CN108269500A - A kind of display panel and its manufacturing method - Google Patents
A kind of display panel and its manufacturing method Download PDFInfo
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- CN108269500A CN108269500A CN201810055144.5A CN201810055144A CN108269500A CN 108269500 A CN108269500 A CN 108269500A CN 201810055144 A CN201810055144 A CN 201810055144A CN 108269500 A CN108269500 A CN 108269500A
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- leak proof
- display panel
- proof region
- cover plate
- light shield
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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Abstract
The present invention provides a kind of display panel and its manufacturing method.The display panel of manufacturing method manufacture of the present invention includes luminous component, the cover plate above the luminous component, the polaroid between the luminous component and cover plate, the light shield layer for being formed in the cover plate edge and the adhesion layer between the polaroid and the cover plate, it is characterized in that, the adhesion layer includes being located at the leak proof region below the light shield layer, the leak proof region refractive index is more than certain threshold value, and the light that shown face plate edge reflects is refracted to the light shield layer.Compared with prior art, the display panel of the manufacturing method manufacture of display panel of the present invention, leak proof region refractive index are more than certain threshold value, and the light emitted to the leak proof region is refracted to the light shield layer, can effectively prevent display panel edge light leakage phenomena.
Description
Technical field
The present invention relates to display screen technology field more particularly to a kind of display panel and its manufacturing methods.
Background technology
With the development of display technology, various display panels are applied to the various electricity such as mobile phone, wrist-watch and tablet computer
In sub- equipment.
As shown in Figure 1, existing display panel generally includes：Luminous component 100 ' and above luminous component 100 '
Transparent cover plate 200 '.Cover plate 200 ' is the window of display panel so that the image of the display of display panel can be external
It is observed.Display panel when in use, if external incident ambient light is reflected and is easily noticed by the users inside it,
Display effect can be seriously affected, reduces and shows visibility.Therefore, existing display panel would generally be in luminous component 100 ' and covering
One polaroid 300 ' is set between plate 200 ', it is reflective to prevent.
However, since display panel polaroid 300 ' generally blocks the edge of incessantly luminous component, the prior art is generally also
Light shield layer 400 ' can be formed at 200 ' edge of cover plate, to prevent edge light leakage.But polaroid 300 ' generally passes through OCA
The adhesion layers 500 ' such as optical cement are bonded to cover plate 200 ', and the thickness of adhesion layer 500 ' is typically larger than the thickness of light shield layer 400 ',
So that light shield layer 400 ' has spacing with polaroid 300 ', external ambient light still has greater probability to enter display surface from this spacing
Intralamellar part is simultaneously reflected, and is caused display panel edge light leakage, is influenced display effect.
Invention content
The purpose of the present invention is to solve the above problems, prevent edge light leakage, provide a kind of display panel and its manufacture
Method.
To achieve the above object, the present invention uses following technical scheme：
A kind of display panel, cover plate including luminous component, above the luminous component, positioned at the illumination region
Polaroid between part and cover plate is formed in the light shield layer at the cover plate edge and is covered positioned at the polaroid with described
Adhesion layer between cover board, the adhesion layer include be located at the light shield layer below leak proof region, and the leak proof region cover to
Light shield layer described in small part, the leak proof region refractive index are more than certain threshold value, will reflex to the light refraction of the leak proof region
To the light shield layer.
Further, the light shield layer has overlapping region with orthographic projection of the polaroid on the luminous component.
Further, the adhesion layer further includes the adhesion zone surrounded by the leak proof region.
Further, the adhesion zone and the entire cover plate of leak proof region cooperation covering, the refractive index of the leak proof region
Higher than the refractive index of the adhesion zone.
Further, the adhesive layer material is the OCA optical cements doped with photoinitiator.
Further, the light shield layer color is black.
Further, the adhesion layer includes n stacked gradually layering, and the leak proof region is formed at least one layering
Interior, n is the integer more than 1.
