WO2015039495A1 - 有机电致发光器件封装结构 - Google Patents
有机电致发光器件封装结构 Download PDFInfo
- Publication number
- WO2015039495A1 WO2015039495A1 PCT/CN2014/083036 CN2014083036W WO2015039495A1 WO 2015039495 A1 WO2015039495 A1 WO 2015039495A1 CN 2014083036 W CN2014083036 W CN 2014083036W WO 2015039495 A1 WO2015039495 A1 WO 2015039495A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- organic electroluminescent
- electroluminescent device
- barrier layer
- packaging structure
- substrate
- Prior art date
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract 22
- 230000004888 barrier function Effects 0.000 claims abstract description 78
- 239000000758 substrate Substances 0.000 claims abstract description 58
- 239000003921 oil Substances 0.000 claims description 23
- 235000019198 oils Nutrition 0.000 claims description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 239000000565 sealant Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- -1 polydiphenylsiloxane Polymers 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- UMVBXBACMIOFDO-UHFFFAOYSA-N [N].[Si] Chemical class [N].[Si] UMVBXBACMIOFDO-UHFFFAOYSA-N 0.000 claims description 4
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical group [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 claims description 4
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 4
- 235000019489 Almond oil Nutrition 0.000 claims description 3
- 239000005662 Paraffin oil Substances 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000008168 almond oil Substances 0.000 claims description 3
- 239000010630 cinnamon oil Substances 0.000 claims description 3
- 239000003240 coconut oil Substances 0.000 claims description 3
- 235000019864 coconut oil Nutrition 0.000 claims description 3
- 235000005687 corn oil Nutrition 0.000 claims description 3
- 239000002285 corn oil Substances 0.000 claims description 3
- 235000012343 cottonseed oil Nutrition 0.000 claims description 3
- 239000002385 cottonseed oil Substances 0.000 claims description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- DOYSNKVXNZSWCT-UHFFFAOYSA-N disilanyl(phenyl)silane Chemical compound [SiH3][SiH2][SiH2]C1=CC=CC=C1 DOYSNKVXNZSWCT-UHFFFAOYSA-N 0.000 claims description 3
- 239000000944 linseed oil Substances 0.000 claims description 3
- 235000021388 linseed oil Nutrition 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000005416 organic matter Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000004606 Fillers/Extenders Substances 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000002927 oxygen compounds Chemical class 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Classifications
-
- 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
- H10K50/844—Encapsulations
- H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
-
- 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
-
- 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
- H10K50/844—Encapsulations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/351—Thickness
Definitions
- the present invention relates to the field of display technology, and in particular to an organic electroluminescent device package structure. Background technique
- OLEDs Organic electroluminescent devices
- Organic electroluminescent devices are very sensitive to water vapor and oxygen, and water vapor and oxygen permeating into the interior of organic electroluminescent devices are the main factors affecting the lifetime of organic electroluminescent devices. Therefore, the organic electroluminescent device needs to be sealed and packaged before it can be used.
- An object of the present invention is to provide an organic electroluminescent device package structure which can effectively prevent oxygen and/or water vapor from entering the interior of an organic electroluminescent device package structure.
- the present invention provides an organic electroluminescent device package structure including a first substrate, a second substrate, and an organic electroluminescent device, wherein the organic electroluminescent device is disposed at On the first substrate, the second substrate is spaced apart from the first substrate to dispose the organic electroluminescent device in a sealed space between the first substrate and the second substrate, where
- the organic electroluminescent device package structure further includes a first barrier layer and a filling oil filled in the sealed space, the first barrier layer covering an outer surface of the organic electroluminescent device.
- the extender oil is selected from the group consisting of silicone oil, phenyltrisilane, polydiphenylsiloxane, polydimethylsiloxane, paraffin oil, mineral oil, almond oil, corn oil, cottonseed oil, polyperfluoroether oil, One or more of linseed oil, cinnamon oil, and coconut oil.
- the material forming the first barrier layer is selected from any one or more of an oxygen compound of silicon, a nitrogen compound of silicon, a carbonitride of silicon, and an oxynitride of silicon.
- the first barrier layer has a thickness between 100 nm and 100 nm.
- the organic electroluminescent device package structure further includes a second barrier layer overlying an outer surface of the first barrier layer.
