Abstract: A full color electro-luminescent display system, comprising: a display device comprised of a plurality of red, green, blue light-emitting elements and at least one additional color of light-emitting element having luminance efficiency greater than at least one of the red, green and blue light-emitting elements, wherein the light-emitting elements are laid out over a substrate in adjacent columns arranged along a first dimension and adjacent rows arranged along a second dimension, such that each pair of adjacent columns of light-emitting elements, and each row of light-emitting elements, contain each of the red, green, blue and additional color light-emitting elements; and a controller for receiving an input signal for an input image having a two-dimensional spatial content including edge boundaries between first and second regions of the input image and driving the display, the controller being responsive to the two-dimensional spatial content of the input image and increasing apparent display resolution whil

Abstract: A method for rendering a full-color image onto an image display device, comprising the steps of: a) obtaining a full-color input image signal representing three or more spatially coincident color values at a plurality of different spatial locations in a two-dimensional image array; b) providing a display having a plurality of at least two colors of spatially distinct light-emitting elements arranged within a two-dimensional display array; c) providing a plurality of different rendering computations, each rendering computation capable of computing a different display drive signal value for each of the plurality of light-emitting elements depending on the color values of the full-color input image signal at two or more different spatial locations and depending on differences in the color, location, or number of light-emitting elements in the display array relative to the color, location or number of color values in the image array; d) analyzing the spatial content of the full-color input image signal to select

Abstract: A full-color display system having improved apparent resolution comprising: a display formed from an array of full-color groups of light-emitting elements each comprising more than one luma-chroma sub-group of light-emitting elements; and a processor for receiving a full color input image signal that specifies full color image values at each of a two-dimensional number of sampled addressable spatial locations within an image to be displayed, for providing a full color image signal with image signal values corresponding to the spatial location of each luma-chroma sub-group, for computing a control signal representing the relative values, or difference between values, for the image signal values corresponding to each luma-chroma sub-group and at least one of each luma-chroma sub-group's neighbors, and for rendering a signal for driving each light-emitting element within each luma-chroma sub-group of light-emitting elements as a function of the values for the image signal corresponding to each luma-chroma sub-gr

Abstract: An electroluminescent display system, comprising: a) a display composed of an array of regions, wherein the current to each of the regions is provided by a pair of power lines and wherein each region includes an array of light emitting elements for emitting light; b) a pixel driving circuit for independently controlling the current to each light-emitting element in response to an image signal, wherein the intensity of the light output by the light emitting elements is dependent upon the current provided to each light emitting element; and c) a display driver for receiving an input image signal and generating a converted image signal for driving the light emitting elements in the display, wherein the display driver analyzes the input image signal to estimate the current that would result at, at least, one point along at least one of the power lines providing current to each of the regions, if employed without further modification, based upon device architecture and material and performance characteristics of d

Abstract: An OLED display for producing a full color image, comprising a plurality of at least four different colored pixels including three different colored addressable gamut-defining pixels and a fourth addressable within-gamut pixel, each pixel having an organic light-emitting diode with first and second electrodes and one or more organic light-emitting layers provided between the electrodes; the OLED display having a selected display white point, display peak luminance, gamut-defining pixel peak luminances and within-gamut pixel peak luminance; and drive circuitry for regulating luminance of the organic light-emitting diode of each of the colored pixels wherein the sum of the gamut-defining pixel peak luminances is less than the display peak luminance.

Abstract: A curved display device comprising a continuous, curved, concave viewing surface having a surface width W greater than or equal to 48 cm and less than or equal to 200 cm, and wherein a distance D from the center of a straight line segment which connects the centers of the display edges in the width dimension, to the center of the display surface in the horizontal dimension is less than or equal to ((0.215W)?6.5).

Abstract: A color display device is disclosed, comprising: an array of subpixels of three different colors, including subpixels of a relatively high luminance first color and subpixels of relatively lower luminance second and third colors, wherein the subpixels are arranged into rows or columns to form a repeating pattern of alternating lower luminance and high luminance color subpixels in each row or column, with the sequential order of the two lower luminance color subpixels being alternated within each row or column, and wherein the alignment of subpixels of the same colors in adjacent rows or columns is such that the high luminance color subpixels are aligned more closely to perpendicular than are each of the lower luminance color subpixels relative to the direction of the rows or columns in which the subpixels are arranged in a repeating pattern.

Abstract: A color display system including a display device for four or more visible color primaries and a processor for controlling the four or more color primaries to selectively render portions of an image or image sequence such that visually equivalent colors displayed in two or more image portions differ in their spectral composition.

Abstract: A color display device, comprising: an array of subpixels of at least four different colors, including at least two relatively higher luminous color subpixels and at least two relatively lower luminous color subpixels, wherein the subpixels are arranged into groups forming at least two distinct types of pixels, each pixel type including the two relatively higher luminous color subpixels and at least one of the two relatively lower luminous color subpixels, and wherein the pixel types are arranged in a pattern such that the relative locations of the two relatively higher luminous color subpixels in each pixel is repeated in adjacent pixels, and the relative location of at least one of the two relatively lower luminance color subpixels is not repeated in at least one adjacent pixel. Various embodiments of the invention enable color display devices with improved image display quality, with both the appearance of jagged lines and the appearance of banding reduced simultaneously.

Abstract: An OLED display device includes: an array of light emitting pixels, each pixel having red, green, and blue OLEDs and at least one additional colored OLED that expands the gamut of the display device relative to the gamut defined by the red, green and blue OLEDs, wherein the luminance efficiency or the luminance stability over time of the additional OLED is higher than the luminance efficiency or the luminance stability over time of at least one of the red, green, and blue OLEDs; and means for selectively driving the OLEDs with a drive signal to reduce overall power usage or extend the lifetime of the display while maintaining display color accuracy. In accordance with various embodiments, the present invention provides a color display device with improved power efficiency, longer overall lifetime, expanded color gamut with accurate hues, and improved spatial image quality.

Abstract: A method for transforming three color input signals (R, G, B) corresponding to three gamut defining color primaries to four color output signals (R?, G?, B?, W) corresponding to the gamut defining color primaries and one additional color primary W for driving a display having emitters that emit light corresponding to the to the four color output signals including calculating a common signal value S as a function F1 of the three color input signals (R,G,B) for a current and neighboring pixels; determining a final common signal value S? based upon the common signals for the current and neighboring pixels; calculating the three color signals (R?,G?,B?) by calculating a value of a function F2 of the final common signal value S? and adding it to each of the three color input signals (R,G,B); and calculating the output signal W as a function F3 of the final common signal value S?.