DE68924741D1 - Flächenhafte Beleuchtungseinrichtung. - Google Patents

Flächenhafte Beleuchtungseinrichtung.

Info

Publication number
DE68924741D1
DE68924741D1 DE68924741T DE68924741T DE68924741D1 DE 68924741 D1 DE68924741 D1 DE 68924741D1 DE 68924741 T DE68924741 T DE 68924741T DE 68924741 T DE68924741 T DE 68924741T DE 68924741 D1 DE68924741 D1 DE 68924741D1
Authority
DE
Germany
Prior art keywords
lighting device
area lighting
area
lighting
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
DE68924741T
Other languages
English (en)
Other versions
DE68924741T2 (de
Inventor
Hirokazu Matsui
Shinzo Murase
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.)
MAYTAKU SYSTEM CO Ltd OTSU SHIGA JP
Panasonic Corp
Original Assignee
MAYTAKU SYSTEM CO Ltd OTSU SHIGA JP
MAYTAKU SYSTEM CO
Matsushita Electric Industrial 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
Application filed by MAYTAKU SYSTEM CO Ltd OTSU SHIGA JP, MAYTAKU SYSTEM CO, Matsushita Electric Industrial Co Ltd filed Critical MAYTAKU SYSTEM CO Ltd OTSU SHIGA JP
Application granted granted Critical
Publication of DE68924741D1 publication Critical patent/DE68924741D1/de
Publication of DE68924741T2 publication Critical patent/DE68924741T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0065Manufacturing aspects; Material aspects
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/18Edge-illuminated signs
    • G09F2013/1804Achieving homogeneous illumination
    • G09F2013/1831Achieving homogeneous illumination using more than one light source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/18Edge-illuminated signs
    • G09F2013/1872Casing
    • G09F2013/1877Stand-like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Planar Illumination Modules (AREA)
DE68924741T 1988-08-23 1989-08-23 Flächenhafte Beleuchtungseinrichtung. Expired - Fee Related DE68924741T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63208670A JPH0670882B2 (ja) 1988-08-23 1988-08-23 単板使用エッジライトパネル

Publications (2)

Publication Number Publication Date
DE68924741D1 true DE68924741D1 (de) 1995-12-14
DE68924741T2 DE68924741T2 (de) 1996-04-11

Family

ID=16560114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924741T Expired - Fee Related DE68924741T2 (de) 1988-08-23 1989-08-23 Flächenhafte Beleuchtungseinrichtung.

Country Status (4)

Country Link
US (1) US4985809A (de)
EP (1) EP0355805B1 (de)
JP (1) JPH0670882B2 (de)
DE (1) DE68924741T2 (de)

