BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to color systems, and more specifically to a wide gamut color system with an increased number of primary colors.

2. Description of the Prior Art

It is generally known in the prior art to provide for an increased color gamut system within a display.

Prior art patent documents include the following:

U.S. Pat. No. 10,222,263 for RGB value calculation device by inventor Yasuyuki Shigezane, filed Feb. 6, 2017 and issued Mar. 5, 2019, is directed to a microcomputer that equally divides the circumference of an RGB circle into 6×n (n is an integer of 1 or more) parts, and calculates an RGB value of each divided color. (255, 0, 0) is stored as a reference RGB value of a reference color in a ROM in the microcomputer. The microcomputer converts the reference RGB value depending on an angular difference of the RGB circle between a designated color whose RGB value is to be found and the reference color, and assumes the converted RGB value as an RGB value of the designated color.

U.S. Pat. No. 9,373,305 for Semiconductor device, image processing system and program by inventor Hiorfumi Kawaguchi, filed May 29, 2015 and issued Jun. 21, 2016, is directed to an image process device including a display panel operable to provide an input interface for receiving an input of an adjustment value of at least a part of color attributes of each vertex of n axes (n is an integer equal to or greater than 3) serving as adjustment axes in an RGB color space, and an adjustment data generation unit operable to calculate the degree of influence indicative of a following index of each of the n-axis vertices, for each of the n axes, on a basis of distance between each of the n-axis vertices and a target point which is an arbitrary lattice point in the RGB color space, and operable to calculate adjusted coordinates of the target point in the RGB color space.

U.S. Publication No. 20130278993 for Color-mixing bi-primary color systems for displays by inventor Heikenfeld, et. al, filed Sep. 1, 2011 and published Oct. 24, 2013, is directed to a display pixel. The pixel includes first and second substrates arranged to define a channel. A fluid is located within the channel and includes a first colorant and a second colorant. The first colorant has a first charge and a color. The second colorant has a second charge that is opposite in polarity to the first charge and a color that is complimentary to the color of the first colorant. A first electrode, with a voltage source, is operably coupled to the fluid and configured to moving one or both of the first and second colorants within the fluid and alter at least one spectral property of the pixel.

U.S. Pat. No. 8,599,226 for Device and method of data conversion for wide gamut displays by inventor Ben-Chorin, et. al, filed Feb. 13, 2012 and issued Dec. 3, 2013, is directed to a method and system for converting color image data from a, for example, three-dimensional color space format to a format usable by an n-primary display, wherein n is greater than or equal to 3. The system may define a two-dimensional sub-space having a plurality of two-dimensional positions, each position representing a set of n primary color values and a third, scaleable coordinate value for generating an n-primary display input signal. Furthermore, the system may receive a three-dimensional color space input signal including out-of range pixel data not reproducible by a three-primary additive display, and may convert the data to side gamut color image pixel data suitable for driving the wide gamut color display.

U.S. Pat. No. 8,081,835 for Multiprimary color sub-pixel rendering with metameric filtering by inventor Elliot, et. al, filed Jul. 13, 2010 and issued Dec. 20, 2011, is directed to systems and methods of rendering image data to multiprimary displays that adjusts image data across metamers as herein disclosed. The metamer filtering may be based upon input image content and may optimize sub-pixel values to improve image rendering accuracy or perception. The optimizations may be made according to many possible desired effects. One embodiment comprises a display system comprising: a display, said display capable of selecting from a set of image data values, said set comprising at least one metamer; an input image data unit; a spatial frequency detection unit, said spatial frequency detection unit extracting a spatial frequency characteristic from said input image data; and a selection unit, said unit selecting image data from said metamer according to said spatial frequency characteristic.

U.S. Pat. No. 7,916,939 for High brightness wide gamut display by inventor Roth, et. al, filed Nov. 30, 2009 and issued Mar. 29, 2011, is directed to a device to produce a color image, the device including a color filtering arrangement to produce at least four colors, each color produced by a filter on a color filtering mechanism having a relative segment size, wherein the relative segment sizes of at least two of the primary colors differ.

