JP6456477B2 - 表面変形層を有する有機発光ダイオード - Google Patents
表面変形層を有する有機発光ダイオード Download PDFInfo
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- JP6456477B2 JP6456477B2 JP2017507684A JP2017507684A JP6456477B2 JP 6456477 B2 JP6456477 B2 JP 6456477B2 JP 2017507684 A JP2017507684 A JP 2017507684A JP 2017507684 A JP2017507684 A JP 2017507684A JP 6456477 B2 JP6456477 B2 JP 6456477B2
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- emitting diode
- organic light
- light emitting
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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
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/877—Arrangements for extracting light from the devices comprising scattering means
-
- 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
-
- 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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- 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
- H10K50/805—Electrodes
- H10K50/81—Anodes
-
- 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
- H10K50/85—Arrangements for extracting light from the devices
-
- 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
-
- 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
- H10K2102/331—Nanoparticles used in non-emissive layers, e.g. in packaging layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
導波路効果の低減、
大きい光放出、
簡単な製造プロセス、
廉価な製造費用、
製造ステップの少なさ、および/または、
製造ステップが簡単
のうちの1つまたは複数を有するOLEDのような発光デバイスおよび/または発光デバイスを作製する方法を提供することができると有利であろう。
Claims (12)
- 第1の表面(14)および第2の表面(16)を有する基板(12)と、
第1の電極(32)と、
第2の電極(38)と、
前記第1の電極(32)と前記第2の電極(38)との間に位置する発光層(36)と、
前記第1の電極(32)と前記基板(12)との間に配置されている、平坦でない表面(30、52)を有する表面変形層(18)と
を備える有機発光ダイオード(10)において、
前記表面変形層(18)が、前記基板(12)の少なくとも一部分の上にある第1のフィルム(20)と、前記第1のフィルム(20)の少なくとも一部分の上にある第2のフィルム(26)とを備える多層構造を有し、
前記第1のフィルム(20)が第1の膨張係数を有し、前記第2のフィルム(26)が第2の膨張係数を有し、前記第1の膨張係数は前記第2の膨張係数よりも大きく、前記第2のフィルム(26)がアルミナとシリカの混合物であることを特徴とする、有機発光ダイオード(10)。 - 前記第1のフィルム(20)が高分子材料を含むことを特徴とする、請求項1に記載された有機発光ダイオード(10)。
- 前記第1のフィルム(20)がポリアルキルシロキサンを含むことを特徴とする、請求項1に記載された有機発光ダイオード(10)。
- 前記第1のフィルム(20)がポリジメチルシロキサンを含むことを特徴とする、請求項1または請求項2に記載された有機発光ダイオード(10)。
- 前記第2のフィルム(26)が前記第1のフィルム(20)よりも薄いことを特徴とする、請求項1から請求項4までのいずれか1項に記載された有機発光ダイオード(10)。
- 前記第2のフィルム(26)がMSVDにより形成されることを特徴とする、請求項1から請求項5までのいずれか1項に記載された有機発光ダイオード(10)。
- 前記第1のフィルム(20)が湿式成膜法により形成されることを特徴とする、請求項1から請求項6までのいずれか1項に記載された有機発光ダイオード(10)。
- 前記表面変形層(18)が、内部に組み込まれたナノ粒子(42)を含むことを特徴とする、請求項1から請求項7までのいずれか1項に記載された有機発光ダイオード(10)。
- 有機発光ダイオード(10)を作製する方法であって、
基板(12)の少なくとも一部分の上に第1のフィルム(20)を形成するステップと、
前記第1のフィルム(20)の表面積を、第1の表面積から第2の表面積に増大させるステップと、
前記第1のフィルム(20)が前記第1の表面積よりも大きい表面積を有している間に、前記第1のフィルム(20)の上に、アルミナとシリカの混合物である第2のフィルム(26)を形成するステップと、
前記第2のフィルム(26)が平坦でない表面(30)を有するように、前記第1のフィルム(20)を収縮させるステップと、
前記表面変形層(18)に平坦でない表面(30)を形成するために、前記表面変形層(18)を膨張および収縮させるステップと、
第1の電極(32)、発光層(36)、および第2の電極(38)を含む追加の層を、前記追加の層のうちの少なくとも1つの層が平坦でない表面を含むように、前記表面変形層(18)の上に形成するステップと
を特徴とする、方法。 - 前記第1のフィルム(20)を湿式成膜プロセスによって形成し、
前記第2のフィルム(26)をMSVDによって形成し、
前記増大させるステップを、前記第1のフィルム(20)を加熱することによって行い、
前記収縮させるステップを、前記第1のフィルム(20)を冷却することによって行なうことを特徴とする、請求項9に記載された方法。 - 電子デバイスにおける、請求項1から請求項8までのいずれか1項に記載された有機発光ダイオード(10)の使用。
- 前記電子デバイスが、コンピュータモニタ、コンピュータ画面、携帯電話、テレビ画面、個人情報端末、時計、および照明デバイスから成る群から選択される請求項11に記載された有機発光ダイオード(10)の使用。
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