Patent · US Expired

Method of making a color filter array element using a heated embossed surface

US4978652A · kind A · utility

7Cited by
1References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 18, 1989
Grant dateDec 18, 1990
Priority date
Expiry dateSep 18, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133516
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A method of making an array of a repeating mosaic pattern of colorants carried on a support using PA1 (a) a plurality of donor materials each comprising respectively a sublimable dye of a different color, and PA1 (b) a receiver element comprising a support having thereon a dye-receiving layer, wherein each donor material is in turn brought into face-to-face contact with the receiver and heated patternwise by contact with a heated embossed surface to transfer the desired pattern of dye to the dye-receiving layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.