JP7212061B2 - 平坦な接合面を有するledバックプレーンおよびその製造方法 - Google Patents
平坦な接合面を有するledバックプレーンおよびその製造方法 Download PDFInfo
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Description
Claims (9)
- 発光デバイスアセンブリであって、
複数の金属相互接続構造を含む基板を含むバックプレーンと、
絶縁メサ構造を備え、前記基板よりも低い弾性率を有する複数の絶縁材料部であって、前記複数の絶縁材料部は、前記バックプレーンを覆うように位置し、前記複数の絶縁材料部の平坦な上面領域が同じ水平面内に位置するように、それぞれ前記平坦な上面領域を含む、前記複数の絶縁材料部と、
複数の金属プレートクラスタの2次元アレイであって、前記複数の金属プレートクラスタの各々は、複数の金属プレートを含み、各金属プレートは、絶縁材料部の平坦な上面領域のそれぞれの上にある水平金属プレート部と、前記水平金属プレート部と前記複数の金属相互接続構造のそれぞれとの間に延在する接続金属部と、を含む、前記複数の金属プレートクラスタの2次元アレイと、
複数の接合構造のそれぞれを通して前記バックプレーンに接合された複数の発光デバイスクラスタの2次元アレイであって、各発光デバイスクラスタは、前記複数の金属プレートクラスタのそれぞれの金属プレートクラスタの上にある複数の発光デバイスを含む、前記複数の発光デバイスクラスタの2次元アレイと、
を含むことを特徴とする発光デバイスアセンブリ。 - 前記複数の発光デバイスの遠位面の上に位置する不規則な表面の高さの変動を有する複数の化合物半導体材料部をさらに含み、前記遠位面が前記バックプレーンとは反対を向く前記複数の発光デバイスの表面であることを特徴とする請求項1に記載の発光デバイスアセンブリ。
- 前記複数の接合構造が、前記複数の金属プレートクラスタの2次元アレイの上に位置する複数のバックプレーン側接合パッドの2次元アレイを含み、前記複数のバックプレーン側接合パッドの各々が、前記水平金属プレート部のそれぞれの上に位置することを特徴とする請求項1に記載の発光デバイスアセンブリ。
- 前記複数の発光デバイスクラスタの2次元アレイ内の前記複数の発光デバイスの各々は、はんだ材料部を通して前記複数のバックプレーン側接合パッドのそれぞれに接合されたデバイス側接合パッドを含むことを特徴とする請求項3に記載の発光デバイスアセンブリ。
- 前記複数の金属相互接続構造は、前記複数の金属相互接続構造が存在しない複数のギャップ領域の矩形の2次元アレイを提供するように配され、
前記複数の絶縁材料部は、前記複数のギャップ領域の各々を覆うように位置し、
前記複数の金属プレートは、前記複数のギャップ領域のそれぞれの上にあることを特徴とする請求項1に記載の発光デバイスアセンブリ。 - 各発光デバイスクラスタが、直視型ディスプレイデバイスの画素を含むことを特徴とする請求項1に記載の発光デバイスアセンブリ。
- 前記複数の発光デバイスクラスタの2次元アレイが、前記複数の金属プレートクラスタの2次元アレイと同じ2次元周期性を有し、
前記接続金属部の各々は、前記複数の絶縁材料部のそれぞれのテーパー状の側壁または垂直な側壁、および、前記複数の金属相互接続構造のそれぞれの上面に接触することを特徴とする請求項1に記載の発光デバイスアセンブリ。 - 前記複数の絶縁材料部の前記絶縁メサ構造は、互いに直接接触せず、前記複数の金属プレートクラスタの2次元アレイと同じ2次元周期性を有する2次元アレイとして配されることを特徴とする請求項7に記載の発光デバイスアセンブリ。
- 前記バックプレーンの前記基板は、第1弾性率を有する第1誘電体材料を含み、
前記複数の絶縁材料部は、前記バックプレーンの前記基板の上に位置し、前記第1弾性率の80%未満の第2弾性率を有する第2誘電体材料を含むことを特徴とする請求項1に記載の発光デバイスアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/949,514 US10707190B2 (en) | 2018-04-10 | 2018-04-10 | LED backplane having planar bonding surfaces and method of making thereof |
US15/949,514 | 2018-04-10 | ||
PCT/US2019/025622 WO2019199547A1 (en) | 2018-04-10 | 2019-04-03 | Led backplane having planar bonding surfaces and method of making thereof |
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US11011669B2 (en) * | 2019-10-14 | 2021-05-18 | Shaoher Pan | Integrated active-matrix light emitting pixel arrays based devices |
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US10707190B2 (en) | 2020-07-07 |
JP2021521634A (ja) | 2021-08-26 |
US20190312015A1 (en) | 2019-10-10 |
KR20200131910A (ko) | 2020-11-24 |
EP3776655A1 (en) | 2021-02-17 |
TW201944145A (zh) | 2019-11-16 |
WO2019199547A1 (en) | 2019-10-17 |
EP3776655A4 (en) | 2022-01-05 |
KR102480160B1 (ko) | 2022-12-22 |
TWI797305B (zh) | 2023-04-01 |
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