Patent application number | Description | Published |
20080204388 | Liquid crystal display device having time controller and source driver - A liquid crystal display (LCD) apparatus includes a time controller and a plurality of source drivers. The time controller may receive first data, and output a plurality of clock signals and a plurality of pieces of second data to display the first data. The plurality of source drivers may receive the plurality of pieces of second data and the plurality of clock signals from the time controller, convert the plurality of pieces of second data to a plurality of pieces of analog data, and output the plurality of pieces of analog data to a display panel. The time controller may be connected to the plurality of source drivers in a point-to-point fashion. The second data have a packet data format. | 08-28-2008 |
20090207118 | DATA DRIVING UNIT AND LIQUID CRYSTAL DISPLAY - A data driving unit and a liquid crystal display (LCD) are provided. The data driving unit includes a first buffer, a second buffer, a charge sharing switch connected between an output terminal of the first buffer and an output terminal of the second buffer, and a controller configured to compare a previous line-time data pattern with a current line-time data pattern and generate a control signal for controlling a switching operation of the charge sharing switch according to a comparison result. | 08-20-2009 |
20090322737 | Gate Driver, Method of Driving the Gate Driver, and Display Panel Driving Apparatus Including the Gate Driver - A display panel driving apparatus and a method of driving the same are provided, and, in particular, a gate driver and a method of driving the gate driver. The gate driver includes a decoder that decodes gate line selection data and that generates a gate line selection signal. A gate driving circuit generates a gate driving signal in a pre-charging phase and a driving phase in response to the gate line selection signal and a pre-charging control signal that controls an off-state of non-selected gate lines. In a time period of the driving phase in which a gate line is not selected, a node that has been in a floating state is held to a target voltage level in response to a hold control signal. The hold control signal is generated based upon a timing relationship between the gate line selection signal and the pre-charging control signal. | 12-31-2009 |
20100131688 | INTERFACE METHOD FOR DATA TX/RX SYSTEM USING DATA STREAM - An interface method for a data transmitting and receiving system including a transmitter and a receiver includes; resetting the receiver in response to a data stream communicated from the transmitter or upon detecting power-up of the transmitter or receiver, and operating the receiver in response to a current data stream received from the transmitter, wherein the operating of the receiver comprises at least one of; (a) updating data stored in the receiver according to control data contained in the current data stream, and (b) receiving payload data contained in the current data stream. | 05-27-2010 |
20100134467 | SYSTEM AND METHOD FOR TRANSMITTING AND RECEIVING SIGNALS - A system for transmitting and receiving a signal includes a transmitter that switches a first reference voltage and a second reference voltage and generates first and second voltage signals, and a receiver the receives the first and second voltage signals. The transmitter includes a reference voltage generator that generates the first reference voltage and the second reference voltage, and a switch block that switches the first reference voltage and the second reference voltage and outputs the first and second voltage signals. The receiver includes a resistor having two terminals to which the first and second voltage signals are applied. | 06-03-2010 |
20110037758 | CLOCK AND DATA RECOVERY CIRCUIT OF A SOURCE DRIVER AND A DISPLAY DEVICE - A clock and data recovery (CDR) circuit of a source driver includes a clock recovery unit and a delay locked loop unit. The clock recovery unit receives data bits and a clock code periodically inserted into the data bits through a clock embedded data channel in a display data mode, and is configured to generate a clock signal by detecting an edge of the clock code. The delay locked loop unit is configured to generate a multi-phase clock signal based on the clock signal in the display data mode. | 02-17-2011 |
20110194590 | TRANSCEIVER HAVING EMBEDDED CLOCK INTERFACE AND METHOD OF OPERATING TRANSCEIVER - A transceiver comprises a transmitter that converts a plurality of data components into serial data in response to a first clock signal and transmits the serial data, and a receiver that receives the serial data and converts the serial data into the plurality of data components in response to a second clock signal generated from the serial data. The transmitter adds at least one dummy bit to the serial data at predetermined intervals. The at least one dummy bit includes information regarding a data type of the plurality of data components. | 08-11-2011 |
