CN106206989B - Organic light-emitting display device and preparation method thereof - Google Patents
Organic light-emitting display device and preparation method thereof Download PDFInfo
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- CN106206989B CN106206989B CN201610750887.5A CN201610750887A CN106206989B CN 106206989 B CN106206989 B CN 106206989B CN 201610750887 A CN201610750887 A CN 201610750887A CN 106206989 B CN106206989 B CN 106206989B
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- encapsulation
- pattern film
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- 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
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
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- 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
- H10K59/10—OLED displays
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- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of organic light-emitting display devices.The organic light-emitting display device includes encapsulation cover plate and packaged glass material that array substrate and array substrate with viewing area and non-display area are oppositely arranged, several pixel units is provided in viewing area；Packaged glass material is set to the non-display area in array substrate, and the viewing area in array substrate is equipped with sealing device, and sealing device is enclosed set on the pixel unit surrounding.Above-mentioned organic light-emitting display device; due to being provided with sealing device in viewing area, sealing device can be sealed pixel unit encapsulation, it can be achieved that the separately protected of pixel unit; to further increase the protection to pixel unit, to extend the service life of screen body.The invention also discloses a kind of preparation methods of organic light-emitting display device.
Description
Technical field
The present invention relates to organic display technical fields, more particularly to a kind of organic light-emitting display device and its preparation side
Method.
Background technology
Currently, the packaged type of organic light-emitting display device has packaged type and the Frit encapsulation of conventional cushion drying sheet
Deng；Wherein the encapsulation of conventional cushion drying sheet is generally only suitable for bottom luminescent device, is not applied for top illuminating device, and mechanical structure
Clumsy and cost is higher；Frit encapsulation is big to sealing material dependency degree, is also generally useful in small-medium size screen, Wu Fashi at present
For large size panel.What is more important, above-mentioned packaged type are to carry out surrounding package to entire organic light-emitting display device,
I.e. the position of sealing material is located in the non-display area of organic light-emitting display device surrounding, can not individually be protected to pixel unit
Shield.
Invention content
Based on this, it is necessary to can not carry out separately protected ask to pixel unit for existing organic light-emitting display device
Topic, provides a kind of organic light-emitting display device that encapsulation can be sealed to pixel unit.
A kind of organic light-emitting display device comprising the array substrate with viewing area and non-display area and the array
The encapsulation cover plate that substrate is oppositely arranged and the packaged glass material being arranged between the array substrate and the encapsulation cover plate, institute
It states and is provided with several pixel units in viewing area；
The packaged glass material is set to the non-display area in the array substrate, and the viewing area in the array substrate is set
There are sealing device, the sealing device to enclose set on the pixel unit surrounding.
Compared with prior art, organic light-emitting display device of the invention, due to being provided with sealing device in viewing area,
Sealing device can be sealed pixel unit encapsulation, it can be achieved that the separately protected of pixel unit, to further increase pair
The protection of pixel unit, to extend the service life of screen body.
The sealing device is made of several sealing rings in one of the embodiments,.
The sealing ring is arranged in a one-to-one correspondence with the pixel unit in one of the embodiments,.
The adjacent sealing ring is total to side in one of the embodiments,.
The sealing device is by investing the first encapsulation pattern on the inside of the array substrate in one of the embodiments,
Film layer is binded with the second encapsulation pattern film invested on the inside of the encapsulation cover plate.
The section of the first encapsulation pattern film has the first zigzag protrusion in one of the embodiments, described
The section of second encapsulation pattern film has the second zigzag protrusion, and the first zigzag protrusion and second zigzag are convex
Rising can engage.
The material of the first encapsulation pattern film encapsulates pattern film with described second in one of the embodiments,
Material is independently selected from one or more of polyurethane, acrylic resin and polyamide.
The present invention also provides a kind of display devices.
A kind of preparation method of organic light-emitting display device, includes the following steps：
Viewing area in array substrate forms the first encapsulation pattern film, then the viewing area in the array substrate
Form pixel unit；
The second encapsulation pattern film is formed on encapsulation cover plate；
Array substrate with pixel unit and the encapsulation cover plate with the second encapsulation pattern film is vacuum abutted, and dry
It is roasting that the first encapsulation pattern film and second is made to encapsulate pattern film bonding.
