US PATENT SUBCLASS 345 / 105
.~.~.~ 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}
55  DF  .~ Display elements arranged in matrix (e.g., rows and columns) {10}
84  DF  .~.~ Light-controlling display elements {6}
105.~.~.~ Electrochromic elements

DEFINITION

Classification: 345/105

Electrochromic elements:

(under subclass 84) Subject matter wherein the color of the display elements* is changed by application of an externally applied electric field.

SEE OR SEARCH THIS CLASS, SUBCLASS:

49, for segmented electrochromic display devices.

SEE OR SEARCH CLASS

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

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