CN108459435A - A kind of liquid crystal display using quantum dot light emitting - Google Patents
A kind of liquid crystal display using quantum dot light emitting Download PDFInfo
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- CN108459435A CN108459435A CN201810055432.0A CN201810055432A CN108459435A CN 108459435 A CN108459435 A CN 108459435A CN 201810055432 A CN201810055432 A CN 201810055432A CN 108459435 A CN108459435 A CN 108459435A
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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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/115—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
-
- 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 liquid crystal display using quantum dot light emitting, including face polaroid, liquid crystal cell, bottom polaroid and quantum dot light emitting plate, the face polaroid is arranged in the top of liquid crystal cell, quantum dot light emitting plate is arranged is provided with bottom polaroid between the lower section of liquid crystal cell, the quantum dot light emitting plate and liquid crystal cell；The quantum dot light emitting plate includes sealing frame, brightness enhancement film and quanta point material layer, and the quanta point material layer is arranged in sealing frame, and brightness enhancement film is provided with above sealing frame；The quanta point material layer includes AI electrodes, electron transfer layer, quantum dot light emitting layer, hole transmission layer, ITO electrode and pet substrate, the left and right side of the isolation board is respectively arranged with ITO electrode, AI electrodes, electron transfer layer, quantum dot light emitting layer and hole transmission layer are stacked gradually in ITO electrode on the left of isolation board from top to bottom, one end of the AI electrodes extends and is connected with the ITO electrode on the right side of isolation board.Electroluminescent is carried out using quantum dot material layer, reduces short circuit phenomenon.
Description
Technical field
The present invention relates to liquid crystal display fields, and in particular to a kind of liquid crystal display using quantum dot light emitting.
Background technology
Liquid crystal display by continuous development, by be initially only able to display simple blackaandawhite characterumay figure TN STN type liquid
Crystal display can show various pictures abundant in content, with bright-coloured color effect to the TFT type liquid crystal displays of current mainstream
Face.With popularizing for liquid crystal display applications, TFT types liquid crystal display is due to fast-response time and high image quality
Display effect liked that however due to its complex manufacturing technology, cost is higher by consumers in general, only more quilt at present
For high-end consumption electronic product.
Current requirement of the digital product to LCD MODULE increasingly increases, however consumer is for the product of high value
Have higher quality requirements accordingly, the requirement for wide viewing angle and contrast be also it is higher and higher, visual angle it is each to different
Property and relatively narrow angular field of view be all the time liquid crystal display main weakness, and hinder liquid crystal display development master
Want factor；And current more TFT LCD still has a defect in some display effects, such as from not Tongfang up and down
When to view, background background color is inconsistent, has light leakage phenomena at some visual angles, contrast can be deteriorated, and seriously affect liquid crystal
The display effect of display brings bad usage experience to consumer, therefore, it is necessary to TFT LCD at visual angle and
Make further to improve in terms of background background color, to promote the performance of product.
Further more, it is simple glass, active layer (PVK and CdSe/ that the structure of general quanta point electroluminescent device, which is substrate,
The mixed film of ZnS quantum dot) it is clipped between anode (ITO) and cathode (AI).But there is problems with for this structure：
When to device frame bias voltage, it is clipped in AI electrodes and ITO electrode with two metal holders, in this case, due to entire device
Only hundreds of rans, the metal clip being clipped on AI electrodes just readily penetrate through the thickness (being free of glass substrate) of part film
AI electrode films, or even active layer is penetrated, directly it has been connected in ITO electrode, and another metal clip is also to be connected on ITO electrode
On, this has resulted in the short circuit of entire device, influences the service life of display screen.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is intended to provide a kind of quantum with high contrast, wide viewing angle
The luminous liquid crystal display of point carries out electroluminescent using quantum dot material layer, reduces short circuit phenomenon, and that improves display screen uses the longevity
Life；The light source part in backlight is omitted simultaneously, the overall volume of display screen can be effectively reduced.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of liquid crystal display using quantum dot light emitting, including face polaroid, liquid crystal cell, bottom polaroid and quantum dot hair
Tabula rasa, the face polaroid are arranged in the top of liquid crystal cell, and quantum dot light emitting plate is arranged in the lower section of liquid crystal cell, the quantum dot
Bottom polaroid is provided between luminescent screen and liquid crystal cell；The quantum dot light emitting plate includes sealing frame, brightness enhancement film and quantum dot material
The bed of material, the quanta point material layer are arranged in sealing frame, and inert gas, the top setting of sealing frame are passed through in the sealing frame
There is brightness enhancement film；The quanta point material layer includes AI electrodes, electron transfer layer, quantum dot light emitting layer, hole transmission layer, ITO
Electrode and pet substrate are provided with isolation board straight up, the left and right side difference of the isolation board on the pet substrate
It is provided with ITO electrode, has stacked gradually AI electrodes, electron transfer layer, quantum dot in the ITO electrode on the left of isolation board from top to bottom
One end of luminescent layer and hole transmission layer, the AI electrodes extends and is connected with the ITO electrode on the right side of isolation board, plays the work of cathode
With the interactive portion of AI electrodes and left side ITO electrode in vertical direction is the active region of quanta point material layer；Left side and the right side
The ITO electrode of side accompanies metal clip respectively, and electric energy is provided for quantum dot light emitting layer.
