(under the class definition) Subject matter which include a liquid or solid material that produces radiant energy in response to excitation.
(1) Note. Included here, for example, are electroluminescent and electrochemiluminescent devices.
(2) Note. See the class definition for fluorescent and phosphorescent screens, coatings, and compositions, and the method for coating bases with fluorescent or phosphorescent materials.
SEE OR SEARCH THIS CLASS, SUBCLASS:
461+, for cathode ray devices having a fluorescent screen.
SEE OR SEARCH CLASS
315, Electric Lamp and Discharge Devices: Systems, appropriate subclasses, for electric systems for supplying electric energy to electric lamps which are provided with a fluorescent or phosphorescent material. Note that systems for supplying electric energy to electronic tubes which are provided with a fluorescent or phosphorescent material for the purpose of emitting light are considered to be lamp systems classified in Class 315. 345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,
36, 37, 41+, 44+, 47, 60+, 73, 74+, 76+, and 82+ for selective electrically controlled visual display systems.
362, Illumination,
84, for illuminating devices which have combined therewith a fluorescent or phosphorescent material.