JP2011187961A - 発光素子 - Google Patents
発光素子 Download PDFInfo
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- JP2011187961A JP2011187961A JP2011050166A JP2011050166A JP2011187961A JP 2011187961 A JP2011187961 A JP 2011187961A JP 2011050166 A JP2011050166 A JP 2011050166A JP 2011050166 A JP2011050166 A JP 2011050166A JP 2011187961 A JP2011187961 A JP 2011187961A
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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
- H10H20/833—Transparent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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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
- H10H20/81—Bodies
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
- H10H20/8162—Current-blocking structures
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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
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/82—Roughened surfaces, e.g. at the interface between epitaxial layers
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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]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting 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
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
- F21Y2113/30—Combination of light sources of visible and non-visible spectrum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Abstract
【解決手段】発光素子100は、第1電極160と、第1電極上に接合層158、反射層157、反射層の上面まわり領域にチャンネル層155、反射層上にオーミック接触層156が形成され、その上に第1半導体層150、活性層140及び第2半導体層130を含む発光構造物145と、発光構造物の上に複数の炭素ナノチューブを含むナノチューブ層135と、第2電極170が形成される。
【選択図】図1
Description
図2乃至図11は、第1実施形態に従う発光素子の製造工程を説明する図面である。
Claims (15)
- 第1半導体層、活性層及び第2半導体層を含む発光構造物と、
前記発光構造物の上に形成され、炭素ナノチューブを含むナノチューブ層と、
前記第1及び第2半導体層のうちで何れか一つの層上に形成された第1電極と、及び
前記第1及び第2半導体のうちで他の一つの層上に形成された第2電極と、
を含む発光素子。 - 前記ナノチューブ層は、10nm乃至10μmの厚さを有することを特徴とする請求項1に記載の発光素子。
- 前記ナノチューブ層は、前記発光構造物上面の少なくとも70%以上の面積に形成されることを特徴とする請求項1に記載の発光素子。
- 前記ナノチューブ層は所定のパターンで形成され、
前記第2電極は前記ナノチューブ層と同一な面積を有することを特徴とする請求項1に記載の発光素子。 - 前記ナノチューブ層は、前記第2電極と前記第2半導体層との間に形成されることを特徴とする請求項4に記載の発光素子。
- 前記第2電極は、前記第2半導体層に接するように形成されることを特徴とする請求項1に記載の発光素子。
- 前記第2電極は所定のパターンで形成され、
前記ナノチューブ層は、前記第2電極周りの前記第2半導体層上に形成されることを特徴とする請求項6に記載の発光素子。 - 前記ナノチューブ層は、前記発光構造物より低い屈折率を有することを特徴とする請求項1に記載の発光素子。
- 前記発光構造物上に凹凸構造、
をさらに含むことを特徴とする請求項1に記載の発光素子。 - 前記ナノチューブ層は、前記凹凸構造に対応する形状を有することを特徴とする請求項9に記載の発光素子。
- 前記第1電極は、伝導性を有する支持部材を含むことを特徴とする請求項1に記載の発光素子。
- 前記第1電極と前記発光構造物との間に反射層及びオーミック接触層のうちで少なくとも一つ、
をさらに含むことを特徴とする請求項1に記載の発光素子。 - 前記少なくとも一つと前記発光構造物との間に前記第2電極と垂直方向に局所的に重畳される電流遮断層、
をさらに含むことを特徴とする請求項12に記載の発光素子。 - 前記反射層と前記発光構造物との間のまわり領域にチャンネル層、
をさらに含むことを特徴とする請求項12に記載の発光素子。 - 前記発光構造物の少なくとも側面上にパッシベーション層、
をさらに含むことを特徴とする請求項1に記載の発光素子。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0020755 | 2010-03-09 | ||
| KR20100020755A KR101047721B1 (ko) | 2010-03-09 | 2010-03-09 | 발광 소자, 발광 소자 제조방법 및 발광 소자 패키지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011187961A true JP2011187961A (ja) | 2011-09-22 |
| JP5911198B2 JP5911198B2 (ja) | 2016-04-27 |
Family
ID=43875651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011050166A Expired - Fee Related JP5911198B2 (ja) | 2010-03-09 | 2011-03-08 | 発光素子 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8963179B2 (ja) |
| EP (1) | EP2365547B1 (ja) |
| JP (1) | JP5911198B2 (ja) |
| KR (1) | KR101047721B1 (ja) |
| CN (1) | CN102194948B (ja) |
| TW (1) | TWI521737B (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013229598A (ja) * | 2012-04-26 | 2013-11-07 | Lg Innotek Co Ltd | 発光素子及び発光素子パッケージ |
| WO2014045883A1 (ja) * | 2012-09-18 | 2014-03-27 | ウシオ電機株式会社 | Led素子及びその製造方法 |
| KR20140047803A (ko) * | 2012-10-15 | 2014-04-23 | 엘지이노텍 주식회사 | 발광 소자 및 발광 소자 패키지 |
