Color print head

Details Color print head Color print head

1994-02-03

1997-01-07

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347122, 347232, 347238, 313495, 313497, G01D 1514, H01J 146

Patent

active

055922058

ABSTRACT:
A color print head capable of carrying out color display by means of a single kind of phosphor, forming luminous dots into an accurate configuration and positioning the luminous dots with high accuracy. Three luminous blocks are provided on an inner surface of a substrate. The luminous blocks each include four strip-like anode conductors arranged so as to extend in a direction parallel to a main scanning direction. The anode conductors are formed with through-holes of the same configuration in a manner to be obliquely arranged at the same intervals. The through-holes each are provided therein with a ZnO:Zn phosphor. The substrate is provided on an outer surface thereof with color filters for the respective luminous blocks, to thereby take out primary colors. Light emitted from each of the luminous blocks is guided through each of the color filters and irradiated on the same position, resulting in desired color display being reproduced.

REFERENCES:
patent: 4563613 (1986-01-01), Genovese et al.
patent: 4661743 (1987-04-01), Matsuoka et al.
patent: 4701670 (1987-10-01), Watanabe et al.
patent: 5105281 (1992-04-01), Kusaka

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