US PATENT SUBCLASS 345 / 76
.~.~ Electroluminescent

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}
76.~.~ Electroluminescent {5}
77  DF  .~.~.~> Brightness or intensity control
78  DF  .~.~.~> Having compensating pulse
79  DF  .~.~.~> Field period polarity reversal
80  DF  .~.~.~> Driving means integral to substrate
81  DF  .~.~.~> Optical addressing (e.g., photodetection)

DEFINITION

Classification: 345/76

Electroluminescent:

(under subclass 55) Subject matter in which the light-generating display elements* emit light when an electric current is passed through dielectric and phosphor materials.

SEE OR SEARCH THIS CLASS, SUBCLASS:

36, and 45, for segmented electroluminescent element displays.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

169.3, for electroluminescent devices and circuitry without selective electrical control as to which of the display elements are to be energized.

340, Communications: Electrical,

825.81, for matrix electroluminescent elements not used as a display.