Abstract: A diffractive light guide plate including a light guide unit; an input diffractive optical element that receives lights output from a light source and diffracts the received lights to be guided on the light guide unit; and two output diffractive optical elements disposed in a predetermined region of the light guide unit and having different linear grating patterns from each other, wherein the two output diffractive optical elements are configured so that each one output diffractive optical element receives the lights from the input diffractive optical element and allows the received lights to be directed to the other output diffractive optical element by diffraction, and so that each one output diffractive optical element receives lights from the other output diffractive optical element and allows the received lights to be output from the light guide unit by diffraction, and the two output diffractive optical elements having different linear grating patterns are alternately arranged in at least one dimension

Abstract: A semiconductor device including a first interlayer insulating film; a conductive pattern in the first interlayer insulating film; a resistance pattern on the conductive pattern; an upper etching stopper film spaced apart from the resistance pattern, extending in parallel with a top surface of the resistance pattern, and including a first metal; a lower etching stopper film on the conductive pattern, extending in parallel with a top surface of the first interlayer insulating film, and including a second metal; and a second interlayer insulating film on the upper etching stopper film and the lower etching stopper film, wherein a distance from a top surface of the second interlayer insulating film to a top surface of the upper etching stopper film is smaller than a distance from the top surface of the second interlayer insulating film to a top surface of the lower etching stopper film.

Abstract: A manufacturing method for a semiconductor device, includes: forming a first gate structure and a second gate structure on a substrate; forming a deep trench isolation (DTI) hard mask on the first and second gate structures; forming a deep trench isolation disposed between the first gate structure and the second gate structure; depositing a first undoped oxide layer in the deep trench isolation; performing a first etch-back process on the first undoped oxide layer to remove a portion of the undoped oxide layer; depositing a first deep trench isolation (DTI) gap-fill layer on a remaining portion of the undoped oxide layer, and performing a second etch-back process on the first DTI gap-fill layer; depositing a second DTI gap-fill layer to seal the deep trench isolation, and forming a planarized second DTI gap-fill layer by a planarization process; and depositing a second undoped layer on the planarized second DTI gap-fill layer.

Abstract: A chip-on-film package may include a film substrate including a chip region and an edge region, a semiconductor chip provided on the chip region and mounted on a top surface of the film substrate, the semiconductor chip including a chip pad adjacent to a bottom surface thereof, an input line and an output line provided on the edge region and disposed on the top surface of the film substrate, a connection terminal interposed between the film substrate and the semiconductor chip, and a redistribution pattern disposed between the semiconductor chip and the connection terminal.

Abstract: A file protection method of a computer apparatus including a processor, the method including extracting classes from an executable file of a package file, classifying the classes into class groups, adding a loading code to a first class group among the class groups, the loading code configured to cause sequential loading of the class groups to a memory in a random loading order in response to execution of the package file, adding an integrity code to a second class group among the class groups, the integrity code configured to verify an integrity of a corresponding class group among the class groups or a previous class group among the class groups, the previous class group including the loading code configured to cause the corresponding class group to load, and regenerating the package file using the class groups after the adding the loading code and the adding the integrity code.

Abstract: An electronic device includes housing including first plate, second plate, and side member, wherein side member includes first side face in first direction having first length, second side face having second length greater than first length, third side face extending parallel to first side face having first length, and fourth side face; touch screen display disposed within housing, and exposed through portion of first plate; a PCB between first plate and second plate to be parallel to second plate, wherein PCB includes ground plane and first L-shaped ground extension between first conductive region of second plate and first plate, and first L-shaped ground extension includes first portion extending in second direction from ground plane and second portion extending in first direction from first portion; and at least one first wireless communication circuit disposed on PCB and electrically connected to first point in second portion of first L-shaped ground extension.

Abstract: A suspension system for a vehicle may include a knuckle configured of rotatably supporting a wheel, and a lower control arm mounted along a vehicle's width direction and connecting the knuckle and a vehicle body, wherein the lower control arm may include a wheel-side end portion connected to a lower portion of the knuckle through a lower external joint, a vehicle body-side front end portion connected to the vehicle body through a front lower inner joint, and a vehicle body-side rear end portion connected to the vehicle body through a rear lower inner joint, wherein one of the vehicle body-side front and rear end portions is connected to a portion of the vehicle body through a compliance control arm.

Abstract: The present invention relates to a Doherty combiner used in a Doherty power amplifier, the Doherty combiner comprising: a phase shift section connected to one end of a carrier amplifier so as to change a phase of an RF signal output from the carrier amplifier; a matching section connected to an output terminal of the Doherty power amplifier so as to impedance-match an output of the Doherty power amplifier; and a bandwidth improvement section connected to one end of a peaking amplifier so as to change at least one of a phase bandwidth and an amplitude bandwidth of the Doherty power amplifier.

Abstract: A suspension system for a vehicle may include a knuckle rotatably supporting a wheel, and a lower control arm disposed along a vehicle's width direction and connecting the knuckle and a vehicle body, wherein the lower control arm includes a wheel-side end portion connected to a lower portion of the knuckle through a front lower external joint and a rear lower external joint, and two vehicle body-side end portions connected to the vehicle body through a front lower inner joint and a rear lower inner joint, the two vehicle body-side end portions including first and second vehicle body-side end portions, wherein the first vehicle body-side end portion among the two vehicle body-side end portions is connected to the vehicle body interposing a compliance control arm between the first vehicle body-side end portion and the vehicle body.

Abstract: The present invention relates to a Doherty combiner used in a Doherty power amplifier, the Doherty combiner comprising: a phase shift section connected to one end of a carrier amplifier so as to change a phase of an RF signal output from the carrier amplifier; a matching section connected to an output terminal of the Doherty power amplifier so as to impedance-match an output of the Doherty power amplifier; and a bandwidth improvement section connected to one end of a peaking amplifier so as to change at least one of a phase bandwidth and an amplitude bandwidth of the Doherty power amplifier.

