JP6336526B2 - 非デバイス縁部領域が低減された電子デバイス - Google Patents
非デバイス縁部領域が低減された電子デバイス Download PDFInfo
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- JP6336526B2 JP6336526B2 JP2016149522A JP2016149522A JP6336526B2 JP 6336526 B2 JP6336526 B2 JP 6336526B2 JP 2016149522 A JP2016149522 A JP 2016149522A JP 2016149522 A JP2016149522 A JP 2016149522A JP 6336526 B2 JP6336526 B2 JP 6336526B2
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
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Description
一般に、OLEDは、アノードとカソードとの間に配置され且つそれらと電気的に接続された少なくとも1つの有機層を含む。電流が流された場合、有機層(1又は複数)にアノードは正孔を注入し、カソードは電子を注入する。注入された正孔と電子はそれぞれ反対に帯電した電極に向かって移動する。電子と正孔が同じ分子上に局在する場合、励起エネルギー状態を有する局在化された電子−正孔対である「励起子」が形成される。励起子が発光機構によって緩和するときに光が発せられる。いくつかの場合には、励起子はエキシマー又はエキシプレックス上に局在化されうる。非放射機構、例えば、熱緩和も起こりうるが、通常は好ましくないと考えられる。
及び、Baldoら,“Very high-efficiency green organic light-emitting devices based on electrophosphorescence”, Appl. Phys. Lett., vol. 75, No. 3, 4-6 (1999) (“Baldo-II”)、これらを参照により全体を援用する。燐光は、米国特許第7,279,704号明細書の第5〜6欄に、より詳細に記載されており、これを参照により援用する。
上述のように、薄膜カプセル化を用いる本明細書で提供する実施形態は、デバイスが基板の縁部に極めて近接した製品(OLEDディスプレイを含むもの等)を製作する能力を提供し得る。これは、たとえば単一のディスプレイとして見るため、または多数のデバイスをタイル貼りして大きなディスプレイシステムを製作する場合に、真に境界のない(または殆ど境界のない)ディスプレイを提供し得る。以下に提供する例はディスプレイを参照して記載するが、基板上に配置したデバイスに電気接点を提供する実施形態は、本明細書に例として提供するデバイスの種類(たとえば太陽電池、薄膜バッテリー、有機電子デバイス、その他)等の、他の種類のデバイスにも同様に応用可能であり得る。
上述のある実施形態における縁部シーラントとして用いることができるバリアフィルム分子および材料の例示的組成(およびそのような組成物を製作する方法)を以下に提供する。これに関し、縁部シーラントとして用いることができる材料(および堆積プロセス)の例示的実施形態は「Hybrid Layers for Use in Coatings on Electronic Devices or Other Articles」と題した米国特許第7,968,146号に詳細に記載されており、これは全ての目的のため参照により全体として本明細書に組み込まれる。本発明者らは、そのいくつかを以下に提供する、米国特許第7,968,146号に記載された材料および方法が、電子デバイスの縁部シーラントとしての使用のために好ましいバリアフィルムを提供し得ることを見出した。しかし、実施形態は必ずしもそこに記載された分子および方法に限定されない。
ある実施形態においては、第1の製品が提供され得る。第1の製品は、第1の表面、第1の側面、および第1の表面が第1の側面と交わる第1の縁部を有する基板と、基板の上に配置され、第2の側面を有し、第2の側面の少なくとも第1の部分が基板の第1の縁部から約3.0mm以内に配置されたデバイスとを含み得る。第1の製品は、基板の第1の縁部の少なくとも一部、基板の第1の側面の少なくとも一部、およびデバイスの第2の側面の少なくとも第1の部分を覆う第1のバリアフィルムをさらに含み得る。例示的な実施形態については、図9に示される製品900を参照しながら既に述べた。
