CN107991806A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN107991806A CN107991806A CN201711210362.3A CN201711210362A CN107991806A CN 107991806 A CN107991806 A CN 107991806A CN 201711210362 A CN201711210362 A CN 201711210362A CN 107991806 A CN107991806 A CN 107991806A
- Authority
- CN
- China
- Prior art keywords
- light
- bonding coat
- guide plate
- backlight module
- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention discloses a kind of backlight module and liquid crystal display device.The backlight module includes：Light guide plate, have light-emitting surface and with light-emitting surface incidence surface connected vertically；Light source, the incidence surface for being adjacent to light guide plate are set；Polaroid, positioned at the top of the light-emitting surface of light guide plate；Bonding coat, between polaroid and the light-emitting surface of light guide plate, and for being bonded polaroid and light guide plate, doped with quantum dot in the bonding coat.Based on this, the present invention can be conducive to the lightening design of LCD and reduce manufacturing cost.
Description
Technical field
The present invention relates to display field, and in particular to a kind of backlight module and liquid crystal display device.
Background technology
Development and social progress with science and technology, people increasingly increase for information interchange and the degree of dependence transmitted,
And display device studies science as information exchange and the main carriers and material that transmit as numerous information photoelectricity of being engaged in
Family falls over each other hot spot and the highland seized.
Quantum dot (Quantum Dot, QD) is as a kind of semiconductor of Nano grade, by applying certain electric field to it
Or optical pressure, they will send the light of predetermined color, and the color of light is determined by the composition material and size of quantum dot,
Quantum dot particle is smaller, and the wavelength that it is absorbed is longer, and quantum dot particle is bigger, and the wavelength that it is absorbed is shorter, such as measures
The blue light of the absorbable shortwave of son point simultaneously inspires the feux rouges and green light of long wave.This characteristic enables quantum dot to change light source hair
The light color gone out, therefore when quantum dot is applied to LCD (Liquid Crystal Display, liquid crystal display device), can
The color saturation of LCD is substantially improved.
Currently, quantum dot is present in quantum dot film, and this Rotating fields is arranged in LCD by quantum dot film, and LCD
Need set Barrier film (barrier layer) to protect the quantum dot film, this be obviously unfavorable for LCD lightening design and
Reduce manufacturing cost.
The content of the invention
In view of this, the present invention provides a kind of backlight module and liquid crystal display device, can be conducive to the lightening of LCD and set
Meter and reduction manufacturing cost.
The backlight module of one embodiment of the invention, it is characterised in that the backlight module includes：
Light guide plate, have light-emitting surface and with light-emitting surface incidence surface connected vertically；
Light source, the incidence surface for being adjacent to the light guide plate are set；
Polaroid, positioned at the top of the light-emitting surface of the light guide plate；
Bonding coat, between the light-emitting surface of the polaroid and the light guide plate, and for be bonded the polaroid and
The light guide plate, doped with quantum dot in the bonding coat.
The liquid crystal display device of one embodiment of the invention, including above-mentioned backlight module and it is arranged at going out for the backlight module
Liquid crystal panel on light direction.
Beneficial effect：The present invention increases in the quantum dot-doped bonding coat between polaroid and light guide plate without extra
Add a quantum dot film, therefore be conducive to the lightening design of LCD, and quantum dot is protected by polaroid and light guide plate, can be saved
Slightly Barrier film, can not only reduce manufacturing cost, but also be further conducive to the lightening design of LCD.
Brief description of the drawings
Fig. 1 is the structure diagram of the backlight module of first embodiment of the invention；
Fig. 2 is the structure diagram of the polarizer of one embodiment of the invention；
Fig. 3 is the structure diagram of the bonding coat of first embodiment of the invention；
Fig. 4 is the structure diagram of the bonding coat of second embodiment of the invention；
Fig. 5 is the structure diagram of the bonding coat of third embodiment of the invention；
Fig. 6 is the structure diagram of the backlight module of second embodiment of the invention；
Fig. 7 is the structure diagram of the backlight module of third embodiment of the invention；
Fig. 8 is the structure diagram of the liquid crystal display device of one embodiment of the invention.
Embodiment
The main object of the present invention is：By in the quantum dot-doped bonding coat between polaroid and light guide plate, without volume
One quantum dot film of outer increase, to be conducive to the lightening design of LCD, and quantum dot is protected by polaroid and light guide plate, is omitted
Barrier film, in this, can not only reduce manufacturing cost, but also further be conducive to the lightening design of LCD.
The technical solution of each embodiment of the present invention is clearly and completely described below in conjunction with the accompanying drawings.Do not rushing
In the case of prominent, following embodiments and its technical characteristic can be mutually combined.Also, directional terminology used by full text, example
Such as " on ", " under ", it is for preferably describing each embodiment, is not intended to limit protection scope of the present invention.
Fig. 1 is the structure sectional view of the backlight module of first embodiment of the invention.Referring to Fig. 1, the backlight module 10 wraps
Include light source 11, light guide plate 12, bonding coat 13 and polaroid 14.
Light source 11 is connected with drive circuit, and the light of predetermined color is sent under its driving, such as blue light.The light source 11 can
Think LED (Light Emitting Diode, light emitting diode), drive circuit can be PCB (Printed Circuit
Board, printed circuit board (PCB)).
Light guide plate 12 is equipped with incidence surface and light-emitting surface, and incidence surface and light-emitting surface are vertically connected.With rectangular body knot in scheming
Exemplified by the light guide plate 12 of structure, the left surface of light guide plate 12 can be incidence surface, its upper surface is light-emitting surface.Light source 11, which is adjacent to, leads
The incidence surface of tabula rasa 11 is set.
Polaroid (Polarizer) 14 is arranged at the top of the light-emitting surface of light guide plate 12, as shown in Fig. 2, polaroid 14 can
With the protective layer 142 including polarizing function layer 141 and positioned at 141 both sides of polarizing function layer, which is used for light
Line is polarized, and protective layer 142 can be used for protecting the polarizing function layer 141, for example, cause polarizing function layer 141 be in water proof every
In the environment of oxygen, to ensure its reliability.Certainly, the polaroid 14 can also have other designs, such as it is only in polarisation work(
The side of ergosphere 141 sets protective layer 142.
Bonding coat 13 is located between polaroid 14 and the light-emitting surface of light guide plate 12, and for being bonded polaroid 14 and light guide plate
12.In coating, bonding coat 13 can be coated on polaroid 14, or is coated on the light-emitting surface of light guide plate 12, or
A part is coated on polaroid 14 and another part is coated on the light-emitting surface of light guide plate 12, is thus bonded polaroid 14 and is led
Tabula rasa 12.Wherein, bonding coat 13 can use PSA (Pressure Sensitive Adhesive, pressure sensitive adhesive), certainly, in order to
The light guide effect of light guide plate 12 is not influenced, and bonding coat 13 can also use low-refraction glue, i.e. the refractive index of bonding coat 13 is less than
The refractive index of light guide plate 12, for example, the refractive index of light guide plate 12 is 1.5, the refractive index of bonding coat 13 is 1.2.
It is with the difference of the prior art, quantum dot 131 is doped in bonding coat 13, that is to say, that the present embodiment
Bonding coat 13 be both considered as the adhesive linkage of polaroid 14 and light guide plate 12, the quantum dot of backlight module 10 can also be considered as
Film.
In this, quantum dot 131 is applied in backlight module 10 by the present embodiment, is conducive to be lifted the color saturation of LCD
And luminance viewing angle (Visual Range of Brightness)；Also, since quantum dot 131 is doped in polaroid 14 and leaded light
In bonding coat 13 between plate 12, without one quantum dot film of extra increase, therefore be conducive to the lightening design of LCD；In addition, amount
Son is selected 131 and is protected by polaroid 14 and light guide plate 12, can omit existing Barrier film, can not only reduce the manufacturing
Cost, and be further conducive to the lightening design of LCD.
In the present embodiment, the manufacture material of the quantum dot 131 includes but not limited to CdSe (cadmium selenide), CdS (vulcanizations
Cadmium), ZnS (zinc sulphide), ZnSe (zinc selenide), CuInS2(indium sulphur), InS (indium sulfide), CH3PbCl3(tri-chlorination boric acid),
CH3PbBr3(tribromide boric acid), CH3PbI3(triiodide boric acid), CsPbCl3(boron chloride caesium), CsPbBr3(Boron tribromide
Caesium) and CsPbI3At least one of (triiodide boron caesium).
Also, quantum dot 131 can send the light of different colours under the excitation of light, for example, referring to Fig. 3~Fig. 5, the amount
Son point 131 includes red light quantum point 131a and green light quantum point 131b, and red light quantum point 131a is used for the light for sending red, green light
Quantum dot 131b is used for the light for sending green.As shown in figure 3, red light quantum point 131a and green light quantum point 131b are mutually mixed,
Then it is doped in bonding coat 13.Alternatively, as shown in figure 4, red light quantum point 131a is doped in the first sub- bonding coat 132a, it is green
Light quanta point 131b is doped in the second sub- bonding coat 132b, wherein the second sub- bonding coat 132b is located at of light guide plate 12 and first
Between bonding coat 132a, then the first sub- sub- bonding coat 132b of bonding coat 132a and second are bonded, bonding coat 13 is formed with this.
