 6-9, in addition to set
Display panel above the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493067.7A CN107167964A (en) | 2017-06-26 | 2017-06-26 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493067.7A CN107167964A (en) | 2017-06-26 | 2017-06-26 | A kind of backlight module and display device |
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| Publication Number | Publication Date |
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| CN107167964A true CN107167964A (en) | 2017-09-15 |
Family
ID=59826243
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710493067.7A Withdrawn CN107167964A (en) | 2017-06-26 | 2017-06-26 | A kind of backlight module and display device |
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| CN109270728A (en) * | 2018-11-30 | 2019-01-25 | 娄底市金鑫电子科技有限公司 | The high-accuracy Intelligent touch all-in-one machine of Beidou satellite navigation based on quantum glory technology |
| 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 |
| CN110579905A (en) * | 2019-02-22 | 2019-12-17 | 友达光电股份有限公司 | Display device |
| WO2021114526A1 (en) * | 2019-12-13 | 2021-06-17 | 海信视像科技股份有限公司 | Display device |
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| CN109270728A (en) * | 2018-11-30 | 2019-01-25 | 娄底市金鑫电子科技有限公司 | The high-accuracy Intelligent touch all-in-one machine of Beidou satellite navigation based on quantum glory technology |
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Application publication date: 20170915 |