Abstract: An optical imaging lens includes a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has positive refracting power, an optical-axis region of the object-side surface of the second lens element is convex, a periphery region of the object-side surface of the second lens element is convex, and an optical-axis region of the image-side surface of the second lens element is convex. The Abbe number of the first lens element is ?1, the Abbe number of the second lens element is ?2 and the Abbe number of the third lens element is ?3 to satisfy 61.119??1+?2+?3?96.733.

Abstract: A reciprocating motor and a reciprocating compressor having a reciprocating motor are provided. The reciprocating motor may include a stator having a magnet coil, provided with an air gap respectively formed at both sides in an axial direction by interposing the magnet coil therebetween; a mover inserted into the stator, reciprocating with respect to the stator as at least one magnet is arranged at any one of the air gaps formed at both sides and a non-magnet is arranged at the other one of the air gaps; and a magnetic resonance spring that resonates the mover with respect to the stator using a force for moving toward low magnetic resistance between the mover and the stator. The reciprocating motor and the reciprocating compressor having a reciprocating motor may be downsized and lightweight, and may obtain high efficiency.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a housing, a display exposed through a portion of the housing, a wireless communication circuit disposed in the housing, a processor disposed in the housing and operatively connected with the display and the wireless communication circuit, and a memory. The processor implements the method, including detecting an approach of a stylus pen in a lock state such that the stylus pen is disposed within a predetermined distance from a surface of the display, and changing the electronic device from the lock state to an unlock state based on at least in part on receiving, through the wireless communication circuit, a wireless signal generated by the stylus pen based on the approach of the stylus pen.

Abstract: An electronic device is provided. The electronic device includes a transparent member comprising a transparent material, a display panel disposed under the transparent member and including a plurality of pixels, a biometric sensor disposed under the display panel, and a filter disposed between the display panel and the biometric sensor and covering the biometric sensor.

Abstract: A method of refining a depth image includes extracting shading information of color pixels from a color image, and refining a depth image corresponding to the color image based on surface normal information of an object included in the shading information.

Abstract: Provided is a display device. The display device includes a display to display an image, a processor to control the display to display a predetermined image, a power supplier to generate a direct current (DC) power by receiving an alternating current (AC) power, and supply the generated DC power to each of the display and the processor, and a sensor to output a sensing signal corresponding to whether the AC power is input, and the display stops an image display operation according to the sensing signal.

Abstract: A speaker module for a mobile device is provided. The speaker module changes a shape of an opening surface of a duct to which a protection member for preventing a foreign substance from entering is attached. The speaker module includes a speaker for outputting a sound signal, a body in which the speaker is mounted, a duct connected to the body for forming a radiation path of a sound signal output from the speaker, and a protection member attached to an opening surface of the duct for preventing a foreign substance from entering the speaker module, wherein the opening surface has an area larger than that of a cross-sectional opening surface formed vertically with respect to a length direction of the duct.

Abstract: Disclosed in the present application is a method for a terminal transmitting an uplink signal in a wireless communication system. Particularly, the method comprises the steps of: receiving, from the base station, allocation information for resource blocks in a wideband and information on precoders indicated in sub-band units; configuring the allocated resource blocks into sub-bands including two or more continuous resource blocks; and transmitting the uplink signal through the sub-bands to the base station by applying the precoders to corresponding sub-bands.

Abstract: A white light emitting device includes a blue LED chip having a dominant emission wavelength of about 440-465 nm, and a phosphor layer configured to be excited by the dominant emission wavelength of the blue LED chip. The phosphor layer includes a first phosphor having a peak emission wavelength of about 480-519 nm, a second phosphor having a peak emission wavelength of about 520-560 nm, and a third phosphor having a peak emission wavelength of about 620-670 nm. The first phosphor and the second phosphor both have a garnet structure as represented by A3B5O12:Ce, A is selected from the group consisting of Y, Lu, and a combination of thereof, and B is selected from the group consisting of Al, Ga, and a combination of thereof.

Abstract: According to an aspect of the present invention, a method for transmitting omnidirectional video is disclosed. The method of transmitting omnidirectional video according to an embodiment of the present invention includes acquiring an image for the omnidirectional video, projecting the image for the omnidirectional video onto a 3D projection structure, packing the image projected onto the 3D projection structure in a 2D frame, encoding the image packed into the 2D frame, and transmitting a data signal containing the encoded image and metadata about the omnidirectional video.

Abstract: A zero padding apparatus and method for fixed length signaling information are disclosed. A zero padding apparatus according to an embodiment of the present invention includes a processor configured to generate a LDPC information bit string by deciding a number of groups whose all bits are to be filled with 0 using a difference between a length of the LDPC information bit string and a length of a BCH-encoded bit string, selecting the groups using a shortening pattern order to fill all the bits of the groups with 0, and filling at least a part of remaining groups, which are not filled with 0, with the BCH-encoded bit string; and memory configured to provide the LDPC information bit string to an LDPC encoder.

Abstract: A monolithic integrated circuit for controlling a high-side switching element for a load using a bootstrap capacitor is disclosed. The integrated circuit comprises a first supply voltage input for receiving a first input supply voltage V1, a second supply voltage input for receiving a second, current-limited input supply voltage VCP, a voltage-sensing input for receiving a source voltage, a first output for providing a drive signal VG to the switching element, a second output for providing a charging signal VBS to a bootstrap capacitor, a pre-driver for generating the drive signal, the pre-driver having a voltage input and an output which is coupled to the first output, and a power supply control section comprising first and second switches. The first and second switches are arranged in series between the first input and the second output, the second input is coupled to a node between the first and second switches, and the second node is coupled to a voltage input of the pre-driver.

Abstract: Disclosed herein are an electronic device and a method of managing a playback rate of a plurality of images using an electronic device. The electronic device may include a display, an image capturing unit configured to obtain a plurality of images, a motion detecting unit configured to detect motion data of at least one region of interest (ROI) in the plurality of images, and a controller configured to determine at least one playback rate for the plurality of images based on the detected motion data and control the display to display the plurality of images based on the at least one playback rate.

Abstract: A clothes treating apparatus is provided. The clothes treating apparatus may include a drum having a locking tab formed by cutting a portion of an outer circumferential surface to be bendable inward towards an interior of the drum, and a balancer having a fastener that protrudes from the outer circumferential surface to hold the locking tab. The locking tab may be configured to be pushed inward towards the interior of the drum in order to be locked in the fastener and to restrict movement of the balancer in a forward or backward direction of the drum as the drum rotates.

Abstract: The present invention provides an optical device including a spectral filter and an optical detection unit for detecting light passing through the spectral filter. A band-limited filter is provided on the path of light.

Abstract: Disclosed are an array substrate and a display device. In some embodiments of the disclosure, at least one multi-access selector arranged proximate to a first non-right-angled edge is segmented into a plurality of sub-units, and the sub-units are arranged in an extension direction of the first non-right-angled edge.

Abstract: Disclosed herein are a three-way authentication apparatus and method in a cloud environment. The three-way authentication method in a cloud environment includes performing, by a control device and a service device, mutual authentication through an IF-1 interface, performing, by the control device and a function server, mutual authentication through an IF-2 interface, requesting, by the control device, the function server to issue an authentication token for authentication between the service device and the function server, and delivering an authentication token issued by the function server to the service device, and performing, by the service device, mutual authentication with the function server using the delivered authentication token through an IF-3 interface.