CN109755413A - A kind of display panel and preparation method thereof - Google Patents
A kind of display panel and preparation method thereof Download PDFInfo
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- CN109755413A CN109755413A CN201910039676.4A CN201910039676A CN109755413A CN 109755413 A CN109755413 A CN 109755413A CN 201910039676 A CN201910039676 A CN 201910039676A CN 109755413 A CN109755413 A CN 109755413A
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- array substrate
- membrane substrates
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Abstract
The invention discloses a kind of display panel and preparation method thereof, the display panel includes array substrate；Color membrane substrates are oppositely arranged with the array substrate；One filled layer is filled between the array substrate and the color membrane substrates, has quanta point material in the filled layer；The one side of the array substrate towards the color membrane substrates is equipped with LED device.The beneficial effects of the present invention are display panels of the invention and preparation method thereof, and quanta point material is added in filled layer, by the colour gamut for improving display panel entirety the characteristics of quantum dot higher color saturation degree itself；Three laminated construction in the prior art is replaced using single layer structure, process is saved while improving output.
Description
Technical field
The present invention relates to luminescence display field, in particular to a kind of display panel and preparation method thereof.
Background technique
It is aobvious that Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is also known as organic electric laser
Show, organic luminous semiconductor.Organic light-emitting diode display technology have self-luminous, wide viewing angle, almost infinite high contrast,
The advantages that compared with low power consumption, high reaction speed.
The selfluminous elements such as Organic Light Emitting Diode have self-luminous at present, and visual angle is wide, and the service life is long, energy conservation and environmental protection, colour gamut
The features such as wide, organic light emitting diode display is quickly grown with illuminating industry at present, it has also become important display design.
Main Organic Light Emitting Diode product is divided into two classes: Organic Light Emitting Diode and the organic hair of white light in society at present
Optical diode.White organic LED is mainly used in large scale organic LED panel because do not need using
Light shield, so more advantageous in volume production.
The common structure of white organic LED is as shown in Figure 1, push up light emitting structure, generally to ensure light out at present
Uniformity, which can generally add filler, keeps face inner box thick uniformly.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of display panels and preparation method thereof, existing to solve
Usually require to make three-decker in technology in array substrate to obtain white light, processing procedure complex procedures, quantum of output is few to ask
Topic.
The technical solution to solve the above problems is: the present invention provides a kind of display panels, including array substrate；Color film base
Plate is oppositely arranged with the array substrate；One filled layer is filled between the array substrate and the color membrane substrates, described
There is quanta point material in filled layer；The one side of the array substrate towards the color membrane substrates is equipped with LED device.
Further, the display panel further includes bumping post, and the bumping post is supported in the array substrate and the color film
Between substrate；Barrier layer covers on the LED device.
Further, the display panel further includes viewing area, in the viewing area have several pixel unit regions and
Around the non-pixel unit region in the pixel unit region, the filled layer is correspondingly arranged in the pixel unit region；With
And barrier wall structure, it is set between the array substrate and the color membrane substrates, the barrier wall structure is located at non-pixel unit region
In and surround the pixel unit region.
Further, in the viewing area, the one side of the color membrane substrates towards the array substrate is equipped with black square
Battle array layer and the color blocking layer in the black-matrix layer；The position of the black-matrix layer corresponds to the barrier wall structure.
Further, the corresponding barrier wall structure in each pixel unit region, is surrounded by several segments wall, adjacent two sections of walls
Between have gap, the gap width is between 1um~50um.
Further, there is aperture or fluting, to be connected to this on the barrier wall structure between two adjacent pixel unit regions
Two pixel unit regions, the aperture or groove depth and width are between 1um~50um.
Further, in the filled layer, the quanta point material includes red quantum dot material, green quanta point material
With blue quanta point material；The LED device is ultraviolet LED device；Or the quantum dot includes red
Color quantum dot and green quantum dot；The LED device is blue LED device.
Further, the material of the barrier layer is that silicon nitride, carbonitride of silicium, silica, aluminium oxide, aluminium nitride etc. are inorganic
At least one of material, with a thickness of 0.5um~1um.
Further, the material of the quantum dot includes cadmium sulfide, cadmium selenide, cadmium telluride, zinc sulphide, zinc selenide, telluride
Zinc, GaAs, gallium phosphide, GaAs, gallium antimonide, mercuric sulphide, mercury selenide, telluride mercury, indium arsenide, indium phosphide, indium antimonide, arsenic
At least one of aluminium, arsenic phosphide, aluminium antimonide.
