JPWO2014122888A1 - 発光モジュール - Google Patents
発光モジュール Download PDFInfo
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- JPWO2014122888A1 JPWO2014122888A1 JP2014560666A JP2014560666A JPWO2014122888A1 JP WO2014122888 A1 JPWO2014122888 A1 JP WO2014122888A1 JP 2014560666 A JP2014560666 A JP 2014560666A JP 2014560666 A JP2014560666 A JP 2014560666A JP WO2014122888 A1 JPWO2014122888 A1 JP WO2014122888A1
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- H—ELECTRICITY
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- 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
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- 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
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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
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- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
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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
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
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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
- H01L33/58—Optical field-shaping elements
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Abstract
Description
[発光モジュール]
図1は、第1の実施の形態に係る発光モジュール10の概略断面図である。図1に示す発光モジュール10は、第1の色の光を発する半導体発光素子12と、半導体発光素子が発する第1の色の光(例えば青色光)の少なくとも一部を波長変換して、第1の色の光と異なり補色関係にある第2の色の光(例えば黄色光)を発する波長変換層14と、第1の色の光および第2の色の光の少なくとも一方の光を拡散する拡散層16と、を備える。拡散層16は、マトリックス16aとマトリックスに分散されている拡散材16bとを有する。波長変換層14は、例えば、波長変換物質である蛍光体を含む。
次に、半導体発光素子の構造について説明する。図2(a)は、図1の半導体発光素子12の概略断面図、図2(b)は半導体発光素子12の概略平面図である。透光性の基板30上に、第1導電型半導体層32、発光層34、第2導電型半導体層36がこの順に積層されている。第2導電型半導体層36、発光層34、および第1導電型半導体層32の一部がエッチングにより除去されて露出した第1導電型半導体層32の表面に、第1電極40が形成される。また、第2導電型半導体層36には第2電極38が形成される。このように、半導体発光素子12は、透明な基板30の上に形成されている発光層34と、バンプと電気的に接続され、発光層34を貫通するように形成されている第1電極40と、を有している。
第1の実施の形態に係る拡散層16は、波長変換層14の出射面側に配置されている。第2の実施の形態に係る発光モジュールでは、拡散層16を波長変換層14の入射面側に配置している。また、必要に応じて、波長変換層14の入射面と拡散層16との間に接着層26が設けられている。
以下、上述の各実施の形態に係る発光モジュールの実施例について、比較例とともに説明する。
Claims (6)
- 第1の色の光を発する半導体発光素子と、
前記第1の色の光の少なくとも一部を波長変換して、第2の色の光を発する波長変換層と、
前記第1の色の光および前記第2の色の光の少なくとも一方の光を拡散する拡散層と、を備え、
前記拡散層は、マトリックスと該マトリックスに分散されている拡散材とを有し、
前記波長変換層は、波長変換物質を含み、
前記波長変換層の屈折率と前記マトリックスの屈折率との差が0.3以下であり、
前記マトリックスの屈折率と前記拡散材の屈折率との差が0.05以上である、
ことを特徴とする発光モジュール。 - 前記拡散層と前記波長変換層とを接着する接着層を更に備え、
前記接着層は、厚みが1.0[μm]以下である、
ことを特徴とする請求項1に記載の発光モジュール。 - 前記半導体発光素子は、青色の光を発し、
前記青色の光のピーク波長をλp[μm]とすると、前記接着層の厚みt[μm]は、(1/8)λp<t<(3/8)λpを満たすことを特徴とする請求項2に記載の発光モジュール。 - 前記波長変換層は、賦活成分を有する板状のYAGセラミックであり、
前記マトリックスは、板状のYAGセラミックであることを特徴とする請求項1乃至3のいずれか1項に記載の発光モジュール。 - 前記波長変換層は、前記半導体発光素子と前記拡散層との間に配置されていることを特徴とする請求項1乃至4のいずれか1項に記載の発光モジュール。
- 前記半導体発光素子は、
搭載基板に対してバンプを介してフリップチップ実装されており、
透明な基板の上に形成されている発光層と、
前記バンプと電気的に接続され、前記発光層を貫通するように形成されている電極と、
を有することを特徴とする請求項1乃至5のいずれか1項に記載の発光モジュール。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013021789 | 2013-02-06 | ||
JP2013021789 | 2013-02-06 | ||
PCT/JP2014/000218 WO2014122888A1 (ja) | 2013-02-06 | 2014-01-17 | 発光モジュール |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2014122888A1 true JPWO2014122888A1 (ja) | 2017-01-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP2014560666A Pending JPWO2014122888A1 (ja) | 2013-02-06 | 2014-01-17 | 発光モジュール |
