WO2006046679A1 - 有機エレクトロルミネセンス表示装置及びその製造方法 - Google Patents
有機エレクトロルミネセンス表示装置及びその製造方法 Download PDFInfo
- Publication number
- WO2006046679A1 WO2006046679A1 PCT/JP2005/019849 JP2005019849W WO2006046679A1 WO 2006046679 A1 WO2006046679 A1 WO 2006046679A1 JP 2005019849 W JP2005019849 W JP 2005019849W WO 2006046679 A1 WO2006046679 A1 WO 2006046679A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- organic
- organic electroluminescence
- electroluminescence display
- resin
- display panel
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000005401 electroluminescence Methods 0.000 title claims description 25
- 239000011347 resin Substances 0.000 claims abstract description 117
- 229920005989 resin Polymers 0.000 claims abstract description 117
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000002346 layers by function Substances 0.000 claims abstract description 21
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 20
- 238000004528 spin coating Methods 0.000 claims description 7
- 229910010272 inorganic material Inorganic materials 0.000 claims description 6
- 239000011147 inorganic material Substances 0.000 claims description 6
- 238000004020 luminiscence type Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 74
- 239000000463 material Substances 0.000 description 10
- 229920001187 thermosetting polymer Polymers 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000005525 hole transport Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum chelate complex Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical class C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8723—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
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
Definitions
- the present invention relates to an organic electronics outer luminescence display device and a manufacturing method thereof.
- an organic electroluminescence display device including an organic electroluminescence display panel (hereinafter referred to as an organic EL display panel) using an organic light emitting material having electroluminescence properties as a light source is known. It ’s known.
- the organic EL display panel includes an organic electroluminescent element (hereinafter referred to as an organic EL element) in which an organic functional layer having a light emitting function is sandwiched between an anode and a cathode, and a substrate that supports the organic EL element A plurality of the organic EL elements are arranged on the substrate in a matrix shape, for example.
- the anode is made of a material having a high work function such as indium tin oxide (ITO).
- the cathode is formed by using a material having a low work function, that is, an alloy based on an alkali metal and an alkaline earth metal.
- the organic functional layer includes functional layers such as a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer.
- the organic functional layer is, for example, a single layer of a light emitting layer only having a light emitting function due to the strength of an organic compound material, or a three-layer structure of an organic hole transporting layer, a light emitting layer and an organic electron transporting layer, or an organic hole transporting layer.
- a two-layer structure of a light emitting layer, and a laminate in which an electron or hole injection layer or a carrier block layer is inserted between these appropriate layers can be obtained.
- the organic EL element By sealing the organic EL element, the organic EL element is not directly exposed to moisture in the atmosphere. However, in the case of an organic EL display panel using a substrate made of a resin material, moisture in the atmosphere passes through the substrate and reaches the organic EL element. Therefore, a moisture-proof film made of an inorganic material and impermeable to moisture is formed on a resin substrate (Japanese Patent Laid-Open No. 2002-100469).
- the organic EL display panel is connected to an external circuit such as a drive circuit for driving the display panel via wiring on the wiring board, and the electrode pulling of the anode and cathode of the display panel is performed.
- the lead-out portion and the wiring of the wiring board are bonded with a conductive adhesive or the like. Then, when the display panel is deformed, there is a possibility that the electrode lead portion and the wiring are peeled off.
- An object of the present invention is to provide a means for solving various problems cited as examples of the above-mentioned problem power si.
- An organic EL display device includes an organic EL element including an organic functional layer including a light emitting layer and first and second display electrodes sandwiching the organic functional layer, and the organic EL element.
- An organic EL display device including an organic EL display panel having a resin substrate, an inorganic barrier film covering the surface of the resin substrate, and a resin sealing film surrounding the organic EL display panel It is characterized by including these.
- An organic EL display device manufacturing method includes an organic EL element comprising an organic functional layer including a light emitting layer and first and second display electrodes sandwiching the organic functional layer, and the organic EL element A resin substrate, and an organic EL display device including an organic EL display panel having an enclosing step of enclosing the organic EL display panel with a resin sealing film. It is characterized by that.
- FIG. 1 is a partial sectional view of an organic EL display device according to the present invention.
- the organic EL display panel 1 has an organic function including a resin substrate 3 whose surface is covered with an inorganic barrier film 2, a first display electrode 4, an organic compound, and a light emitting layer (not shown). And an organic EL element in which the layer 5 and the second display electrode 6 are sequentially formed.
- FIG. 1 shows an organic EL display panel provided with one organic EL element. Therefore, a plurality of organic EL elements may be formed on the organic EL display panel. The plurality of organic EL elements may be arranged in a matrix, for example, on the substrate.
- the inorganic barrier film 2 is a highly moisture-proof thin film made of an inorganic material such as silicon oxide, silicon nitride, or silicon nitride oxide.
