CN105807509A - Display substrate, manufacturing method thereof, display panel and display device - Google Patents

Display substrate, manufacturing method thereof, display panel and display device Download PDF

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Publication number
CN105807509A
CN105807509A CN201610391298.2A CN201610391298A CN105807509A CN 105807509 A CN105807509 A CN 105807509A CN 201610391298 A CN201610391298 A CN 201610391298A CN 105807509 A CN105807509 A CN 105807509A
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CN
China
Prior art keywords
display
base plate
water blocking
blocking layer
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610391298.2A
Other languages
Chinese (zh)
Inventor
徐朝哲
李纪
王立森
赵婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Hefei BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201610391298.2A priority Critical patent/CN105807509A/en
Publication of CN105807509A publication Critical patent/CN105807509A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

An embodiment of the invention discloses a display substrate, a manufacturing method thereof, a display panel and a display device.The display substrate comprises a display area, a seal agent area on the periphery of the display area and an alignment layer, wherein the seal agent area comprises a waterproof layer wrapping the edge of the alignment layer.The display substrate, the manufacturing method thereof, the display panel and the display device have the advantages that the seal agent area is provided with the waterproof layer wrapping the edge of the alignment layer, so that moisture can be prevented from permeating from the edge of the alignment layer, alignment capability change of the alignment layer due to permeation of the moisture is avoided, and further, product yield is increased while display quality is improved; no need for product bezel enlarging is beneficial to slim bezel design and quantity production.

