| DYNASCAN TECHNOLOGY CORP. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110157242 | DISPLAY DEVICE INCORPORATING BACKLIGHT PLATE COMPOSED OF EDGE-LIT LIGHT GUIDES AND METHOD OF UNIFYING LIGHT EMISSION FROM SAME - The invention relates to a display device incorporating a backlight plate composed of edge-lit light guides and a method of unifying the light emission from the display device. The display device has a backlight plate composed of light guides adjacent to one another for guiding light from light sources, a liquid crystal panel disposed at a light exit side of the backlight plate and including cells with adjustable transmissivities, a memory device that stores data regarding light emission intensity distributions of the light guides, and a control device for computing compensation data and controlling the transmissivities of the cells. The light emission of the backlight is unified using the local-area dimming control technique by computing the light emission intensity distributions of the light guides and by obtaining the adjusted image signals for adjusting the transmissivities of the cells. | 06-30-2011 |
| 20110128469 | STACKED-TYPE BACKLIGHT PLATE FOR USE IN DISPLAY DEVICE AND DISPLAY DEVICE INCORPORATING SAME - The invention relates to a stacked-type backlight plate for use in a display device and a display device incorporating the backlight plate. The backlight plate includes light guide devices, each including a light incident face, and a front face and a back face arranged opposite and parallel to each other and disposed adjacent to the light incident face, wherein the front face has a light exiting region remote from the light incident face. The back face of a light guide device is substantially parallel to the front face of an adjacent light guide device, so that the back face is overlapped in part with the front face to expose the light exiting region of the front face. The backlight plate also includes light sources disposed in a manner corresponding to the light incident faces. | 06-02-2011 |
| 20110063335 | COLOR-FILTERLESS LIQUID CRYSTAL DISPLAY DEVICE AND DISPLAYING METHOD THEREOF - The invention relates to a color-filterless liquid crystal display device and a displaying method of the display device. The backlight module of the display device is partitioned into dynamic brightness adjustment sections adapted for being controlled by the local area dimming control technique. The liquid crystal display module of the display device is partitioned into display sections for being subjected to scanning. The sub-frame image data are adjusted reversely to that done by the local area dimming control technique, before being provided to the display sections by scanning. After the transmissivity of the respective display sections is changed, the LEDs located in the dynamic brightness adjustment sections and corresponding to the sub-frames are lighted up by local area dimming control signals capable of compensating for the adjustment. | 03-17-2011 |
| 20110007055 | RAPID DETECTION METHOD FOR DECAY OF LIQUID CRYSTAL DISPLAY DEVICE HAVING LED BACKLIGHT AND DISPLAY DEVICE PROVIDED WITH RAPID COMPENSATING DEVICE FOR DECAY - The invention relates to a rapid detection method for the decay of a liquid crystal display device having an LED backlight and a display device provided with a rapid compensating device for decay. The invention employs a mutually orthogonal series of driving signals to drive a plurality of LED devices in a synchronized manner with the driving signals having a one-to-one correspondence with the LED devices. A processing device extracts respective light emission data for the respective LED devices, compares the respective light emission data with the corresponding reference values pre-stored in the memory device and commands another device to compensate for any deviation existing therebetween. Accordingly, the LED devices are tested in batch mode and the testing is remarkably speeded up without interfering with users' activities. | 01-13-2011 |
| 20100157173 | ROTARY DISPLAY PROVIDED WITH IMAGE PICKUP DEVICE - The present invention relates to a rotary display provided with an image pickup device, comprising: a base; a rotary frame, light-emitting components, an image data supplying device and a image pickup device. The rotary frame on which the light-emitting components are mounted is adapted for rotating about an axis with respect to the base and formed with transparent portions having through holes, such that the image pickup device mounted on the base can capture an outside image through the transparent portions. The light-emitting components are actuated by the image data supplying device to emit light outwardly, whereby the light sources of the light-emitting components constitute images with high resolution by taking advantage of persistence of vision, while the image pickup device is hidden within an interior space of the rotary frame. | 06-24-2010 |
| 20100110098 | METHOD FOR COMPENSATING FOR POOR UNIFORMITY OF LIQUID CRYSTAL DISPLAY HAVING NON-UNIFORM BACKLIGHT AND DISPLAY THAT EXHIBITS NON-UNIFORMITY COMPENSATING FUNCTION - The invention relates to a method for compensating for poor uniformity of a liquid crystal display having a non-uniform backlight. By virtue of selecting a standard color that all cells can achieve to serve as a virtually primary color, the invention measures to give the relationship between the tri-stimulus values of the virtually primary color and those presented by the respective cells and records the resultant values to serve as compensation data. During operation of a display, the input image data are computed based on the compensation data for respective cells in accordance with the cell locations and converted into compensated image signals. As such, all of the cells are able to present the same chromaticity and brightness upon receiving the same image signal, thereby performing uniform chromaticity and brightness across the entire display. | 05-06-2010 |
