Abstract: A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate having a light incident surface and a light emitting surface, a bottom case accommodating the light guide plate, a fixing frame coupled to the bottom case and fixing the circuit board, and a heat dissipation apparatus disposed between the light source and the light guide plate and including a light-transmitting unit that transmits light.

Abstract: A method of operating a server for synchronizing contents includes receiving content identification information of image contents being reproduced by a plurality of image display apparatuses, obtaining reproduction time information of the image contents by comparing the content identification information with previously stored contents information, setting a synchronization reference time to synchronize reproduction of the image contents based on the reproduction time information, and transmitting a set synchronization reference time to the plurality of image display apparatuses.

Abstract: A liquid crystal display device includes a liquid crystal module; a printed circuit board providing driving signals to the liquid crystal module; and an installation unit including first, second and third parts, wherein the first part is attached to the liquid crystal module, the second part faces the first part and is attached to the printed circuit board, and the third part connects the first and second parts.

Abstract: A conversation topic providing method includes: converting voice data, of a conversation of a user who is on a phone, into text; selecting a keyword, indicating an intention of the user, from the text; obtaining information of interest with respect to the keyword; and determining topics relating to the keyword based on user information.

Abstract: A light emitting module includes a first and second light source spaced apart from each other and each configured to generate and emit light; the first light source; and a metal board which is electrically connected to the first and second light sources. The metal board includes a body portion upon which the first and second light sources are disposed; first and second side portions respectively on first and second ends of the body portion; a first insulation layer which is between the body portion and the first side portion and insulates the body portion from the first side portion; and a second insulation layer which is between the body portion and the second side portion and insulates the body portion from the second side portion.

Abstract: A backlight assembly includes a first light guide member; a second light guide member overlapping the first light guide member; a groove defined in the second light guide member; and a light source unit in the groove. The light source unit generates and supplies light to the first light guide member and the second light guide member.

Abstract: A method for controlling a portable device and an external device thereof is provided. When a preset user command is input while a portable device is in a lock mode, the portable device displays a remote control UI which controls an external device, and performs pairing with the external device based on the remote control UI to control the external device.

Abstract: A backlight unit for a display device includes a light source module which emits light, a light guiding plate which guides the light incident from the light source module toward a front surface thereof, and a light beam spread angle regulating sheet disposed between the light source module and a lateral surface of the light guiding plate, where the light beam spread angle regulating sheet regulates a light beam spread angle of the light incident from the light source module.

Abstract: An image processing apparatus including: a connector which receives a signal in at least one external input; a signal processor which processes the signal received, and displays an image on a display unit based on the processed signal; and a controller which displays a guide image which guides a user to connect the at least one external input to the connector, sequentially displays on the display unit a setting image of the at least one external input to sequentially perform a connection setting for the connector to receive the signal in the at least one external input after the guide image is displayed, detects a signal input characteristic of a first external input of the at least one external input connected to the connector after the guide image is displayed, and selectively displays the setting image corresponding to the first external input according to the detection result.

Abstract: A method for displaying video and a broadcast receiving apparatus applying the same. The broadcast receiving apparatus includes an output unit which outputs a user interface window containing a plurality of groups having at least one broadcast channel, an input unit which receives a zapping command, a receiving unit which is tuned to a broadcast channel and receives a broadcast signal, and a control unit which controls the receiving unit, if one from among the plurality of groups categorized according to at least one criterion of categorization is selected and the zapping command is inputted, so that the receiving unit is tuned to the broadcast channels belonging to the selected group in sequence.

Abstract: An image processing apparatus includes an image processing unit which processes an image signal, a display unit which displays the processed image, a user interface unit which receives a user command to capture an image, a screen capture unit which captures an image frame according to the user command, a storage unit which stores the image frame captured by the screen capture unit, and a control unit which controls the screen capture unit to capture a plurality of image frames including the image frame corresponding to a point of time when the user command is input.

Abstract: An optical amplifying medium, a method of manufacturing the optical amplifying medium are provided, and an optical device comprising the optical amplifying medium. The optical amplifying medium includes a multi-layer structure in which a first material layer doped with an activator and a second material layer that comprises a sensitizer are stacked.

