Abstract: A content zapping method for accessing multimedia contents rapidly and easily by accessing the multimedia contents on a browser basis, includes receiving a screen change command for at least one broadcast channel or at least one content; and changing a screen to a browser which provides the at least one broadcast channel or the at least one content corresponding to the received screen change command, in an order of a pre-stored list.

Abstract: A method is provided for controlling a television including a user input part for manipulating a channel adjusting item. The method includes displaying a channel map showing a predetermined number of channels including a tuned broadcast channel if the channel adjusting item is selected through the user input part, and a channel setting information menu corresponding to one of the channels shown in the channel map. Thus, the television control method not only allows a user to easily and simply recognize a channel setting state according to channels when the user wants to adjust channel-related functions, but also allows a user to conveniently and effectively adjust the channel setting state according to the channels.

Abstract: Provided are camera modules capable of effectively shielding electromagnetic (EM) waves and methods of fabricating the same. A method of fabricating a camera module includes, preparing a first wafer including an array of lens units. Then, a second wafer including an array of image sensor CSPs (chip-scale packages) is prepared. Each of the image sensor CSPs includes an image sensor chip corresponding to one of the lens units. The first wafer is stacked on the second wafer. The first wafer and the second wafer are cut to form a trench exposing the top surface of the image sensor chip at the interface between adjacent lens units. The trench is filled with a first material used for forming a housing. The first material and the image sensor chip are cut at the interface between the adjacent lens units.

Abstract: A display apparatus includes: an image processor; a display unit; a remote controller which includes a touch input unit to detect motion of a user; a remote control signal receiver which receives a remote control signal from the remote controller corresponding to the motion of a user; and a controller which displays the content information window as if the content information window enters from an outside of a display area to an inside of the display area in accordance with the motion that a user moves from an outside of an area of the touch input unit to an inside of the area, or stops displaying the content information window as if the content information window exits from the inside of the display area to the outside of the display area in accordance with the motion that a user moves from the inside of the area of the touch input unit to the outside of the touch input unit.

Abstract: A method for providing a user interface and a display apparatus applying the same are provided. According to the method for providing the user interface, if a flick touch manipulation of a first axis direction is sensed, a category of a displayed content list is changed, so that a user can change the category of the content list.

Abstract: Provided is a method of forming a compound semiconductor device. In the method, a dopant element layer is formed on an undoped compound semiconductor layer. An annealing process is performed to diffuse dopants in the dopant element layer into the undoped compound semiconductor layer, thereby forming a dopant diffusion region. A rapid cooling process is performed using liquid nitrogen with respect to the substrate having the dopant diffusion region.

Abstract: An apparatus and method for providing a three-dimensional graphic user interface includes a control module which creates a three-dimensional interface space having a predetermined plane and an axis perpendicular to the plane, and a plurality of objects presented in the space, and a user interface module which presents a plurality of object groups including the plurality of objects in the space, and moves an object group including a selected object among the plurality of presented object groups along the axis.

Abstract: A display system, a display device, and a remote controller for controlling the display device are provided. The remote controller includes: a touch screen which receives an input from a user and display a first manipulation UI group including a shortcut key corresponding to a plurality of buttons to control the display device; a signal output unit which outputs a control signal to the display device based on an input to the touch screen; and a controller which, in response to a user's selection of the shortcut key, displays on the touch screen a second manipulation UI group and parts of the first manipulation UI group, the second manipulation UI group displaying the plurality of buttons.

Abstract: A portable device includes: a communication unit which communicates with an external device; a touch screen which includes a user interface (UI) menu and detects a touch input of a user; a controller which determines whether the user's touch inputs successively detected by the touch screen is a static touch or a dynamic touch according to whether a first position of a touch start and a second position of a touch termination are the same, performs an operation corresponding to the UI menu corresponding to the touch position if the successive touch inputs are the static touch wherein the first and second positions are the same, and controls the communication unit to send the external device a control signal corresponding to the dynamic touch if the successive touch inputs are the dynamic touch wherein the first and second positions are different.

Abstract: A display apparatus and a method of controlling contents thereof, the display apparatus including: a communication unit which is connected to a first external device; a content input unit which receives second source-type multimedia content from a second external device; and a controller which controls the communication unit to search first source-type multimedia content stored in the first external device and to transmit to the first external device a control signal for requesting the searched first source-type multimedia content to be received by the communication unit, and which generates unified index information for unified navigation of the first and the second source-type multimedia contents received from the first and second external device.

Abstract: Provided is an avalanche photodetector with an integrated micro lens. The avalanche photodetector includes a light absorbing layer on a semiconductor substrate, an amplification layer on the light absorbing layer, a diffusion layer within the amplification layer, and the micro lens disposed corresponding to the diffusion layer. The micro lens includes a first refractive layer and a second refractive layer having a refractive index less than that of the first refractive layer.

