KR900012486A - 조명광 흡수구조를 갖는 프론트 프로젝션 스크린 - Google Patents

조명광 흡수구조를 갖는 프론트 프로젝션 스크린

Info

Publication number
KR900012486A
KR900012486A KR1019890000950A KR890000950A KR900012486A KR 900012486 A KR900012486 A KR 900012486A KR 1019890000950 A KR1019890000950 A KR 1019890000950A KR 890000950 A KR890000950 A KR 890000950A KR 900012486 A KR900012486 A KR 900012486A
Authority
KR
South Korea
Prior art keywords
light absorption
projection screen
front projection
absorption structure
illuminated light
Prior art date
Application number
KR1019890000950A
Other languages
English (en)
Other versions
KR920008058B1 (ko
Inventor
박홍철
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR1019890000950A priority Critical patent/KR920008058B1/ko
Priority to DE3939995A priority patent/DE3939995C2/de
Priority to US07/469,262 priority patent/US4991933A/en
Publication of KR900012486A publication Critical patent/KR900012486A/ko
Application granted granted Critical
Publication of KR920008058B1 publication Critical patent/KR920008058B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing 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
    • G03B21/602—Lenticular screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR1019890000950A 1989-01-28 1989-01-28 조명광 흡수구조를 갖는 프론트 프로젝션 스크린 KR920008058B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019890000950A KR920008058B1 (ko) 1989-01-28 1989-01-28 조명광 흡수구조를 갖는 프론트 프로젝션 스크린
DE3939995A DE3939995C2 (de) 1989-01-28 1989-12-02 Frontprojektionsschirm
US07/469,262 US4991933A (en) 1989-01-28 1990-01-24 Front projection screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890000950A KR920008058B1 (ko) 1989-01-28 1989-01-28 조명광 흡수구조를 갖는 프론트 프로젝션 스크린

Publications (2)

Publication Number Publication Date
KR900012486A true KR900012486A (ko) 1990-08-04
KR920008058B1 KR920008058B1 (ko) 1992-09-22

Family

ID=19283456

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890000950A KR920008058B1 (ko) 1989-01-28 1989-01-28 조명광 흡수구조를 갖는 프론트 프로젝션 스크린

Country Status (3)

Country Link
US (1) US4991933A (ko)
KR (1) KR920008058B1 (ko)
DE (1) DE3939995C2 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473469A (en) * 1994-05-12 1995-12-05 Philips Electronics North America Corporation Front projection screen with lenticular front surface
GB9524220D0 (en) * 1995-11-27 1996-01-31 Nashua Corp Improvements in or relating to projection screens and the like
US5932342A (en) * 1996-11-14 1999-08-03 Nashua Corporation Optical diffusers obtained by fluid phase mixing of incompatible materials
JP2001221975A (ja) * 2000-02-10 2001-08-17 Fujitsu Ltd 光学装置
KR100657254B1 (ko) * 2000-06-15 2006-12-14 삼성전자주식회사 프로젝터용 스크린
TWI378314B (en) * 2008-10-15 2012-12-01 Coretronic Corp Screen of a projecting device
KR20140019608A (ko) * 2012-08-06 2014-02-17 삼성전자주식회사 프론트 프로젝션 장치용 스크린 및 그 제조 방법
CN107632490B (zh) 2016-07-19 2020-10-16 深圳光峰科技股份有限公司 一种反光微结构、投影屏幕和投影系统
CN109752911A (zh) * 2017-11-07 2019-05-14 深圳光峰科技股份有限公司 抗光屏幕及其制造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2086556A (en) * 1934-01-11 1937-07-13 Jacobson Beatrice Projection screen for obtaining stereoscopic effects
US2660927A (en) * 1949-12-12 1953-12-01 Charles G Burton Projection screen
US2738706A (en) * 1952-04-04 1956-03-20 Jr Harvey A Thompson Back-lighted projection screens
US3191495A (en) * 1963-03-14 1965-06-29 Wendell S Miller Projection screen
US3704055A (en) * 1971-05-28 1972-11-28 Sung Kul Hong Projection screen
US3712708A (en) * 1971-09-09 1973-01-23 J Brown Lenticular projection screen
US3844644A (en) * 1973-09-19 1974-10-29 Reibel R Projection screen
JPS5564228A (en) * 1978-11-08 1980-05-14 Mitsubishi Electric Corp Reflection type projecting screen
US4767186A (en) * 1987-10-06 1988-08-30 North American Philips Consumer Electronics Corp. Front projection screen with rear light concentrating lens array

Also Published As

Publication number Publication date
KR920008058B1 (ko) 1992-09-22
DE3939995C2 (de) 1994-01-27
DE3939995A1 (de) 1990-08-02
US4991933A (en) 1991-02-12

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Legal Events

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A201 Request for examination
G160 Decision to publish patent application
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