Abstract: A display apparatus and a touch sensing method are provided. The display apparatus includes a touch screen which senses a touch by a user using a plurality of sensing types; and a controller which selects a sensing type based on an application. Therefore, a user's touch is sensed using an optimal sensing type for each application. In doing so, malfunction or inconvenience in manipulating the touch screen can be reduced.

Abstract: Example embodiments relate to a reflective structure, a display apparatus including the reflective structure, and a method of manufacturing the reflective structure and the display apparatus. A reflective structure according to example embodiments may include a plurality of nanoparticles of non-uniform size, which are arranged on a substrate, or an uneven element having a surface contour that resembles a plurality of nanoparticles; and a reflective layer covering the plurality of nanoparticles or the uneven element. The reflective layer may have a random/variable height.

Abstract: A method of manufacturing a thin film transistor array panel includes forming an amorphous silicon film on an insulating substrate; forming a sacrificial film having an embossed surface on the amorphous silicon film; contacting a metal plate with the sacrificial film and performing heat-treatment for crystallizing the amorphous silicon film to change the amorphous silicon film to a polycrystalline silicon film; removing the metal plate and the sacrificial film; patterning the polycrystalline silicon film to form a semiconductor; forming a gate insulating layer which covers the semiconductor; forming a gate line on the gate insulating layer, a portion of the gate line overlapping the semiconductor; heavily doping a conductive impurity into portions of the semiconductor to form a source region and a drain region; forming an interlayer insulating layer which covers the gate line and the semiconductor; and forming a data line and an output electrode connected to the source and drain regions, respectively, on the

Abstract: An optical amplifying medium, a method of manufacturing the optical amplifying medium are provided, and an optical device comprising the optical amplifying medium. The optical amplifying medium includes a multi-layer structure in which a first material layer doped with an activator and a second material layer that comprises a sensitizer are stacked.

Abstract: Provided are methods of forming nano crystals and method of manufacturing a memory device suing the same. In an example embodiment, a method of forming nano crystals may include forming an amorphous film on a substrate and converting the amorphous film into an oxide film having the nano crystals by annealing the amorphous film under oxidizing conditions under which part of the crystallized film is oxidized.

Abstract: A method of manufacturing a thin film transistor array panel includes forming an amorphous silicon film on an insulating substrate; forming a sacrificial film having an embossed surface on the amorphous silicon film; contacting a metal plate with the sacrificial film and performing heat-treatment for crystallizing the amorphous silicon film to change the amorphous silicon film to a polycrystalline silicon film; removing the metal plate and the sacrificial film; patterning the polycrystalline silicon film to form a semiconductor; forming a gate insulating layer which covers the semiconductor; forming a gate line on the gate insulating layer, a portion of the gate line overlapping the semiconductor; heavily doping a conductive impurity into portions of the semiconductor to form a source region and a drain region; forming an interlayer insulating layer which covers the gate line and the semiconductor; and forming a data line and an output electrode connected to the source and drain regions, respectively, on the

Abstract: Disclosed is a gain-providing optical power equalizer which can equalize optical channel output or gain while amplifying signal output. In prior art technologies, optical power equalization has been achieved by attenuating signal output differently depending upon optical channels. However, the optical power equalizer of the present invention is characterized in that it achieves equalization of optical power by giving optical gain differently depending upon optical channels. According to the present invention, the output of optical channels can be adjusted to be flat or as desired without deteriorating signal to noise ratio.

Abstract: The present invention relates to a waveguide amplifier which is comprised of silica or silica-related material co-doped with silicon nanoclusters and rare earth elements, and more particularly, to a waveguide amplifier with higher efficiency enhanced by top-pumping method and focusing means for pumping light. The waveguide amplifier of the present invention comprises of: (a) a substrate; (b) an optical waveguide including: a lower cladding layer formed on the substrate; a core layer which is made of silica or silica-related material co-doped with silicon nanoclusters and rare earth elements on the lower cladding layer and has a refractive index higher than that of the lower cladding; and an upper cladding layer formed on the core layer; and (c) a light source, spaced apart from the waveguide, for optically pumping the waveguide, wherein the waveguide amplifier operates by exciting the rare earth elements through electron-hole combinations in the silicon nanoclusters.