CN107102468A - A kind of display device and preparation method thereof - Google Patents
A kind of display device and preparation method thereof Download PDFInfo
- Publication number
- CN107102468A CN107102468A CN201710316747.1A CN201710316747A CN107102468A CN 107102468 A CN107102468 A CN 107102468A CN 201710316747 A CN201710316747 A CN 201710316747A CN 107102468 A CN107102468 A CN 107102468A
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- China
- Prior art keywords
- quantum dot
- film layer
- dot film
- display device
- substrate
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- 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.)
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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
-
- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of display device and preparation method thereof, belongs to display technology field, the problem of it can solve the purity of the backlight of existing liquid crystal display, colour gamut is all relatively low.The display device of the present invention sets quantum dot film layer on array base palte, wherein, the excitation of quantum dot film layer quantum dot light emitting material is very high, after the exciting of the light that the quantum dot film layer on array base palte is sent by backlight, and the light formation purity of backlight is high, the mixed light that colour gamut is high.In addition, after quantum dot film is accomplished in liquid crystal cell, reducing the risk that display device is damaged in assembling, transport or cutting process to quantum dot film layer.
Description
Technical field
The invention belongs to display technology field, and in particular to a kind of display device and preparation method thereof.
Background technology
Quantum dot (Quantum Dot, QD) is typically a kind of nano particle being made up of II-VI group or iii-v element,
The particle diameter of quantum dot is typically in the range of between 1~20nm, because electronics and hole are by quantum confinement, and continuous band structure becomes composition
Vertical level structure, it can launch fluorescence after being excited, and luminescent spectrum can be controlled by changing the size of quantum dot
System, and its fluorescence intensity and stability are all fine, are a kind of good electroluminescent materials, are used for electroluminescent display
In.
Inventor has found that at least there are the following problems in the prior art：The backlight of liquid crystal display (LCD) is typically used
White light is as backlight, just flat piece that existing backlight is sent and continuous white light, and its purity, colour gamut are all relatively low.
The content of the invention
The problem of present invention is directed to the purity of the backlight of existing liquid crystal display, colour gamut is all relatively low is aobvious there is provided one kind
Showing device and preparation method thereof.
Solving the technical scheme that is used of present invention problem is：
A kind of display device, including backlight and display panel, the display panel include the color membrane substrates being oppositely arranged
And array base palte；The array base palte includes substrate, and the display element on substrate, and the substrate is provided with display member
Quantum dot film layer is additionally provided with the one side of part, the quantum dot of the quantum dot film layer can be lighted after the backlight source excitation.
Preferably, the quantum dot film layer is located between the substrate and the display element.
Preferably, it is additionally provided with orientation in one side of the substrate provided with the quantum dot film layer and the display element
Layer, and the oriented layer sets compared to the quantum dot film layer and the display element further from the substrate.
Preferably, the quantum dot of the quantum dot film layer includes red quantum dot and green quantum dot, the backlight
Source for can blue light-emitting backlight.
Preferably, one side of the substrate away from the color membrane substrates is provided with down polaroid, and the color membrane substrates are remote
One side from the substrate is provided with upper polaroid.
The present invention also provides a kind of preparation method of display device, and the display device includes backlight and display panel,
The display panel includes the color membrane substrates and array base palte being oppositely arranged；The array base palte includes following preparation process：
Quantum dot film layer and display element are formed on substrate；
Wherein, the quantum dot of the quantum dot film layer can be lighted after the backlight source excitation.
Preferably, after quantum dot film layer and display element is formed, it is additionally included on the substrate and forms oriented layer
Step.
Preferably, the quantum dot film layer is formed by way of spraying.
Preferably, the quantum dot film layer is formed by way of printing.
The display device of the present invention sets quantum dot film layer on array base palte, wherein, quantum dot film layer quantum dot light emitting
The excitation of material is very high, after the exciting of the light that the quantum dot film layer on array base palte is sent by backlight, with backlight
The high mixed light of the light formation purity height in source, colour gamut.In addition, after quantum dot film is accomplished in liquid crystal cell, reducing display device
The risk damaged in assembling, transport or cutting process to quantum dot film layer.
Brief description of the drawings
Fig. 1 is the structural representation of the display device of embodiments of the invention 1；
Fig. 2, Fig. 3 are the structural representation of the display device of embodiments of the invention 2；
Fig. 4, Fig. 5 are the preparation method flow chart of the display device of embodiments of the invention 3；
Wherein, reference is：1st, backlight；2nd, display panel；21st, color membrane substrates；22nd, array base palte；23rd, substrate；
24th, display element；25th, quantum dot film layer；26th, oriented layer；27th, upper polaroid；28th, down polaroid；29th, liquid crystal.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.
