ATE292838T1 - Leuchtzeichen mit lampenmasken - Google Patents

Leuchtzeichen mit lampenmasken

Info

Publication number
ATE292838T1
ATE292838T1 AT00955270T AT00955270T ATE292838T1 AT E292838 T1 ATE292838 T1 AT E292838T1 AT 00955270 T AT00955270 T AT 00955270T AT 00955270 T AT00955270 T AT 00955270T AT E292838 T1 ATE292838 T1 AT E292838T1
Authority
AT
Austria
Prior art keywords
sign
lamp
ratio
face
illuminated sign
Prior art date
Application number
AT00955270T
Other languages
German (de)
English (en)
Inventor
Neal T Strand
David G Freier
Ellen O Aeling
Original Assignee
3M Innovative Properties 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.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE292838T1 publication Critical patent/ATE292838T1/de

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Planar Illumination Modules (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
AT00955270T 2000-03-31 2000-07-31 Leuchtzeichen mit lampenmasken ATE292838T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/539,820 US6416201B1 (en) 2000-03-31 2000-03-31 Illuminated sign with lamp masks for uniform illumination
PCT/US2000/020640 WO2001075847A1 (en) 2000-03-31 2000-07-31 Illuminated sign with lamp masks

Publications (1)

Publication Number Publication Date
ATE292838T1 true ATE292838T1 (de) 2005-04-15

Family

ID=24152788

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00955270T ATE292838T1 (de) 2000-03-31 2000-07-31 Leuchtzeichen mit lampenmasken

Country Status (12)

