CN108563070A - A kind of backlight module, liquid crystal display die set and liquid crystal display device - Google Patents
A kind of backlight module, liquid crystal display die set and liquid crystal display device Download PDFInfo
- Publication number
- CN108563070A CN108563070A CN201810384344.5A CN201810384344A CN108563070A CN 108563070 A CN108563070 A CN 108563070A CN 201810384344 A CN201810384344 A CN 201810384344A CN 108563070 A CN108563070 A CN 108563070A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- liquid crystal
- crystal display
- guide plate
- light guide
- 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
- 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
A kind of backlight module of present invention offer, liquid crystal display die set and liquid crystal display device, with the display effect for using less quanta point material that liquid crystal display panel is made to realize high colour gamut.The embodiment of the present invention provides a kind of backlight module, including：Backboard, the light guide plate being arranged on the backboard and lamp bar component, wherein the lamp bar component is arranged in the side of the light guide plate；The lamp bar component includes：The U-type groove being open towards the light guide plate, with the fixed luminous component of U-type groove inner bottom surface, the quantum dot diaphragm being oppositely arranged with the luminous component, the luminous component excites the quantum dot diaphragm to shine, and is incident on the light guide plate.
Description
Technical field
The present invention relates to a kind of technical field of semiconductors more particularly to backlight module, liquid crystal display die set and liquid crystals
Showing device.
Background technology
Currently, NTSC color gamut (the National of mainstream liquid crystal display device (Liquid Crysta1 Disp1ay, LCD)
Television Standards Committee, National Television Standards Committee) generally 72% or so, in order to promote display
The display quality and user experience of device, nearly 2 years quantum dot back light model setting technologies have obtained the favor of many manufacturers.Quantum dot is
A kind of nano material, for particle diameter generally between 1nm-10nm, the quantum dots of different particle diameters can be with after being stimulated
Send out the light of different-waveband, it is possible to change the colour gamut of light source.
Quantum dot applies in back light model setting technology, can be the NTCS color gamut levels of display from current 72% or so
It is promoted to 100% or more.Mainly there are two technique directions for technology of quantum dots in backlight module：First, being by quanta point material
Be encapsulated into cylindrical quantum pipe, then as blue-ray LED before, this technology to the Structural Design Requirement of backlight module compared with
It is high；Second, being that quanta point material and polyester material are fabricated to quantum dot film together, using quantum dot film as an individual film
Piece is positioned in backlight module, and this technology requires to use more quanta point material, the cost of quantum dot film also very high
It is expensive.
Invention content
A kind of backlight module of present invention offer, liquid crystal display die set and liquid crystal display device, to use less quantum
Put the display effect that material makes liquid crystal display panel realize high colour gamut.
The embodiment of the present invention provides a kind of backlight module, including：Backboard, the light guide plate being arranged on the backboard and
Lamp bar component, wherein the lamp bar component is arranged in the side of the light guide plate；
The lamp bar component includes：The U-type groove being open towards the light guide plate, with the fixed hair of U-type groove inner bottom surface
Light component, the quantum dot diaphragm being oppositely arranged with the luminous component, the luminous component excite the quantum dot diaphragm to shine,
And it is incident on the light guide plate.
Optionally, the luminous component includes circuit board, and the light emitting diode being welded on the circuit board, described
Circuit board is pasted by the first double faced adhesive tape and the inner bottom surface of the U-type groove.
Optionally, the light emitting diode is blue light-emitting diode.
Optionally, first double faced adhesive tape is bond plies.
Optionally, the U-type groove is also coated with white reflector material in other medial surfaces in addition to the inner bottom surface.
Optionally, the both ends of the U-type groove are each provided with step structure, the step structure towards the light guide plate
Bottom surface be provided with the second double faced adhesive tape, the quantum dot diaphragm is pasted by second double faced adhesive tape and the U-type groove, so that institute
State the opening of U-type groove described in quantum dot membrane covered.
Optionally, the material of the quantum dot diaphragm includes quanta point material and polyester material.
Optionally, it is additionally provided with reflector plate between the backboard and the light guide plate.
The embodiment of the present invention also provides a kind of liquid crystal display die set, including the backlight mould provided in an embodiment of the present invention
Group further includes liquid crystal display panel, and the liquid crystal display panel is set to the close light-emitting surface side of the backlight module.
