Patent application number | Description | Published |
20090102778 | Shift register, gate driving circuit with bi-directional transmission function, and LCD with double frame rate - A shift register applied on a double-frame-rate LCD is provided. The LCD includes an upper display area with c gate lines, a lower display area with d gate lines, and a gate driving circuit. The gate driving circuit includes a first shift register coupled to the corresponding x gate lines of the upper display area, a second shift register coupled to the corresponding y lines of the lower display area, and a third shift register coupled to the corresponding (c-x) gate lines of the upper display area and the corresponding (d-y) gate lines of the lower display area. | 04-23-2009 |
20090108768 | BACKLIGHT CONTROL DEVICE AND METHOD FOR CONTROLLING A DRIVING CURRENT OF AN LED - A backlight control device for controlling a driving current of an LED is disclosed. By controlling current outputs from current sources of a plurality of current output units, a display will be able to generate desirable backlight. Then by adjusting currents output by the plurality of current output units, brightness of a plurality of pixels can be dynamically adjusted. The brightness of pixels with higher gray levels can be increased while the brightness of pixels with lower gray levels can be decreased, thereby improving the contrast of image and saving power consumption. | 04-30-2009 |
20090121328 | Glass Substrate of Flat Panel Display and Display Integrated Circuit Chip - An exemplary glass substrate of flat panel display is adapted for an integrated circuit (IC) chip. The IC chip has two opposite long sides and two opposite short sides. The glass substrate includes a display area and a plurality of conductive wires. The display area has a plurality of display elements formed therein. The conductive wires are electrically coupled to the IC chip and the display area, to transmit a signal provided from the IC chip to the display area. The IC chip includes a plurality of output terminals arranged at the long sides and electrically coupled to the respective conductive wires. The present invention also provides a display IC chip for receiving and outputting a first color signal, a second color signal and a third color signal. | 05-14-2009 |
20090153791 | Chip on film structure - The chip on film structure for a liquid crystal display is disclosed. The chip on film structure includes a film substrate, a driver chip disposed on the film substrate, a plurality of the input pad, and a plurality of output pads. The input pads and the output pads are disposed on two opposite sides of the driver chip, and are electrically connect to the driver chip respectively. Each input pad comprises an extending portion extending from the input pads to a first cutting edge respectively, and a width of the extending portion is thinner than a width of the input pad, and the extending portions are cut along the first cutting edge. | 06-18-2009 |
20090160879 | Data driver using a gamma selecting signal, a flat panel display with the same and a driving method therefor - A data driver using a gamma selecting signal, a flat panel display with the same and a driving method therefor are provided. A first to a fourth data lines are electrically connected to a first left sub-pixel, a first right sub-pixel, a second right sub-pixel and a second left sub-pixel, respectively. The data driver includes a first, a second, a third and a fourth gray level generating units for outputting a first set of positive gray voltage, a second set of negative gray voltage, a second set of positive gray voltage and a first set of negative gray voltage, respectively. The data driver drivers these sub-pixels according to the first set of positive gray voltage, the second set of negative gray voltage, the second set of positive gray voltage and the first set of negative gray voltage under the control of a polarity inversion signal and a gamma selecting signal. | 06-25-2009 |
20110292027 | BACKLIGHT CONTROL DEVICE AND METHOD FOR CONTROLLING A DRIVING CURRENT OF AN LED - A backlight control device for controlling a driving current of an LED is disclosed. By controlling current outputs from current sources of a plurality of current output units, a display will be able to generate desirable backlight. Then by adjusting currents output by the plurality of current output units, brightness of a plurality of pixels can be dynamically adjusted. The brightness of pixels with higher gray levels can be increased while the brightness of pixels with lower gray levels can be decreased, thereby improving the contrast of image and saving power consumption. | 12-01-2011 |
20120113163 | DISPLAY INTEGRATED CIRCUIT CHIP - A display IC chip includes a plurality of sides, a plurality of output terminals, two first color short-circuit lines, one second color short-circuit line, one third color short-circuit line, and conductive wires. The two first color short-circuit lines are parallel disposed in the IC chip and coupled to a first output terminal group of the output terminals. The second color short-circuit line is disposed between and parallel with the first color short-circuit lines. The second color short-circuit line is coupled to a second output terminal group of the output terminals. The third color short-circuit line is disposed between and parallel with the first color short-circuit lines. The third color short-circuit line is coupled to a third output terminal group of the output terminals. The conductive wires are coupled the first color short-circuit lines with the first output terminal group do not cross the second and third color short-circuit lines. | 05-10-2012 |
20130100112 | IMAGE PRIVACY PROTECTING METHOD - An image privacy protecting method is provided. Positions of a privacy protecting region and a normal display region are acknowledged first. When a frame of image is processed, a first image data will be displayed in the privacy protecting region is processed in a narrow viewing mode to obtain a narrow viewing driving data, and a second image data will be displayed in the normal display region is processed in a wide viewing mode to obtain a wide viewing driving data. Finally, display operations are performed in the privacy protecting region and the normal display region respectively according to the narrow viewing driving data and the wide viewing driving data. | 04-25-2013 |
20130100182 | COMPENSATION METHOD FOR PRIVACY-IMAGE PROTECTION - A compensation method for privacy-image protection is provided. The compensation method operates a display device in a narrow visual-angle mode, then determines where is data to be displayed according to a relative position between the data to be displayed and a specific object, and finally determines to use which to adjust the data to be displayed according to the determined result, and displays the data. | 04-25-2013 |
20140063386 | PEEP-PROOF DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A peep-proof display apparatus includes a plurality of sub-pixels disposed between a first substrate and a second substrate. Each sub-pixel includes a first conductive layer, a color filter layer, an isolation film, a light modulator layer, a second conductive layer, an insulation film and a third conductive layer. The color filter layer is disposed between the first conductive layer and the isolation film. The light modulator layer is disposed between the isolation film and the second conductive layer. The insulation film is disposed between the second and third conductive layers. In a first display mode, the light modulator layer is applied with an electric field parallel thereto. In a second display mode, the light modulator layer is applied with an electric field parallel thereto and an electric field perpendicular thereto. | 03-06-2014 |
20140191933 | ADJUSTABLE VIEWING ANGLE DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - Disclosed herein is an adjustable viewing angle display device. The display device includes a display panel composed of a first substrate, a second substrate, a display medium layer interposed therebetween, a first electrode, a second electrode and a third electrode. Pluralities of sub-pixels are defined in the display panel. The first and second electrodes are disposed on the first substrate in the sub-pixels. The first electrode is spaced apart from the second electrode. The third electrode is disposed on the second substrate. When the display device is operated in a narrow viewing angle mode, there exists a non-zero potential difference between the second electrode and the third electrode, and when the sub-pixel is at gray level of zero, the potential difference between the first electrode and the second electrode is not zero. A driving method for driving the display device is disclosed as well. | 07-10-2014 |
20140192091 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - Disclosed herein is a display device with an adjustable viewing angle. The display device at least includes a first sub-pixel and a second sub-pixel adjacent to the first sub-pixel. When the display device is operated in a wide viewing angle mode, the first and second sub-pixels each have an on-axis brightness at a predetermined gray level. When the display device is operated in a narrow viewing angle mode, the first and second sub-pixels respectively have a first on-axis brightness at a first gray level and a second on-axis brightness at a second gray level. The first on-axis brightness at the first gray level is substantially less than the on-axis brightness at the predetermined gray level of the first sub-pixel. | 07-10-2014 |