DE3850705D1 - Beleuchtungseinrichtung mit grossem Fläche-zu-Dicke-Verhältnis und darin verwendete Folie. - Google Patents

Beleuchtungseinrichtung mit grossem Fläche-zu-Dicke-Verhältnis und darin verwendete Folie.

Info

Publication number: DE3850705D1
Authority: DE; Germany
Prior art keywords: lighting device; large area; film used; thickness ratio; thickness
Prior art date: 1987-05-08
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 - Lifetime

Application number

DE3850705T

Other languages

English (en)

Other versions

DE3850705T2 (de

Inventor

Sanford Cobb

John F Dreyer

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.)

3M Co

Original Assignee

Minnesota Mining and Manufacturing Co

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.)

1987-05-08

Filing date

1988-05-06

Publication date

1994-08-25

1988-05-06 Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co

1994-08-25 Publication of DE3850705D1 publication Critical patent/DE3850705D1/de

1995-02-02 Application granted granted Critical

1995-02-02 Publication of DE3850705T2 publication Critical patent/DE3850705T2/de

2008-05-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F21V5/00—Refractors for light sources
- F21V5/02—Refractors for light sources of prismatic shape
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
- 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

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Optical Elements Other Than Lenses (AREA)
Non-Portable Lighting Devices Or Systems Thereof (AREA)
Illuminated Signs And Luminous Advertising (AREA)
Planar Illumination Modules (AREA)

DE3850705T 1987-05-08 1988-05-06 Beleuchtungseinrichtung mit grossem Fläche-zu-Dicke-Verhältnis und darin verwendete Folie. Expired - Lifetime DE3850705T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US4764487A	1987-05-08	1987-05-08

Publications (2)

Publication Number	Publication Date
DE3850705D1 true DE3850705D1 (de)	1994-08-25
DE3850705T2 DE3850705T2 (de)	1995-02-02

Family

ID=21950127

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3850705T Expired - Lifetime DE3850705T2 (de)	1987-05-08	1988-05-06	Beleuchtungseinrichtung mit grossem Fläche-zu-Dicke-Verhältnis und darin verwendete Folie.

Country Status (8)

Country	Link
EP (1)	EP0292159B1 (de)
JP (1)	JP2693173B2 (de)
KR (1)	KR0125438B1 (de)
AU (2)	AU613032B2 (de)
CA (1)	CA1316159C (de)
DE (1)	DE3850705T2 (de)
ES (1)	ES2056106T3 (de)
MX (1)	MX167540B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5095415A (en) *	1989-10-30	1992-03-10	Minnesota Mining And Manufacturing Company	Light fixture for externally illuminated sign
EP0783712A1 (de) *	1994-10-04	1997-07-16	Minnesota Mining And Manufacturing Company	Selbststaendiges, lichtgebendes markierungsgeraet
TW278142B (de) *	1994-10-11	1996-06-11	Allied Signal Inc
EP1059484B2 (de) †	1999-05-25	2014-05-14	Siteco Beleuchtungstechnik GmbH	Leuchte mit breitstrahlender Lichtstärkeverteilung
KR100373208B1 (ko) *	1999-10-13	2003-02-25	주식회사 엘지화학	전반사 필름
KR100712766B1 (ko)	2002-01-31	2007-05-02	미츠비시 레이온 가부시키가이샤	광원 장치
TW594108B (en)	2002-06-24	2004-06-21	Mitsubishi Rayon Co	Light source device and light deflection element
KR101048201B1 (ko)	2003-07-15	2011-07-08	미츠비시 레이온 가부시키가이샤	광원 장치 및 광편향 소자
JP2007199696A (ja) *	2005-12-27	2007-08-09	Fujifilm Corp	プリズムシート
JP5939109B2 (ja) *	2012-09-25	2016-06-22	大日本印刷株式会社	面光源装置及び透過型表示装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1125856B (de) *	1958-11-27	1962-03-22	Otto Mueller	Nebelscheinwerfer fuer Kraftfahrzeuge od. dgl.
DE1835318U (de) *	1960-12-19	1961-07-20	Westfaelische Metall Ind K G H	Mit einem rueckstrahler vereinigte kraftfahrzeugleuchte.
US3829680A (en) *	1972-11-24	1974-08-13	Carroll J & Sons	Lighting panel
JPS5125582U (de) *	1974-08-15	1976-02-25
DE2750828C3 (de) *	1977-11-14	1981-10-15	Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt	Fahrzeugleuchte
JPS5821361B2 (ja) *	1978-06-16	1983-04-28	市光工業株式会社	車輌用灯具
DE8034379U1 (de) *	1980-12-23	1982-05-27	Audi Nsu Auto Union Ag, 7107 Neckarsulm	Leuchteinrichtung fuer kraftfahrzeuge
US4498733A (en) *	1982-07-02	1985-02-12	Amerace Corporation	Reflector structure
DK21487D0 (da) *	1987-01-15	1987-01-15	Nils Toft	Pladeformet lysleder
US4799137A (en) *	1987-03-24	1989-01-17	Minnesota Mining And Manufacturing Company	Reflective film