Abstract: Provided are an adapter assembly and method for compensating optical fibers for a length difference. The adapter assembly includes a first adapter, a second adapter, and a member. The first adapter is configured to be connected to at least one optical communication unit. The second adapter is configured to be connected to at least another optical communication unit and be coupled to the first adapter. The member is configured to be interposed between the first and second adapters for providing an optical signal transmission path between the optical communication units. Owing to the member, a length difference between optical fibers can be compensated for.

Abstract: Provided is a photo detector. The photo detector includes: an avalanche photodiode; a bias circuit supplying a bias voltage to one end of the avalanche photodiode; a detection circuit connected to the other end of the avalanche photodiode and detecting a photoelectric current occurring in the avalanche photodiode; and a coupling capacitor connected to the one end or the other end of the avalanche photodiode and supplying a coupling voltage to drive the avalanche photodiode in a Geiger mode.

Abstract: Provided is an optical OFDM receiver. The optical OFDM receiver receives an optical signal dependent on the nonlinearity of a transmitter. The optical OFDM receives includes an optical down converter, a nonlinearity compensator, and an OFDM demodulator. The optical down converter converts the optical signal into an electrical signal. The nonlinearity compensator filters the electrical signal, for compensating distortion which is added to the optical signal when the transmitter performs optical modulation. The OFDM demodulator demodulates the distortion-compensated electrical signal in an OFDM scheme.

Abstract: A method for manufacturing a tape wiring board in accordance with the present invention may employ an imprinting process in forming a wiring pattern, thereby reducing the number of processes for manufacturing a tape wiring board and allowing the manufacturing process to proceed in a single production line. Therefore, the manufacturing time and cost may he reduced. A profile of the wiring pattern may be determined by the shape of an impression pattern of a mold. This may establish the top width of inner and outer leads and incorporate tine pad pitch. Although ILB and OLB process may use an NCP, connection reliability may be established due to the soft and elastic wiring pattern.

Abstract: A camera module includes an image sensor chip, a lens structure, a transparent substrate, an adhesive portion, and a light blocking layer. The image sensor chip includes a light receiving area and a circuit area. The lens structure is positioned on the image sensor chip and configured to allow light to enter the image sensor chip. The transparent substrate is positioned between the image sensor chip and the lens structure, the transparent substrate allowing light from the lens structure to enter the light receiving area. The adhesive portion attaches the image sensor chip and the transparent substrate, and covers the circuit area. The light blocking layer is attached to the transparent substrate to block light from entering the circuit area.

Abstract: Provided is a polarization division multiplexed optical OFDM transmitter. The polarization division multiplexed optical OFDM transmitter includes a data demultiplexer, a training symbol generation unit and an optical up-converter and polarization division multiplexing unit. The data demultiplexer divides a transmission signal into a plurality of groups. The training symbol generation unit allocates a plurality of training symbols for each OFDM data which is included in the respective multiplexed groups, and allocates repetitive data in a time domain for the respective training symbols for data of 0 to periodically appear for the respective training symbols in a frequency domain. The optical up-converter and polarization division multiplexing unit performs optical frequency band conversion and polarization division multiplexing on an output of the training symbol generation unit to output a polarization division multiplexed optical OFDM signal corresponding to a plurality of polarization components.

Abstract: Provided is an optical receiver used for an optical communication system, more particularly, a polarization split-phase shift demodulation coherent optical receiver. An optical hybrid includes a first optical splitter, a phase shift waveguide, a second optical splitter, and an optical coupler. The first optical splitter splits a first input optical signal to output first output optical signals. The phase shift waveguide receives the first output optical signals and controls and outputs the first output optical signals such that the first output optical signals have different phases. The second optical splitter splits a second input optical signal to output a plurality of second output optical signals. The optical coupler couples the first output optical signals one-to-one with the second output optical signals, respectively.

Abstract: A method for providing program information and a display apparatus using the same are provided. A method for providing program information includes extracting program information based on a finish time of a program, and generating and displaying a program information screen based on the extracted program information. Accordingly, since program information which the user actually needs is selectively provided, the user may view a program information screen with greater view stability.

Abstract: A method for manufacturing a tape wiring board in accordance with the present invention may employ an imprinting process in forming a wiring pattern thereby reducing the number of processes for manufacturing a tape wiring board and allowing the manufacturing process to proceed in a single production line. Therefore, the manufacturing time and cost may be reduced. A profile of the wiring pattern may be determined by the shape of an impression pattern of a mold. This may establish the top width of inner and outer leads and incorporate fine pad pitch. Although ILB and OLB process may use an NCP, connection reliability may be established due to the soft and elastic wiring pattern.