CN106910841B - Array substrate and its manufacturing method and organic light emitting display - Google Patents
Array substrate and its manufacturing method and organic light emitting display Download PDFInfo
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- CN106910841B CN106910841B CN201710208694.1A CN201710208694A CN106910841B CN 106910841 B CN106910841 B CN 106910841B CN 201710208694 A CN201710208694 A CN 201710208694A CN 106910841 B CN106910841 B CN 106910841B
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- support column
- array substrate
- light emitting
- organic light
- emitting display
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of array substrate and its manufacturing methods and organic light emitting display, wherein, the array substrate includes: substrate, the organic luminescent device being formed on the substrate, pixel defining layer between adjacent organic luminescent device is set, and it is formed in the support column in the pixel defining layer, the longitudinal section of the support column is arcwall face.In array substrate provided by the invention and its manufacturing method and organic light emitting display, by the way that the longitudinal section of support column is designed as arcwall face, to be buffered step by step to extraneous impact force, to promote the impact resistance of display screen body, the support column is avoided to occur falling off or positional shift phenomenon.
Description
Technical field
The present invention relates to technical field of flat panel display, in particular to a kind of array substrate and its manufacturing method and organic light emission
Display.
Background technique
Organic light emitting display (full name in English Organic Lighting Emitting Display, abbreviation OLED) is
A kind of active luminescent device compares thin film transistor LCD device (full name in English Thin Film Transistor
Liquid crystal display, abbreviation TFT-LCD), OLED is thinner etc. with high contrast, wide viewing angle, low-power consumption, volume
Advantage is most one of technology that attracts attention in current flat panel display.
Organic light emitting display generally includes the array substrate and encapsulation cover plate being oppositely arranged, array substrate and encapsulation cover plate
Between there are certain thickness gaps, in order to avoid array substrate and encapsulation cover plate cause to become because of unbalance stress in use process
Shape is typically provided with the support column for being used to support encapsulation cover plate in array substrate.
Referring to FIG. 1, its cross-sectional view for the organic light emitting display of the prior art.As shown in Figure 1, the organic light emission
Display includes: the array substrate 110 being oppositely arranged and encapsulation cover plate 120；The array substrate 110 includes: substrate 111, shape
The pixel definition between adjacent organic luminescent device 112 is arranged in organic luminescent device 112 on substrate 111 described in Cheng Yu
Layer 113, and it is formed in the support column 114 (e.g. SPC layers) on the pixel defining layer 113, the support column 114 is used
In the support encapsulation cover plate 120.
Referring to FIG. 2, its top view for the array substrate of the prior art.As shown in Fig. 2, the organic luminescent device
112 (including red sub-pixel R, green sub-pixels G and blue subpixels B) are respectively positioned in pixel openings area, the support column 114
Except pixel openings area.
However, finding during actually manufacture and use, the support column 114 is occurred by very easy when external impacts
It falls off and positional shift, can not play a supporting role once falling off, will cause the uneven problem of display, it then can be right after positional shift
Open region causes to block, and it is bad to generate blackspot.
Base this, be easy to fall off when how to solve the support column of existing array substrate by external force and positional shift asked
Topic, at those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of array substrate and its manufacturing methods and organic light emitting display, existing to solve
The support column of some array substrates is being easy to fall off and the problem of positional shift after by external force.
In order to solve the above technical problems, the present invention provides a kind of array substrate, the array substrate includes: substrate, is formed
In on the substrate organic luminescent device, the pixel defining layer that is arranged between adjacent organic luminescent device and formed
Support column in the pixel defining layer, the longitudinal section of the support column are arcwall face.
Optionally, in the array substrate, the support column is rectangular ring structure, the rectangular ring structure
The longitudinal section of four edges is arcwall face.
Optionally, in the array substrate, the support column is L shape structure, two sides of the L shape structure
Longitudinal section be arcwall face.
Optionally, in the array substrate, the support column is hemispherical dome structure.
Correspondingly, the present invention also provides a kind of manufacturing method of array substrate, the manufacturing method of the array substrate includes:
One substrate is provided；
Organic luminescent device and pixel defining layer are sequentially formed over the substrate；And
Support column is formed in the pixel defining layer, the longitudinal section of the support column is arcwall face.
Optionally, in the manufacturing method of the array substrate, the support column is rectangular ring structure, L shape knot
Structure or hemispherical dome structure.
Correspondingly, the organic light emitting display includes: to be oppositely arranged the present invention also provides a kind of organic light emitting display
Array substrate and encapsulation cover plate；The array substrate includes: substrate, the organic luminescent device being formed on the substrate, if
The pixel defining layer between adjacent organic luminescent device is set, and the support column being formed in the pixel defining layer, institute
The longitudinal section for stating support column is arcwall face.
Optionally, in the organic light emitting display, the support column is rectangular ring structure, the rectangular ring
The longitudinal section of the four edges of structure is arcwall face.
Optionally, in the organic light emitting display, the support column is L shape structure, the L shape structure
The longitudinal section on two sides is arcwall face.
Optionally, in the organic light emitting display, the support column is hemispherical dome structure.
In array substrate provided by the invention and its manufacturing method and organic light emitting display, pass through indulging support column
Section is designed as arcwall face, to be buffered step by step to extraneous impact force, to promote the impact resistance of display screen body, keeps away
Exempt from the support column to occur falling off or positional shift phenomenon.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the organic light emitting display of the prior art；
Fig. 2 is the top view of the array substrate of the organic light emitting display of the prior art；
Fig. 3 is the cross-sectional view of the array substrate of the embodiment of the present invention one；
Fig. 4 is the top view of the array substrate of the embodiment of the present invention one；
Fig. 5 be in Fig. 4 array substrate along the diagrammatic cross-section of A1-A1 ' line；
Fig. 6 is the cross-sectional view of the organic light emitting display of the embodiment of the present invention one；
Fig. 7 is the top view of the array substrate of the embodiment of the present invention two；
Fig. 8 be in Fig. 7 array substrate along the diagrammatic cross-section of A2-A2 ' line；
Fig. 9 is the top view of the array substrate of the embodiment of the present invention three；
Figure 10 be in Fig. 9 array substrate along the diagrammatic cross-section of A3-A3 ' line.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to array substrate proposed by the present invention and its manufacturing method and organic light emission
Display is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It needs
Illustrate, attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, lucidly auxiliary is said
The purpose of the bright embodiment of the present invention.
[embodiment one]
Referring to FIG. 3, its cross-sectional view for the array substrate of the embodiment of the present invention one.As shown in figure 3, the array substrate
210 include: substrate 211, and adjacent organic luminescent device is arranged in the organic luminescent device 212 being formed on the substrate 211
Pixel defining layer 213 between 212, and the support column 214 being formed in the pixel defining layer 213, the support column 214
Longitudinal section (perpendicular to the section on 211 surface of substrate) be arcwall face.
Specifically, incorporated by reference to reference Fig. 3 to Fig. 5, the organic luminescent device 212 of the array substrate 210 (including red son
Pixel R, green sub-pixels G and blue subpixels B) it is respectively positioned in pixel openings area, the support column 214 is located at pixel openings area
Outside, the support column 214 is rectangular ring structure, and the rectangular ring structure includes four edges, the longitudinal section of the four edges
It is arcwall face.
Correspondingly, the present embodiment additionally provides a kind of manufacturing method of array substrate.With continued reference to FIG. 3, the array
The manufacturing method of substrate includes:
Step 1: a substrate 211 is provided；
Step 2: organic luminescent device 212 and pixel defining layer 213 are sequentially formed on the substrate 211；
Step 3: forming support column 214 in the pixel defining layer 213, and the longitudinal section of the support column 214 is (vertical
In the section on 211 surface of substrate) it is arcwall face.
Correspondingly, the present embodiment additionally provides a kind of organic light emitting display.Referring to FIG. 6, it is the embodiment of the present invention
The cross-sectional view of one organic light emitting display.As shown in fig. 6, the organic light emitting display includes: the array base being oppositely arranged
Plate 210 and encapsulation cover plate 220；The array substrate 210 includes: substrate 211, the organic light emission being formed on the substrate 211
Device 212 is arranged in the pixel defining layer 213 between adjacent organic luminescent device 212, and is formed in the pixel definition
Support column 214 on layer 213, the longitudinal section (perpendicular to the section on 211 surface of substrate) of the support column 214 are arcwall face.
