Mixture of yellow and magenta dyes to form a red hue for color filter array element

Claim 2

A thermally-transferred color filter array element comprising a transparent support having thereon a thermally transferred image comprising a repeating mosaic pattern of colorants in a receiving layer, one of said colorants being a mixture of a yellow dye and a magenta dye to form a red hue, said yellow dye having the formula: ##STR51## wherein R is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; or represents the atoms which when taken together with Z forms a 5- or 6-membered ring; R 1 is an alkylene or substituted alkylene group; X is --OJO--, --OJ--, --JO--, --OJNR 3 --, --NR 3 J--, --NR 3 JNR 3 , --JNR 3 -- or --NR 3 JO--; J is CO or SO 2 ; R 3 is hydrogen; a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms; or represents the atoms which when taken together with R 2 forms a 5- or 6-membered ring; R 2 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms; or represents the atoms which when taken together with R 3 forms a 5- or 6-membered ring; Z is hydrogen or represents the atoms which when taken together with R forms a 5- or 6-membered ring; Y is a substituted or unsubstituted alkyl or alkoxy group of from 1 to about 6 carbon atoms or halogen; and n is a positive integer from 1 to 4; and said magenta dye having the formula: ##STR52## wherein R 4 and R 5 may each independently be hydrogen, substituted or unsubstituted alkyl or allyl of from 1 to about 6 carbon atoms, substituted or unsubstituted cycloalkyl of from about 5 to about 7 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms; or R 4 and R 5 may be taken together to form a ring; or a 5 or membered heterocyclic ring may be formed with R 4 or R 5 , the nitrogen to which R 4 or R 5 is attached, and either carbon atom ortho to the carbon attached to said nitrogen atom; R 6 may be may be hydrogen, substituted or unsubstituted alkyl of from 1 to about 6 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms, alkylthio or halogen; B may be substituted or unsubstituted alkyl of from 1 to about 6 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms or NHA, where A is an acyl or sulfonyl radical; and Q may be cyano, thiocyanato, alkylthio or alkoxycarbonyl.

Claim 3

The element of claim 1 wherein said receiving layer comprises a polycarbonate binder having a T g greater than about 200° C.

Claim 4

The element of claim 2 wherein said polycarbonate is derived from a bisphenol component comprising a diphenyl methane moiety.

Claim 5

The element of claim 1 wherein said R in said structural formula I represents the atoms which are taken together with Z to form a 6-membered ring.

Claim 6

The element of claim 1 wherein said R 6 in said structural formula II is methyl and Z is CN.

Claim 7

The element of claim 1 wherein said pattern consists of a set of red, green and blue additive primaries.

Claim 8

The element of claim 6 wherein each area of said primary color and each said set of primary colors are separated from each other by an opaque area.

Claim 9

The element of claim 1 wherein said thermally transferred image is obtained using laser induction.

Claim 10

The element of claim 1 wherein said thermally transferred image is obtained using a high intensity light flash.

Claim 11

The element of claim 1 wherein said support is glass.

Claim 12

A process of forming a color filter array element comprising (a) imagewise heating a dye donor element comprising a support having thereon a dye layer, and (b) transferring portions of said dye layer to a dye receiving element comprising a transparent support having thereon a dye-receiving layer, said imagewise heating being done in such a way as to Produce a repeating mosaic pattern of dyes to form said color filter array element, one of said dyes being a mixture of a yellow dye and a magenta dye to form a red hue, said yellow dye having the formula: ##STR53## wherein R is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; or represents the atoms which when taken together with Z forms a 5- or 6- membered ring; R 1 is an alkylene or substituted alkylene group; X is --OJO--, --OJ--, --JO--, --OJNR 3 --, --NR 3 J--, --NR 3 JNR 3 --, --JNR 3 -- or --NR 3 JO--; J is CO or SO 2 ; R 3 is hydrogen; a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms; or represents the atoms which when taken together with R 2 forms a 5 or 6 membered ring; R 2 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms; or represents the atoms which when taken together with R 3 forms a 5- or 6-membered ring; Z is hydrogen or represents the atoms which when taken together with R forms a 5- or 6-membered ring; Y is a substituted or unsubstituted alkyl or alkoxy group of from 1 to about 6 carbon atoms or halogen; and n is a positive integer from 1 to 4; and said magenta dye having the formula: ##STR54## wherein R 4 and R 5 may each independently be hydrogen, substituted or unsubstituted alkyl or allyl of from 1 to about 6 carbon atoms, substituted or unsubstituted cycloalkyl of from about 5 to about 7 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms; or R 4 and R 5 may be taken together to form a ring; or a 5 or 6 membered heterocyclic ring may be formed with R 4 or R 5 , the nitrogen to which R 4 or R 5 is attached, and either carbon atom ortho to the carbon attached to said nitrogen atom; R 6 may be hydrogen, substituted or unsubstituted alkyl of from 1 to about 6 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms, alkylthio or halogen; B may be substituted or unsubstituted alkyl of from 1 to about 6 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms or NHA, where A is an acyl or sulfonyl radical; and Q may be cyano, thiocyanato, alkylthio or alkoxycarbonyl.

