Patent application number | Description | Published |
20090085891 | Capacitive Touch Panel with Low Impedance - A capacitive touch panel and a display device using the capacitive touch panel are provided. The capacitive touch panel includes a first electrode layer, a second electrode layer, and a dielectric layer disposed between two layers. The first electrode layer has a plurality of first A electrode strings and first B electrode strings extended along a first direction. The first A electrode string and the first B electrode string respectively has a plurality of first direction electrodes. The second electrode layer has a plurality of second direction electrodes connected in series along a second direction. The first A and B electrode strings are disconnected in the first electrode layer while they are simultaneously detected for presence of signal variation. | 04-02-2009 |
20090174647 | Liquid Crystal Display Panel of a Liquid Crystal Display Apparatus Comprising a Photo-Sensing Device - A liquid crystal display panel of a liquid crystal display apparatus comprising a photo-sensing device is provided. The liquid crystal display apparatus comprises a liquid crystal display panel and a backlight module. The liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer, at least one photo-sensing device and a visible light-absorbing layer. At least one photo-sensing device is placed on a photo-sensing region of the first substrate to receive an incident light, wherein the photo-sensing device comprises a first photo-sensing element and a second photo-sensing element. The first photo-sensing element senses the incident light to generate a first current. The visible light-absorbing layer is placed on the second photo-sensing element to absorb the visible light of the incident light, and further make the second photo-sensing element senses the absorbed incident light to generate a second current. | 07-09-2009 |
20100164850 | Liquid Display Panel Driving Method - A liquid display panel driving method to drive a plurality of pixels of a liquid display panel in a frame period comprising a plurality of data input intervals is provided. Each pixel comprises first and second capacitors coupled to a first and second common electrode respectively. The liquid display panel driving method comprises the steps of: keeping the second common electrode at the same voltage level; modifying the voltage of the first common electrode of each pixel along a row of scan line to perform a first pre-charge before the data input interval; turning on the pixels to make each pixel receive the data voltage from the data lines during the data input interval; and turning off the pixels and modifying the voltage of the first common electrode to further set the voltage of each of the pixels to a target level after the data input interval. | 07-01-2010 |
20110090196 | LIQUID CRYSTAL DISPLAY HAVING PIXEL DATA SELF-RETAINING FUNCTIONALITY AND OPERATION METHOD THEREOF - A liquid crystal display having pixel data self-retaining functionality includes a gate line for delivering a gate signal, a data line for delivering a data signal, a control unit for providing a first control signal and a second control signal, a data switch, a voltage-control inverter, a liquid crystal capacitor, and a pass transistor. The data switch is utilized for inputting the data signal to become a first data signal according to the gate signal. The voltage-control inverter is utilized for inverting the first data signal to generate a second data signal furnished to the liquid crystal capacitor according to the enable operation of the first control signal. The pass transistor is used for passing the second data signal to become the first data signal or for passing the first data signal to become the second data signal according to the second control signal. | 04-21-2011 |
20120281074 | THREE-DIMENSIONAL IMAGE PROCESSING METHOD AND THREE-DIMENSIONAL IMAGE PROCESSING CIRCUIT USING THE SAME METHOD - A three-dimensional image processing method and a three-dimensional image processing circuit using the above method are provided. The method is configured for processing N source images, and N is a natural number and is larger than or equal to two. Each of the source images corresponds to a visual angle, and each of the source images comprises image data with three primary colors. The image data of each of the source images are arranged in an array according to a predetermined color sequence. In the method, six parameters are provided firstly, wherein each of the six parameters is configured for defining a basic data-arrangement variation. Then, the image data with three primary colors of the N source image are obtained according to the six parameters, so as to form a three-dimensional image. | 11-08-2012 |
20120293452 | OPERATING METHOD OF CAPACITIVE TOUCH PANEL AND TOUCH CONTROL BARRIER-TYPE 3D DISPLAY DEVICE - An exemplary operating method of a capacitive touch panel adapted to a touch control barrier-type three-dimensional display device and including a sensing device is disclosed. In the operating method, a sensing voltage readout operation is performed only during a signal caused by a transient of a barrier voltage is smaller than a preset value. The voltage readout operation includes steps of: providing a first driving signal to the sensing device for performing the sensing voltage readout operation during the barrier voltage is at a logic high level; and providing a second driving signal to the sensing device for performing the sensing voltage readout operation during the barrier voltage is at a logic low level. A pulse amplitude of the first driving signal is smaller than that of the second driving signal. | 11-22-2012 |