In the present embodiment, the support column 214 uses rectangular ring structure, and the longitudinal section of the support column 214 is arc
Shape face, therefore the contact area with encapsulation cover plate 220 can be reduced, impact force formation is buffered step by step, avoids the support column
214 fall off or appearance position offset problem when by external force.
[embodiment two]
It is the structural schematic diagram of the array substrate of the embodiment of the present invention two, such as Fig. 7 and figure incorporated by reference to reference Fig. 7 and Fig. 8
Shown in 8, the array substrate 210 includes: substrate 211, the organic luminescent device 212 being formed on the substrate 211, and setting exists
Pixel defining layer 213 between adjacent organic luminescent device 212, and the support being formed in the pixel defining layer 213
The longitudinal section (perpendicular to the section on 211 surface of substrate) of column 214 (SPC layers), the support column 214 is arcwall face.
Specifically, as shown in Figure 7 and Figure 8, the organic luminescent device 212 of the array substrate 210 (including red sub-pixel
R, green sub-pixels G and blue subpixels B) it is respectively positioned on open region, the support column 214 is located at shading region, the support column 214
Longitudinal section for L shape structure, two sides of the L shape structure is arcwall face.
In the present embodiment, the longitudinal section of the support column 214 is arcwall face, therefore can be reduced and encapsulation cover plate 220
Contact area buffers impact force formation step by step, the support column 214 is avoided to fall off when by external force or appearance position
Offset problem.
The present embodiment and embodiment one the difference is that, the support column 214 uses L shape structure, L shape structure energy
The contact stability for enough increasing the support column 214 with the pixel defining layer 213 reduces the support column 214 and the picture
The probability of plain 213 relative position of definition layer sliding, to reduce the undesirable generation of blackspot.
[embodiment three]
Be the structural schematic diagram of the array substrate of the embodiment of the present invention three incorporated by reference to reference Fig. 9 and Figure 10, such as Fig. 9 and
Shown in Figure 10, the array substrate 210 includes: substrate 211, the organic luminescent device 212 being formed on the substrate 211, if
The pixel defining layer 213 between adjacent organic luminescent device 212 is set, and is formed in the pixel defining layer 213
The longitudinal section (perpendicular to the section of substrate surface) of support column 214 (SPC layers), the support column 214 is arcwall face.
Specifically, as shown in Figure 9 and Figure 10, the organic luminescent device 212 of the array substrate 210 (including red sub- picture
Plain R, green sub-pixels G and blue subpixels B) it is respectively positioned on open region, the support column 214 is located at shading region, the support column
214 be hemispherical dome structure, and the longitudinal section of the hemispherical dome structure is arcwall face.
The present embodiment and embodiment one the difference is that, the support column 214 is hemispherical dome structure.Therefore it can reduce
With the contact area of encapsulation cover plate 220, impact force formation is buffered step by step, avoids generation when by external force of support column 214
It falls off or appearance position offset problem.Wherein, the diameter of the hemispherical dome structure can according to screen body anti-impact force requirement into
Row is adjusted.
In preferred embodiment, the support column 214 of the hemispherical dome structure is uniformly distributed in the pixel defining layer 213.But
It should be understood that the support column 214 of hemispherical dome structure (non-homogeneous) can also be distributed in the pixel defining layer 213 in a jumble.Hemisphere
The position arrangement of the support column 214 of shape structure it is not limited here, shields body as long as the impact force being subject to is uniformly distributed in.
In other embodiments, the support column 214 can be used other structures, for example, semielliptical shape, " T " shape structure or
Any combination etc. of person's above structure can carry out extraneous impact force to buffer step by step as long as its longitudinal section is arcwall face.