A kind of manufacturing method of display panel, including：
One cover plate is provided, and light shield layer is formed at the cover plate edge；
Adhesion layer is formed, and leak proof region is formed in the adhesion layer, the leak proof region refractive index is more than certain threshold value；
One luminous component is provided, and polaroid is formed above the luminous component；
The polaroid is bonded to the cover plate by the adhesion layer so that the leak proof region of the adhesion layer is located at
Below the light shield layer, at least partly described light shield layer of leak proof region covering, the light that will reflex to the leak proof region is rolled over
It is incident upon the light shield layer.
Further, leak proof region is formed in the adhesion layer, specifically included：Ultraviolet lighting shape is carried out to the adhesion layer
Into leak proof region.
Further, ultraviolet lighting is carried out to the adhesion layer and forms leak proof region and adhesion zone, specifically included：
Photoinitiator is doped into OCA optical cements, forms adhesion layer；
The adhesion layer is conformed into the cover plate, covers the entire cover plate；
The middle section of the OCA optical cements is covered by a mask plate, then the edge to not covered by mask plate
Region carries out ultraviolet lighting, forms leak proof region.
Compared with prior art, the display panel of the manufacturing method manufacture of display panel of the present invention, leak proof region refractive index are big
In certain threshold value, the light emitted to the leak proof region is refracted into the light shield layer, display panel edge can be effectively prevent
Light leakage phenomena.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the present invention, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is prior art display panel schematic diagram；
Fig. 2 is display panel structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the schematic top plan view of the adhesion layer of display panel provided in an embodiment of the present invention；
Fig. 4 is the path schematic diagram of display panel reflected light provided in an embodiment of the present invention；
Fig. 5 is display panel manufacturing flow chart provided in an embodiment of the present invention；
Fig. 6 to Figure 10 is the structure diagram in display panel manufacturing process provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
The direction term that the present invention is previously mentioned, for example, " on ", " under ", "front", "rear", "left", "right", " interior ", " outer ",
" side " etc. is only the direction with reference to annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, and
It is non-limiting the present invention.In order to understand and convenient for describing, the size and thickness of each component shown in attached drawing are arbitrarily to show
Go out, but the invention is not restricted to this.
It will be appreciated that when the component of such as layer, plate is referred to as that " during " another component " on ", the component can be direct
On another component or there may also be intermediate modules.In addition, in the description, unless explicitly described as opposite
, otherwise word " comprising " will be understood as meaning to include the component, but be not excluded for any other component.
Below in conjunction with attached drawing, the technical solution of preferred embodiment that the present invention will be described in detail offer.
As shown in Fig. 2, display panel provided in this embodiment, including luminous component 100, above luminous component 100
Cover plate 200, the polaroid 300 between luminous component 100 and cover plate 200, the screening for being formed in 200 edge of cover plate
Photosphere 400 and the adhesion layer 500 between polaroid 300 and cover plate 200.
Luminous component 100 includes the first substrate (not shown) being oppositely arranged and second substrate (not shown), first substrate
Light emitting pixel layer (not shown) is formed between second substrate.First substrate and second substrate be generally transparent glass material or
Person's plastic material.Light emitting pixel layer is formed between first substrate and second substrate, the sub-pixel list including a variety of different colours
Multiple luminescence units that member is formed, are used to implement colored display.The present embodiment luminous component is organic light emission luminous component, certainly
The present invention is not limited thereto.
Cover plate 200 is located at the side of display image that luminous component 100 faces, and is the window of display panel.It sees outside
The person of examining (e.g., people) observes the image of the display of display panel by cover plate 200.Luminous component 200 covers luminous component
100, it plays a protective role to luminous component 100, protects it from exterior injury.
Polaroid 300 is and equal with luminous component 100 and cover plate 200 between luminous component 100 and cover plate 200
It is fixed together by being bonded.The setting of polaroid 300 prevents from entering from outside and by cover plate 200 or its elsewhere
Ambient light inside display panel is reflected and is discovered by external observer, improves and shows visibility.