Claim 13

A process of forming a color filter array element comprising (a) imagewise heating a dye donor element comprising a support having thereon a dye layer, and (b) transferring portions of said dye layer to a dye receiving element comprising a transparent support having thereon a dye-receiving layer, said imagewise heating being done in such a way as to Produce a repeating mosaic pattern of dyes to form said color filter array element, one of said dyes being a mixture of a yellow dye and a magenta dye to form a red hue, said yellow dye having the formula: ##STR53## wherein R is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; or represents the atoms which when taken together with Z forms a 5- or 6- membered ring; R 1 is an alkylene or substituted alkylene group; X is --OJO--, --OJ--, --JO--, --OJNR 3 --, --NR 3 J--, --NR 3 JNR 3 --, --JNR 3 -- or --NR 3 JO--; J is CO or SO 2 ; R 3 is hydrogen; a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms; or represents the atoms which when taken together with R 2 forms a 5 or 6 membered ring; R 2 is a substituted or unsubstituted alkyl group of from 1 to about 10 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms; or represents the atoms which when taken together with R 3 forms a 5- or 6-membered ring; Z is hydrogen or represents the atoms which when taken together with R forms a 5- or 6-membered ring; Y is a substituted or unsubstituted alkyl or alkoxy group of from 1 to about 6 carbon atoms or halogen; and n is a positive integer from 1 to 4; and said magenta dye having the formula: ##STR54## wherein R 4 and R 5 may each independently be hydrogen, substituted or unsubstituted alkyl or allyl of from 1 to about 6 carbon atoms, substituted or unsubstituted cycloalkyl of from about 5 to about 7 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms; or R 4 and R 5 may be taken together to form a ring; or a 5 or 6 membered heterocyclic ring may be formed with R 4 or R 5 , the nitrogen to which R 4 or R 5 is attached, and either carbon atom ortho to the carbon attached to said nitrogen atom; R 6 may be hydrogen, substituted or unsubstituted alkyl of from 1 to about 6 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms, alkylthio or halogen; B may be substituted or unsubstituted alkyl of from 1 to about 6 carbon atoms, substituted or unsubstituted aryl of from about 5 to about 10 carbon atoms or NHA, where A is an acyl or sulfonyl radical; and Q may be cyano, thiocyanato, alkylthio or alkoxycarbonyl.

Claim 14

The process of claim 11 wherein said receiving layer comprises a polycarbonate binder having a T g greater than about 200° C.

Claim 15

The process of claim 12 wherein said polycarbonate is derived from a bisphenol component comprising a diphenyl methane moiety.

Claim 16

The process of claim 11 wherein said R in said structural formula I represents the atoms which are taken together with Z to form a 6-membered ring.

Claim 17

The process of claim 11 wherein said R 6 in said structural formula II is methyl and Z is CN.

Claim 18

The process of claim 11 wherein said dye donor element contains a light-absorbing material in addition to said dyes.

Claim 19

The process of claim 16 wherein a laser is used to supply energy in said imagewise heating step.

Claim 20

The process of claim 16 wherein a high intensity light flash is used to supply energy in said imagewise heating step.

Claim 21

The process of claim 11 which includes a further step of heating the transferred image to further diffuse the dye into said dye-receiving layer.

Claim 22

The process of claim 11 which includes a further step of subjecting the transferred image to solvent vapor to further diffuse the dye into said dye receiving layer.