- the second barrier layer is formed of an organic substance.
- the organic substance is selected from the group consisting of bisphenol A epoxy oligomer, polyethylene glycol glycidyl ether, glycidyl alkyl ether, ⁇ -caprolactone modified 3,4-epoxycyclohexylmethyl 3 ',4 One or more of '-epoxycyclohexylformate, 3,4-epoxycyclohexenemethyl 3',4'-epoxycyclohexenecarboxylate.
- the viscosity index of the organic substance before crosslinking and curing to form the second barrier layer is between 3000 mPa ⁇ s and 7000 mPa ⁇ s.
- the thickness of the second barrier layer is between ⁇ ⁇ to 5 ⁇ .
- the organic electroluminescent device package structure further includes a third barrier layer overlying an outer surface of the second barrier layer.
- the material forming the third barrier layer is selected from any one or more of an oxygen compound of silicon, a nitrogen compound of silicon, a carbonitride of silicon, and an oxynitride of silicon.
- the third barrier layer has a thickness between 100 nm and 200 nm.
- the organic electroluminescent device package structure further includes a frame sealant disposed between the first substrate and the second substrate, wherein the first substrate, the second substrate, and the frame sealant are enclosed The sealed space.
- the material forming the sealant is a thermosetting resin or a photosensitive resin.
- Embodiments of the present invention provide an organic electroluminescent device package structure, which encapsulates an organic electroluminescent device by a combination of a filler oil and a first barrier layer, thereby effectively preventing water vapor and oxygen from coming into contact with the organic electroluminescent device, thereby extending The service life of organic electroluminescent devices.
- FIG. 1 is a schematic view of an organic electroluminescent device package structure according to an embodiment of the present invention.
- FIG. 2 is a schematic diagram of an organic electroluminescent device package structure according to an embodiment of the present invention.
- Fig. 3 is a schematic view showing a sealed space in the organic electroluminescent device package structure shown in Figs. 1 and 2. detailed description
- the present invention provides an organic electroluminescent device package structure including a first substrate 10, a second substrate 20, and an organic electroluminescent device 30, organic
- the light-emitting device 30 is disposed on the first substrate 10, and the second substrate 20 is spaced apart from the first substrate 10 to dispose the organic electroluminescent device 30 in the sealed space 90 between the first substrate 10 and the second substrate 20
- the organic electroluminescent device package structure further includes a first barrier layer 40 and a filling oil 50 filled in the sealed space 90.
- the first barrier layer 40 covers the organic electroluminescent device 30.
- the outer surface (the surface on which the organic electroluminescent device 30 is bonded to the first substrate 10 is the inner surface of the organic electroluminescent device 30).
- Both the extender oil 50 and the first barrier layer 40 have the effect of preventing contact of water vapor and oxygen with the organic electroluminescent device 30, which in combination further reduces the risk of water vapor and oxygen coming into contact with the organic electroluminescent device 30, Thereby, the service life of the organic electroluminescent device 30 is prolonged.
- the first barrier layer 40 covers the entire outer surface of the organic electroluminescent device 30, and therefore, the first barrier layer 40 can effectively prevent any water vapor and oxygen from the organic electroluminescent device 30.
- the parts are in contact.
- the first barrier layer 40 is located in the filling oil 50.
- the provision of the filling oil 50 prevents water vapor and oxygen from coming into contact with the first barrier layer 40, thereby further reducing water vapor and oxygen. The risk of contact with the organic electroluminescent device 30 through the first barrier layer 40.
- the specific material of the filling oil 50 is not particularly limited as long as it can prevent the contact of water vapor and oxygen with the organic electroluminescent device.
- the first substrate 10, the second substrate 20, the first barrier layer 40, and the filling oil 50 are all transparent, and do not affect the light emission from the organic electroluminescent device 30.
- the extender oil 50 may be selected from the group consisting of silicone oil, phenyltrisilane, polydiphenylsiloxane, polydimethylsiloxane, paraffin oil, mineral oil, almond oil, corn oil, cottonseed oil.
- polyfluoroether oil, linseed oil, cinnamon oil, and coconut oil are examples of polyfluoroether oil, linseed oil, cinnamon oil, and coconut oil.
