CN1305607A - 背投影屏 - Google Patents

背投影屏 Download PDF

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Publication number
CN1305607A
CN1305607A CN99807266A CN99807266A CN1305607A CN 1305607 A CN1305607 A CN 1305607A CN 99807266 A CN99807266 A CN 99807266A CN 99807266 A CN99807266 A CN 99807266A CN 1305607 A CN1305607 A CN 1305607A
Authority
CN
China
Prior art keywords
light
fan diffuser
screen
modulation
depth
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.)
Pending
Application number
CN99807266A
Other languages
English (en)
Chinese (zh)
Inventor
周鑫鑫
P·A·托马斯
C·M·布伦那
J·C·常
R·S·莫什里芙扎德
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 Innovative Properties Co
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN1305607A publication Critical patent/CN1305607A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • 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
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • 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
    • 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
    • G03B21/604—Polarised 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
CN99807266A 1998-06-11 1999-05-24 背投影屏 Pending CN1305607A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/095,835 US6163402A (en) 1998-06-11 1998-06-11 Rear projection screen
US09/095,835 1998-06-11

Publications (1)

Publication Number Publication Date
CN1305607A true CN1305607A (zh) 2001-07-25

Family

ID=22253805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99807266A Pending CN1305607A (zh) 1998-06-11 1999-05-24 背投影屏

Country Status (7)

Country Link
US (2) US6163402A (enExample)
EP (1) EP1084450A1 (enExample)
JP (1) JP2002517800A (enExample)
KR (1) KR20010052719A (enExample)
CN (1) CN1305607A (enExample)
AU (1) AU4095699A (enExample)
WO (1) WO1999064928A1 (enExample)

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CN107111149A (zh) * 2014-12-01 2017-08-29 Sn合伙合同会社 空中像显示装置
CN114114498A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏扩散膜
CN114114506A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种全贴合保偏复合棱镜膜
CN114114507A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜、一种解干涉保偏微透镜膜及其制备方法
CN114114499A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜、一种保偏扩散膜及一种双面雾保偏扩散膜
CN114114508A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜、一种抗吸附保偏微透镜膜及其制备方法
CN114114497A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏棱镜膜
CN114114501A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏棱镜膜
CN114114496A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及其制备方法
CN114114509A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜、一种解干涉保偏微透镜膜及其制备方法
CN114217372A (zh) * 2020-08-31 2022-03-22 宁波激智科技股份有限公司 一种保偏光学膜及一种保偏棱镜膜

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US6515798B1 (en) 2003-02-04
US6163402A (en) 2000-12-19
JP2002517800A (ja) 2002-06-18

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