KR102001497B1 - 하이퍼볼라형 리플렉터를 이용한 매트릭스 led 헤드램프 - Google Patents
하이퍼볼라형 리플렉터를 이용한 매트릭스 led 헤드램프 Download PDFInfo
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- KR102001497B1 KR102001497B1 KR1020120151703A KR20120151703A KR102001497B1 KR 102001497 B1 KR102001497 B1 KR 102001497B1 KR 1020120151703 A KR1020120151703 A KR 1020120151703A KR 20120151703 A KR20120151703 A KR 20120151703A KR 102001497 B1 KR102001497 B1 KR 102001497B1
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- led
- hyperbola
- reflector
- matrix
- matrix led
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/39—Attachment thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
도 2는 눈부심 방지를 위하여 매트릭스 LED 헤드램프를 이용한 빔 패턴을 나타낸 도면이고,
도 3은 매트릭스 LED를 나타낸 도면이고,
도 4는 본 발명에 따른 하이퍼볼라형 리플렉터를 이용한 매트릭스 LED 헤드램프의 광 조사를 나타낸 도면이고,
도 5는 하이퍼볼라 광학계의 개념을 나타낸 도면이고,
도 6은 본 발명에 따른 하이퍼볼라형 리플렉터를 이용한 매트릭스 LED 헤드램프의 매트릭스 LED의 위치를 조절에 따른 광의 조사 형상을 나타낸 도면이다.
2a : 파라볼라형 반사판 2b : 이립티컬형 반사판
3 : 벌브 10 : 매트릭스 LED
11 : LED 칩 30 : 하이퍼볼라형 리플렉터
50 : 비구면 렌즈
Claims (3)
- 복수 개의 LED 칩(chip)을 배열하여 광을 조사하는 매트릭스 LED와;
상기 매트릭스 LED로부터 조사되는 광을 반사하는 리플렉터와;
상기 리플렉터로부터 조사되는 광로(光路) 상에 배치되는 비구면 렌즈를 포함하며,
상기 리플렉터는 하이퍼볼라(Hyperbola)형 리플렉터이고,
상기 하이퍼볼라형 리플렉터는 초점 간의 거리의 차가 일정한 값인 하이퍼볼라 상수값을 변경하여 상기 비구면 렌즈를 통하여 조사되는 광 조사 영역의 수직 방향 크기를 조절하고,
상기 매트릭스 LED의 위치를 조절하여 상기 비구면 렌즈를 통하여 조사되는 광 조사 영역의 수평 방향 크기를 조절하며,
상기 하이퍼볼라형 리플렉터는 허상의 위치를 상기 비구면 렌즈의 초점과 일치시키는 것을 특징으로 하는 하이퍼볼라형 리플렉터를 이용한 매트릭스 LED 헤드램프. - 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120151703A KR102001497B1 (ko) | 2012-12-24 | 2012-12-24 | 하이퍼볼라형 리플렉터를 이용한 매트릭스 led 헤드램프 |
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Application Number | Priority Date | Filing Date | Title |
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KR1020120151703A KR102001497B1 (ko) | 2012-12-24 | 2012-12-24 | 하이퍼볼라형 리플렉터를 이용한 매트릭스 led 헤드램프 |
Publications (2)
Publication Number | Publication Date |
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KR20140082160A KR20140082160A (ko) | 2014-07-02 |
KR102001497B1 true KR102001497B1 (ko) | 2019-07-18 |
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KR1020120151703A Active KR102001497B1 (ko) | 2012-12-24 | 2012-12-24 | 하이퍼볼라형 리플렉터를 이용한 매트릭스 led 헤드램프 |
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KR (1) | KR102001497B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005063754A (ja) * | 2003-08-08 | 2005-03-10 | Mitsubishi Electric Corp | ヘッドランプ |
JP2005190668A (ja) * | 2003-12-24 | 2005-07-14 | Koito Mfg Co Ltd | 車両用灯具ユニット |
JP2007335311A (ja) * | 2006-06-16 | 2007-12-27 | Koito Mfg Co Ltd | 車輌用灯具 |
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2012
- 2012-12-24 KR KR1020120151703A patent/KR102001497B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005063754A (ja) * | 2003-08-08 | 2005-03-10 | Mitsubishi Electric Corp | ヘッドランプ |
JP2005190668A (ja) * | 2003-12-24 | 2005-07-14 | Koito Mfg Co Ltd | 車両用灯具ユニット |
JP2007335311A (ja) * | 2006-06-16 | 2007-12-27 | Koito Mfg Co Ltd | 車輌用灯具 |
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KR20140082160A (ko) | 2014-07-02 |
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