Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.

Abstract: A method for determining a blended color transform for use in producing printed colors on a color printer having at least four device color channels, comprising: forming first and second color transforms, wherein the first color transform produces printed colors that have a reduced sensitivity to color printer process variations in at least a first region of color space that includes a near-neutral color region, and wherein the second color transform produces printed colors that have a reduced image noise visibility in at least a second region of color space; defining a blending function which computes weighting values for the first and second color transforms as a function of input color values; and using a processor to determine the blended color transform by blending the first color transform and the second color transform, responsive to the blending function.

Abstract: A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.

Abstract: A method of controlling an RGBW electroluminescent display system that receives a three-component input image signal having triplets of intensity values in an image range and a highlight range includes transforming at least one of the triplets having an intensity value within the image range to a four-or-more-component drive signal to produce a luminance less than the sum of the corresponding luminance values of the red, green and blue light-emitting elements and transforming at least one of the intensity values within a triplet having an intensity value within the highlight range to a four-or-more-component drive signal to produce a luminance greater than the sum of the corresponding luminance values of the red, green, and blue light-emitting elements.

Abstract: A method for determining a blended color transform for use in producing printed colors on a color printer having at least four device color channels, comprising: forming first and second color transforms, wherein the first color transform produces printed colors that have a reduced sensitivity to color printer process variations in at least a first region of color space that includes a near-neutral color region, and wherein the second color transform produces printed colors that have a reduced image noise visibility in at least a second region of color space; defining a blending function which computes weighting values for the first and second color transforms as a function of input color values; and using a processor to determine the blended color transform by blending the first color transform and the second color transform, responsive to the blending function.

Abstract: A method of displaying on a display a visual reproduction of an original scene with a preferential tone mapping; said display having a selected display white point and a selected display black point separated by more than 3.5 decades of luminance; the method comprising the steps of capturing original scene parameters, performing a transformation on said captured scene parameters, and displaying a visual reproduction of the scene on the display from the transformed captured scene parameters; wherein said transformation, taken in conjunction with untransformed characteristics of the capturing and displaying steps, results in a reproduced tone mapping having: a. a dynamic range greater than 3.5 decades; b. a first derivative value of minus log reproduced luminance relative to log original scene luminance between ?1.1 and ?1.51 inclusive for a log scene luminance of ?0.6, measured relative to a 100% diffuse reflector in the original scene; c. a first derivative value less than or equal to ?1.

Abstract: A blue color filter having a blue filter layer comprising a first pigment having a maximum absorption at a wavelength within the range of from 550 to 650 nm, and a second pigment having a maximum absorption at a shorter wavelength than the first pigment within the range of from 500 to 600 nm, wherein the blue filter layer has chromaticity coordinates (x, y) in the 1931 CIE XYZ calorimetric system, calculated using CIE Standard Illuminant D65, that satisfy the expressions 0.134?x?0.15 and 0.03?y?0.06.

Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.

Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.

Abstract: A red color filter having a red filter layer comprising a pigment having a maximum absorption at a wavelength within the range of from 450 to 575 nm, wherein the red filter layer has chromaticity coordinates (x, y) in the 1931 CIE XYZ calorimetric system, calculated using CIE Standard illuminant D65, that satisfy the expressions 0.665?x?0.68 and 0.30?y?0.34.

Abstract: A green color filter having a green filter layer comprising a bridged aluminum phthalocyanine pigment and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm.

Abstract: A method for calibrating a display device having four or more channels, including three main channels which include in their gamut a desired display white point, and one or more further channels, said display device also having one or more individual adjustment controls for each channel. The method uses a series of targets, which are each one or more activated display settings at which the luminance and chromaticity coordinates are measured and recorded.

Abstract: A green color filter having a green filter layer comprising a bridged aluminum phthalocyanine pigment and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm.

Abstract: A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.

Abstract: A method of controlling an RGBW electroluminescent display system that receives a three-component input image signal having triplets of intensity values in an image range and a highlight range includes transforming at least one of the triplets having an intensity value within the image range to a four-or-more-component drive signal to produce a luminance less than the sum of the corresponding luminance values of the red, green and blue light-emitting elements and transforming at least one of the intensity values within a triplet having an intensity value within the highlight range to a four-or-more-component drive signal to produce a luminance greater than the sum of the corresponding luminance values of the red, green, and blue light-emitting elements.

Abstract: A method of displaying on a display a visual reproduction of an original scene with a preferential tone mapping; said display having a selected display white point and a selected display black point separated by more than 3.5 decades of luminance; the method comprising the steps of capturing original scene parameters, performing a transformation on said captured scene parameters, and displaying a visual reproduction of the scene on the display from the transformed captured scene parameters; wherein said transformation, taken in conjunction with untransformed characteristics of the capturing and displaying steps, results in a reproduced tone mapping having: a. a dynamic range greater than 3.5 decades; b. a first derivative value of minus log reproduced luminance relative to log original scene luminance between ?1.1 and ?1.51 inclusive for a log scene luminance of ?0.6, measured relative to a 100% diffuse reflector in the original scene; c. a first derivative value less than or equal to ?1.

Abstract: A method for calibrating a display device having four or more channels, including three main channels which include in their gamut a desired display white point, and one or more further channels, said display device also having one or more individual adjustment controls for each channel. The method uses a series of targets, which are each one or more activated display settings at which the luminance and chromaticity coordinates are measured and recorded.

Abstract: A method for transforming three color-input signals (R, G, B) corresponding to three gamut-defining color primaries of a display to four color-output signals (R?, G?, B?, W) corresponding to the gamut-defining color primaries and one additional primary of the display, where the additional primary has color that varies with drive level, comprising: a) determining a relationship between drive level of the additional primary and intensities of the three gamut-defining primaries which together produce equivalent color over a range of drive levels for the additional primary; and b) employing the three color-input signals R, G, B and the relationship defined in a) to determine a value for W of the four color-output signals, and modification values to be applied to one or more of the R, G, B components of the three color-input signals to form the R?, G?, B? values of the four color-output signals.

Abstract: A blue color filter having a blue filter layer comprising a first pigment having a maximum absorption at a wavelength within the range of from 550 to 650 nm, and a second pigment having a maximum absorption at a shorter wavelength than the first pigment within the range of from 500 to 600 nm, wherein the blue filter layer has chromaticity coordinates (x, y) in the 1931 CIE XYZ calorimetric system, calculated using CIE Standard Illuminant D65, that satisfy the expressions 0.134?x?0.15 and 0.03?y?0.06.

Abstract: An electronic display containing a light source and a color filter set, the color filter set comprising: a green color filter having a green filter layer comprising a first pigment having its maximum absorption at a wavelength from 600 to 700 nm wherein at least 90 volume percent of the first pigment particles have a particle size less than 300 nm, and a second pigment having its maximum absorption at a wavelength from 400 to 500 nm wherein at least 90 volume percent of the second pigment particles have a particle size less than 300 nm, and wherein the green filter layer has a transmittance of 60% or more at a wavelength of 520 nm and of no more than 10% at a wavelength of 480 nm and of no more than 10% at a wavelength of 590 nm; a blue color filter having a blue filter layer; a red color filter having a red filter layer; and wherein the color gamut defined by the electronic display has a % NTSCx,y ratio greater than 88%.