JP6934812B2 - 発光素子及びそれを含む発光素子アレイ - Google Patents
発光素子及びそれを含む発光素子アレイ Download PDFInfo
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- JP6934812B2 JP6934812B2 JP2017529607A JP2017529607A JP6934812B2 JP 6934812 B2 JP6934812 B2 JP 6934812B2 JP 2017529607 A JP2017529607 A JP 2017529607A JP 2017529607 A JP2017529607 A JP 2017529607A JP 6934812 B2 JP6934812 B2 JP 6934812B2
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Description
Claims (10)
- 回路基板と、
前記回路基板と離隔して配置され、第1導電型半導体層、前記第1導電型半導体層上の活性層、及び前記活性層上の第2導電型半導体層を含む発光構造物と、
前記第1導電型半導体層の一部の領域に配置される第1電極と、
前記第1電極、前記第1導電型半導体層、前記活性層、及び前記第2導電型半導体層の一部の領域上に配置され、DBR構造の絶縁層と、
前記発光構造物と前記回路基板との間に配置されるACF(Anisotropic Conductive Film)と、
前記第2導電型半導体層上に配置される第2電極と、を含み、
前記発光構造物の一部は、前記第1導電型半導体層、前記活性層、及び前記第2導電型半導体層を含む第1メサ領域を形成し、前記第1メサ領域と隣接して前記第1導電型半導体層の一部が第2メサ領域を形成し、前記第1電極は、前記第1導電型半導体層の第2メサ領域上に配置され、
前記第1電極は、第1、第2、及び第3部分を含み、
前記第1部分の下面は、前記第2メサ領域内の第1導電型半導体層の上面と直接接触し、前記第1部分の上面は、前記絶縁層と接触し、
前記第2部分の内側面は、前記第2メサ領域内の第1導電型半導体層の側面と直接接触し、前記第2部分の外側面は、前記絶縁層と接触し、
前記第3部分は、前記第2部分の下面から前記第2メサ領域の外側に延びて配置され、
前記第3部分の下面は、前記第1導電型半導体層の下面と同じ高さに配置されて露出され、前記第3部分の上面は、前記絶縁層と接触し、
前記ACFは、基材及び前記基材内の導電性ボールを含み、前記導電性ボールが、前記回路基板及び前記第2電極にそれぞれ接触し、
前記第2電極の上面は前記ACFと接触し、前記第2電極の下面の一部は前記発光構造物と接触する、発光素子。 - 前記第1電極は、前記回路基板と反対方向において一つの配線で接続された、請求項1に記載の発光素子。
- 前記第1メサ領域の一部上において、前記第2導電型半導体層、前記絶縁層、及び前記第2電極が垂直方向に重なる、請求項1又は2に記載の発光素子。
- 前記DBR構造は、TiO2とSiO2、またはTa2O5とSiO2が少なくとも2回繰り返して配置された構造である、請求項1乃至3のいずれか1項に記載の発光素子。
- 前記第1電極は、オーミック層及び反射層上に結合層を含む、請求項1乃至4のいずれか1項に記載の発光素子。
- 前記結合層はチタン(Ti)を含む、請求項5に記載の発光素子。
- 前記第2電極は、オーミック層及び反射層を含む、請求項1乃至6のいずれか1項に記載の発光素子。
- 前記第2電極のオーミック層は、クロム(Cr)、銀(Ag)またはチタン(Ti)を含む、請求項7に記載の発光素子。
- 前記第2電極のオーミック層は1nm以下の厚さである、請求項7又は8に記載の発光素子。
- 前記反射層は、
白金(Pt)と金(Au)、ニッケル(Ni)と金(Au)、アルミニウム(Al)と白金(Pt)と金(Au)、またはアルミニウム(Al)とニッケル(Ni)と金(Au)の構造を有する、請求項5乃至9のいずれか1項に記載の発光素子。
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KR1020140187884A KR102322841B1 (ko) | 2014-12-24 | 2014-12-24 | 발광소자 및 이를 포함하는 발광소자 어레이 |
KR10-2014-0187884 | 2014-12-24 | ||
PCT/KR2015/014236 WO2016105146A1 (ko) | 2014-12-24 | 2015-12-24 | 발광소자 및 이를 포함하는 발광소자 어레이 |
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JP2018501650A JP2018501650A (ja) | 2018-01-18 |
JP2018501650A5 JP2018501650A5 (ja) | 2019-02-07 |
JP6934812B2 true JP6934812B2 (ja) | 2021-09-15 |
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US (1) | US10186640B2 (ja) |
EP (1) | EP3240050B1 (ja) |
JP (1) | JP6934812B2 (ja) |
KR (1) | KR102322841B1 (ja) |
CN (1) | CN107112394B (ja) |
WO (1) | WO2016105146A1 (ja) |
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US20170338380A1 (en) | 2017-11-23 |
WO2016105146A1 (ko) | 2016-06-30 |
CN107112394B (zh) | 2020-02-14 |
EP3240050A1 (en) | 2017-11-01 |
EP3240050A4 (en) | 2017-11-01 |
US10186640B2 (en) | 2019-01-22 |
EP3240050B1 (en) | 2021-05-19 |
JP2018501650A (ja) | 2018-01-18 |
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