図13および図14は、製品の3つの側面が縁なしのまたは殆ど縁なしである例示的な製品の写真を含む。この実施例は、単なる例示を目的に提供され、限定を意味するものではない。やはり例示的な実施形態はOLEDディスプレイを含むが、実施形態はそのように限定するものではない。
本明細書に記載した様々な態様は例示の目的であり、本発明の範囲を限定することを意図していないことが理解される。例えば、本明細書に記載した多くの物質及び構造は、本発明の精神から離れることなく、その他の物質及び構造で置き換えることができる。特許請求の範囲に記載した本発明は、したがって、本明細書に記載した具体的な例及び好ましい態様からの変形を含むことができ、それは当業者には明らかである。本発明が何故機能するのかについての様々な理論は限定することを意図していないことが理解される。
110 基板
115 アノード
120 正孔注入層
125 正孔輸送層
130 電極ブロック層
135 発光層
140 正孔ブロック層
145 電子輸送層
150 電子注入層
155 保護層
160 カソード
162 第1電導層
164 第2電導層
200 逆転OLED
210 基板
215 カソード
220 発光層
225 正孔輸送層
230 アノード
300 製品
301 デバイス
302 無機層
303 ポリマー層
304 経路-1
310 基板
400 製品
401 デバイス
402 無機層
403 ポリマー層
404 経路-1
410 基板
420 無機層
500 製品
501 デバイス
502 無機層
503 ポリマー層
504 経路-1
505 経路-2
507 経路-3
510 基板
700 装置
701 基板電極
702 基板
703 電極メッシュ
704 底面電極
705 ガス供給路
900 製品
901 デバイス
902 デバイスの側面
903 バリアフィルム
904 経路-1
905 経路-2
910 基板
911 基板の第1の表面
912 基板の第1の側面
913 基板の第1の縁部
1002 マイクロホール
1010 基板
1011 基板の前(上)表面
1012 ディスプレイの縁部
1020 基板の後(底)表面
1102 パターン化導電体
1110 基板
1111 基板の前(上)表面
1112 基板の側面
1120 基板の後(底)表面
1500 製品
1501 デバイス
1503 バリアフィルム
1510 基板
1530 デバイス
1531 デバイス
1532 デバイスの側面
1533 基板の一部
1534 基板の構成要素
1535 基板の構成要素
1701 鈍角
Claims (15)
- 第1の表面、第1の側面、および前記第1の表面が前記第1の側面と交わる第1の縁部を有する基板と、
前記基板の上に配置され、前記基板の前記第1の表面と同一平面にある第1のデバイスであって、前記基板の前記第1の縁部から3mm以内に配置された側面を有する、第1のデバイスと、
前記基板の前記第1の縁部の少なくとも一部、前記基板の前記第1の側面の少なくとも一部、および前記第1のデバイスの前記側面の少なくとも一部を覆う第1のバリアフィルムと
を含み、
前記第1のデバイスが、活性デバイス領域および不活性デバイス領域を含み、
前記第1のバリアフィルムが、ポリマー材料と非ポリマー材料との混合物を含み、
前記第1のデバイスが複数の側面をさらに含み、前記第1のバリアフィルムが前記第1のデバイスの前記複数の側面の各々を覆い、前記第1のバリアフィルムが前記第1のデバイスの上で全体に配置された、第1の製品。 - 前記第1のデバイスの第2の側面の少なくとも一部が前記第1の基板の前記第1の縁部から1mm以内に配置された、請求項1に記載の第1の製品。
- 前記第1のデバイスの前記第2の側面の少なくとも前記一部が前記第1の基板の前記第1の縁部から0.1mm以内に配置された、請求項1に記載の第1の製品。
- 前記第1のデバイスの前記活性デバイス領域の少なくとも一部が前記第1の基板の前記第1の縁部から0.1mm以内に配置された、請求項1に記載の第1の製品。
- 前記基板が外側周縁を有し、前記第1のデバイスが外側周縁を有し、前記第1のデバイスの前記外側周縁の少なくとも50%が前記基板の前記外側周縁から1mm以内に配置された、請求項1に記載の第1の製品。
- 前記第1のバリアフィルムが化学蒸着CVDおよび有機ケイ素前駆体を用いて堆積された、請求項1に記載の第1の製品。
