Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
166 words
A process of making a color filter array element comprising a) exposing to light through a negative grid pattern a photo-hardenable element comprising a support having thereon a coating comprising a water-soluble polymer; a water-soluble dichromate salt; and up to 1 g/m 2 of a black pigment, black dye or dyes providing an opaque color, or a precursor thereof; b) washing said element with a solvent to remove the unexposed areas of said element, leaving a grid line pattern of hardened polymeric substance on said element; c) drying said element to produce open cells on said support divided by opaque lines of said hardened polymeric substance greater than 0.3 μm in height above said support; d) coating said cellular element with a polymeric dye-receiving layer; and e) thermally transferring individual dyes to form a color filter array element comprising a repeating mosaic pattern of colorants in a polymeric binder, said pattern being made up of color patches bounded by said opaque lines in a grid pattern.
Claim 2
Dependent Claim
166 words
A process of making a color filter array element comprising a) exposing to light through a negative grid pattern a photo-hardenable element comprising a support having thereon a coating comprising a water-soluble polymer; a water-soluble dichromate salt; and up to 1 g/m 2 of a black pigment, black dye or dyes providing an opaque color, or a precursor thereof; b) washing said element with a solvent to remove the unexposed areas of said element, leaving a grid line pattern of hardened polymeric substance on said element; c) drying said element to produce open cells on said support divided by opaque lines of said hardened polymeric substance greater than 0.3 μm in height above said support; d) coating said cellular element with a polymeric dye-receiving layer; and e) thermally transferring individual dyes to form a color filter array element comprising a repeating mosaic pattern of colorants in a polymeric binder, said pattern being made up of color patches bounded by said opaque lines in a grid pattern.
Claim 3
Dependent Claim
176 words
A process of making a color filter array element comprising a) exposing to light through a negative grid pattern a photo-hardenable element comprising a support having thereon a coating comprising a water-soluble polymer and a water-soluble dichromate salt; b) washing said element with a solvent to remove the unexposed areas of said element, leaving a grid line pattern of hardened polymeric substance on said element; c) soaking said element in a solution of black dye or dyes providing a black, opaque color of sufficient concentration to provide a laydown of up to 1.0 g/m 2 , d) drying said element to produce open cells on said support divided by opaque lines of said hardened polymeric substance greater than 0.3 μm in height above said support; e) coating said cellular element with a polymeric dye-receiving layer; and f) thermally transferring individual dyes to form a color filter array element comprising a repeating mosaic pattern of colorants in a polymeric binder, said pattern being made up of color patches bounded by said opaque lines in a grid pattern.
Claim 4
Dependent Claim
176 words
A process of making a color filter array element comprising a) exposing to light through a negative grid pattern a photo-hardenable element comprising a support having thereon a coating comprising a water-soluble polymer and a water-soluble dichromate salt; b) washing said element with a solvent to remove the unexposed areas of said element, leaving a grid line pattern of hardened polymeric substance on said element; c) soaking said element in a solution of black dye or dyes providing a black, opaque color of sufficient concentration to provide a laydown of up to 1.0 g/m 2 , d) drying said element to produce open cells on said support divided by opaque lines of said hardened polymeric substance greater than 0.3 μm in height above said support; e) coating said cellular element with a polymeric dye-receiving layer; and f) thermally transferring individual dyes to form a color filter array element comprising a repeating mosaic pattern of colorants in a polymeric binder, said pattern being made up of color patches bounded by said opaque lines in a grid pattern.
Claim 5
Dependent Claim
30 words
The process of claim 1 wherein said opaque lines are about 10 μm to 60 μm in width and are separated from each other by 100 μm to 600 μm.
Claim 6
Dependent Claim
30 words
The process of claim 2 wherein said opaque lines are about 10 μm to 60 μm in width and are separated from each other by 100 μm to 600 μm.
Claim 7
Dependent Claim
10 words
The process of claim 1 wherein said support is glass.
Claim 8
Dependent Claim
10 words
The process of claim 2 wherein said support is glass.
Claim 9
Dependent Claim
11 words
The process of claim 1 wherein said water-soluble polymer is gelatin.
Claim 10
Dependent Claim
11 words
The process of claim 2 wherein said water-soluble polymer is gelatin.
Claim 11
Dependent Claim
13 words
The process of claim 1 wherein said water-soluble dichromate salt is potassium dichromate.
Claim 12
Dependent Claim
13 words
The process of claim 2 wherein said water-soluble dichromate salt is potassium dichromate.
Claim 13
Dependent Claim
34 words
The process of claim 1 wherein said water-soluble polymer is present at a concentration of 1-5 g/m 2 and said dichromate salt is present at a concentration of 10-50 weight percent of said polymer.
Claim 14
Dependent Claim
34 words
The process of claim 2 wherein said water-soluble polymer is present at a concentration of 1-5 g/m 2 and said dichromate salt is present at a concentration of 10-50 weight percent of said polymer.
Claim 15
Dependent Claim
44 words
The process of claim 1 wherein said black pigment or dye employed is such that the average optical density between the wavelengths of 400-700 nm of the material is at least twice the average optical density between the wavelengths between 330 and 400 nm.
Claim 16
Dependent Claim
13 words
The process of claim 1 wherein said coating also contains a dye mordant.
Claim 17
Dependent Claim
13 words
The process of claim 2 wherein said coating also contains a dye mordant.
Claim 18
Dependent Claim
19 words
The process of claim 1 wherein said polymeric binder is cross-linked after transfer of said color filter array image.
Claim 19
Dependent Claim
19 words
The process of claim 2 wherein said polymeric binder is cross-linked after transfer of said color filter array image.
Claim 20
Dependent Claim
19 words
The process of claim 1 wherein said pattern consists of a set of red, green and blue additive primaries.
Claim 21
Dependent Claim
19 words
The process of claim 2 wherein said pattern consists of a set of red, green and blue additive primaries.
Claim 22
Dependent Claim
13 words
The process of claim 1 wherein said binder also contains a cross-linking agent.
Claim 23
Dependent Claim
13 words
The process of claim 2 wherein said binder also contains a cross-linking agent.