DK551188D0 - Frontprojektionsskaerm - Google Patents

Frontprojektionsskaerm

Info

Publication number
DK551188D0
DK551188D0 DK551188A DK551188A DK551188D0 DK 551188 D0 DK551188 D0 DK 551188D0 DK 551188 A DK551188 A DK 551188A DK 551188 A DK551188 A DK 551188A DK 551188 D0 DK551188 D0 DK 551188D0
Authority
DK
Denmark
Prior art keywords
projection screen
front projection
screen
projection
Prior art date
Application number
DK551188A
Other languages
English (en)
Other versions
DK551188A (da
Inventor
Ralph Hampton Bradley
William Francis Guerinot
Johannes Cornelis Van De Ven
Original Assignee
Koninkl Philips Electronics Nv
Philips Corp
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
Priority claimed from US07/107,087 external-priority patent/US4767186A/en
Priority claimed from NL8801361A external-priority patent/NL8801361A/nl
Application filed by Koninkl Philips Electronics Nv, Philips Corp filed Critical Koninkl Philips Electronics Nv
Publication of DK551188D0 publication Critical patent/DK551188D0/da
Publication of DK551188A publication Critical patent/DK551188A/da

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
DK551188A 1987-10-06 1988-10-03 Frontprojektionsskaerm DK551188A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/107,087 US4767186A (en) 1987-10-06 1987-10-06 Front projection screen with rear light concentrating lens array
NL8801361A NL8801361A (nl) 1988-05-27 1988-05-27 Opzichtprojektiescherm.

Publications (2)

Publication Number Publication Date
DK551188D0 true DK551188D0 (da) 1988-10-03
DK551188A DK551188A (da) 1989-04-07

Family

ID=26646385

Family Applications (1)

Application Number Title Priority Date Filing Date
DK551188A DK551188A (da) 1987-10-06 1988-10-03 Frontprojektionsskaerm

Country Status (4)

Country Link
EP (2) EP0311189A1 (da)
JP (1) JPH01161228A (da)
KR (1) KR890007096A (da)
DK (1) DK551188A (da)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0542548B1 (en) * 1991-11-15 2000-04-26 Matsushita Electric Industrial Co., Ltd. Transmission type screen and method of manufacturing thereof
US6123877A (en) * 1994-12-28 2000-09-26 Nashua Corporation Asymmetric light diffusing material
GB9524220D0 (en) * 1995-11-27 1996-01-31 Nashua Corp Improvements in or relating to projection screens and the like
JP3655972B2 (ja) * 1996-08-16 2005-06-02 大日本印刷株式会社 反射型スクリーン及び前方投影システム
US6346311B1 (en) 1997-09-10 2002-02-12 Nashua Corporation Projection screen material and methods of manufacture
US6369944B1 (en) 1999-07-12 2002-04-09 Nashua Corporation Diffuser-coated projection screen element and method of manufacture
EP1305656A4 (en) 2000-07-31 2006-03-08 Rochester Photonics Corp STRUCTURED UMBRELLAS FOR REGULATED DIFFUSION OF LIGHT
US6835535B2 (en) 2000-07-31 2004-12-28 Corning Incorporated Microlens arrays having high focusing efficiency
US7092165B2 (en) 2000-07-31 2006-08-15 Corning Incorporated Microlens arrays having high focusing efficiency
GB0210659D0 (en) * 2002-05-09 2002-06-19 Screen Technology Ltd Display
JP4725198B2 (ja) * 2005-02-02 2011-07-13 大日本印刷株式会社 反射スクリーン、反射スクリーンの製造方法
CN101661215B (zh) * 2005-02-02 2011-12-21 大日本印刷株式会社 反射屏
JP4956950B2 (ja) * 2005-09-29 2012-06-20 ソニー株式会社 反射型スクリーン
JP5034533B2 (ja) * 2006-02-07 2012-09-26 大日本印刷株式会社 反射スクリーン
US7911693B2 (en) 2006-03-20 2011-03-22 Hewlett-Packard Development Company, L.P. Ambient light absorbing screen
US7499214B2 (en) 2006-03-20 2009-03-03 Hewlett-Packard Development Company, L.P. Ambient light absorbing screen
JP4842706B2 (ja) * 2006-05-23 2011-12-21 株式会社日立製作所 フロント投射型スクリーン
CN102478675A (zh) * 2010-11-30 2012-05-30 沈阳新松机器人自动化股份有限公司 一种曲面棱锥形微透镜阵列及带有该透镜阵列的背投屏幕
JP2012252228A (ja) * 2011-06-03 2012-12-20 Dainippon Printing Co Ltd 反射型スクリーンの製造方法、及び反射型スクリーン
JP2013152284A (ja) * 2012-01-24 2013-08-08 Dainippon Printing Co Ltd 反射スクリーン、映像表示システム
JP2013152288A (ja) * 2012-01-24 2013-08-08 Dainippon Printing Co Ltd 反射スクリーン、映像表示システム
TWI494681B (zh) 2014-06-16 2015-08-01 Coretronic Corp 投影幕及投影幕的製作方法
US9791697B2 (en) 2015-12-11 2017-10-17 Panasonic Intellectual Property Management Co., Ltd. Screen
TWI581049B (zh) 2015-12-24 2017-05-01 中強光電股份有限公司 投影屏幕
CN107367898B (zh) * 2016-05-12 2019-05-03 深圳光峰科技股份有限公司 一种投影屏幕的制作方法及相关投影屏幕
CN107991837B (zh) * 2018-01-30 2020-05-05 上海理工大学 基于全反射的增强投影亮度和对比度的幕布及其制作方法
CN111971620B (zh) * 2018-02-20 2023-02-17 超级隐形生物科技公司 显示系统
CN113009768B (zh) * 2019-12-20 2023-03-21 青岛海信激光显示股份有限公司 一种投影屏幕及投影设备
CN112305849A (zh) * 2020-11-19 2021-02-02 深圳市光科全息技术有限公司 光学结构投影幕布