- the resin substrate 3 is made of a resin material such as polycarbonate (PC).
- the inorganic barrier film 2 is provided on the main surface carrying at least the organic EL element on the surface of the resin substrate. Also, an inorganic barrier film 2 is provided on the other main surface opposite to the main surface.
- the first display electrode 4 is made of a conductive material such as ITO.
- the first display electrode 4 may have a first electrode lead portion 7.
- a wiring substrate 8 including wiring connected to an external circuit (not shown) is bonded to the first electrode lead-out portion 7. Adhesion between the first electrode lead portion and the wiring on the wiring board may be performed using, for example, a conductive adhesive.
- the organic functional layer 5 is made of an organic compound material and includes at least a light emitting layer.
- the organic functional layer is a hole injection layer made of copper phthalocyanine, a hole transport layer made of TPD (triphenylamine derivative), a light emitting layer made of Alq3 (aluminum chelate complex), and an electron injection made of lithium oxide. It may be a laminated body having a laminar force.
- the second display electrode 6 is made of a metal material such as aluminum (A1).
- the second display electrode 6 may have a second electrode lead portion (not shown) for connection with an external circuit.
- a wiring board (not shown) including wiring connected to an external circuit is bonded to the second electrode lead portion.
- Organic EL elements are inorganic materials such as silicon oxide, silicon nitride, and silicon nitride oxide. It is good also as sealing with the inorganic sealing film 9 which becomes force.
- the inorganic sealing film 9 may cover the organic EL element except for the first and second display electrode lead portions and seal the element.
- the organic EL display panel 1 in which the organic EL element as described above is supported by a resin substrate is surrounded by a resin sealing film 10 made of a resin material.
- the mechanical strength of the panel can be improved.
- even when pressure is applied to the display panel from the outside it is possible to prevent the inorganic barrier film provided on the substrate from cracking and the substrate from cracking.
- inorganic barrier films are provided on both main surfaces of the resin substrate, cracks are prevented from occurring in the inorganic barrier film on the other main surface opposite to the one main surface supporting the organic EL element. be able to.
- the resin substrate 3 may be a flexible film. By making the substrate flexible, it is possible to obtain an organic EL display device including a flexible organic EL display panel that is thin, lightweight, and has high reliability.
- the resin sealing film 10 may be moistureproof. For example, when both the main surfaces of the resin substrate are covered with an inorganic barrier film, there is a risk that moisture will permeate into the sides of the substrate, that is, not covered with the inorganic barrier film. Since the resin sealing film 10 has moisture resistance, it is possible to prevent the permeation of moisture from the side portion of the resin substrate. As a result, it prevents volume expansion due to moisture absorption and peeling of the first display electrode and inorganic barrier film on the substrate. That power S.
- the inorganic sealing film for sealing the organic EL element may not be provided.
- An inorganic barrier film is formed on a plate made of a resin material by using a film forming method such as sputtering or CVD, and a resin substrate is obtained in which the surface is covered with the inorganic barrier film.
- a first display electrode having ITO force for example, is formed on a strong resin substrate using a film forming method such as sputtering.
- a first electrode lead portion for connection to an external circuit may be formed.
- a hole injection layer, a hole transport layer, a light-emitting layer, and an electron injection layer are sequentially formed on the first display electrode by using a deposition method such as vapor deposition.
- a functional layer is formed.
- a second display electrode having an A1 force is formed on the organic functional layer using a deposition method such as vapor deposition to form an organic EL element.
- a second electrode lead portion for connecting to an external circuit may be formed when forming the second display electrode.
- an inorganic sealing film for sealing the organic EL element is formed except for the first and second display electrode lead portions.
- the inorganic sealing film is formed by using a film forming method such as a plasma CVD method.
- the inorganic sealing film is made of an inorganic material such as silicon nitride.
- a wiring board is bonded to the first and second electrode lead portions, and the wiring provided on the wiring board is connected to the first and second display electrodes.
- a conductive adhesive can be used for bonding the wiring board.
- the uncured resin liquid may be, for example, an uncured thermosetting resin liquid or an ultraviolet curable resin liquid.
- the display panel is immersed in the wiring board. It is also possible to carry out with holding or a part of the organic EL display panel.
- the entire outer periphery of the organic EL display panel taken out from the uncured resin liquid is covered with an uncured resin film. It is also possible to remove excess resin liquid adhering to the display panel by blowing air to the organic EL display panel covered with the uncured resin film or rotating the display panel.
- the strong uncured resin film is cured to form a resin sealing film that surrounds the organic EL display panel.
- the uncured resin liquid is made of a thermosetting resin
- the uncured resin film may be heated by, for example, an oven.
- the thermosetting resin is preferably cured at a temperature as low as possible, for example, a resin curable at 100 to 200 ° C. It is preferable that
- the uncured resin film may be irradiated with, for example, ultraviolet light having a UV lamp power.
