DE60019341D1 - Leuchtzeichen mit lampenmasken - Google Patents

Leuchtzeichen mit lampenmasken

Info

Publication number
DE60019341D1
DE60019341D1 DE60019341T DE60019341T DE60019341D1 DE 60019341 D1 DE60019341 D1 DE 60019341D1 DE 60019341 T DE60019341 T DE 60019341T DE 60019341 T DE60019341 T DE 60019341T DE 60019341 D1 DE60019341 D1 DE 60019341D1
Authority
DE
Germany
Prior art keywords
lamp
sign
ratio
face
light mark
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
DE60019341T
Other languages
English (en)
Other versions
DE60019341T2 (de
Inventor
T Strand
G Freier
O Aeling
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 Innovative Properties Co
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
Publication of DE60019341D1 publication Critical patent/DE60019341D1/de
Application granted granted Critical
Publication of DE60019341T2 publication Critical patent/DE60019341T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE60019341T 2000-03-31 2000-07-31 Leuchtzeichen mit lampenmasken Expired - Fee Related DE60019341T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US539820 2000-03-31
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 (2)

Publication Number Publication Date
DE60019341D1 true DE60019341D1 (de) 2005-05-12
DE60019341T2 DE60019341T2 (de) 2006-01-26

Family

ID=24152788

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60019341T Expired - Fee Related DE60019341T2 (de) 2000-03-31 2000-07-31 Leuchtzeichen mit lampenmasken

Country Status (12)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1846163A (zh) * 2003-09-04 2006-10-11 皇家飞利浦电子股份有限公司 照明系统和显示器件
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
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
US7815355B2 (en) * 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
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
KR101298786B1 (ko) * 2005-08-27 2013-08-22 쓰리엠 이노베이티브 프로퍼티즈 컴파니 조명 조립체 및 시스템
NL1030161C2 (nl) † 2005-10-11 2007-04-12 Matthijs Dirk Meulenbelt Presentatie-inrichting.
KR20110041507A (ko) 2008-07-10 2011-04-21 쓰리엠 이노베이티브 프로퍼티즈 컴파니 점탄성 도광체
CN102138087B (zh) * 2008-07-10 2017-03-01 3M创新有限公司 具有粘弹性光导的回射制品和装置
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 (de) 1996-02-23 1997-10-11 Handotai Energy Kenkyusho Kk
EP0801427A3 (de) 1996-04-11 1999-05-06 Matsushita Electric Industrial Co., Ltd. Feldeffekttransistor, Halbleiter-Speicheranordnung, Verfahren zur Herstellung und Verfahren zum Steuern der Halbleiter-Speicheranordnung
US6042243A (en) * 1996-09-13 2000-03-28 Exhibit & Display Center, Inc. Modular light box
DE29707776U1 (de) 1997-04-30 1997-08-07 Pueplichhuisen Udo 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
CN1188816C (zh) 2005-02-09
MXPA02009387A (es) 2003-02-12
BR0017187A (pt) 2003-01-14
EP1269451B1 (de) 2005-04-06
AU2000267497A1 (en) 2001-10-15
CA2401244A1 (en) 2001-10-11
KR100652537B1 (ko) 2006-12-01
EP1269451A1 (de) 2003-01-02
US6416201B1 (en) 2002-07-09
CN1452766A (zh) 2003-10-29
ATE292838T1 (de) 2005-04-15
KR20020082495A (ko) 2002-10-31
WO2001075847A1 (en) 2001-10-11
JP2003529803A (ja) 2003-10-07
DE60019341T2 (de) 2006-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee