KR100812319B1 - 반도체 발광소자 - Google Patents
반도체 발광소자 Download PDFInfo
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- KR100812319B1 KR100812319B1 KR1020060017047A KR20060017047A KR100812319B1 KR 100812319 B1 KR100812319 B1 KR 100812319B1 KR 1020060017047 A KR1020060017047 A KR 1020060017047A KR 20060017047 A KR20060017047 A KR 20060017047A KR 100812319 B1 KR100812319 B1 KR 100812319B1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
- A61H33/063—Heaters specifically designed therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
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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
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
- A61H2033/061—Artificial hot-air baths
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0165—Damping, vibration related features
- A61H2201/0169—Noise reduction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
- A61H2201/0221—Mechanism for heating or cooling
- A61H2201/0228—Mechanism for heating or cooling heated by an electric resistance element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2004—Confining in the direction perpendicular to the layer structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2004—Confining in the direction perpendicular to the layer structure
- H01S5/2009—Confining in the direction perpendicular to the layer structure by using electron barrier layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nanotechnology (AREA)
- Geometry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Crystallography & Structural Chemistry (AREA)
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- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (12)
- 적어도 2개의 웰층을 포함하는 다중 양자우물 구조의 활성층을 가지는 질화물계 III-V족 화합물 반도체를 사용한 반도체 발광소자로서,상기 적어도 2개의 웰층은 적어도 2개의 InGaN웰층을 포함하고, 발광시에 있어서의 소자의 전체 도파광 중, 상기 적어도 2개의 InGaN웰층에 있는 빛의 비율을 나타내는 광 구속 계수(%)를 1.5 ∼ 3.0 이하로 설정한 것을 특징으로 하는 반도체 발광소자.
- 제 1항에 있어서,상기 광 구속 계수를 1.5 이상, 2.7 이하로 설정한 것을 특징으로 하는 반도체 발광소자.
- 제 1 항 또는 제 2 항에 있어서,상기 활성층의 하층에 설치되는 제1의 도전형의 제1의 클래드층과,상기 활성층의 상층에 설치되는 제2의 도전형의 제2의 클래드층을 구비하고,상기 제1 및 제2의 클래드층 중 한쪽의 굴절율을 다른 쪽의 클래드층의 굴절율보다도 높게 함으로써, 발광시에 있어서의 소자의 광출력의 피크위치를 활성층으로부터 한쪽의 클래드층의 방향으로 이동시키는 것을 특징으로 하는 반도체 발광소자.
- 질화물계 III-V족 화합물 반도체를 사용한 반도체 발광소자로서,적어도 2개의 웰층을 포함하는 다중 양자우물 구조의 활성층을 가지고,상기 적어도 2개의 웰층에 있는 빛의 비율을 나타내는 광 구속 계수(%)를 1.5 ∼ 3.0 이하로 설정한 것을 특징으로 하는 반도체 발광소자.
- 제 4 항에 있어서,상기 적어도 2개의 웰층은 적어도 2개의 InGaN웰층을 포함하는 것을 특징으로 하는 반도체 발광소자.
- 제 1 항, 제 2 항, 제 4 항 또는 제 5 항 중 어느 한 항에 있어서,상기 활성층은 기판의 위쪽에 형성되고,상기 반도체 발광소자는,상기 활성층의 하층에 설치되는 제1의 도전형의 제1클래드층과,상기 활성층의 상층에 설치되는 제2의 도전형의 제2클래드층을 구비하고,제1클래드층의 굴절율을 제2클래드층의 굴절율보다도 크게 한 것을 특징으로 하는 반도체 발광소자.
- 제 1 항에 있어서,상기 활성층의 하층에 설치되는 제1의 도전형의 제1클래드층 및 상기 활성층의 상층에 설치되는 제2의 도전형의 제2클래드층이 모두, 적어도 하나의 AlxGa1-xN층(0<X≤1)을 포함하는 것을 특징으로 하는 반도체 발광소자.
- 제 7 항에 있어서,상기 제1클래드층에 포함되는 적어도 하나의 AlxGa1-XN층의 Al조성비가 0.005 ∼ 0.08 이하인 것을 특징으로 하는 반도체 발광소자.
- 제 7 항에 있어서,상기 제1클래드층에 포함되는 적어도 하나의 AlxGa1-XN층의 Al조성비가 0.005 ∼ 0.06 이하인 것을 특징으로 하는 반도체 발광소자.
- 제 7 항에 있어서,상기 제1클래드층에 포함되는 적어도 하나의 AlxGa1-XN층의 Al조성비가 0.005 ∼ 0.04 이하인 것을 특징으로 하는 반도체 발광소자.
- 제 1 항 또는 제 2 항에 있어서,상기 활성층의 하층에 설치되는 제1의 도전형의 제1의 AlGaN클래드층과,상기 활성층의 상층에 설치되는 제2의 도전형의 제2의 AlGaN클래드층을 구비하고,상기 제1 및 제2의 AlGaN클래드층 중 적어도 한쪽의 클래드층의 Al조성비를 0.005 ∼ 0.03 이하로 설정한 것을 특징으로 하는 반도체 발광소자.
- 제 11 항에 있어서,상기 제1 및 제2의 AlGaN클래드층 양쪽의 Al조성비를 0.005 ∼ 0.03 이하로 설정한 것을 특징으로 하는 반도체 발광소자.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2005051279 | 2005-02-25 | ||
JPJP-P-2005-00051279 | 2005-02-25 | ||
JPJP-P-2005-00253412 | 2005-09-01 | ||
JP2005253412A JP2006270028A (ja) | 2005-02-25 | 2005-09-01 | 半導体発光素子 |
Publications (2)
Publication Number | Publication Date |
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KR20060094882A KR20060094882A (ko) | 2006-08-30 |
KR100812319B1 true KR100812319B1 (ko) | 2008-03-10 |
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KR1020060017047A KR100812319B1 (ko) | 2005-02-25 | 2006-02-22 | 반도체 발광소자 |
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US (1) | US7756177B2 (ko) |
JP (2) | JP2006270028A (ko) |
KR (1) | KR100812319B1 (ko) |
CN (1) | CN100539334C (ko) |
TW (1) | TWI418106B (ko) |
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US20060193359A1 (en) | 2006-08-31 |
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