Abstract: A piezoelectric element includes: an upper electrode having acoustic transparency; a lower electrode; and a diaphragm disposed between the upper electrode and the lower electrode and configured of a mesoporous piezoelectric thin film. The upper electrode, the lower electrode, and the diaphragm are electrically insulated from one another.

Abstract: A haptic display device is disclosed. In one aspect, the device includes a plurality of scan lines disposed over a substrate and configured to transfer a scan signal and a plurality of data lines electrically insulated from the scan lines and configured to transfer a data signal, wherein the data lines cross the scan lines. The device also includes a plurality of haptic control lines electrically insulated from the scan lines or the data lines and configured to transfer a haptic signal and a thin film transistor electrically connected to the scan lines and the data lines, wherein the thin film transistor is formed in each of a plurality of pixels. The device further includes a first electrode electrically connected to the thin film transistor, a second electrode facing the first electrode and an optical adjustment member disposed between the first and second electrodes.

Abstract: A lens panel according to an exemplary embodiment includes an area that is divided into a plurality of domains in a plan view. The area includes an optical modulation layer, a first electrode, and a second electrode in a sectional view, the first electrode and the second electrode facing each other interposing the optical modulation layer. The first electrode includes a plurality of first openings, and the second electrode includes a plurality of second openings. One of a first opening among the plurality of first openings and a second opening among the plurality of second openings is disposed in each of the plurality of domains in the plan view. The first opening is disposed in a first domain among the plurality of domains, and the second opening is disposed in a second domain that is adjacent to the first domain among the plurality of domains.

Abstract: An organic light emitting display device, including a display panel including red, green, first blue, and second blue sub-pixels, a data drive unit configured to receive an image signal and output data output signals, a de-multiplexer circuit configured to distribute data output signals to the data lines connected to the red, green, and the first blue sub-pixels, in response to receiving a first blue drive selection signal, or to the data lines connected to the red, green, first blue, and the second blue sub-pixels, in response to receiving a mixed drive selection signal, and a control unit configured to process a raw image data into the image signal, provide the image signal to the data drive unit, and provide the first blue drive selection signal or the mixed drive selection signal to the de-multiplexer circuit in a frame unit of the raw image data.

Abstract: A thin film transistor substrate includes a data line, a gate line, a gate electrode, a source electrode, a first drain electrode, a semiconductor layer and a second drain electrode. The data line and the gate line cross each other on a base substrate. The gate electrode is electrically connected to the gate line. The source electrode is electrically connected to the data line. The first drain electrode and the source electrode face each other. The semiconductor layer serves as a channel between the source electrode and the first drain electrode. The second drain electrode is disposed on the first drain electrode. The second drain electrode is electrically connected to the first drain electrode.

Abstract: Provided is a method of manufacturing a polymer electret. The method of manufacturing a polymer electrets includes forming a polymer thin film, which includes a block copolymer (BCP) having two or more polymer chains covalently bonded together; forming a nano-structure of the BCP in which a first block formed by first polymer chains that self-assemble together and a second block formed by second polymer chains that self-assemble together are micro-phase-separated, by performing an annealing process on the polymer thin film; forming a porous polymer film with a nano-pore by selectively removing one of the first block and the second block; and charging the porous polymer film.

Abstract: Provided is a speaker and microphone integrated display panel including: a display panel having a display area and a non-display area surrounding the display area; and a simultaneously convertible film type speaker or film type microphone which is mounted to correspond to an air hole in the non-display area, in which the display panel and the film type speaker or the film type microphone are at least partially integrated so as to be drive-connected.

Abstract: A thin film transistor substrate includes a data line, a gate line, a gate electrode, a source electrode, a first drain electrode, a semiconductor layer and a second drain electrode. The data line and the gate line cross each other on a base substrate. The gate electrode is electrically connected to the gate line. The source electrode is electrically connected to the data line. The first drain electrode and the source electrode face each other. The semiconductor layer serves as a channel between the source electrode and the first drain electrode. The second drain electrode is disposed on the first drain electrode. The second drain electrode is electrically connected to the first drain electrode.

Abstract: A display device may include a pixel and a light shutter. The pixel may include a first region and a second region. The light shutter may be disposed in the second region. The light shutter may include a first electrode, a heat generation layer disposed on the first electrode, and a phase change layer disposed on the heat generation layer. The phase change layer may include a phase change material of which optical property is changed depending on temperature.