Description

A kind of display base plate, its manufacture method, display floater and display device
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of display base plate, its manufacture method, display floater and display device.
Background technology
In a liquid crystal display, oriented layer has very important effect for liquid crystal display, but owing to the sealed plastic box of frame region has certain moisture penetration rate, at extreme environments such as high humiditys, outside moisture infiltrates into oriented layer edge easily by sealed plastic box, and internally permeates along oriented layer.Display panels as shown in Figure 1, including: the infrabasal plate 11 relatively put and upper substrate 12, the layer 13 between infrabasal plate 11 and upper substrate 12, and it is positioned at the sealed plastic box 14 in sealed plastic box region.Wherein: infrabasal plate 11 includes array base palte 111 and the oriented layer 112 being positioned on array base palte 111;Upper substrate 12 includes color membrane substrates 121, and the black matrix 122 stacked gradually on color membrane substrates 121 and protective layer 123 and oriented layer 124.Moisture 15 can pass through sealed plastic box and penetrate into oriented layer (as shown by arrows), and oriented layer molecule is met after water and reacted, and orientation ability changes, the ill effect such as cause the display at edge, viewing area uneven, reduces display effect and product quality.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of display base plate, its manufacture method, display floater and display device, for solving the readily permeable problem causing display bad to PI rete edge of outside moisture.
The purpose of the embodiment of the present invention is achieved through the following technical solutions:
A kind of display base plate, including the sealed plastic box region that viewing area and viewing area are peripheral, described display base plate also includes oriented layer, and described sealed plastic box region includes water blocking layer;Described water blocking layer is coated with the edge of described oriented layer.
It is preferred that the border width of the described oriented layer being coated with by described water blocking layer is not less than 100 μm.
It is preferred that the thickness of described water blocking layer range for 100nm~1000nm.
It is preferred that the thickness of described water blocking layer range for 500nm~750nm.
It is preferred that described water blocking layer is inorganic film.
It is preferred that the material of described inorganic film includes silicon nitride, silicon oxide and aluminium oxide.
It is preferred that described oriented layer is PI rete.
A kind of display floater, including the display base plate described in any of the above item.
A kind of display device, including above-described display floater.
A kind of manufacture method of display base plate, this manufacture method includes:
Form the oriented layer being positioned on underlay substrate;
Formed in sealed plastic box region be coated with described oriented layer the water blocking layer at edge.
Having the beneficial effect that of the embodiment of the present invention:
In display base plate, its manufacture method, display floater and display device that the embodiment of the present invention provides, sealed plastic box region is provided with water blocking layer, the edge of oriented layer is coated with by the water blocking layer in sealed plastic box region, it is thus possible to intercept the moisture edge penetration from oriented layer, cause that orientation ability changes thus avoiding oriented layer because of the infiltration of moisture, and then improve product yield and display quality.It addition, without expanding product frame, be beneficial to narrow frame design and mass production.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of display panels of the prior art;
The schematic cross-section of the structure of a kind of display base plate that Fig. 2 a provides for the embodiment of the present invention;
The schematic top plan view of the structure of a kind of display base plate that Fig. 2 b provides for the embodiment of the present invention;
Fig. 3 is the schematic diagram of the border width of the oriented layer being coated with by water blocking layer in the embodiment of the present invention;
The structural representation of a kind of display panels that Fig. 4 provides for the embodiment of the present invention;
The manufacture method flow chart of a kind of display base plate that Fig. 5 provides for the embodiment of the present invention;
One of schematic diagram when Fig. 6 is form water blocking layer in the embodiment of the present invention;
Two of schematic diagram when Fig. 7 is form water blocking layer in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, a kind of display base plate provided by the invention, its manufacture method, display floater and display device are illustrated in greater detail.
In accompanying drawing, the thickness of each rete and shape do not reflect actual proportions, and purpose is schematically illustrate present invention.
Top view shown in sectional view as shown in Figure 2 a and Fig. 2 b, the embodiment of the present invention provides a kind of display base plate, and including the sealed plastic box region B that viewing area A and viewing area are peripheral, display base plate also includes oriented layer 21, and sealed plastic box region includes water blocking layer 22;Water blocking layer 22 is coated with the edge of oriented layer 21.
Wherein, in Fig. 2 b, dotted line area encompassed is oriented layer 21 region, and the marginal portion of oriented layer 21 is covered by water blocking layer 21.
In the embodiment of the present invention, sealed plastic box region is provided with water blocking layer, the edge of oriented layer is coated with by the water blocking layer in sealed plastic box region, it is thus possible to intercept the moisture edge penetration from oriented layer, cause that orientation ability changes thus avoiding oriented layer because of the infiltration of moisture, and then improve product yield and display quality.It addition, without expanding product frame, be beneficial to narrow frame design and mass production.
In order to ensure that water blocking layer can play better block-water effect, as it is shown on figure 3, it is preferred that the border width L of the oriented layer 21 being coated with by water blocking layer 22 is not less than 100 μm.
Block-water effect is also had critically important impact by the thickness of water blocking layer, in order to be further ensured that water blocking layer plays good block-water effect, it is preferred that, the thickness of water blocking layer range for 100nm~1000nm.
When being embodied as, it is preferred that, the thickness of water blocking layer range for 500nm~750nm.
Based on any of the above embodiment, the kind of the material of water blocking layer has multiple, it is preferred that, water blocking layer is inorganic film.The material of water blocking layer can also have the material of high water resistant performance for other.
Wherein, the material of inorganic film can be, but not limited to include silicon nitride, silicon oxide and aluminium oxide.
Based on any of the above embodiment, it is preferred that, oriented layer can be, but not limited to as polyimides (Polyimide, PI) rete.
Based on same inventive concept, the embodiment of the present invention also provides for a kind of display floater, including the display base plate described in any of the above embodiment.
Below in conjunction with concrete display floater, a kind of display base plate and the display floaters that provide the embodiment of the present invention are described below in greater detail.
The structure of the display panels in the present embodiment as shown in Figure 4, including the first display base plate put and the second display base plate, the liquid crystal layer 23 between the first display base plate and the second display base plate relatively, and is positioned at the sealed plastic box 24 in sealed plastic box region.
Wherein, the first display base plate is array base palte, and including oriented layer 21a, sealed plastic box region includes water blocking layer 22a, water blocking layer 22a and is coated with the edge of oriented layer 21a.
Wherein, the second display base plate is color membrane substrates, and including oriented layer 21b, sealed plastic box region includes water blocking layer 22b, water blocking layer 22b and is coated with the edge of oriented layer 21b.This color membrane substrates also includes black matrix 25b and protective layer 26b.
Wherein, oriented layer 21a and oriented layer 21b is PI rete, is not less than 100 μm by the border width L of water blocking layer 22a and 22b cladding respectively.
Wherein, water blocking layer 22a and water blocking layer 22b is inorganic film; thickness range for 500nm~750nm; can be the inorganic material such as silicon nitride, silicon oxide and aluminium oxide; so; moisture 27 can be intercepted and penetrate into the edge (in figure shown in curved arrow) of oriented layer 21a and oriented layer 21b, oriented layer is served protective effect.
Based on same inventive concept, the embodiment of the present invention also provides for a kind of display device, including the display floater described in any of the above embodiment.
Above-mentioned display device can be: any product with display function or the parts such as mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
Based on same inventive concept, the embodiment of the present invention also provides for the manufacture method of a kind of display base plate, as it is shown in figure 5, this manufacture method at least includes:
Step 510, formation are positioned at the oriented layer on underlay substrate;
Step 520, form the water blocking layer at edge of cladding oriented layer in sealed plastic box region.
In this step, as shown in Figure 6, it is possible to use mask 28 shelters from viewing area, in order to form the water blocking layer at the edge of cladding oriented layer in sealed plastic box region, at this moment, the edge of oriented layer is all coated with by water blocking layer in sealed plastic box region.Or, as shown in Figure 7, mask 28 can also be utilized to shelter from viewing area and partly surround the sealed plastic box region of this viewing area, to form the water blocking layer at the edge of cladding oriented layer in sealed plastic box region, at this moment, the edge of oriented layer only has periphery to be coated with by water blocking layer in sealed plastic box region.When being embodied as, it is possible to adopt any one mode to implement according to actual needs.In the present embodiment, owing to the masked version in viewing area is blocked, on the oriented layer of viewing area without impact.
In the embodiment of the present invention, sealed plastic box region is provided with water blocking layer, the edge of oriented layer is coated with by the water blocking layer in sealed plastic box region, it is thus possible to intercept the moisture edge penetration from oriented layer, cause that orientation ability changes thus avoiding oriented layer because of the infiltration of moisture, and then improve product yield and display quality.It addition, without expanding product frame, be beneficial to narrow frame design and mass production.
Wherein, step 510 concrete it may be that on underlay substrate be coated with PI rete, PI rete carries out after being coated with rubbing or light allocating process.
Wherein, what step 520 was concrete can be, mask is utilized to block viewing area, gas ions is adopted to strengthen chemical vapour deposition (CVD) (PlasmaEnhancedChemicalVaporDeposition, PECVD) or the depositing operation such as ald (AtomicLayerDeposition, ALD) form the inorganic film at edge of cladding PI rete in sealed plastic box region.
When being embodied as, in the process forming water blocking layer, it is ensured that the temperature that the temperature of employing can bear lower than display base plate, in order to avoid affecting the performance of other structure of display base plate.
In display base plate, its manufacture method, display floater and display device that the embodiment of the present invention provides, sealed plastic box region is provided with water blocking layer, the edge of oriented layer is coated with by the water blocking layer in sealed plastic box region, it is thus possible to intercept the moisture edge penetration from oriented layer, cause that orientation ability changes thus avoiding oriented layer because of the infiltration of moisture, and then improve product yield and display quality.It addition, without expanding product frame, be beneficial to narrow frame design and mass production.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (10)