- 前記第1の製品が、太陽電池、薄膜バッテリー、有機電子デバイス、照明パネルもしくは照明パネルを有する光源、ディスプレイもしくはディスプレイを有する電子デバイス、携帯電話、ノート型コンピュータ、タブレット型コンピュータ、3Dデバイス、テレビジョン、または有機発光デバイス(OLED)のいずれかに含まれる、請求項1に記載の第1の製品。
- 前記第1のデバイスの総面積より小さい総面積を有する電子回路パッケージをさらに含む、請求項1に記載の第1の製品。
- 複数のデバイスをさらに含み、前記複数のデバイスの各々が他のデバイスの少なくとも1つから6mm未満の距離に配置された、請求項1に記載の第1の製品。
- 前記第1の基板が第2の表面をさらに含み、複数の導電体が前記第1の基板内に配置され、前記複数の導電体の各々が前記第1の基板の前記第1の表面から前記第2の表面に延在する、請求項1に記載の第1の製品。
- 第1の表面、第1の側面、および前記第1の表面が前記第1の側面と交わる第1の縁部を有する第2の基板と、
前記第2の基板の上に配置され、側面を有する第2のデバイスであって、前記第2のデバイスの前記側面の少なくとも第1の部分が前記第2の基板の前記第1の縁部から2mm以内に配置された第2のデバイスと、
前記第2の基板の前記第1の縁部の少なくとも一部、前記第2の基板の前記第1の側面の少なくとも一部、および前記第2のデバイスの前記側面の少なくとも前記第1の部分を覆う第2のバリアフィルムと
をさらに含む、請求項1に記載の第1の製品。 - 前記第1のデバイスの前記第2の側面の第1の部分が前記第2のデバイスの前記側面の一部の1.0mm未満の距離に配置された、請求項11に記載の第1の製品。
- 第1の表面、第1の側面、および前記第1の表面が前記第1の側面と交わる第1の縁部を有する基板、ならびに
前記基板の前記第1の表面の上に配置され、前記第1の表面と同一平面にある第1のデバイスであって、前記第1の縁部から3mm以内に配置された側面を有する、第1のデバイス
を用意するステップと、
前記基板の前記第1の縁部の少なくとも一部、前記基板の前記第1の側面の少なくとも一部、および前記第1のデバイスの前記側面の少なくとも前記第1の部分を覆うように第1のバリアフィルムを堆積させるステップと
を含み、
前記第1のデバイスが、活性デバイス領域および不活性デバイス領域を含み、
前記第1のバリアフィルムが、ポリマー材料と非ポリマー材料との混合物を含み、
前記第1のデバイスが複数の側面をさらに含み、前記第1のバリアフィルムが前記第1のデバイスの前記複数の側面の各々を覆い、前記第1のバリアフィルムが前記第1のデバイスの上で全体に配置された、第1の方法。 - 前記基板を用意する前記ステップが、
前記基板の前記第1の表面に複数のノッチを形成するステップと、
前記複数のノッチを形成した後、複数のデバイスの各々が前記複数のノッチの少なくとも1つによって他のデバイスの各々から分離されるように複数のデバイスを前記基板の前記第1の表面の上に配置するステップと、
前記バリア層を堆積させた後、前記複数のノッチに沿って前記基板を破断するステップと
を含む、請求項13に記載の第1の方法。 - 基板を用意する前記ステップが、
前記基板の前記第1の表面の上に前記第1のデバイスを堆積させるステップと、
前記第1のデバイスを堆積させた後、複数の場所において前記基板および前記第1のデバイスを破断するステップと
を含む、請求項13に記載の第1の方法。
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US9000459B2 (en) | 2013-03-12 | 2015-04-07 | Universal Display Corporation | OLED display architecture having some blue subpixel components replaced with non-emissive volume containing via or functional electronic component and method of manufacturing thereof |
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US11309522B2 (en) | 2022-04-19 |
US10483487B2 (en) | 2019-11-19 |
US11018319B2 (en) | 2021-05-25 |
US8933468B2 (en) | 2015-01-13 |
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