DE69418617D1 - Mikroprismenanordnung verwendende vorrichtung zur rückseitigen beleuchtung - Google Patents

Mikroprismenanordnung verwendende vorrichtung zur rückseitigen beleuchtung

Info

Publication number
DE69418617D1
DE69418617D1 DE69418617T DE69418617T DE69418617D1 DE 69418617 D1 DE69418617 D1 DE 69418617D1 DE 69418617 T DE69418617 T DE 69418617T DE 69418617 T DE69418617 T DE 69418617T DE 69418617 D1 DE69418617 D1 DE 69418617D1
Authority
DE
Germany
Prior art keywords
light
microprism
slab waveguide
microprisms
microlenses
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 - Lifetime
Application number
DE69418617T
Other languages
English (en)
Other versions
DE69418617T2 (de
Inventor
Karl Beeson
Scott Zimmerman
Paul Michael Ferm
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.)
Honeywell International Inc
Original Assignee
AlliedSignal Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22529283&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69418617(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AlliedSignal Inc filed Critical AlliedSignal Inc
Application granted granted Critical
Publication of DE69418617D1 publication Critical patent/DE69418617D1/de
Publication of DE69418617T2 publication Critical patent/DE69418617T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
DE69418617T 1993-11-05 1994-11-02 Mikroprismenanordnung verwendende vorrichtung zur rückseitigen beleuchtung Expired - Lifetime DE69418617T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/149,219 US5396350A (en) 1993-11-05 1993-11-05 Backlighting apparatus employing an array of microprisms
PCT/US1994/012650 WO1995012782A1 (en) 1993-11-05 1994-11-02 Backlighting apparatus employing an array of microprisms

Publications (2)

Publication Number Publication Date
DE69418617D1 true DE69418617D1 (de) 1999-06-24
DE69418617T2 DE69418617T2 (de) 2000-02-03

Family

ID=22529283

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418617T Expired - Lifetime DE69418617T2 (de) 1993-11-05 1994-11-02 Mikroprismenanordnung verwendende vorrichtung zur rückseitigen beleuchtung

Country Status (16)

Country Link
US (1) US5396350A (de)
EP (1) EP0727028B1 (de)
JP (1) JP2706574B2 (de)
KR (1) KR100348734B1 (de)
CN (1) CN1097196C (de)
AT (1) ATE180322T1 (de)
AU (1) AU1087795A (de)
CA (1) CA2174528C (de)
DE (1) DE69418617T2 (de)
DK (1) DK0727028T3 (de)
ES (1) ES2132597T3 (de)
FI (1) FI961880A (de)
GR (1) GR3030897T3 (de)
SG (1) SG47942A1 (de)
TW (1) TW259861B (de)
WO (1) WO1995012782A1 (de)

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EP0727028A1 (de) 1996-08-21
ES2132597T3 (es) 1999-08-16
WO1995012782A1 (en) 1995-05-11
DK0727028T3 (da) 1999-11-08
TW259861B (de) 1995-10-11
CN1136349A (zh) 1996-11-20
US5396350A (en) 1995-03-07
AU1087795A (en) 1995-05-23
FI961880A0 (fi) 1996-05-03
DE69418617T2 (de) 2000-02-03
SG47942A1 (en) 1998-04-17
KR960706047A (ko) 1996-11-08
JPH08511129A (ja) 1996-11-19
JP2706574B2 (ja) 1998-01-28
GR3030897T3 (en) 1999-11-30
CN1097196C (zh) 2002-12-25
KR100348734B1 (ko) 2002-11-23
CA2174528C (en) 2006-07-11
CA2174528A1 (en) 1995-05-11
EP0727028B1 (de) 1999-05-19
ATE180322T1 (de) 1999-06-15
FI961880A (fi) 1996-05-03

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