JP2021108281A - 有機発光表示装置及びその製造方法 - Google Patents
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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
- H10K59/40—OLEDs integrated with touch screens
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H—ELECTRICITY
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- 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
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- 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
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- 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
- H10K77/111—Flexible substrates
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- 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
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
Description
封止層160上にカバー基材170が配置され得る。カバー基材170は、封止層160と共に外部の湿気、酸素、衝撃等から有機発光素子150を保護する。カバー基材170は、ステンレス鋼(SUS)のような金属材質であるか、ポリメチルメタクリレート(polymethylmethacrylate)、ポリカーボネート(polycarbonate)、ポリビニルアルコール(polyvinyl alcohol)、アクリロニトリル−ブタジエン−スチレン(acrylonitryl−butadiene−styrene)、ポリエチレンテレフタレート(polyethylene terephthalate)のようなプラスチック材質であってよい。
Claims (23)
- 透明基材;
前記透明基材の上部に配置されるタッチ電極、及び前記タッチ電極をカバーするタッチ保護層を含むタッチセンサ部;
前記タッチセンサ部の下部または上部に配置され、複数の開口領域を定義するブラックマトリックス;
前記ブラックマトリックスと同一平面上に配置され、前記複数の開口領域に対応する複数のカラーフィルタ;
前記タッチセンサ部及び前記複数のカラーフィルタのうちの上側にあるものの上部に配置される第1バッファ層;
前記第1バッファ層の上部に配置される薄膜トランジスタ;及び
前記薄膜トランジスタの上部に配置され、前記複数の開口領域に対応する有機発光素子を含む、有機発光表示装置。 - 前記第1バッファ層は、シリコン窒化物(SiNx)、シリコン酸化物(SiOx)及びアルミニウム酸化物(AlOx)からなる群から選択された単層または多層である、請求項1に記載の有機発光表示装置。
- 前記ブラックマトリックス及び前記複数のカラーフィルタは、前記タッチセンサ部の下部に配置され、
前記第1バッファ層は、前記タッチセンサ部上に配置され、
前記複数のカラーフィルタと前記タッチセンサ部との間に配置されて、前記複数のカラーフィルタの上部を平坦化する第2バッファ層をさらに含む、請求項1に記載の有機発光表示装置。 - 前記第2バッファ層がバリアの性質を有する無機材料から形成される、請求項1から3のいずれか一項に記載の有機発光表示装置。
- 前記タッチ電極は、前記第2バッファ層上に直接接触するように配置された、請求項3に記載の有機発光表示装置。
- 前記ブラックマトリックス及び前記複数のカラーフィルタが、前記タッチセンサ部上に配置された、請求項1に記載の有機発光表示装置。
- 前記複数のカラーフィルタ上に配置されて、前記複数のカラーフィルタの上部を平坦化する第2バッファ層をさらに含み、
前記第1バッファ層は、前記第2バッファ層と前記薄膜トランジスタとの間に配置される、請求項6に記載の有機発光表示装置。 - 前記ブラックマトリックスは、前記タッチ保護層上に直接接触するように配置された、請求項6に記載の有機発光表示装置。
- 前記有機発光素子上に配置される封止層;及び
前記封止層上に配置されるカバー基材をさらに含む、請求項1に記載の有機発光表示装置。 - 前記透明基材は、ガラス(glass)基板である、請求項1に記載の有機発光表示装置。
- 前記ガラス基板の厚さは、30um乃至200umである、請求項10に記載の有機発光表示装置。
- 前記ガラス基板は、前記有機発光素子と向かい合う内部面、及び前記内部面に対向する外部面を含み、
前記ガラス基板は、前記有機発光表示装置のフォールディングまたはベンディングが可能であるように前記外部面から内側に形成された開口パターンまたは凹パターンを含む、請求項11に記載の有機発光表示装置。 - 前記ブラックマトリックス及び前記タッチ電極のいずれか一つは、前記ガラス基板上に直接接触するように配置された、請求項10に記載の有機発光表示装置。
- 前記透明基材は、ポリイミドからなる透明延性フィルムであり、
前記透明延性フィルムの下部に貼り付けられる透明保護フィルムをさらに含む、請求項1に記載の有機発光表示装置。 - 前記有機発光表示装置は、前記有機発光素子から放出された光が前記透明基材に放出される下部発光(bottom emission)方式である、請求項1に記載の有機発光表示装置。
- キャリアガラス基板の上部にブラックマトリックス、複数のカラーフィルタ及びタッチセンサ部を形成するステップ;
前記複数のカラーフィルタ及び前記タッチセンサ部の上部に第1バッファ層を形成するステップ;
前記第1バッファ層の上部に薄膜トランジスタを形成するステップ;
前記薄膜トランジスタを覆うように平坦化層を形成するステップ;
前記平坦化層の上部にアノード、有機発光層及びカソードを含む有機発光素子を形成するステップ;及び
前記有機発光素子の上部に封止層を形成するステップを含む、有機発光表示装置の製造方法。 - 前記ブラックマトリックス、複数のカラーフィルタ及びタッチセンサ部を形成するステップは、
前記キャリアガラス基板上に複数の開口領域を定義するように前記ブラックマトリックスを形成するステップ;
前記複数の開口領域を満たすように前記複数のカラーフィルタを形成するステップ;
前記複数のカラーフィルタの上部前面に第2バッファ層を形成するステップ;及び
前記第2バッファ層上にタッチ電極を形成し、前記タッチ電極の上部前面を覆うようにタッチ保護層を形成するステップを含む、請求項16に記載の有機発光表示装置の製造方法。 - 前記ブラックマトリックス、複数のカラーフィルタ及びタッチセンサ部を形成するステップは、
前記キャリアガラス基板上にタッチ電極を形成し、前記タッチ電極の上部前面を覆うようにタッチ保護層を形成するステップ;
前記タッチ保護層上に複数の開口領域を定義するように前記ブラックマトリックスを形成するステップ;及び
前記複数の開口領域を満たすように前記複数のカラーフィルタを形成するステップを含む、請求項16に記載の有機発光表示装置の製造方法。 - 前記ブラックマトリックス、複数のカラーフィルタ及びタッチセンサを形成するステップはさらに、
前記複数のカラーフィルタの上部前面に第2バッファ層を形成するステップを含む、請求項16に記載の有機発光表示装置の製造方法。 - 前記有機発光素子上に封止層を形成するステップ;及び
前記封止層を形成した後、前記キャリアガラス基板の厚さが減少するように前記キャリアガラス基板の下部面を食刻するステップをさらに含む、請求項16に記載の有機発光表示装置の製造方法。 - 前記キャリアガラス基板の下部面を食刻するステップによって前記キャリアガラス基板の厚さが最初400um乃至800umから食刻後30um乃至200umに減少する、請求項20に記載の有機発光表示装置の製造方法。
- 前記キャリアガラス基板の下部面から内側に凹に形成された開口パターンまたは凹パターンを形成するステップをさらに含む、請求項20に記載の有機発光表示装置の製造方法。
- 前記キャリアガラス基板上にポリイミドをコーティングして透明延性フィルムを形成するステップ;
前記封止層を形成した後、前記キャリアガラス基板を剥離するステップ;及び
前記透明延性フィルムの下面に透明保護フィルムを配置するステップをさらに含む、請求項16に記載の有機発光表示装置の製造方法。
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