JP2016526797A - 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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- 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)
Abstract
Description
Claims (15)
- 実質的に透明な成長基板と、
前記基板上に配設された発光ダイオード(LED)層であり、p型層及びn型層を含むLED層と、
前記p型層及び前記n型層と電気的に接触してpメタルコンタクト及びnメタルコンタクトを形成している1つ以上の金属コンタクト層と、
前記pメタルコンタクト及び前記nメタルコンタクトの上に配設された誘電体ポリマー応力緩和層であり、前記pメタルコンタクトの一部及び前記nメタルコンタクトの一部を露出させる2つ以上の開口を有する応力緩和層と、
前記応力緩和層の上に配設された金属はんだパッドであり、前記応力緩和層内の前記開口を通じて前記pメタルコンタクト及び前記nメタルコンタクトに電気的に接続された金属はんだパッドと、
を有する発光デバイス。 - 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。
- 前記成長基板は、前記LED層が上にエピタキシャル成長された成長面を持ち、前記成長面は、前記LED層を成長させるのに先立ってパターン加工されている、請求項1に記載のデバイス。
- 前記LED層は、前記p型層及び前記n型層のうちの一方を前記pメタルコンタクト又は前記nメタルコンタクトへの電気接続のために露出させるようにエッチングされており、該エッチングはまた、当該デバイスを取り囲むトレンチを作り出しており、前記応力緩和層が該トレンチを少なくとも部分的に充填している、請求項1に記載のデバイス。
- 前記応力緩和層と前記pメタルコンタクト及び前記nメタルコンタクトとの間のパッシベーション層、を更に有する請求項1に記載のデバイス。
- 当該デバイスはフリップチップLEDである、請求項1に記載のデバイス。
- 前記はんだパッド上のはんだバンプ、を更に有する請求項1に記載のデバイス。
- 前記基板はサファイアを有し、前記LEDはGaN系である、請求項1に記載のデバイス。
- 前記1つ以上の金属コンタクト層は、前記p型層及び前記n型層のうちの一方と物理的に接触した金属コンタクト層と、該コンタクト層と前記はんだパッドとの間のインタフェース層とを有する、請求項1に記載のデバイス。
- 前記はんだパッドは複数の金属層を有する、請求項1に記載のデバイス。
- 発光デバイスを製造する方法であって、
実質的に透明な成長基板の上に発光ダイオード(LED)層をエピタキシャル成長させ、前記LED層はp型層及びn型層を含み、
前記p型層及び前記n型層と電気的に接触する1つ以上の金属コンタクト層を堆積及びパターニングして、pメタルコンタクト及びnメタルコンタクトを形成し、
前記pメタルコンタクト及び前記nメタルコンタクトの上に誘電体ポリマー応力緩和層を堆積し、前記応力緩和層は、前記pメタルコンタクトの一部及び前記nメタルコンタクトの一部を露出させる2つ以上の開口を有し、且つ
前記応力緩和層の上に金属はんだパッドを形成し、前記金属はんだパッドは、前記応力緩和層内の前記開口を通じて前記pメタルコンタクト及び前記nメタルコンタクトに電気的に接触する、
ことを有する方法。 - 前記応力緩和層は、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率で膨張するときに変形するよう、弾力性を持つ、請求項12に記載の方法。
- 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12に記載の方法。
- 当該方法は更に、前記p型層及び前記n型層のうちの一方を前記pメタルコンタクト又は前記nメタルコンタクトへの電気接続のために露出させるように、前記LED層をエッチングすることを有し、該エッチングはまた、前記デバイスを取り囲むトレンチを作り出し、前記応力緩和層が該トレンチを少なくとも部分的に充填する、請求項12に記載の方法。
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US201361842431P | 2013-07-03 | 2013-07-03 | |
US61/842,431 | 2013-07-03 | ||
PCT/IB2014/062535 WO2015001446A1 (en) | 2013-07-03 | 2014-06-23 | Led with stress-buffer layer under metallization layer |
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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) |
Cited By (2)
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US11024770B2 (en) | 2017-09-25 | 2021-06-01 | Nichia Corporation | Light emitting element and light emitting device |
JP2023519989A (ja) * | 2020-03-30 | 2023-05-15 | プレッシー・セミコンダクターズ・リミテッド | モノリシック電子デバイス |
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KR102407827B1 (ko) * | 2015-01-27 | 2022-06-13 | 서울바이오시스 주식회사 | 발광 소자 |
US9543488B2 (en) | 2014-06-23 | 2017-01-10 | Seoul Viosys Co., Ltd. | Light emitting device |
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 |
DE102017104144B9 (de) | 2017-02-28 | 2022-03-10 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung von Leuchtdioden |
TWI647835B (zh) | 2017-07-05 | 2019-01-11 | 英屬開曼群島商錼創科技股份有限公司 | 顯示面板 |
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WO2015001446A1 (en) | 2015-01-08 |
CN105340089B (zh) | 2021-03-12 |
EP3017483A1 (en) | 2016-05-11 |
TW201511367A (zh) | 2015-03-16 |
JP2019062224A (ja) | 2019-04-18 |
TWI629808B (zh) | 2018-07-11 |
US20160329468A1 (en) | 2016-11-10 |
EP3017483B1 (en) | 2020-05-06 |
US9640729B2 (en) | 2017-05-02 |
JP6745323B2 (ja) | 2020-08-26 |
CN105340089A (zh) | 2016-02-17 |
KR102235020B1 (ko) | 2021-04-02 |
US10050180B2 (en) | 2018-08-14 |
US20170358715A1 (en) | 2017-12-14 |
KR20160029104A (ko) | 2016-03-14 |
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