Patent application number | Description | Published |
20090091527 | Display and Method of Transmitting Image Data Therein - A display is provided. The display includes a first timing controller, a second timing controller and drivers. The first timing controller receives and transmits a first portion of pixel values, in which the first portion of the pixel values includes the pixel values of at least two non-adjacent pixels. The second timing controller receives and transmits a second portion of the pixel values, in which the second portion of the pixel values includes the pixel values of at least two non-adjacent pixels. Each of the drivers receives respectively a part of the first portion of the pixel values transmitted by the first timing controller and a part of the second portion of the pixel values transmitted by the second timing controller. A method of transmitting image data in the display is also disclosed. | 04-09-2009 |
20100013507 | Panel Circuit Structure - A panel circuit structure for transmitting electrical signals to an active area is provided. The panel circuit structure includes a first transmission pad, a first test pad, a second transmission pad, a second test pad, and a third transmission pad, which are connected to a driving element. The first transmission pad, the first test pad, the second transmission pad, and the second test pad transmit electrical signals to the active area via the first transmission lines and second transmission lines. The first transmission pads and the second transmission pads are disposed at a first end of the driving element while the third transmission pad is disposed at a second end of the driving element. The first and second test pads are disposed outside the coverage area of the driving element. | 01-21-2010 |
20100053060 | Control Signal Generation Method of Integrated Gate Driver Circuit Integrated Gate Driver Circuit and Liquid Crystal Display Device - A control signal generation method of integrated gate driver circuit includes the steps of: providing one gate control signal to an integrated gate driver circuit; and generating a plurality of internal control signals by the integrated gate driver circuit according to on the gate control signal to control internal operations of the integrated gate driver circuit. Furthermore, an integrated gate driver circuit is adapted to receive one external gate control signal. The integrated gate driver circuit includes an internal control signal generation circuit for generating a plurality of internal control signals according to the external gate control signal to control internal operations of the integrated gate driver circuit. In addition, a liquid crystal display device using the above-mentioned integrated gate driver circuit also is provided. | 03-04-2010 |
20100134442 | Detecting Method for Photo-Sensor Touch Panel and Touch-Sensitive Electronic Apparatus using the same - An exemplary detecting method for a photo-sensor touch panel and a touch-sensitive electronic apparatus using the same are provided. In aforementioned method, an image frame is obtained by scanning the photo-sensor touch panel. Then, a distribution area of data points in the image frame each having a brightness between a predetermined brightness and a first threshold brightness is defined as a first sensing area, and a distribution area of data points in the image frame each having a brightness between the predetermined brightness and a second threshold brightness is defined as a second sensing area. Afterward, it is determined that whether a real touch probably/really occurred according to a relative distance between one of first data points and corresponding one of second data points. The first data points located in the first sensing area, and the second data points located in the second sensing area. | 06-03-2010 |
20100302182 | TOUCH PANEL WITH REDUCED CHARGE TIME - A touch panel includes a sensing region, a storage unit, a precision rectifier circuit and a comparing circuit. There exists an equivalent capacitance at a predetermined location in the sensing region. At the predetermined location, the sensing region can provide a first signal before a touch action occurs and a second signal after the touch action occurs. The precision rectifier circuit can control the signal transmission path between the predetermined location and the storage unit. After being charged by the first and second signals, the storage unit can respectively provide corresponding third and fourth signals. The comparing circuit can thus determine whether the touch action occurs at the predetermined location according to the third and fourth signals. | 12-02-2010 |
20110037708 | TOUCH PANEL DEVICE HAVING HIGH TOUCH SENSITIVITY AND TOUCH POSITIONING METHOD THEREOF - A touch panel device having high touch sensitivity includes sensing capacitors, switches, storage capacitors, a differential amplifier and a signal processing unit. During a sense period, the switches are periodically turned on alternately for periodically transferring the charges of the sensing capacitors to the storage capacitors. The differential amplifier is put in use for amplifying the voltage difference of two corresponding storage capacitors for generating a touch readout signal. The signal processing unit performs an OR operation on two touch readout signals generated during different sense periods based on different sensing capacitor combinations regarding same panel touch position for providing a touch position signal. | 02-17-2011 |
20110063246 | CAPACITIVE TOUCH DETECTION SYSTEM AND DETECTION SIGNAL RECEIVING AND WAVEFORM SHAPING MODULE - An exemplary capacitive touch detection system includes a capacitive touch panel and a detection control circuit. The capacitive touch panel includes a plurality of input terminals and output terminals. The detection control circuit includes a scanning signal transmitting module electrically coupled to the input terminals and a detection signal receiving and waveform shaping module including a receiver and an impedance-matching network. The detection signal receiving and waveform shaping module is electrically coupled to the output terminals for receiving and processing a plurality of detection signals outputted from the respective output terminals and thereby producing a plurality of processed detection signals. The receiver is used for receiving the detection signals. The impedance-matching network is used for performing a waveform shaping operation applied to the detection signals to compensate an effect caused by uneven RC loading distribution in the capacitive touch panel and thereby producing the processed detection signals. | 03-17-2011 |
20110285663 | TOUCH DETECTING METHOD AND FLAT DISPLAY DEVICE WITH IN-CELL TOUCH PANEL - A touch detecting method comprises: enabling a sample signal in a period between driving a previous gate line and a previous two gate line before a corresponding gate line of a sense unit, and sampling a readout signal in a corresponding readout line during a sample period corresponding to the enabled sample signal by a readout unit; using the sampled readout signal during the sample period by the readout unit as a sample reference signal; enabling a sense readout signal in a period between driving the corresponding gate line of the sense unit and a next gate line, and reading out the readout signal during a sense readout period corresponding to the enabled sense readout signal; using the readout signal during the sense readout period as a sense signal; and judging whether the sense unit is touched according to the sample reference signal and the sense signal. | 11-24-2011 |
