JP2022505212A - 発光装置及びその製造方法 - Google Patents
発光装置及びその製造方法 Download PDFInfo
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Abstract
Description
Claims (20)
- 第1の基板の一面上に複数の第1の発光セルおよび複数の第2の発光セルを形成するステップと、
前記第1の発光セルおよび前記第2の発光セルを第2の基板に対向させるステップと、
前記第1の発光セルを前記第2の基板上に選択的に接合するステップと、
前記第2の基板を、少なくとも2つの前記第1の発光セルを含む実装ユニットに切断するステップと、
を含む、発光装置の製造方法。 - 前記第1の発光セルの間の領域を実質的に充填する遮光層を形成するステップをさらに含む、請求項1に記載の製造方法。
- 前記第1の発光セルの上面を露出させる開口部を有する誘電体層を、前記第1の基板上の前記第1の発光セルと前記第2の発光セルとの間に形成するステップと、
前記開口部を充填する接合部を形成するステップと、
前記接合部を貫通し、それぞれの前記第1の発光セルと電気的に接続されるパッドを形成するステップと、をさらに含む、請求項1に記載の製造方法。 - 前記第1の発光セルを前記第2の基板上に選択的に接合するステップは、
前記第1の発光セル上に接合部を形成するステップと、
前記第2の基板に対向する前記第1の発光セルが配置された前記第1の基板の部分でレーザーリフトオフ工程を選択的に実行することによって、前記第1の発光セルを前記第1の基板から分離するステップと、
分離された前記第1の発光セルを前記接合部によって前記第2の基板上に接合するステップと、を含む、請求項1に記載の製造方法。 - 隣接する前記第1の発光セルは、第1の方向に第1の距離だけ離隔され、且つ第1の方向に垂直な第2の方向に第2の距離だけ離隔して形成されされ、
隣接する前記第2の発光セルは、第1の方向に第3の距離だけ離隔され、且つ第2の方向に第4の距離だけ離隔して形成され、
1つの前記第2の発光セルは2つの隣接する前記第1の発光セルの間に配置される、請求項1に記載の製造方法。 - 前記実装ユニットで切断された、前記第2の基板に含まれる前記第1の発光セルを、一度に実装基板に実装するステップをさらに含む、請求項1に記載の製造方法。
- 複数の金属ボールが前記実装基板に格子状に形成されている、請求項6に記載の製造方法。
- 前記第2の発光セルに対して、前記工程を繰り返すステップをさらに含む、請求項1に記載の製造方法。
- 接合部を前記第1の基板上の前記第1の発光セル上に選択的に形成するステップと、
前記第1の基板を裏返し、前記接合部が形成された前記第1の発光セルと前記第2の発光セルとを第3の基板に対向させるステップと、
前記第1の発光セルを前記第1の基板から分離するステップと、
分離された前記第1の発光セルを、前記接合部を介して前記第3の基板に接合するステップと、
前記第3の基板を裏返し、前記第1の発光セルの一方の表面を第4の基板に接合するステップと、
前記第3の基板を除去して前記接合部を露出させるステップと、
前記接合部を貫通して、前記第1発光セルと電気的に接続されるパッドを形成するステップと、をさらに含む、請求項1に記載の製造方法。 - 前記第3の基板上に前記第1の発光セルの間を充填する遮光層を形成するステップをさらに含む、請求項9に記載の製造方法。
- 基板と、
前記基板上に配置された少なくとも2つの発光セルと、
前記少なくとも2つの発光セルの間を充填し、各発光セルの表面をそれぞれ露出させる開口部を有する遮光層と、
前記開口部を充填し、前記発光セルと基板との間に配置された接合部と、
を含む、発光装置。 - 前記基板に対向する前記遮光層の一方の表面は、前記接合部のそれぞれの一方の表面と同一平面上にある、請求項11に記載の発光装置。
- 前記遮光層は前記基板と接触し、前記接合部と前記基板との間に配置される、請求項11に記載の発光装置。
- 2つの隣接する前記発光セル間の離隔距離が、前記それぞれの発光セルの限界寸法の約8~15倍である、請求項11に記載の発光装置。
- 前記発光セルの各々は、互いに垂直に積層された第1の発光部、第2の発光部、及び第3の発光部と、前記第1、第2、及び第3の発光部と電気的に接続された複数のパッドと、を含む、請求項11に記載の発光装置。
- 前記接合部を貫通し、前記パッドと電気的に接続された貫通電極をさらに含む、、請求項15に記載の発光装置。
- 前記貫通電極の各々は、前記接合部の各々の内部に配置された第1の部分と、第1の部分から前記接合部の各々の上面上に延在する第2の部分と、を含む、請求項16に記載の発光装置。
- 前記第2の部分は、前記遮光層の一方の表面まで延在する、請求項17記載の発光装置。
- 前記第2の部分は、前記遮光層内に延在する、請求項17に記載の発光装置。
- 前記基板は、前記貫通電極の前記第2の部分に対応する位置に配置された複数の基板パッドを含む、請求項17に記載の発光装置。
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US16/598,545 US11664363B2 (en) | 2018-10-17 | 2019-10-10 | Light emitting device and method of manufacturing the same |
PCT/KR2019/013626 WO2020080837A1 (ko) | 2018-10-17 | 2019-10-17 | 발광 소자 및 이를 제조하는 방법 |
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TW202231146A (zh) * | 2021-01-25 | 2022-08-01 | 優顯科技股份有限公司 | 電子裝置及其製造方法 |
KR102599275B1 (ko) * | 2022-01-25 | 2023-11-07 | 주식회사 썬다이오드코리아 | 수직 적층 구조를 가지는 마이크로 디스플레이의 화소 |
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