DE2512548A1 - Datenanzeigevorrichtung mit fluessigkristallen - Google Patents

Datenanzeigevorrichtung mit fluessigkristallen

Info

Publication number
DE2512548A1
DE2512548A1 DE19752512548 DE2512548A DE2512548A1 DE 2512548 A1 DE2512548 A1 DE 2512548A1 DE 19752512548 DE19752512548 DE 19752512548 DE 2512548 A DE2512548 A DE 2512548A DE 2512548 A1 DE2512548 A1 DE 2512548A1
Authority
DE
Germany
Prior art keywords
display device
luminous flux
optical
liquid crystal
entry
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
DE19752512548
Other languages
German (de)
English (en)
Inventor
Pierre Vovelle
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.)
CEPE
Compagnie Electronique et de Piezoelectricite CEPE
Original Assignee
CEPE
Compagnie Electronique et de Piezoelectricite CEPE
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 CEPE, Compagnie Electronique et de Piezoelectricite CEPE filed Critical CEPE
Publication of DE2512548A1 publication Critical patent/DE2512548A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G04G9/0041—Illumination devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electric Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE19752512548 1974-03-21 1975-03-21 Datenanzeigevorrichtung mit fluessigkristallen Pending DE2512548A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7409643A FR2265144A1 (en) 1974-03-21 1974-03-21 Data display using fluid crystals - is used in electronic watches and is illuminated via curved mirror and flat cover glass

Publications (1)

Publication Number Publication Date
DE2512548A1 true DE2512548A1 (de) 1975-09-25

Family

ID=9136655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752512548 Pending DE2512548A1 (de) 1974-03-21 1975-03-21 Datenanzeigevorrichtung mit fluessigkristallen

Country Status (2)

Country Link
DE (1) DE2512548A1 (https=)
FR (1) FR2265144A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029122A1 (de) * 1979-08-01 1981-02-26 Nissan Motor Fluessigkristall-anzeigevorrichtung fuer ein kraftfahrzeug

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7675683B2 (en) 2004-09-22 2010-03-09 Motion Research Corporation Ambient light display and system for displaying data
US8488246B2 (en) 2010-02-28 2013-07-16 Osterhout Group, Inc. See-through near-eye display glasses including a curved polarizing film in the image source, a partially reflective, partially transmitting optical element and an optically flat film
US9759917B2 (en) 2010-02-28 2017-09-12 Microsoft Technology Licensing, Llc AR glasses with event and sensor triggered AR eyepiece interface to external devices
US20150309316A1 (en) 2011-04-06 2015-10-29 Microsoft Technology Licensing, Llc Ar glasses with predictive control of external device based on event input
US9366862B2 (en) 2010-02-28 2016-06-14 Microsoft Technology Licensing, Llc System and method for delivering content to a group of see-through near eye display eyepieces
US8482859B2 (en) 2010-02-28 2013-07-09 Osterhout Group, Inc. See-through near-eye display glasses wherein image light is transmitted to and reflected from an optically flat film
US9229227B2 (en) 2010-02-28 2016-01-05 Microsoft Technology Licensing, Llc See-through near-eye display glasses with a light transmissive wedge shaped illumination system
US9223134B2 (en) 2010-02-28 2015-12-29 Microsoft Technology Licensing, Llc Optical imperfections in a light transmissive illumination system for see-through near-eye display glasses
US20120249797A1 (en) 2010-02-28 2012-10-04 Osterhout Group, Inc. Head-worn adaptive display
WO2011106797A1 (en) 2010-02-28 2011-09-01 Osterhout Group, Inc. Projection triggering through an external marker in an augmented reality eyepiece
US9182596B2 (en) 2010-02-28 2015-11-10 Microsoft Technology Licensing, Llc See-through near-eye display glasses with the optical assembly including absorptive polarizers or anti-reflective coatings to reduce stray light
US9097891B2 (en) 2010-02-28 2015-08-04 Microsoft Technology Licensing, Llc See-through near-eye display glasses including an auto-brightness control for the display brightness based on the brightness in the environment
US9341843B2 (en) 2010-02-28 2016-05-17 Microsoft Technology Licensing, Llc See-through near-eye display glasses with a small scale image source
US10180572B2 (en) 2010-02-28 2019-01-15 Microsoft Technology Licensing, Llc AR glasses with event and user action control of external applications
US9129295B2 (en) 2010-02-28 2015-09-08 Microsoft Technology Licensing, Llc See-through near-eye display glasses with a fast response photochromic film system for quick transition from dark to clear
US8477425B2 (en) 2010-02-28 2013-07-02 Osterhout Group, Inc. See-through near-eye display glasses including a partially reflective, partially transmitting optical element
US9091851B2 (en) 2010-02-28 2015-07-28 Microsoft Technology Licensing, Llc Light control in head mounted displays
US9134534B2 (en) 2010-02-28 2015-09-15 Microsoft Technology Licensing, Llc See-through near-eye display glasses including a modular image source
US9097890B2 (en) 2010-02-28 2015-08-04 Microsoft Technology Licensing, Llc Grating in a light transmissive illumination system for see-through near-eye display glasses
US8467133B2 (en) 2010-02-28 2013-06-18 Osterhout Group, Inc. See-through display with an optical assembly including a wedge-shaped illumination system
US9285589B2 (en) 2010-02-28 2016-03-15 Microsoft Technology Licensing, Llc AR glasses with event and sensor triggered control of AR eyepiece applications
US9128281B2 (en) 2010-09-14 2015-09-08 Microsoft Technology Licensing, Llc Eyepiece with uniformly illuminated reflective display
US8472120B2 (en) 2010-02-28 2013-06-25 Osterhout Group, Inc. See-through near-eye display glasses with a small scale image source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3029122A1 (de) * 1979-08-01 1981-02-26 Nissan Motor Fluessigkristall-anzeigevorrichtung fuer ein kraftfahrzeug
US4367923A (en) * 1979-08-01 1983-01-11 Nissan Motor Company, Limited Liquid crystal display unit for an automotive vehicle

