JP2012104849A - 発光素子、発光素子の製造方法、及び発光素子パッケージ - Google Patents
発光素子、発光素子の製造方法、及び発光素子パッケージ Download PDFInfo
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- JP2012104849A JP2012104849A JP2011290439A JP2011290439A JP2012104849A JP 2012104849 A JP2012104849 A JP 2012104849A JP 2011290439 A JP2011290439 A JP 2011290439A JP 2011290439 A JP2011290439 A JP 2011290439A JP 2012104849 A JP2012104849 A JP 2012104849A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
- H10H20/835—Reflective materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8516—Wavelength conversion means having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer or wavelength conversion layer with a concentration gradient
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/872—Periodic patterns for optical field-shaping, e.g. photonic bandgap structures
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Abstract
【解決手段】発光素子100は、第1導電型半導体層112、第2導電型半導体層116、及び上記第1導電型半導体層と上記第2導電型半導体層との間に活性層114を含む発光構造物110と、上記発光構造物の上の蛍光体層130と、上記蛍光体層の上に形成される光抽出構造140と、を含み、上記光抽出構造は、上記発光構造物の内部で生成されて上記蛍光体層と上記光抽出構造の界面に入射する光を上記発光構造物の外部に抽出することができる。
【選択図】図1
Description
(実施形態)
が、これに対して限定するのではない。
して電気的に連結されたことが例示されている。
Claims (10)
- 発光構造物と、
前記発光構造物の上の蛍光体層と、
前記蛍光体層の上に形成された光抽出パターンと
を備え、
前記光抽出パターンは、前記蛍光体層を部分的に曝露させており、
前記光抽出パターンにより光を抽出する間、前記蛍光体層での発光分布は、水平方向よりは垂直方向に向かう、発光素子。 - 前記光抽出パターンは、周期的なパターン又は非周期的なパターンを有する、請求項1に記載の発光素子。
- 前記光抽出パターンは、酸化物、窒化物、または塩化物のうち、少なくともいずれか1つを含む誘電体を有する、請求項2に記載の発光素子。
- 前記光抽出パターンは、前記蛍光体層と屈折率の異なる物質を含む、請求項3に記載の発光素子。
- 前記光抽出パターンは、前記蛍光体層の上に直接配置されている、請求項4に記載の発光素子。
- 前記光抽出パターンの上に背景物質を更に備え、
前記背景物質と前記光抽出パターンとは互いに屈折率が異なる、請求項5に記載の発光素子。 - 前記光抽出パターンは、前記周期的なパターンを有し、
前記周期的なパターンは50nm乃至3000nmの周期を有する、請求項6に記載の発光素子。 - 前記蛍光体層は、均一な厚さを有する、請求項7に記載の発光素子。
- 前記光抽出パターンは、前記発光構造物の内部で生成されて前記蛍光体層と前記光抽出パターンとの界面に入射する光を前記発光構造物の外部に抽出する、請求項8に記載の発光素子。
- 前記発光構造物は、第1導電型半導体層、第2導電型半導体層、及び前記第1導電型半導体層と前記第2導電型半導体層との間の活性層を備える、請求項1に記載の発光素子。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0013553 | 2010-02-12 | ||
| KR20100013553A KR100969100B1 (ko) | 2010-02-12 | 2010-02-12 | 발광소자, 발광소자의 제조방법 및 발광소자 패키지 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011026732A Division JP4903902B2 (ja) | 2010-02-12 | 2011-02-10 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
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| Publication Number | Publication Date |
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| JP2012104849A true JP2012104849A (ja) | 2012-05-31 |
| JP5330496B2 JP5330496B2 (ja) | 2013-10-30 |
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| JP2011026732A Expired - Fee Related JP4903902B2 (ja) | 2010-02-12 | 2011-02-10 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
| JP2011290440A Expired - Fee Related JP5443464B2 (ja) | 2010-02-12 | 2011-12-29 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
| JP2011290439A Expired - Fee Related JP5330496B2 (ja) | 2010-02-12 | 2011-12-29 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
| JP2011290441A Expired - Fee Related JP5443465B2 (ja) | 2010-02-12 | 2011-12-29 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
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| JP2011026732A Expired - Fee Related JP4903902B2 (ja) | 2010-02-12 | 2011-02-10 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
| JP2011290440A Expired - Fee Related JP5443464B2 (ja) | 2010-02-12 | 2011-12-29 | 発光素子、発光素子の製造方法、及び発光素子パッケージ |
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Country Status (6)
| Country | Link |
|---|---|
| US (3) | US20110198645A1 (ja) |
| EP (1) | EP2360749A3 (ja) |
| JP (4) | JP4903902B2 (ja) |
| KR (1) | KR100969100B1 (ja) |
| CN (1) | CN102163676A (ja) |
| TW (1) | TWI578849B (ja) |
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| JP2013258142A (ja) * | 2012-06-12 | 2013-12-26 | Lg Innotek Co Ltd | 照明装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2012064989A (ja) | 2012-03-29 |
| US20110198645A1 (en) | 2011-08-18 |
| EP2360749A2 (en) | 2011-08-24 |
| JP2012064988A (ja) | 2012-03-29 |
| US8421110B2 (en) | 2013-04-16 |
| JP5443464B2 (ja) | 2014-03-19 |
| US20130228813A1 (en) | 2013-09-05 |
| US20120086036A1 (en) | 2012-04-12 |
| JP5443465B2 (ja) | 2014-03-19 |
| TW201132228A (en) | 2011-09-16 |
| EP2360749A3 (en) | 2014-11-19 |
| JP5330496B2 (ja) | 2013-10-30 |
| JP4903902B2 (ja) | 2012-03-28 |
| JP2011166148A (ja) | 2011-08-25 |
| TWI578849B (zh) | 2017-04-11 |
| CN102163676A (zh) | 2011-08-24 |
| KR100969100B1 (ko) | 2010-07-09 |
| US8710535B2 (en) | 2014-04-29 |
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