Embodiment 1：
The present embodiment provides a kind of display device, as shown in figure 1, including backlight 1 and display panel 2, the display surface
Plate 2 includes the color membrane substrates 21 and array base palte 22 being oppositely arranged, and liquid crystal 29 is provided between color membrane substrates 21 and array base palte 22,
Form liquid crystal cell；The array base palte 22 is included on substrate 23, and the display element 24 on substrate 23, the substrate 23
Quantum dot film layer 25 is additionally provided with one side provided with display element 24, the quantum dot of the quantum dot film layer 25 is by the backlight
1 excite after can light.
The display device of the present embodiment sets quantum dot film layer 25 on array base palte 22, wherein, the amount of quantum dot film layer 25
The excitation of son point luminescent material is very high, the light that the quantum dot film layer 25 on array base palte 22 is sent by backlight 1
After exciting, the mixed light that purity is high, colour gamut is high is mixed to form with the light of backlight 1.In addition, quantum dot film layer 25 is accomplished into liquid crystal
After in box, the risk that display device is damaged in assembling, transport or cutting process to quantum dot film layer 25 is reduced.
Embodiment 2：
The present embodiment provides a kind of display device, as shown in Figure 2 and Figure 3, including backlight 1 and display panel 2, described aobvious
Show that panel 2 includes the color membrane substrates 21 and array base palte 22 being oppositely arranged, liquid is provided between color membrane substrates 21 and array base palte 22
Crystalline substance 29；The array base palte 22 includes substrate 23, and the display element 24 on substrate 23, and the substrate 23 is provided with aobvious
Quantum dot film layer 25 is additionally provided with the one side for showing element 24, the quantum dot film layer 25 is located at the substrate 23 and the display member
Between part 24, the quantum dot of the quantum dot film layer 25 can light after being excited by the backlight 1.
Wherein, as shown in Fig. 2 quantum dot film layer 25 is located between the substrate 23 and the display element 24, equivalent to
Quantum dot film layer 25 is first formed on substrate 23, display element 24 (such as TFT) is then formed in quantum dot film layer 25 again, this
Sample is during rear formation TFT, and the technique for being previously formed quantum dot film layer 25 does not interfere with the display devices such as TFT.
As the another embodiment in the present embodiment, as shown in figure 3, display element 24 can also be initially formed, rear shape
Into quantum dot film layer 25, the substrate 23 is additionally provided with the one side provided with the quantum dot film layer 25 and the display element 24 and taken
To layer 26, and the oriented layer 26 is set compared to the quantum dot film layer 25 and the display element 24 further from the substrate 23
Put.
The quantum dot film layer 25 that the advantage so designed is formed after being not only has luminous effect, moreover it is possible to improve array base
The flatness of the upper surface of plate 22, equivalent to the effect with planarization layer, beneficial to the orientation for improving subsequent coated orientation liquid formation
The precision of layer 26.
Preferably, the quantum dot of the quantum dot film layer 25 includes red quantum dot and green quantum dot, the back of the body
Light source 1 for can blue light-emitting backlight 1.Specifically, quantum dot be by II-VI B races (such as CdSe, CdTe, CdS, ZnSe) or
III-VA races (such as InP, InAs) element is constituted, and preferably quantum dot is made up of elements such as CdSe, CdTe.
Compared with traditional LED white light backlights, the primary colors excitation of quantum dot is very high in quantum dot film layer 25 of the invention,
It can be seen that each have obviously peak respectively in spectrogram, rather than as common LED backlight it is flat piece
, can be with and continuous white light, therefore, the backlight formed after being excited by quantum dot can form purity very high white backlight
Increase the colour gamut of liquid crystal display.
Preferably, one side of the substrate 23 away from the color membrane substrates 21 is provided with down polaroid 28, the color film
One side of the substrate 21 away from the substrate 23 is provided with upper polaroid 27.
That is, as shown in figure 3, be respectively equipped with upper polaroid 27 on lower surface on a display panel, down polaroid 28,
Wherein, compared to upper polaroid 27, down polaroid 28 is set closer to backlight.
Embodiment 3：
The present embodiment provides a kind of preparation method of display device, and the display device includes backlight 1 with reference to Fig. 2, Fig. 3
With display panel 2, the display panel 2 includes the color membrane substrates 21 and array base palte 22 being oppositely arranged；As shown in figure 4, described
Array base palte 22 includes following preparation process：
S01, spray or printing by way of quantum dot film layer 25 is formed on substrate 23；Wherein, the quantum dot film
The quantum dot of layer 25 can light after being excited by the backlight 1.
S02, the formation display element 24 in quantum dot film layer 25.
S03, the formation oriented layer 26 on the display element 24.
