JP7157231B2 - 発光装置及びこれを備えた表示装置 - Google Patents
発光装置及びこれを備えた表示装置 Download PDFInfo
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Description
Claims (19)
- 複数の単位発光領域を含む基板と、
前記基板上に提供され、第1方向に第1端部と第2端部を有する少なくとも1つの第1発光素子と、
前記第1方向と交差する第2方向に第1端部と第2端部を有する少なくとも1つの第2発光素子と、
前記第1及び第2発光素子のそれぞれの第1及び第2端部の何れか1つに連結された第1電極と残り1つに連結された第2電極と、
前記基板上において前記第2方向に沿って延長され、前記第1電極に連結された第1整列配線と、
前記第1整列配線と一定間隔離隔され、前記第2電極に連結された第2整列配線と、
前記基板と前記第1及び第2発光素子の間に配置された第1絶縁層と、
平面上で見たとき、前記第1整列配線の一部と重畳する第1絶縁パターンと前記第2整列配線の一部と重畳する第2絶縁パターンと、を含み、
前記第1及び第2絶縁パターンは前記第1絶縁層と同じ層に提供され、
前記第1及び第2絶縁パターンは、前記第1及び第2電極の間に形成される電界の一部を遮蔽させる
ことを特徴とする発光装置。 - 各単位発光領域は、前記第1発光素子が提供される第1サブ発光領域と前記第2発光素子が提供される第2サブ発光領域を含むことを特徴とする請求項1に記載の発光装置。
- 前記第1電極は、前記第1サブ発光領域に提供された第1-1電極と前記第2サブ発光領域に提供された第1-2電極を含み、
前記第2電極は、前記第1サブ発光領域に提供された第2-1電極と前記第2サブ発光領域に提供された第2-2電極を含むことを特徴とする請求項2に記載の発光装置。 - 平面上で見たとき、前記第1-1電極と前記第2-1電極は前記第2方向に沿って延長され、
平面上で見たとき、前記第1-2電極と前記第2-2電極は前記第1方向に沿って延長されることを特徴とする請求項3に記載の発光装置。 - 前記第1-1電極と前記第2-1電極の間の間隔は、前記第1-2電極と前記第2-2電極の間の間隔と同じであることを特徴とする請求項4に記載の発光装置。
- 前記基板上において前記第1方向に延長され、前記第1整列配線と前記第1電極を電気的に連結する第1連結配線と、
前記基板上において前記第1連結配線と平行に延長され、前記第2整列配線と前記第2電極を電気的に連結する第2連結配線と、をさらに含むことを特徴とする請求項5に記載の発光装置。 - 前記第1-1電極は前記第1連結配線から前記第2方向に沿って前記第1サブ発光領域に分岐され、
前記第2-1電極は前記第2連結配線から前記第2方向に沿って前記第1サブ発光領域に分岐され、
前記第1-1電極と前記第2-1電極は前記第1サブ発光領域において前記第1方向に沿って交互に配置されることを特徴とする請求項6に記載の発光装置。 - 前記第1-2電極は前記第1整列配線から前記第1方向に沿って前記第2サブ発光領域に分岐され、
前記第2-2電極は前記第2整列配線から前記第1方向に沿って前記第2サブ発光領域に分岐され、
前記第1-2電極と前記第2-2電極は前記第2サブ発光領域において前記第2方向に沿って交互に配置されることを特徴とする請求項6に記載の発光装置。 - 前記第1連結配線は前記第1整列配線に連結された一側端部と前記一側端部に対向する他側端部を含み、
前記他側端部は丸い形状であることを特徴とする請求項6に記載の発光装置。 - 前記第1-2及び第2-2電極のうち前記第2サブ発光領域の最上側に配置された1つの電極と前記第1連結配線の間の間隔は、前記第1-2電極と前記第2-2電極の間の間隔より大きいことを特徴とする請求項6に記載の発光装置。
- 前記基板と前記第1電極の間に提供される第1隔壁と、
前記基板と前記第2電極の間に提供され、前記第1隔壁と一定間隔離隔された第2隔壁と、