Families Citing this family (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667289A (en) * 1989-05-18 1997-09-16 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5283673A (en) * 1989-09-30 1994-02-01 Kabushiki Kaisha Meitaku Shisutemu Surface luminous source panel with areas having different reflector speck densities
JP2620981B2 (ja) * 1989-09-30 1997-06-18 株式会社 明拓システム 液晶バックライト用エッジライトパネル
US5093765A (en) * 1990-02-16 1992-03-03 Tosoh Corporation Back lighting device for a panel
US5641219A (en) * 1990-06-22 1997-06-24 Mizobe; Tatsuji Uniform illumination light emitting device
JP3204999B2 (ja) * 1990-06-26 2001-09-04 株式会社スタンレー滋賀製作所 エッジライトパネル
GB2247310B (en) * 1990-07-03 1993-09-22 Meitaku Syst Kk Edge light panel device
EP0503071A4 (en) * 1990-09-04 1993-03-10 Ohno Research And Development Laboratories Co., Ltd. Plastic optical member having light diffusing layer on surface, and light quantity control member
CA2068422A1 (en) * 1990-09-12 1992-03-13 Makoto Ohe Surface light source element
US5363294A (en) * 1991-03-29 1994-11-08 Nissha Printing Co., Ltd. Surface light source device
US5359503A (en) * 1991-06-24 1994-10-25 Mitsubishi Denki Kabushiki Kaisha Surface luminous lighting unit
DE69220870T2 (de) * 1991-08-22 1998-02-05 Tosoh Corp Vorrichtung zur rückseitigen Beleuchtung
JPH05142535A (ja) * 1991-08-29 1993-06-11 Meitaku Syst:Kk エツジライトパネルの入射光供給装置
FR2684476A1 (fr) * 1991-11-30 1993-06-04 Meitaku Syst Kk Panneau a eclairage lateral et procede de fabrication de celui-ci.
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5303322A (en) * 1992-03-23 1994-04-12 Nioptics Corporation Tapered multilayer luminaire devices
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
WO1994001795A1 (en) * 1992-07-13 1994-01-20 Seiko Epson Corporation Surface illumination device and liquid crystal display
JP2601766Y2 (ja) * 1992-08-31 1999-12-06 日本電産コパル株式会社 面発光装置
GB9219671D0 (en) * 1992-09-17 1992-10-28 Canterbury Park Limited Ink
US5910854A (en) * 1993-02-26 1999-06-08 Donnelly Corporation Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices
US5359155A (en) * 1993-03-25 1994-10-25 Tiger Scientific Corp. Illumination apparatus for a digitizer tablet
AU683874B2 (en) * 1993-05-05 1997-11-27 Jones, Richard Arnot A sign-display system
BE1007433A3 (nl) * 1993-07-30 1995-06-13 Philips Electronics Nv Platte beeldweergeefinrichting, belichtingsstelsel en stralingsbron geschikt voor toepassing in een dergelijke platte beeldweergeefinrichting.
US5668663A (en) * 1994-05-05 1997-09-16 Donnelly Corporation Electrochromic mirrors and devices
WO1995033224A1 (en) * 1994-05-31 1995-12-07 Philips Electronics N.V. Display device having a diffusing display panel
DE4425246A1 (de) * 1994-07-16 1996-01-18 Schoeniger Karl Heinz Beleuchtete Anzeigetafel
US5680718A (en) 1994-12-20 1997-10-28 First Choice Trading Limited Illuminable hat
US5736686A (en) * 1995-03-01 1998-04-07 Gtco Corporation Illumination apparatus for a digitizer tablet with improved light panel
JP3429387B2 (ja) * 1995-03-31 2003-07-22 株式会社エンプラス サイドライト型面光源装置
US6891563B2 (en) 1996-05-22 2005-05-10 Donnelly Corporation Vehicular vision system
US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US5613751A (en) * 1995-06-27 1997-03-25 Lumitex, Inc. Light emitting panel assemblies
KR100427904B1 (ko) * 1995-08-23 2004-09-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 평면패널화상디스플레이장치용조명시스템
CN1183407C (zh) * 1995-08-23 2005-01-05 皇家菲利浦电子有限公司 照明系统及含该照明系统的平板图像显示装置
EP0793815B1 (de) * 1995-09-22 2004-06-09 Koninklijke Philips Electronics N.V. Flachbildschirmanzeige
DE29605534U1 (de) * 1996-03-14 1996-07-11 Quick Herbert Hinweis- oder Informationsleuchte und entsprechende Profile
EP0835476B1 (de) * 1996-04-26 2004-11-03 Koninklijke Philips Electronics N.V. Optisches system
EP0868681A1 (de) * 1996-09-23 1998-10-07 Koninklijke Philips Electronics N.V. Beleuchtungssystem für flachbildanzeigevorrichtung
US6012822A (en) 1996-11-26 2000-01-11 Robinson; William J. Motion activated apparel flasher
JP3530876B2 (ja) * 1997-04-16 2004-05-24 ミノルタ株式会社 面発光装置、フィルム画像再生装置及び撮影画像確認装置
US6124886A (en) 1997-08-25 2000-09-26 Donnelly Corporation Modular rearview mirror assembly
US6326613B1 (en) 1998-01-07 2001-12-04 Donnelly Corporation Vehicle interior mirror assembly adapted for containing a rain sensor
US8294975B2 (en) 1997-08-25 2012-10-23 Donnelly Corporation Automotive rearview mirror assembly
US6172613B1 (en) 1998-02-18 2001-01-09 Donnelly Corporation Rearview mirror assembly incorporating vehicle information display
US6445287B1 (en) * 2000-02-28 2002-09-03 Donnelly Corporation Tire inflation assistance monitoring system
US8288711B2 (en) 1998-01-07 2012-10-16 Donnelly Corporation Interior rearview mirror system with forwardly-viewing camera and a control
US6477464B2 (en) * 2000-03-09 2002-11-05 Donnelly Corporation Complete mirror-based global-positioning system (GPS) navigation solution
US6329925B1 (en) 1999-11-24 2001-12-11 Donnelly Corporation Rearview mirror assembly with added feature modular display
US6693517B2 (en) 2000-04-21 2004-02-17 Donnelly Corporation Vehicle mirror assembly communicating wirelessly with vehicle accessories and occupants
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
US6827456B2 (en) 1999-02-23 2004-12-07 Solid State Opto Limited Transreflectors, transreflector systems and displays and methods of making transreflectors