Abstract: Provided is an image display apparatus. The image display apparatus includes a display panel displaying an image through a display area, a plurality of acoustic devices disposed on a non-display area around the display area, a protection member accommodating the display panel and the acoustic devices, and a plurality of opening parts defined to corresponding to the acoustic devices, the plurality of opening parts being defined by opening the protection member of the non-display area in both directions perpendicular to a plane.

Abstract: An image processing method and image processing device for performing the same are disclosed. In one aspect, the image processing method includes transmitting a content image having a visual condition to a display unit. The method also includes periodically changing the visual condition from a first visual condition to a second visual condition according to a modulation timing such that the content image to be displayed after the modulation timing has the second visual condition different from the first visual condition before commencement of the modulation timing.

Abstract: A display device includes: a first display panel and a second display panel disposed to face each other; a backlight unit interposed between the first display panel and the second display panel; and a speaker unit including a first piezoelectric module and a second piezoelectric module sharing an enclosure and disposed to face each other, a first output unit configured to output sound produced from the first piezoelectric module, and a second output unit configured to output sound produced from the second piezoelectric module.

Abstract: A display device may include a display panel, a bottom chassis configured to accommodate the display panel, and a plurality of speaker units electrically connected to the display panel and configured to output sounds. The bottom chassis may include a plurality of protrusions protruding downward and in which an enclosure is defined, and also may include a groove that is defined between the protrusions, an opening that is defined by the protrusions, or an elastic member configured to couple the protrusions. The respective speaker units may be disposed in respective protrusions.

Abstract: An image processing method and image processing device for performing the same are disclosed. In one aspect, the image processing method includes transmitting a content image having a visual condition to a display unit. The method also includes periodically changing the visual condition from a first visual condition to a second visual condition according to a modulation timing such that the content image to be displayed after the modulation timing has the second visual condition different from the first visual condition before commencement of the modulation timing.

Abstract: A method of operating an electronic device includes displaying a first image, extracting a user-interested region from a region including the first image, and displaying a bioeffect image at the user-interested region. The first image and bioeffect image are different images.

Abstract: Provided is a speaker and microphone integrated display panel including: a display panel having a display area and a non-display area surrounding the display area; and a simultaneously convertible film type speaker or film type microphone which is mounted to correspond to an air hole in the non-display area, in which the display panel and the film type speaker or the film type microphone are at least partially integrated so as to be drive-connected.

Abstract: A display device is disclosed. In one aspect, the device includes a display module, a first cover configured to support the display module and a second cover placed opposed to the first cover and selectively detachably coupled to the first cover. The device also includes a volume changer configured to connect the first and second covers and define an inner space, having a volume, with the first and second covers, wherein the volume changer has an adjustable length extending from the second cover to the first cover, and wherein the volume changer is configured to change the volume of the inner space when the length is adjusted. The device further includes at least one exciter mounted in the inner space and configured to generate sound.

Abstract: An organic light emitting display device, including a display panel including red, green, first blue, and second blue sub-pixels, a data drive unit configured to receive an image signal and output data output signals, a de-multiplexer circuit configured to distribute data output signals to the data lines connected to the red, green, and the first blue sub-pixels, in response to receiving a first blue drive selection signal, or to the data lines connected to the red, green, first blue, and the second blue sub-pixels, in response to receiving a mixed drive selection signal, and a control unit configured to process a raw image data into the image signal, provide the image signal to the data drive unit, and provide the first blue drive selection signal or the mixed drive selection signal to the de-multiplexer circuit in a frame unit of the raw image data.

Abstract: Provided is an image display apparatus. The image display apparatus includes a display panel displaying an image through a display area, a plurality of acoustic devices disposed on a non-display area around the display area, a protection member accommodating the display panel and the acoustic devices, and a plurality of opening parts defined to corresponding to the acoustic devices, the plurality of opening parts being defined by opening the protection member of the non-display area in both directions perpendicular to a plane.

Abstract: A piezoelectric element includes: an upper electrode having acoustic transparency; a lower electrode; and a diaphragm disposed between the upper electrode and the lower electrode and configured of a mesoporous piezoelectric thin film. The upper electrode, the lower electrode, and the diaphragm are electrically insulated from one another.