(under subclass 204) Subject matter wherein the display elements* have a specified electrical power source and the power source includes means for controlling power supplied relative to a display element* characteristic; e.g., varied current for varied size of element.
SEE OR SEARCH CLASS
315, Electric Lamp and Discharge Devices: Systems,
169.1+, for combination of display and an energizing source not limited to selective electrical control of the resultant image.
323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for specifics of a power supply.
349, Liquid Crystal Cells, Elements and Systems,
19+, for a particular energizing source for a liquid crystal cell structure.
359, Optics: Systems (Including Communication) and Elements, 245+, for electro-optic displays and an energizing source not limited to selective electrical control of the resultant image; subclasses 265+ for electrochromic displays and an energizing source not limited to selective electrical control of the resultant image.
