JP7392138B2 - オプトエレクトロニクス素子およびオプトエレクトロニクス素子の製造方法 - Google Patents
オプトエレクトロニクス素子およびオプトエレクトロニクス素子の製造方法 Download PDFInfo
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- 230000005693 optoelectronics Effects 0.000 title claims description 63
- 238000000034 method Methods 0.000 title claims description 46
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- 239000004065 semiconductor Substances 0.000 claims description 356
- 238000002161 passivation Methods 0.000 claims description 63
- 239000004020 conductor Substances 0.000 claims description 25
- 230000005684 electric field Effects 0.000 claims description 17
- 238000000151 deposition Methods 0.000 claims description 5
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- 230000006798 recombination Effects 0.000 description 10
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- 150000001875 compounds Chemical class 0.000 description 6
- 230000005670 electromagnetic radiation Effects 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000000231 atomic layer deposition Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
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- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- -1 silicon nitride Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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Description
2 半導体積層体
4 パッシベーション層
5 縁部場生成装置
6 透明導電層
8 支持体
11 第1グループ
12 第2グループ
13 第3グループ
20 n型導電層
21 p型導電層
22 活性領域
25 側面
30 n電極
31 p電極
33 連結型電極
33a 別の電極
52 縁部領域
71 誘電体層
72 誘電体層
80 端子面
100 オプトエレクトロニクス素子
Claims (11)
- オプトエレクトロニクス素子(100)であって、前記オプトエレクトロニクス素子(100)は、
支持体(8)と、
個別にかつ独立して駆動制御可能な、前記支持体(8)上の複数の半導体チップ(1)と、を有し、
それぞれの半導体チップ(1)は、半導体積層体(2)を有し、前記半導体積層体(2)は、nドープ層(20)、pドープ層(21)、前記pドープ層(21)と前記nドープ層(20)との間でエレクトロルミネセンスによってビームを生成する活性領域(22)、および前記活性領域(22)に対して横向きに延在しておりかつ前記半導体積層体(2)を横方向に画定する側面(25)を有し、それぞれの前記半導体チップ(1)はさらに、前記pドープ層(21)および前記nドープ層(20)の電気的な接触接続のためのp電極(31)およびn電極(30)を有し、
前記半導体チップ(1)はそれぞれ、前記半導体積層体(2)のそれぞれの前記側面(25)に電気絶縁性のパッシベーション層(4)を有し、
少なくともいくつかの前記半導体チップ(1)は、第1グループ(11)に対応付けられており、
前記第1グループ(11)の前記半導体チップ(1)には、共通の縁部場生成装置(5)が対応付けられており、前記縁部場生成装置(5)は、前記第1グループ(11)のそれぞれの前記半導体チップ(1)において、前記半導体積層体(2)とは反対側を向いた、前記パッシベーション層(4)の面において、活性領域(22)の高さに配置されており、
前記縁部場生成装置(5)は、少なくとも一時的に、前記活性領域(22)の縁部領域(52)において電場が生成され、これにより、前記第1グループ(11)の前記半導体チップ(1)の動作時に、前記縁部領域(52)において前記半導体積層体(2)を通る電流を制御できるように構成されており、
前記第1グループ(11)の前記半導体チップ(1)はそれぞれ、第1波長領域の電磁ビームを放射するように構成されており、
いくつかの前記半導体チップ(1)は、第2グループ(12)に対応付けられており、
前記第2グループ(12)の前記半導体チップ(1)はそれぞれ、前記第1波長領域とは異なる第2波長領域のビームを放射するように構成されており、
前記第2グループ(12)の前記半導体チップ(1)には、共通の縁部場生成装置(5)が対応付けられており、前記縁部場生成装置(5)は、前記第2グループ(12)のそれぞれの前記半導体チップ(1)において、前記半導体積層体(2)とは反対側を向いた、前記パッシベーション層(4)の面において、活性領域(22)の高さに配置されており、
前記第1グループ(11)の前記半導体チップ(1)の前記パッシベーション層(4)は、前記第2グループ(12)の前記半導体チップ(1)と異なる厚さを有し、
前記第1グループ(11)の前記半導体チップ(1)および前記第2グループ(12)の前記半導体チップ(1)には、同じ共通の縁部場生成装置(5)が対応付けられる、オプトエレクトロニクス素子(100)。 - 前記半導体チップ(1)は、互いに離隔されて前記支持体(8)上に配置されており、
前記第1グループ(11)の前記半導体チップ(1)の共通の前記縁部場生成装置(5)は、連結型電極(33)を有し、