Or as shown in figure 5, green light quantum point 131b is doped in the first sub- bonding coat 132a, red light quantum point 131a is doped in
In second sub- bonding coat 132b, wherein the second sub- bonding coat 132b is located between 12 and first sub- bonding coat 132a of light guide plate, so
The first sub- sub- bonding coat 132b of bonding coat 132a and second are bonded afterwards, bonding coat 13 is formed with this.
Fig. 6 is the structure sectional view of the backlight module of second embodiment of the invention.For element same as shown in Figure 1,
The present embodiment is identified using identical label.On the basis of the description of previous embodiment, referring to Fig. 6, the bonding coat
13 include low-index layer 133 and quantum dot film 134, and foregoing quantum dot 131 is doped in the quantum dot film 134, low-refraction
Layer 133 is arranged between the light-emitting surface of light guide plate 12 and quantum dot film 134, which is a whole face complete structure
And can be formed using low-refraction glue, its refractive index is less than the refractive index of light guide plate 12, for example, the refractive index of light guide plate 12 is
1.5, the refractive index of low-index layer 133 is 1.2.
In the present embodiment, when the refractive index of quantum dot film 134 is more than the refractive index of light guide plate 12, such as quantum dot film
When 134 use resin doped quantum dots 131 are made, low-index layer 133 and 134 collective effect of quantum dot film, it can be ensured that not shadow
The light guide effect of pilot's tabula rasa 12.
Fig. 7 is the structure sectional view of the backlight module of third embodiment of the invention.For element same as shown in Figure 1,
The present embodiment is identified using identical label.On the basis of the description of previous embodiment, and with embodiment illustrated in fig. 6 not
It is with part, referring to Fig. 7, the low-index layer 133 of the present embodiment is not a whole face complete structure, but offers multiple
Air can be filled with spaced vacancy section 133a, vacancy section 133a.
It should be appreciated that the backlight module 10 of above-described embodiment is only the goal of the invention schematic diagram for illustrating the present invention, this hair
Bright backlight module can also have other structures.For example, backlight module 10 can also include backboard and glue frame, backboard is used to hold
Light source 11, light guide plate 12 and other above-mentioned each elements are carried, glue frame is set around light guide plate 12, and will be arranged at light guide plate 12
Light-emitting surface above liquid crystal panel pressure holding be fixed on above the light-emitting surface of light guide plate 12.In addition, the manufacture material of light guide plate 12
Can be PC (Polycarbonate, makrolon or engineering plastics), or glass, and due to light in glass
Spread good in PC, therefore point light source is converted into area source and realizes the identical uniformity, light guide plate of the light in glass material
In the path of required refraction be less than the path of the required refraction in the light guide plate of PC materials, therefore can be reduced using glass material
The thickness of light guide plate, so as to reduce the thickness of whole backlight module 10.
The present invention also provides a kind of liquid crystal display device.As shown in figure 8, the liquid crystal display device 80 includes backlight module
81 and the liquid crystal panel 82 that is arranged on the light direction of backlight module 81.The backlight module 81 can be any of the above-described implementation
The backlight module 10 of example, and a substrate of liquid crystal panel 82 can be viscous by the polaroid 14 of printing opacity glue and backlight module 10
Connect, which can use the materials such as PSA to be formed.In the present embodiment, the liquid crystal display device 80 also has backlight mould
The beneficial effect that group 10 can be generated.
Illustrate again, the foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every
Technology is special between the equivalent structure or equivalent flow shift made using description of the invention and accompanying drawing content, such as each embodiment
Be combineding with each other for sign, is directly or indirectly used in other related technical areas, and the patent for being similarly included in the present invention is protected
In the range of shield.
Claims (10)
1. a kind of backlight module, it is characterised in that the backlight module includes：
Light guide plate, have light-emitting surface and with light-emitting surface incidence surface connected vertically；
Light source, the incidence surface for being adjacent to the light guide plate are set；
Polaroid, positioned at the top of the light-emitting surface of the light guide plate；
Bonding coat, between the light-emitting surface of the polaroid and the light guide plate, and for being bonded the polaroid and described
Light guide plate, doped with quantum dot in the bonding coat.
2. backlight module according to claim 1, it is characterised in that the refractive index of the bonding coat is less than the light guide plate
Refractive index.
3. backlight module according to claim 1, it is characterised in that the bonding coat includes low-index layer and doping
The quantum dot film of the quantum dot, the low-index layer be arranged at the quantum dot film and the light guide plate light-emitting surface it
Between, the refractive index of the low-index layer is less than the refractive index of the light guide plate.
4. backlight module according to claim 3, it is characterised in that the low-index layer is to be filled in the quantum dot
A whole face structure between film and the light guide plate.
5. backlight module according to claim 3, it is characterised in that the low-index layer offers multiple interval settings
Vacancy section.
