JP6745323B2 - メタライゼーション層の下に応力緩和層を有するled - Google Patents
メタライゼーション層の下に応力緩和層を有するled Download PDFInfo
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- JP6745323B2 JP6745323B2 JP2018229848A JP2018229848A JP6745323B2 JP 6745323 B2 JP6745323 B2 JP 6745323B2 JP 2018229848 A JP2018229848 A JP 2018229848A JP 2018229848 A JP2018229848 A JP 2018229848A JP 6745323 B2 JP6745323 B2 JP 6745323B2
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- 238000000605 extraction Methods 0.000 description 6
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- 238000004544 sputter deposition Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000005240 physical vapour deposition Methods 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
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- 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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
-
- 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
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
-
- 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
- H01L33/0093—Wafer bonding; Removal of the growth substrate
-
- 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
- H01L33/48—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 semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- 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
- H01L33/48—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 semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0016—Processes relating to electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0025—Processes relating to coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0066—Processes relating to semiconductor body packages relating to arrangements for conducting electric current to or from the semiconductor body
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Description
Claims (13)
- p型層、活性層、及びn型層を、該活性層が該p型層と該n型層との間にあるように有する発光構造と、
前記n型層を露出させる、前記p型層及び前記活性層の中のエッチング部であり、当該エッチング部は、前記発光構造の中心部内にある1つ以上の開口と、前記発光構造を取り囲むトレンチとを有する、エッチング部と、
前記発光構造上の誘電体層と、
前記p型層に電気的に結合された、前記誘電体層上の第1の非平坦な金属層と、
前記1つ以上の開口内及び前記トレンチ内で前記n型層に電気的に結合された、前記誘電体層上の第2の非平坦な金属層と、
誘電体ポリマーを有する応力緩和層であり、該応力緩和層は、前記第1の金属層上及び前記第2の金属層上にあり、且つ、前記トレンチを少なくとも部分的に充填するように構成されている、応力緩和層と、
前記応力緩和層上の複数の金属はんだパッドであり、該金属はんだパッドの各々が、前記第1の金属層及び前記第2の金属層のうちの一方に電気的に接続されている、金属はんだパッドと、
を有するデバイス。 - 前記応力緩和層は、弾力性を持ち、熱が与えられて前記金属はんだパッドがその下に位置する材料とは異なる熱膨張率で膨張するときに変形する、請求項1に記載のデバイス。
- 前記応力緩和層はベンゾシクロブテン(BCB)を有する、請求項1に記載のデバイス。
- 前記応力緩和層は、1−3μmの厚さを有する、請求項1に記載のデバイス。
- 当該デバイスは更に、前記p型層と電気的に接触した金属コンタクト層を有し、
前記誘電体層は、前記金属コンタクト層を露出させる第1の開口と、前記エッチング部の前記1つ以上の開口及び前記トレンチとアライメントされて前記n型層を露出させる1つ以上の第2の開口及びトレンチとを含み、
前記第1の非平坦な金属層は、前記誘電体層内の前記第1の開口を通じて前記金属コンタクト層に結合され、
前記第2の非平坦な金属層は、前記誘電体層内の前記トレンチ及び前記1つ以上の第2の開口を通じて前記n型層に結合されている、
請求項1に記載のデバイス。 - 前記応力緩和層と前記金属コンタクト層との間のパッシベーション層、を更に有する請求項5に記載のデバイス。
- 前記金属コンタクト層は、前記p型層に結合されたコンタクトサブレイヤと、該コンタクトサブレイヤと前記はんだパッドとの間のインタフェースサブレイヤとを含む、請求項5に記載のデバイス。
- p型層、活性層、及びn型層を、該活性層が該p型層と該n型層との間にあるように有する発光構造と、
前記n型層を露出させる、前記p型層及び前記活性層の中のエッチング部であり、当該エッチング部は、前記発光構造の中心部内にある開口と、前記発光構造を取り囲むトレンチとを有する、エッチング部と、
前記p型層と電気的に接触した金属コンタクト層と、
前記金属コンタクト層上の誘電体層であり、前記金属コンタクト層を露出させる第1の開口と、前記エッチング部の前記開口及び前記トレンチとアライメントされて前記n型層を露出させる第2の開口及びトレンチと、を有する誘電体層と、
前記誘電体層内の前記第1の開口を通じて前記金属コンタクト層と接触した第1の非平坦な金属層と、
前記誘電体層内の前記トレンチ及び前記第2の開口を通じて前記n型層と接触した第2の非平坦な金属層と、
誘電体ポリマーを有する応力緩和層であり、該応力緩和層は、前記第1の金属層上及び前記第2の金属層上にあり、且つ、前記トレンチを少なくとも部分的に充填するように構成されている、応力緩和層と、
前記応力緩和層上の複数の金属はんだパッドであり、該金属はんだパッドの各々が、前記第1の金属層及び前記第2の金属層のうちの一方に電気的に接続されている、金属はんだパッドと、
を有するデバイス。 - 前記応力緩和層は、弾力性を持ち、熱が与えられて前記金属はんだパッドがその下に位置する材料とは異なる熱膨張率で膨張するときに変形する、請求項8に記載のデバイス。
- 前記応力緩和層はベンゾシクロブテン(BCB)を有する、請求項8に記載のデバイス。
- 前記応力緩和層は、1−3μmの厚さを有する、請求項8に記載のデバイス。
- 前記応力緩和層と前記金属コンタクト層との間のパッシベーション層、を更に有する請求項8に記載のデバイス。
- 前記金属コンタクト層は、前記p型層に結合されたコンタクトサブレイヤと、該コンタクトサブレイヤと前記はんだパッドとの間のインタフェースサブレイヤとを含む、請求項8に記載のデバイス。
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US201361842431P | 2013-07-03 | 2013-07-03 | |
US61/842,431 | 2013-07-03 |
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JP2018229848A Active JP6745323B2 (ja) | 2013-07-03 | 2018-12-07 | メタライゼーション層の下に応力緩和層を有するled |
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US (2) | US9640729B2 (ja) |
EP (1) | EP3017483B1 (ja) |
JP (2) | JP2016526797A (ja) |
KR (1) | KR102235020B1 (ja) |
CN (1) | CN105340089B (ja) |
TW (1) | TWI629808B (ja) |
WO (1) | WO2015001446A1 (ja) |
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KR102323536B1 (ko) * | 2015-01-19 | 2021-11-09 | 서울바이오시스 주식회사 | 발광 소자 |
KR102347487B1 (ko) * | 2015-03-16 | 2022-01-07 | 서울바이오시스 주식회사 | 금속 벌크를 포함하는 발광 소자 |
TWI772253B (zh) | 2015-11-13 | 2022-08-01 | 晶元光電股份有限公司 | 發光元件 |
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