前記第1電極上に提供され、対応する発光素子の第1及び第2端部の何れか1つの端部と前記第1電極を連結する第1コンタクト電極と、
前記第2電極上に提供され、前記対応する発光素子の残り1つの端部と前記第2電極を連結する第2コンタクト電極と、をさらに含むことを特徴とする請求項2に記載の発光装置。 - 前記第1及び第2発光素子上に提供され、前記第1及び第2発光素子のそれぞれの第1及び第2端部を露出させる第2絶縁層と、
前記第1コンタクト電極上に提供されて前記第1コンタクト電極をカバーする第3絶縁層と、
前記第2コンタクト電極上に提供されて前記第2コンタクト電極をカバーする第4絶縁層と、をさらに含むことを特徴とする請求項11に記載の発光装置。 - 前記第1絶縁パターン上に提供された第1導電パターン及び前記第2絶縁パターン上に提供された第2導電パターンをさらに含み、
前記第1及び第2導電パターンは前記第1コンタクト電極と同じ層に提供されることを特徴とする請求項12に記載の発光装置。 - 前記第1整列配線は前記第1電極と同じ層に提供され、前記第1電極と一体で提供され、前記第2整列配線は前記第2電極と同じ層に提供され、前記第2電極と一体で提供されることを特徴とする請求項1に記載の発光装置。
- 前記第1電極は前記第1整列配線から前記第1方向に沿って突出した複数個の枝電極を含み、
前記第2電極は前記第2方向に並んで配置され前記第1方向に突出して配列された複数個の突出電極及び隣接する突出電極の間に提供された複数個の空洞を含み、
前記枝電極のそれぞれは1つの空洞に対応するように提供されることを特徴とする請求項14に記載の発光装置。 - 前記第1電極と前記第2電極は電気的に分離され、前記第1及び第2電極のうち1つの電極は他の1つの電極の周りを取り囲む形状であることを特徴とする請求項1に記載の発光装置。
- 前記第1及び第2発光素子のそれぞれは、
第1導電性ドーパントがドープされた第1導電性半導体層と、
第2導電性ドーパントがドープされた第2導電性半導体層と、
前記第1導電性半導体層と前記第2導電性半導体層の間に提供された活性層と、を含むことを特徴とする請求項16に記載の発光装置。 - 前記第1及び第2発光素子のそれぞれは、マイクロスケールまたはナノスケールを有する円柱状あるいは多角柱状の発光ダイオードを含むことを特徴とする請求項17に記載の発光装置。
- 表示領域及び非表示領域を含む基板と、
前記表示領域に提供され、少なくとも1つのトランジスタを含む画素回路部と、
前記画素回路部上に提供され、光が出射される複数の単位発光領域を備える表示素子層と、を含み、
前記表示素子層は、
前記画素回路部上に提供され、第1方向に第1端部と第2端部を有する少なくとも1つの第1発光素子と、
前記第1方向と交差する第2方向に第1端部と第2端部を有する少なくとも1つの第2発光素子と、
前記画素回路部上に提供され、前記第1及び第2発光素子のそれぞれの第1及び第2端部の何れか1つに連結された第1電極と、残り1つに連結された第2電極と、
前記画素回路部上において前記第2方向に沿って延長され、前記第1電極に連結された第1整列配線と、
前記第1整列配線と一定間隔離隔され、前記第2電極に連結された第2整列配線と、
前記第1電極上に提供され、対応する発光素子の第1及び第2端部の何れか1つの端部と前記第1電極を連結する第1コンタクト電極と、
前記基板と前記第1及び第2発光素子の間に配置された第1絶縁層と、
平面上で見たとき、前記第1整列配線の一部と重畳する第1絶縁パターンと前記第2整列配線の一部と重畳する第2絶縁パターンと、
前記第2電極上に提供され、前記対応する発光素子の残り1つの端部と前記第2電極を連結する第2コンタクト電極と、を含み、
前記第1及び第2絶縁パターンは前記第1絶縁層と同じ層に提供され、
前記第1及び第2絶縁パターンは、前記第1及び第2電極の間に形成される電界の一部を遮蔽させる
ことを特徴とする表示装置。
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