20110292024 | Mode Conversion Method, And Display Driving Integrated Circuit And Image Processing System Using The Method - According to an example embodiment, a display driving integrated circuit (IC) includes a timing controller and a plurality of source drivers. The timing controller is configured to output a plurality of signals to the plurality of source drivers, and at least one of the timing controller and the plurality of source drivers operates in a power down mode in at least one of an initializing period, a data transmission period, and a vertical blank period. According to an example embodiment, a mode conversion method used in a display driving IC includes switching between a normal mode to a power down mode in response to a standby control signal. The power down mode is implemented on at least one of a timing controller and a plurality of source drivers included in the display driving IC in at least one of an initializing period, a data transmission period, and a vertical blank period. | 12-01-2011 |
20110298510 | VOLTAGE-CONTROLLED DELAY LINES, DELAY-LOCKED LOOP CIRCUITS INCLUDING THE VOLTAGE-CONTROLLED DELAY LINES, AND MULTI-PHASE CLOCK GENERATORS USING THE VOLTAGE-CONTROLLED DELAY LINES - A delay-locked loop circuit includes a voltage-controlled delay line configured to generate a plurality of delayed clock signals based on an input clock signal, a lock signal and a voltage control signal, the plurality of delayed clock signals being sequentially delayed from one another to produce an earliest delayed clock signal to a latest delayed clock signal, the voltage-controlled delay line including an anti-jitter delay circuit and a plurality of delay circuits, the anti-jitter delay circuit configured to output the earliest delayed clock signal, and the plurality of delay circuits coupled in series and configured to output a remainder of the plurality of delayed clock signals, a phase frequency detection circuit configured to generate an up signal and a down signal based on the earliest delayed clock signal and the latest delayed clock signal, a filter configured to generate the voltage control signal in response to the up signal and the down signal, and a lock detection circuit configured to generate the lock signal in response to the up signal and the down signal. | 12-08-2011 |
Patent application number | Description | Published |
20100060125 | HEIGHT ADJUSTING APPARATUS OF SHELF FOR REFRIGERATOR - A height adjusting apparatus of a shelf for a refrigerator in a refrigerator having the shelf on which objects to be stored are placed and which is movable up or down to a certain height, the apparatus comprising: fixing guides formed in parallel with the movement path of the shelf; and operation levers movable along the fixing guides when the shelf is moved upwardly or downwardly, and restricted in the fixing guides to maintain the shelf at a height that the shelf is moved upwardly or downwardly when the shelf is completely moved upwardly or downwardly. | 03-11-2010 |
20100236273 | ICE MAKING DEVICE FOR REFRIGERATOR - The present invention relates to an ice-making device for a refrigerator. The ice-making device of the present invention comprises a water tank detachably installed to a rear surface of a refrigerator door for selectively opening or closing a storage space, first and second ice trays rotatably installed to the rear surface of the door to make ice using water supplied from the water tank, and an ice bank installed to the rear surface of the door to store therein the ice made in the first and second ice trays. According to the present invention, ice can be more simply and easily taken out while minimizing the leakage of cold air circulating in the storage space. Further, ice can be stored in a more sanitary way while minimizing the contamination of the storage space in the process of making ice. | 09-23-2010 |
20100257888 | ICE MAKING APPARATUS FOR REFRIGERATOR - Disclosed is an ice making apparatus for a refrigerator, the apparatus comprising a frame having an accommodating space therein, and at least an ice tray detachably installed in the frame and configured to provide a space for containing water to make ice, whereby the ice making apparatus can be easily cleaned up and ice can be easily handled. | 10-14-2010 |
20110005262 | REFRIGERATOR - A refrigerator comprises: an opening disposed at one side of a door; an ice bank disposed on a rear surface of the door, and configured to be drawn out through the opening, for storing ice pieces; a guide unit for guiding the ice bank to be drawn out; and a volume control unit for changing a volume of the ice bank step by step. A volume of the ice bank is varied according to users necessity. This solves a users inconvenience to make ice pieces a plurality of times, for example, in summer when a large amount of ice pieces are required. | 01-13-2011 |
