Patent application number | Description | Published |
20120026437 | LIQUID CRYSTAL DISPLAY AND PIXEL UNITS THEREOF - The present invention provides a liquid crystal display and pixel units thereof. The pixel unit has a plurality of subpixel units, and each of the subpixel units is a rectangular block, and the rectangular block is divided into a triangular bright-partition and a triangular dark-partition along an inclined line, and the bright-partition of each subpixel unit corresponds to the dark-partitions of adjacent subpixel units, so as to reduce jagged phenomenon of lines in screen images with the configuration of the pixel unit, and thereby enhance image quality of the liquid crystal display. | 02-02-2012 |
20120274212 | LED MODULE AND LED LIGHT STRING USING THE SAME - The present invention provides an LED moudle and an LED light string using the same. The LED module has an input terminal, an output terminal, a primary LED, a spare LED and a switching module. The switching module controls the spare LED to be switched off while the primary LED is switched on; and controls the spare LED to be switched on while the primary LED is burned out. Hence, the present invention extends a service life of the LED light string using the LED modules in the backlight module. | 11-01-2012 |
20120306938 | LCD DEVICE AND DRIVING METHOD THEREOF - Disclosed are a LCD device and a driving method thereof. A counting control unit is used for outputting control signals periodically. A determining unit receives the video signal and the control signal and determines if it is necessary to determine the video signal of a current frame is identical with the video signal of a previous frame based on the control signal. If it is not necessary, the determining unit commands light sources to be turned on. If it is necessary, the determining unit commands the light sources to be turned on when the video signal of the current frame and the video signal of the previous frame are different, and to be turned off when the video signal of the current frame and the video signal of the previous frame are identical. Through the above mentioned mechanism, power consumption of the LCD is greatly reduced. | 12-06-2012 |
20130057460 | LCD driving circuit, data-driven chip, liquid crystal panel and liquid crystal display device - The invention discloses an LCD driving circuit, a data-driven chip, a liquid crystal panel, and a liquid crystal display. The LCD driving circuit comprises a data-driven chip with a plurality of output ends, and a plurality of data lines connected to the output ends of the data-driven chip respectively. Output resistors are arranged between the output ends of the data-driven chip and the data lines respectively; equivalent resistances of the data lines are different; and the equivalent resistance of each of the data lines is equal to the sum of the output resistances corresponding to the data line. The invention adopts the output resistors to substitute serpentine windings. Because the width occupied by the output resistances is less than the width occupied by the serpentine windings, a winding space in a glass substrate can be saved to realize a narrow frame design. In addition, because a frame per unit width can accommodate more data lines, thus the cost can be decreased. | 03-07-2013 |
20130057462 | LED Driving Circuit, Liquid Crystal Display Device and Driving Method Thereof - The present invention discloses a LED driving circuit, a LCD device and a driving method thereof wherein said LED driving circuit comprises LED strings, a power supply module for supplying power for the LED strings under the control of the on/off signal, and an output capacitor which is in parallel connection with the LED strings; and said LED driving circuit also comprises a discharge module which is in parallel connection with the output capacitor and operates when the on/off signal is at low level. Because the output capacitor is in parallel connection with a controllable discharge module, the discharge module can be connected at the interval between ON and OFF to discharge the output capacitor. The present invention solves the problem of extra charges remaining in the capacitor so that the LED can not be turned on twice in ON operation; meanwhile, the consumption of the circuit under normal operation is not affected. | 03-07-2013 |
20130120344 | OUTPUT COMPENSATION CIRCUIT AND OUTPUT COMPENSATION METHOD FOR LCD DATA DRIVE IC, AND LCD - An output compensation circuit and an output compensation method for an LCD data drive IC as well as an LCD comprising the same are disclosed. The output compensation circuit comprises a data drive IC, a plurality of first switch units and a plurality of delay control units. A plurality of output channels of the data drive IC each are connected with a corresponding row of pixel electrodes on a glass substrate via a data line respectively to output a charging signal. Each of the first switch units control the corresponding output channel according to a delay control signal generated by the corresponding delay control unit. Each of the delay control units is configured to generate the delay control signal-used to control the first switch unit to be turned on after a predetermined delay so that the charging time is the same for all the pixel electrodes. | 05-16-2013 |
20130271500 | LED Backlight Driving Circuit, Backlight Module, and LCD Device - The invention provides an LED backlight driving circuit, a backlight module, and an LCD device. The LED backlight driving circuit includes LED light string(s); an anode of the LED light string is connected with a boost circuit, and a cathode of the LED light string is connected with a buck-boost circuit. The invention has the advantages that the limitation of the maximum voltage supplied by the single boost circuit is broken, the voltage difference between both ends of the LED light string is added, namely more LED lights can be connected in series in a single channel. Therefore, the requirement is met by a single string of LEDs or few strings of LEDs instead of the original multiple strings of LEDs, the difficulty of the current sharing of the LED light strings is reduced, the type selection of current sharing IC is convenient, equipment involved therein doesn't need a high voltage resistance, and the use of the current sharing IC is reduced, thereby favoring cost reduction. | 10-17-2013 |
