In an embodiment of the present disclosure, there is provided a display device including: a plurality of subpixels between a line of a first power voltage and a line of a second power voltage, the plurality of subpixels configured to be supplied with a driving current and to emit light in response to the driving current; and a power supply unit configured to generate the first power voltage and the second power voltage based on an external input voltage, wherein the power supply unit generates power when the external input voltage corresponds to between a preset maximum voltage and a minimum voltage, and the power supply unit reduces a voltage difference between the first power voltage and the second power voltage when the external input voltage corresponds to between a preset reference voltage and the minimum voltage.

A storage device stores dither patterns composed of a three-dimensional block consisting of the number H of dots in a horizontal directionthe number V of lines in a vertical directionthe number F in a frame direction. Each value from a minimum value to a maximum value of dither values of n bits is written in each address of the storage device. When each value is written into the storage device, processing of obtaining a spatiotemporal density value indicating a degree of density of an address in which a dither value has already been written in a three-dimensional predetermined area centered on each of the addresses in which a new dither value is writable, and processing of selecting an address having the smallest spatiotemporal density value among the addresses in which a new dither value is writable and writing a dither value are repeated.

The present invention discloses a gray scale adjustment method and device for a display panel. The method includes: performing an image acquisition on the display panel to obtain a current image; identifying a relationship between an average value of gray scale values of all pixels in a set range in the current image and a target value by a distinguishing method, in order to identify an uneven block in the current image; detecting an original output luminance and an original input gray scale of the uneven block; determining a target input gray scale corresponding to a preset target luminance according to an actual gamma curve value obtained by testing the display panel; and taking a difference between the original input gray scale and the target input gray scale as a gray scale compensation value of the uneven block.

Subject matter disclosed herein relates to arrangements and techniques that provide for controlling motion of an electrowetting oil within an electrowetting display device. An electrowetting display device comprises a substrate, an electrode on the substrate, a dielectric layer on a first portion of the electrode. The electrode extends along the substrate one of either entirely from a first end of a pixel area to a second end of the pixel area, or from the first end of the pixel area to the second end of the pixel area such that a portion of the substrate is an electrode free portion to thereby define a notch. A first fluid is disposed on a hydrophobic layer and a second fluid is disposed on the first fluid, the second fluid being immiscible with the first fluid. A dielectric constant of the dielectric layer is greater than a dielectric constant of the first fluid.

A method of displaying an image by using a display device. The method includes: grouping pixels included in a display unit into pixel blocks, generating a first accumulated stress map representing a degree of a deteriorated performance of the pixels included in the pixel blocks based on first image data of a current frame image, and determining a shiftable range of the current frame image by analyzing the first accumulated stress map. The first image data is corrected to second image data in which the current frame image is shifted within the shiftable range.

An organic light-emitting display device includes: a display panel including: a plurality of pixels configured to display an image, each pixel among the plurality of pixels including a driving transistor and a sensing transistor, a plurality of data lines respectively connected to each driving transistor, and a plurality of sensing signal lines respectively connected to each sensing transistor, a plurality of source drive integrated circuits (ICs) configured to: supply data voltages to the plurality of data lines, and supply sensing voltages to the plurality of sensing signal lines, and a timing controller configured to supply digital video data and a data timing control signal to the source driver ICs, wherein each of the plurality of source driver ICs includes a sensing voltage supply unit configured to generate the sensing voltages.

A storage device stores dither patterns composed of a three-dimensional block consisting of the number H of dots in a horizontal direction x the number V of lines in a vertical direction x the number F in a frame direction. Each value from a minimum value to a maximum value of dither values of n bits is written in each address of the storage device. When each value is written into the storage device, processing of obtaining a spatiotemporal density value indicating a degree of density of an address in which a dither value has already been written in a three-dimensional predetermined area centered on each of the addresses in which a new dither value is writable, and processing of selecting an address having the smallest spatiotemporal density value among the addresses in which a new dither value is writable and writing a dither value are repeated.

A display device includes: a cell matrix including a first cell line and a second cell line, wherein the first cell line includes first cells sharing first row lines, and the second cell line includes second cells sharing second row lines; a redundancy integrated circuit including a redundancy cell line including redundancy cells, wherein the redundancy cells share a third row line and are connected to the first and second cells through a plurality of column lines and a plurality of connection lines; and a display driver integrated circuit (DDI) configured to replace the first cell line or the second cell line with the redundancy cell line through the first row lines, the second row lines, and the third row line based on whether the first and second cell lines include a bad cell.

The invention relates to a plasma screen that fits different shapes and measurements, which is foldable, pliable and impermeable, with self-adhesive material for placing on any surface. The device is small, slim, autonomous (does not need to be connected to electricity), pliable, foldable (can be folded), impermeable (resistant to water and inclement weather), easy to stick on any surface and very low cost. The device is interactive and comprises a user terminal (1) that brings together all the parts of the device, the terminal taking the form of different-shaped plastic stickers and containing a foldable plasma screen (2) that covers the circumference of same and transmits images and video. All the parts of the device are connected, by means of small cables (9), to an integrated microcomputer (3) with a processor that contains a computer program, a formula and algorithms that allow information processing and transmission and GPS location. The microcomputer is connected, by means of cables (9), to a wireless modem (4) that allows communication with other mobile devices, and is also connected, by means of cables (9), to a self-recharging battery (5) that powers the device. The microcomputer is connected, by means of cables (9), to solar cells (6) that power the battery (5), without the need for connecting to electricity, making the device autonomous. The front part of the sticker is covered by a transparent plastic fabric (7) that protects the device against rain, grease and other substances and is glued to the monitor (2) covering the circumference and shape of the sticker. The rear part of the sticker is covered by a plastic fabric (8) with self-adhesive material, which can be hung, glued or placed on different surfaces, the fabric being glued to the device.

The invention relates to a plasma screen that fits different shapes and measurements, which is foldable, pliable and impermeable, with self-adhesive material for placing on any surface. The device is small, slim, autonomous (does not need to be connected to electricity), pliable, foldable (can be folded), impermeable (resistant to water and inclement weather), easy to stick on any surface and very low cost. The device is interactive and comprises a user terminal (1) that brings together all the parts of the device, the terminal taking the form of different-shaped plastic stickers and containing a foldable plasma screen (2) that covers the circumference of same and transmits images and video. All the parts of the device are connected, by means of small cables (9), to an integrated microcomputer (3) with a processor that contains a computer program, a formula and algorithms that allow information processing and transmission and GPS location. The microcomputer is connected, by means of cables (9), to a wireless modem (4) that allows communication with other mobile devices, and is also connected, by means of cables (9), to a self-recharging battery (5) that powers the device. The microcomputer is connected, by means of cables (9), to solar cells (6) that power the battery (5), without the need for connecting to electricity, making the device autonomous. The front part of the sticker is covered by a transparent plastic fabric (7) that protects the device against rain, grease and other substances and is glued to the monitor (2) covering the circumference and shape of the sticker. The rear part of the sticker is covered by a plastic fabric (8) with self-adhesive material, which can be hung, glued or placed on different surfaces, the fabric being glued to the device.