Abstract: The disclosure relates to a pulse amplitude modulation (PAM) data encoding technique capable of reducing effects due to supply noise. A data transmission method according to an embodiment includes identifying an encoding rule of mapping a plurality of pieces of N-bit data and M data symbols, according to a designated level, obtaining a plurality of segmented pieces of data by performing segmentation on input data in units of N bits, mapping the obtained plurality of segmented pieces of data to the M data symbols based on the identified encoding rule, and transmitting the M data symbols obtained as a result of mapping through a plurality of single-ended data lines, wherein an absolute value of a sum of the M data symbols has a value equal to or less than the designated level.

Abstract: An electrode assembly is manufactured in which unit cells are wound with a separation film. Unit cells are mounted on an upper surface of the separation film to prepare an array body. One end of each of the unit cells where tabs of the unit cells are formed, another end of each of the unit cells, which are in the upper and lower portions of a direction parallel to a longitudinal direction of the separation film and parallel to a winding direction of the array body, and the separation film positioned at a corresponding location thereof. The heat-treated unit cells are wound with the separation film. An apparatus manufactures the electrode assembly.

Abstract: A pulse-amplitude modulation (PAM) transmitter includes a transceiver, and at least one processor connected to the transceiver and configured to identify, from among symbols included in an input signal, a symbol that exceeds a specified transition level, when the symbol exceeding the transition level is identified, obtain a frame buffer including at least one bit among bits constituting the identified symbol, encode input data by inverting at least one bit among the bits constituting the identified symbol, and transmit the frame buffer and the encoded input data.

Abstract: According to an aspect, a data inversion circuit configured to perform DBI-DC encoding using a PAM 4 signal may comprise a data generation unit configured to generate input data based on the PAM 4 signal and a data transmission unit comprising, an auxiliary signal generation unit configured to generate an auxiliary signal that determines whether to perform encoding on the input data by analyzing a plurality of data symbols included in the input data, a channel comprising a plurality of data lines and a data encoding unit configured to generate encoded data by performing DBI (data bus inversion) encoding on the data based on the auxiliary signal and to transmit the generated encoded data to a data reception unit via the channel.

Abstract: According to an aspect, a data inversion circuit configured to perform DBI-AC encoding using a PAM 4 signal may comprise a data generation unit configured to generate input data based on the PAM 4 signal, a channel comprising N data lines, a first auxiliary signal generation unit configured to generate a first auxiliary signal that determines whether to perform a first encoding on the input data based on the number of each of a plurality of data symbols included in the input data, a first data encoding unit configured to generate intermediate data by performing the first encoding on the input data based on the first auxiliary signal, a second auxiliary signal generation unit configured to generate a second auxiliary signal that determines whether to perform a third encoding on the intermediate data by analyzing the relationship between a plurality of data symbols at a current time point and a plurality of data symbols at a previous time point included in the intermediate data and a second data encoding unit c

Abstract: A current sensing device and an organic light emitting display device including the same are disclosed. The current sensing device includes a sensing unit selectively connected to a pixel and a reference current source through a sensing line. The sensing unit includes a plurality of resistors connected to a first node and setting a divided voltage according to a pixel current input from the pixel and a reference current input from the reference current source, a first MOS transistor connected between the first node and a second node, a second MOS transistor diode-connected to the second node, and a comparator having an inverting input terminal connected to a third node, a non-inverting input terminal connected to a fourth node, comparing a reference voltage charged at the third node when the reference current is input and a pixel voltage charged at the fourth node when the pixel current is input, and outputting a comparison result.

Abstract: A current sensing device and an organic light emitting display device including the same are disclosed. The current sensing device includes a sensing unit selectively connected to a pixel and a reference current source through a sensing line. The sensing unit includes a plurality of resistors connected to a first node and setting a divided voltage according to a pixel current input from the pixel and a reference current input from the reference current source, a first MOS transistor connected between the first node and a second node, a second MOS transistor diode-connected to the second node, and a comparator having an inverting input terminal connected to a third node, a non-inverting input terminal connected to a fourth node, comparing a reference voltage charged at the third node when the reference current is input and a pixel voltage charged at the fourth node when the pixel current is input, and outputting a comparison result.

Abstract: An electroluminescent display and a method of sensing electrical characteristics of the electroluminescent display are disclosed. The electroluminescent display includes a display panel including a plurality of pixels, a plurality of gate lines, and a plurality of data lines and a driver integrated circuit connected to the data line through a channel terminal. The driver integrated circuit includes a data voltage generator configured to generate a data voltage to be supplied to the pixel, a first switch connected between the channel terminal and the data voltage generator, a sensor configured to sense electrical characteristics of the pixel, and a second switch connected between the channel terminal and the sensor.

Abstract: An electroluminescent display and a method of sensing electrical characteristics of the electroluminescent display are disclosed. The electroluminescent display includes a display panel including a plurality of pixels, a plurality of gate lines, and a plurality of data lines and a driver integrated circuit connected to the data line through a channel terminal. The driver integrated circuit includes a data voltage generator configured to generate a data voltage to be supplied to the pixel, a first switch connected between the channel terminal and the data voltage generator, a sensor configured to sense electrical characteristics of the pixel, and a second switch connected between the channel terminal and the sensor.