Abstract: A projection system using a sequential color filter is provided. The sequential color filter utilizes various colors, such as red, blue, and green, divided into segments to produce images. Each color may be divided into two or more segments and arranged such that high sequential color rates may be obtained to help reduce the rainbow effect. The colors may be arranged such that the sequential color filter is symmetrical in the sense that the sequential color filter is divided into approximately equal regions wherein each region has approximately an equal amount of respective colors.

Abstract: A projection system using a sequential color filter is provided. The sequential color filter utilizes red, green, and blue segments with an additional segment that allows brighter yellows and higher color temperatures to be formed efficiently. In an embodiment the additional segment comprises a mixed-transmission level region that partially blocks some of the green and red wavelengths. In another embodiment, an additional segment comprises a notch filter that allows shorter and longer wavelengths to pass, but blocks at least some of the intermediate wavelengths. In other embodiments, other segments, such as a white segment, a yellow segment, a cyan segment, a magenta segment, shades thereof, combinations thereof, and/or the like may be added.

Abstract: Disclosed is a system for adjusting a plurality of component color signals for expanded color gamut displays. The disclosed system comprises an input for receiving the component color signals, a detection circuit (502) connected to the input and configured to detect at least one characteristics of the received component color signals, and an adjustment circuit (504) connected to the input for receiving the component color signal and for creating adjusted component color signals from the received component color signals according to a certain technique, where the certain technique is changed according to the detected characteristic.

Abstract: The present disclosure relates to systems and processes for automatically adjusting the white point of displayed images to account for changes in ambient light. In one embodiment, a display system includes a display device having sensors for recording the red (R), green (G) and blue (B) values for ambient light and measuring the intensity of such light. The sensors feed these values into a processor, which calculates R, G, B gain values to be applied to the video input R, G, B values. In this manner, the display device can account for changes in ambient light to adjust the perceived white point accordingly. Related methods for automatically adjusting the white point of a perceived image are also described.

Abstract: Disclosed is a system for adjusting a plurality of component color signals for expanded color gamut displays. The disclosed system comprises an input for receiving the component color signals, a detection circuit (502) connected to the input and configured to detect at least one characteristic of the received component color signals, and an adjustment circuit (504) connected to the input for receiving the component color signal and for creating adjusted component color signals from the received component color signals according to a certain technique, where the certain technique is changed according to the detected characteristic.

Abstract: Disclosed is a telecine system (300) for media conversion of an original format video signal to a new format video signal. The new format video signal is displayed on at least two monitors (303, 307) having different color gamuts so that a colorist (302) can adjust the telecine process in order to produce the new format video signal such that it has acceptable image quality on both of the monitors (303, 307).

Abstract: Disclosed herein are visual display systems and methods capable of having shifted bit-weights in neutral density filtering (NDF) applications. In one embodiment, a method (200) of displaying an image comprises transmitting light through an optical filter (17) comprising at least one high transmissivity portion configured to output light at an initial intensity, and at least one low transmissivity portion configured to output light at a lower intensity than the initial intensity, where the initial intensity and lower intensity output light illuminates a spatial light modulator (14). The method also includes providing a plurality of data bits (non-ND) from a predetermined number of data bits (B0-B7), where each of the plurality comprises a pulse-width longer than a load-time for operating the spatial light modulator (14).

Abstract: A method for generating images includes shining a beam of light through a filter wheel to produce filtered light. The filter wheel includes red, green, and blue color segments and a fourth color segment that is not blue, green, red, or clear. The method also includes modulating the filtered light to form an image.

Abstract: Methods and apparatus for use with a discrete bit display system such as a DLP® display system for increasing brightness by using secondary light bits (such as spoke bits that are otherwise wasted). The light available from the secondary bits is distributed over the entire input/output dynamic range by determining the maximum possible output and then defining the dynamic output range from zero to that maximum range in response to the full range of the input signals.

Abstract: A method and system for displaying fractional bit data in order to increase the bit depth of a PWM display without requiring the use of an excessive number of bit planes. One embodiment of the present invention combines the outputs of two random number generators (702) with the outputs of a row counter (704) and column counter (706) to yield row and column indexes into two 32×32 cell blue noise masks. The row and column indexes select a blue noise mask threshold for a given pixel. The threshold from the first blue noise mask (708) is applied to a comparator (710) where it is compared to the fractional bit portion of the pixel data. A first blue noise bit, BN(1), is generated based on this comparison. Typically, BN(1) is a “1” when the fractional portion of the pixel data exceeds the threshold value from the mask. The same threshold data is also processed by inverter (712) to produce the threshold that would be shored in an inverted form of Mask A.

Abstract: A DMD display system includes an inverse gamma look-up-table (50) for converting raster scanned, gamma corrected video data of 8 bits to 12 bits inverse gamma data with 8 most significant bits (msb) and 4 least significant bits (lsb). The 8 msb are coupled to the micromirror of the DMD display (10) and the four lsb are delayed and halved such that one half of the lsb is added to the next pixel in the horizontal scan and one-half of the lsb is added to the next vertical pixel one line length delayed.