Patent application number | Description | Published |
20090146940 | Liquid crystal display device - A display having a data driving integrated circuit includes N number of output channels (where N is an integer) having at least two regions including a first output channel and an Nth output channel, a data output channel group including M data output channels (where M is an integer less than N), the M data output channels supplying pixel data to a corresponding number of the data lines in accordance with a desired resolution of the display, wherein (N−M) output channels are not supplied with pixel data, and the (N−M) output channels are located between the first output channel and the Nth output channel, and a channel selector selecting the M data output channels. | 06-11-2009 |
20090303225 | Liquid crystal display and method of driving the same - A liquid crystal display (LCD) device and a driving method thereof for improving a working efficiency of the LCD and reducing manufacturing costs. The liquid crystal display device includes a liquid crystal display panel having liquid crystal cells at crossings of data lines and gate lines, data integrated circuit supplying pixel data via a plurality of data output channels, a gate integrated circuit driving the gate lines, a channel selector for selecting the plurality of data output channels of the data integrated circuits in accordance with a number of the data lines wherein only the selected data output channels contain the pixel data, and a timing controller for controlling the data integrated circuit and the gate integrated circuit. | 12-10-2009 |
20110075072 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel; a plurality of light emitting diode units to supply light to the liquid crystal panel; and a scan line and a light emission data line connected to the LED unit, wherein the scan line and the light emission data line transfer a scan signal and a light emission data current, respectively, wherein the LED unit includes: a switching circuit that is connected to the scan line and the light emission data line; a current mirror circuit that is connected to the switching circuit, and that outputs a light emission current in response to the light emission data current; and an LED that emits the light in response to the light emission current. | 03-31-2011 |
20110096272 | COLOR MIXING LENS AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for placing the light emission diodes therein respectively, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof. | 04-28-2011 |
Patent application number | Description | Published |
20100097870 | SEMICONDUCTOR MEMORY DEVICE FOR CONTROLLING OPERATION OF DELAY-LOCKED LOOP CIRCUIT - A semiconductor memory device for controlling an operation of a delay-locked loop (DLL) circuit is provided. The semiconductor memory device includes a DLL circuit that receives an external clock signal and that performs a locking operation on the external clock signal and an internal clock signal, thereby obtaining a locked state. A control unit controls the DLL circuit to constantly maintain the locked state during an updating period of an auto-refresh period of an auto-refresh operation for refreshing memory banks. | 04-22-2010 |
20120218848 | SEMICONDUCTOR MEMORY DEVICE FOR CONTROLLING OPERATION OF DELAY-LOCKED LOOP CIRCUIT - A semiconductor memory device for controlling an operation of a delay-locked loop (DLL) circuit is provided. The semiconductor memory device includes a DLL circuit that receives an external clock signal and that performs a locking operation on the external clock signal and an internal clock signal, thereby obtaining a locked state. A control unit controls the DLL circuit to constantly maintain the locked state during an updating period of an auto-refresh period of an auto-refresh operation for refreshing memory banks. | 08-30-2012 |
20130003477 | SEMICONDUCTOR MEMORY DEVICE INCLUDING SPARE ANTIFUSE ARRAY AND ANTIFUSE REPAIR METHOD OF THE SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device including an antifuse cell array and a spare antifuse cell array are provided. An antifuse cell array includes a first set of antifuse cells arranged in a first direction and each one of the first set of antifuse cells is connected to a corresponding one of first through nth word lines. The spare antifuse cell array includes a first spare set of antifuse cells arranged in the first direction and each one of the first spare set of antifuse cells is connected to a corresponding one of first through kth spare word lines. A first operation control circuit is configured to program antifuses of the antifuse cell array and the spare antifuse cell array, and to read a status of each of the antifuses. The first operation control circuit is commonly connected to the first set of antifuse cells and the first spare set of antifuse cells. | 01-03-2013 |
20130286759 | METHOD OF SELECTING ANTI-FUSES AND METHOD OF MONITORING ANTI-FUSES - For selecting anti-fuses in a semiconductor memory device, a decoder block may be enabled to receive selection information for selecting the anti-fuses. The selection information is decoded in the decoder block to select at least one of the anti-fuses. Target operation is performed on the selected anti-fuses. The decoder block is disabled. | 10-31-2013 |