Abstract: A keyboard includes a base plate, key switches and a backlight module. The base plate has posts. The backlight module includes a masking plate, a light guiding plate, a light emitting unit, a reflective plate and an attaching layer. A plurality of upper through holes are formed on the masking plate. An upper attached area is defined by a periphery of each of the upper through holes. A plurality of penetrating holes are formed on the light guiding plate. A plurality of lower through holes are formed on the reflective plate. A lower attached area is defined by a periphery of each of the lower through holes. The attaching layer attaches the lower attached area with the upper attached area. The lower attached area is attached to the upper attached area via the corresponding penetrating hole, so as to block side walls of the corresponding penetrating hole.

Abstract: There is provided a microphone device comprising: a substrate having top and bottom portions, wherein the substrate has a cavity defined therein, wherein the cavity is open at the bottom portion of the substrate; a two-dimensional piezoelectric layer disposed on the top portion of the substrate, wherein the two-dimensional piezoelectric layer blocks a top of the cavity; and first and second electrode layers respectively arranged on both lateral end portions of the two-dimensional piezoelectric layer, wherein the first and second spaced electrode layers are spaced apart and electrically insulated from each other, wherein an electric potential energy is generated between the first and second electrode layers via piezoelectricity of the two-dimensional piezoelectric layer when the two-dimensional piezoelectric layer vibrates by sound energy applied thereto, wherein the piezoelectricity is generated in a parallel direction to a plane of the two-dimensional piezoelectric layer.

Abstract: A method for planning a path of a working device includes: generating a polygon corresponding to a work area of the working device and generating an edge data structure based on the polygon; generating a survey area based on the polygon; generating a plurality of survey lines at a predetermined interval in the survey area; detecting at least one intersection between each of edges of the polygon and each of the plurality of survey lines based on the edge data structure; and generating the path of the working device in the work area based on the at least one intersection.

Abstract: A flexible display device may include a display module including a first non-bending area and a first bending area adjacent to the first non-bending area, and a cushion layer disposed on a rear surface of the display module, wherein the cushion layer has a first density in the first non-bending area and a second density in the first bending area, and the first density is lower than the second density.

Abstract: A method of forming an IC including a power semiconductor device includes providing a substrate having an epi layer thereon with at least one transistor formed therein covered by a pre-metal dielectric (PMD) layer. Contact openings are etched from through the PMD into the epi layer to form a sinker trench extending to a first node of the device. A metal fill material is deposited to cover a sidewall and bottom of the sinker trench but not completely fill the sinker trench. A dielectric filler layer is deposited over the metal fill material to fill the sinker trench. An overburden region of the dielectric filler layer is removed stopping on a surface of the metal fill material in the overburden region to form a sinker contact. A patterned interconnect metal is formed providing a connection between the interconnect metal and metal fill material on the sidewall of the sinker trench.

Abstract: A chip package including a substrate having an upper surface, a lower surface, and a sidewall surface that is at the edge of the substrate is provided. The substrate includes a sensor device therein and adjacent to the upper surface thereof. The chip package further includes light-shielding layer disposed over the sidewall surface of the substrate and extends along the edge of the substrate to surround the sensor device. The chip package further includes a cover plate disposed over the upper surface of the substrate and a spacer layer disposed between the substrate and the cover plate. A method of forming the chip package is also provided.

Abstract: A flexible display panel of an expandable display device includes a first side with a display unit, and a second side opposite to the first side. A bending guide includes an external guide that faces part of the first side and has a first curved side, and an internal guide that faces part of the second side and has a second curved side. A slider that slides on the bending guide is attached to one end portion of the flexible display panel. A radius of the first curved side is greater than a radius of the second curved side. When the slider moves toward the bending guide, the first side contacts the first curved side and is bent by the first curved side, and when the slider moves away from the bending guide, the second side contacts the second curved side and is bent by the second curved side.

Abstract: A driving method an electro-optic display having a plurality of display pixels, the method include applying a first set of waveform to a first display pixel, the first set of waveform having at least one active portion configured to affect the optical state of the first display pixel and at least one non-active portion configured not to substantially affect the optical state of the first display pixel. The method also include applying a second set of waveform to a second display pixel, the second set of waveform having at least one active portion configured to affect the optical state of the second display pixel and at least one non-active portion configured not to substantially affect the optical state of the second display pixel, where the at least one active portions of the first and second set of waveforms do not overlap in time.

Abstract: The present invention relates to a plasticizer composition, a resin composition, and methods for preparing the same. The present invention can provide: a plasticizer capable of improving properties, such as plasticization efficiency, transitivity, tensile strength, elongation, and tension/elongation retention, required when a resin composition is used as a plasticizer, by improving poor properties caused due to structural limitations; and a resin composition containing the same.

Abstract: A semiconductor device may include a valid command generation circuit and a training control circuit. The valid command generation circuit may be configured to latch an internal chip selection signal and an internal control signal in synchronization with a division clock signal to generate a latch chip selection signal and a latch control signal. The valid command generation circuit may be configured to generate a valid command for executing a predetermined function from the latch control signal. The training control circuit may be configured to generate a training result signal from the latch chip selection signal or the latch control signal based on a flag.

