CN1683993B - 用于背面投影屏的透镜片 - Google Patents

用于背面投影屏的透镜片 Download PDF

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Publication number
CN1683993B
CN1683993B CN2005100651802A CN200510065180A CN1683993B CN 1683993 B CN1683993 B CN 1683993B CN 2005100651802 A CN2005100651802 A CN 2005100651802A CN 200510065180 A CN200510065180 A CN 200510065180A CN 1683993 B CN1683993 B CN 1683993B
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CN
China
Prior art keywords
surface layer
lens sheet
styrene
lens
methyl methacrylate
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
CN2005100651802A
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English (en)
Chinese (zh)
Other versions
CN1683993A (zh
Inventor
石泽幸雄
村井克之
有田新平
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co 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
Application filed by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of CN1683993A publication Critical patent/CN1683993A/zh
Application granted granted Critical
Publication of CN1683993B publication Critical patent/CN1683993B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/602—Lenticular screens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Laminated Bodies (AREA)
CN2005100651802A 2004-04-13 2005-04-13 用于背面投影屏的透镜片 Expired - Fee Related CN1683993B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004117852A JP2005300967A (ja) 2004-04-13 2004-04-13 背面投射型スクリーン
JP2004117852 2004-04-13
JP2004-117852 2004-04-13

Publications (2)

Publication Number Publication Date
CN1683993A CN1683993A (zh) 2005-10-19
CN1683993B true CN1683993B (zh) 2010-04-28

Family

ID=35060251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005100651802A Expired - Fee Related CN1683993B (zh) 2004-04-13 2005-04-13 用于背面投影屏的透镜片

Country Status (5)

Country Link
US (1) US7369311B2 (enExample)
JP (1) JP2005300967A (enExample)
KR (1) KR101174144B1 (enExample)
CN (1) CN1683993B (enExample)
TW (1) TW200540553A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100588296C (zh) 2002-05-13 2010-02-03 约翰逊父子公司 用于产生光和香味的组合表示的装置和方法
US7932482B2 (en) 2003-02-07 2011-04-26 S.C. Johnson & Son, Inc. Diffuser with light emitting diode nightlight
USD542400S1 (en) 2005-03-31 2007-05-08 S.C. Johnson & Son, Inc. Diffuser
USD541922S1 (en) 2005-03-31 2007-05-01 S.C. Johnson & Son, Inc. Diffuser
US7589340B2 (en) 2005-03-31 2009-09-15 S.C. Johnson & Son, Inc. System for detecting a container or contents of the container
US7643734B2 (en) 2005-03-31 2010-01-05 S.C. Johnson & Son, Inc. Bottle eject mechanism
US7281811B2 (en) 2005-03-31 2007-10-16 S. C. Johnson & Son, Inc. Multi-clarity lenses
JPWO2008004575A1 (ja) * 2006-07-07 2009-12-03 株式会社クラレ 光学シート、表示スクリーン及び表示装置
JP5358280B2 (ja) * 2009-05-12 2013-12-04 日立コンシューマエレクトロニクス株式会社 投写ボード装置、及びこれに用いる透過型スクリーン
WO2013157530A1 (ja) 2012-04-17 2013-10-24 三菱瓦斯化学株式会社 積層体
JP6429434B2 (ja) 2012-05-23 2018-11-28 キヤノン株式会社 プラスチック光学部材及びその製造方法
US20190039359A1 (en) * 2016-02-05 2019-02-07 Mitsubishi Gas Chemical Company, Inc. Stretched multilayer thermoplastic resin film
WO2020125317A1 (zh) * 2018-12-19 2020-06-25 青岛海信激光显示股份有限公司 一种投影屏幕及激光投影装置
CN111596512B (zh) * 2020-06-28 2021-08-27 歌尔光学科技有限公司 投影镜头和投影设备
KR102444334B1 (ko) * 2022-07-26 2022-09-19 (주)월러스코디자인랩 후면 투사 스크린용 대형 수지 패널 및 이의 제조 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6088158A (en) * 1997-08-29 2000-07-11 Dai Nippon Printing Co., Ltd. Rear projection screen having resistance to change of external humidity

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675435A (en) * 1995-03-16 1997-10-07 Kuraray Co., Ltd. Rear projection image display device
JP2002243917A (ja) * 2001-02-19 2002-08-28 Asahi Kasei Corp フレネルレンズ用原板シート

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6088158A (en) * 1997-08-29 2000-07-11 Dai Nippon Printing Co., Ltd. Rear projection screen having resistance to change of external humidity

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP特开2000-107835A 2002.04.10
JP特开2000-214533A 2000.08.04
JP特开2002-207253A 2002.07.26

Also Published As

Publication number Publication date
TW200540553A (en) 2005-12-16
JP2005300967A (ja) 2005-10-27
US20050225856A1 (en) 2005-10-13
US7369311B2 (en) 2008-05-06
KR20060045636A (ko) 2006-05-17
CN1683993A (zh) 2005-10-19
KR101174144B1 (ko) 2012-08-14

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20090220

Address after: Tokyo, Japan

Applicant after: Mitsubishi Gas Chemical Inc.

Address before: Tokyo

Applicant before: mgc

Co-applicant before: Acrylic Yingjie Corporation

Co-applicant before: Arisawa Manufacturing Co., Ltd.

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100428

Termination date: 20160413