The present invention also provides a kind of preparation methods of display panel, including S1) array substrate and color membrane substrates are provided；
S2) LED device is made in the array substrate；S3) one layer of barrier is made on the LED device surface
Layer；S4 black-matrix layer and color blocking layer) are made on the color membrane substrates；S5) the black-matrix layer on the color membrane substrates
It is upper to make barrier wall structure using silk-screen printing, hectographic printing or coating exposure development processing procedure；S6 it) is coated on the color membrane substrates
Quanta point material is distributed in the filled layer in UV glue and filled layer；S7) in vacuum pressing-combining equipment, the coloured silk is assembled
Ilm substrate and the array substrate.
The invention has the advantages that display panel of the invention, is filled by adding between the color membrane substrates of array substrate
Layer is so that display surface plate face inner box is thick uniformly；Quanta point material is added in filled layer, it is full by quantum dot higher color itself
With the colour gamut for improving display panel entirety the characteristics of spending；Three laminated construction in the prior art is replaced using single layer structure, is saved
Process improves output simultaneously；It is covered on LED device and obstructs water oxygen on barrier layer raising LED device
Ability；Barricade is added in color membrane substrates and the non-display area of array substrate, on the one hand can reduce light due to quantum dot
On the other hand light leakage phenomena caused by scattering can also obstruct water oxygen, improve the service life of quantum dot, while can also reduce to aobvious
Show the influence of panel aperture ratio；Gap is reserved on barricade or opens up aperture to make the filled layer inside pixel region circulate,
To make quantum dot be uniformly distributed in each subpixel area.The production method of display panel of the invention is used in color membrane substrates
Then upper production barricade and addition filled layer are combined with array substrate, more convenient obtains final display panel.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples.
Fig. 1 is the display panel overall schematic in embodiment 1.
Fig. 2 is viewing area schematic diagram in embodiment 1.
Fig. 3 is the display panel overall schematic in embodiment 2.
Fig. 4 is viewing area schematic diagram in embodiment 2.
Fig. 5 is that array substrate forms LED device schematic diagram in embodiment 3.
Fig. 6 is that array substrate forms barrier layer schematic diagram in embodiment 3.
Fig. 7 is that color membrane substrates form black-matrix layer and color blocking layer schematic diagram in embodiment 3.
Fig. 8 is that color membrane substrates form barricade schematic diagram in embodiment 3.
Fig. 9 is that color membrane substrates add the filled layer schematic diagram containing quantum dot in embodiment 3.
In figure
10 display panels；110 array substrates；
120 color membrane substrates；130 filled layers；
140 LED devices；150 barrier wall structures；
160 bumping posts；121 viewing areas；
1211 pixel unit regions；1212 non-pixel unit regions；
122 black-matrix layers；123 color blocking layers；
131 quanta point materials；141 barrier layers；
151 walls；152 gaps；
153 apertures；
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.Direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom" etc. are only
With reference to the direction of annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, rather than to limit this hair
It is bright.
Embodiment 1
As shown in Figure 1, display panel 10 of the invention includes array substrate 110, color membrane substrates 120, filling in this implementation
Layer 130, LED device 140, barrier wall structure 150 and bumping post 160.
The array substrate 110 is oppositely arranged with the color membrane substrates 120, and the relatively described coloured silk of the array substrate 110
The one side of ilm substrate 120 is equipped with the LED device 140 to generate light source.
Be covered with one layer of barrier layer 141 on the LED device 140, the material of the barrier layer 141 be silicon nitride,
At least one of inorganic material such as carbonitride of silicium, silica, aluminium oxide, aluminium nitride, with a thickness of 0.5um~1um.The resistance
The ability that interlayer 141 obstructs water oxygen to promote the LED device 140.
The bumping post 160 is supported between the array substrate 110 and the color membrane substrates 120, for obstructing water oxygen, nothing
Additional encapsulated layer is needed to ensure the service life of the quanta point material 131.
As shown in Fig. 2, the color membrane substrates 120 further include viewing area 121, the viewing area 121 has several pixel lists
First region 1211 and non-pixel unit region 1212 around the pixel unit region 1211, in the viewing area 121, institute
The one side for stating color membrane substrates 120 towards the array substrate 110 is equipped with black-matrix layer 122 and is set to the black-matrix layer
Color blocking layer 123 in 122, the color blocking layer 123 include red color resistance, green color blocking and blue color blocking.
