Patent application number | Description | Published |
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 |
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 |
20120146965 | DISPLAY DRIVER CIRCUIT, OPERATING METHOD THEREOF, AND USER DEVICE INCLUDING THE SAME - A display driver circuit, including a source driver configured to drive source lines of a display panel, and a timing controller configured to transfer image data to the source driver and to control the source driver such that the transferred image data is displayed via the display panel, the timing controller also being configured to transfer to the source driver a control signal and a test pattern, which are used to test a bit error rate, and the source driver being configured to test the bit error rate of the transferred test pattern in response to the transferred control signal. | 06-14-2012 |
20130076703 | DISPLAY DRIVER CIRCUITS HAVING MULTI-FUNCTION SHARED BACK CHANNEL AND METHODS OF OPERATING SAME - Display driver circuits include a multi-function driver, which is configured to support first and second modes of operation. The multi-function driver supports the first mode of operation in response to a first control signal by driving a bus with an output signal, which has a value that indicates a locked or unlocked status of a clock signal therein. The multi-function driver also supports the second mode of operation in response to a second control signal by driving the bus with multi-bit data that is unrelated to the locked or unlocked status of the clock signal. | 03-28-2013 |
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 |