DE8705103U1 - - Google Patents

Info

Publication number
DE8705103U1
DE8705103U1 DE8705103U DE8705103U DE8705103U1 DE 8705103 U1 DE8705103 U1 DE 8705103U1 DE 8705103 U DE8705103 U DE 8705103U DE 8705103 U DE8705103 U DE 8705103U DE 8705103 U1 DE8705103 U1 DE 8705103U1
Authority
DE
Germany
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
Application number
DE8705103U
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.)
Demolux & Co Kg 6070 Langen De GmbH
Original Assignee
Demolux & Co Kg 6070 Langen De GmbH
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 Demolux & Co Kg 6070 Langen De GmbH filed Critical Demolux & Co Kg 6070 Langen De GmbH
Priority to DE8705103U priority Critical patent/DE8705103U1/de
Publication of DE8705103U1 publication Critical patent/DE8705103U1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • 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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
DE8705103U 1987-04-06 1987-04-06 Expired DE8705103U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8705103U DE8705103U1 (de) 1987-04-06 1987-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8705103U DE8705103U1 (de) 1987-04-06 1987-04-06

Publications (1)

Publication Number Publication Date
DE8705103U1 true DE8705103U1 (de) 1987-08-06

Family

ID=6806760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8705103U Expired DE8705103U1 (de) 1987-04-06 1987-04-06

Country Status (1)

Country Link
DE (1) DE8705103U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0359494A2 (de) * 1988-09-12 1990-03-21 Minnesota Mining And Manufacturing Company Frontflächen-Fresnel-Reflektor für Flüssigkristallanzeige

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0359494A2 (de) * 1988-09-12 1990-03-21 Minnesota Mining And Manufacturing Company Frontflächen-Fresnel-Reflektor für Flüssigkristallanzeige
EP0359494A3 (de) * 1988-09-12 1991-04-24 Minnesota Mining And Manufacturing Company Frontflächen-Fresnel-Reflektor für Flüssigkristallanzeige
EP0646831A1 (de) * 1988-09-12 1995-04-05 Minnesota Mining And Manufacturing Company Frontflächen-Fresnel-Reflektor für Flüssigkristallanzeige

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