1. a display base plate, including the sealed plastic box region that viewing area and viewing area are peripheral, described display base plate also includes oriented layer, it is characterised in that described sealed plastic box region includes water blocking layer;Described water blocking layer is coated with the edge of described oriented layer.
2. display base plate according to claim 1, it is characterised in that the border width of the described oriented layer being coated with by described water blocking layer is not less than 100 μm.
3. display base plate according to claim 1, it is characterised in that the thickness of described water blocking layer range for 100nm~1000nm.
4. display base plate according to claim 1, it is characterised in that the thickness of described water blocking layer range for 500nm~750nm.
5. the display base plate according to any one of Claims 1 to 4, it is characterised in that described water blocking layer is inorganic film.
6. display base plate according to claim 5, it is characterised in that the material of described inorganic film includes silicon nitride, silicon oxide and aluminium oxide.
7. the display base plate according to any one of Claims 1 to 4, it is characterised in that described oriented layer is PI rete.
8. a display floater, it is characterised in that include the display base plate described in any one of claim 1~7.
9. a display device, it is characterised in that include the display floater described in claim 8.
10. the manufacture method of a display base plate, it is characterised in that this manufacture method includes:
Form the oriented layer being positioned on underlay substrate;
The water blocking layer at the edge being coated with described oriented layer is formed in sealed plastic box region.
CN201610391298.2A 2016-06-03 2016-06-03 Display substrate, manufacturing method thereof, display panel and display device Pending CN105807509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610391298.2A CN105807509A (en) 2016-06-03 2016-06-03 Display substrate, manufacturing method thereof, display panel and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610391298.2A CN105807509A (en) 2016-06-03 2016-06-03 Display substrate, manufacturing method thereof, display panel and display device