The embodiment of the present invention also provides a kind of liquid crystal display device, including the liquid crystal display provided in an embodiment of the present invention
Module.
The embodiment of the present invention has the beneficial effect that：Backlight module provided in an embodiment of the present invention, including：Backboard, setting exist
Light guide plate on the backboard and lamp bar component, the lamp bar component include：The U-type groove being open towards the light guide plate,
With the fixed luminous component of U-type groove inner bottom surface, the quantum dot diaphragm being oppositely arranged with the luminous component, the illumination region
Part excites the quantum dot diaphragm to shine, and is incident on the light guide plate.By the way that luminous component and quantum dot diaphragm are integrated into
In one lamp bar component, takes full advantage of quantum dot and the advantage that high colour gamut is shown may be implemented, and compared in backlight module
One big whole quantum dot module is set, it is possible to reduce the usage amount of quantum dot, and then may be implemented to use less quantum dot
Material makes liquid crystal display panel realize the display effect of high colour gamut.Moreover, in the embodiment of the present invention, when designing backlight module,
Using lamp bar component as a component, the design of configuration aspects is enormously simplified, and the lamp bar component of this type can also be realized
Good product versatility.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of backlight module provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of lamp bar component provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of specific lamp bar component provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the lamp bar component provided in an embodiment of the present invention for being provided with white light reflectorized material；
Fig. 5 is the structural schematic diagram of the lamp bar component provided in an embodiment of the present invention for being provided with step structure；
Fig. 6 is the structural schematic diagram of the backlight module provided in an embodiment of the present invention for being provided with reflecting piece；
Fig. 7 is a kind of structural schematic diagram of liquid crystal display die set provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of specific liquid crystal display die set provided in an embodiment of the present invention.
Specific implementation mode
In order to enable the purpose, technical scheme and advantage of the embodiment of the present invention are clearer, below in conjunction with of the invention real
The technical solution of the embodiment of the present invention is clearly and completely described in the attached drawing for applying example.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on described the embodiment of the present invention, this field is common
The every other embodiment that technical staff is obtained under the premise of without creative work belongs to the model that the present invention protects
It encloses.
Unless otherwise defined, the technical term or scientific terminology that the present invention uses should be tool in fields of the present invention
There is the ordinary meaning that the personage of general technical ability is understood." first ", " second " and the similar word used in the present invention is simultaneously
It does not indicate that any sequence, quantity or importance, and is used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means to occur the element before the word, and either object covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, either directly or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative position relation, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
In order to keep the following explanation of the embodiment of the present invention to understand and simplicity, present invention omits known functions and known portion
The detailed description of part.
Shown in referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of backlight module, including：Backboard 1 is arranged in backboard 1
On light guide plate 2 and lamp bar component 3, wherein lamp bar component 3 is arranged in the side of light guide plate 2.It is shown in Figure 2, for figure
The concrete structure schematic diagram of 1 lamp bar component 3, lamp bar component 3 include：The U-type groove 31 being open towards light guide plate 2, with U-type groove 31
The fixed luminous component 32 of inner bottom surface, the quantum dot diaphragm 33 being oppositely arranged with luminous component 32,32 excitation quantum of luminous component
Point diaphragm 33 shines, and is incident on light guide plate 2.
Backlight module provided in an embodiment of the present invention, including：Backboard, the light guide plate being arranged on backboard and lamp bar group
Part, lamp bar component include：The U-type groove being open towards light guide plate, and the fixed luminous component of U-type groove inner bottom surface, with luminous component
The quantum dot diaphragm being oppositely arranged, luminous component excitation quantum point diaphragm shines, and is incident on light guide plate.By by luminous component
It is integrated into a lamp bar component with quantum dot diaphragm, takes full advantage of quantum dot and the advantage of high colour gamut may be implemented, and compare
In the big whole quantum dot module of setting one in backlight module, it is possible to reduce the usage amount of quantum dot, and then may be implemented to make
Liquid crystal display panel is set to realize the display effect of high colour gamut with less quanta point material.Moreover, in the embodiment of the present invention, setting
When counting backlight module, using lamp bar component as a component, the design of configuration aspects, and the lamp bar of this type are enormously simplified
Component can also realize good product versatility.