- the ultraviolet curable resin is preferably a resin that is cured at a low dose.
- the process of fixing the connecting portion between the wiring board and the organic EL display panel with the resin can be performed together with the sealing process of the organic EL display panel. it can.
- the process of fixing the connection part with resin and fixing the organic EL display panel with a resin sealing film to improve the mechanical strength of the organic EL display panel The ability to perform the process of covering the display panel in the same process is possible.
- the step of forming the resin sealing film may be a step of using a spin coating method.
- the organic EL element is made inorganic by the same procedure as the organic EL display panel described above.
- An organic EL display panel that is sealed with a sealing film and has a wiring substrate bonded to the electrode lead portions of the first and second display electrodes is formed.
- the side on which the organic EL element is provided is the upper surface, and an uncured resin liquid is spin-coated on the upper surface.
- the uncured resin may be a thermosetting resin that cures at a temperature of 100 to 200 ° C., for example.
- An uncured resin film made of a thermosetting resin is formed by spin coating.
- the film thickness of the uncured resin film can be controlled by conditions such as the supply amount of the uncured resin liquid and the rotational speed.
- the strong uncured resin film is cured to form the first resin sealing film. Curing of the uncured resin film is performed, for example, by heating an organic EL display panel in an oven.
- an uncured resin liquid is arranged by spin coating with the surface opposite to the side where the organic EL element is provided as a main surface to form an uncured resin film.
- an uncured resin liquid may be a thermosetting resin as in the first resin sealing film.
- the uncured resin film is cured to form a second resin sealing film.
- the organic EL display panel with improved mechanical strength is obtained by forming the first and second resin sealing films.
- the film thickness of the first and second resin sealing films can be controlled by the condition in which the uncured thermosetting resin liquid is arranged by spin coating, the side where the organic EL element is provided It is possible to change the thickness of the resin sealing film on the opposite side. For example, by increasing the thickness of the resin sealing film on the side where the organic EL element is provided, the connection portion between the wiring board and the display electrode can be more reliably fixed. Then, by thinning the resin sealing film on the side opposite to the side where the organic EL element is provided, it is possible to obtain a display panel with good optical characteristics such as luminance in the display section. .
- the uncured resin liquid may be made of an ultraviolet curable resin.
- an uncured ultraviolet curable resin liquid is disposed by spin coating to form an uncured resin film, and then a step of irradiating the uncured resin film with ultraviolet light is performed. By performing this process on both main surfaces of the organic EL display panel, it is possible to obtain an organic EL display panel covered with an ultraviolet curable resin film.
- the types of uncured resin liquids arranged on the two main surfaces of the organic EL display panel may be different from each other.
- a resin sealing film made of a thermosetting resin is formed on one surface of an organic EL display panel, and a tree-shaped sealing film made of an ultraviolet curable resin is formed on the other surface. It's also good.
- an organic EL element is provided on the main surface, and the side on which the organic EL element is provided is an upper surface, and an uncured resin liquid made of an ultraviolet curable resin is spin-coated on the upper surface.
- An uncured resin film made of an ultraviolet curable resin is formed.
- the uncured resin film is cured by irradiating with ultraviolet rays to form a first resin sealing film.
- an uncured resin liquid made of a thermosetting resin is disposed by spin coating with the main surface opposite to the side where the organic EL element is provided as an upper surface to form an uncured resin film.
- the uncured resin film is heated to form a second resin sealing film.
- an organic EL display panel that can securely fix the connecting portion by utilizing the properties of the resin material and has good optical characteristics such as luminance in the display portion. I'll do it.
