G09G2300/0828

DISPLAY DEVICE AND METHOD OF DRIVING SAME

The organic EL display device includes: a current monitoring section that measures a current flowing in a circuit element and outputs a digital measured value in accordance with the measured current; and an averaging section (36) that calculates an average value of a plurality of input values. The current monitoring section measures the current flowing in a circuit element in each pixel circuit a plurality of times in a fixed amount of time. For each pixel circuit, the averaging section (36) receives a plurality of measured values outputted from the current monitoring section in a fixed amount of time as a plurality of input values and outputs an average value of the plurality of digital measured values as a value for use in compensation computation to compensate for degradation of the circuit element.

DISPLAY APPARATUS
20230206804 · 2023-06-29 · ·

A display apparatus includes a display panel including a gate line and a data line, a controller generating a source output enable signal determining an output timing of a data voltage output to the data line, and a data driver including a signal changer, generating a final source output enable signal by using the source output enable signal, and randomly changing the output timing of the data voltage for each gate line by using the final source output enable signal.

DISPLAY DEVICE, DATA DRIVING CIRCUIT AND DISPLAY DRIVING METHOD
20230206839 · 2023-06-29 · ·

A display device, a data driving circuit and a display driving method are discussed. The display device can include a display panel in which a plurality of subpixel circuits including a light emitting element, a driving transistor, and a sensing transistor are disposed. The display device further can include a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of data lines and supply a constant current to the plurality of subpixel circuits during a resistance sensing period, and a timing controller configured to control the gate driving circuit and the data driving circuit, and supply compensation image data to the display panel by using the resistance of the sensing transistor detected in the resistance sensing period.

Organic light emitting diode display
09852697 · 2017-12-26 · ·

An organic light emitting diode display includes a display panel including a plurality of pixels, each pixel including an organic light emitting diode (OLED) and a driving thin film transistor (TFT) configured to control an amount of current flowing in the OLED depending on a difference between a data voltage and a reference voltage, a source driver integrated circuit (IC) configured to produce the data voltages corresponding to data of an input image and apply the data voltages to data lines connected to the pixels, an image analyzer configured to analyze the data of the input image and produce reference voltage control data, and a reference voltage regulator configured to produce the reference voltages varying depending on the input image based on the reference voltage control data and apply the reference voltages to reference lines connected to the pixels.

One-Step Oxide Bath for Improving Adhesion of Polymeric Materials to Metal Substrates

An oxide coating composition and a process for enhancing adhesion between a metal conducting layer and an in organic material or polymeric resin material using the oxide coating composition. The process includes the steps of applying the oxide coating composition to the metal conducting layer and bonding the inorganic material or polymeric resin material to the metal conducting layer. The oxide coating composition comprises (a) an alkali; (b) an oxidizing agent; (c) an acid; and (d) a corrosion inhibitor comprising a nitrogen heterocyclic compound;

DISPLAY DEVICE

A display device includes a display panel including data lines, line capacitors respectively connected to the data lines, and pixels receiving a data voltage from the data lines, and a data driver supplying the data voltage to the pixels through the data lines and supplying different charging voltages respectively to the line capacitors through the data line. The data driver senses voltage change of at least one of the data lines occurring in case that at least one of the line capacitors is charged or discharged.

DISPLAY DEVICE AND DRIVING METHOD OF THE SAME
20230197014 · 2023-06-22 ·

Provided is a display device including a display panel configured to display an image, a data driving circuit configured to supply a data voltage to the display panel, and a timing controller configured to control the data driving circuit, in which the data driving circuit includes a first converter configured to divide and output a voltage based on a plurality of resistors, a gain circuit configured to selectively receive at least two different voltages from the first converter, and amplify voltages input through input terminals to output the voltages to at least two output terminals or output the voltages without amplification and without change, and a second converter configured to interpolate and output at least two voltages output from the gain circuit.

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
20230196973 · 2023-06-22 ·

A display device includes a display panel including pixels, a data driver configured to apply a data voltage to each of the pixels, to apply a first reference voltage to the pixels in a first period of a first sensing period to generate first sensing data corresponding to a first driving current flowing through a driving transistor of each of the pixels, and to apply a second reference voltage to the pixels in a second period of the first sensing period to generate second sensing data corresponding to a second driving current flowing through the driving transistor of each of the pixels, and a driving controller configured to receive the first sensing data and the second sensing data from the data driver to compensate input image data based on the first sensing data and the second sensing data.

DATA DRIVING UNIT AND DISPLAY DEVICE INCLUDING THE SAME
20230196980 · 2023-06-22 · ·

A display device can include a display panel configured to display an image, a scan driving circuit configured to supply a scan signal to the display panel, and a data driving circuit configured to supply a data voltage to the display panel. The data driving circuit can include a data controller configured to vary an output timing of the data voltage based on independent control for each of at least one latch.

ELECTROLUMINESCENT DISPLAY APPARATUS
20230196983 · 2023-06-22 · ·

An electroluminescent display apparatus may include a pixel including a driving element having a gate electrode connected to a data line and a source electrode connected to a reference voltage line and a pixel driving circuit applying a sensing data voltage to the gate electrode of the driving element through the data line, detecting a source electrode voltage of the driving element, shifted from a sensing reference voltage based on the sensing data voltage, through the reference voltage line to obtain a detection voltage, calculating an offset voltage based on the detection voltage, and lowering a level of the sensing data voltage based on the offset voltage, in a plurality of vertical blank periods.