US6502946B1 (en) * 1999-07-21 2003-01-07 Nippon Sheet Glass Co., Ltd. Planar display lamp and method of forming a light scatterer pattern
JP2001126521A (ja) * 1999-10-26 2001-05-11 Nippon Leiz Co Ltd 導光板および平面照明装置
US6341440B1 (en) * 1999-12-10 2002-01-29 Wen Tai Enterprise Co., Ltd. Multi-function signboard
AU2001243285A1 (en) 2000-03-02 2001-09-12 Donnelly Corporation Video mirror systems incorporating an accessory module
US7167796B2 (en) 2000-03-09 2007-01-23 Donnelly Corporation Vehicle navigation system for use with a telematics system
US7370983B2 (en) 2000-03-02 2008-05-13 Donnelly Corporation Interior mirror assembly with display
EP1264353A2 (de) 2000-03-06 2002-12-11 Teledyne Lighting and Display Products, Inc. Beleuchtungsvorrichtung mit einer quantenpunkt-schicht
CA2401461C (en) 2000-03-06 2008-06-03 Teledyne Lighting And Display Products, Inc. Led light source with field-of-view-controlling optics
UA74186C2 (uk) * 2000-05-19 2005-11-15 Лусайт Інтернешнл Юк Лімітед Освітлювальний пристрій з підсвічуванням крізь ребро
JP3932407B2 (ja) * 2000-07-03 2007-06-20 ミネベア株式会社 面状照明装置
DE20014421U1 (de) * 2000-08-18 2002-01-03 Bothe Klaus Beleuchtungsgerät
JP2002133907A (ja) * 2000-10-25 2002-05-10 Seiko Epson Corp 照明装置及びそれを用いた液晶装置
US6637924B2 (en) 2000-11-15 2003-10-28 Teledyne Lighting And Display Products, Inc. Strip lighting apparatus and method
US20040221753A1 (en) * 2000-12-22 2004-11-11 Greg Goodrich Illuminated display device
US6732641B2 (en) 2000-12-22 2004-05-11 Industrial Sol Art & Design, Ltd. Method for providing display images in an illuminated display device
JP2002196263A (ja) * 2000-12-26 2002-07-12 Ngk Insulators Ltd ディスプレイ装置
US7581859B2 (en) 2005-09-14 2009-09-01 Donnelly Corp. Display device for exterior rearview mirror
EP1363810B1 (de) 2001-01-23 2007-05-30 Donnelly Corporation Verbessertes fahrzeugbeleuchtungssystem
US7255451B2 (en) 2002-09-20 2007-08-14 Donnelly Corporation Electro-optic mirror cell
US6784603B2 (en) * 2001-07-20 2004-08-31 Teledyne Lighting And Display Products, Inc. Fluorescent lighting apparatus
US6918674B2 (en) * 2002-05-03 2005-07-19 Donnelly Corporation Vehicle rearview mirror system
WO2003105099A1 (en) 2002-06-06 2003-12-18 Donnelly Corporation Interior rearview mirror system with compass
US7329013B2 (en) 2002-06-06 2008-02-12 Donnelly Corporation Interior rearview mirror system with compass
US7310177B2 (en) 2002-09-20 2007-12-18 Donnelly Corporation Electro-optic reflective element assembly
WO2004026633A2 (en) * 2002-09-20 2004-04-01 Donnelly Corporation Mirror reflective element assembly
DK200200328U3 (da) * 2002-10-23 2002-12-27 Niels Erik Noergaard Belysningsarrangement med indirekte belysning og især for skilte
US7289037B2 (en) 2003-05-19 2007-10-30 Donnelly Corporation Mirror assembly for vehicle
KR100953424B1 (ko) * 2003-06-26 2010-04-19 삼성전자주식회사 양방향 백라이트 어셈블리 및 이를 이용한 양방향액정표시장치
TWI226954B (en) * 2003-07-08 2005-01-21 Au Optronics Corp Direct type backlight module
US7446924B2 (en) 2003-10-02 2008-11-04 Donnelly Corporation Mirror reflective element assembly including electronic component
US7308341B2 (en) 2003-10-14 2007-12-11 Donnelly Corporation Vehicle communication system
DK200400090A (da) 2004-01-23 2005-07-24 Zarp Danmark Aps Belysningsindretning til fladebelysning
TWM254682U (en) * 2004-02-10 2005-01-01 Sinology Entpr Co Ltd Ultra-thin backlight display panel
US20060083027A1 (en) * 2004-10-19 2006-04-20 Te-Neng Lin Double side backlight module
ATE517368T1 (de) 2005-05-16 2011-08-15 Donnelly Corp Fahrzeugspiegelanordnung mit zeichen am reflektierenden teil
CN101535087B (zh) 2005-11-01 2013-05-15 唐纳利公司 具有显示装置的内部后视镜
US20100184499A1 (en) * 2007-02-01 2010-07-22 Ritter Janice E Electronic Game Device and Method of Using the Same
US20080285274A1 (en) * 2007-05-17 2008-11-20 Hae-Ryong Jung Jung Panel light source for back-lit signs
CN101779148B (zh) 2007-06-14 2014-06-25 艾利丹尼森公司 受照图形和信息显示器
US8154418B2 (en) 2008-03-31 2012-04-10 Magna Mirrors Of America, Inc. Interior rearview mirror system
US8462292B2 (en) * 2008-07-31 2013-06-11 Rambus Delaware Llc Optically transmissive substrates and light emitting assemblies and methods of making same, and methods of displaying images using the optically transmissive substrates and light emitting assemblies
US20100110724A1 (en) * 2008-10-24 2010-05-06 Scott Moncrieff Thin film light diffusion guide
US20110219648A1 (en) * 2010-03-12 2011-09-15 Trevor James Led edge-lit signage utilizing digital print technology
CN102418853A (zh) * 2010-09-28 2012-04-18 展晶科技(深圳)有限公司 发光装置及其制造方法
TW201222028A (en) * 2010-11-23 2012-06-01 Genius Electronic Optical Co Ltd Light guide module
US9541701B2 (en) 2011-05-13 2017-01-10 3M Innovative Properties Company Back-lit transmissive display having variable index light extraction layer
JP6084483B2 (ja) * 2013-02-25 2017-02-22 日本電気硝子株式会社 面発光装置
CN203703693U (zh) * 2013-12-13 2014-07-09 青岛蓝芯电子科技有限公司 具有高导热性与绝缘性的橡胶磁led灯板及其照明灯
CN104111492B (zh) * 2014-05-16 2016-09-28 京东方光科技有限公司 导光板成型模具及制作方法
USD852273S1 (en) * 2017-01-05 2019-06-25 Lg Electronics Inc. Digital signage
CN108230905A (zh) * 2018-01-02 2018-06-29 京东方科技集团股份有限公司 一种显示屏及显示装置
US10991339B1 (en) * 2019-11-26 2021-04-27 Facebook Technologies, Llc System and method for increasing light uniformity for a display backlight

