JP7285491B2 - ナノワイヤ発光スイッチデバイス及びその方法 - Google Patents
ナノワイヤ発光スイッチデバイス及びその方法 Download PDFInfo
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- JP7285491B2 JP7285491B2 JP2021533388A JP2021533388A JP7285491B2 JP 7285491 B2 JP7285491 B2 JP 7285491B2 JP 2021533388 A JP2021533388 A JP 2021533388A JP 2021533388 A JP2021533388 A JP 2021533388A JP 7285491 B2 JP7285491 B2 JP 7285491B2
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- light emitting
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Description
この技術は、一般に、ナノワイヤ構造に関し、より詳細には、ナノワイヤ発光スイッチデバイス及びその方法に関する。
現在のディスプレイ解像度は、その実際的な限界に到達しつつある。ピクセル密度及び解像度での進展を可能にするために、ディスプレイに含まれる薄膜トランジスタ(TFT)のサイズをさらに縮小する必要がある。
ナノワイヤシステムは、基板と、基板の表面から軸に沿って延びる少なくとも1つのナノワイヤ構造とを含む。ナノワイヤ構造は、発光ダイオードと、発光ダイオードの動作状態を制御するために電気的に結合されたデバイスドライバとを含む。発光ダイオード及びデバイスドライバは、少なくとも1つのドープ領域をそれぞれ共有するように統合される。
[本発明1001]
基板と、
前記基板の表面から軸に沿って延びる少なくとも1つのナノワイヤ構造と
を備える、ナノワイヤシステムであって、
前記ナノワイヤ構造は、
発光ダイオードと、
前記発光ダイオードの動作状態を制御するために電気的に結合されたデバイスドライバと
を備え、
前記発光ダイオード及び前記デバイスドライバは、少なくとも1つのドープ領域をそれぞれ共有するように統合されている、
前記ナノワイヤシステム。
[本発明1002]
前記共有された少なくとも1つのドープ領域が、前記発光ダイオードの陰極領域と前記デバイスドライバのドレイン領域とを含むGaN層を備える、本発明1001のシステム。
[本発明1003]
前記発光ダイオードが、前記陰極領域を含む前記GaN層に電気的に結合された陽極領域をさらに備え、前記デバイスドライバが、ソース領域と前記ドレイン領域を含む前記GaN層との間で電気的に結合されたチャネル領域を備える、本発明1002のシステム。
[本発明1004]
前記ソース領域及び前記チャネル領域が、それぞれ別のGaN層を備える、本発明1003のシステム。
[本発明1005]
前記発光ダイオードの前記陰極領域及び前記デバイスドライバの前記ドレイン領域が、共通の外部接続性を共有する、本発明1002のシステム。
[本発明1006]
前記デバイスドライバの前記チャネル領域の周縁部の少なくとも一部分に電気的に結合されたゲート金属層をさらに備える、本発明1003のシステム。
[本発明1007]
前記少なくとも1つのナノワイヤ構造が2つ以上のナノワイヤ構造を備え、前記デバイスドライバのそれぞれのソース領域が共有ソース領域である、本発明1001のシステム。
[本発明1008]
2つ以上のナノワイヤ構造のチャネル領域と電気的に結合されたゲート金属層をさらに備える、本発明1007のシステム。
[本発明1009]
複数の隣接するナノワイヤ構造を共に電気的に結合する透明導電フィルム層をさらに備える、本発明1008のシステム。
[本発明1010]
前記複数の隣接するナノワイヤ構造が、前記透明導電フィルム層と前記ゲート金属層の両方によって電気的に結合されている、本発明1009のシステム。
[本発明1011]
前記少なくとも1つのナノワイヤ構造の最大断面寸法が約10ミクロン未満である、本発明1001のシステム。
[本発明1012]
前記少なくとも1つのナノワイヤ構造の最大断面寸法が約3ミクロン未満である、本発明1001のシステム。
[本発明1013]
Ni系金属ドレイン接点と、ソース領域に隣接し電気的に接続されたTi系金属層とをさらに備える、本発明1001のシステム。