U.S. Pat. No. 6,769,772 for Six color display apparatus having increased color gamut by inventor Roddy, et. al, filed Oct. 11, 2002 and issued Aug. 3, 2004, is directed to a display system for digital color images using six color light sources or two or more multicolor LED arrays or OLEDs to provide an expanded color gamut. Apparatus uses two or more spatial light modulators, which may be cycled between two or more color light sources or LED arrays to provide a six-color display output. Pairing of modulated colors using relative luminance helps to minimize flicker effects.

SUMMARY OF THE INVENTION

It is an object of this invention to provide an enhancement to the current RGB systems or a replacement for them.

In one embodiment, the present invention provides a system for displaying a primary color system, including a set of image data including a set of primary color signals, wherein the set of primary color signals corresponds to a set of values in Yxy color space, wherein the set of values in Yxy color space includes a luminance (Y) and two colorimetric coordinates (x,y), and wherein the two colorimetric coordinates (x,y) are independent from the luminance (Y), an image data converter, wherein the image data converter includes a digital interface, and wherein the digital interface is operable to encode and decode the set of values in Yxy color space, at least one non-linear function for processing the set of values in Yxy color space, wherein the at least one non-linear function is applied to data related to the luminance (Y) and data related to the two colorimetric coordinates (x,y), and at least one viewing device, wherein the at least one viewing device and the image data converter are in network communication, wherein the encode and the decode includes transportation of processed data, wherein the processed data includes a first channel related to the luminance (Y), a second channel related to a first colorimetric coordinate (x) of the two colorimetric coordinates (x,y), and a third channel related to the second colorimetric coordinate (y) of the two colorimetric coordinates (x,y), and wherein the image data converter is operable to convert the set of image data for display on the at least one viewing device.

In another embodiment, the present invention provides a system for displaying a primary color system, including a set of image data including a set of primary color signals, wherein the set of primary color signals corresponds to a set of values in a color space, wherein the set of values in Yxy color space includes a luminance (Y) and two colorimetric coordinates (x,y), and wherein the two colorimetric coordinates (x,y) are independent from the luminance (Y), an image data converter, wherein the image data converter includes a digital interface, and wherein the digital interface is operable to encode and decode the set of values in Yxy color space, at least one non-linear function for processing the set of values in Yxy color space, wherein the at least one non-linear function is applied to data related to the luminance (Y) and data related to the two colorimetric coordinates (x,y), a set of Session Description Protocol (SDP) parameters, and at least one viewing device, wherein the at least one viewing device and the image data converter are in network communication, wherein the encode and the decode includes transportation of processed data, wherein the processed data includes a first channel related to the luminance (Y), a second channel related to a first colorimetric coordinate (x) of the two colorimetric coordinates (x,y), and a third channel related to the second colorimetric coordinate (y) of the two colorimetric coordinates (x,y), and wherein the image data converter is operable to convert the set of image data for display on the at least one viewing device.

In yet another embodiment, the present invention provides a method for displaying a primary color system, including providing a set of image data including a set of primary color signals, wherein the set of primary color signals corresponds to a set of values in Yxy color space, wherein the set of values in Yxy color space includes a luminance (Y) and two colorimetric coordinates (x,y), encoding the set of image data in Yxy color space using a digital interface of an image data converter, wherein the image data converter is in network communication with at least one viewing device, processing the set of image data in Yxy color space by scaling the two colorimetric coordinates (x,y) and applying at least one non-linear function to the luminance (Y) and the scaled two colorimetric coordinates, decoding the set of image data in Yxy color space using the digital interface of the image data converter, and the image data converter converting the set of image data for display on the at least one viewing device, wherein the encoding and the decoding include transportation of processed data, wherein the processed data includes a first channel related to the luminance (Y), a second channel related to a first colorimetric coordinate (x) of the two colorimetric coordinates (x,y), and a third channel related to the second colorimetric coordinate (y) of the two colorimetric coordinates (x,y).

These and other aspects of the present invention will become apparent to those skilled in the art after a reading of the following description of the preferred embodiment when considered with the drawings, as they support the claimed invention.

