Abstract: Various imaging processing techniques are disclosed for displaying a pre-subpixel rendered image. The pre-subpixel rendered image can be transmitted directly to a display capable of displaying a subpixel rendered image. The pre-subpixel rendered image can also be stored for later transmission for output to the display. Additionally, the pre-subpixel rendered image can be embedded in an image data stream and later extracted and displayed. Furthermore, various techniques have been disclosed to embed and extract the pre-subpixel rendered image.

Abstract: A method for forming a multipixel image on an imaging surface is disclosed. The method comprises projecting for each pixel in the multipixel image a plurality of beams of different colors towards the imaging surface. Each of the plurality of beams for each pixel is directed along a path towards the imaging surface, such that images formed on the imaging surface from each beam are convergent by substantially less than about 100%. An optical projector, a subtractive color flat panel display, and a CRT video display are also disclosed.

Abstract: Several embodiments of the present application disclose techniques, systems and methods for changing or rendering input image data that may assume a first white point for a given display into image data to be rendered under a second—assumed, desired or measured—white point of the display.

Abstract: A color display having horizontal sub-pixel arrangements and layouts is disclosed. The display can include a plurality of a sub-pixel group. The sub-pixel group can have a plurality of sub-pixels wherein each sub-pixel has a height along a vertical axis and a width along a horizontal axis. The width of each sub-pixel is greater in length than its height in the sub-pixel group. The display also includes a column driver coupled to each sub-pixel in a column and a row driver coupled to each sub-pixel in a row of the sub-pixel group. Each sub-pixel in the sub-pixel group is coupled to the row driver along the width of the sub-pixel.

Abstract: A three-color pixel element for a display comprises a blue emitter disposed at the origin of a rectangular coordinate system having four quadrants, a pair of red emitters and a pair of green emitters spaced apart from the blue emitter and symmetrically disposed about the origin of the rectangular coordinate system in a first and second pair of opposing quadrants.

Abstract: A cathode ray tube (CRT) device increases image resolution using spatial or temporal techniques. The CRT device includes a plurality of electron guns that each produce an electron beam and a plurality of separate phosphor dots, each corresponding to one of a plurality of primary colors. Certain ones of the phosphor dots form a color spot of a single primary color when impacted by an electron beam. The CRT device also includes steering electronics coupled to the plurality of electron guns to guide the electron beams to project on the phosphor dots to form a plurality of color spots each indicating a different one of the primary colors. The steering electronics direct the electron beams to separate and shift the color spots indicating the different primary colors from one another. In one embodiment, a subpixel clock is coupled to the steering electronics to effect subpixel rendering on the CRT device.

Abstract: A display and a method for manufacturing said display is disclosed wherein said display is comprised of at least a first set of subpixels and a second set of subpixels—said first set of subpixels comprising smaller area than said second subpixels. The thin film transistors that drive said first set of subpixels are formed substantially in the area of said second set of subpixels.

Abstract: System and methods are disclosed for improving the off-normal axis viewing angle by applying different filters if one colored sub-pixel data is driven close to 100% luminance while other colored sub-pixel data is driven close to 50% luminance values. Systems and methods for adjusting the viewing characteristics of the display system are also disclosed.

Abstract: The present application discloses several methods, techniques and systems for rendering source image data onto high brightness subpixel arrangements—for example, RGBW display panels. Additionally, these techniques have application for rendering data onto 3-color displays as well.

Abstract: A method of determining implied sample areas for each data point of each color in a source pixel data specified in a first sub-pixel format is used for sub-pixel rendering an image on a display specified in a second sub-pixel format. Each of the first and second sub-pixel formats comprises a plurality of colored sub-pixels. The method comprises determining a geometric center of each colored sub-pixel of the first format to define a sampling point; and defining each implied sample area by forming lines that are substantially equidistant between the sampling point of one colored sub-pixel and the sampling point of another neighboring same color colored sub-pixel. A similar technique may be used for determining resample areas for computing color values for rendering an image specified in a first sub-pixel format on a display substantially comprising a plurality of colored sub-pixels arranged in a second sub-pixel format.

Abstract: An image display system is disclosed comprising an output unit and a means for displaying a plurality of color frames on the output unit. Each color frame is subpixelated and displayed over time. One of the color planes is a color plane of a low luminance color, and the low luminance color plane is displayed with greater frequency over time than other displayed color frames.