20110298759 | Method of Reducing Noises on a Touch Panel - During test of a display, a synchronous reference signal is determined, and an appearing moment of a minimal-noise signal is determined based on a start moment of the synchronous reference signal. Therefore, during other tests or usage by a user on the display, noise from data lines due to data coupling may be avoided, and detection and determination of touch commands on a touch panel of the display may be isolated from being disturbed by the noise. | 12-08-2011 |
20110316795 | METHOD FOR CORRECTING AND RECORDING INITIAL TOUCH POINTS ON TOUCH PANEL - While correcting and recording initial touch points on a touch panel, a plurality of sensors on the touch panel are classified into a plurality of first sensing groups assigned with serial numbers, and a plurality of sensors of each the first sensing group are equally divided into a plurality of second sensing groups assigned with serial numbers. After detecting initial touch points on the touch panel, a plurality of headers are generated for the plurality of first sensing groups, and a data structure is generated for each of the sensors having detected initial touch points according to whether first sensing groups corresponding to the headers have the sensors having the detected initial touch points or not. At last, the initial touch points are filtered off from a plurality of detected touch points on the touch panel, according to initial touch point information recorded in loaded data structures. | 12-29-2011 |
20120154322 | METHOD FOR DETERMINING SCANNING TIMES OF TOUCH DRIVING PULSE IN A TOUCH PANEL - A method for determining scanning times of touch driving pulse in a touch panel includes steps of: judging a current gate line scan period is in which one of a data updating time period and a blanking time period; if the current gate line scan period is in the data updating time period, setting a scanning times of touch driving pulse in the current gate line scan period to be a first value; and if the current gate line scan period is in the blanking time period, setting the scanning times of touch driving pulse in the current gate line scan period to be a second value. The first value is different from the second value, and a time for touch driving pulse scanning is non-overlapped with another time for providing display data to data lines of the touch panel in each scan line scan period. | 06-21-2012 |
20120319962 | METHOD FOR CONTROLLING OPERATIONS OF A TOUCH PANEL - A method for controlling operations of a touch panel includes synchronizing timing of a plurality of gate lines and timing of a plurality of touch sensors; determining whether polarities of common voltages of a display layer are consistent when driving signals are outputted to a first gate line and a second gate line, the second gate line following the first gate line; and if the polarities are consistent, outputting at least one driving pulse to a touch sensor of the plurality of touch sensors after image data corresponding to the second gate line is transmitted to the display layer. | 12-20-2012 |
Patent application number | Description | Published |
20100045587 | DRIVING APPARATUS FOR LIQUID CRYSTAL DISPLAY - A driving apparatus for a liquid crystal display (LCD) is provided. The driving apparatus includes a plurality of data driving ICs and a control board. The data driving ICs are used for receiving and transmitting a clock signal, a plurality of data signals and a first reference voltage from the 1st data driving IC to the last data driving IC in series. The control board is used for providing the clock signal, the data signals and the first reference voltage, and changing the first reference voltage received by each data driving IC according to a variation of the clock signal and the data signals transmitted between the data driving ICs, so that the operation frequency of the data driving ICs is unrestricted. | 02-25-2010 |
20130120232 | DRIVING APPARATUS FOR LIQUID CRYSTAL DISPLAY - A driving apparatus for a liquid crystal display (LCD) is provided. The driving apparatus includes a plurality of data driving ICs and a control board. The data driving ICs are used for receiving and transmitting a clock signal, a plurality of data signals and a first reference voltage from the 1 | 05-16-2013 |
20140092056 | TOUCH APPARATUS AND TOUCH SENSING METHOD THEREOF - The touch apparatus includes a touch panel, a signal generation unit for generating a driving signal, an inductor, and a detection unit. The touch panel has touch areas. The inductor is coupled between the touch panel and the signal generation unit and transmits the driving signal to the touch areas. The detection unit is coupled to the touch panel and the signal generation unit, receives touch signals from the touch areas, and calculates capacitance variances of the touch areas according to the touch signals and an output timing of the driving signal, so as to detect a touch point of the touch panel. A frequency of the driving signal is equal to a resonant frequency of a reference capacitance of the touch panel and an inductance of the inductor. | 04-03-2014 |
Patent application number | Description | Published |
20090009992 | BACKLIGHT MODULE - A backlight module including a plurality of lamps, a first circuit board, and a second circuit board is provided. Each lamp has a first electrode and a second electrode. The first circuit board has a plurality of first openings and first conductive clips. The first electrode is disposed to extend through the first opening and to be clamped by the first conductive clip. Furthermore, a plurality of current adjustment devices is disposed on the first circuit board. The current adjustment device is electrically coupled to the first electrode through the first conductive clips. In the backlight module, the conductive clips or clamping pins of the current adjustment devices are used to hold the electrodes of lamps, thereby facilitating the assembly process of backlight module. | 01-08-2009 |
20110210924 | SNR ENHANCEMENT FOR DIFFERENTIAL INPUT DEVICE - The present invention relates to a position detector and a touch sensing device of using same with SNR enhancement. In one embodiment, the position detector has (P+1) inputs, each input for receiving an input signal associated with a position, P being a positive integer, and P operational amplifiers, each operational amplifier having a non-inverting input and an inverting input, where the inverting input of the j-th operational amplifier is electrically connected to the non-inverting input of the (j+1)-th operational amplifier, and the non-inverting input and the inverting input of the j-th operational amplifier are electrically connected to the j-th input port and the (j+1)-th input port, respectively, j=1, 2, 3, . . . , (P−1). | 09-01-2011 |