Country Link
US (1) US6416201B1 (enExample)
EP (1) EP1269451B1 (enExample)
JP (1) JP2003529803A (enExample)
KR (1) KR100652537B1 (enExample)
CN (1) CN1188816C (enExample)
AT (1) ATE292838T1 (enExample)
AU (1) AU2000267497A1 (enExample)
BR (1) BR0017187A (enExample)
CA (1) CA2401244A1 (enExample)
DE (1) DE60019341T2 (enExample)
MX (1) MXPA02009387A (enExample)
WO (1) WO2001075847A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070053175A1 (en) * 2003-09-04 2007-03-08 Koninklijke Philips Electronics N.V. Illumination system and display device
US7490961B2 (en) * 2004-02-17 2009-02-17 Focal Point, Llc System of, and method for, indirect lighting
US7121690B1 (en) 2004-02-26 2006-10-17 Advanced Optical Technologies, Llc Constructive occlusion with a transmissive component
US20050225975A1 (en) * 2004-04-07 2005-10-13 Koji Takamura Area lighting device
US20060187650A1 (en) * 2005-02-24 2006-08-24 3M Innovative Properties Company Direct lit backlight with light recycling and source polarizers
US7220036B2 (en) * 2005-05-20 2007-05-22 3M Innovative Properties Company Thin direct-lit backlight for LCD display
CN100422817C (zh) * 2005-08-19 2008-10-01 深圳帝光电子有限公司 直下型背光源
US7815355B2 (en) * 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
US20070047228A1 (en) * 2005-08-27 2007-03-01 3M Innovative Properties Company Methods of forming direct-lit backlights having light recycling cavity with concave transflector
TWI464494B (zh) * 2005-08-27 2014-12-11 ３Ｍ新設資產公司 照明組件及系統
US7537374B2 (en) * 2005-08-27 2009-05-26 3M Innovative Properties Company Edge-lit backlight having light recycling cavity with concave transflector
US20070047219A1 (en) * 2005-08-27 2007-03-01 3M Innovative Properties Company Direct-lit backlight having light sources with bifunctional diverters
NL1030161C2 (nl) 2005-10-11 2007-04-12 Matthijs Dirk Meulenbelt Presentatie-inrichting.
EP2313800A4 (en) 2008-07-10 2014-03-19 3M Innovative Properties Co VISCOELASTIC LIGHT GUIDE
JP5539980B2 (ja) * 2008-07-10 2014-07-02 スリーエム イノベイティブ プロパティズ カンパニー 粘弾性光ガイドを有する再帰反射物品及び装置
US8047669B2 (en) * 2009-07-31 2011-11-01 Skc Haas Display Films Co., Ltd. Backlight illumination assembly having a joining clip with diffusion means
KR102081724B1 (ko) * 2013-03-21 2020-02-26 삼성전자주식회사 디스플레이 장치의 백라이트 유닛
US10274783B2 (en) 2017-05-05 2019-04-30 Pelka & Associates, Inc. Direct-view LED backlight with gradient reflective layer
CN109973942B (zh) * 2017-12-27 2021-04-20 广东虚拟现实科技有限公司 控制器及其控制系统和控制方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2050429A (en) * 1932-07-01 1936-08-11 Holophane Co Inc Light mixing apparatus
US2939235A (en) 1959-01-26 1960-06-07 Everbrite Electric Signs Interchangeable face pictorial illuminatable display signs
FR2347739A1 (fr) 1976-04-08 1977-11-04 Villibord Maurice Dispositif permettant d'obtenir des traces lumineuses continues polychromiques
US4418378A (en) * 1981-03-05 1983-11-29 Plan Hold Corporation Light box
US4602448A (en) 1984-03-09 1986-07-29 Grove Harry R Lighted display panel system
JPS6480985A (en) * 1987-09-24 1989-03-27 Hitachi Ltd Backlight device
JPH02284343A (ja) * 1989-03-22 1990-11-21 Toshiba Lighting & Technol Corp 照明装置
DE4039290A1 (de) * 1990-12-08 1992-06-11 Minnesota Mining & Mfg Leuchte
GB9201503D0 (en) 1992-01-24 1992-03-11 Showcard Systems Retail Ltd Lightbox for display purposes
JPH0669515A (ja) 1992-08-19 1994-03-11 Fujitsu Ltd 半導体記憶装置
JP3030368B2 (ja) 1993-10-01 2000-04-10 株式会社半導体エネルギー研究所 半導体装置およびその作製方法
US5379540A (en) 1993-11-17 1995-01-10 The Howard Company Modular sign system
JPH08148694A (ja) 1994-09-22 1996-06-07 Sanyo Electric Co Ltd 薄膜トランジスタ
TW317643B (enExample) 1996-02-23 1997-10-11 Handotai Energy Kenkyusho Kk
EP0801427A3 (en) 1996-04-11 1999-05-06 Matsushita Electric Industrial Co., Ltd. Field effect transistor, semiconductor storage device, method of manufacturing the same and method of driving semiconductor storage device
US6042243A (en) * 1996-09-13 2000-03-28 Exhibit & Display Center, Inc. Modular light box
DE29707776U1 (de) 1997-04-30 1997-08-07 Püplichhuisen, Udo, 47533 Kleve Schaukasten, insbesondere für Werbezwecke
US6024462A (en) 1997-06-10 2000-02-15 The University Of British Columbia High efficiency high intensity backlighting of graphic displays
JP3104870B2 (ja) * 1998-01-29 2000-10-30 スタンレー電気株式会社 自動車用ランプ

Also Published As

Publication number Publication date
US6416201B1 (en) 2002-07-09
MXPA02009387A (es) 2003-02-12
KR20020082495A (ko) 2002-10-31
DE60019341T2 (de) 2006-01-26
CN1188816C (zh) 2005-02-09
BR0017187A (pt) 2003-01-14
DE60019341D1 (de) 2005-05-12
CA2401244A1 (en) 2001-10-11
JP2003529803A (ja) 2003-10-07
WO2001075847A1 (en) 2001-10-11
EP1269451A1 (en) 2003-01-02
AU2000267497A1 (en) 2001-10-15
KR100652537B1 (ko) 2006-12-01
CN1452766A (zh) 2003-10-29
EP1269451B1 (en) 2005-04-06

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Legal Events

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