20140063756 | PRINTED CIRCUIT BOARD (PCB), LAMINATING METHOD OF THE PCB AND CHIP ON FLEXIBLE PRINTED CIRCUIT BOARD, AND LCD DEVICE - A laminating method of a chip on flexible printed circuit board (COF) and a printed circuit board assembly (PCBA) includes
| 03-06-2014 |
20140111502 | SCAN DRIVING CIRCUIT OF LCD PANEL, LCD DEVICE, AND DRIVING METHOD - The present disclosure discloses a scan driving circuit of a liquid crystal display (LCD) panel, an LCD device and a driving method. The scan driving circuit of the LCD panel includes a time delay component. An input end of the time delay component is coupled to an output enable. An output end of the time delay component is coupled to a dock voltage pulse. A delay time of the time delay component is less than an action time of a single output enable cycle. | 04-24-2014 |
20140152645 | LCD PANEL DRIVING METHOD, DRIVING CIRCUIT AND LCD DEVICE - A driving method of a liquid crystal display (LCD) panel comprises a scan driving process and a data driving process. In the scan driving process, overlapping time regions are formed simultaneously between a positive edge and a negative edge of the scan lines when a drive of a last row of a scan line is switched to drive of a next row of the scan line. In the data driving process, when a time of data signal corresponding to the last row of the scan line overlaps a time of the overlapping time regions, the data signal corresponding to the next row of the scan line are outputted. | 06-05-2014 |
20140176406 | LCD PANEL DRIVER CIRCUIT, DRIVING METHOD AND LCD DEVICE - A liquid crystal display (LCD) panel driver circuit includes a control circuit board, and an LCD panel. The LCD panel includes scan lines and data lines. The control circuit board includes a data driver module that drives the data lines. The LCD panel is configured with a switch module, and the data driver module is coupled to each of the data line via the switch module. The switch module is turned of before a drive of a last line of the scan line ends, and the switch module is turned on when a drive of the next row of the scan line starts. | 06-26-2014 |
20140292731 | DRIVING CIRCUIT OF LIQUID CRYSTAL PANEL, LIQUID CRYSTAL PANEL, AND A DRIVING METHOD - A liquid crystal (LC) panel includes a plurality of data lines and a plurality of leads connected to the data lines, the driving circuit of the LC panel includes a monitor module and a data-driving module, the data-driving module includes a data latch unit coupled to the lead of the LC panel. The monitor module outputs a time sequence signal to control the data latch unit to output a display signal to the data line. The driving circuit of the LC panel includes a delay unit corresponding to the data line, and the time sequence signal is sent to the data latch unit through the delay unit. When the delay unit reaches a preset delay time, the time sequence signal controls the data latch unit to the display signal to a corresponding data line, and a delay time of a delay unit coupled to a long lead of the LC panel is shorter than a delay time of a delay unit coupled to a short lead of the LC panel. | 10-02-2014 |
20140354934 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE DISPLAY DEVICE - A display device includes a display panel, a fan out area arranged at an edge of the display panel, a plurality of gate chip on films (G-COFs) are bonded on the edge of the display panel. The plurality of G-COFs are electrically connected with each other through the transmission circuit line, and at least one part of the transmission circuit line among the G-COFs is arranged on an external circuit board of the display panel. | 12-04-2014 |
20140375614 | ACTIVE MATRIX DISPLAY, SCANNING DRIVEN CIRCUIT AND THE METHOD THEREOF - An active matrix display, and the scanning driven circuit and the scanning driven method thereof are disclosed. The scanning driven circuit includes a delaying module. An input end of the delaying module receives input signals integrated by initial clock voltage pulse (CKV) signals and start voltage pulse (STV) signals. The input signals are delayed by a first delayed portion and a second delayed portion such that a first output of the delaying module outputs output enable (OE) signals and a second output of the delaying module outputs the delayed CKV signals. In this way, the number of the transmission lines is decreased, and the number of the output pins of the timing control chips and that of the input pins of the scanning driven chips are also decreased. | 12-25-2014 |
20150015157 | LCD Display, a Driving Device for Driving the LCD display, and a Driving Method for Driving the LCD Display - The present invention discloses an LCD display and related driving device and driving method. The driving method includes: obtaining an accumulated working time of the LCD display; obtaining a high reference voltage corresponding to the accumulated working time; utilizing the high reference voltage to drive the LCD display; making a multiplying product of a transmittance and a backlight magnitude of the LCD display remain equal or proximity. The present invention suppresses the backlight magnitude decrease phenomenon due to the long-used term of the LCD display such that the display quality can be improved. | 01-15-2015 |
20150015560 | DATA DRIVING CIRCUIT OF LCD PANEL, LCD PANEL, AND LCD DEVICE - A data driving circuit of a liquid crystal display (LCD) panel includes a data driving chip and at least two isolation driving units. The data driving chip includes a plurality of data driving units that drive data lines of the LCD panel, and the data driving unit includes a port that limits a range of a working voltage of the data driving unit. The isolation driving unit outputs a preset reference voltage to the port of the data driving unit. | 01-15-2015 |