Further, the oxygen barrier SiO2 coatings to block water are also coated on the inside of the sealing frame.
Further, the brightness enhancement film includes one layer of dual brightness enhancement film (DBEF) and one layer of ultra micro away from polycrystal knot
Structure brightness enhancement film (BEF), the dual brightness enhancement film (DBEF) and ultra micro are set gradually away from polycrystalline structure brightness enhancement film (BEF)
Above sealing frame；The light transmission shaft of the light transmission shaft and bottom polaroid of the dual brightness enhancement film (DBEF) is parallel to each other.
Further, the liquid crystal cell includes surface glass substrate, liquid crystal layer and bottom glass substrate, the face polarizer sheet sticking
In the top of surface glass substrate, the face polaroid include anti-reflection coating, Anti Glare Coatings, Triafol T (TAC) and
Polyvinyl alcohol (PVA)；The anti-reflection coating and Anti Glare Coatings coating are successively in the upper table of upper layer Triafol T (TAC)
Face, polyvinyl alcohol (PVA) are located between two layers of Triafol T (TAC)；The medial surface of the surface glass substrate is provided with coloured silk
Color filter coating；The bottom of at, the medial surface of glass substrate is provided with pixel electrode；The liquid crystal layer is set to color filter film and pixel
Between electrode.
Further, the pixel electrode is set as horizontal cross grid strip structure, the grizzly bar orientation of pixel electrode
It is consistent with the orientation of the liquid crystal molecule in liquid crystal cell.
Further, the color filter film is designed using low latency amount, and retardation design value is set smaller than 3nm；Institute
The retardation for stating liquid crystal layer is set as 300~370nm.
Further, the bottom polaroid includes Triafol T (TAC), polyvinyl alcohol (PVA), optical compensation films；
Wherein polyvinyl alcohol (PVA) is located between two layers of Triafol T (TAC), and optical compensation films are located at Triafol T
(TAC) between the glass substrate of bottom.
Further, the optical compensation value of the optical compensation films is set as 270nm, the refraction of optical compensation films z-axis direction
Rate is set as Nz=0.5.
Further, the direction of the extinction axis of the face polaroid and pixel electrode is at less than 45° angle, and with non-energized feelings
The long axis direction of liquid crystal molecule under condition is parallel；The extinction axis of the bottom polaroid and the direction of pixel electrode at more than 45° angle,
And it is vertical with the long axis direction of liquid crystal molecule in the case of non-energized.
The beneficial effects of the present invention are：
Electroluminescent is carried out using quantum dot material layer, short circuit phenomenon is reduced, improves the service life of display screen；It saves simultaneously
The light source part in backlight has been omited, the overall volume of display screen can be effectively reduced；It is provided with blast above the sealing frame
Film is substituted the optical micro/nano structure in the production of quantum dot film, improves the surface brightness of quantum dot light emitting plate, leads in sealing frame
Enter inert gas and be coated with SiO2 coatings, is avoided that steam and oxygen generate destruction to quantum dot surface itself, leads to fluorescence
Quenching.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is quantum dot light emitting plate structure schematic diagram；
Fig. 3 is face polaroid structure schematic diagram；
Fig. 4 is bottom polaroid structure schematic diagram；
Fig. 5 is pixel electrode design diagram.