Country Status (6)
Country | Link |
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US (1) | US20150340565A1 (ja) |
EP (1) | EP2955764A4 (ja) |
JP (1) | JPWO2014122888A1 (ja) |
KR (1) | KR20150113183A (ja) |
CN (1) | CN104981915A (ja) |
WO (1) | WO2014122888A1 (ja) |
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KR101691818B1 (ko) * | 2014-06-19 | 2017-01-03 | 삼성디스플레이 주식회사 | 광원모듈 및 이를 포함하는 백라이트 유닛 |
CN106605307B (zh) * | 2014-09-02 | 2020-08-11 | 亮锐控股有限公司 | 光源 |
JP2016102999A (ja) * | 2014-11-14 | 2016-06-02 | 富士フイルム株式会社 | 波長変換部材及びそれを備えたバックライトユニット、液晶表示装置 |
WO2016075949A1 (ja) * | 2014-11-14 | 2016-05-19 | 富士フイルム株式会社 | 波長変換部材及びそれを備えたバックライトユニット、液晶表示装置 |
US20160225962A1 (en) * | 2015-01-30 | 2016-08-04 | Empire Technology Development Llc | Nanoparticle gradient refractive index encapsulants for semi-conductor diodes |
CN105485573B (zh) * | 2015-12-31 | 2019-02-15 | 广东晶科电子股份有限公司 | 一种高色域直下式led背光模组 |
JP2018186165A (ja) * | 2017-04-25 | 2018-11-22 | 株式会社ディスコ | 発光ダイオードチップの製造方法及び発光ダイオードチップ |
US10749086B2 (en) * | 2017-07-21 | 2020-08-18 | Maven Optronics Co., Ltd. | Asymmetrically shaped light-emitting device, backlight module using the same, and method for manufacturing the same |
CN107611232B (zh) * | 2017-08-21 | 2019-02-05 | 天津三安光电有限公司 | 发光二极管及其制作方法 |
JP6848997B2 (ja) * | 2018-04-11 | 2021-03-24 | 日亜化学工業株式会社 | 発光装置 |
TWI685988B (zh) * | 2018-06-01 | 2020-02-21 | 宏齊科技股份有限公司 | 手持式電子裝置及其色溫可調控的倒裝式發光元件 |
JP6669292B2 (ja) * | 2019-02-28 | 2020-03-18 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP6849139B1 (ja) * | 2019-08-02 | 2021-03-24 | 日亜化学工業株式会社 | 発光装置および面発光光源 |
WO2022070877A1 (ja) * | 2020-09-30 | 2022-04-07 | 東レ株式会社 | 色変換シートならびにそれを含む光源ユニット、ディスプレイおよび照明装置 |
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- 2014-01-17 JP JP2014560666A patent/JPWO2014122888A1/ja active Pending
- 2014-01-17 EP EP14748954.6A patent/EP2955764A4/en not_active Withdrawn
- 2014-01-17 CN CN201480007775.XA patent/CN104981915A/zh active Pending
- 2014-01-17 KR KR1020157023829A patent/KR20150113183A/ko not_active Application Discontinuation
- 2014-01-17 WO PCT/JP2014/000218 patent/WO2014122888A1/ja active Application Filing
-
2015
- 2015-08-05 US US14/818,676 patent/US20150340565A1/en not_active Abandoned
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JP2000022222A (ja) * | 1998-07-07 | 2000-01-21 | Stanley Electric Co Ltd | 発光ダイオード |
JP2007335798A (ja) * | 2006-06-19 | 2007-12-27 | Toyoda Gosei Co Ltd | 発光装置 |
JP2012533175A (ja) * | 2009-07-10 | 2012-12-20 | クリー インコーポレイテッド | 蛍光体ホスト材料を含む拡散粒子を有する照明構造体 |
WO2011097137A1 (en) * | 2010-02-04 | 2011-08-11 | Nitto Denko Corporation | Light emissive ceramic laminate and method of making same |
JP2012028666A (ja) * | 2010-07-27 | 2012-02-09 | Nitto Denko Corp | 発光装置用部品、発光装置およびその製造方法 |
JP2013016588A (ja) * | 2011-07-01 | 2013-01-24 | Citizen Electronics Co Ltd | Led発光装置 |
Also Published As
Publication number | Publication date |
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CN104981915A (zh) | 2015-10-14 |
EP2955764A1 (en) | 2015-12-16 |
WO2014122888A1 (ja) | 2014-08-14 |
US20150340565A1 (en) | 2015-11-26 |
EP2955764A4 (en) | 2016-10-05 |
KR20150113183A (ko) | 2015-10-07 |
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