20110185759 | WATER FUNNEL AND ICE MAKER FOR REFRIGERATOR HAVING THE SAME - A water funnel and an ice maker for a refrigerator, the water funnel including a water collecting portion having a discharge hole through which water is collected and discharged; and a drain tube having a path therein, the path downwardly extending to be communicated with the discharge hole and having a uniform cross section or a cross section increasing toward a lower side thereof, whereby a blockage of the path is prevented and thusly water is smoothly supplied to the tray. | 08-04-2011 |
Patent application number | Description | Published |
20100060124 | ELEVATION ADJUSTMENT APPARATUS FOR SHELF IN REFRIGERATOR - In order to can conveniently operate the elevation of the shelf, move the shelf only by the movement of the shelf without performing the separate work in order to allow the user to move the shelf, and automatically fix the position of the shelf by means of the restoring force of the elastic member after the movement of the shelf is completed, the present invention discloses an elevation adjustment apparatus for a shelf in a refrigerator comprising an engaging guide lengthily formed up and down in the inside of the refrigerator; a shelf movably mounted up and down along the engaging guide; an engaging apparatus rotatably supported on the shelf and re-stricting the downward movement of the shelf by selectively hooking it on any position of the engaging guide by a rotation operation; and a load supporting apparatus supporting the load of the shelf at the position fixing the shelf by the engaging apparatus. | 03-11-2010 |
20100064721 | ELEVATION ADJUSTMENT APPARATUS FOR SHELF IN REFRIGERATOR - In order to allow a user to conveniently adjust the elevation of the shelf, simplify the structure not to generate noise, stably maintain the selected position of the shelf, and rapidly and considerably adjusting the elevation of the shelf, the present invention discloses an elevation adjustment apparatus for a shelf in a refrigerator comprises a shaft lengthily provided up and down in the inside of the refrigerator; a shelf moved up and down along the shaft; an operating lever hinged to the shelf and having a through hole through which the shaft penetrates; and an elastic member pushing the operating lever to contact the through hole to the shelf and hook them so that the up and down movement of the shelf is selectively restricted. | 03-18-2010 |
20100231111 | REFRIGERATOR - A refrigerator is provided. The refrigerator includes a main body defining a storage chamber, a door opening and closing the storage chamber, and a pivot guide unit connecting the door to the main body and varying a distance between a pivot shaft of the door and the main body in response to a pivot motion of the door. | 09-16-2010 |
20110016905 | ICE-MAKING ASSEMBLY FOR REFRIGERATOR - An ice-making assembly for a refrigerator is provided. The ice-making assembly includes a tray for making ice, a handling member for rotating the tray, a first rotation member rotatable with the handling member, a second rotation member rotating the tray, and a transmission member for transmitting rotation of the first rotation member to the second rotation member. An end of the transmission member is fixed to first rotation member, and the other end of the transmission member is fixed to the second rotation member. A force is transmitted from the handling member (a lever) to the tray through the transmission member, which has a strip shape and is coupled to or wound around the rotation member. Therefore, freezing between the transmission member and the rotation member can be minimized, and the lever can be smoothly handled. Thus, a force applied to the lever can be smoothly transmitted to the tray. | 01-27-2011 |
Patent application number | Description | Published |
20100101266 | REFRIGERATOR AND DRAWER OPENING/CLOSING APPARATUS FOR THE SAME - The present invention relates to a refrigerator and a drawer opening/closing apparatus for a refrigerator wherein a main drawer and an auxiliary drawer are drawn at the same time or independently, the convenience of use is advantageously improved because it is possible for an user to automatically open the auxiliary drawer without directly opening the auxiliary drawer. | 04-29-2010 |
20100147011 | ICE-MAKING ASSEMBLY AND REFRIGERATOR USING THE SAME - The present invention relates to an ice-making assembly for a refrigerator and a refrigerator including the same. According to the present invention, a freezing chamber door is provided with an ice-making assembly, and ice made by the ice-making assembly can be immediately drawn out to the outside by opening an exclusively used home-bar door. In addition, an ice-making case is coupled by a coupling means formed integrally with the freezing chamber door and the ice-making case without a coupling tool or operation. Moreover, according to the present invention, if a water bucket is installed to the ice-making case, a water supply hole of the lower end of the water bucket is opened by an opening and closing means, so that water in water bucket is automatically supplied to an ice tray. In addition, an ice-separating lever having a ‘⊂’ shape is provided to simultaneously rotating a plurality of ice trays. Meanwhile, in the present invention, an ice bank cooperates with the home-bar door to be drawn out forward as the home-bar door is opened. According to the present invention, the use convenience of a refrigerator is improved. | 06-17-2010 |