前記連結型電極(33)は、前記第1グループ(11)のそれぞれの半導体チップ(1)において、少なくとも前記活性領域(22)の高さで前記パッシベーション層(4)を覆う、請求項1記載のオプトエレクトロニクス素子(100)。 - 前記第1グループ(11)の半導体チップ(1)間の中間スペースには、少なくとも部分的に導電材料(50)が充填されており、
前記連結型電極(33)は、前記導電材料(50)を有する、請求項2記載のオプトエレクトロニクス素子(100)。 - 前記第1グループ(11)の半導体チップ(1)は、前記第2グループ(12)の半導体チップ(1)と交互に前記支持体(8)上に配置されている、請求項1記載のオプトエレクトロニクス素子(100)。
- 前記支持体(8)は、前記半導体チップ(1)を個別にかつ独立して駆動制御するための集積回路を有する、請求項1から4までのいずれか1項記載のオプトエレクトロニクス素子(100)。
- それぞれの半導体チップ(1)では、前記n電極(30)と前記p電極(31)との間に、所属の前記半導体積層体(2)が配置されており、
それぞれの半導体チップ(1)では、前記n電極(30)または前記p電極(31)のいずれかが、前記支持体(8)の側を向いており、かつ前記支持体(8)の端子面(80)に導電接続されている、請求項1から5までのいずれか1項記載のオプトエレクトロニクス素子(100)。 - それぞれ前記支持体(8)とは反対側を向いた、前記半導体チップ(1)の前記電極(30,31)は、透明導電層(6)により、互いに導電接続されている、請求項6記載のオプトエレクトロニクス素子(100)。
- 請求項1から7までのいずれか1項記載のオプトエレクトロニクス素子(1)を動作させる動作方法であって、共通の前記縁部場生成装置(5)により、前記第1グループ(11)および前記第2グループ(12)の前記半導体チップ(1)の前記活性領域(22)の前記縁部領域(52)において、一時的または持続的に電場を生成し、これにより、動作時に前記縁部領域(52)において前記半導体積層体(2)を通る電流を制御する、動作方法。
- 請求項1記載のオプトエレクトロニクス素子(100)の製造方法であって、前記製造方法は、以下のステップ、すなわち、
A)複数のオプトエレクトロニクス半導体チップ(1)を支持体(8)上に被着するステップを有し、
それぞれの半導体チップ(1)は、半導体積層体(2)を有し、前記半導体積層体(2)は、nドープ層(20)、pドープ層(21)、前記pドープ層(21)と前記nドープ層(20)との間でエレクトロルミネセンスによってビームを生成する活性領域(22)、および前記活性領域(22)に対して横向きに延在しておりかつ前記半導体積層体(2)を横方向に画定する側面(25)を備えており、前記半導体積層体(2)はさらに、前記pドープ層(21)および前記nドープ層(20)の電気的な接触接続のためのp電極(31)およびn電極(30)を有し、前記製造方法はさらに、
B)前記半導体チップ(1)の前記半導体積層体(2)のそれぞれの前記側面(25)にそれぞれパッシベーション層(4)を被着するステップと、
C)半導体チップ(1)の第1グループ(11)および第2グループ(12)用の共通の縁部場生成装置(5)を構成するステップとを有し、前記第1グループ(11)および前記第2グループ(12)のそれぞれの半導体チップ(1)において、前記半導体積層体(2)とは反対側を向いた、前記パッシベーション層(4)の面において、前記活性領域(22)の高さに、共通の前記縁部場生成装置(5)を配置し、
少なくとも一時的に、前記活性領域(22)の縁部領域(52)において電場が生成され、これにより、前記第1グループ(11)および前記第2グループ(12)の前記半導体チップ(1)の動作時に、前記縁部領域(52)において前記半導体積層体(2)を通る電流を制御できるように前記縁部場生成装置(5)を構成する、製造方法。 - 前記縁部場生成装置(5)を構成する前記ステップには、前記半導体チップ(1)間の中間スペースに導電材料(50)を充填することが含まれる、請求項9記載の製造方法。
- 前記中間スペースを充填した後、いくつかの半導体チップ(1)の前記側面(25)から前記導電材料(50)を除去する、請求項10記載の製造方法。
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DE102019217228.8A DE102019217228A1 (de) | 2019-11-07 | 2019-11-07 | Optoelektronisches bauteil und verfahren zur herstellung eines optoelektronischen bauteils |
DE102019217228.8 | 2019-11-07 | ||
PCT/EP2020/079658 WO2021089330A1 (de) | 2019-11-07 | 2020-10-21 | Optoelektronisches bauteil und verfahren zur herstellung eines optoelektronischen bauteils |
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JP2003051621A (ja) | 2001-08-06 | 2003-02-21 | Sony Corp | 発光素子の実装方法及び画像表示装置の製造方法 |
WO2003016782A1 (en) | 2001-08-09 | 2003-02-27 | Matsushita Electric Industrial Co., Ltd. | Led illuminator and card type led illuminating light source |
JP2009267418A (ja) | 2008-04-25 | 2009-11-12 | Samsung Electronics Co Ltd | 発光装置、これを含むパッケージとシステム、およびその製造方法 |
CN108269894A (zh) | 2016-12-30 | 2018-07-10 | 乐金显示有限公司 | 发光元件以及包括该发光元件的发光装置 |
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JP2022554363A (ja) | 2022-12-28 |
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