KR100644052B1 - 고 광적출 효율 발광 다이오드 및 그의 제조 방법 - Google Patents
고 광적출 효율 발광 다이오드 및 그의 제조 방법 Download PDFInfo
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- KR100644052B1 KR100644052B1 KR1020040090205A KR20040090205A KR100644052B1 KR 100644052 B1 KR100644052 B1 KR 100644052B1 KR 1020040090205 A KR1020040090205 A KR 1020040090205A KR 20040090205 A KR20040090205 A KR 20040090205A KR 100644052 B1 KR100644052 B1 KR 100644052B1
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- light emitting
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- emitting diode
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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
- H10H20/036—Manufacture or treatment of packages
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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
- H10H20/036—Manufacture or treatment of packages
- H10H20/0363—Manufacture or treatment of packages of optical field-shaping 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
- H10H20/81—Bodies
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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
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
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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
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement 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
- H10H20/815—Bodies having stress relaxation structures, e.g. buffer 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
- H10H20/81—Bodies
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or 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
- H10H20/83—Electrodes
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Abstract
Description
| 구분 | 종래 | 본 발명 |
| 광 적출효율 | 25.3% | 65.5% |
| 렌즈 직경(㎛) | 피치(㎛) | 렌즈 높이(㎛) | 광 적출 효율(%) |
| 3 | 6 | 1 | 57 |
| 4 | 8 | 1 | 65.5 |
| 5 | 10 | 1 | 58.5 |
| 7 | 14 | 1 | 56.7 |
| 10 | 20 | 1 | 48.5 |
| 피라미드 폭(㎛) | 경사도(°) | 피라미드 높이(㎛) | 광 적출 효율(%) |
| 3 | 45 | 1 | 61.1 |
| 3 | 65 | 1 | 58.2 |
| 3 | 80 | 1 | 46.4 |
| 4 | 45 | 1 | 60.1 |
| 5 | 45 | 1 | 54.6 |
| 7 | 45 | 1 | 52.4 |
| 10 | 45 | 1 | 46.7 |
Claims (10)
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- 삭제
- 삭제
- 사파이어 기판 상부면으로부터 돌출된 패턴을 형성하는 제 1 단계와;상기 돌출된 패턴이 형성된 사파이어 기판의 상부면에 반도체 버퍼층, N타입 반도체층, 양자 우물층과 P타입 반도체층을 순차적으로 형성하는 제 2 단계와;상기 P타입 반도체층에서 N타입 반도체층까지 메사(Mesa)식각하는 제 3 단계와;상기 P타입 반도체층 상부에 전류 확산층(Current Spreading Layer)을 형성한 후, 상기 노출된 N타입 반도체층 상부에 N타입 금속전극을 형성하고, 상기 전류 확산층 상부에 P타입 금속전극을 형성하는 제 4 단계와;상기 사파이어 기판 하부면으로부터 돌출된 패턴을 형성하는 제 5 단계를 포함하여 구성되며,상기 제 1 단계 또는 제 5 단계는,사파이어 기판 상부 또는 하부면에 포토레지스트 패턴을 형성하는 단계와;상기 포토레지스트 패턴을 리플로우(Reflow)시켜, 볼록렌즈 형상으로 만드는 단계와;상기 볼록렌즈 형상의 포토레지스트 패턴을 마스크로 하여 사파이어 기판을 식각하여, 상기 사파이어 기판 상부 또는 하부면에 볼록렌즈 형상의 사파이어 패턴을 만드는 단계로 이루어진 것을 특징으로 하는 고 광적출 효율 발광 다이오드의 제조방법.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040090205A KR100644052B1 (ko) | 2004-11-08 | 2004-11-08 | 고 광적출 효율 발광 다이오드 및 그의 제조 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040090205A KR100644052B1 (ko) | 2004-11-08 | 2004-11-08 | 고 광적출 효율 발광 다이오드 및 그의 제조 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20060040923A KR20060040923A (ko) | 2006-05-11 |
| KR100644052B1 true KR100644052B1 (ko) | 2006-11-10 |
Family
ID=37147697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020040090205A Expired - Fee Related KR100644052B1 (ko) | 2004-11-08 | 2004-11-08 | 고 광적출 효율 발광 다이오드 및 그의 제조 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100644052B1 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100774214B1 (ko) * | 2006-08-30 | 2007-11-08 | 엘지전자 주식회사 | 질화물계 발광 소자 및 그 제조방법 |
| KR100710087B1 (ko) * | 2006-11-24 | 2007-04-20 | (주)에피플러스 | 발광 다이오드의 형성방법 |
| KR100990226B1 (ko) * | 2007-11-21 | 2010-10-29 | 우리엘에스티 주식회사 | 3차원 구조의 전방향 반사경을 구비한 질화물계 발광소자및 그 제조방법 |
| KR101064036B1 (ko) | 2010-06-01 | 2011-09-08 | 엘지이노텍 주식회사 | 발광 소자 패키지 및 조명 시스템 |
| KR20130009399A (ko) * | 2011-07-15 | 2013-01-23 | 포항공과대학교 산학협력단 | 발광다이오드용 기판의 제조방법, 이에 의해 제조된 발광다이오드용 기판 및 이 발광다이오드용 기판을 구비한 발광다이오드의 제조방법 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990051078A (ko) * | 1997-12-19 | 1999-07-05 | 정선종 | 고 휘도와 고 선명도를 가지는 전계발광 소자의 제조방법 |
| KR20010083571A (ko) * | 2000-02-16 | 2001-09-01 | 구자홍 | 질화물 반도체막 성장 방법 |
| KR20030093265A (ko) * | 2001-03-21 | 2003-12-06 | 미츠비시 덴센 고교 가부시키가이샤 | 반도체 발광 소자 |
| KR20040019352A (ko) * | 2001-07-24 | 2004-03-05 | 니치아 카가쿠 고교 가부시키가이샤 | 요철형성 기판을 갖춘 반도체발광소자 |
| KR20040087122A (ko) * | 2003-04-04 | 2004-10-13 | 삼성전기주식회사 | 질화 갈륨계 반도체 led 소자 |
-
2004
- 2004-11-08 KR KR1020040090205A patent/KR100644052B1/ko not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990051078A (ko) * | 1997-12-19 | 1999-07-05 | 정선종 | 고 휘도와 고 선명도를 가지는 전계발광 소자의 제조방법 |
| KR20010083571A (ko) * | 2000-02-16 | 2001-09-01 | 구자홍 | 질화물 반도체막 성장 방법 |
| KR20030093265A (ko) * | 2001-03-21 | 2003-12-06 | 미츠비시 덴센 고교 가부시키가이샤 | 반도체 발광 소자 |
| KR20040019352A (ko) * | 2001-07-24 | 2004-03-05 | 니치아 카가쿠 고교 가부시키가이샤 | 요철형성 기판을 갖춘 반도체발광소자 |
| KR20040087122A (ko) * | 2003-04-04 | 2004-10-13 | 삼성전기주식회사 | 질화 갈륨계 반도체 led 소자 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060040923A (ko) | 2006-05-11 |
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St.27 status event code: A-4-4-P10-P22-nap-X000 |
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| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
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| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |