Abstract: An acousto-optic device includes an optical waveguide in which incident light is able to propagate; a metal layer surrounding at least a first portion of the optical waveguide; a gain medium layer disposed in the first portion of the optical waveguide; and a sonic wave generator configured to generate surface acoustic waves (SAWs) and apply the SAWs to the optical waveguide and/or the metal layer.

Abstract: A method and apparatus for converting two-dimensional (2D) contents into three-dimensional (3D) contents is disclosed. The method including: displaying a frame, the frame containing an object which will be extracted from among plural frames contained in the 2D contents; designating a boundary region of an object to be extracted on the displayed frame, in accordance with a user command through a user interface (UI) for collectively designating a region; generating a trimap based on the designated boundary region including inner and outer regions of the object to be extracted, and extracting the object based on the generated trimap. With this, a user can more conveniently and efficiently convert 2D contents into 3D contents.

Abstract: Embodiments of the invention provide a touch sensor module including a base substrate having electrode patterns formed thereon and including electrode pads transferring electrical signals of the electrode patterns to the outside, a flexible cable including an adhesive layer contacting one surface of the electrode pad and formed to transfer the electrical signal, and a curvature adhesive having an end portion of one side formed to be in contact with the base substrate and an end portion of the other side formed to be in contact with the flexible cable.

Abstract: A 3-dimensional (3D) holographic image displaying apparatus is provided. The apparatus includes a hologram reproducer configured to generate surface plasmons in response to incident light and reproduce a 3D image by diffracting the generated surface plasmons by a hologram, and a surface light source unit including a light source and a light guide plate, the light guide plate being configured to allow incident light from the light source to enter into the light guide plate, internally reflect the allowed light, and output the internally reflected light through a light-output surface, the surface light source unit being configured to implement colors by adjusting an angle of the light incident to the hologram reproducer so that the outputted light through the light-output surface is incident to the hologram reproducer at a surface plasmon-forming angle for each wavelength to generate the surface plasmons corresponding to a plurality of color beams.

Abstract: An acousto-optic device having a wide range of diffraction angle and an optical scanner, a light modulator, and a display apparatus using the acousto-optic device are provided. The acousto-optic device includes a core layer having a periodic photonic crystal structure in which unit cells of predetermined patterns are repeated, a first clad layer on a first surface of the core layer, the first clad layer having a refractive index that is different from a refractive index of the core layer, a second clad layer on a second surface of the core layer, the second surface being opposite the first surface, the second clad layer having a refractive index that is different from the refractive index of the core layer, and a sound wave generator configured to apply surface acoustic waves (SAW) to the core layer, the first clad layer, the second clad layer, or any combination thereof.

Abstract: Embodiments of the invention provide a touch sensor, including a base substrate, first electrode patterns formed on one surface of the base substrate in parallel with each other, and second electrode patterns formed on the other surface of the base substrate to intersect with a direction in which the first electrode patterns are formed. The first electrode patterns are formed in patterns corresponding to the second electrode patterns to cover the second electrode patterns in a region in which the first electrode patterns and the second electrode patterns intersect each other.

Abstract: An acousto-optic device having a wide range of diffraction angle and an optical scanner, a light modulator, and a display apparatus using the acousto-optic device are provided. The acousto-optic device includes a core layer having a periodic photonic crystal structure in which unit cells of predetermined patterns are repeated, a first clad layer on a first surface of the core layer, the first clad layer having a refractive index that is different from a refractive index of the core layer, a second clad layer on a second surface of the core layer, the second surface being opposite the first surface, the second clad layer having a refractive index that is different from the refractive index of the core layer, and a sound wave generator configured to apply surface acoustic waves (SAW) to the core layer, the first clad layer, the second clad layer, or any combination thereof.

Abstract: An apparatus for displaying a holographic three-dimensional (3D) image is provided. The apparatus includes: a holographic pattern generation unit; a spatial optical modulation device including a phase transition layer formed of a phase transition material, a phase of which is changed by a temperature. A holographic pattern generated by the holographic pattern generation unit is optically addressed on the spatial optical modulation device. The apparatus also includes a heat source for applying heat to the phase transition layer; a control unit for controlling the heat source according to holographic pattern information generated by the holographic pattern generation unit; and a reproduction light source for irradiating light for image reproduction onto the spatial optical modulation device.

Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.

