Abstract: A display device includes a display unit which includes pixels, an emission driver which applies an emission control signal for allowing the pixels to emit light, and a signal controller which receives a data enable signal including an active period and a blank period during which an image signal is inputted and outputs a control signal for controlling the emission driver such that an emission period of the pixels is changed in response to a blank period.

Abstract: An optical compensation device includes a measurement part that measures a luminance of a reference point of a display panel displaying an image and a luminance of a neighboring point separated from the reference point to generate measurement data, a camera that photographs a surface of the display panel to generate a photographed image, and a compensation part that generates a scaling value of the neighboring point based on the measurement data of the reference point, a photographed data generated based on the photographed image of the reference point, the measurement data of the neighboring point, and a photographed data generated based on the photographed image of the neighboring point, and generates compensation data of the neighboring point based on the scaling value of the neighboring point and the photographed data of the reference point.

Abstract: A display device includes a display panel, a data driver, a gate driver, and a controller. The display panel includes a plurality of pixels. The data driver provides data voltages to the plurality of pixels through data lines during an active period of a frame period and provides a blank voltage to the plurality of pixels through the data lines during a blank period of the frame period. The gate driver provides a gate-on voltage to the plurality of pixels through gate lines during the active period and provides a gate-off voltage to the plurality of pixels through the gate lines during the blank period. The controller controls the data driver and the gate driver. The blank voltage increases and the gate-off voltage increases, when a time in the blank period reaches a predetermined time.

Abstract: A pixel according to some embodiments includes a light source unit, a first transistor coupled between a first power source and a first node, and configured to control a driving current applied to the light source unit, a first bias transistor coupled between a first bias power source and a gate electrode of the first transistor, and a second bias transistor coupled between a second bias power source and a second node that is electrically coupled to an anode of the light source unit, wherein the first bias transistor and the second bias transistor are configured to be turned on during a first period before a data voltage is applied among one frame, and wherein the second bias transistor is configured to be turned on at least once during a second period after the data voltage is applied among the one frame.

Abstract: In a method of generating compensation data for a display device, first color, second color, and third color compensation value sets may be obtained by capturing first color, second color, and third color images displayed by the display device, respectively, white, first color, second color, and third color loading luminances may be obtained by capturing white, first color, second color, and third color loading patterns displayed by the display device, respectively, first color, second color, and third color scale factors may be calculated by dividing a luminance decrease ratio of the white loading luminance by luminance decrease ratios of the first color, second color, and third color loading luminances, respectively, and the first color, second color, and third color compensation value sets and the first color, second color, and third color scale factors may be stored in the display device.

Abstract: The present invention relates to a cover that is used as a backrest cover in daily use and also as a life jacket in an emergency. More particularly, the present invention relates to a backrest cover including: a front portion configured to cover a front surface of the backrest; a rear portion configured to cover a rear surface of the backrest; a connector configured to extend across an upper end of the backrest, connecting the front and back portions; and a buoyancy body provided in at least one of the front portion, the rear portion, and the connector.

Abstract: A display device includes: a display panel including a plurality of pixels; a power supply configured to provide a power supply voltage to the display panel; and a controller configured to control the power supply, the controller including: a motion calculation block configured to calculate a motion amount of image data based on the image data in a previous frame and the image data in a current frame, and to determine a motion gain based on the motion amount of the image data; a maximum gray determination block configured to determine a maximum gray level of the image data in the current frame; a voltage drop calculation block configured to calculate a voltage drop amount in the display panel; and a power supply voltage determination block configured to determine an initial voltage level of the power supply voltage.

Abstract: A luminance compensating apparatus includes a luminance characteristic value calculator calculating a first luminance characteristic value corresponding to a first unit section between first and second reference gray levels, and a second luminance characteristic value corresponding to a second unit section between second and third reference gray levels based on a first luminance value, a second luminance value, and a third luminance value; an expected correction gray level calculator calculating an expected correction gray level corresponding to the first reference gray level based on the first luminance value; and a compensation gray level calculator calculating a gamma compensation value based on the first luminance characteristic value when the expected correction gray level is included in the first unit section, and based on the first luminance characteristic value and the second luminance characteristic value when the expected correction gray level is included in the second unit section.

Abstract: A gate driving circuit includes: a plurality of driving stages, each driving stage configured to provide a gate signal to a corresponding gate line among a plurality of gate lines, wherein each of the plurality of driving stages includes: a first transistor electrically connected between a first clock terminal and a gate output terminal, the first transistor including a gate electrode electrically connected to a first node, the first clock terminal to receive a first clock signal; a second transistor configured to transmit a first carry signal to the first node; and a third transistor electrically connected between the first node and a first voltage terminal, the third transistor including a gate electrode electrically connected to the first voltage terminal, the first voltage terminal to receive a first voltage, wherein the gate output terminal is electrically connected to the corresponding gate line.

Abstract: A method for measuring a luminance profile of a display device including pixels divided into blocks, includes: measuring a first reference luminance profile when a partial area of each of the blocks is in a display state and a remaining area of each of the blocks is in a non-display state; measuring a first luminance profile when an entire area of a first block among the blocks is in the display state, the partial area of each of remaining blocks is in the display state, and the remaining area of each of the remaining blocks is in the non-display state; and measuring a second luminance profile when an entire area of a second block among the blocks is in the display state, the partial area of each of remaining blocks is in the display state, and the remaining area of each of the remaining blocks is in the non-display state.

Abstract: Provided are a load distribution apparatus capable of efficiently distributing loads for a plurality of inkjet head modules and a substrate treatment system including the same. The load distribution apparatus includes a second support formed to be elongated in one direction and having both side portions higher than a central portion and in which a head module for discharging droplets onto a substrate is installed in the central portion, a first support supporting the second support on at least one side and supporting the second support below the second support, a first support unit supporting the second support on at least one side and supporting the second support above the second support, and a plate installed above the first support unit and connected to the first support unit, wherein a load of the head module is distributed by the first support and the first support unit.

Abstract: An nth (where n is a natural number) stage is included in a scan driver of a display. The nth stage includes: a first input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage; a second input circuit for controlling the voltage of the first node in response to a carry signal of a next stage; a first control circuit for controlling a voltage of an output terminal in response to the carry signal of the next stage; an output circuit for outputting an nth scan signal and an nth carry signal in response to the voltage of the first node and a voltage of a second node; and a leakage control circuit for supplying a control voltage to the first input circuit and the second input circuit in response to one of the nth scan signal and the nth carry signal.

Abstract: A display device includes a display panel, a data driver, a gate driver, and a controller. The display panel includes a plurality of pixels. The data driver provides data voltages to the plurality of pixels through data lines during an active period of a frame period and provides a blank voltage to the plurality of pixels through the data lines during a blank period of the frame period. The gate driver provides a gate-on voltage to the plurality of pixels through gate lines during the active period and provides a gate-off voltage to the plurality of pixels through the gate lines during the blank period. The controller controls the data driver and the gate driver. The blank voltage increases and the gate-off voltage increases, when a time in the blank period reaches a predetermined time.

Abstract: A controller is provided to include a processor reading data from a memory device, and a decoder receiving the data and decoding the data, the data being represented with check nodes and variable nodes. The decoder includes a check unit calculating syndrome values, a calculation unit receiving the decision values of the variable nodes and calculating flipping function values, a setting unit receiving the flipping function values and generating a candidate vector by dividing the flipping function values into groups and selecting at least some maximum values from the groups, the setting unit setting a flipping function threshold value, and a flipping unit receiving the flipping function threshold value, comparing the flipping function values of the variable nodes with the flipping function threshold value, and flipping a decision value of a target variable node having a greater flipping function value than the flipping function threshold value.

Abstract: A method for operating a Low Density Parity Check (LDPC) decoder includes assigning each symbol of a codeword as a variable node value for each of a plurality of variable nodes, performing syndrome checking on each check node based on a parity check matrix, calculating flipping function values of the variable nodes based on syndrome values of check nodes and a flipping function, dividing the flipping function values into a plurality of groups, determining a flipping function threshold value based on a group maximum value of a group among the groups, and selectively flipping a variable node value based on a comparison result of a flipping function value of corresponding variable node and the determined flipping function threshold value.

Abstract: The present invention relates to a cover that is used as a backrest cover in daily use and also as a life jacket in an emergency. More particularly, the present invention relates to a backrest cover including: a front portion configured to cover a front surface of the backrest; a rear portion configured to cover a rear surface of the backrest; a connector configured to extend across an upper end of the backrest, connecting the front and back portions; and a buoyancy body provided in at least one of the front portion, the rear portion, and the connector.

Abstract: A tube-pin assembly for a heat exchanger of a vehicle includes a housing having an inlet into which exhaust gas flows; a plurality of tubes arranged inside the housing to provide a passage through which the exhaust gas flows; and cooling pins provided between the tubes to provide a coolant passage through which coolant flows, where a foamed metal made of a porous material is provided inside at least one of the tubes.

Abstract: An nth (where n is a natural number) stage is included in a scan driver of a display. The nth stage includes: a first input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage; a second input circuit for controlling the voltage of the first node in response to a carry signal of a next stage; a first control circuit for controlling a voltage of an output terminal in response to the carry signal of the next stage; an output circuit for outputting an nth scan signal and an nth carry signal in response to the voltage of the first node and a voltage of a second node; and a leakage control circuit for supplying a control voltage to the first input circuit and the second input circuit in response to one of the nth scan signal and the nth carry signal.

Abstract: A semiconductor device includes a substrate, a gate structure on the substrate and a first conductive connection group on the gate structure. The gate structure includes a gate spacer and a gate electrode. The first conductive connection group includes a ferroelectric material layer. At least a part of the ferroelectric material layer is disposed above an upper surface of the gate spacer. And the ferroelectric material layer forms a ferroelectric capacitor having a negative capacitance in the first conductive connection group.

Abstract: A display device includes: a display panel including a plurality of pixels; a power supply configured to provide a power supply voltage to the display panel; and a controller configured to control the power supply, the controller including: a motion calculation block configured to calculate a motion amount of image data based on the image data in a previous frame and the image data in a current frame, and to determine a motion gain based on the motion amount of the image data; a maximum gray determination block configured to determine a maximum gray level of the image data in the current frame; a voltage drop calculation block configured to calculate a voltage drop amount in the display panel; and a power supply voltage determination block configured to determine an initial voltage level of the power supply voltage.