| JP2014239171A (ja) * | 2013-06-10 | 2014-12-18 | ソニー株式会社 | 発光素子ウェーハ、発光素子、電子機器及び発光素子ウェーハの製造方法 |
| KR101679502B1 (ko) * | 2015-02-05 | 2016-11-25 | 울산과학기술원 | 나노 구조체가 삽입된 발광다이오드 소자 |
| JP2017005156A (ja) * | 2015-06-12 | 2017-01-05 | ウシオ電機株式会社 | 半導体発光素子及びその製造方法 |
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| JP2012231000A (ja) * | 2011-04-26 | 2012-11-22 | Toshiba Corp | 半導体発光装置 |
| US20140183589A1 (en) * | 2011-08-09 | 2014-07-03 | Samsung Electronics Co., Ltd. | Method for manufacturing a semiconductor light-emitting element and semiconductor light-emitting element manufactured thereby |
| KR101827977B1 (ko) * | 2011-10-31 | 2018-02-13 | 엘지이노텍 주식회사 | 발광 소자 |
| KR101946837B1 (ko) * | 2011-12-26 | 2019-02-13 | 엘지이노텍 주식회사 | 발광 소자 및 이를 구비한 라이트 유닛 |
| KR101286211B1 (ko) * | 2012-02-16 | 2013-07-15 | 고려대학교 산학협력단 | 발광 소자 제조 방법 및 이를 이용하여 제조된 발광 소자 |
| US9000414B2 (en) * | 2012-11-16 | 2015-04-07 | Korea Photonics Technology Institute | Light emitting diode having heterogeneous protrusion structures |
| KR20140096722A (ko) * | 2013-01-29 | 2014-08-06 | 엘지이노텍 주식회사 | 램프 유닛 |
| KR101504331B1 (ko) * | 2013-03-04 | 2015-03-19 | 삼성전자주식회사 | 발광소자 패키지 |
| KR102075574B1 (ko) * | 2013-05-20 | 2020-02-11 | 엘지이노텍 주식회사 | 발광소자, 그 제조방법 및 조명시스템 |
| JP2015012244A (ja) * | 2013-07-01 | 2015-01-19 | 株式会社東芝 | 半導体発光素子 |
| CN103413878A (zh) * | 2013-07-13 | 2013-11-27 | 北京工业大学 | 碳纳米管发光二极管 |
| DE102014110622A1 (de) * | 2014-07-28 | 2016-01-28 | Osram Opto Semiconductors Gmbh | Leiterrahmen für ein strahlungsemittierendes Bauelement, Strahlungsemittierendes Bauelement und Verfahren zur Herstellung eines Leiterrahmens |
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| US9705035B1 (en) | 2015-12-30 | 2017-07-11 | Epistar Corporation | Light emitting device |
| JP6668863B2 (ja) * | 2016-03-22 | 2020-03-18 | 日亜化学工業株式会社 | 発光素子 |
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| KR101446952B1 (ko) | 2008-06-10 | 2014-10-07 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
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2011
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- 2011-02-23 US US13/033,264 patent/US8963179B2/en active Active
- 2011-02-28 EP EP11156265.8A patent/EP2365547B1/en active Active
- 2011-03-02 CN CN201110051726.4A patent/CN102194948B/zh not_active Expired - Fee Related
- 2011-03-08 JP JP2011050166A patent/JP5911198B2/ja not_active Expired - Fee Related
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013229598A (ja) * | 2012-04-26 | 2013-11-07 | Lg Innotek Co Ltd | 発光素子及び発光素子パッケージ |
| WO2014045883A1 (ja) * | 2012-09-18 | 2014-03-27 | ウシオ電機株式会社 | Led素子及びその製造方法 |
| JP2014060294A (ja) * | 2012-09-18 | 2014-04-03 | Ushio Inc | Led素子及びその製造方法 |
| KR20140047803A (ko) * | 2012-10-15 | 2014-04-23 | 엘지이노텍 주식회사 | 발광 소자 및 발광 소자 패키지 |
| KR102042171B1 (ko) | 2012-10-15 | 2019-11-07 | 엘지이노텍 주식회사 | 발광 소자 및 발광 소자 패키지 |
| JP2014239171A (ja) * | 2013-06-10 | 2014-12-18 | ソニー株式会社 | 発光素子ウェーハ、発光素子、電子機器及び発光素子ウェーハの製造方法 |
| KR101679502B1 (ko) * | 2015-02-05 | 2016-11-25 | 울산과학기술원 | 나노 구조체가 삽입된 발광다이오드 소자 |
| JP2017005156A (ja) * | 2015-06-12 | 2017-01-05 | ウシオ電機株式会社 | 半導体発光素子及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2365547A3 (en) | 2014-10-01 |
| US20110220944A1 (en) | 2011-09-15 |
| EP2365547B1 (en) | 2019-04-03 |
| EP2365547A2 (en) | 2011-09-14 |
| CN102194948B (zh) | 2014-12-31 |
| KR101047721B1 (ko) | 2011-07-08 |
| CN102194948A (zh) | 2011-09-21 |
| US20150034988A1 (en) | 2015-02-05 |
| TW201143147A (en) | 2011-12-01 |
| US9312450B2 (en) | 2016-04-12 |
| JP5911198B2 (ja) | 2016-04-27 |
| TWI521737B (zh) | 2016-02-11 |
| US8963179B2 (en) | 2015-02-24 |
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