Reference numeral：1, face polaroid；101, anti-reflection coating；102, Anti Glare Coatings；103, Triafol T
(TAC)；104, polyvinyl alcohol (PVA)；2, surface glass substrate；3, color filter film；4, liquid crystal layer；5, pixel electrode；6, bottom glass
Glass substrate；7, bottom polaroid；701, optical compensation films；8, quanta point material layer；801, brightness enhancement film；802, sealing frame；803、AI
Electrode；804, electron transfer layer；805, quantum dot light emitting layer；806, hole transmission layer；807, ITO electrode；808, pet substrate；
809, isolation board.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further：
As shown in Figure 1, a kind of liquid crystal display using quantum dot light emitting, including face polaroid 1, liquid crystal cell, bottom polarisation
Piece 7 and quantum dot light emitting plate, the face polaroid 1 are arranged in the top of liquid crystal cell, and quantum dot light emitting plate is arranged in liquid crystal cell
Lower section is provided with bottom polaroid 7 between the quantum dot light emitting plate and liquid crystal cell；The quantum dot light emitting plate includes sealing frame
802, brightness enhancement film 801 and quanta point material layer 8, the quanta point material layer 8 are arranged in sealing frame 802, the sealing frame 802
It is inside passed through inert gas, the effect of sealing frame 802 is to isolate quanta point material layer 8 and extraneous air, in sealing frame 802
While being inside passed through inert gas, the air in sealing frame 802 is discharged, can effectively prevent extraneous oxygen and steam to quantum
The surface of point generates destruction.802 inside of the sealing frame is also coated with the oxygen barrier SiO2 coatings to block water, and oxygen is further isolated
And steam, improve the service life of quantum dot.
The top of the sealing frame 802 is provided with brightness enhancement film 801；The brightness enhancement film 801 includes that one layer of reflecting type polarizing increases
Bright film (DBEF) and one layer of ultra micro are away from polycrystalline structure brightness enhancement film (BEF), the dual brightness enhancement film (DBEF) and ultra micro
It is successively set on 802 top of sealing frame away from polycrystalline structure brightness enhancement film (BEF)；The dual brightness enhancement film (DBEF) it is saturating
The light transmission shaft of optical axis and bottom polaroid 7 is parallel to each other.Ultra micro has focusing light effect away from polycrystalline structure brightness enhancement film (BEF), can be with
Backlight surface brightness is set to increase by 60%, the light transmission shaft of dual brightness enhancement film (DBEF) is parallel with the light transmission shaft of bottom polaroid 7,
The light source that quantum dot light emitting plate is sent out is passed to along the light transmission axis direction of bottom polaroid 7 in liquid crystal cell, passes through selective reflecting amount
The light that son point luminescent screen is sent out, makes it not absorbed by bottom polaroid 7 so that the part light of display screen full view is able to again sharp
With, increase the brightness of incident light, corresponding liquid crystal display surface brightness can also increase, so improve liquid crystal display it is whole thoroughly
Cross rate.
As shown in Fig. 2, the quanta point material layer 8 includes AI electrodes 803, electron transfer layer 804, quantum dot light emitting layer
805, hole transmission layer 806, ITO electrode 807 and pet substrate 808 are provided with isolation straight up on the pet substrate 808
The left and right side of plate 809, the isolation board 809 is respectively arranged with ITO electrode 807, the ITO electrode 807 in 809 left side of isolation board
On stacked gradually AI electrodes 803, electron transfer layer 804, quantum dot light emitting layer 805 and hole transmission layer 806, institute from top to bottom
The one end for stating AI electrodes 803 extends and is connected with the ITO electrode 807 on 809 right side of isolation board, plays cathode, AI electrodes 803
With the active region that the interactive portion of left side ITO electrode 807 in vertical direction is quanta point material layer 8；Left and right side
ITO electrode 807 accompanies metal clip respectively, and metal clip is directly sandwiched in respectively in two sseparated ITO electrodes 807, is sent out for quantum dot
Photosphere 805 provides electric energy.When metal clip is powered, one end of AI electrodes 803 extends the ITO electrode 807 with 809 right side of isolation board
It is connected and plays the role of cathodic process, and the ITO electrode 807 in 809 left side of isolation board plays anode so that electrons and holes are distinguished
It is transported in electron transfer layer 804 and hole transmission layer 806, transports in quantum dot light emitting layer 805, quantum dot is swashed
Hair generates light source, can effectively avoid causing quanta point material layer 8 short-circuit because metal clip penetrates film, influence the use of display screen
Service life.
Quanta point material layer 8 provides light source for liquid crystal cell, and quanta point material layer 8 uses electroluminescent, reduces general aobvious
Light emitting diode in display screen in backlight lowers the overall volume of display screen.It is adopted while using quanta point electroluminescent
With brightness enhancement film 801, increase contrast by improving brightness so that the color effect of display screen is more rich, improves the clear of image
Clear degree.