In the specific implementation, shown in Figure 3, luminous component 32 can specifically include circuit board 323, and be welded on electricity
The one side of light emitting diode 321 on road plate 323, the non-setting light emitting diode 321 of circuit board 323 passes through the first double faced adhesive tape 322
It is pasted with the inner bottom surface of U-type groove 31.Optionally, light emitting diode 321 is blue light-emitting diode.Circuit board 323 specifically can be with
For PCB circuit board, one side is for being arranged light emitting diode, the inner bottom surface that another side passes through the first double faced adhesive tape 323 and U-type groove 31
It pastes.In the embodiment of the present invention, excites light quanta point diaphragm to shine by blue light diode, high colour gamut white light, skill can be sent out
Art relative maturity is easy to make.
In the specific implementation, the first double faced adhesive tape is bond plies.In the embodiment of the present invention, the first double faced adhesive tape is that heat conduction is double
In addition face glue can also can rapidly pass to out the intracavitary heat of U-type groove while playing the role of fixing circuit board
It goes, the intracavitary for avoiding U-type groove when the temperature is excessively high, causes luminous component cisco unity malfunction.
In the specific implementation, shown in Figure 4, U-type groove 31 is also coated with white in other medial surfaces in addition to inner bottom surface
Color reflectorized material 35.In the embodiment of the present invention, U-type groove 31 is also coated with white reflection in other medial surfaces in addition to inner bottom surface
Material 35 can promote the utilization rate of luminous energy, and the light that luminous component generates is made to be irradiated on light guide plate as much as possible.
In the specific implementation, shown in Figure 5, the both ends of U-type groove 31 are each provided with step structure 36, step structure 36
The bottom surface towards light guide plate 2 be provided with the second double faced adhesive tape 34, quantum dot diaphragm 33 is viscous by the second double faced adhesive tape 34 and U-type groove 31
Patch, so that quantum dot diaphragm 33 covers the opening of U-type groove 31.In the embodiment of the present invention, the both ends of U-type groove 31 are each provided with platform
Stage structure 36, on the one hand, quantum dot diaphragm 33 can be pasted on U-shaped groove 31, on the other hand, subsequently by lamp bar component
When being assembled in backlight module, position-limiting action can be played to light guide plate 2, light guide plate 2 is prevented to be expressed to lamp bar component 3.
In the specific implementation, the material of quantum dot diaphragm 33 includes quanta point material and polyester material.
In the specific implementation, shown in Figure 6, reflector plate 4 is additionally provided between backboard 1 and light guide plate 2.
The embodiment of the present invention also provides a kind of liquid crystal display die set, shown in Figure 7 including provided in an embodiment of the present invention
Backlight module, further includes liquid crystal display panel 7, and liquid crystal display panel 7 is set to the close light-emitting surface side of backlight module.
In the specific implementation, shown in Figure 8, liquid crystal display die set further includes：Optical diaphragm on light guide plate 2
Combination 5 and glue frame 6, liquid crystal display panel 7 are located on glue frame 6, are additionally provided between glue frame 6 and liquid crystal display panel 7 slow
Rush rubber strip 8.Wherein, glue frame 6 is for lightguide plate fixing 2, optical film combination 5, and plays support to liquid crystal display panel 7
Effect；Backboard 1 plays the role of support to entire module；Reflector plate 4, effect are exactly that reflection is projected from light guide plate 2
Light promotes the utilization rate to luminous energy；Optical film combination 5, effect are to change the distribution of luminous energy, promote luminous energy in display
Positive energy；High colour gamut picture is presented by RGB light in liquid crystal display panel 7, selectivity；Yielding rubber item 8, to liquid crystal
Display panel 7 plays a protective role；Lamp bar component 3 is fixed on the arbitrary one side or the multi-lateral of light guide plate 2 in backlight module, hair
The high colour gamut light gone out is injected into light guide plate 2, and optical film combination 5 and liquid crystal display are injected again via the effect of light guide plate 2
In panel 7.
The embodiment of the present invention also provides a kind of liquid crystal display device, including liquid crystal display mode provided in an embodiment of the present invention
Group.
