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HK1089291A1 - Light emitting device and illumination instrument using the same - Google Patents

Light emitting device and illumination instrument using the same

Info

Publication number
HK1089291A1
HK1089291A1 HK06109467.9A HK06109467A HK1089291A1 HK 1089291 A1 HK1089291 A1 HK 1089291A1 HK 06109467 A HK06109467 A HK 06109467A HK 1089291 A1 HK1089291 A1 HK 1089291A1
Authority
HK
Hong Kong
Prior art keywords
led
light emitting
light
emitting device
support plate
Prior art date
Application number
HK06109467.9A
Inventor
Takuo Murai
Hideki Fukuda
Takeyuki Maegawa
Yoshiyuki Gotoh
Kenichi Ishii
Yasuo Imai
Akihito Tanaka
Osamu Myodo
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Elec Lighting Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp, Mitsubishi Elec Lighting Corp filed Critical Mitsubishi Electric Corp
Publication of HK1089291A1 publication Critical patent/HK1089291A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/80—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/90—Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

A light emitting device includes: a plurality of LED mounted substrates (4), each having an LED element (12) emitting light of a short wavelength; a case (2) having a concave portion having a reflection surface (2a) on which a wavelength conversion unit (3) is arranged for emitting converted light by the short-wavelength light of the LED element (12); and a thermo-conductive substrate support plate (5) standing at the center portion of the bottom of the concave portion of the case (2). The reflection surface (2a) is a parabolic plane formed along the both sides of the LED substrate support plate (5). The LED mounted substrates (4) are arranged at the both sides of the LED substrate support plate (5) in such a manner that the light emitting surfaces of the LED elements (12) face the reflection surface (2a).
HK06109467.9A 2003-12-05 2006-08-25 Light emitting device and illumination instrument using the same HK1089291A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003407804 2003-12-05
PCT/JP2004/018046 WO2005055328A1 (en) 2003-12-05 2004-12-03 Light emitting device and illumination instrument using the same

Publications (1)

Publication Number Publication Date
HK1089291A1 true HK1089291A1 (en) 2006-11-24

Family

ID=34650321

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06109467.9A HK1089291A1 (en) 2003-12-05 2006-08-25 Light emitting device and illumination instrument using the same

Country Status (6)

Country Link
JP (1) JP4088932B2 (en)
KR (1) KR100731454B1 (en)
CN (2) CN100492685C (en)
HK (1) HK1089291A1 (en)
TW (1) TWI253189B (en)
WO (1) WO2005055328A1 (en)

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* Cited by examiner, † Cited by third party
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KR100731454B1 (en) 2007-06-21
TWI253189B (en) 2006-04-11
CN100492685C (en) 2009-05-27
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KR20060036039A (en) 2006-04-27
JP4088932B2 (en) 2008-05-21

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