Wherein, the liquid crystal cell includes surface glass substrate 2, liquid crystal layer 4 and bottom glass substrate 6, and the face polaroid 1 attaches
In the top of surface glass substrate 2, as shown in figure 3, the face polaroid 1 includes anti-reflection coating 101, Anti Glare Coatings 102, three
Cellulose acetate (TAC) 103 and polyvinyl alcohol (PVA) 104；The anti-reflection coating 101 and the coating of Anti Glare Coatings 102 are successively
The upper surface of Triafol T (TAC) 103 on upper layer, polyvinyl alcohol (PVA) 104 are located at two layers of Triafol T (TAC)
Between 103；The main function of the anti-reflection coating 101 and Anti Glare Coatings 102 is to make display screen under strong illumination environment
It can also be observed that and clearly indicate effect.The medial surface of the surface glass substrate 2 is provided with color filter film 3；The colored filter
Light film 3 is designed using low latency amount, and retardation design value is set smaller than 3nm；The retardation of the liquid crystal layer 4 is set as 300
~370nm, retardation used by the present embodiment intermediate liquid crystal layer 4 are 330nm, coordinate the optical compensation films on bottom polaroid 7
701, the visible angle of display screen can be made to be largely increased.The bottom of at, the medial surface of glass substrate 6 is provided with pixel electrode 5；
The pixel electrode 5 is set as horizontal cross grid strip structure, as shown in figure 5, the orientation side of its grizzly bar orientation liquid crystal cell
Also consistent with the orientation of liquid crystal molecule to consistent, in energization, horizontal cross grid strip-like design can make liquid crystal point
Son can form different angles at multidomain direction aligned twisted, long axis of liquid crystal molecule direction from incident direction of polarized light, from
And the polarization state of incident polarized light can be changed so that light can be formed illuminated state and shown by face polaroid 1.The liquid crystal
Layer 4 is set between color filter film 3 and pixel electrode 5.
The extinction axis of the face polaroid 1 and the direction of pixel electrode 5 at less than 45° angle, and with it is non-energized in the case of
The long axis direction of liquid crystal molecule is parallel；The extinction axis of the bottom polaroid 7 and the direction of pixel electrode 5 at more than 45° angle, and with
The long axis direction of liquid crystal molecule in the case of non-energized is vertical.
As shown in figure 4, the bottom polaroid 7 includes Triafol T (TAC) 103, and polyvinyl alcohol (PVA) 104, optics
Compensation film 701；Wherein polyvinyl alcohol (PVA) 104 is located between two layers of Triafol T (TAC) 103, optical compensation films 701
Between Triafol T (TAC) 103 and bottom glass substrate 6.The bottom polaroid 7 is a kind of compound film, is dissipated
Penetrate light source becomes the polarised light of single direction after bottom polaroid 7, and adjustment polaroid angle can change incident liquid crystal cell
The centre in the direction of polarised light, bottom polaroid 7 includes one layer of optical compensation films 701, the optical compensation of the optical compensation films 701
Value is set as 270nm, and the z-axis direction refractive index of optical compensation films 701 is set as Nz=0.5；The effect of optical compensation films 701 is
Phase difference is compensated, the optical compensation value of this compensation film and the retardation values of the liquid crystal layer 4 in liquid crystal cell are complementary to one another, to widen liquid
Visible angle in crystal display screen all directions improves display effect.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of liquid crystal display using quantum dot light emitting, which is characterized in that including face polaroid, liquid crystal cell, bottom polaroid
With quantum dot light emitting plate, the face polaroid is arranged in the top of liquid crystal cell, and quantum dot light emitting plate is arranged in the lower section of liquid crystal cell,
It is provided with bottom polaroid between the quantum dot light emitting plate and liquid crystal cell；The quantum dot light emitting plate includes sealing frame, brightness enhancement film
With quanta point material layer, the quanta point material layer is arranged in sealing frame, and inert gas, sealing frame are passed through in the sealing frame
Top be provided with brightness enhancement film；The quanta point material layer includes AI electrodes, electron transfer layer, quantum dot light emitting layer, hole
Transport layer, ITO electrode and pet substrate are provided with isolation board straight up, the left side of the isolation board on the pet substrate
It is respectively arranged with ITO electrode with right side, has stacked gradually AI electrodes in the ITO electrode on the left of isolation board from top to bottom, electronics passes
Defeated layer, quantum dot light emitting layer and hole transmission layer, one end of the AI electrodes extend and with the ITO electrode phase on the right side of isolation board
Even, play cathode, the interactive portion of AI electrodes and left side ITO electrode in vertical direction is the activity of quanta point material layer
Region；The ITO electrode of left and right side accompanies metal clip respectively, and electric energy is provided for quantum dot light emitting layer.
2. the liquid crystal display according to claim 1 using quantum dot light emitting, which is characterized in that on the inside of the sealing frame
It is also coated with the oxygen barrier SiO2 coatings to block water.
3. the liquid crystal display according to claim 1 using quantum dot light emitting, which is characterized in that the brightness enhancement film includes
Away from polycrystalline structure brightness enhancement film (BEF), the reflecting type polarizing increases for one layer of dual brightness enhancement film (DBEF) and one layer of ultra micro
Bright film (DBEF) and ultra micro are successively set on away from polycrystalline structure brightness enhancement film (BEF) above sealing frame；The reflecting type polarizing increases
The light transmission shaft of the light transmission shaft and bottom polaroid of bright film (DBEF) is parallel to each other.
4. the liquid crystal display according to claim 1 using quantum dot light emitting, which is characterized in that the liquid crystal cell includes
Surface glass substrate, liquid crystal layer and bottom glass substrate, the face polarizer sheet sticking is in the top of surface glass substrate, the face polaroid
Including anti-reflection coating, Anti Glare Coatings, Triafol T (TAC) and polyvinyl alcohol (PVA)；The anti-reflection coating and anti-
For the coating of dazzle coating successively in the upper surface of upper layer Triafol T (TAC), it is fine that polyvinyl alcohol (PVA) is located at two layers of three acetic acid
Between dimension plain (TAC)；The medial surface of the surface glass substrate is provided with color filter film；The medial surface setting of the glass substrate bottom of at
There is pixel electrode；The liquid crystal layer is set between color filter film and pixel electrode.
5. the liquid crystal display according to claim 4 using quantum dot light emitting, which is characterized in that the pixel electrode is set
It is set to horizontal cross grid strip structure, the orientation one of the grizzly bar orientation and the liquid crystal molecule in liquid crystal cell of pixel electrode
It causes.
6. the liquid crystal display according to claim 4 using quantum dot light emitting, which is characterized in that the color filter film
It is designed using low latency amount, retardation design value is set smaller than 3nm；The retardation of the liquid crystal layer is set as 300~
370nm。
7. the liquid crystal display according to claim 1 using quantum dot light emitting, which is characterized in that the bottom polaroid packet
Include Triafol T (TAC), polyvinyl alcohol (PVA), optical compensation films；Wherein polyvinyl alcohol (PVA) is located at two layers of three acetic acid
Between cellulose (TAC), optical compensation films are located between Triafol T (TAC) and bottom glass substrate.
8. the liquid crystal display according to claim 7 using quantum dot light emitting, which is characterized in that the optical compensation films
Optical compensation value be set as 270nm, optical compensation films z-axis direction refractive index is set as Nz=0.5.
9. the liquid crystal display according to claim 1 or 4 using quantum dot light emitting, which is characterized in that face polarisation
The extinction axis of piece and the direction of pixel electrode at less than 45° angle, and with it is non-energized in the case of liquid crystal molecule long axis direction it is flat
Row；The extinction axis of the bottom polaroid and the direction of pixel electrode at more than 45° angle, and with it is non-energized in the case of liquid crystal molecule
Long axis direction it is vertical.
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Cited By (3)
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| CN109581572A (en) * | 2018-12-17 | 2019-04-05 | 深圳市华星光电技术有限公司 | A kind of quantum dot polaroid |
| CN109765726A (en) * | 2019-03-27 | 2019-05-17 | 合肥京东方光电科技有限公司 | Quantum dot film, preparation method, backlight module, driving method and display device |
| CN110703484A (en) * | 2019-09-03 | 2020-01-17 | 深圳市华星光电技术有限公司 | Quantum dot display |
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| CN109765726B (en) * | 2019-03-27 | 2022-09-02 | 合肥京东方光电科技有限公司 | Quantum dot film, preparation method, backlight module and driving method |
| CN110703484A (en) * | 2019-09-03 | 2020-01-17 | 深圳市华星光电技术有限公司 | Quantum dot display |
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