Patent application number | Description | Published |
20090244104 | METHOD FOR DRIVING LCD PANEL AND LCD USING THE SAME - A method for driving an LCD panel and an LCD using the same are provided. The method includes following steps. Firstly, a number of scan signals are provided sequentially, and an enabling time of the scan signals excluding the last scan signal is adjusted according to a compensation time, so as to unfix the enabling time of these scan signals. Next, the scan signals having the unfixed enabling time are sequentially provided to an LCD panel, so as to turn on a number of row pixels of the LCD panel one by one. Thereby, the entire brightness of the LCD can be uniformed by applying the method disclosed in the present invention. | 10-01-2009 |
20090278810 | TOUCH PANEL AND PORTABLE ELECTRONIC DEVICE THEREOF - A touch panel and a portable electronic device thereof are provided. The present invention can accurately determine a position touched by a user on the touch panel by judging whether or not a potential voltage value between a reference capacitor and a sensing capacitor of a pixel having a sensing area being changed, or to determine whether a switch of a pixel having the sensing area being conducted. | 11-12-2009 |
20090284517 | Display Apparatus - A display apparatus is provided. The display apparatus includes a display module, a plurality of driving modules, and a plurality of sensing modules. The display module has a first side and a second side opposite the first side. The driving modules are respectively adjacent to the first and second sides and are electrically connected to the display module. The sensing modules are respectively adjacent to the first and second sides, in which the sensing modules are configured to sense an environment status surrounding the display apparatus to modulate the display module from the first status to the second status. One of the driving modules adjacent to the first side is substantially opposite to one of the sensing modules adjacent to the second side, with respect to the display module. | 11-19-2009 |
20090294684 | ULTRAVIOLET INTENSITY DETECTING METHOD, FABRICATING DISPLAY APPARATUS METHOD AND DISPLAY APPARATUS USING THE SAME - A display apparatus is provided. The display apparatus is used for detecting an ultraviolet (UV) intensity. The display apparatus includes a lower-substrate, an upper-substrate and a processing unit. The lower-substrate includes a first, a second and a third photo sensors for detecting an intensity of the light in a first, a second and a third bands and converting the intensity of the light in the first, the second and the third bands into a first, a second and a third currents respectively, wherein the ranges of the second and the third bands are comprised within the range of the first band. The upper-substrate is disposed opposite to the lower-substrate. The processing unit is coupled to the first, the second and the third photo sensors, for receiving and processing the first, the second and the third currents so as to obtain the UV intensity. | 12-03-2009 |
20100172461 | SHIFT REGISTERS - A shift register including shift register units substantially cascaded is disclosed. Each shift register unit is controlled by first and second clock signals opposite to each other for generating an output signal. Each shift register unit includes first and second switch devices and first and second devices. The first switch device provides the output signal through an output node. The first driving device drives the first switch device according to a first input signal to activate the output signal. The second driving device provides a first voltage signal, according to the first clock signal, to drive the first switch device and de-activate the output signal. When the first switch device de-activates the output signal, the second switch device provides the second voltage signal to the output node according to the second clock signal. A level of the first voltage signal is lower than a level of the second voltage signal. | 07-08-2010 |
20120038604 | Display Device Having Memory In Pixels - The present invention relates to a memory circuit integrated in each pixel of a display device includes a switching circuit and a memory unit. The switching circuit includes a first transistor having a gate configured to receive a switching control signal, a source and a drain electrically coupled to a liquid crystal capacitor of the pixel, and a second transistor having a gate configured to receive a switching control signal, a source electrically coupled to a storage capacitor of the pixel, and a drain electrically coupled to the liquid crystal capacitor. The memory unit is electrically coupled between the source of first transistor and the storage capacitor. The switching control signal is configured such that in the normal mode, the first transistor is turned off, while the second transistor is turned on, so that the storage capacitor is electrically coupled to the liquid crystal capacitor in parallel and the memory unit is bypassed, and in the still mode, the first transistor is turned on, while the second transistor is turned off, so that the storage capacitor controls the memory unit to supply a stored data to the liquid crystal capacitor. | 02-16-2012 |
20120154320 | TOUCH PANEL AND PORTABLE ELECTRONIC DEVICE THEREOF - A touch panel and a portable electronic device thereof are provided. The present invention can accurately determine a position touched by a user on the touch panel by judging whether or not a potential voltage value between a reference capacitor and a sensing capacitor of a pixel having a sensing area being changed, or to determine whether a switch of a pixel having the sensing area being conducted. | 06-21-2012 |