JP2017028287A - 発光装置及びその製造方法 - Google Patents
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- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
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- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/04—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
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- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/08—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
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Abstract
Description
1a 第一発光ユニット
1b 第二発光ユニット
10 成長基板
11 第一半導体スタック層
11a 第一半導体構造
111 第一半導体層
112 第一活性層
113 第二半導体層
13 反射層
14 トンネル接合
15 第二半導体スタック層
15a 第二半導体構造
15b 第三半導体構造
15s 表面
15s’ 側表面
151 第三半導体層
152 第二活性層
153 第四半導体層
16 第三上部電極
161 接触電極
162 ブリッジ電極
17 第一頂部電極
18 第二頂部電極
20 キャリア
21 接着層
22 底部電極
23 エッチングストップ層
30 溝
100 電流
200 電流
Claims (10)
- 発光素子であって、
キャリア;
前記キャリアの上に位置し、また、第一多重量子井戸構造を有する第一半導体構造及び第二多重量子井戸構造を有する第二半導体構造を含む第一発光ユニット;
前記第一発光ユニットの前記第一半導体構造上に位置する第一頂部電極;及び
前記第一発光ユニットの前記第二半導体構造上に位置する第三頂部電極を含み、
前記第二半導体構造は前記第一半導体構造よりも前記キャリアに接近し、
前記第一多重量子井戸構造は線形の電流/電圧特性を有し、また、第一主波長を有する第一光線を発することができ、
前記第二多重量子井戸構造は非線形の電流/電圧特性を有し、又は、前記第二多重量子井戸構造は前記第三頂部電極に直接接触する、発光素子。 - 請求項1に記載の発光素子であって、
前記キャリア上に位置する底部電極をさらに含み、
前記第三頂部電極及び前記底部電極は電流径路を構成し、前記第三頂部電極は前記第一頂部電極及び前記底部電極と電気的に直列接続される、発光素子。 - 請求項1に記載の発光素子であって、
前記キャリア上に位置する底部電極をさらに含み、
前記第三頂部電極及び前記底部電極は電流径路を構成し、前記第一頂部電極及び前記底部電極に流れる電流が順方向で前記第一多重量子井戸構造を駆動して前記第一光線を発させることができる、発光素子。 - 請求項1に記載の発光素子であって、
前記第二多重量子井戸構造は壊されて光線を発しない、発光素子。 - 請求項1に記載の発光素子であって、
前記キャリアの上に位置する第二発光ユニットをさらに含み、
前記第一発光ユニットは、前記第二発光ユニットと物理的に別々に形成され、前記第二発光ユニットは前記第二多重量子井戸構造を有する第三半導体構造を有し、前記第三半導体構造の前記第二多重量子井戸構造は第二主波長を有する第二光線を発することができる、発光素子。 - 請求項5に記載の発光素子であって、
前記第一光線は赤外光線であり、前記第二光線は赤色光である、発光素子。 - 請求項1に記載の発光素子であって、
前記第一多重量子井戸構造はInxGayAl(1-x-y)As(0≦x、y≦1)を含み、前記第二多重量子井戸構造はInaGabAl(1-a-b)P(0≦a、b≦1)を含む、発光素子。 - 請求項1に記載の発光素子であって、
前記第一半導体構造と前記第二半導体構造との間に位置するトンネル接合をさらに含み、エッチングストップ層が前記第一半導体構造と前記第二半導体構造との間に位置し、ブラッグ反射(DBR)構造が前記第一半導体構造と前記第二半導体構造との間に位置する、発光素子。 - 発光素子の製造方法であって、
成長基板を提供し;
第一多重量子井戸構造を含む第一半導体スタック層を前記成長基板上に成長させ;
第二多重量子井戸構造を含む第二半導体スタック層を前記第一半導体スタック層の上に成長させ;
キャリアを提供し;
前記第二導体スタック層を前記キャリアに結合し、前記キャリアは第一領域及び該第一領域に隣接する第二領域を含み;
前記キャリアの前記第二領域における前記第一半導体スタック層を除去して前記第二半導体スタック層を露出し、また、前記キャリアの前記第一領域における前記第一半導体スタック層を残し;
一部の前記第二半導体スタック層を除去して、前記第二半導体スタック層を2つの別々の部分に分かるよう溝を形成し;
第一頂部電極を前記キャリアの前記第一領域における前記第一半導体スタック層上に形成し;及び
前記キャリアの前記第二領域における前記第二半導体スタック層上に第二頂部電極を形成し、前記キャリアは、前記第一頂部電極及び前記第二頂部電極の両方に電気接続されることを含む、発光素子の製造方法。 - 請求項9に記載の発光素子の製造方法であって、
電流を、前記キャリアの前記第一領域における前記第二多重量子井戸構造を壊すように提供することをさらに含み、
前記第一領域における前記第一多重量子井戸構造及び前記第二多重量子井戸構造間の電気的な直列接続により、前記第一領域における前記第一多重量子井戸構造は順方向で駆動されて発光し、そのうち、順方向で前記第一領域における前記第一多重量子井戸構造を駆動する前に、前記第一領域における前記第二多重量子井戸構造は壊される、発光素子の製造方法。
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US14/808,295 US9825088B2 (en) | 2015-07-24 | 2015-07-24 | Light-emitting device and manufacturing method thereof |
US14/808,295 | 2015-07-24 |
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JP2017028287A true JP2017028287A (ja) | 2017-02-02 |
JP2017028287A5 JP2017028287A5 (ja) | 2019-08-29 |
JP6925107B2 JP6925107B2 (ja) | 2021-08-25 |
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US (2) | US9825088B2 (ja) |
JP (1) | JP6925107B2 (ja) |
KR (1) | KR20170012146A (ja) |
CN (2) | CN112234126A (ja) |
DE (1) | DE102016111923A1 (ja) |
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JP2022543821A (ja) * | 2019-08-06 | 2022-10-14 | プレッシー・セミコンダクターズ・リミテッド | Ledアレイおよびledアレイを形成する方法 |
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JP7323783B2 (ja) | 2019-07-19 | 2023-08-09 | 日亜化学工業株式会社 | 発光装置の製造方法及び発光装置 |
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JP2021508175A (ja) * | 2017-12-22 | 2021-02-25 | ルミレッズ リミテッド ライアビリティ カンパニー | Iii−窒化物マルチ波長発光ダイオード |
JP7323783B2 (ja) | 2019-07-19 | 2023-08-09 | 日亜化学工業株式会社 | 発光装置の製造方法及び発光装置 |
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JP7555946B6 (ja) | 2019-09-11 | 2024-10-22 | ジェイド バード ディスプレイ(シャンハイ) リミテッド | 多色ledピクセルユニットおよびマイクロledディスプレイパネル |
JP2023513562A (ja) * | 2020-02-10 | 2023-03-31 | グーグル エルエルシー | ディスプレイデバイスおよび関連付けられた方法 |
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US11894416B2 (en) | 2020-02-10 | 2024-02-06 | Google Llc | Display devices with multiple emitters |
JP7450122B2 (ja) | 2020-11-12 | 2024-03-14 | ルミレッズ リミテッド ライアビリティ カンパニー | エッチング停止層を有するiii族-窒化物マルチ波長ledアレイ |
JP2023546473A (ja) * | 2020-11-12 | 2023-11-02 | ルミレッズ リミテッド ライアビリティ カンパニー | エッチング停止層を有するiii族-窒化物マルチ波長ledアレイ |
US12009454B2 (en) | 2020-11-16 | 2024-06-11 | Nichia Corporation | Light emitting device |
Also Published As
Publication number | Publication date |
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US20170025567A1 (en) | 2017-01-26 |
US9825088B2 (en) | 2017-11-21 |
KR20170012146A (ko) | 2017-02-02 |
DE102016111923A1 (de) | 2017-02-09 |
CN106374018A (zh) | 2017-02-01 |
TW201705520A (zh) | 2017-02-01 |
JP6925107B2 (ja) | 2021-08-25 |
US20180012929A1 (en) | 2018-01-11 |
TWI736544B (zh) | 2021-08-21 |
CN106374018B (zh) | 2020-10-20 |
CN112234126A (zh) | 2021-01-15 |
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