CA970065A - Electro-optical display device and method - Google Patents

Electro-optical display device and method

Info

Publication number
CA970065A
CA970065A CA151,492A CA151492A CA970065A CA 970065 A CA970065 A CA 970065A CA 151492 A CA151492 A CA 151492A CA 970065 A CA970065 A CA 970065A
Authority
CA
Canada
Prior art keywords
electro
display device
optical display
optical
display
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
Application number
CA151,492A
Other versions
CA151492S (en
Inventor
David P. Hamblen
George C. Higgins
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of CA970065A publication Critical patent/CA970065A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
    • F21K2/06—Non-electric light sources using luminescence; Light sources using electrochemiluminescence using chemiluminescence
    • F21K2/08—Non-electric light sources using luminescence; Light sources using electrochemiluminescence using chemiluminescence activated by an electric field, i.e. electrochemiluminescence
    • 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
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/02—Frequency-changing of light, e.g. by quantum counters
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Luminescent Compositions (AREA)
CA151,492A 1971-10-26 1972-09-12 Electro-optical display device and method Expired CA970065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19241471A 1971-10-26 1971-10-26

Publications (1)

Publication Number Publication Date
CA970065A true CA970065A (en) 1975-06-24

Family

ID=22709547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,492A Expired CA970065A (en) 1971-10-26 1972-09-12 Electro-optical display device and method

Country Status (5)

Country Link
JP (1) JPS4852194A (en)
CA (1) CA970065A (en)
DE (1) DE2252398A1 (en)
FR (1) FR2158952A5 (en)
GB (1) GB1378589A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158703A (en) * 1991-04-03 1992-10-27 Mitsui Toatsu Chemicals Inc. Resin composition for ultraviolet luminescent screen
KR20150042960A (en) * 2013-10-14 2015-04-22 서울바이오시스 주식회사 watch having dectecting function of counterfeit money

Also Published As

Publication number Publication date
GB1378589A (en) 1974-12-27
DE2252398A1 (en) 1973-05-03
JPS4852194A (en) 1973-07-21
FR2158952A5 (en) 1973-06-15

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