1. An image processing device that converts a color value on a first color space into a different color value corresponding to a second color on a second color space, the device comprising:
a first color conversion unit that converts the color value in the first color space into the different color value without adjusting a gray axis; and
a second color conversion unit that adjusts the gray axis in the first color space after the color value has been converted into the different color value.
2. The image processing device according to claim 1,
the first color conversion unit converting the color value in accordance with a first color conversion table that correlates the color value on a part other than the gray axis with a correlating color value and adapts the color value on the part other than the gray axis to the second color of the second color space.
3. A color conversion table creating device that creates a color conversion table for performing a color conversion of a color value on a first color space into a color value on a second color space, the device comprising:
a first color space setting unit that sets a color area of the first color space; and
a first color conversion table creating unit that (1) converts the color value in the set color area of the first color space without converting a gray axis part of the color value and (2) creates a first color conversion table that correlates the color value on a part other than the gray axis part with a correlating color value that adapts the color value on the part other than the gray axis part to the color value on the second color space.
4. The color conversion table creating device according to claim 3, further comprising a second color conversion table acquiring unit that acquires a second color conversion table to adjust a gray axis part of the color value of the second color space with respect to the color value on the first color space.
5. The color conversion table creating device according to claim 4,
the first color conversion table creating unit converting the color value on the first color space into a device-independent color value on a device-independent color space, and in the device-independent color space, corrects the gray axis part of the color value on the first color space to the color value on the gray axis part adjusted by the second color conversion table in the second color space so as to not convert the corrected gray axis part of the color value on the first color space.
6. The color conversion table creating device according to claim 5, the first color conversion table creating unit correlating, for the color value on the part other than the gray axis part in the first color space, a color value closer to the gray axis part of the first color space with a color value closer to the gray axis part in the second color space, in the device-independent color space.
7. The color conversion table creating device according to claim 6, the first color conversion table creating unit carrying out the color conversion to the second color space from the device-independent color space in consideration of the output characteristic of a display device after the application of the second color conversion table.
8. The color conversion table creating device according to claim 4, the first color conversion table creating unit correlating the color value on the part other than the gray axis part on the first color space so that the color value of low saturation comes close to the color value on the first color space and so that the color value of high saturation comes close to the color value on the second color space.
9. The color conversion table creating device according to claim 8, the first color conversion table creating unit correlating an outermost color value of the color area in the first color space with an outermost color value of the color area in the second color space.
10. The color conversion table creating device according to claim 8, the first color conversion table creating unit converting the color value on the first color space into a color value on an HSI color space to correlate the color value in the HSI color space.
11. The color conversion table creating device according to claim 8, the first color conversion table creating unit carrying out the color conversion to the second color space from the HSI color space in consideration of an output characteristic of the display device after the application of the second color conversion table.
12. The color conversion table creating device according to claim 8, the first color conversion table creating unit adjusting the range of the color value of high saturation.
13. The color conversion table creating device according to claim 8, the first color conversion table creating unit adjusting a change amount of a hue by the color conversion of the first color conversion table.
14. A display device comprising the image processing device of claim 1.
15. An image processing method that converts a color value on a first color space into a different color value corresponding to a second color on a second color space, the method comprising:
a first color conversion process that converts the color value in the first color space into the different color value without adjusting the gray axis; and
a second color conversion process that adjusts the gray axis in the first color space after the color value has been converted into the different color value.
16. A color conversion table creating method that creates a color conversion table for performing a color conversion of a color value on a first color space into a color value on a second color space, the method comprising:
a first color space setting process that sets a color area of the first color space; and
a first color conversion table creating process that (1) converts the color value in the set color area of the first color space without converting a gray axis part of the color value and (2) creates a first color conversion table that correlates the color value or the part other than the gray axis part with a correlating color value that adapts the color value on the part other than the gray axis part to the color value on the second color space.
17. A method of manufacturing a display device that carries out color conversion in accordance with a color conversion table, the method comprising:
a first color space setting process that sets a color area of the first color space;
a first color conversion table creating process that (1) converts the color value in the set color area of the first color space without converting a gray axis part of the color value and (2) creates a first color conversion table that correlates the color value on the part other than the gray axis part with a correlating color value that adapts the color value on the part other than the gray axis part to the color value on the second color space; and
a table storing process that stores the created first color conversion table in the display device.