Patent application number | Description | Published |
20120319765 | SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF SUPPLYING POWER TO THE SAME - A semiconductor IC including a supply voltage generator, one or more first circuit blocks, and one or more second circuit blocks. The supply voltage generator is configured to generate a first supply voltage and a second supply voltage based on an external supply voltage, and to provide the first supply voltage to a first power bus and the second supply voltage to a second power bus. The first circuit blocks are connected between the first power bus and the second power bus, and the second circuit blocks are connected between the second power bus and ground. | 12-20-2012 |
20130113777 | METHOD OF TRANSFERRING DATA IN A DISPLAY DEVICE - A method of transferring data between a timing controller and a plurality of source drivers in a display device is disclosed. The method includes: (a) setting a first source driver of the plurality of source drivers to convert first signals having first voltage levels to second signals having second voltage levels; (b) receiving, by the first source driver, a first test pattern from the timing controller; (c) performing a test by the first source driver, based on the first test pattern, to determine whether an error has occurred in the first test pattern; and (d) when an error has occurred in the first test pattern, adjusting, by the first source driver, an output level of a receiver of the first source driver, so that the first source driver converts the first signals to third signals having third voltage levels different from the second voltage levels. | 05-09-2013 |
20140192097 | DISPLAY DRIVER CIRCUIT AND METHOD OF TRANSMITTING DATA IN A DISPLAY DRIVER CIRCUIT - A display driver circuit includes a source driver and a display driver. The source driver drives source lines of a display panel, and the timing controller transmits image data to the source driver and controls the source driver such that the transmitted image data is displayed in the display panel. The timing controller randomizes the image data in a scrambling mode when the timing controller transmits data packets including pixel data field in which the image data is written. | 07-10-2014 |
20140240365 | SEMICONDUCTOR DEVICE CONTROLLING SOURCE DRIVER AND DISPLAY DEVICE INCLUDING THE SEMICONDUCTOR DEVICE THE SAME - A semiconductor device includes: a transmitter transforming n data into first serial data and transmitting the first serial data through a first transmission line and transforming m data into second serial data and transmitting the second serial data through a second transmission line, where n and m are natural numbers at least one of which is greater than 1; a first driver integrated circuit (IC) group including n driver ICs; and a second driver IC group including m driver ICs, wherein each of the n driver ICs receives the first serial data through the first transmission line and is driven by part of the first serial data, each of the m driver ICs receives the second serial data through the second transmission line and is driven by part of the second serial data, and each of the n data and the m data includes identification information about a driver IC. | 08-28-2014 |
20140240371 | Phase Locked Loop for Preventing Harmonic Lock, Method of Operating the Same, and Devices Including the Same - A phase locked loop includes a voltage controlled oscillator including a plurality of delay cells configured to respectively generate a plurality of clock signals having different phases and a harmonic lock detector configured to detect harmonic lock in the voltage controlled oscillator and to generate a reset signal in response. Remaining ones of the delay cells other than a first delay cell among the plurality of delay cells are reset in response to the reset signal. | 08-28-2014 |
20140253535 | DISPLAY INTERFACE THAT COMPRESSES/DECOMPRESSES IMAGE DATA, METHOD OF OPERATING SAME, AND DEVICE INCLUDING SAME - A source driver integrated circuit (IC) includes a logic circuit configured to receive a transmission data packet including data, a compression code indicating compression or non-compression of the data, and a clock signal, to interpret the compression code, and to generate a sleep mode enable signal based on an interpretation result, and a clock signal recovery circuit configured to enable one of a voltage-controlled delay line and a voltage-controller oscillator in response to the sleep mode enable signal. | 09-11-2014 |