Or, as shown in figure 5, the array base palte 22 includes following preparation process：
S01, the formation display element 24 on substrate 23.
S02, spray or printing by way of quantum dot film layer 25 is formed on display element 24；Wherein, the quantum
The quantum dot of point film layer 25 can light after being excited by the backlight 1.
S03, the formation oriented layer 26 in the quantum dot film layer 25.
Obviously, also many modifications may be made to for the embodiment of the various embodiments described above；For example：Quantum dot film layer it is specific
Material can be selected as needed, and the thickness of quantum dot film layer can be adjusted according to actual product.
Embodiment 4：
Present embodiments provide a kind of display device, the structure class of the display device of the display device and above-described embodiment
Seemingly, it can be：Liquid crystal display panel, Electronic Paper, mobile phone, tablet personal computer, television set, display, notebook computer, digital phase
Any product or part with display function such as frame, navigator.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a kind of display device, including backlight and display panel, the display panel include the color membrane substrates being oppositely arranged and
Array base palte；Characterized in that, the array base palte is included on substrate, and the display element on substrate, the substrate
Quantum dot film layer is additionally provided with one side provided with display element, the quantum dot of the quantum dot film layer is by after the backlight source excitation
It can light.
2. display device according to claim 1, it is characterised in that the quantum dot film layer located at the substrate with it is described
Between display element.
3. display device according to claim 1, it is characterised in that the substrate is provided with the quantum dot film layer and described
It is additionally provided with oriented layer in the one side of display element, and the oriented layer is compared to the quantum dot film layer and the display element more
Set away from the substrate.
4. display device according to claim 1, it is characterised in that the quantum dot of the quantum dot film layer includes red
Quantum dot and green quantum dot, the backlight for can blue light-emitting backlight.
5. display device according to claim 1, it is characterised in that in one side of the substrate away from the color membrane substrates
Provided with down polaroid, one side of the color membrane substrates away from the substrate is provided with upper polaroid.
6. a kind of preparation method of display device, the display device includes backlight and display panel, the display panel bag
Include the color membrane substrates and array base palte being oppositely arranged；Characterized in that, the array base palte includes following preparation process：
Quantum dot film layer and display element are formed on substrate；
Wherein, the quantum dot of the quantum dot film layer can be lighted after the backlight source excitation.
7. the preparation method of display device according to claim 6, it is characterised in that forming quantum dot film layer and display
After element, the step of forming oriented layer on the substrate is additionally included in.
8. the preparation method of display device according to claim 6, it is characterised in that the quantum dot film layer passes through spraying
Mode formed.
9. the preparation method of display device according to claim 6, it is characterised in that the quantum dot film layer passes through printing
Mode formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316747.1A CN107102468A (en) | 2017-05-08 | 2017-05-08 | A kind of display device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316747.1A CN107102468A (en) | 2017-05-08 | 2017-05-08 | A kind of display device and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107102468A true CN107102468A (en) | 2017-08-29 |
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ID=59668713
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316747.1A Pending CN107102468A (en) | 2017-05-08 | 2017-05-08 | A kind of display device and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845468A (en) * | 2018-07-17 | 2018-11-20 | 南京中电熊猫平板显示科技有限公司 | A kind of manufacturing method of quantum dot array substrate, display panel and array substrate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100079704A1 (en) * | 2008-10-01 | 2010-04-01 | Samsung Electronics Co., Ltd. | Liquid crystal display |
| CN103293745A (en) * | 2013-05-17 | 2013-09-11 | 北京京东方光电科技有限公司 | Liquid crystal display screen, display device and preparation method of single-color quantum dot layers |
| CN103730472A (en) * | 2013-12-25 | 2014-04-16 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method of array substrate and display device |
| CN105185790A (en) * | 2015-09-24 | 2015-12-23 | 深圳市华星光电技术有限公司 | Array substrate and manufacturing method thereof |
-
2017
- 2017-05-08 CN CN201710316747.1A patent/CN107102468A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100079704A1 (en) * | 2008-10-01 | 2010-04-01 | Samsung Electronics Co., Ltd. | Liquid crystal display |
| CN103293745A (en) * | 2013-05-17 | 2013-09-11 | 北京京东方光电科技有限公司 | Liquid crystal display screen, display device and preparation method of single-color quantum dot layers |
| CN103730472A (en) * | 2013-12-25 | 2014-04-16 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method of array substrate and display device |
| CN105185790A (en) * | 2015-09-24 | 2015-12-23 | 深圳市华星光电技术有限公司 | Array substrate and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845468A (en) * | 2018-07-17 | 2018-11-20 | 南京中电熊猫平板显示科技有限公司 | A kind of manufacturing method of quantum dot array substrate, display panel and array substrate |
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Application publication date: 20170829 |