DE69315349T2 - Anzeigevorrichtung - Google Patents

Anzeigevorrichtung

Info

Publication number
DE69315349T2
DE69315349T2 DE69315349T DE69315349T DE69315349T2 DE 69315349 T2 DE69315349 T2 DE 69315349T2 DE 69315349 T DE69315349 T DE 69315349T DE 69315349 T DE69315349 T DE 69315349T DE 69315349 T2 DE69315349 T2 DE 69315349T2
Authority
DE
Germany
Prior art keywords
display device
display
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
DE69315349T
Other languages
English (en)
Other versions
DE69315349D1 (de
Inventor
Kazuhiko Toyooka
Kazuo Okamota
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.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69315349D1 publication Critical patent/DE69315349D1/de
Publication of DE69315349T2 publication Critical patent/DE69315349T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
DE69315349T 1992-09-04 1993-09-03 Anzeigevorrichtung Expired - Fee Related DE69315349T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4236929A JPH06102506A (ja) 1992-09-04 1992-09-04 ディスプレー装置
PCT/US1993/008343 WO1994006051A1 (en) 1992-09-04 1993-09-03 Display device

Publications (2)

Publication Number Publication Date
DE69315349D1 DE69315349D1 (de) 1998-01-02
DE69315349T2 true DE69315349T2 (de) 1998-06-25

Family

ID=17007848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315349T Expired - Fee Related DE69315349T2 (de) 1992-09-04 1993-09-03 Anzeigevorrichtung

Country Status (4)

Country Link
EP (1) EP0658254B1 (de)
JP (1) JPH06102506A (de)
DE (1) DE69315349T2 (de)
WO (1) WO1994006051A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555329A (en) * 1993-11-05 1996-09-10 Alliesignal Inc. Light directing optical structure
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
US5428468A (en) * 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
US5521725A (en) * 1993-11-05 1996-05-28 Alliedsignal Inc. Illumination system employing an array of microprisms
US6129439A (en) * 1993-11-05 2000-10-10 Alliedsignal Inc. Illumination system employing an array of multi-faceted microprisms
AU3276395A (en) * 1994-10-04 1996-04-26 Minnesota Mining And Manufacturing Company Self-contained lighted marking device
GB2304921A (en) * 1995-09-06 1997-03-26 Thomson Multimedia Sa Stereoscopic display having lenticular lensheet and diffuser
JPH09105804A (ja) * 1995-10-13 1997-04-22 Konica Corp 光制御シート、面光源装置及び液晶表示装置
JP3402138B2 (ja) * 1996-09-27 2003-04-28 株式会社日立製作所 液晶表示装置
TW579438B (en) 1999-02-04 2004-03-11 Keiwa Inc Light diffusion plate and backlight device using the same
AUPQ399199A0 (en) * 1999-11-11 1999-12-02 Aristocrat Leisure Industries Pty Ltd Diffuser panel particularly for use in belly door of gaming machine
JP3763068B2 (ja) 2004-08-05 2006-04-05 サンテック株式会社 ディスプレイ装置
US7631991B2 (en) * 2004-09-30 2009-12-15 Koninklijke Philips Electronics N.V. Brightness enhancement of LED using selective ray angular recycling
WO2006080530A1 (ja) 2005-01-31 2006-08-03 Toppan Printing Co., Ltd. 光学シートとそれを用いたバックライト・ユニットおよびディスプレイ
DE102005010974A1 (de) * 2005-03-04 2006-09-14 Seereal Technologies Gmbh Sweet-Spot-Einheit mit verbesserter Homogenität
KR100619476B1 (ko) * 2005-04-04 2006-09-06 한국과학기술원 광확산부와 집광부를 일체형으로 구비하는 백라이트유닛용시트 및 그 제조 방법
JP3991281B2 (ja) 2005-05-31 2007-10-17 ソニー株式会社 液晶表示装置、光学シートの製造方法および光学シート
CN100468089C (zh) * 2006-03-03 2009-03-11 鸿富锦精密工业（深圳）有限公司 棱镜片及采用该棱镜片的背光模组
TWI363195B (en) 2006-04-14 2012-05-01 Sony Corp Optical sheet, back-light device and liquid crystal display device
KR20070109134A (ko) * 2006-05-09 2007-11-15 엘지전자 주식회사 프리즘 시트, 이를 구비한 백라이트 유닛 및 액정표시장치
EP1855151B1 (de) * 2006-05-10 2013-02-20 Samsung Display Co., Ltd. Optische Platte, Verfahren zur Herstellung einer optischen Platte, Hintergrundlichtanordnung und Flüssigkristallanzeigenvorrichtung
JP4957195B2 (ja) 2006-11-09 2012-06-20 ソニー株式会社 液晶表示装置
KR100854752B1 (ko) * 2007-02-01 2008-08-27 온누리전자(주) 확산 수단이 일체화된 백라이트 유닛용 프리즘 시트 및 그제조방법
JP5070891B2 (ja) * 2007-03-14 2012-11-14 凸版印刷株式会社 光学シートとそれを用いたバックライト・ユニットおよびディスプレイ
JP2009175166A (ja) * 2007-12-25 2009-08-06 Toppan Printing Co Ltd 光学シート、バックライトユニットおよび表示装置
JP5056585B2 (ja) * 2008-05-27 2012-10-24 住友ベークライト株式会社 光学シートおよびバックライトユニット
JP5529512B2 (ja) 2009-07-23 2014-06-25 富士フイルム株式会社 Ｖａ型液晶表示装置
JP5434403B2 (ja) * 2009-09-07 2014-03-05 凸版印刷株式会社 照明ユニット及び表示装置
JP6021292B2 (ja) * 2009-10-02 2016-11-09 恵和株式会社 エッジライト型バックライトユニット
KR102081158B1 (ko) * 2012-10-22 2020-02-25 엘지디스플레이 주식회사 와이어 메시 타입 확산판과 그 제조방법, 및 이를 구비한 액정표시장치
US11513392B1 (en) * 2021-09-23 2022-11-29 Apple Inc. Direct-lit backlight units with optical films

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491905A (ja) * 1990-08-07 1992-03-25 Asahi Chem Ind Co Ltd 合成樹脂製型板

Also Published As

Publication number Publication date
EP0658254B1 (de) 1997-11-19
WO1994006051A1 (en) 1994-03-17
DE69315349D1 (de) 1998-01-02
EP0658254A1 (de) 1995-06-21
JPH06102506A (ja) 1994-04-15

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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