US PATENT SUBCLASS 345 / 49
.~.~.~ Electrochromic elements

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

30  DF  PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) {4}
33  DF  .~ Segmented display elements {7}
48  DF  .~.~ Light-controlling display elements {2}
49.~.~.~ Electrochromic elements

DEFINITION

Classification: 345/49

Electrochromic elements:

(under subclass 48) Subject matter in which the segmented display elements* include electrochromic display elements*, or elements made from a material with light absorption properties such that the material takes on a color upon the application of an electric field.

SEE OR SEARCH THIS CLASS, SUBCLASS:

105, for matrix electrochromic displays.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

265, for electrochromic light valve arrays without selective electrical control.