Light shield layer 400 is formed in 200 edge of cover plate.Light shield layer 400 has the function of light blocking, on the one hand prevents outside
Ambient light is entered inside display panel, reduces ambient light amount of incident；On the other hand, absorb have enter into display panel and by
The light of reflection, and then prevent edge light leakage.At least partly described light shield layer 400 of the covering of leak proof region 510, the present embodiment shading
Layer 400 has overlapping region with orthographic projection of the polaroid 300 on luminous component 200, therefore can preferably play and prevent edge
Act on to light leakage.Simultaneously as black has good extinction effect, therefore, light shield layer surface color is preferably black, still
The present invention is not limited system, and the shading layer surface with good extinction effect of other colors is applicable to present invention display
Panel.Black-matrix material may be selected in 400 material of light shield layer, while light shield layer 400 also has inside masking display panel edge
The effect of structure so that display panel appearance seems neat and artistic.
Adhesion layer 500 is the jointing material with high-transmission rate for being bonded polaroid 300 and cover plate 200.This reality
It is the OCA optical cements doped with photoinitiator to apply 500 material of an adhesion layer.Certainly other embodiment adhesion layer 500 may be
Other materials is not limited here.The form of adhesion layer 500 is also not necessarily limited to solid sheet of adhesive, may be liquid glue, here
Also it is not limited.With reference to figure 3, adhesion layer 500 includes being located at the leak proof region 510 of 400 lower section of light shield layer and be wrapped by leak proof region 510
The adhesion zone 520 enclosed.The inward flange of the present embodiment leak proof region 510 is more inside compared to the inward flange of light shield layer 400, leak proof region
510 are not limited system with 400 section aligned of light shield layer, certain present invention, and leak proof region 510 is located at 400 lower section of light shield layer,
Can be with 400 section aligned of light shield layer, it also can be perfectly aligned with light shield layer 400.Leak proof region 510 is to handle shape by ultraviolet lighting
Into i.e. without ultraviolet lighting process part, detailed process sees below the manufacturing method of display panel for adhesion zone 520.Due into
Ultraviolet lighting processing is gone, therefore, the high refractive index of leak proof region 510 is in the refractive index of adhesion zone 520.With reference to figure 4, leak proof region
510 refractive index increase to greater than certain threshold value so that display panel internal edge veiling glare (veiling glare, that is, improper light-emitting line, example
Such as enter the light after the external environment light reflection in display panel) outgoing route change.Since 510 refractive index of leak proof region increases
Greatly, therefore, the light emitted to leak proof region 510 is refracted to light shield layer 400, and light shield layer 400 has the function of light absorption,
So the present embodiment effectively prevents edge light leakage phenomena.
The present embodiment is made by adjusting the refractive index of adhesion layer 500 leak proof region 510 of 500 edge of adhesion layer (mainly)
It obtains 510 refractive index of leak proof region and is more than certain threshold value, the light emitted to leak proof region 510 is refracted into light shield layer 400, Jin Eryou
Prevent display panel edge light leakage phenomena to effect.Certain 400 structure of other embodiments of the invention light shield layer also can be with this implementation
Example is different.For example, the present embodiment adhesion layer 500 includes being located at the leak proof region 510 of 400 lower section of light shield layer and by leak proof region 510
The adhesion zone 520 of encirclement, adhesion zone 520 and the cooperation of leak proof region 510 cover entire cover plate 200, to realize polaroid 300 with covering
Between cover board 200 there is very big bond area, and then increase bonding fastness, but the present invention is not limited thereto makes, only
The viscosity for wanting leak proof region 510 is enough, and other embodiment light shield layer 400 can also only include leak proof region 510 or viscous in order to increase
Property, other embodiment can also include leak proof region 510 and adhesion zone 520, but adhesion zone 520 can not also be as the present embodiment one
Sample is continuous, can be discontinuous multistage.