The filled layer 130 is filled between the array substrate 110 and the color membrane substrates 120 to keep face inner box thick
Uniformly, while in order to promote the colour gamut degree of 10 light-emitting surface of display panel, in the present embodiment, the present invention is in the filled layer
Quanta point material 131 is added in 130, conventional use of filler spout radius is about 0.3mm, and quantum dot size generally exists
10nm is hereinafter, the shown quanta point material 131 can be spued, and the higher color saturation having due to quantum dot itself
Degree, the whole color of the display panel 10 can greatly be improved by adding the quanta point material 131 in the filled layer 130
Domain.
Specifically, the quanta point material 131 includes red quantum dot material, green quanta point material in the present embodiment
With blue quanta point material, material include cadmium sulfide, cadmium selenide, cadmium telluride, zinc sulphide, zinc selenide, zinc telluridse, GaAs,
Gallium phosphide, GaAs, gallium antimonide, mercuric sulphide, mercury selenide, telluride mercury, indium arsenide, indium phosphide, indium antimonide, aluminium arsenide, arsenic phosphide,
At least one of aluminium antimonide.
The LED device 140 uses ultraviolet LED device, at this point, the LED device
140 ultraviolet lights issued form final white light via the quanta point material 131 scattering.
However, the ultraviolet light that the LED device 140 issues can be led via the quanta point material 131 scattering
Neighbouring non-pixel unit region 1212 is caused light leakage phenomena occur, in order to solve this problem, in the present embodiment, institute of the invention
It states barrier wall structure 150 to be set between the array substrate 110 and the color membrane substrates 120, the barricade 150 is flat rectangle
Barricade and be located at the non-pixel unit region 1212 in and surround the pixel unit region 1211, the barrier wall structure 150
It is fallen completely in the black-matrix layer 122 in the projection on the color membrane substrates 120, design in this way can be reduced to display surface
The influence of 10 aperture opening ratio of plate.
Since the filled layer 130 is liquid drier, and the quanta point material 131 is distributed in the filled layer in a jumble
In 130, in order to flow the filled layer 130 in the pixel unit region 1211, in the present embodiment, of the invention is described
Barrier wall structure 150 is formed including several walls 151, has gap 152 between the adjacent wall 151, the gap 152 is set to
Four corners in each pixel unit region 1211, the width of the wall are less than the width in the pixel unit region 1211
Degree, the width in the gap 152 is in 1um between 50um, and general quantum dot size is in 10nm hereinafter, so gap
152 therefrom flow for the quanta point material 131 completely.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment and embodiment 1 the difference lies in that the closing of the barrier wall structure 150 around
The pixel unit region 1211, and there is aperture 153 on the adjacent barrier wall structure 150, the aperture be it is semicircle or
Arc, depth and width are 1um to 50um, and the aperture 153 is connected to the two neighboring pixel unit region 1211, are used
So that the filled layer 130 in the pixel unit region 1211 is circulated by the aperture 153, the institute in the filled layer 130
Stating quanta point material 131 can uniformly be distributed in each pixel unit region 1211.
Embodiment 3
The present embodiment and 2 structure of embodiment are substantially similar, the difference lies in that the quanta point material 131 includes amount of red
Son point material and green quanta point material, the LED device 140 uses blue LED device, described to shine
The blue ray that diode component 140 issues scattered via red quantum dot material and green quanta point material to be formed it is final white
Light.
In order to preferably explain the present invention, in the present embodiment, the invention also includes a kind of preparation method of display panel, packets
It includes:
S1) array substrate 110 and color membrane substrates 120 are provided；
S2) as shown in figure 5, making LED device 140 in the array substrate 110；
S3) as shown in fig. 6, making one layer of barrier layer 141, the barrier layer on 140 surface of LED device
141 material can be the inorganic material such as silicon nitride, carbonitride of silicium, silica, aluminium oxide, aluminium nitride；
S4) as shown in fig. 7, making black-matrix layer 122 and color blocking layer 123 on the color membrane substrates 120；
S5) as shown in figure 8, utilizing silk-screen printing, transfer print in the black-matrix layer 122 on the color membrane substrates 120
Brush or coating exposure development processing procedure make barrier wall structure 150；
S6) as shown in figure 9, on the color membrane substrates 120 coated UV line glue and filled layer 130, the filled layer 130
In quanta point material 131 is distributed with, the different quanta point materials is selected according to the difference of the LED device 140
131, specifically, the red quanta point material 131 with green is selected if using blue LED device 140, if using
White light emitting diode device 140 then selects red, green and blue quanta point materials 131；
S7) in vacuum pressing-combining equipment, the color membrane substrates 120 and the array substrate 110 are assembled.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of display panel, which is characterized in that including
Array substrate；
Color membrane substrates are oppositely arranged with the array substrate；
One filled layer is filled between the array substrate and the color membrane substrates, has quanta point material in the filled layer；
The one side of the array substrate towards the color membrane substrates is equipped with LED device.
