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
  • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
  • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
  • C09K11/04—Luminescent, e.g. electroluminescent, chemiluminescent materials containing natural or artificial radioactive elements or unspecified radioactive elements
• • 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

Landscapes

• Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Nonlinear Science (AREA)
• General Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Crystallography & Structural Chemistry (AREA)
• Mathematical Physics (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Organic Chemistry (AREA)
• Liquid Crystal (AREA)
• Devices For Indicating Variable Information By Combining Individual Elements (AREA)
• Electric Clocks (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=6001250

Family Applications (1)

Country Status (11)

Families Citing this family (5)

Family Cites Families (10)

• 1977
  • 1977-02-15 DE DE2706375A patent/DE2706375C3/de not_active Expired
  • 1977-12-07 CH CH1495477A patent/CH621458GA3/xx unknown
• 1978
  • 1978-02-09 FR FR7803643A patent/FR2380609A1/fr active Granted
  • 1978-02-13 AT AT0100478A patent/AT368294B/de not_active IP Right Cessation
  • 1978-02-13 IT IT20211/78A patent/IT1092686B/it active
  • 1978-02-14 NL NL7801664A patent/NL7801664A/xx not_active Application Discontinuation
  • 1978-02-14 CA CA296,925A patent/CA1108737A/en not_active Expired
  • 1978-02-14 GB GB5772/78A patent/GB1585751A/en not_active Expired
  • 1978-02-15 BE BE185194A patent/BE863987A/xx not_active IP Right Cessation
  • 1978-02-15 JP JP1638178A patent/JPS53101996A/ja active Pending
  • 1978-02-15 SE SE7801774A patent/SE7801774L/xx unknown

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