Patent application number | Description | Published |
20120162191 | DRIVING DEVICE AND DRIVING METHOD FOR LIQUID CRYSTAL DISPLAY - A driving device and a driving method for a liquid crystal display are provided. The driving device includes a memory unit, a comparator, a compensation unit, and a selector. The memory unit provides a storage image and a previous comparison result. The comparator compares a present image with the storage image and outputs a present comparison result. The compensation unit processes the present image according to the storage image to generate a plurality of processed present images. The selector selects and outputs one of the present image and the processed present images according to the previous comparison result and the present comparison result. Thereby, the space required in the memory unit is reduced and the image display quality is improved. | 06-28-2012 |
20130076785 | ANTI-PEEPING DISPLAY SYSTEM - An anti-peeping display system comprises an image processor for receiving a normal image and generating a mosaic image according to the normal image; and a display module which is coupled to the image processor for receiving the normal image and the mosaic image, the display module displaying the normal image during a first frame period and displaying the mosaic image during a second frame period that is adjacent to the first frame period. A user only by wearing a pair of special glasses can view the normal images. The present invention can make a display device to equip with an anti-peeping function. | 03-28-2013 |
20130147852 | Three-Dimensional Image Display Device - A three-dimensional image display device is provided. The three-dimensional image display device includes a display panel and a plurality of light control units. The display panel includes a pixel array composed of a plurality of pixels. Each of the pixels consists of a plurality of sub-pixels. The sub-pixel has an aspect ratio of about 1:1. A symmetry axis of each of the light control units is substantially parallel to a diagonal of each of the sub-pixels. | 06-13-2013 |
20130176314 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus and an image processing method are provided. When a display apparatus is in the 3D display mode, a mode-switching unit adjusts the way to generate a vertical-count-value by counting every two rows of pixels and outputs the adjusted vertical-count-value. A dither unit outputs a carry value corresponding to the adjusted vertical-count-value. An adding unit adds the carry value and the surplus pixel bit together. | 07-11-2013 |
20130187901 | CIRCUIT FOR OUTPUTTING OVERDRIVE VOLTAGES OF A LIQUID CRYSTAL PANEL AND METHOD THEREOF - A circuit for outputting overdrive voltages of a liquid crystal panel includes a memory unit and an overdrive unit. The overdrive unit includes a first lookup table, a second lookup table, and a selector. The memory unit stores a plurality of second pixel voltages corresponding to a second frame displayed by the liquid crystal panel and outputs a plurality of first pixel voltages corresponding to a first frame displayed by the liquid crystal panel stored in the memory unit. The overdrive unit looks up the first lookup table and the second lookup table to generate a first overdrive voltage and a second overdrive voltage according to each first pixel voltage and a corresponding second pixel voltage. The selector outputs the first overdrive voltage or the second overdrive voltage according to a polarity signal and a frame signal. | 07-25-2013 |
20130243305 | IMAGE PROCESSING METHOD FOR STEREOSCOPIC IMAGES - An image processing method for stereoscopic images includes providing image data of a first visual angle image and image data of a second visual angle image; performing first image processing to the image data of the second visual angle image according to performance of a first display parameter of the image data of the first visual angle image on a display panel, for adjusting performance of the first display parameter of the image data of the second visual angle image on the display panel to correspond to the performance of the first display parameter of the image data of the first visual image on the display panel; and displaying the first visual angle image and the second visual angle image after the first image processing. | 09-19-2013 |
20130271512 | THREE-DIMENSIONAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - Disclosed are a three-dimensional display device and a method for driving the same. The three-dimensional display device is driven with a two-frame inversion and includes a display panel, a timing controller, a gamma voltage generator, and at least one source driver circuit. The display panel has a plurality of pixels. The timing controller of the present invention provides two different groups of gamma voltages for the gamma voltage generator, so that charging conditions of each of the pixels tend to be the same when switching frames. | 10-17-2013 |
20150016706 | BANKNOTE COUNTING AND AUTHENTICATING MACHINE AND METHOD THEREOF - A machine includes an electronic control module for conducting authentication process of a banknote and transiting/receiving every module signal to control operation of a user interface; an image control module for activating an image sensor to read and authenticate the banknote upon receipt of a banknote input signal from the electronic control module, thereby resulting in an authenticated result and transmitting back to the electronic control module; a motor control module for causing a corresponding motor operation of a motor upon receipt of a command signal from the electronic control module; and a counterfeit control module for processing a banknote data via a reading head, a thickness detector and an infrared scanner upon receipt of another signal from the electronic control module and generating, transmitting a banknote result back to the electronic control module for further processing. | 01-15-2015 |
20150061514 | LIGHT EMITTING DIODE DRIVING DEVICE - A LED driving device is electrically connected to a voltage power source and a plurality of LED strings. The LED driving device includes a constant-voltage outputting module, a rectifying unit, and a constant-current controlling unit. The constant-voltage outputting module is electrically connected to the voltage power source and includes a switching unit, a resonant unit, a converting unit, and a power-balancing unit. The resonant unit is electrically connected to the switching unit. The converting unit includes a primary winding, two first secondary windings, and a second secondary winding. The primary winding is electrically connected to the resonant unit. The power-balancing unit includes a balancing converter including two balancing windings electrically connected to the first secondary windings. The rectifying unit is electrically connected to the power-balancing unit and the LED strings, the constant-current controlling unit is electrically connected to the second secondary winding and the LED strings. | 03-05-2015 |