- the height between the first substrate 10 and the second substrate 20 is between 3 ⁇ and
- the thickness of the oil film formed by the filling oil 50 is also between 3 ⁇ and ⁇ , and is transparent when the thickness of the material of the above-mentioned filling oil 50 is between 3 ⁇ m and ⁇ .
- the viscosity index of the extender oil 50 may be between 200 mPa ⁇ s and 1000 airPa ⁇ s.
- the material forming the first barrier layer 40 may be selected from silicon oxygen compounds. Any one or more of (SiOx), a silicon nitrogen compound (SiNx), a silicon carbonitride (SiCxNy), and a silicon oxynitride (SiOxNy). It should be understood that in the above four compounds, the value of X in the chemical formula of each compound may be the same as or different from the value of X in the formula of the other compound.
- the first barrier layer 40 may be deposited over the organic electroluminescent device 30 by plasma deposition, sputtering, or the like.
- the thickness of the first barrier layer 40 may be set between 100 nm and 100 nm.
- the organic electroluminescent device package structure may further include a second barrier layer 60, the second barrier layer 60 covering On the outer surface of a barrier layer 40 (the surface of the first barrier layer 40 that is in contact with the organic electroluminescent device 30 and the first substrate 10 is the inner surface of the first barrier layer 40).
- the second barrier layer 60 covers the first barrier layer 40 On the entire outer surface, oxygen and water vapor can be prevented from coming into contact with any portion of the first barrier layer 40. It should be understood that the second barrier layer 60 is also transparent.
- the second barrier layer 60 may be formed of an organic substance.
- the advantage of using the organic material to form the second barrier layer 60 is that the second barrier layer 60 is disposed over the first barrier layer 40 by coating, avoiding the complicated process of forming the inorganic barrier layer (eg, plasma deposition, sputtering). Wait) .
- the second barrier layer 60 can be obtained by crosslinking and curing the oligomer. Therefore, the organic substance forming the second barrier layer 60 may be a thermosetting resin or a photosensitive resin. Specifically, the organic substance is selected from the group consisting of bisphenol A epoxy oligomer, polyethylene glycol glycidyl ether, glycidyl alkyl ether, ⁇ -caprolactone modified 3,4-epoxycyclohexylmethyl 3 One or more of ',4'-epoxycyclohexylformate, 3,4-epoxycyclohexenemethyl 3',4'-epoxycyclohexenecarboxylate.
- the viscosity index of the organic substance before crosslinking and curing to form the second barrier layer 60 may be between 3,000 mPa ⁇ s and 7,000 mPa ⁇ s.
- the thickness of the second barrier layer 60 may be set between ⁇ ⁇ to 5 ⁇ .
- the organic electroluminescent device package structure may further include a third barrier layer 70, the third barrier layer 70 covering the second The outer surface of the barrier layer 60 (the surface of the second barrier layer 60 that is in contact with the first barrier layer 40 and the first substrate 10 is the inner surface of the second barrier layer 60).
- the third barrier layer 70, BP may be formed by using the same or similar material as the first barrier layer 40, and the material forming the third barrier layer 70 is selected from the group consisting of silicon oxygen compounds and silicon nitrogen compounds. Any one or more of silicon carbonitrides and silicon oxynitrides.
- the thickness of the third barrier layer 70 may be set between 100 nm and 200 nm.
- the organic electroluminescent device 30 is formed in a sealed space.
- the organic electroluminescent device package structure further includes a first substrate 10 and a second substrate.
- the sealant 80 between the substrates 20, the first substrate 10, the second substrate 20, and the sealant 80 enclose a sealed space 90.
- the material forming the sealant 80 may be a thermosetting resin or a photosensitive resin.
- the material forming the sealant 80 may be a thermosetting resin such as an epoxy resin, an epoxy phenol, an epoxy urethane, a phenol resin, or a urethane resin.
- the first barrier layer 40, the second barrier layer 60, and the third barrier layer 70 are sequentially prepared on the first substrate 10.
- the first substrate 10 and the second substrate 20 are paired, and the first substrate 10 and the second substrate 20 behind the box are heated to further cure the frame sealant, thereby forming the organic electroluminescent device package structure. .
- the volume of the sealed space 90 and the amount of the filling oil 50 required in the step S4 may be defined according to the specific size of the desired organic electroluminescent device package structure, and the filling oil 50 is filled with the third barrier layer 70, the sealant 80 And a space defined by the second substrate 20.