1988
- 1988-05-02 CA CA000565679A patent/CA1316159C/en not_active Expired - Lifetime
- 1988-05-04 MX MX011367A patent/MX167540B/es unknown
- 1988-05-05 AU AU15627/88A patent/AU613032B2/en not_active Expired
- 1988-05-06 EP EP88304109A patent/EP0292159B1/de not_active Expired - Lifetime
- 1988-05-06 JP JP63110281A patent/JP2693173B2/ja not_active Expired - Lifetime
- 1988-05-06 ES ES88304109T patent/ES2056106T3/es not_active Expired - Lifetime
- 1988-05-06 DE DE3850705T patent/DE3850705T2/de not_active Expired - Lifetime
- 1988-05-07 KR KR1019880005327A patent/KR0125438B1/ko not_active IP Right Cessation
1991
- 1991-05-27 AU AU77355/91A patent/AU7735591A/en not_active Abandoned

Also Published As

Publication number	Publication date
AU1562788A (en)	1988-11-10
KR0125438B1 (ko)	1997-12-26
AU7735591A (en)	1991-08-15
ES2056106T3 (es)	1994-10-01
KR880014307A (ko)	1988-12-23
JPS63298902A (ja)	1988-12-06
EP0292159B1 (de)	1994-07-20
DE3850705T2 (de)	1995-02-02
EP0292159A1 (de)	1988-11-23
AU613032B2 (en)	1991-07-25
MX167540B (es)	1993-03-29
CA1316159C (en)	1993-04-13
JP2693173B2 (ja)	1997-12-24

Publication	Publication Date	Title
DE68906923D1 (de)	1993-07-15	Amorpher oxid-film und gegenstand mit einem solchen film.
DE68924477D1 (de)	1995-11-09	Gleitkommaeinheit mit gleichzeitiger Multiplikation und Addition.
DE68922420D1 (de)	1995-06-08	Elektrolumineszente Zusammensetzung und elektrolumineszente Vorrichtung mit dieser Zusammensetzung.
DE68924741D1 (de)	1995-12-14	Flächenhafte Beleuchtungseinrichtung.
DE69014916D1 (de)	1995-01-26	Anzeigegerät und Anzeigesystem mit einem solchen Gerät.
DE68902593D1 (de)	1992-10-01	Austragvorrichtung mit belueftung.
DE68915059D1 (de)	1994-06-09	Mischvorrichtung.
DE69017603D1 (de)	1995-04-13	Reflektor und eine diesen enthaltende Beleuchtungsvorrichtung.
DE3675373D1 (de)	1990-12-06	Entwicklungsgeraet und bilderzeugungsgeraet mit einer derartigen vorrichtung.
FI912378A0 (fi)	1991-05-16	Sekoituslaite
GB2017997B (en)	1983-01-06	Luminous device and town furnishing provided with this device
DE68923075D1 (de)	1995-07-20	Umkehrvorrichtung.
DE58901176D1 (de)	1992-05-21	Mischvorrichtung.
DE3771480D1 (de)	1991-08-22	Schliesseinrichtung mit grosser schliesskombinationsanzahl.
ATA91988A (de)	1989-09-15	Hoergeraet mit leiterplatte
DE3850705D1 (de)	1994-08-25	Beleuchtungseinrichtung mit grossem Fläche-zu-Dicke-Verhältnis und darin verwendete Folie.
DE3876682D1 (de)	1993-01-28	Elektrolumineszenzanzeigeeinrichtung mit speichereffekt und mit halbton.
GB8919848D0 (en)	1989-10-18	Electroluminescent device and its manufacture
FI894218L (fi)	1990-03-09	Valaistuslaite
DK165034C (da)	1993-02-08	Markeringsindretning
FI893573L (fi)	1990-01-30	Ohutkalvoelektroluminesenssilaite
DE68922031D1 (de)	1995-05-11	Mischvorrichtung.
DE3761615D1 (de)	1990-03-15	Bolzensetzgeraet mit setzanzeige.
DE58900923D1 (de)	1992-04-09	Mischvorrichtung.
IT1237833B (it)	1993-06-18	Estrusore cilindrico planetario

Legal Events

Date	Code	Title	Description
1995-08-17	8364	No opposition during term of opposition