The preparation method of above-mentioned organic light-emitting display device, can be right, it can be achieved that the viewing area in array substrate is sealed
Pixel unit is accurately encapsulated, to further increase the protection to pixel unit, to extend the service life of screen body.
The first encapsulation pattern film passes through exposure with the second encapsulation pattern film in one of the embodiments,
The mode of photodevelopment is formed.
The temperature of the baking is 80~120 DEG C in one of the embodiments,.
Description of the drawings
Fig. 1 is the encapsulation decomposition diagram of the organic light-emitting display device of embodiment 1.
Fig. 2 is the vertical view of the array substrate of the organic light-emitting display device in Fig. 1.
Fig. 3 is the upward view of the encapsulation cover plate of the organic light-emitting display device in Fig. 1.
Fig. 4 is the micro-structure schematic diagram of the packaging line in Fig. 1.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as " being set to " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant Listed Items.
Referring to Fig. 1-4, a kind of organic light-emitting display device 100, according to display whether be divided into viewing area 101 and
Non-display area 102.Non-display area 102 be located at viewing area 101 periphery (in Fig. 1 with dotted line X come indicate viewing area 101 with it is non-aobvious
Show the separator bar in area 102).Usually, from the point of view of the front of organic light-emitting display device 100, viewing area 101 is rectangle or side
Shape, accordingly, non-display area 102 are rectangle frame or box.
Specifically, organic light-emitting display device 100 includes array substrate 110, encapsulation cover plate 120, pixel unit 150, envelope
Glaze material 160 and sealing device.
Wherein, the main function of array substrate 110 is, for carrying and controlling pixel unit 150.The present invention is to array
Substrate 110 is not particularly limited, and various array substrates known in those skilled in the art may be used.In the present embodiment,
Array substrate 110 is LTPS (Low Temperature Poly-silicon) substrate.Organic hair can be further increased in this way
The performance of electro-optical display device 100.
Wherein, the main function of encapsulation cover plate 120 is to stop that moisture and air enter organic light-emitting display device from upside
100 inside.In the present embodiment, encapsulation cover plate 120 is glass cover-plate, more specifically, encapsulation cover plate 120 uses quartz glass
It is made.It is, of course, understood that encapsulation cover plate 120 can also use other caps known in those skilled in the art
Plate.
Wherein, pixel unit 150 generally comprises cathode, functional structure layer, anode and constitutes.Wherein, functional structure layer is general
It is made of successively electron injecting layer, electron transfer layer, organic luminous layer, hole transmission layer hole injection layer.Usually, pixel list
Member 150 includes three sub-pixels, respectively feux rouges sub-pixel 151, green light sub-pixel 152 and blue light sub-pixel 153.
Pixel unit 150 is arranged on viewing area 101.In order to facilitate display, a picture is merely illustrated in figures 1 and 3
Plain unit 150, other pixel units are not shown.Several pixel units 150 of arrangement in viewing area 101, of pixel unit 150
Resolution ratio are arranged number according to the display device.
Wherein, packaged glass material 160 is arranged between array substrate 110 and encapsulation cover plate 120, is located at non-display area 102
It is interior.Main purpose is to stop that moisture and air enter the inside of organic light-emitting display device 100 from side.Packaged glass material
Various structures known in those skilled in the art may be used, details are not described herein.
Wherein, sealing device is arranged in viewing area 101.Sealing device encloses the surrounding set on pixel unit 150, to pixel
Unit 150 is sealed encapsulation.Due to being provided with sealing device in viewing area, sealing device can be sealed pixel unit
Encapsulation is, it can be achieved that the separately protected of pixel unit, to further increase the protection to pixel unit, to extend screen body
Service life.
Specifically, sealing device is binded by the first encapsulation pattern film 130 and the second encapsulation pattern film 140.
First encapsulation pattern film 130 invests the inside of array substrate 110, namely the side towards encapsulation cover plate 120.Second encapsulation figure
Case film layer 140 invests the inside of encapsulation cover plate 120, namely the side towards array substrate 110.That is, the first encapsulation figure
Case film layer 130 is oppositely arranged with the second encapsulation pattern film 140.
In the present embodiment, the first encapsulation pattern film 130 and second encapsulates 140 covering viewing areas 101 of pattern film.
