DE69031773T2 - LCD-Anzeigevorrichtung vom Projektionstyp - Google Patents

LCD-Anzeigevorrichtung vom Projektionstyp

Info

Publication number
DE69031773T2
DE69031773T2 DE69031773T DE69031773T DE69031773T2 DE 69031773 T2 DE69031773 T2 DE 69031773T2 DE 69031773 T DE69031773 T DE 69031773T DE 69031773 T DE69031773 T DE 69031773T DE 69031773 T2 DE69031773 T2 DE 69031773T2
Authority
DE
Germany
Prior art keywords
display device
lcd display
projection type
type lcd
projection
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 - Lifetime
Application number
DE69031773T
Other languages
English (en)
Other versions
DE69031773D1 (de
Inventor
Johji Karasawa
Junishirou Shinozaki
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17354061&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69031773(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69031773D1 publication Critical patent/DE69031773D1/de
Application granted granted Critical
Publication of DE69031773T2 publication Critical patent/DE69031773T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • 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
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
DE69031773T 1989-10-05 1990-09-17 LCD-Anzeigevorrichtung vom Projektionstyp Expired - Lifetime DE69031773T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1260882A JP2893599B2 (ja) 1989-10-05 1989-10-05 偏光光源及び投写型表示装置

Publications (2)

Publication Number Publication Date
DE69031773D1 DE69031773D1 (de) 1998-01-15
DE69031773T2 true DE69031773T2 (de) 1998-03-26

Family

ID=17354061

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69031773T Expired - Lifetime DE69031773T2 (de) 1989-10-05 1990-09-17 LCD-Anzeigevorrichtung vom Projektionstyp
DE69033658T Expired - Lifetime DE69033658T2 (de) 1989-10-05 1990-09-17 Projektionsanzeigevorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69033658T Expired - Lifetime DE69033658T2 (de) 1989-10-05 1990-09-17 Projektionsanzeigevorrichtung

Country Status (4)

Country Link
US (2) US5200843A (de)
EP (2) EP0777146B1 (de)
JP (1) JP2893599B2 (de)
DE (2) DE69031773T2 (de)

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Also Published As

Publication number Publication date
DE69033658D1 (de) 2000-12-07
EP0777146A1 (de) 1997-06-04
US5200843A (en) 1993-04-06
JPH03122631A (ja) 1991-05-24
DE69031773D1 (de) 1998-01-15
EP0777146B1 (de) 2000-11-02
EP0421628A3 (en) 1992-04-15
US5278680A (en) 1994-01-11
EP0421628A2 (de) 1991-04-10
EP0421628B1 (de) 1997-12-03
DE69033658T2 (de) 2001-03-01
JP2893599B2 (ja) 1999-05-24

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