JP7345469B2 - ディスプレイ装置 - Google Patents
ディスプレイ装置 Download PDFInfo
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- JP7345469B2 JP7345469B2 JP2020528905A JP2020528905A JP7345469B2 JP 7345469 B2 JP7345469 B2 JP 7345469B2 JP 2020528905 A JP2020528905 A JP 2020528905A JP 2020528905 A JP2020528905 A JP 2020528905A JP 7345469 B2 JP7345469 B2 JP 7345469B2
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Description
Claims (7)
- 支持基板上に配列される複数のピクセルを備えるディスプレイ装置であって、
前記ピクセルのうちの少なくともいくつかが、第1、第2および第3ディスプレイ用発光ダイオード(LED)スタックを備え、
前記第1、第2および第3LEDスタックのそれぞれは、
第1表面および第2表面を有する第1LEDサブユニットと、
前記第1LEDサブユニットの第1表面上に配置される第2LEDサブユニットと、
前記第2LEDサブユニット上に配置され、粗面化された表面を有する第3LEDサブユニットと、
前記第1LEDサブユニットの前記第2表面側に配置され、前記第1LEDサブユニットとオーミック接触を形成する反射電極と、
前記第1LEDサブユニットと第2LEDサブユニットとの間に介在し、前記第2LEDサブユニットと電気的な接触を形成するオーミック電極と、を備え、
前記第2LEDサブユニットおよび第3LEDサブユニットは、前記第1LEDサブユニットから発生する第1の光を透過させるように構成され、
前記第3LEDサブユニットは、前記第2LEDサブユニットから発生する第2の光を透過させるように構成され、
前記粗面化された表面から前記第1の光が射出され、
前記第1、第2および第3LEDスタックの側面を覆う下部絶縁層をさらに備え、
前記下部絶縁層は、前記反射電極、前記第2LEDスタックおよび第3LEDスタックを露出させる開口部を備える、ディスプレイ装置。 - 前記第1、第2および第3LEDスタックのそれぞれがp型半導体層およびn型半導体層を備え、
前記第1、第2および第3LEDスタックのp型半導体層のそれぞれが共通配線に電気的に接続され、
前記第1、第2および第3LEDスタックのn型半導体層のそれぞれが互いに異なる配線に電気的に接続される、請求項1に記載のディスプレイ装置。 - 前記粗面化された表面は、前記第3LEDスタックの前記n型半導体層に形成される、請求項2に記載のディスプレイ装置。
- 前記共通配線は、データ配線を備え、前記異なる配線は、スキャン配線を備える、請求項3に記載のディスプレイ装置。
- 前記下部絶縁層は、赤色、緑色および青色光を反射させるように構成される分布ブラッグ反射器を備える、請求項1に記載のディスプレイ装置。
- 前記反射電極が共通配線を備え、複数のピクセルの下部に連続的に配置される、請求項2に記載のディスプレイ装置。
- 前記反射電極が各ピクセル領域内に配置される、請求項1に記載のディスプレイ装置。
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