Wherein, the first encapsulation pattern film 130 and second encapsulates pattern film 140 and is made of several packaging lines.For
Convenient for explanation, by the packaging line of the first encapsulation pattern film 130 marked as 131, similarly, pattern film 140 is encapsulated by second
Packaging line marked as 141.
The corresponding part that first encapsulation pattern film 130 and second encapsulates pattern film 140 mutually binds formation sealing dress
It sets.Namely sealing device is made of packaging line 131 and the bonding of packaging line 141.
Specifically, sealing device is made of several sealing rings.
In the present embodiment, sealing ring is arranged in a one-to-one correspondence with pixel unit 150.That is, each pixel unit 150
Periphery be correspondingly arranged a sealing ring.It is, of course, understood that can also be that a sealing ring corresponds to two pixels of sealing
It is unit, three pixel units, even more.
More specifically, sealing ring is rectangular or square.It is, of course, understood that the shape of sealing ring is not limited to
Above-mentioned shape.In the present embodiment, all sealing rings, that is, sealing device forms network, that is to say, that seal line is in envelope
The network closed.Namely the sealing ring of adjacent pixel unit 150 shares a line, pixel unit 150 is embedded in network
Mesh in.
Referring to Fig. 4,131 section of packaging line of the first encapsulation pattern film 130 is the first zigzag protrusion, the second encapsulation figure
The packaging line 141 of case film layer 140 is the second zigzag protrusion, and the first zigzag protrusion can be engaged with the second zigzag protrusion.
Sealing effect can be further enhanced in this way.
The material of the material of first encapsulation pattern film 130 and the second encapsulation pattern film 140 with photo-sensitive characteristic and
Temperature-sensitive.First encapsulation pattern film 130 material with second encapsulate pattern film 140 material be independently selected from polyurethane,
One or more of acrylic resin and polyamide (PA).
It shines it is, of course, understood that the organic light-emitting display device of the present invention can be bottom, can also be top hair
Light.
Compared with prior art, organic light-emitting display device of the invention, due to being provided with sealing device in viewing area,
Sealing device can be sealed pixel unit encapsulation, it can be achieved that the separately protected of pixel unit, to further increase pair
The protection of pixel unit, to extend the service life of screen body.
The present invention also provides a kind of preparation methods of organic light-emitting display device.
A kind of preparation method of organic light-emitting display device, includes the following steps：
S1, the viewing area 101 in array substrate 110 form the first encapsulation pattern film 130, then in array substrate
Viewing area 101 on 110 forms pixel unit 150；
S2, the viewing area 101 on encapsulation cover plate 120 form the second encapsulation pattern film 140；
S3, by with pixel unit 150 array substrate 110 with second encapsulation pattern film 140 encapsulation cover plate
120 is vacuum abutted, and toasting makes the first encapsulation pattern film 130 and second encapsulation pattern film 140 bind.
Wherein, the present invention can first carry out step S1 to step S1 and step S2 there is no point of sequence, can also be advanced
Row step S2, can also be carried out at the same time step S1 and step S2.
Wherein, the first encapsulation pattern film 130 is only positioned in viewing area 101.Similarly, the second encapsulation pattern film 140
In viewing area 101.
Preferably, the first encapsulation pattern film 130 and second encapsulates the shape by the way of exposure imaging of pattern film 140
At.That is, being initially formed a tunic in the inside of array substrate 110, pattern is then formed by way of exposure imaging, i.e.,
Obtain encapsulation pattern film.It is, of course, understood that according to the difference of actual conditions, those skilled in the art may be used
(such as mask mode) directly forms encapsulation pattern film otherwise.
Wherein, method known in those skilled in the art may be used in the formation of pixel unit 150, no longer superfluous herein
It states.
Wherein, the vacuum abutted main purpose in step S3 is made inside organic light emitting apparatus without air and the
One encapsulation pattern film 130 and second encapsulates pattern film 140 relatively and gets together, and base is provided for baking bonding below
Plinth.
The present invention is not particularly limited the temperature of baking, as long as temperature not array substrate 110 and pixel unit 150
It causes to damage and the first encapsulation pattern film 130 is enable to encapsulate pattern film 140 with second to bind.Preferably, the temperature of baking
Degree is 80~120 DEG C.The performance of organic light-emitting display device is further increased in this way.
The preparation method of above-mentioned organic light-emitting display device, can be right, it can be achieved that the viewing area in array substrate is sealed
Pixel unit is accurately encapsulated, to further increase the protection to pixel unit, to extend the service life of screen body.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of organic light-emitting display device comprising the array substrate with viewing area and non-display area and the array base
The encapsulation cover plate that plate is oppositely arranged and the packaged glass material being arranged between the array substrate and the encapsulation cover plate, it is described
Several pixel units are provided in viewing area；
It is characterized in that：The packaged glass material is set to the non-display area in the array substrate, in the array substrate
Viewing area is equipped with sealing device, and the sealing device is enclosed set on the pixel unit surrounding with the hermetically sealed pixel unit；
The sealing device is by investing the first encapsulation pattern film on the inside of the array substrate and investing the encapsulation cover plate
Second encapsulation pattern film of inside binds.
2. organic light-emitting display device according to claim 1, which is characterized in that the sealing device is by several sealing rings
Composition.
3. organic light-emitting display device according to claim 2, which is characterized in that the sealing ring and the pixel unit
It is arranged in a one-to-one correspondence.
4. organic light-emitting display device according to claim 2, which is characterized in that the adjacent sealing ring is total to side.
5. organic light-emitting display device according to claim 1, which is characterized in that the first encapsulation pattern film is cut
There is the first zigzag protrusion, the section of the second encapsulation pattern film to have the second zigzag protrusion, first saw in face
Detent projection can be engaged with the second zigzag protrusion.
6. organic light-emitting display device according to claim 1, which is characterized in that the material of the first encapsulation pattern film
The material that material encapsulates pattern film with described second is independently selected from one kind in polyurethane, acrylic resin and polyamide
Or it is several.
7. a kind of preparation method of organic light-emitting display device, which is characterized in that include the following steps：
Viewing area in array substrate forms the first encapsulation pattern film, and then the viewing area in the array substrate is formed
Pixel unit；
The second encapsulation pattern film is formed on encapsulation cover plate；
Array substrate with pixel unit and the encapsulation cover plate with the second encapsulation pattern film is vacuum abutted, and baking makes
First encapsulation pattern film and the second encapsulation pattern film bonding；
The first encapsulation pattern film and the second encapsulation pattern film are disposed around the pixel unit surrounding with hermetically sealed institute
State pixel unit.
8. the preparation method of organic light-emitting display device according to claim 7, which is characterized in that the first encapsulation figure
Case film layer is formed by way of exposure imaging with the second encapsulation pattern film.
9. the preparation method of organic light-emitting display device according to claim 7, which is characterized in that the temperature of the baking
It is 80~120 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610750887.5A CN106206989B (en) | 2016-08-29 | 2016-08-29 | Organic light-emitting display device and preparation method thereof |
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| CN201610750887.5A CN106206989B (en) | 2016-08-29 | 2016-08-29 | Organic light-emitting display device and preparation method thereof |
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| CN106206989A CN106206989A (en) | 2016-12-07 |
| CN106206989B true CN106206989B (en) | 2018-11-09 |
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| CN107887422B (en) | 2017-10-31 | 2020-12-25 | 昆山国显光电有限公司 | Organic electroluminescent device, display and mobile communication equipment |
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| US7792489B2 (en) * | 2003-12-26 | 2010-09-07 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device, electronic appliance, and method for manufacturing light emitting device |
| KR100840117B1 (en) * | 2007-09-05 | 2008-06-19 | 삼성에스디아이 주식회사 | Light emitting display device and fabrication method for the same |
| KR20090042011A (en) * | 2007-10-25 | 2009-04-29 | 엘지디스플레이 주식회사 | Organic light emitting display device and method for fabricating the same |
| CN103426896A (en) * | 2012-05-15 | 2013-12-04 | 群康科技(深圳)有限公司 | Organic light-emitting diode display device |
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Denomination of invention: Organic light emitting display device and its preparation method Effective date of registration: 20201221 Granted publication date: 20181109 Pledgee: Xin Xin Finance Leasing Co.,Ltd. Pledgor: KunShan Go-Visionox Opto-Electronics Co.,Ltd. Registration number: Y2020980009652 |
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