In addition, the refractive index of the leak proof region 510 embodiment adds edge, but in order to which adhesion zone 520 is kept to have
Enough viscosity causes polaroid 300 to be securely bonded together with cover plate 200, and adhesion zone 520 is not carried out at ultraviolet light
Reason, but in other embodiment, under the premise of viscosity is enough, leak proof region 510 can also receive ultraviolet light simultaneously with adhesion zone 520
Irradiation, while improves refractive index, i.e., adhesion layer 500 everywhere refractive index homogeneity improve can also or even adhesion layer 500 is selected
Material refractive index in itself have been above certain threshold value, adhesion layer 500 can not also be handled.The present embodiment leak proof region
510 in a thickness direction, and whole section of thickness of refractive index improves, but the present invention is also not limited system, and leak proof region 510 can also
In a thickness direction, only segment thickness refractive index improves.Moreover, only one layer of the present embodiment adhesion layer 500, but other realities
N stacked gradually layering can also be included by applying an adhesion layer 500, and leak proof region 510 is formed at least one layering, and n is big
In 1 integer, n-layer layered material can be the same or different, and adhesion layer 500 sets multilayer can be by improving leak proof region
While 510 refractive index prevent edge light leakage, 500 viscosity of optimization adhesion layer.As long as 510 refractive index of leak proof region of the embodiment of the present invention
More than certain threshold value, the light emitted to leak proof region 510 is refracted into light shield layer 400, can effectively prevent display surface edges of boards
Edge light leakage phenomena.
As shown in figure 5, the manufacturing method of the present embodiment display panel, including：
Step 1 provides a cover plate 200, and forms light shield layer 400 at 200 edge of cover plate, as shown in Figure 6.
Step 2 forms adhesion layer 500, and adhesion layer 500 is handled, and forms leak proof region 510, leak proof region 510 reflects
Rate is more than certain threshold value, as shown in Figure 7.
This step specifically includes：
Photoinitiator is doped into OCA optical cements, forms adhesion layer 500.
After pickup, the refractive index of OCA optical cements can be improved to photoinitiator by meeting ultraviolet lighting.
Adhesion layer 500 is conformed into cover plate 200, covers entire cover plate 200.
Adhesion layer 500 covers 200 whole region of cover plate, and cover plate 200 can be bonded more securely.
As shown in figure 8, the middle section of OCA optical cements is covered by a mask plate (M), then to not hidden by mask plate
Fringe region firmly carries out ultraviolet lighting (UV), forms leak proof region 510.
Leak proof region is located at the fringe region of adhesion layer 500, and the middle section that adhesion layer 500 is covered by mask plate is as viscous
Meet area 520.
The present embodiment forms leak proof region 510 of the refractive index more than certain threshold value by such method.Certain other embodiment
It can also be formed, be not limited here by other means.
Step 3 provides a luminous component 100, and polaroid 300 is formed above luminous component 100, as shown in Figure 9.
Polaroid 300 is bonded to cover plate 200 by step 4 by adhesion layer 500 so that the leak proof region of adhesion layer 500
510 are located at 400 lower section of light shield layer, the light emitted to leak proof region 510 are refracted to light shield layer 400, as shown in Figure 10.
It should be noted that not invention above step 1 is not unique to step 4 sequence, other embodiments of the invention specifically manufacture
In the process, each step can flexibly be exchanged according to actual conditions.Adhesion layer 500 is pasted during the present embodiment step 2
Cover plate 200 is bonded to, polaroid 300 is then bonded to cover plate 200 by adhesion layer 500 during step 4 again.Other
Adhesion layer 500 can also be conformed to polaroid 300 by embodiment, and cover plate 200 then is bonded to polarisation by adhesion layer 500 again
Piece 300.
In conclusion the display panel of the manufacturing method manufacture of the present embodiment display panel, 510 refractive index of leak proof region are more than
The light emitted to leak proof region 510 is refracted to light shield layer 400, can effectively prevent display panel edge light leakage by certain threshold value
Phenomenon.