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR31104E (fr) * 1925-10-14 1926-11-23 Plaque signalisatrice à usage diurne et nocturne pour automobile, indication du nomdes rues, etc.
US2347665A (en) * 1941-03-04 1944-05-02 Christensen Geneva Bandy Internal reflection lighting means
US3132810A (en) * 1961-04-17 1964-05-12 Scm Corp Photographic illumination device
US4373282A (en) * 1979-12-26 1983-02-15 Hughes Aircraft Company Thin-panel illuminator for front-lit displays
JPS57128383A (en) * 1981-02-02 1982-08-09 Mitsubishi Electric Corp Surface lighting apparatus
JPS5838186A (ja) * 1981-08-31 1983-03-05 Tokyo Juki Ind Co Ltd 印字装置における紙状物の送り装置
JPS60205576A (ja) * 1984-03-30 1985-10-17 東芝ライテック株式会社 照明装置
JPS61193103A (ja) * 1985-02-22 1986-08-27 Teijin Chem Ltd 光輝性板
FR2597642B1 (fr) * 1986-04-18 1990-01-12 Blanchet Pierre Dispositif d'affichage lumineux de documents translucides
JPS6362104A (ja) * 1986-09-01 1988-03-18 株式会社明拓システム 電飾用光源装置
US4729067A (en) * 1986-09-26 1988-03-01 Mitsubishi Rayon Company Ltd. Light diffusing device
GB2196100B (en) * 1986-10-01 1990-07-04 Mitsubishi Rayon Co Light diffusing device
JPH01107406A (ja) * 1987-10-20 1989-04-25 Chatani Sangyo Kk 面照明装置