The embodiment of the present invention has the beneficial effect that：Backlight module provided in an embodiment of the present invention, including：Backboard, setting exist
Light guide plate on backboard and lamp bar component, lamp bar component include：The U-type groove being open towards light guide plate, with U-type groove inner bottom surface
Fixed luminous component, the quantum dot diaphragm being oppositely arranged with luminous component, luminous component excitation quantum point diaphragm shine, are incorporated to
It is mapped to light guide plate.By the way that luminous component and quantum dot diaphragm to be integrated into a lamp bar component, taking full advantage of quantum dot can
To realize the advantage of high colour gamut, and compared to the big whole quantum dot module of setting one in backlight module, it is possible to reduce quantum
The usage amount of point, and then may be implemented to make liquid crystal display panel realize that the display of high colour gamut is imitated using less quanta point material
Fruit.Moreover, in the embodiment of the present invention, when designing backlight module, using lamp bar component as a component, structure is enormously simplified
The design of aspect, and the lamp bar component of this type can also realize good product versatility.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of backlight module, which is characterized in that including：Backboard, the light guide plate being arranged on the backboard and lamp bar group
Part, wherein the lamp bar component is arranged in the side of the light guide plate；
The lamp bar component includes：The U-type groove being open towards the light guide plate, with the fixed illumination region of U-type groove inner bottom surface
Part, the quantum dot diaphragm being oppositely arranged with the luminous component, the luminous component excite the quantum dot diaphragm to shine, are incorporated to
It is mapped to the light guide plate.
2. backlight module as described in claim 1, which is characterized in that the luminous component includes circuit board, and is welded on
Light emitting diode on the circuit board, the circuit board are pasted by the first double faced adhesive tape and the inner bottom surface of the U-type groove.
3. backlight module as claimed in claim 2, which is characterized in that the light emitting diode is blue light-emitting diode.
4. backlight module as claimed in claim 3, which is characterized in that first double faced adhesive tape is bond plies.
5. backlight module as claimed in claim 4, which is characterized in that the U-type groove is other in addition to the inner bottom surface
Medial surface is also coated with white reflector material.
6. backlight module as described in claim 1, which is characterized in that the both ends of the U-type groove are each provided with step structure,
The bottom surface towards the light guide plate of the step structure is provided with the second double faced adhesive tape, and the quantum dot diaphragm passes through described second
Double faced adhesive tape is pasted with the U-type groove, so that the opening of U-type groove described in the quantum dot membrane covered.
7. backlight module as described in claim 1, which is characterized in that the material of the quantum dot diaphragm includes quanta point material
And polyester material.
8. backlight module as described in claim 1, which is characterized in that be additionally provided between the backboard and the light guide plate anti-
Penetrate piece.
9. a kind of liquid crystal display die set, which is characterized in that include the backlight module as described in any claim of claim 1~8, also
Including liquid crystal display panel, the liquid crystal display panel is set to the close light-emitting surface side of the backlight module.
10. a kind of liquid crystal display device, which is characterized in that including liquid crystal display die set as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384344.5A CN108563070A (en) | 2018-04-26 | 2018-04-26 | A kind of backlight module, liquid crystal display die set and liquid crystal display device |
| PCT/CN2019/082355 WO2019205954A1 (en) | 2018-04-26 | 2019-04-12 | Backlight module, liquid crystal display module, and liquid crystal display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384344.5A CN108563070A (en) | 2018-04-26 | 2018-04-26 | A kind of backlight module, liquid crystal display die set and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108563070A true CN108563070A (en) | 2018-09-21 |
Family
ID=63536843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384344.5A Pending CN108563070A (en) | 2018-04-26 | 2018-04-26 | A kind of backlight module, liquid crystal display die set and liquid crystal display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108563070A (en) |
| WO (1) | WO2019205954A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205954A1 (en) * | 2018-04-26 | 2019-10-31 | 京东方科技集团股份有限公司 | Backlight module, liquid crystal display module, and liquid crystal display apparatus |
| WO2020220817A1 (en) * | 2019-04-30 | 2020-11-05 | 京东方科技集团股份有限公司 | Backlight module, display module, and display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019205954A1 (en) | 2019-10-31 |
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Application publication date: 20180921 |