JP7451513B2 - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP7451513B2 JP7451513B2 JP2021522023A JP2021522023A JP7451513B2 JP 7451513 B2 JP7451513 B2 JP 7451513B2 JP 2021522023 A JP2021522023 A JP 2021522023A JP 2021522023 A JP2021522023 A JP 2021522023A JP 7451513 B2 JP7451513 B2 JP 7451513B2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 1
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- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
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- 229910052718 tin Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
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Description
Claims (21)
- 第1領域を有する、第1の第1導電型半導体層と、前記第1の第1導電型半導体層の上に配置された第1の第2導電型半導体層と、を含む第1発光部と、
第2領域を有する、前記第1の第1導電型半導体層と、前記第1の第2導電型半導体層から離間されて前記第1の第1導電型半導体層の上に配置された第2の第2導電型半導体層と、を含む第2発光部と、
第3領域を有する、第3の第1導電型半導体層と、第3の第2導電型半導体層と、を含む第3発光部と、
前記第1の第1導電型半導体層および前記第3の第1導電型半導体層に共通して電気的に接続される共通パッドと、を含み、
前記第3発光部は、前記第1発光部および前記第2発光部の上において前記第1発光部および前記第2発光部から離間されて配置され、
前記第3領域は、前記第1領域および前記第2領域の各々よりも大きい、発光装置。 - 前記第1発光部は、前記第1の第1導電型半導体層の上に位置する第1活性層および前記第1の第2導電型半導体層を含む第1半導体構造体を含み、
前記第2発光部は、前記第1の第1導電型半導体層の上に位置する第2活性層および前記第2の第2導電型半導体層を含む第2半導体構造体を含み、
前記第3発光部は、第3活性層をさらに含む、請求項1に記載の発光装置。 - 前記第1の第2導電型半導体層と電気的に接続される第1パッドと、
前記第2の第2導電型半導体層と電気的に接続される第2パッドと、
前記第3の第2導電型半導体層と電気的に接続される第3パッドと、をさらに含む、請求項2に記載の発光装置。 - 前記第1の第2導電型半導体層と前記第1パッドとを電気的に接続する第1貫通電極と、
前記第2の第2導電型半導体層と前記第2パッドとを電気的に接続する第2貫通電極と、
前記第3の第2導電型半導体層と前記第3パッドとを電気的に接続する第3貫通電極と、
前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層と前記共通パッドとを電気的に接続する第4貫通電極と、
前記第3の第1導電型半導体層と前記共通パッドとを電気的に接続する第5貫通電極と、をさらに含む、請求項3に記載の発光装置。 - 前記第1の第2導電型半導体層と前記第1パッドとを電気的に接続する第1貫通電極と、
前記第2の第2導電型半導体層と前記第2パッドとを電気的に接続する第2貫通電極と、
前記第3の第2導電型半導体層と前記第3パッドとを電気的に接続する第3貫通電極と、
前記第1の第1導電型半導体層および前記第3の第1導電型半導体層と前記共通パッドとを電気的に接続する第4貫通電極と、をさらに含み、
前記第4貫通電極は、前記第3の第1導電型半導体層を貫通し、前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層と電気的に接続されている、請求項3に記載の発光装置。 - 前記第1発光部および前記第2発光部と前記第3発光部との間、ならびに前記第1半導体構造体と前記第2半導体構造体との間を充填し、前記第1発光部および前記第2発光部と前記第3発光部とを接着する接着部をさらに含む、請求項5に記載の発光装置。
- 前記第1乃至前記第4貫通電極の外側の側壁を囲む誘電体層をさらに含み、
前記第4貫通電極は、前記第3発光部および前記接着部を貫通し、前記第4貫通電極の一方の面は、前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層と接触し、前記第4貫通電極の他方の面は、前記共通パッドと接触し、
前記共通パッドは、前記第3の第1導電型半導体層と電気的に接触する、請求項6に記載の発光装置。 - 前記第3発光部は、前記第3の第1導電型半導体層を露出する開孔を含み、
