CA1331979C - Illumination device - Google Patents

Illumination device

Info

Publication number
CA1331979C
CA1331979C CA000581735A CA581735A CA1331979C CA 1331979 C CA1331979 C CA 1331979C CA 000581735 A CA000581735 A CA 000581735A CA 581735 A CA581735 A CA 581735A CA 1331979 C CA1331979 C CA 1331979C
Authority
CA
Canada
Prior art keywords
reflecting plate
light sources
illumination device
reflecting
metal foil
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA000581735A
Other languages
English (en)
French (fr)
Inventor
Hideaki Katoh
Nobuhisa Noguchi
Yutaka Kikuchi
Isamu Kaneko
Teruo Hoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
I Pex Inc
Original Assignee
Dai Ichi Seiko Co Ltd
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
Priority claimed from JP62307447A external-priority patent/JP2662600B2/ja
Priority claimed from JP62326861A external-priority patent/JP2852424B2/ja
Priority claimed from JP1987197345U external-priority patent/JPH054163Y2/ja
Application filed by Dai Ichi Seiko Co Ltd filed Critical Dai Ichi Seiko Co Ltd
Application granted granted Critical
Publication of CA1331979C publication Critical patent/CA1331979C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
CA000581735A 1987-12-07 1988-10-31 Illumination device Expired - Fee Related CA1331979C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP62307447A JP2662600B2 (ja) 1987-12-07 1987-12-07 照明装置用反射板の成形方法
JPP62-307447 1987-12-07
JP62326861A JP2852424B2 (ja) 1987-12-25 1987-12-25 照明装置
JPP62-326861 1987-12-25
JP1987197345U JPH054163Y2 (de) 1987-12-28 1987-12-28
JPUM62-197345 1987-12-28

Publications (1)

Publication Number Publication Date
CA1331979C true CA1331979C (en) 1994-09-13

Family

ID=27327369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000581735A Expired - Fee Related CA1331979C (en) 1987-12-07 1988-10-31 Illumination device

Country Status (4)

Country Link
EP (1) EP0319655B1 (de)
KR (1) KR970008277B1 (de)
CA (1) CA1331979C (de)
DE (1) DE3850361T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2693849B2 (ja) * 1990-04-24 1997-12-24 シャープ株式会社 平面光源装置
IT1295866B1 (it) * 1997-10-22 1999-05-28 Pietro Maria Castiglioni Dispositivo di illuminazione fungente da proiettore-diffusore di luce ad elevata intensita' luminosa
KR101908651B1 (ko) * 2011-10-04 2018-10-16 엘지이노텍 주식회사 백라이트 유닛

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283782A (en) * 1941-05-22 1942-05-19 Kaufmann & Baer Company Lighting fixture
US3009055A (en) * 1959-09-18 1961-11-14 Franzese Fixture Co Inc Sun tan fixture
DE1965112A1 (de) * 1969-12-27 1971-07-01 Licentia Gmbh Leuchte mit veraenderbarer Lichtstaerkeverteilung
DE3317812A1 (de) * 1983-05-17 1984-11-22 Friedrich 7800 Freiburg Wolff Bestrahlungs- oder beleuchtungsgeraet

Also Published As

Publication number Publication date
KR970008277B1 (ko) 1997-05-22
KR890010484A (ko) 1989-08-09
EP0319655A3 (en) 1990-05-02
DE3850361T2 (de) 1994-10-06
EP0319655B1 (de) 1994-06-22
EP0319655A2 (de) 1989-06-14
DE3850361D1 (de) 1994-07-28

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Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 20100913