- the organic electroluminescent device package structure has good sealing performance, water vapor and oxygen can be effectively prevented from coming into contact with the organic electroluminescent device, thereby prolonging the service life of the organic electroluminescent device.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/428,794 US9466812B2 (en) | 2013-09-17 | 2014-07-25 | Organic electroluminescent device packaging structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310425224.2 | 2013-09-17 | ||
CN201310425224.2A CN103456892B (zh) | 2013-09-17 | 2013-09-17 | 有机电致发光器件封装结构 |
Publications (1)
Publication Number | Publication Date |
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WO2015039495A1 true WO2015039495A1 (zh) | 2015-03-26 |
Family
ID=49739048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/083036 WO2015039495A1 (zh) | 2013-09-17 | 2014-07-25 | 有机电致发光器件封装结构 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9466812B2 (zh) |
CN (1) | CN103456892B (zh) |
WO (1) | WO2015039495A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103456892B (zh) | 2013-09-17 | 2016-06-29 | 京东方科技集团股份有限公司 | 有机电致发光器件封装结构 |
CN104157705B (zh) | 2014-08-05 | 2017-08-04 | 京东方科技集团股份有限公司 | 一种阻隔膜层、具其的光电器件及光电器件的制作方法 |
CN104505469B (zh) * | 2015-01-04 | 2017-04-05 | 京东方科技集团股份有限公司 | 一种有机发光二极管显示基板及其封装方法 |
CN105185922B (zh) * | 2015-06-12 | 2018-09-21 | 合肥京东方光电科技有限公司 | 一种封装结构及封装方法、oled装置 |
CN107425136B (zh) * | 2017-05-11 | 2020-02-18 | 京东方科技集团股份有限公司 | 一种oled显示面板及其制备方法 |
CN108428802B (zh) | 2018-03-27 | 2020-11-03 | 京东方科技集团股份有限公司 | 一种显示面板及其封装方法、oled装置 |
CN111180611A (zh) * | 2019-02-15 | 2020-05-19 | 广东聚华印刷显示技术有限公司 | 薄膜封装方法及由其制备而成的薄膜封装结构 |
CN110098349B (zh) * | 2019-05-23 | 2020-09-01 | 武汉华星光电半导体显示技术有限公司 | 一种oled显示面板及其制备方法 |
CN110828704A (zh) * | 2019-10-28 | 2020-02-21 | 深圳市华星光电半导体显示技术有限公司 | 显示面板的封装方法及封装结构 |
KR20210079898A (ko) * | 2019-12-20 | 2021-06-30 | 엘지디스플레이 주식회사 | 표시장치 |
CN112133832A (zh) * | 2020-09-08 | 2020-12-25 | 北京大学 | 一种钙钛矿太阳能电池的封装结构和封装方法 |
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2013
- 2013-09-17 CN CN201310425224.2A patent/CN103456892B/zh active Active
-
2014
- 2014-07-25 US US14/428,794 patent/US9466812B2/en active Active
- 2014-07-25 WO PCT/CN2014/083036 patent/WO2015039495A1/zh active Application Filing
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CN1459996A (zh) * | 2002-05-23 | 2003-12-03 | 三星Sdi株式会社 | 密封有机电致发光器件的方法和使用该方法的发光板 |
CN101335291A (zh) * | 2007-06-28 | 2008-12-31 | 三星Sdi株式会社 | 发光显示器及其制造方法 |
CN101847650A (zh) * | 2009-03-24 | 2010-09-29 | 三星移动显示器株式会社 | 有机发光显示装置 |
CN103456892A (zh) * | 2013-09-17 | 2013-12-18 | 京东方科技集团股份有限公司 | 有机电致发光器件封装结构 |
CN203644824U (zh) * | 2013-09-17 | 2014-06-11 | 京东方科技集团股份有限公司 | 有机电致发光器件封装结构 |
Also Published As
Publication number | Publication date |
---|---|
US20160013444A1 (en) | 2016-01-14 |
CN103456892A (zh) | 2013-12-18 |
US9466812B2 (en) | 2016-10-11 |
CN103456892B (zh) | 2016-06-29 |
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