Abstract: A liquid crystal display device includes a bottom cover; a backlight unit disposed over the bottom cover and including a light source and a reflector sheet; and a liquid crystal panel disposed over the backlight unit, wherein the reflector sheet includes first and second sheet portions adjacent to each other in a first direction and at least one first reflective tape fixing the first and second sheet portions, and wherein the at least one first reflective tape includes a plurality of cutouts extending in a second direction perpendicular to the first direction.

Abstract: A liquid crystal display device includes a bottom cover, a backlight unit disposed over the bottom cover and including a light source and a reflector sheet; and a liquid crystal panel disposed over the backlight unit, wherein the reflector sheet includes first and second sheet portions adjacent to each other in a first direction and at least one first reflective tape fixing the first and second sheet portions, and wherein the at least one first reflective tape includes a plurality of cutouts extending in a second direction perpendicular to the first direction.

Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.

Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A knee joint rehabilitation apparatus for a wheelchair includes a rehabilitation apparatus frame having a height corresponding to a length of each of legs of a patient sitting on the wheelchair; an upper leg support disposed at an upper end of the rehabilitation apparatus frame and supporting upper legs of the patient thereon while the patient is sitting on the wheelchair; a lower leg support pivotably connected to the upper leg support, wherein the lower legs of the patient are seated and supported on the lower leg support; and an exercise control unit disposed on the rehabilitation apparatus frame and configured to allow the lower leg support to pivot around a connection portion between the lower leg support and the upper leg support such that the patient performs rehabilitation exercise of the knee joint thereof while sitting on the wheelchair.

Abstract: Disclosed is a switch circuit for an ultra-high frequency band, which includes a transistor including a first terminal connected to an input stage, a second terminal connected to an output stage, and a gate terminal, an inductor connected to the transistor in parallel, between the input stage and the output stage, a variable gate driver to apply a gate input voltage to the gate terminal and, an input resistor connected between the variable gate driver and the gate terminal. The variable gate driver adjusts the gate input voltage to be in one of a first voltage level for turning on the transistor and a second voltage level for turning off the transistor. The second voltage level varies depending on a capacitance between the first terminal and the second terminal, when the transistor is in a turn-off state.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: Provided is a membrane-electrode assembly having improved binding strength between a polymer electrolyte membrane and a catalyst layer and improved durability of the catalyst layer. An embodiment of the present invention provides a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer disposed on at least one surface of the polymer electrolyte membrane, wherein the catalyst layer contains a first composite and a second composite; the first composite contains a first catalyst containing a support and first metal particles supported on the support, and a first ionomer coated on the surface of the first catalyst; the second composite contains a second catalyst that contains second metal particles and is not supported on a support, and a second ionomer that is not coated on the surface of the second catalyst; and the first ionomer and the second ionomer are identical with or different from each other.

Abstract: The present invention relates to a catalyst layer for a fuel cell, a method for producing the catalyst layer, and a membrane-electrode assembly and a fuel cell including the catalyst layer. More particularly, the invention relates to a catalyst layer for a fuel cell, the catalyst layer including a catalyst, a heat dissipation material, and an ionomer and having an effect that the heat generated by an exothermic reaction in the catalyst layer can be efficiently discharged to the outside and a phenomenon of deterioration of a membrane-electrode assembly caused by temperature increase in the catalyst layer can be suppressed; a method for producing the catalyst layer; and a membrane-electrode assembly and a fuel cell, both including the catalyst layer.

Abstract: According to a method and an apparatus for manufacturing a membrane-electrode assembly of the present invention, positioning holes are formed through a multi-layered lamination of an electrolyte membrane, electrodes, and sub-gasket films, in an area which is not included in a final product, and manifold holes of the membrane-electrode assembly are then quickly and accurately formed on the basis of the positioning holes. Therefore, the present invention can increase the productivity while lowering the defect rate of the membrane-electrode assembly.

Abstract: Disclosed are a membrane-electrode assembly for fuel cells, a method of manufacturing the same and a fuel cell system containing the same. The membrane-electrode assembly for fuel cells includes an anode and a cathode facing each other, and a polymer electrolyte membrane interposed between the anode and the cathode, wherein at least one of the anode and the cathode further includes a porous support and a catalyst layer for fuel cells disposed on one surface of the porous support. The electrode of the membrane-electrode assembly is a free-standing electrode, and the electrode has excellent adhesivity to the polymer electrolyte membrane and thus can prevent performance deterioration resulting from detachment of the electrode from the polymer electrolyte membrane during operation of fuel cells, and in particular, can secure high durability since the electrode is not readily detached even under harsh operation environments.

Abstract: Disclosed are a membrane-electrode assembly for fuel cells, a method of manufacturing the same and a fuel cell system containing the same. The membrane-electrode assembly for fuel cells includes an anode and a cathode facing each other, and a polymer electrolyte membrane interposed between the anode and the cathode, wherein at least one of the anode and the cathode further includes a porous support and a catalyst layer for fuel cells disposed on one surface of the porous support. The electrode of the membrane-electrode assembly is a free-standing electrode, and the electrode has excellent adhesivity to the polymer electrolyte membrane and thus can prevent performance deterioration resulting from detachment of the electrode from the polymer electrolyte membrane during operation of fuel cells, and in particular, can secure high durability since the electrode is not readily detached even under harsh operation environments.

Abstract: A battery charging apparatus enables a mobile phone to be used not only for its own use but also as a cordless telephone. The battery charging apparatus includes a telephone section and a Bluetooth section. The telephone section is connected between a public network and the Bluetooth section so as to interface an incoming call from the public network to the combined cordless/mobile phone through the Bluetooth section and to interface a call oriented from the combined cordless/mobile phone to the public network through the Bluetooth section. The Bluetooth section is connected between the telephone section and the combined cordless/mobile phone so as to transmit and receive wireless data.

Abstract: A method for fast transmission of large amounts of data stored in a memory of a main part to a slave by using a short-range mobile system is disclosed. The method comprises the steps of requesting transmission of data stored in the memory of the main part, establishing a selected radio link between the main part and the slave in response to the request for transmission of data, transmitting indexing information related to the kinds of data stored in the memory of the main part through the selected radio link, and transmitting data corresponding to the indexing information selected to the slave through the radio link.

Abstract: A battery charging apparatus enables a mobile phone to be used not only for its own use but also as a cordless telephone. The battery charging apparatus includes a telephone section and a Bluetooth section. The telephone section is connected between a public network and the Bluetooth section so as to interface an incoming call from the public network to the combined cordless/mobile phone through the Bluetooth section and to interface a call oriented from the combined cordless/mobile phone to the public network through the Bluetooth section. The Bluetooth section is connected between the telephone section and the combined cordless/mobile phone so as to transmit and receive wireless data.

Abstract: A method for fast transmission of large amounts of data stored in a memory of a main part to a slave by using a short-range mobile system is disclosed. The method comprises the steps of requesting transmission of data stored in the memory of the main part, establishing a selected radio link between the main part and the slave in response to the request for transmission of data, transmitting indexing information related to the kinds of data stored in the memory of the main part through the selected radio link, and transmitting data corresponding to the indexing information selected to the slave through the radio link.