2. display panel according to claim 1, which is characterized in that further include
Bumping post, the bumping post are supported between the array substrate and the color membrane substrates；
Barrier layer covers on the LED device.
3. display panel according to claim 1, which is characterized in that further include
Viewing area has several pixel unit regions and the non-pixel unit around the pixel unit region in the viewing area
Region, the filled layer are correspondingly arranged in the pixel unit region；And
Barrier wall structure is set between the array substrate and the color membrane substrates, and the barrier wall structure is located at non-pixel unit area
In domain and surround the pixel unit region.
4. display panel according to claim 3, which is characterized in that
In the viewing area, the one side of the color membrane substrates towards the array substrate is equipped with black-matrix layer and is set to institute
State the color blocking layer in black-matrix layer；The position of the black-matrix layer corresponds to the barrier wall structure.
5. display panel according to claim 3, which is characterized in that
The corresponding barrier wall structure in each pixel unit region, is surrounded by several segments wall, has gap between adjacent two sections of walls,
The gap width is between 1um~50um.
6. display panel according to claim 3, which is characterized in that
There is aperture or fluting, to be connected to the two pixel unit areas on barrier wall structure between two adjacent pixel unit regions
Domain, the aperture or groove depth and width are between 1um~50um.
7. display panel according to claim 1, which is characterized in that in the filled layer, the quanta point material includes
Red quantum dot material, green quanta point material and blue quanta point material, the LED device are luminescence-utraviolet
Diode component；Or
The quantum dot includes red quantum dot and green quantum dot, and the LED device is blue LED device
Part.
8. display panel according to claim 2, which is characterized in that
The material of the barrier layer be in the inorganic material such as silicon nitride, carbonitride of silicium, silica, aluminium oxide, aluminium nitride at least
One kind, with a thickness of 0.5um~1um.
9. display panel according to claim 1, which is characterized in that
The material of the quantum dot includes cadmium sulfide, cadmium selenide, cadmium telluride, zinc sulphide, zinc selenide, zinc telluridse, GaAs, phosphatization
Gallium, GaAs, gallium antimonide, mercuric sulphide, mercury selenide, telluride mercury, indium arsenide, indium phosphide, indium antimonide, aluminium arsenide, arsenic phosphide, antimony
At least one of aluminium.
10. a kind of preparation method of display panel, which is characterized in that including
S1) array substrate and color membrane substrates are provided；
S2) LED device is made in the array substrate；
S3) one layer of barrier layer is made on the LED device surface；
S4 black-matrix layer and color blocking layer) are made on the color membrane substrates；
S5 silk-screen printing, hectographic printing or coating exposure development processing procedure) are utilized in the black-matrix layer on the color membrane substrates
Make barrier wall structure；
S6 quanta point material is distributed in the filled layer in) coated UV line glue and filled layer on the color membrane substrates；
S7) in vacuum pressing-combining equipment, the color membrane substrates and the array substrate are assembled.
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| CN201910039676.4A CN109755413B (en) | 2019-01-16 | 2019-01-16 | Display panel and preparation method thereof |
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Cited By (5)
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| CN110085634A (en) * | 2019-04-08 | 2019-08-02 | 深圳市华星光电技术有限公司 | Display panel and preparation method thereof |
| CN111016478A (en) * | 2019-11-14 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Method for manufacturing perovskite color conversion film |
| CN111373555A (en) * | 2019-09-06 | 2020-07-03 | 重庆康佳光电技术研究院有限公司 | LED module and LED array module |
| CN112017551A (en) * | 2019-05-30 | 2020-12-01 | 群创光电股份有限公司 | Optical device |
| CN112497930A (en) * | 2020-11-25 | 2021-03-16 | 合肥维信诺科技有限公司 | Ink jet printing apparatus and method of operating the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110085634A (en) * | 2019-04-08 | 2019-08-02 | 深圳市华星光电技术有限公司 | Display panel and preparation method thereof |
| CN112017551A (en) * | 2019-05-30 | 2020-12-01 | 群创光电股份有限公司 | Optical device |
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| CN112497930A (en) * | 2020-11-25 | 2021-03-16 | 合肥维信诺科技有限公司 | Ink jet printing apparatus and method of operating the same |
| CN112497930B (en) * | 2020-11-25 | 2022-01-25 | 合肥维信诺科技有限公司 | Ink jet printing apparatus and method of operating the same |
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