JP2016515292A - 散乱マトリックス上の真空蒸着屈折率マッチング層を含む光出力結合層スタック(ocls)を有する被覆製品及び装置、及びその製造方法 - Google Patents
散乱マトリックス上の真空蒸着屈折率マッチング層を含む光出力結合層スタック(ocls)を有する被覆製品及び装置、及びその製造方法 Download PDFInfo
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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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/001—Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
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- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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Abstract
Description
∫∫ Гi (Ω, k) ηimL x ηs (Ω, k) d Ω dk
を計算することによって算出されてもよい。しかし、このようなモデルに基づいて、必須条件は、生成物ηimL×ηs>1であることが分かる。下に記載した特定の例示的な実施形態は、どのようにしてこのような実施が可能であるかを証明する。
・光導波路モードをリダイレクトする能力;
・ミー類似散乱を促進してスペクトル分散を減少(場合により除去する)能力;
・可能なゲッターを有する吸湿性散乱体物質;
・非凝集及び非吸収の散乱体及びマトリックス;
・下層(例えば、ITO及び有機発光層組成物)に屈折率整合された平坦化物質;及び/又は、
・真空蒸着及び熱処理との相溶性(例えば、ITO蒸着で典型的に用いられるものを含む)。
Claims (25)
- 被覆製品を製造する方法であって、
ベース散乱マトリックス層をガラス基板上に直接又は間接的に湿式適用するステップであって、前記ベース散乱マトリックス層の前駆体は、高屈折率物質の有機金属キレート及びシロキサン溶媒を含む、ステップと、
前記湿式適用されたベース散乱マトリックス層を硬化するステップと、
前記硬化ベース散乱マトリックス層上にシリコンを含む屈折率整合層を間接的に又は直接的に真空コーティングするステップと、
前記屈折率整合層上にアノード層を直接的に又は間接的に真空コーティングするステップと、
を含み、
前記硬化ベース散乱マトリックス層は、屈折率が1.55〜1.7であり、前記屈折率整合層は、屈折率が1.7〜1.9であり、前記アノード層は、屈折率が1.9〜2.1である、被覆製品の製造方法。 - 前記ガラス基板は、屈折率が1.6未満である、請求項1に記載の方法。
- 前記硬化ベース散乱マトリックス層は、厚さが約2〜30ミクロンで、平均表面粗さ(Ra)が4nm未満である、請求項1〜2のいずれか一項に記載の方法。
- 前記湿式適用ステップは、スロットダイコータを用いて行われる、請求項1〜3のいずれか一項に記載の方法。
- 前記ベース散乱マトリックス層を形成する前駆体は、粘度が4〜8cpである、請求項1〜4のいずれか一項に記載の方法。
- 前記ベース散乱マトリックス層は、硬化されたときに、有機金属キレートハイブリッドマトリックスを含む等方性層のマトリックス及びその内部に分散した散乱体を含む、請求項1〜5のいずれか一項に記載の方法。
- 前記散乱体は、チタン酸化物粒子、ジルコニウム酸化物粒子、及び/又はハフニウム酸化物粒子を含む、請求項6に記載の方法。
- 前記硬化ステップは、数分から数時間の間200℃未満の温度で行われる、請求項1〜7のいずれか一項に記載の方法。
- 前記屈折率整合層は、シリコン酸窒化物を含む、請求項1〜8のいずれか一項に記載の方法。
- 前記アノード層は、インジウムスズ酸化物を含む、請求項1〜9のいずれか一項に記載の方法。
- 前記アノード層の透明度を増加させてシート抵抗を低減するために、前記硬化ベース散乱マトリックス層、屈折率整合層、及びアノード層を有する前記基板をアニールするステップをさらに含む、請求項1〜10のいずれか一項に記載の方法。
- 前記ベース散乱マトリックス層上にGLBを含む層を配置するステップをさらに含み、前記屈折率整合層は、前記GLBを含む層上に直接配置され、前記前記GLBを含む層に接触する、請求項1〜11のいずれか一項に記載の方法。
- 電子装置を製造する方法であって、
請求項1の方法にしたがって製造された被覆製品を提供するステップと、
前記アノード層をパターニングするステップと、
前記電子装置の製造時に、前記パターニングされたアノード層上に、正孔輸送層、放出層、及び反射カソード層を、順に配置するステップと、
を含む、電子装置を製造する方法。 - 前記放出層は、電子輸送及び放出層であり、前記電子装置は、OLEDベース装置である、請求項13に記載の方法。
- 前記電子装置は、PLEDベース装置である、請求項13に記載の方法。
- 被覆製品であって、
ガラス基板と、
前記ガラス基板上に直接的又は間接的に湿式適用されるベース散乱マトリックス層であって、前記ベース散乱マトリックス層は、有機金属キレートハイブリッドマトリックスを含む等方性層のマトリックス及びその内部に分散した散乱体を含む、ベース散乱マトリックス層と、
前記ベース散乱マトリックス層上に直接又は間接的にスパッタ蒸着されるシリコンを含む屈折率整合層と、
前記屈折率整合層上に直接又は間接的にスパッタ蒸着される透明導電性コーティング(TCC)と、
を含み、
前記ベース散乱マトリックス層は、屈折率が1.6〜1.7であり、前記屈折率整合層は、屈折率が1.7〜1.9であり、前記TCCは、屈折率が1.9〜2.1である、被覆製品。 - 前記ガラス基板は、屈折率が1.6未満である、請求項16に記載の被覆製品。
- 前記硬化ベース散乱マトリックス層は、厚さが約3〜20ミクロンで、平均表面粗さ(Ra)が4nm未満である、請求項16に記載の被覆製品。
- 前記散乱体は、チタン酸化物粒子、ジルコニウム酸化物粒子、及び/又はハフニウム酸化物粒子を含む、請求項16に記載の被覆製品。
- 前記屈折率整合層は、シリコン酸窒化物を含み、前記TCCはアノードである、請求項16に記載の被覆製品。
- 前記TCCは、インジウムスズ酸化物を含む、請求項20に記載の被覆製品。
- 前記屈折率整合層は、厚さが少なくとも約200nmである、請求項16に記載の被覆製品。
- 前記ベース散乱マトリックス層と前記屈折率整合層との間に介在するGLBを含む層をさらに含み、前記GLBを含む層は、厚さが100〜200nmである、請求項16に記載の被覆製品。
- 電子装置であって、
ガラス基板と、
前記ガラス基板上に直接的又は間接的に湿式適用されるベース散乱マトリックス層であって、前記ベース散乱マトリックス層は、硬化されたときに、厚さが約3〜20ミクロンで、有機金属キレートハイブリッドマトリックスを含む等方性層のマトリックス及びその内部に分散する高屈折率の光散乱体を含む、ベース散乱マトリックス層と、
前記ベース散乱マトリックス層上に直接又は間接的にスパッタ蒸着されるシリコンを含む屈折率整合層と、
前記屈折率整合層上にスパッタ蒸着される第1透明導電性コーティング(TCC)と、
前記ガラス基板、前記ベース散乱マトリックス層、前記屈折率整合層、及び前記第1TCCの屈折率であって、前記ガラス基板から離れるにしたがって各層ごとに順に増加する屈折率と、
前記第1TCC上に順に配置される正孔輸送層、放出層、及び反射第2TCCと、
を含む、電子装置。 - 前記屈折率整合層は、シリコン酸窒化物を含み、厚さが少なくとも200nmであり、前記第1TCCは、アノードであり、ITOを含み、前記第2TCCは、カソードであり、Al、Ag、Pd、Cu、又は、これらの組合せを含む、請求項24に記載の装置。
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