To sum up, in array substrate provided in an embodiment of the present invention and its manufacturing method and organic light emitting display, pass through
The longitudinal section of support column is designed as arcwall face, to be buffered step by step to extraneous impact force, to promote display screen body
Impact resistance avoids the support column from occurring falling off or positional shift phenomenon.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.For reality
For the manufacturing method and organic light emitting display of applying array substrate disclosed in example, as with array substrate phase disclosed in embodiment
It is corresponding, though so the manufacturing method of array substrate and organic light emitting display are not retouched in embodiment two and embodiment three
It states, but related place is referring to the manufacturing method of the array substrate of array substrate and embodiment one in corresponding embodiment and organic
The part of active display illustrates.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (4)
1. a kind of organic light emitting display characterized by comprising the array substrate and encapsulation cover plate being oppositely arranged；The battle array
Column substrate includes: substrate, and the organic luminescent device being formed on the substrate is arranged between adjacent organic luminescent device
Pixel defining layer, and it is formed in multiple support columns being disconnected from each other of the pixel defining layer upper surface, each support
Post part surrounds the organic luminescent device, and the longitudinal section of the support column is arcwall face, and the support column is used to support described
Encapsulation cover plate.
2. organic light emitting display as described in claim 1, which is characterized in that the support column is rectangular ring structure, institute
The longitudinal section for stating the four edges of rectangular ring structure is arcwall face.
3. organic light emitting display as described in claim 1, which is characterized in that the support column is L shape structure, described
The longitudinal section on two sides of L shape structure is arcwall face.
4. organic light emitting display as described in claim 1, which is characterized in that the support column is hemispherical dome structure.
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| CN201710208694.1A CN106910841B (en) | 2017-03-31 | 2017-03-31 | Array substrate and its manufacturing method and organic light emitting display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710208694.1A CN106910841B (en) | 2017-03-31 | 2017-03-31 | Array substrate and its manufacturing method and organic light emitting display |
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| CN106910841A CN106910841A (en) | 2017-06-30 |
| CN106910841B true CN106910841B (en) | 2019-08-23 |
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| CN107331791B (en) | 2017-07-20 | 2019-01-29 | 上海天马有机发光显示技术有限公司 | Organic light emitting display panel and preparation method thereof, organic light-emitting display device |
| CN109004003B (en) | 2018-07-16 | 2021-08-13 | 云谷（固安）科技有限公司 | Display screen and display device |
| CN109037470A (en) | 2018-07-16 | 2018-12-18 | 云谷（固安）科技有限公司 | Display screen, display device |
| CN109148531B (en) | 2018-08-20 | 2021-01-26 | 云谷（固安）科技有限公司 | Display panel, display device and preparation method of display panel |
| CN109378329A (en) * | 2018-09-28 | 2019-02-22 | 昆山国显光电有限公司 | Organic light-emitting display device and preparation method thereof, the mask plate for preparing support column |
| WO2021003743A1 (en) * | 2019-07-11 | 2021-01-14 | 深圳市柔宇科技有限公司 | Oled display panel and display apparatus |
| US11610948B2 (en) | 2020-07-07 | 2023-03-21 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | OLED with butterfly-shaped spacer |
| CN111863890B (en) * | 2020-07-07 | 2021-12-28 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN111952340B (en) * | 2020-08-03 | 2023-01-31 | Oppo广东移动通信有限公司 | Flexible display panel, manufacturing method and electronic equipment |
| CN113644219A (en) * | 2021-08-10 | 2021-11-12 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113658988B (en) * | 2021-08-17 | 2024-01-09 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN114122291B (en) * | 2021-11-15 | 2023-04-07 | 惠州华星光电显示有限公司 | OLED display device and manufacturing method thereof |
| CN117598043A (en) * | 2022-05-31 | 2024-02-23 | 京东方科技集团股份有限公司 | Substrate to be evaporated, display substrate and preparation method of display substrate |
| WO2024092483A1 (en) * | 2022-11-01 | 2024-05-10 | 京东方科技集团股份有限公司 | Light-emitting substrate, light-emitting device, and lighting device |
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Denomination of invention: Array substrate and its manufacturing method and organic light emitting display Effective date of registration: 20201221 Granted publication date: 20190823 Pledgee: Xin Xin Finance Leasing Co.,Ltd. Pledgor: KunShan Go-Visionox Opto-Electronics Co.,Ltd. Registration number: Y2020980009652 |