Abstract: The gamma adjustment allows the luminance for the sub-pixel arrangement to match the non-linear gamma response of the human eye's luminance channel, while the chrominance can match the linear response of the human eye's chrominance channels. The gamma correction allows the algorithms to operate independently of the actual gamma of a display device. The sub-pixel rendering techniques disclosed with gamma adjustment can be optimized for a display device gamma to improve response time, dot inversion balance, and contrast because gamma correction and compensation of the sub-pixel rendering algorithm provides the desired gamma through sub-pixel rendering. These techniques can adhere to any specified gamma transfer curve.

Abstract: A method of operating spatial sampling filters comprises detecting subpixel rendered areas, turning on a first set of spatial sampling filters for the subpixel rendered areas in response to detecting said subpixel rendered areas, detecting non-subpixel rendered areas; and turning on a second set of spatial sampling filters for the non-subpixel rendered areas in response to detecting the non-subpixel rendered areas.

Abstract: A method of determining implied sample areas for each data point of each color in a source pixel data specified in a first sub-pixel format is used for sub-pixel rendering an image on a display specified in a second sub-pixel format. Each of the first and second sub-pixel formats comprises a plurality of colored sub-pixels. The method comprises determining a geometric center of each colored sub-pixel of the first format to define a sampling point; and defining each implied sample area by forming lines that are substantially equidistant between the sampling point of one colored sub-pixel and the sampling point of another neighboring same color colored sub-pixel. A similar technique may be used for determining resample areas for computing color values for rendering an image specified in a first sub-pixel format on a display substantially comprising a plurality of colored sub-pixels arranged in a second sub-pixel format.

Abstract: A system and method are disclosed for performing dot inversion with standard drivers and backplane on novel display panel layouts. Suitable dot inversion schemes are implemented on a liquid crystal display having a panel and a driver circuit. The panel substantially comprises a subpixel repeating group, the group having a even number of subpixels across a first direction. The driver circuit comprises a set of drivers, coupled to the panel providing image data signals to the panel, the signals effecting substantially a dot inversion scheme to the panel. The drivers are also substantially connected to the columns of the panel in a sequence along the driver circuit wherein at least one driver is not connected to a column of the panel, and at least two subpixel regions of the panel having same colored subpixels in the two regions with substantially different polarities.

Abstract: A system and method are disclosed for compensating for visual effects upon panels having non-standard polarity inversion schemes. A display comprises a panel comprising a plurality of subpixels. The panel has at least two subsets of same-colored subpixels having different electro-optical properties. The display also comprises separate quantizers for each of the at least two subsets of same-colored subpixels that can correct for fixed pattern noise.

Abstract: A display device comprises a display panel comprising high brightness subpixel repeating groups—for example, RGBW display panels. The device further comprises a subpixel rendering unit configured to render source image data onto the panel. The subpixel rendering techniques may render three-color source image data onto the panel comprising the high brightness subpixel repeating groups, and may also be used for rendering data onto 3-color displays as well.

Abstract: A method of producing a plurality of filter kernels comprised of filter coefficients for use in a sub-pixel rendering operation comprises calculating a plurality of filter coefficients for each filter kernel by dividing a spatial area of an input image that is overlapped by a portion of a spatial rendering area by a total area of the spatial rendering area using floating point arithmetic. The method further comprises multiplying each filter coefficient by a divisor to produce a filter product such that a sum of all filter products produces a filter sum that equals the divisor. Then a binary search operation is performed to find a round off point for the filter sum such that when each filter coefficient is converted to an integer, a sum of the filter coefficients equals the divisor. The filter coefficients are then converted to integers using the round off point.

Abstract: Various embodiments of a sub-pixel repeating group are disclosed. In one embodiment, an octal subpixel repeating group may comprise three-color (red, green and blue) sub-pixels with blue colored subpixel comprising twice the number of positions within the octal sub-pixel grouping as the red and green colored sub-pixels. In another embodiment, a subpixel repeating group comprises two rows of eight “split” subpixels comprising three primary colors and a non-saturated neutral, or white, subpixel functioning as a primary color.

Abstract: Novel three-color and four-color subpixel arrangements and architectures for display and the like are herein disclosed. Novel techniques for subpixel rendering on the above subpixel arrangements are also herein disclosed.