US PATENT SUBCLASS 359 / 265
.~.~.~.~ Electrochromic

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

237  DF  OPTICAL MODULATOR {3}
238  DF  .~ Light wave temporal modulation (e.g., frequency, amplitude, etc.) {3}
240  DF  .~.~ Changing bulk optical parameter {5}
245  DF  .~.~.~ Electro-optic {11}
265.~.~.~.~ Electrochromic {3}
266  DF  .~.~.~.~.~> Particular nonplanar electrode arrangement
267  DF  .~.~.~.~.~> Reflection-type (e.g., display device) {7}
275  DF  .~.~.~.~.~> Transmission-type (e.g., windows)

DEFINITION

Classification: 359/265

Electrochromic:

(under subclass 245) Subject matter wherein the electrical signal applied to the optical control element produces a color change in the element resulting in a change in the absorption characteristics of the element at a given wavelength of light.

SEE OR SEARCH CLASS

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

49, and 105 for selective electrical control of displays having electrochromic display elements.

349, Liquid Crystal Cells, Elements and Systems, appropriate subclasses for liquid crystal light modulators.