JP2016524344A - 波長変換式半導体発光デバイス - Google Patents
波長変換式半導体発光デバイス Download PDFInfo
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- 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
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Abstract
Description
Claims (17)
- n型領域とp型領域との間に配置された発光層を有する半導体構造と、
前記発光層によって発せられる光の経路内に配置された第1の波長変換層であり、波長変換セラミックを有する第1の波長変換層と、
前記第1の波長変換層に融着された第2の波長変換層であり、ガラス内に置かれた波長変換材料を有する第2の波長変換層と、
を有する発光デバイス。 - 前記第1の波長変換層は赤色光を発し、前記第2の波長変換層は緑色光を発する、請求項1に記載の発光デバイス。
- 前記第1の波長変換層は、前記第2の波長変換層と前記半導体構造との間に配置されている、請求項1に記載の発光デバイス。
- 前記第1の波長変換層及び前記第2の波長変換層は、傾斜した側壁を有する、請求項1に記載の発光デバイス。
- 前記第1の波長変換層及び前記第2の波長変換層は、波長変換部材を形成し、
前記波長変換部材の第1の部分は、実質的に垂直な側壁を有し、且つ
前記波長変換部材の第2の部分は、傾斜した側壁を有する、
請求項1に記載の発光デバイス。 - 当該発光デバイスは更に反射材料を有し、
前記反射材料は、前記第1の波長変換層の側壁、前記第2の波長変換層の側壁、及び前記半導体構造の側壁の各々に隣接して配置されている、請求項1に記載の発光デバイス。 - 波長変換素子を形成することであり、当該形成することは、
波長変換セラミックである第1の波長変換層を形成すること、及び
第2の波長変換層を前記第1の波長変換層に融着すること
を有する、形成することと、
前記波長変換素子を複数のプレートレットへとダイシングすることと、
前記ダイシングの後に、プレートレットを半導体発光デバイスに取り付けることと、
を有する方法。 - 前記第1の波長変換層を形成することは、蛍光体をウェハへと焼結することを有する、請求項7に記載の方法。
- 前記第2の波長変換層を前記第1の波長変換層に融着することは、
波長変換材料をガラスと混合し、
混合物をローラでシートへと延ばし、
前記第1の波長変換層に形状が合うように前記シートを切断し、且つ
前記切断されたシートを前記第1の波長変換層に融着する
ことを有する、請求項7に記載の方法。 - 前記切断されたシートを融着することは、前記切断されたシート及び前記第1の波長変換層を、前記ガラスのリフロー温度よりも高い温度まで加熱することを有する、請求項9に記載の方法。
- 前記第2の波長変換層を前記第1の波長変換層に融着することは、
波長変換材料をガラスと混合し、
混合物を前記第1の波長変換層上に置き、
実質的に均一な厚さの層を形成するように前記混合物を広げる
ことを有する、請求項7に記載の方法。 - 前記第2の波長変換層を前記第1の波長変換層に融着することに先立って、前記第1の波長変換層を薄化すること、を更に有する請求項7に記載の方法。
- 前記第2の波長変換層を前記第1の波長変換層に融着することの後に、前記第2の波長変換層を薄化すること、を更に有する請求項7に記載の方法。
- 複数の半導体発光デバイスをマウントに取り付けることと、
前記複数のうちの各半導体発光デバイスにプレートレットを取り付けることと、
前記複数のうちの隣接する半導体発光デバイス間に反射材料を配設することと、
を更に有する請求項7に記載の方法。 - 前記隣接する半導体発光デバイス間に前記反射材料を配設することの後に、前記反射材料を薄化すること、を更に有する請求項14に記載の方法。
- 前記波長変換素子を前記複数のプレートレットへとダイシングすることは、傾斜した側壁を各プレートレットに形成することを有する、請求項7に記載の方法。
- 前記波長変換素子を前記複数のプレートレットへとダイシングすることは、
各プレートレットの第1の部分に、前記プレートレットの頂面に対して第1の角度を持つ側壁を形成し、且つ
各プレートレットの第2の部分に、前記プレートレットの頂面に対して第2の角度を持つ側壁を形成する
ことを有し、
前記第1の角度は前記第2の角度と異なる、
請求項7に記載の方法。
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WO2013058065A1 (ja) * | 2011-10-18 | 2013-04-25 | 株式会社村田製作所 | 発光素子、その製造方法、及び発光デバイス |
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CN111509112A (zh) | 2020-08-07 |
US20180033923A1 (en) | 2018-02-01 |
US10270013B2 (en) | 2019-04-23 |
CN105493301A (zh) | 2016-04-13 |
JP7068771B2 (ja) | 2022-05-17 |
JP7316947B2 (ja) | 2023-07-28 |
WO2015004577A1 (en) | 2015-01-15 |
US10790417B2 (en) | 2020-09-29 |
KR102180388B1 (ko) | 2020-11-19 |
US20190252580A1 (en) | 2019-08-15 |
US20160163931A1 (en) | 2016-06-09 |
EP3020076A1 (en) | 2016-05-18 |
CN111509112B (zh) | 2024-04-02 |
KR20160032147A (ko) | 2016-03-23 |
US9761768B2 (en) | 2017-09-12 |
JP2020074419A (ja) | 2020-05-14 |
EP3020076B1 (en) | 2017-09-06 |
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