18. A display device comprising:
a color mode setting unit that sets a color mode;
a color output characteristic data generating unit that outputs a screen of a prescribed color;
a detecting unit that detects the color tones of the screen;
a second color conversion table creating unit that determines a target gray characteristic corresponding to the set color mode and creates a second color conversion table that calculates output values and correlates a gray-axis part of the detected color tones with the output values;
a second color conversion executing unit that corrects the detected color tones without adjusting the gray axis in accordance with the output values of the second color conversion table, and outputs the corrected color tones; and
a first color conversion table creating unit that conducts a gray axis correction of the corrected color tones.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An ink for ink jet recording, comprising an aqueous medium and a magenta dye dissolved or dispersed in the aqueous medium, the magenta dye being selected from azo dyes,
wherein the magenta dye has an absorption maximum in a spectral range of from 500 to 580 nm in the aqueous medium and an oxidation potential of more positive than 1.0 V (vs SCE), and
the azo dye is a dye represented by the following formula (1): Formula (1)
wherein A represents a 5-membered heterocyclic ring group; B1 and B2 each represents \u2550CR1\u2014 or \u2014CR2\u2550 or one of B1 and B2 represents a nitrogen atom while other represents \u2550CR1\u2014 or \u2014CR2\u2550; R5 and R6 each independently represents a hydrogen atom or a substituent which is an aliphatic group, an aromatic group, a heterocyclic ring, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group or a sulfamoyl group, a hydrogen atom of the substituent may be substituted: G, R1 and R2 each independently represents a hydrogen atom or a substituent which is a halogen atom, an aliphatic group, an aromatic group, a heterocyclic ring group, a cyano group, a carboxyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a heterocyclic oxycarbonyl group, an acyl group, a hydroxy group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, a silyloxy group, an acyloxy group, a carbamoyloxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group, an acylamino group, an ureido group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a heterocyclic sulfonylamino group, a nitro group, an alkylthio group, an arylthio group, a heterocyclic thio group, an alkylsulfonyl group, an arylsulfonyl group, a heterocyclic sulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a heterocyclic sulfinyl group, a sulfamoyl group or a sulfo group, wherein a hydrogen atom of the substituent may be substituted; and R1 and R5 or R5 and R6 may be connected to each other to form a 5- or 6-membered ring.
2. The ink for ink jet recording according to claim 1, wherein the azo dye has one of an aromatic cyclic amino group and a heterocyclic amino group-containing structure as an auxochrome.
3. The ink for ink jet recording according to claim 1, wherein the azo dye has a stereostructure.
4. The ink for ink jet recording according to claim 1,
wherein the ink has an ozone fading rate constant of a recorded image, the ozone fading rate constant is 5.0\xd710\u22122hr\u22121 or less.
5. The ink for ink jet recording according to claim 1, which has a viscosity of from 1 to 20 mPa\xb7sec at 25\xb0 C.
6. The ink for ink jet recording according to claim 1, which has a static surface tension of from 25 to 50 mNm at 25\xb0 C.
7. The ink for ink jet recording according to claim 1, which has an electrical conductance of from 0.01 to 10 Sm.
8. The ink for ink jet recording according to claim 1,
wherein a change of a viscosity and a surface tension of the ink from at 25\xb0 C. to at 10\xb0 C. are 250% or less and 130% or less, respectively.
9. The ink for ink jet recording according to claim 1,
wherein the ink has no visibly detectable bleeding on an image-receiving material at a visible distance, the image-receiving material comprises an image-receiving layer on a support, and the image-receiving layer contains a white inorganic pigment particle.
10. The ink for ink jet recording according to claim 1,
which has no visibly detectable bleeding on an image-receiving material at a visible distance, the image-receiving material comprising a gelatin-containing hardened layer as an image-recording layer.
11. A method for producing the ink for ink jet recording according to claim 1,
which comprises a step of dissolving or dispersing the azo dye in the aqueous medium with an ultrasonic agitation.
12. A method for producing the ink for ink jet recording according to claim 1,
which comprises steps of: filtering the aqueous medium having the azo dye dissolved or dispersed in the aqueous medium through a filter having an effective pore diameter of 1 \u03bcm or less; and defoaming the filtered aqueous medium.
13. An ink jet recording method using the ink for ink jet recording according to claim 1.
14. The ink jet recording method according to claim 13,
wherein an ink droplet is ejected onto an image-receiving material in accordance with a recording signal so that an image is recorded on the image-receiving material by using the ink for ink jet recording, the image-receiving material comprising an image-receiving layer on a support, the image-receiving layer containing a white inorganic pigment particle.
15. The ink jet recording method according to claim 14,
wherein the image-receiving layer contains the white inorganic pigment particle and at least one aqueous binder selected from the group consisting of a polyvinyl alcohol, a silanol-modified polyvinyl alcohol, a starch, a cationated starch, a gelatin, a carboxyalkyl cellulose, a casein and a polyvinyl pyrrolidone.
16. The ink jet recording method according to claim 15, wherein the image-receiving layer further contains a mordant selected from the group consisting of a polyaluminum chloride, a chromium compound and an azo dye-mordanting group-containing polymer.