6. backlight module according to claim 1, it is characterised in that the quantum dot being doped in the bonding coat includes red
Light quanta point and green light quantum point.
7. backlight module according to claim 6, it is characterised in that the bonding coat includes the first sub- bonding coat and second
Sub- bonding coat, the second sub- bonding coat are located between the light guide plate and the first sub- bonding coat, the red light quantum point
It is doped in the described first sub- bonding coat, the green light quantum point is doped in the described second sub- bonding coat.
8. backlight module according to claim 6, it is characterised in that the bonding coat includes the first sub- bonding coat and second
Sub- bonding coat, the second sub- bonding coat are located between the light guide plate and the first sub- bonding coat, the green light quantum point
It is doped in the described first sub- bonding coat, the red light quantum point is doped in the described second sub- bonding coat.
9. a kind of liquid crystal display device, it is characterised in that the liquid crystal display device is included as the claims 1~8 are any
Backlight module described in, and the liquid crystal panel being arranged on the light direction of the backlight module.
10. liquid crystal display device according to claim 9, it is characterised in that the liquid crystal panel and the backlight module
Polaroid between be bonded by printing opacity glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210362.3A CN107991806A (en) | 2017-11-24 | 2017-11-24 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210362.3A CN107991806A (en) | 2017-11-24 | 2017-11-24 | Backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991806A true CN107991806A (en) | 2018-05-04 |
Family
ID=62033571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210362.3A Pending CN107991806A (en) | 2017-11-24 | 2017-11-24 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107991806A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031507A (en) * | 2018-08-15 | 2018-12-18 | 京东方科技集团股份有限公司 | Light guide plate and its manufacturing method, backlight module and display device |
| CN109739051A (en) * | 2019-02-21 | 2019-05-10 | 深圳市华星光电技术有限公司 | Quantum dot liquid crystal display |
| CN110379301A (en) * | 2019-01-11 | 2019-10-25 | 友达光电股份有限公司 | Quantum dot diaphragm assembly and preparation method thereof |
| CN111986626A (en) * | 2020-08-07 | 2020-11-24 | 深圳市华星光电半导体显示技术有限公司 | Method for calculating brightness visual angle of backlight module unknown in advance and backlight module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334660A (en) * | 2015-12-08 | 2016-02-17 | 深圳市华星光电技术有限公司 | Quantum dot polaroid |
| CN105778799A (en) * | 2014-12-23 | 2016-07-20 | Tcl集团股份有限公司 | Quantum dot optical pressure sensitive adhesive sheet, preparation method and applications thereof |
| CN106647023A (en) * | 2016-12-09 | 2017-05-10 | 深圳市华星光电技术有限公司 | Quantum dot liquid crystal display device and manufacturing method thereof |
| CN107315218A (en) * | 2017-08-31 | 2017-11-03 | 深圳市华星光电技术有限公司 | Quantum dot polaroid |
-
2017
- 2017-11-24 CN CN201711210362.3A patent/CN107991806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778799A (en) * | 2014-12-23 | 2016-07-20 | Tcl集团股份有限公司 | Quantum dot optical pressure sensitive adhesive sheet, preparation method and applications thereof |
| CN105334660A (en) * | 2015-12-08 | 2016-02-17 | 深圳市华星光电技术有限公司 | Quantum dot polaroid |
| CN106647023A (en) * | 2016-12-09 | 2017-05-10 | 深圳市华星光电技术有限公司 | Quantum dot liquid crystal display device and manufacturing method thereof |
| CN107315218A (en) * | 2017-08-31 | 2017-11-03 | 深圳市华星光电技术有限公司 | Quantum dot polaroid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031507A (en) * | 2018-08-15 | 2018-12-18 | 京东方科技集团股份有限公司 | Light guide plate and its manufacturing method, backlight module and display device |
| US10823897B2 (en) | 2018-08-15 | 2020-11-03 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Light guide plate and manufacturing method thereof, backlight module and display device |
| CN110379301A (en) * | 2019-01-11 | 2019-10-25 | 友达光电股份有限公司 | Quantum dot diaphragm assembly and preparation method thereof |
| CN109739051A (en) * | 2019-02-21 | 2019-05-10 | 深圳市华星光电技术有限公司 | Quantum dot liquid crystal display |
| CN111986626A (en) * | 2020-08-07 | 2020-11-24 | 深圳市华星光电半导体显示技术有限公司 | Method for calculating brightness visual angle of backlight module unknown in advance and backlight module |
| CN111986626B (en) * | 2020-08-07 | 2021-09-24 | 深圳市华星光电半导体显示技术有限公司 | Method for calculating brightness visual angle of backlight module unknown in advance and backlight module |
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Application publication date: 20180504 |