JP2016127289A - 発光素子、発光素子アレイ及びそれを含む照明装置 - Google Patents
発光素子、発光素子アレイ及びそれを含む照明装置 Download PDFInfo
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Abstract
Description
120 発光構造物
122 第1導電型半導体層
124 活性層
126 第2導電型半導体層
130 導電層
142 第1電極
142a 第1電極線
146 第2電極
146a 第2電極線
146b 外部接続電極線
150 絶縁層
200 回路基板
210 レジン層
300 スマートウォッチ
310 発光素子アレイ
Claims (20)
- 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導電型半導体層と電気的に接触する第1電極と、
前記発光構造物の一部分及び前記第1電極の上に配置される絶縁層と、
前記第2導電型半導体層と電気的に接触する第2電極とを含み、
前記第1電極は、前記第1導電型半導体層の側面から突出するように設けられる第1部分を含む、発光素子。 - 前記第1導電型半導体層は第1メサ領域及び第2メサ領域を含み、前記第1メサ領域上に前記活性層及び前記第2導電型半導体層が配置される、請求項1に記載の発光素子。
- 前記第1電極の前記第1部分は、前記第1導電型半導体層の前記第2メサ領域の側面から突出して配置される、請求項1又は2に記載の発光素子。
- 前記第1電極は、前記第1導電型半導体層の前記第2メサ領域の側面に配置される第2部分をさらに含む、請求項2又は3に記載の発光素子。
- 前記第1電極は、前記第1導電型半導体層の前記第2メサ領域の上部面に配置される第3部分をさらに含む、請求項2乃至4のいずれかに記載の発光素子。
- 前記第1電極の前記第1部分の下部面の高さは、前記第1導電型半導体層の底面の高さと同一である、請求項1乃至5のいずれかに記載の発光素子。
- 回路基板と、
前記回路基板上に配置され、第1導電型半導体層と活性層及び第2導電型半導体層を含む発光構造物、前記第1導電型半導体層と電気的に接触する第1電極、及び前記第2導電型半導体層と電気的に接触する第2電極を含み、前記第1電極は、前記第1導電型半導体層の側面から突出する第1部分を含む、複数個の発光素子と、
前記発光構造物の一部分及び前記第1電極の上に配置される絶縁層と、
前記回路基板と前記複数個の発光素子との間に充填される絶縁性レジン層と、
前記複数個の発光素子のうち第1方向に隣接する前記複数個の発光素子の前記第1電極と電気的に接触する少なくとも1つ以上の第1電極線と、
前記複数個の発光素子のうち前記第1方向と交差する第2方向に隣接する前記複数個の発光素子の前記第2電極と電気的に接触する少なくとも1つ以上の第2電極線とを含む、発光素子アレイ。 - 前記発光素子の前記第1導電型半導体層は第1メサ領域及び第2メサ領域を含み、前記第1メサ領域上に前記活性層及び前記第2導電型半導体層が配置され、
前記第1電極の前記第1部分は、前記第1導電型半導体層の前記第2メサ領域の側面から突出して配置される、請求項7に記載の発光素子アレイ。 - 前記第1電極線の下部面は、前記第1電極の前記第1部分の上部面と接触するように設けられる、請求項7又は8に記載の発光素子アレイ。
- 前記第1電極は、前記第1導電型半導体層の前記第2メサ領域の側面に配置される第2部分をさらに含み、
前記第1電極線は、前記第1電極の前記第2部分の少なくとも一部の領域と接触するように設けられる、請求項8又は9に記載の発光素子アレイ。 - 前記第1電極は、前記第1導電型半導体層の前記第2メサ領域の上部面に配置される第3部分をさらに含み、
前記第1電極線の上部面の高さは、前記第1電極の前記第3部分の上部面の高さよりも低くなるように設けられる、請求項8乃至10のいずれかに記載の発光素子アレイ。 - 前記絶縁層はDBR(DISTRIBUTED BRAGG REFLECTOR)構造で設けられる、請求項7乃至11のいずれかに記載の発光素子アレイ。
- 前記絶縁層は、SiO2、Si3N4またはポリイミド化合物のうち少なくとも1つを含む、請求項7乃至12のいずれかに記載の発光素子アレイ。
- 前記第1電極は、オーミック層、反射層及び結合層を含む、請求項7乃至13のいずれかに記載の発光素子アレイ。
- 前記第2電極は、オーミック層及び反射層を含む、請求項7乃至14のいずれかに記載の発光素子アレイ。
- 前記第1電極線は、
第1面上で前記絶縁層と接触するように設けられ、
前記第1面と対向する第2面は露出するように配置される、請求項7乃至15のいずれかに記載の発光素子アレイ。 - 前記第2電極線は、
第1面で前記絶縁性レジン層に露出するように設けられ、
前記第1面と対向する第2面で前記絶縁層と接触する、請求項7乃至16のいずれかに記載の発光素子アレイ。 - 前記第2導電型半導体層は前記第1メサ領域上に配置され、
前記第2電極は前記第2導電型半導体層上に配置され、
前記第1メサ領域の前記第2導電型半導体層上に導電層をさらに含む、請求項7乃至17のいずれかに記載の発光素子アレイ。 - 前記少なくとも1つ以上の第1電極線は、前記第1方向に対して所定の角度傾斜するように配置される、請求項7乃至18のいずれかに記載の発光素子アレイ。
- 回路基板と、
前記回路基板上に配置され、第1導電型半導体層と活性層及び第2導電型半導体層を含む発光構造物、前記第1導電型半導体層と電気的に接触する第1電極、及び前記第2導電型半導体層と電気的に接触する第2電極を含み、前記第1電極は、前記第1導電型半導体層の側面から突出する第1部分を含む、複数個の発光素子と、
前記発光構造物の一部分及び前記第1電極の上に配置される絶縁層と、
前記回路基板と前記複数個の発光素子との間に充填され、導電性ボールを有するレジン層と、
前記複数個の発光素子のうち第1方向に隣接する前記複数個の発光素子の前記第1電極と電気的に接触する少なくとも1つ以上の第1電極線と、
前記複数個の発光素子のうち前記第1方向と交差する第2方向に隣接する前記複数個の発光素子の前記第2電極と電気的に接触する少なくとも1つ以上の第2電極線とを含む、発光素子アレイと、
前記発光素子アレイで励起される光の経路を変更する光学部材と、を含む、照明装置。
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KR1020140190407A KR102322842B1 (ko) | 2014-12-26 | 2014-12-26 | 발광 소자 어레이 |
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CN105742444A (zh) | 2016-07-06 |
KR102322842B1 (ko) | 2021-11-08 |
KR20160079276A (ko) | 2016-07-06 |
EP3038172B1 (en) | 2022-04-27 |
EP3038172A3 (en) | 2016-09-14 |
EP3038172A2 (en) | 2016-06-29 |
US20160190396A1 (en) | 2016-06-30 |
US9620683B2 (en) | 2017-04-11 |
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CN105742444B (zh) | 2019-09-13 |
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