Abstract: A fan-out semiconductor package includes: a first interconnection member having a through-hole; a processor chip disposed in the through-hole; a memory chip disposed in the through-hole and including a plurality of dies stacked on each other; an encapsulant encapsulating at least portions of the first interconnection member, the memory chip, and the processor chip; and a second interconnection member disposed on the first interconnection member, an active surface of the memory chip, and an active surface of the processor chip. The first interconnection member and the second interconnection member respectively include redistribution layers electrically connected to connection pads of the processor chip and connection pads of the memory chip, and the connection pads of the processor chip and the connection pads of the memory chip are electrically connected to each other by the redistribution layer of the second interconnection member.

Abstract: Provided are a method of generating a functional coverage model from a hardware description language (HDL) code for a circuit design and performing verification of the circuit design by using the functional coverage model, and a computing system in which the method is performed.

Abstract: An electronic device is provided. The electronic device includes a camera, a communication circuit configured to communicate with an external electronic device, and a processor. The processor is configured to obtain an image using the camera, verify location information of the image, obtain identification information of the external electronic device from the external electronic device if the location information of the image is not verified, and determine the location information of the image based on the identification information of the external electronic device.

Abstract: A micro sensor package having a low thermal conductivity includes: a substrate on which a metal pattern is formed; a sensing chip disposed on the substrate; a cover covering the sensing chip and formed with a hole for supplying gas to the sensing chip; and a filter covering the hole, wherein the sensing chip comprises a sensor platform having a plurality of first pores formed along the up-down direction, and a sensor electrode formed on an upper portion or a lower portion of the sensor platform and electrically connected to the metal pattern.

Abstract: An air conditioner includes a main body, a fan configured to cause air to flow through the main body, and a water reservoir detachably disposed on an upper portion of the main body. A humidifying fabric member is disposed inside the main body and configured to receive water from the water reservoir. A water collecting tank is configured to collect water that flows down from the humidifying fabric member. In addition, a pump is configured to pump the water in the water collecting tank to the water reservoir through a suction hole. A bottom of the water collecting tank is formed to be downwardly inclined toward one portion of the bottom and the suction hole of the pump is disposed adjacent to the one portion.

Abstract: An expandable display device includes: a housing including a fixing portion; a pair of sliding portions provided at respective sides of the fixing portion, each of the sliding portions being configured to be drawn out from the housing along a first direction such that a distance from the respective sliding portion to the fixing portion is changed; and a panel unit including: a fixing display unit on the fixing portion; and a pair of expanding display units on the pair of sliding portions and having a variable exposing area; a flexible display panel including a plurality of pixels and having a screen at a first side thereof; and a support panel attached to a second side of the flexible display panel facing the first side, the support panel including a plurality of slits extending in a second direction crossing the first direction.

Abstract: Provided is an installation structure for installing control rod drive mechanisms and cable sealing units in a nuclear reactor pressure vessel. The installation structure includes: a sealing flange having a ring shape and being hermetically coupled to an upper pressure vessel and a lower pressure vessel of the nuclear reactor pressure vessel; a cylindrical tube extending downward vertically from an internal edge of the sealing flange; and a support plate provided horizontally to block a lower end portion of the cylindrical tube. A plurality of mounting holes that penetrate through the sealing flange horizontally are arranged in the sealing flange with a predetermined interval therebetween along a circumferential direction, the cable sealing units are inserted and mounted in the plurality of mounting holes, and the control rod drive mechanisms are installed on the support plate to be supported.

Abstract: A multipurpose rollable moving device is provided. The multipurpose rollable moving device includes: a spherical driving wheel; a driving device that is installed within the driving wheel in order to apply a torque to the spherical driving wheel; a docking portion that is installed within the spherical driving wheel to generate a magnetic force; and a mounting portion that may be attached to a surface of the spherical driving wheel by a magnetic force of the docking portion and that may mount an article. Therefore, the multipurpose rollable moving device can mount an article and easily stably move in an omnidirection on the ground.

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate successive to a 4G communication system such as LTE. The present disclosure provides a communication method of a Base Station (BS) using an Integer Forcing (IF) scheme in a Multi-User Multiple-Input and Multiple-Output (MU-MIMO) communication system, the method including: receiving a reception signal including a desired signal transmitted from at least one User Equipment (UE) served by the BS and an interference signal transmitted from at least one UE served by a neighboring BS; determining an IF filter considering the interference signal based on information on the interference signal received from the neighboring BS; filtering the reception signal using the determined IF filter; and detecting or decoding at least one of the desired signal and the interference signal using the filtered reception signal.

Abstract: A 4 wheel drive vehicle removes sense of shift difference through an acceleration shift control mode, and the acceleration shift control mode transfers an independent other drive shaft input torque to a drive shaft not connected to a transmission with respect to a transmission input torque transferred to a drive shaft connected with the transmission, so that a vehicle acceleration in an actual shift section connecting between a fore-section and post-section of the shift can be maintained to be equal to the vehicle acceleration of the fore-section and post-section of the, thereby overcoming the transfer torque change, which is not overcome in a conventional slip control method, speed control method and time control method, when transferring a torque to the drive wheels in the actual shift section and realizing the shift quality without the sense of shift difference.