Heat transfer sheet

摘要

PCT No. PCT/JP91/01273 Sec. 371 Date May 21, 1992 Sec. 102(e) Date May 21, 1992 PCT Filed Sep. 25, 1991 PCT Pub. No. WO92/05032 PCT Pub. Date Apr. 2, 1992.A dye and a heat transfer sheet for use in a heat transfer printing method employing a sublimable dye, capable of producing an image which has a sufficiently high density and is excellent in sharpness, fastness properties and, in particular, resistance to light are provided. The dye has the following formula (I): The heat transfer sheet includes a substrate sheet, and a dye layer including the dye having formula (I), provided on one surface of the substrate sheet.