Publications (1)

Publication Number Publication Date
CN105807509A true CN105807509A (en) 2016-07-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106773362A (en) * 2017-03-09 2017-05-31 京东方科技集团股份有限公司 Display panel and its manufacture method, display device
CN107450213A (en) * 2017-07-31 2017-12-08 南京中电熊猫平板显示科技有限公司 A kind of liquid crystal display panel preparation method and liquid crystal panel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1319197A (en) * 1999-07-29 2001-10-24 松下电器产业株式会社 Liquid crystal display device and method for manufacturing the same
CN1378657A (en) * 1999-10-06 2002-11-06 松下电器产业株式会社 Liquid crystal element, liquid crystal device and production methods therefor
JP2011064934A (en) * 2009-09-17 2011-03-31 Seiko Epson Corp Method of manufacturing liquid crystal device and liquid crystal device
US8164723B2 (en) * 2005-05-10 2012-04-24 Omnivision Technologies, Inc. Liquid crystal display having a thin gasket and method for manufacturing the same
CN203759393U (en) * 2014-03-31 2014-08-06 北京京东方光电科技有限公司 Base plate, display panel and display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1319197A (en) * 1999-07-29 2001-10-24 松下电器产业株式会社 Liquid crystal display device and method for manufacturing the same
CN1378657A (en) * 1999-10-06 2002-11-06 松下电器产业株式会社 Liquid crystal element, liquid crystal device and production methods therefor
US8164723B2 (en) * 2005-05-10 2012-04-24 Omnivision Technologies, Inc. Liquid crystal display having a thin gasket and method for manufacturing the same
JP2011064934A (en) * 2009-09-17 2011-03-31 Seiko Epson Corp Method of manufacturing liquid crystal device and liquid crystal device
CN203759393U (en) * 2014-03-31 2014-08-06 北京京东方光电科技有限公司 Base plate, display panel and display device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106773362A (en) * 2017-03-09 2017-05-31 京东方科技集团股份有限公司 Display panel and its manufacture method, display device
WO2018161625A1 (en) * 2017-03-09 2018-09-13 京东方科技集团股份有限公司 Display panel, manufacturing method therefor, and display device
CN106773362B (en) * 2017-03-09 2020-02-11 京东方科技集团股份有限公司 Display panel, manufacturing method thereof and display device
US11415837B2 (en) 2017-03-09 2022-08-16 Boe Technology Group Co., Ltd. Display panel and manufacturing method thereof, and display device
CN107450213A (en) * 2017-07-31 2017-12-08 南京中电熊猫平板显示科技有限公司 A kind of liquid crystal display panel preparation method and liquid crystal panel

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Application publication date: 20160727

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