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- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006543276A JP4708360B2 (ja) | 2004-10-29 | 2005-10-24 | 有機エレクトロルミネセンス表示装置及びその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-315645 | 2004-10-29 | ||
JP2004315645 | 2004-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006046679A1 true WO2006046679A1 (ja) | 2006-05-04 |
Family
ID=36227920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/019849 WO2006046679A1 (ja) | 2004-10-29 | 2005-10-24 | 有機エレクトロルミネセンス表示装置及びその製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4708360B2 (ja) |
WO (1) | WO2006046679A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008071561A (ja) * | 2006-09-13 | 2008-03-27 | Fuji Electric Holdings Co Ltd | 有機el素子、および、有機el素子の製造方法 |
CN102598345A (zh) * | 2009-09-11 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | 具有保护覆盖物的oled器件 |
KR20130125715A (ko) | 2012-05-09 | 2013-11-19 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 장치 및 전자 기기 |
JP2013542569A (ja) * | 2010-10-12 | 2013-11-21 | コーニンクレッカ フィリップス エヌ ヴェ | カプセル化を伴う有機電子デバイス |
WO2014017075A1 (ja) * | 2012-07-26 | 2014-01-30 | パナソニック株式会社 | 有機el装置 |
WO2016090746A1 (zh) * | 2014-12-08 | 2016-06-16 | 深圳市华星光电技术有限公司 | Oled器件 |
JP2016139621A (ja) * | 2016-03-31 | 2016-08-04 | パイオニア株式会社 | 有機エレクトロルミネッセンスデバイス |
WO2016166958A1 (ja) * | 2015-04-15 | 2016-10-20 | シャープ株式会社 | 有機el表示装置 |
US9543533B2 (en) | 2013-03-07 | 2017-01-10 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
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JP2000036382A (ja) * | 1998-05-14 | 2000-02-02 | Toray Ind Inc | 発光素子およびその製造方法 |
JP2001284041A (ja) * | 2000-03-30 | 2001-10-12 | Pioneer Electronic Corp | 有機エレクトロルミネッセンス表示パネル及びその製造方法 |
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2005
- 2005-10-24 JP JP2006543276A patent/JP4708360B2/ja not_active Expired - Fee Related
- 2005-10-24 WO PCT/JP2005/019849 patent/WO2006046679A1/ja active Application Filing
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JP2000036382A (ja) * | 1998-05-14 | 2000-02-02 | Toray Ind Inc | 発光素子およびその製造方法 |
JP2001284041A (ja) * | 2000-03-30 | 2001-10-12 | Pioneer Electronic Corp | 有機エレクトロルミネッセンス表示パネル及びその製造方法 |
JP2002222691A (ja) * | 2000-07-24 | 2002-08-09 | Tdk Corp | 発光素子 |
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Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008071561A (ja) * | 2006-09-13 | 2008-03-27 | Fuji Electric Holdings Co Ltd | 有機el素子、および、有機el素子の製造方法 |
CN102598345A (zh) * | 2009-09-11 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | 具有保护覆盖物的oled器件 |
JP2013504851A (ja) * | 2009-09-11 | 2013-02-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 保護カバーを備えたoledデバイス |
JP2013542569A (ja) * | 2010-10-12 | 2013-11-21 | コーニンクレッカ フィリップス エヌ ヴェ | カプセル化を伴う有機電子デバイス |
US9627648B2 (en) | 2012-05-09 | 2017-04-18 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and electronic device |
KR20130125715A (ko) | 2012-05-09 | 2013-11-19 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 장치 및 전자 기기 |
US10003047B2 (en) | 2012-05-09 | 2018-06-19 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and electronic device |
US9088006B2 (en) | 2012-05-09 | 2015-07-21 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and electronic device |
KR20200017450A (ko) | 2012-05-09 | 2020-02-18 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 장치 및 전자 기기 |
US11839106B2 (en) | 2012-05-09 | 2023-12-05 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and electronic device |
US10381599B2 (en) | 2012-05-09 | 2019-08-13 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and electronic device |
US11621407B2 (en) | 2012-05-09 | 2023-04-04 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device having first to third supports |
US10903453B2 (en) | 2012-05-09 | 2021-01-26 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and electronic device |
KR20200115446A (ko) | 2012-05-09 | 2020-10-07 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 장치 및 전자 기기 |
JPWO2014017075A1 (ja) * | 2012-07-26 | 2016-07-07 | パナソニック株式会社 | 有機el装置 |
US9351349B2 (en) | 2012-07-26 | 2016-05-24 | Panasonic Corporation | Organic EL device having improved sealing property |
CN104012173A (zh) * | 2012-07-26 | 2014-08-27 | 松下电器产业株式会社 | 有机el装置 |
WO2014017075A1 (ja) * | 2012-07-26 | 2014-01-30 | パナソニック株式会社 | 有機el装置 |
US10096669B2 (en) | 2013-03-07 | 2018-10-09 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
US10263063B2 (en) | 2013-03-07 | 2019-04-16 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
US10680055B2 (en) | 2013-03-07 | 2020-06-09 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
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US11271070B2 (en) | 2013-03-07 | 2022-03-08 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
US11678538B2 (en) | 2013-03-07 | 2023-06-13 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
US11950474B2 (en) | 2013-03-07 | 2024-04-02 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
WO2016090746A1 (zh) * | 2014-12-08 | 2016-06-16 | 深圳市华星光电技术有限公司 | Oled器件 |
US10249694B2 (en) | 2015-04-15 | 2019-04-02 | Sharp Kabushiki Kaisha | Organic EL display device |
CN107535026A (zh) * | 2015-04-15 | 2018-01-02 | 夏普株式会社 | 有机el显示装置 |
WO2016166958A1 (ja) * | 2015-04-15 | 2016-10-20 | シャープ株式会社 | 有機el表示装置 |
JP2016139621A (ja) * | 2016-03-31 | 2016-08-04 | パイオニア株式会社 | 有機エレクトロルミネッセンスデバイス |
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