Above-described specific example has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
Illustrate, it should be understood that the above is only a specific embodiment of the present invention, be not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of display panel, including be stacked luminous component, polaroid, cover plate, be formed in the polaroid and institute
State the adhesion layer and light shield layer being stacked between cover plate, which is characterized in that the adhesion layer includes leak proof region, described anti-
Drain region is located at below the light shield layer, and at least partly described light shield layer of leak proof region covering, the leak proof region refractive index are big
In given threshold.
2. display panel according to claim 1, which is characterized in that the leak proof region covers the light shield layer.
3. display panel according to claim 1, which is characterized in that the light shield layer shines with the polaroid described
Orthographic projection on component has overlapping region.
4. display panel according to claim 1, which is characterized in that the adhesion layer is further included to be surrounded by the leak proof region
Adhesion zone.
5. display panel according to claim 4, which is characterized in that the adhesion zone and leak proof region cooperation cover entire institute
Cover plate is stated, the high refractive index of the leak proof region is in the refractive index of the adhesion zone.
6. display panel according to claim 1, which is characterized in that the leak proof region material is doped with photoinitiator
OCA optical cements.
7. display panel according to claim 1, which is characterized in that the shading layer surface is black.
8. display panel according to claim 1, which is characterized in that the adhesion layer includes n stacked gradually layering,
The leak proof region is formed at least one layering, and n is the integer more than 1.
9. a kind of manufacturing method of display panel, which is characterized in that including：
One cover plate is provided, and light shield layer is formed at the cover plate edge；
Adhesion layer is formed, and leak proof region is formed in the adhesion layer, the leak proof region refractive index is more than certain threshold value；
One luminous component is provided, and polaroid is formed above the luminous component；
The polaroid is bonded to the cover plate by the adhesion layer so that the leak proof region of the adhesion layer is located at described
Below light shield layer, at least partly described light shield layer of leak proof region covering.
10. the manufacturing method of display panel according to claim 9, which is characterized in that carried out to the adhesion layer ultraviolet
Illumination forms leak proof region, specifically includes：
Photoinitiator is doped into OCA optical cements, forms adhesion layer；
The adhesion layer is conformed into the cover plate, covers the entire cover plate；
The middle section of the OCA optical cements is covered by a mask plate, then the fringe region to not covered by mask plate
Ultraviolet lighting is carried out, forms leak proof region.
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| CN201810055144.5A CN108269500B (en) | 2018-01-19 | 2018-01-19 | Display panel and manufacturing method thereof |
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| CN201810055144.5A CN108269500B (en) | 2018-01-19 | 2018-01-19 | Display panel and manufacturing method thereof |
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| CN108269500B CN108269500B (en) | 2020-03-06 |
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| CN108877508A (en) * | 2018-07-16 | 2018-11-23 | 京东方科技集团股份有限公司 | Display module and preparation method thereof |
| CN109390500A (en) * | 2018-12-03 | 2019-02-26 | 武汉华星光电半导体显示技术有限公司 | Display module and preparation method thereof, electronic device |
| CN110989240A (en) * | 2019-12-26 | 2020-04-10 | 上海天马微电子有限公司 | Display module, electronic equipment and preparation method of display module |
| US10879499B2 (en) | 2018-12-03 | 2020-12-29 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display module, manufacturing method thereof and electronic device |
| CN113377242A (en) * | 2021-06-22 | 2021-09-10 | 武汉华星光电技术有限公司 | Display module |
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| CN108269500B (en) | 2020-03-06 |
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Application publication date: 20180710 Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Kunshan Guo Xian Photoelectric Co., Ltd. Contract record no.: X2019990000156 Denomination of invention: Display panel and making method thereof License type: Common License Record date: 20191030 |
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Effective date of registration: 20191209 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 215300, No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou, 4 Applicant before: Kunshan Guo Xian Photoelectric Co., Ltd. |
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