JP6068672B2 - 半導体発光素子及びその製造方法 - Google Patents
半導体発光素子及びその製造方法 Download PDFInfo
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- JP6068672B2 JP6068672B2 JP2015540992A JP2015540992A JP6068672B2 JP 6068672 B2 JP6068672 B2 JP 6068672B2 JP 2015540992 A JP2015540992 A JP 2015540992A JP 2015540992 A JP2015540992 A JP 2015540992A JP 6068672 B2 JP6068672 B2 JP 6068672B2
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- epitaxial
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- light emitting
- semiconductor
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- H01L33/005—Processes
- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- H01L33/36—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 electrodes
- H01L33/38—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 electrodes with a particular shape
- H01L33/382—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 electrodes with a particular shape the electrode extending partially in or entirely through the semiconductor body
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Description
10、210、510 成長基板
112、2112、5112 n型半導体層
114、2114、5114 活性層
116、2116、5116 p型半導体層
110、2110、5110 半導体エピタキシャル積層
120a、120b、2120a、2120b、5120b p型電極
20、220、520、60 第1搭載基板
135、2135、5135 第1接着層
130a、130b、2130a、2130b、130b’、5120a n型電極
140、2140 金属酸化物透明導電層
150、2150 反射層
201、2201、501 第1エピタキシャルユニット
202、2202、502、501’ 第2エピタキシャルユニット
230、2230、5230 第2接着層
5280 透明金属酸化物導電層
30、530 第2搭載基板
200、300、400、500、600 半導体発光素子
2123 パターン化犠牲層
130a’、5120b’ p型延伸電極
130a’’ n型延伸電極
134 導電孔
132、232 絶縁層
202’ 第3エピタキシャルユニット
125 金属導電接続構造
120b’、1310 p型電極パッド
120b’’、1320 n型電極パッド
40 第1透明構造
410 絶縁散乱層
411、412 開口
530’ 第2搭載基板ユニット
501’ 十字形エピタキシャルユニット
260、560 ハンダ
50’、20’ サブキャリア
5000、2000 発光装置
A’、B’ 対称面
D 方向
Claims (14)
- 半導体発光素子の制作方法であって、
第1基板を提供するステップと、
前記第1基板にパターン化犠牲層を形成するステップと、
前記パターン化犠牲層を覆うように、第1接着層を形成するステップと、
前記第1基板に、複数の第1エピタキシャルユニット及び複数の第2エピタキシャルユニットを含む複数のエピタキシャルユニットを提供するステップと、
表面を有する第2基板を提供するステップと、
前記複数の第2エピタキシャルユニットを前記第2基板の前記表面に転移させるステップと、
前記第1基板を切断して、複数の第1半導体発光素子を形成するステップと、
前記複数のパターン化犠牲層を除去するステップとを含み、
前記複数の第1半導体発光素子はそれぞれ少なくとも前記第1エピタキシャルユニットを含み、
前記複数の第1エピタキシャルユニットはそれぞれ第1幾何形状及び第1面積を有し、前記複数の第2エピタキシャルユニットはそれぞれ第2幾何形状及び第2面積を有し、前記第1幾何形状と前記第2幾何形状とが異なり、又は、前記第1面積と前記第2面積とが異なり、前記第2エピタキシャルユニットは前記パターン化犠牲層の位置に対応する、半導体発光素子の制作方法。 - 前記複数の第2エピタキシャルユニットを前記第2基板に転移させるステップは、さらに、
前記複数の第2エピタキシャルユニットを前記第1基板から分離させるステップと、
第2接着層により、前記複数の第2エピタキシャルユニットを前記第2基板に接続させるステップとを含む、請求項1に記載の制作方法。 - 前記複数の第2エピタキシャルユニットを前記第2基板に転移させるステップは、さらに、
前記複数の第2エピタキシャルユニットを前記第2基板に接続させた後、前記複数の第2エピタキシャルユニットにおける前記第1接着層を局所的に除去するステップを含む、請求項2に記載の制作方法。 - 前記第2基板の一部表面に前記第2接着層を形成するステップをさらに含み、前記一部表面が前記複数の第2エピタキシャルユニットの位置に対応する、請求項3に記載の制作方法。
- 前記第1幾何形状及び/又は前記第2幾何形状は正方形、長方形又は十字形である、請求項1に記載の制作方法。
- 前記複数の第1半導体発光素子はそれぞれ、一つだけの前記第1エピタキシャルユニット及び前記第1エピタキシャルユニットを搭載するための第1基板ユニットを含む、請求項1に記載の制作方法。
- 前記複数の第2エピタキシャルユニットをそれぞれ複数の第3エピタキシャルユニットに分割するステップをさらに含み、
前記複数の第2エピタキシャルユニットはそれぞれ、少なくとも二つの前記第3エピタキシャルユニット、及び前記第2基板から切断され、かつ前記複数の第3エピタキシャルユニットを搭載するための第2基板ユニットを含む、請求項1に記載の制作方法。 - 前記複数の第2半導体発光素子はそれぞれ、少なくとも二つの前記第2エピタキシャルユニット、及び前記第2基板から切断され、かつ前記複数の第2エピタキシャルユニットを搭載するための第2基板ユニットを含む、請求項1に記載の制作方法。
- 前記複数の第3エピタキシャルユニットが直列又は並列される導電接続構造を少なくとも形成するステップをさらに含む、請求項7に記載の制作方法。
- 前記複数の第2エピタキシャルユニットがU字型に配列される、請求項7に記載の制作方法。
- 前記第2基板に第1電極パッド及び第2電極パッドを形成するステップをさらに含み、前記第1電極パッドと前記第2電極パッドは少なくとも前記第3エピタキシャルユニットと電気接続する、請求項7に記載の制作方法。
- 前記第1電極パッドと前記第2電極パッドは、前記第2基板における少なくとも前記第3エピタキシャルユニットの領域以外に形成される、請求項11に記載の制作方法。
- 前記第1基板に前記複数のエピタキシャルユニットを提供するステップは、さらに、
半導体エピタキシャル積層を提供するステップと、
前記第1接着層により、前記第1基板及び前記半導体エピタキシャル積層を接続させるステップと、
前記半導体エピタキシャル積層をパターン化して、前記複数のエピタキシャルユニットにするステップとを含む、請求項1に記載の制作方法。 - 前記第2基板を切断して、複数の第2半導体発光素子を形成するステップをさらに含み、前記複数の第2半導体発光素子はそれぞれ少なくとも前記第2エピタキシャルユニットを含む、請求項1に記載の制作方法。
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