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR588688A (fr) * 1924-10-10 1925-05-13 écran de projection de grande luminosité, visible en salle éclairée
FR1075872A (fr) * 1953-04-15 1954-10-20 ?cran de projection
CH318891A (de) * 1953-09-21 1957-01-31 Gretener Edgar Ing Dr Riffelschirm für Projektionszwecke
JPS53125834A (en) * 1977-04-11 1978-11-02 Canon Inc Reflecting type screen for film reader
JPS5564228A (en) 1978-11-08 1980-05-14 Mitsubishi Electric Corp Reflection type projecting screen
US4206969A (en) * 1979-04-11 1980-06-10 Minnesota Mining And Manufacturing Company Directional front projection screen
JPS56106237A (en) * 1980-01-29 1981-08-24 Matsushita Electric Ind Co Ltd Transmissive screen and its manufacture
JPS5734547A (en) * 1980-08-08 1982-02-24 Sony Corp Reflection type screen
US4573764A (en) * 1983-12-30 1986-03-04 North American Philips Consumer Electronics Corp. Rear projection screen
US4605283A (en) 1983-12-30 1986-08-12 North American Philips Corporation Blackened optical transmission system
US4606609A (en) 1985-08-12 1986-08-19 Hong Sung K Projection screen
NL8600042A (nl) * 1986-01-10 1987-08-03 Philips Nv Doorzicht projectiescherm en werkwijze voor de vervaardiging daarvan.
NL8600043A (nl) * 1986-01-10 1987-08-03 Philips Nv Doorzicht projectiescherm en werkwijze voor de vervaardiging daarvan.
NL8600184A (nl) * 1986-01-28 1987-08-17 Philips Nv Doorzichtprojektiesysteem.

Also Published As

Publication number Publication date
EP0511721A3 (en) 1992-11-25
DK551188A (da) 1989-04-07
KR890007096A (ko) 1989-06-17
EP0511721A2 (en) 1992-11-04
EP0311189A1 (en) 1989-04-12
JPH01161228A (ja) 1989-06-23

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
AHS Application shelved for other reasons than non-payment