前記開孔は、前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層に対応する位置で、前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層の幅よりも小さい幅を有する、請求項6に記載の発光装置。 - 前記開孔は、前記第3の第1導電型半導体層と前記第1の第1導電型半導体層との間に配置され、前記接着部は、前記開孔を充填し、
前記第4貫通電極は、前記第3の第1導電型半導体層および前記接着部を貫通し、前記第4貫通電極の一方の面は、前記共通パッドと接触し、前記一方の面とは反対側を向いている他方の面は、前記第1の第1導電型半導体層と接触し、前記第4貫通電極の側壁は、前記第3の第1導電型半導体層と接触する、請求項8に記載の発光装置。 - 前記開孔を充填する誘電体層をさらに含み、
前記開孔は、前記共通パッドと前記第3の第1導電型半導体層との間に配置され、
前記第4貫通電極は、前記誘電体層および前記第3の第1導電型半導体層を貫通し、前記第4貫通電極の上部側壁は、前記誘電体層と接触し、前記第4貫通電極の中央部側壁は、前記第3の第1導電型半導体層と接触し、前記第4貫通電極の下部側壁は、前記接着部と接触し、前記第4貫通電極の一方の面は、前記共通パッドと接触し、前記一方の面とは反対側を向いている他方の面は、前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層と接触する、請求項8に記載の発光装置。 - 前記開孔は、前記第1半導体構造体と前記第2半導体構造体との間に露出される前記第1の第1導電型半導体層に面し、
前記接着部は、前記開孔の中に延在し、前記第3の第1導電型半導体層と接触し、前記第1半導体構造体と前記第2半導体構造体との間に延在し、前記第1の第1導電型半導体層と接触する、請求項8に記載の発光装置。 - 前記第4貫通電極は、前記第3の第1導電型半導体層および前記接着部の少なくとも一部と接触する、請求項11に記載の発光装置。
- 前記第4貫通電極は、前記第3の第1導電型半導体層を貫通し、前記第4貫通電極の側壁は、前記第3の第1導電型半導体層と接触する、請求項12に記載の発光装置。
- 前記開孔を充填する誘電体層をさらに含み、
前記開孔は、前記共通パッドと前記第3の第1導電型半導体層との間に配置され、
前記第4貫通電極は、前記誘電体層を貫通し、前記第3の第1導電型半導体層および前記接着部の少なくとも一部を貫通し、前記第4貫通電極の一部は、前記第3の第1導電型半導体層と接触する、請求項8に記載の発光装置。 - 第1領域を有する第1発光部と、
第2領域を有する第2発光部と、
第3領域を有する第3発光部と、
前記第1発光部および前記第2発光部が互いに離間されて配置される基板と、
前記基板と前記第1発光部および前記第2発光部とを接合し、導電性材料を含む接合層と、を含み、
前記第3発光部は、前記第1発光部および前記第2発光部の上において前記第1発光部および前記第2発光部から離間されて配置され、
前記第3領域は、前記第1領域および前記第2領域の各々よりも大きい、発光装置。 - 前記第1発光部は、第1の第1導電型半導体層、第1活性層、および第1の第2導電型半導体層を含み、
前記第2発光部は、第2の第1導電型半導体層、第2活性層、および第2の第2導電型半導体層を含み、
前記第3発光部は、第3の第1導電型半導体層、第3活性層、および第3の第2導電型半導体層を含む、請求項15に記載の発光装置。 - 前記接合層は、前記第1の第1導電型半導体層と前記第2の第1導電型半導体層とを電気的に接続する、請求項16に記載の発光装置。
- 前記第1の第2導電型半導体層と電気的に接続される第1パッドと、
前記第2の第2導電型半導体層と電気的に接続される第2パッドと、
前記第3の第2導電型半導体層と電気的に接続される第3パッドと、
前記接合層と電気的に接続される共通パッドと、をさらに含む、請求項17に記載の発光装置。 - 前記接合層は、
前記第1の第1導電型半導体層と前記基板との間に配置される第1接合層と、
前記第2の第1導電型半導体層と前記基板との間に配置される第2接合層と、を含み、
前記第1接合層および前記第2接合層の各々は、前記基板と電気的に接続される、請求項16に記載の発光装置。 - 前記第1の第2導電型半導体層と電気的に接続される第1パッドと、
前記第2の第2導電型半導体層と電気的に接続される第2パッドと、
前記第3の第2導電型半導体層と電気的に接続される第3パッドと、
前記基板と電気的に接続される共通電極と、をさらに含む、請求項19に記載の発光装置。 - 前記第1発光部は、前記第2発光部と同一平面上に配置される、請求項1に記載の発光装置。
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US16/666,626 US11621253B2 (en) | 2018-11-02 | 2019-10-29 | Light emitting device |
PCT/KR2019/014688 WO2020091495A1 (ko) | 2018-11-02 | 2019-11-01 | 발광 소자 |
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