Abstract: Disclosed is a deterioration sensing apparatus for a display device, capable of rapidly sensing deterioration by pre-charging a sensing voltage in adjacent pixels while a deterioration of a single pixel is sensed in a display device having a plurality of pixels, in, particular, an organic light emitting diode panel.

Abstract: There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof, and precisely setting calibration data by removing an IR drop across a transistor, employed as a switch in the pixels, by calculating a difference between at least two representative values of different gray scale ranges among predetermined gray scale ranges.

Abstract: There is provided an active matrix organic light emitting diode display, including a data driver converting pre-prepared correction data into an analog correction signal and generating a driving signal according to the analog correction signal, a selector selecting a charging path for programming, according to the driving signal in a preset programming period and selecting a deterioration detection path in a preset emission period, a pixel unit including an organic light-emitting diode connected between a power supply receiving power and a ground, charging a value corresponding to the correction data according to the driving signal in the programming period, and allowing current to flow to the organic light-emitting diode according to the charged value in the emission period, and an ADC detecting deterioration voltage having deterioration information of the organic light-emitting diode of the pixel unit in the emission period.

Abstract: There is provided an active matrix organic light emitting diode display including: a data driving unit converting previously prepared correction data into a correction signal and generates a driving signal according to the analog correction signal; a pixel unit having an organic light emitting diode (OLED) between first and second power supply terminals receiving first and second powers, respectively, charging a value corresponding to the correction data according to the driving signal in a predetermined programming period, detecting the driving signal in order to detect deterioration, and allowing current to flow through the OLED according to the value charged in the predetermined programming period in a predetermined holding period; and an ADC detecting deterioration voltage corresponding to the driving signal having deterioration information of the OLED of the pixel unit in the holding period.

Abstract: There is provided an organic light emitting diode driver being capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof. The organic light emitting diode driver includes a converting unit converting input data into compensation data used to selectively compensate for pixel deterioration depending on whether the input data has been calibrated or not; a driving unit driving pixels of a pixel unit based on the compensation data from the converting unit; and a compensating unit providing the converting unit with a deterioration compensation signal based on deterioration information obtained from a pixel driven by the driving unit.

Abstract: Disclosed herein is an organic electroluminescence display. The organic electroluminescence display includes: a plurality of pixels arranged in a matrix format on a display panel and configured of first to N+K-th rows; a plurality of first data lines connected to pixels each in the same column of pixels in the first to N-th rows; a plurality of second data lines connected to pixels each in the same column of pixels in the k+1-th to N+K-th rows; and a plurality of pixel driving buffers sensing time constants of the second data lines and compensating for data currents according to the number of sensed time constants to drive the respective corresponding first data lines with the compensated data currents. The organic electroluminescence display can reduce operation deviation between the pixels according to parasitic components of the data lines.

Abstract: Disclosed herein are a current driving circuit and a light storage system having the same. The current driving circuit includes a plurality of channel circuits that include a first transistor into which the input current flows, a second transistor generating the output current by mirroring the input current, a plurality of switches connected between the first and second transistors in parallel and optionally electrically connecting the first and second transistors in response to the control signals, a controller optionally activating the control signals each corresponding to the switches according to the magnitude of the input current; and an adder that adds output currents of the channel circuits to generate driving current. The current driving circuit can stably supply the driving current while preventing a delay in the driving current.

Abstract: The present invention provides a frequency tuning/DC offset canceling circuit for continuous-time analog filter with time division, the frequency tuning/DC offset canceling circuit including: a frequency tuning/DC offset canceling unit for performing frequency tuning by comparing an output voltage with a reference voltage when a frequency tuning control signal is inputted, and canceling a DC offset after terminating the frequency tuning when a DC offset canceling control signal is inputted; and a control signal generator for generating the frequency tuning control signal and the DC offset canceling control signal based on a reference clock in time division.

Abstract: The present invention provides a frequency tuning/DC offset canceling circuit for continuous-time analog filter with time division, the frequency tuning/DC offset canceling circuit including: a frequency tuning/DC offset canceling unit for performing frequency tuning by comparing an output voltage with a reference voltage when a frequency tuning control signal is inputted, and canceling a DC offset after terminating the frequency tuning when a DC offset canceling control signal is inputted; and a control signal generator for generating the frequency tuning control signal and the DC offset canceling control signal based on a reference clock in time division.