Abstract: A suspension system for a vehicle may include a knuckle configured of rotatably supporting a wheel, and a lower control arm mounted along a vehicle's width direction and connecting the knuckle and a vehicle body, wherein the lower control arm may include a wheel-side end portion connected to a lower portion of the knuckle through a lower external joint, a vehicle body-side front end portion connected to the vehicle body through a front lower inner joint, and a vehicle body-side rear end portion connected to the vehicle body through a rear lower inner joint, wherein one of the vehicle body-side front and rear end portions is connected to a portion of the vehicle body through a compliance control arm.

Abstract: A suspension system for a vehicle may include a knuckle rotatably supporting a wheel, and a lower control arm disposed along a vehicle's width direction and connecting the knuckle and a vehicle body, wherein the lower control arm includes a wheel-side end portion connected to a lower portion of the knuckle through a front lower external joint and a rear lower external joint, and two vehicle body-side end portions connected to the vehicle body through a front lower inner joint and a rear lower inner joint, the two vehicle body-side end portions including first and second vehicle body-side end portions, wherein the first vehicle body-side end portion among the two vehicle body-side end portions is connected to the vehicle body interposing a compliance control arm between the first vehicle body-side end portion and the vehicle body.

Abstract: An electronic device includes a first antenna radiator configured to transmit or receive a signal of a first frequency band and a signal of a second frequency band, a second antenna radiator configured to transmit or receive the signal of the second frequency band, a matching circuit mismatched with the second antenna radiator in the first frequency band and matched with the second antenna radiator in the second frequency band, a radio frequency circuit electrically connected to the first antenna radiator and the second antenna radiator, and a processor configured to control the RF circuit such that the signal of the second frequency band is transmitted or received through the first antenna radiator and the second antenna radiator in a multi-input multi-output mode or such that the signal of the first frequency band is transmitted or received through the first antenna radiator in a single input single output mode.

Abstract: An antenna device of a portable device such as a smartphone includes a connecting member having a conductive case and mounted on a circuit board of the portable device in a manner such that the case is connected to a ground surface of the circuit board; a radiator spaced from the circuit board; and at least one connecting pin provided between the case and the radiator. The radiator is connected to the ground surface through the connecting pin and the case. The antenna device advantageously may be easily installed in the internal space of a miniaturized, lightened and/or slimmed portable device by practically using a conductive component, e.g., the case, of the connecting member.

Abstract: The present invention is related to a reinforcing member for a membrane for improving the pressure-withstanding property of the membrane having corrugations, and a membrane assembly having the reinforcing member and a method of constructing the membrane assembly. By providing a reinforcing member for a membrane having corrugations and installed in an insulating structural member of an LNG cargo, the present invention can prevent the collapse of the corrugation and attenuate shocks against a same load without increasing the facial rigidity of the corrugation, and improve the insulating property by forming an additional insulating layer.

Abstract: An electronic device includes housing including first plate, second plate, and side member, wherein side member includes first side face in first direction having first length, second side face having second length greater than first length, third side face extending parallel to first side face having first length, and fourth side face; touch screen display disposed within housing, and exposed through portion of first plate; a PCB between first plate and second plate to be parallel to second plate, wherein PCB includes ground plane and first L-shaped ground extension between first conductive region of second plate and first plate, and first L-shaped ground extension includes first portion extending in second direction from ground plane and second portion extending in first direction from first portion; and at least one first wireless communication circuit disposed on PCB and electrically connected to first point in second portion of first L-shaped ground extension.

Abstract: An electronic device includes a first antenna radiator configured to transmit or receive a signal of a first frequency band and a signal of a second frequency band, a second antenna radiator configured to transmit or receive the signal of the second frequency band, a matching circuit mismatched with the second antenna radiator in the first frequency band and matched with the second antenna radiator in the second frequency band, a radio frequency circuit electrically connected to the first antenna radiator and the second antenna radiator, and a processor configured to control the RF circuit such that the signal of the second frequency band is transmitted or received through the first antenna radiator and the second antenna radiator in a multi-input multi-output mode or such that the signal of the first frequency band is transmitted or received through the first antenna radiator in a single input single output mode.

Abstract: The present invention relates to a preparation method of drug-containing sustained release microparticles, the preparation method comprising the steps of: (a) dissolving a biodegradable polymer and a drug in a halogenated alkane solvent to form a drug-containing biodegradable polymer solution; (b) homogeneously mixing the drug-containing biodegradable polymer solution in a continuous phase containing a surfactant to form a dispersed phase; (c) maintaining an emulsion comprising the continuous phase and the dispersed phase at a temperature lower than the boiling point of the halogenated alkane solvent to form microparticles in the continuous phase; (d) primarily drying the microparticles; (e) mixing the primarily dried microparticles with an aqueous alcohol solution, and then maintaining the aqueous alcohol solution at a temperature no less than the boiling point of the halogenated alkane solvent to extract and evaporate the remaining halogenated alkane solvent from the microparticles; and (f) secondarily dryi

Abstract: An antenna device of a portable device such as a smartphone includes a connecting member having a conductive case and mounted on a circuit board of the portable device in a manner such that the case is connected to a ground surface of the circuit board; a radiator spaced from the circuit board; and at least one connecting pin provided between the case and the radiator. The radiator is connected to the ground surface through the connecting pin and the case. The antenna device advantageously may be easily installed in the internal space of a miniaturized, lightened and/or slimmed portable device by practically using a conductive component, e.g., the case, of the connecting member.