Also Published As

Publication number Publication date
FR2265144B1 (https=) 1977-03-04
FR2265144A1 (en) 1975-10-17

Similar Documents

Publication Publication Date Title
DE2512548A1 (de) Datenanzeigevorrichtung mit fluessigkristallen
DE69424723T2 (de) Elektrolumineszente vorrichtung mit helligkeitsverbesserung
DE2138063C3 (de) Anzeigevorrichtung für Kleinuhren isbesondere Armbanduhren, mit einer flüssigkristallinen Schicht
DE4228962C2 (de) Optisches System zum Vergrößern eines Anzeigefeldes
DE3785938T2 (de) Optisches System.
DE3700286A1 (de) Verfahren zum beleuchten von in einem medium befindlichen partikeln fuer eine optische analyse und ein optischer partikelanalysator
DE3033141C2 (de) Lichtleiter in einem Anzeigetableau
DE891469C (de) Optisches System
DE675911C (de) Vorrichtung zum Messen von Truebungen in fluessigen oder gasfoermigen Stoffen
DE2614371B2 (de) Weitwinkelobjektiv
DE2021324A1 (de) Photometer fuer Beobachtungsgeraete,insbesondere fuer Mikroskope
DE1812856U (de) Fotoelektrischer umwandler fuer mechanische bewegungen in elektrische signale.
DE682869C (de) Vorrichtung zum Messen des Truebungsgrades von Fluessigkeiten
DE1172947B (de) Einspiegelungseinrichtung an Albada-Suchern fuer photographische Kameras
WO1993015377A1 (de) Messgerät
DE4000448A1 (de) Optisches system zur verwendung mit einem sucher
DE742533C (de) Lichtmarkenmessgeraet
DE719035C (de) Optisches System fuer Geraete, bei denen ein Auffaenger fuer eine Ultrarotstrahlung Verwendung findet
EP0075568A1 (de) Flächige beleuchtungseinrichtung
DE2938160A1 (de) Doppelbrechendes bauelement fuer polarisierende interferenzapparate
DE3038477A1 (de) Refraktometer zur edelsteinuntersuchung
WO2001059362A2 (de) Beleuchtungsvorrichtung für einen reflexiv betriebenen flachen bildschirm
DE3810639A1 (de) Mikroskopanordnung zur parallelen visuellen und optoelektronischen analyse
DE2620015A1 (de) Vorrichtung zur steuerung eines lichtstrahlenbuendels
DE2619655C2 (de) Lese- oder Betrachtungsgerät

Legal Events

Date Code Title Description
OHN Withdrawal