Abstract: Embodiments of the invention provide a touch sensor module, which includes a flexible cable having one or more terminal parts, and an adhesive layer contacting one surface of the terminal parts to transfer electrical signals. The touch sensor module further includes a base substrate including electrode pads formed to correspond to the terminal parts and contacting the other surface of the adhesive layer, and protecting layers formed along edges of the electrode pads.

Abstract: An apparatus includes a recording light source configured to emit recording beams, an EASLM configured to time sequentially modulate the recording beams emitted from the recording light source according to hologram information corresponding to a 3-dimensional image spatially divided into a plurality of portions, an OASLM configured to include a plurality of regions corresponding to the plurality of the divided portions of the 3-dimensional image and images on a region corresponding to the portions using the modulated recording beams to form a hologram, a scanning optical unit configured to reproduce the hologram formed by the recording beams serially modulated by the EASLM on a reduced scale and transmit the hologram to the regions of the OASLM corresponding to the portions, and a reproducing light source configured to produce a surface light and emit the surface light to the OASLM.

Abstract: Provided are an artificial atom of a metamaterial by coiling up space, a metamaterial including the artificial element, and a device including the metamaterial. The artificial atom of the metamaterial by coiling up space includes a first coiling unit that coils up a first space and a second coiling unit that coils up a second space and that is connected with the first coiling unit.

Abstract: A device and a method for providing a text conversion service in an electronic device are provided. The method of operating an electronic device includes displaying a screen including at least one display area, determining at least one of the at least one display area as a conversion area, acquiring a first text included in the conversion area, and providing a second text corresponding to the first text.

Abstract: A microscope for monitoring optical coherence tomography includes a microscope image providing unit which is configured to include a first objective lens, a beam splitter, and an ocular lens which are sequentially disposed from the front of a sample mount and an optical coherent tomography (OCT) image providing unit which generates an OCT image and provides the OCT image to the beam splitter of the microscope image providing unit, wherein the OCT image providing unit generates the OCT image of the same position as the surface image of the sample and provides the OCT image to the beam splitter of the microscope image providing unit, and in the case where the OCT image is provided through the beam splitter to the OCT image providing unit, the microscope image providing unit simultaneously outputs the surface image and the OCT image of the sample to the ocular lens.

Abstract: A nanostructured thin film used in a surface light source, including a dielectric layer, and nanostructures that are arranged periodically in the dielectric layer, wherein light emitted from the nanostructured thin film has directivity according to the nanostrucures.

Abstract: An acousto-optic device includes an acousto-optic medium having a multi-layer nanostructure; and a sonic wave generator configured to apply sonic waves to the acousto-optic medium having the multi-layer nanostructure. The acousto-optic medium having the multi-layer nanostructure includes a second layer formed of at least two materials that have different dielectric constants and alternate with each other; and a first layer disposed on a first surface of the second layer and formed of a first material, and/or a third layer disposed on a second surface of the second layer and formed of a fourth material.

Abstract: An optical apparatus includes a touch substrate; a waveguide layer arranged on the touch substrate, the waveguide layer including a plurality of waveguides; an optical output structure arranged on the waveguide layer and configured to output light propagating in the plurality of waveguides at touched locations on the touch substrate; a gap layer arranged to provide a predetermined gap between the waveguide layer and the optical output structure; and an optical system, which projects light output by the optical output structure.

Abstract: A spatial light modulator, a holographic image display including the same, and a method for spatially modulating light. The spatial light modulator modulates a phase of light that is incident on a plurality of pixels and includes a variable refractive index layer that has a refractive index which is variable based on one of an optical signal and an electrical signal, and a metal layer that is disposed on the refractive index-change layer, and a high refractive index layer on the metal layer. Light incident on the metal layer causes generation of a surface plasmon at an interface between the variable refractive index layer and the metal layer.

Abstract: A display apparatus for visual and audio multiplexed display may include a directive display unit configured to display a plurality of pieces of visual information toward a corresponding plurality of locations, wherein each of the plurality of pieces of visual information is output toward a specific location of the plurality of locations. The display apparatus may also include a directive speaker unit configured to transmit a plurality of pieces of audio information toward the plurality of locations, wherein each of the plurality of pieces of audio information is output toward a specific location of the plurality of locations, and a central control unit configured to control the directive display unit and the directive speaker unit.

Abstract: A method of driving a display device includes analyzing input data of the display device to confirm whether there is a predetermined image pattern in an image corresponding to the input data, where a common voltage is distorted to an extent that a clock signal for a gate driver of the display device is distorted when the display device displays the image including the predetermined image pattern, and changing a slew rate of an output buffer of a data driver of the display device based on a result of the analyzing the input data.