Also Published As

Publication number Publication date
DE68924741T2 (de) 1996-04-11
JPH0670882B2 (ja) 1994-09-07
JPH02126501A (ja) 1990-05-15
EP0355805A3 (en) 1990-08-29
EP0355805B1 (de) 1995-11-08
US4985809A (en) 1991-01-15
EP0355805A2 (de) 1990-02-28

Similar Documents

Publication Publication Date Title
DE68924741D1 (de) Flächenhafte Beleuchtungseinrichtung.
DE68915200D1 (de) Dekorative Beleuchtungsvorrichtung.
DE3789096D1 (de) Beleuchtungsvorrichtung.
DE58903340D1 (de) Flaechenhafter strahler.
DE3853024D1 (de) Leuchtvorrichtung.
DE68907927D1 (de) Bedienungsvorrichtung.
DE68910985D1 (de) Absteigevorrichtung.
NO890532D0 (no) Koblingsanordning.
DE69012956D1 (de) Infrarot-Beleuchtungsvorrichtung.
DE68906217D1 (de) Beleuchtungsgeraete.
DE68910906D1 (de) Leuchtende Vorrichtung.
DE3771637D1 (de) Beleuchtungsvorrichtung.
NO892968D0 (no) Koblingsanordning.
NO894035L (no) Koblingsanordning.
DE3680484D1 (de) Beleuchtungseinrichtung.
DE68906946D1 (de) Leuchte.
DE68905491D1 (de) Bahnwickelvorrichtung.
DE69005844D1 (de) Flache Beleuchtungseinheit.
DE69013277D1 (de) Beleuchtungsvorrichtung.
DE69013958D1 (de) Beleuchtungseinrichtung.
DE58907756D1 (de) Kombinationsgerät.
DE68910299D1 (de) Brotaufstrich.
DE68907989D1 (de) Elektroforesevorrichtung.
DE3850361D1 (de) Leuchtvorrichtung.
DE68906987D1 (de) Tragevorrichtung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MAYTAKU SYSTEM CO., LTD., OTSU, SHIGA, JP

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee