Abstract: Electroluminescent display devices and a method for driving the same are disclosed. An electroluminescent display device according to an embodiment of the present disclosure includes a display panel including a plurality of pixels emitting light according to image data, a first memory storing a stress accumulation value corresponding to the image data, and a compensation gain calculation circuit configured to increase a compensation gain for compensating for the image data on the basis of the stress accumulation value, wherein the stress accumulation value in the first memory is reset whenever the compensation gain increases.

Abstract: An electroluminescent display device includes a pixel configured to display an image based on a difference between a display data voltage and a first reference voltage, a driving voltage generation circuit configured to supply the display data voltage to the pixel through a data line, and a sensing circuit configured to supply the first reference voltage to the pixel through a sensing line. The sensing circuit includes a sensing channel terminal coupled to the sensing line, a switch coupled between the sensing channel terminal and an input terminal for the first reference voltage, and a sampling circuit configured to sense a voltage of the sensing line which has changed from the first reference voltage independent of driving characteristics of the pixel in a vertical blank period in which the switch is turned off.

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels, a first compensation value calculator for calculating a first compensation value based on prediction according to an accumulation result of video data to be written in the pixels, a second compensation value calculator for calculating a second compensation value based on sensing according to an electrical sensing value with respect to driving characteristics of the pixels, and a data corrector for correcting the video data based on the first compensation value and the second compensation value.

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels, a first compensation value calculator for calculating a first compensation value based on prediction according to an accumulation result of video data to be written in the pixels, a second compensation value calculator for calculating a second compensation value based on sensing according to an electrical sensing value with respect to driving characteristics of the pixels, and a data corrector for correcting the video data based on the first compensation value and the second compensation value.

Abstract: Electroluminescent display devices and a method for driving the same are disclosed. An electroluminescent display device according to an embodiment of the present disclosure includes a display panel including a plurality of pixels emitting light according to image data, a first memory storing a stress accumulation value corresponding to the image data, and a compensation gain calculation circuit configured to increase a compensation gain for compensating for the image data on the basis of the stress accumulation value, wherein the stress accumulation value in the first memory is reset whenever the compensation gain increases.

Abstract: An electroluminescent display device includes a pixel configured to display an image based on a difference between a display data voltage and a first reference voltage, a driving voltage generation circuit configured to supply the display data voltage to the pixel through a data line, and a sensing circuit configured to supply the first reference voltage to the pixel through a sensing line. The sensing circuit includes a sensing channel terminal coupled to the sensing line, a switch coupled between the sensing channel terminal and an input terminal for the first reference voltage, and a sampling circuit configured to sense a voltage of the sensing line which has changed from the first reference voltage independent of driving characteristics of the pixel in a vertical blank period in which the switch is turned off.

Abstract: A filter structure for chemical solution used in manufacturing an integrated circuit includes: a first membrane structure comprising a plurality of membrane units, each comprising a cathode comprising a plurality of first openings, an anode comprising a plurality of second openings, and an insulating layer between the cathode and the anode; and a filter housing configured to receive the first membrane structure therein, the filter housing comprising an inlet through which the chemical solution is introduced and an outlet through which the chemical solution is discharged. The first membrane structure is configured such that when an electric field is applied between the cathode and the anode while the chemical solution introduced through the inlet passes through the first membrane structure, impurities having both positively charged particles and negatively charged particles in the chemical solution are trapped in the first membrane structure.

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, a first lever provided at the printing media cassette, a second lever provided in the apparatus body, the second lever being coupled to the first lever, turning, and being separated from the first lever when the printing media cassette is closed.

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, and at least one lever movably disposed in the apparatus body, the lever contacting the printing media cassette to pull the printing media cassette into the apparatus body and then being separated from the printing media cassette when the printing media cassette is closed.

Abstract: A filter structure for chemical solution used in manufacturing an integrated circuit includes: a first membrane structure comprising a plurality of membrane units, each comprising a cathode comprising a plurality of first openings, an anode comprising a plurality of second openings, and an insulating layer between the cathode and the anode; and a filter housing configured to receive the first membrane structure therein, the filter housing comprising an inlet through which the chemical solution is introduced and an outlet through which the chemical solution is discharged. The first membrane structure is configured such that when an electric field is applied between the cathode and the anode while the chemical solution introduced through the inlet passes through the first membrane structure, impurities having both positively charged particles and negatively charged particles in the chemical solution are trapped in the first membrane structure.

Abstract: An organic light emitting diode display device according to an embodiment includes pixels each configured with an organic light emitting diode and a driving switch used to control a current flowing through the organic light emitting diode. The organic light emitting diode display device compensates a deterioration property of the organic light emitting diode after properties of the driving switch is compensated. As such, the deterioration property of the organic light emitting diode can be maximally reflected to a sensing data. In accordance therewith, the deterioration property of the organic light emitting diode can be accurately compensated.

Abstract: An organic light emitting diode display device is disclosed which adjusts brightnesses and color temperatures of RGBW data signals and matches the brightnesses of organic light emitting diodes and the color temperature of a white organic light emitting diode with the target brightness value and the target color temperature of a white pixel. As such, an overcompensation and the reduction of a lifespan can be prevented. Also, relatively high brightness and color temperature can be maintained.

Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, and at least one lever movably disposed in the apparatus body, the lever contacting the printing media cassette to pull the printing media cassette into the apparatus body and then being separated from the printing media cassette when the printing media cassette is closed.

Abstract: Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, a first lever provided at the printing media cassette, a second lever provided in the apparatus body, the second lever being coupled to the first lever, turning, and being separated from the first lever when the printing media cassette is closed.

Abstract: A method of driving an organic light emitting display device includes sensing characteristics of driving TFTs of pixels to generate sensing data at a power-on time when the organic light emitting display device is powered on, merging initial compensation data and the sensing data at the power-on time to compensate for the characteristics of the driving TFTs of all the pixels, displaying an image in a driving mode and sequentially sensing characteristics of driving TFTs of a plurality of pixels in units of one horizontal line in real time during a blank interval between frames, and sequentially compensating for the characteristics of the driving TFTs of the pixels in units of one horizontal line in real time by using a real-time sensing data generated by real-time sensing.

Abstract: An organic light emitting diode display device is disclosed which adjusts brightnesses and color temperatures of RGBW data signals and matches the brightnesses of organic light emitting diodes and the color temperature of a white organic light emitting diode with the target brightness value and the target color temperature of a white pixel. As such, an overcompensation and the reduction of a lifespan can be prevented. Also, relatively high brightness and color temperature can be maintained.

Abstract: An organic light emitting diode display device according to an embodiment includes pixels each configured with an organic light emitting diode and a driving switch used to control a current flowing through the organic light emitting diode. The organic light emitting diode display device compensates a deterioration property of the organic light emitting diode after properties of the driving switch is compensated. As such, the deterioration property of the organic light emitting diode can be maximally reflected to a sensing data. In accordance therewith, the deterioration property of the organic light emitting diode can be accurately compensated.

Abstract: A portable terminal including a projector which projects a user interface (UI) onto an object, and a method of controlling the same. The portable terminal includes a display which displays a first UI and at least one projector which projects a second UI onto an object, and the at least one projector includes a light source which displays the second UI through a plurality of organic light-emitting diodes (OLEDs) and a lens which focuses light generated in the plurality of OLEDs and projects the light onto the object.

Abstract: Disclosed are an organic light emitting display device and a method of driving the same. The organic light emitting display device includes a display panel including a plurality of pixels including a pixel circuit for emitting light from an organic light emitting diode and a driving circuit unit driving the display panel. The driving method includes sensing a characteristic of a driving TFT of each of the pixels of the display panel to generate sensing data according to a user's setting using an input device, at a predetermined compensation driving time, or when an error occurs in sensing data generated by real-time sensing of each pixel of the display panel, and compensating for the characteristic of the driving TFT of each pixel by using the sensing data.