[本発明1014]
前記発光ダイオードが、前記LEDの発光部分の上に、スペクトル発光を改変する材料の1つ以上の層をさらに備える、本発明1001のシステム。
[本発明1015]
前記1つ以上の層が色コンバータを備える、本発明1014のシステム。
[本発明1016]
基板を提供する工程と、
前記基板の表面から軸に沿って延びる少なくとも1つのナノワイヤ構造を形成する工程と
を含む、ナノワイヤシステムを製造する方法であって、
前記ナノワイヤ構造は、
発光ダイオードと、
前記発光ダイオードの動作状態を制御するために電気的に結合されたデバイスドライバと
を備え、
前記発光ダイオード及び前記デバイスドライバは、少なくとも1つのドープ領域をそれぞれ共有するように統合される、
前記方法。
[本発明1017]
前記共有された少なくとも1つのドープ領域が、前記発光ダイオードの陰極領域と前記デバイスドライバのドレイン領域とを含むGaN層を備える、本発明1016の方法。
[本発明1018]
前記発光ダイオードが、前記陰極領域を含む前記GaN層に電気的に結合された陽極領域をさらに備え、前記デバイスドライバが、ソース領域と前記ドレイン領域を含む前記GaN層との間で電気的に結合されたチャネル領域を備える、本発明1017の方法。
[本発明1019]
前記ソース領域及び前記チャネル領域が、それぞれ別のGaN層を備える、本発明1018の方法。
[本発明1020]
前記発光ダイオードの前記陰極領域及び前記デバイスドライバの前記ドレイン領域が、共通の外部接続性を共有する、本発明1017の方法。
[本発明1021]
前記デバイスドライバの前記チャネル領域の周縁部の少なくとも一部分に電気的に結合されたゲート金属層を形成する工程をさらに含む、本発明1018の方法。
[本発明1022]
前記少なくとも1つのナノワイヤ構造を形成する前記工程が、前記ナノワイヤ構造の2つ以上を形成することをさらに含み、前記デバイスドライバのそれぞれのソース領域が共有ソース領域である、本発明1016の方法。
[本発明1023]
2つ以上のナノワイヤ構造のチャネル領域と電気的に結合されたゲート金属層を形成する工程をさらに含む、本発明1022の方法。
[本発明1024]
複数のナノワイヤ構造を共に電気的に結合する透明導電フィルム層を形成する工程をさらに含む、本発明1023のシステム。
[本発明1025]
前記複数の隣接するナノワイヤ構造が、前記透明導電フィルム層及び前記ゲート金属層の両方によって電気的に結合される、本発明1024の方法。
[本発明1026]
前記少なくとも1つのナノワイヤ構造の最大断面寸法が約10ミクロン未満である、本発明1016の方法。
[本発明1027]
前記少なくとも1つのナノワイヤ構造の最大断面寸法が約3ミクロン未満である、本発明1016の方法。
[本発明1028]
Ni系金属ドレイン接点と、ソース領域に隣接し電気的に接続されたTi系金属層とを形成する工程をさらに含む、本発明1016の方法。
[本発明1029]
前記LEDの発光部分の上に、スペクトル発光を改変する材料の1つ以上の層を形成する工程をさらに含む、本発明1016の方法。
[本発明1030]
前記1つ以上の層が色コンバータを備える、本発明1030の方法。
図1A~図1Cに、ナノワイヤアレイシステム20(1)の一例を示す。ナノワイヤアレイシステム20(1)は、他の構成の他のタイプ及び/または数のシステム、デバイス、構成要素、層、領域、または他の要素を含む場合があるが、複数の離間したナノワイヤ発光スイッチデバイス11と、導電層12、13、及び14と、絶縁層16と、基板17とを含む。この技術は、単軸配向の統合された共有層構造によって高ピクセル密度アレイを容易に製作できるようにする、1つ以上のエネルギー効率が高く、信頼できるナノワイヤ発光スイッチデバイスを提供することを含むいくつかの優位点を提供する。
Claims (14)
- 基板と、
前記基板の表面から軸に沿って延びる少なくとも1つのナノワイヤ構造と
を備える、ナノワイヤシステムであって、
前記ナノワイヤ構造は、
発光ダイオードと、
前記発光ダイオードの動作状態を制御するために前記発光ダイオードに電気的に結合されたデバイスドライバと
を備え、
前記発光ダイオードの陰極領域及び前記デバイスドライバのドレイン領域は、少なくとも1つのドープ領域をそれぞれ共有するように統合されて、前記デバイスドライバのための電子が豊富なドレイン領域を備え、前記発光ダイオードの陽極領域が、前記少なくとも1つのドープ領域に電気的に結合され、前記デバイスドライバの電子が不足したチャネル領域が、電子が豊富なソース領域と前記少なくとも1つのドープ領域との間で電気的に結合される、
前記ナノワイヤシステム。 - 前記共有された少なくとも1つのドープ領域が、GaN層を備える、請求項1に記載のシステム。
- 前記陽極領域が、前記陰極領域を含む前記GaN層に電気的に結合され、前記チャネル領域が、前記ソース領域と、前記ドレイン領域を含む前記GaN層との間で電気的に結合される、請求項2に記載のシステム。
- 前記ソース領域及び前記チャネル領域が、それぞれ別のGaN層を備える、請求項3に記載のシステム。
- 前記発光ダイオードの前記陰極領域及び前記デバイスドライバの前記ドレイン領域が、共通の外部接続性を共有する、請求項2に記載のシステム。
- 基板と、
前記基板の表面から軸に沿って延びる少なくとも1つのナノワイヤ構造と
を備える、ナノワイヤシステムであって、
前記ナノワイヤ構造は、
発光ダイオードと、
前記発光ダイオードの動作状態を制御するために前記発光ダイオードに電気的に結合されたデバイスドライバと、
前記デバイスドライバのチャネル領域の周縁部の少なくとも一部分に電気的に結合されたゲート金属層と
を備え、
前記発光ダイオードの陰極領域及び前記デバイスドライバのドレイン領域は、少なくとも1つのドープ領域をそれぞれ共有するように統合されており、前記発光ダイオードの陽極領域が、前記少なくとも1つのドープ領域に電気的に結合され、前記デバイスドライバのチャネル領域が、ソース領域と前記少なくとも1つのドープ領域との間で電気的に結合される、
前記ナノワイヤシステム。 - 基板と、
前記基板の表面から、同じ単一配向をそれぞれ有する異なる軸に沿って別々に延びる、2つ以上のナノワイヤ構造と
を備える、ナノワイヤシステムであって、
前記ナノワイヤ構造のそれぞれは、
発光ダイオードと、
前記発光ダイオードの動作状態を制御するために前記発光ダイオードに電気的に結合されたデバイスドライバと、
2つ以上のナノワイヤ構造のチャネル領域に電気的に結合されたゲート金属層と
を備え、
前記発光ダイオードの陰極領域及び前記デバイスドライバのドレイン領域は、少なくとも1つのドープ領域をそれぞれ共有するように統合されており、2つ以上のナノワイヤ構造のための前記デバイスドライバのソース領域が、共有されたソース領域である、
前記ナノワイヤシステム。 - 複数の隣接するナノワイヤ構造を共に電気的に結合する透明導電フィルム層をさらに備える、請求項7に記載のシステム。
- 前記複数の隣接するナノワイヤ構造が、前記透明導電フィルム層と前記ゲート金属層の両方によって電気的に結合されている、請求項8に記載のシステム。
- 前記少なくとも1つのナノワイヤ構造の最大断面寸法が約10マイクロメートル未満である、請求項1に記載のシステム。
- 前記少なくとも1つのナノワイヤ構造の最大断面寸法が約3マイクロメートル未満である、請求項1に記載のシステム。
- Ni系金属ドレイン接点と、前記ソース領域に隣接し電気的に接続されたTi系金属層とをさらに備える、請求項1に記載のシステム。
- 前記発光ダイオードが、前記発光ダイオードの発光部分の上に、スペクトル発光を改変する材料の1つ以上の層をさらに備える、請求項1に記載のシステム。
- 前記1つ以上の層が色コンバータを備える、請求項13に記載のシステム。
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US11011571B2 (en) | 2021-05-18 |
CN113646894A (zh) | 2021-11-12 |
GB2591189B (en) | 2022-12-28 |
WO2020046710A2 (en) | 2020-03-05 |
GB202102306D0 (en) | 2021-04-07 |
GB2591189A (en) | 2021-07-21 |
KR20210046674A (ko) | 2021-04-28 |
US20200066786A1 (en) | 2020-02-27 |
WO2020046710A3 (en) | 2020-03-26 |
CN113646894B (zh) | 2024-07-16 |
JP2021534595A (ja) | 2021-12-09 |
KR102483509B1 (ko) | 2023-01-02 |
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