Accession Number : ADD011733

Title :   Electrochromic Display Device.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Nicholson,M M

Report Date : 19 Jul 1984

Pagination or Media Count : 35

Abstract : This invention relates to electrochromic devices. In one aspect it relates to electrically controllable display devices. In another aspect it relates to electrically tunable optical or light filters. In yet another aspect it relates to a chemical sensor device which employs a color changing film. There are many uses for electrically controllable display devices. A number of such devices have been in commercial use for some time. These display devices include liquid crystal displays, light emitting diode displays, plasma displays, and the like. Light emitting diode displays and plasma display panels both suffer from the fact that they are active. Light emissive devices which require substantial power for their operation, In addition, it is difficult to fabricate light emitting diode displays in a manner which renders them easily distinguishable under bright ambient illumination. Liquid crystal displays suffer from the disadvantage that they are operative only over a limited temperature range and have substantially no memory within the liquid crystal material.

Descriptors :   *PATENT APPLICATIONS, *CHROMATOGRAPHY, *DISPLAY SYSTEMS, OPTICAL FILTERS, BRIGHTNESS, CHEMICALS, DETECTORS, DIODES, ILLUMINATION, INVENTIONS, LIGHT EMITTING DIODES, LIMITATIONS, LIQUID CRYSTALS, MATERIALS, PASSIVE SYSTEMS, PLASMAS(PHYSICS), RANGE(EXTREMES), TEMPERATURE

Subject Categories : Industrial Chemistry and Chemical Processing
      Printing and Graphic Arts

Distribution Statement : APPROVED FOR PUBLIC RELEASE