Abstract: The present invention relates to a positive electrode active material, in which primary particles included in a secondary particle exhibit an aspect ratio gradient which gradually increases from the center of the secondary particle to the surface thereof, and a lithium secondary battery which uses a positive electrode containing the positive electrode active material.

Abstract: A polymeric hollow fiber membrane is provided having a crosslinked selective layer formed by sequentially performing coating of a polymer precursor on a crosslinked polymeric hollow fiber membrane support and thermal condensation and thermal crosslinking thereof, a carbon molecular sieve hollow fiber membrane, methods for producing the same, and methods of separating gases using the same. The polymeric hollow fiber membrane and the carbon molecular sieve hollow fiber membrane each have a thin crosslinked selective layer and excellent plasticization resistance and separation performance. Accordingly, the polymeric hollow fiber membrane and the carbon molecular sieve hollow fiber membrane, each of which has a thin crosslinked selective layer, can be effectively used in the separation of a mixed gas.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a bimodal-type positive electrode active material including a first lithium composite oxide, which is a small particle, and a second lithium composite oxide, which is a large particle, these particles having different particle diameters, wherein the positive electrode active material makes it possible to prevent deterioration in electrochemical properties and stability thereof, which are generated due to non-uniform formation of a coating layer at least partially coating surfaces of the small and large particles, a positive electrode including the positive electrode active material, and a lithium secondary battery using the same.

Abstract: A sandwich panel for an automobile includes a core layer, a surface layer, and an adhesive layer. The core layer includes glass fibers and thermoplastic resins and defines an optimal weight and thickness to provide flexural performance and non-flammability. The sandwich panel provides a flame barrier layer, which is a non-combustible layer during ignition and prevents flame from leaking to the outside of the panel.

Abstract: An electronic device includes a housing having a first face that faces a first direction and a second face that faces a second direction which is opposite the first face, in which the first face is formed to have an at least partially transparent portion and at least one opening formed adjacent to the at least partially transparent portion; a camera located within the housing and including an image sensor that faces the first direction through the at least partially transparent portion in the housing; an acoustic component structure including a space that is at least partially formed between the camera and the second face of the housing and connected to the at least one opening, and at least one vibrating structure that is located in the space and is movable in the first direction or the second direction to generate sound; a circuit that is located within the housing and is electrically connected to the acoustic component structure to provide a sound-associated signal to the acoustic component structure; and

Abstract: A camera lens assembly includes: a lens holder unit to which a lens module is mounted; a wire member fixed to the lens holder unit and the lens module, and resiliently supporting the lens module such that the lens module is driven in an optical axis direction; and a fixing member mounted to the lens holder unit to fix the wire member and dampen an impact generated in the wire member due to an impact generated in a direction perpendicular to the optical axis direction. Also, a camera lens assembly can include: a wire module resiliently supporting a lens module such that the lens module is movable in an optical axis direction on a lens holder unit, dampening an impact generated in a direction perpendicular to the optical axis direction, and transferring a current applied to drive the lens module to a circuit board.

Abstract: A dual lens assembly is disclosed herein, including a plurality of lens group units disposed as to face a same direction, a plurality of driving modules provided respectively on first side surfaces of each of the plurality of lens group units to move each of the plurality of lens group units along a direction of a respective optical axis of each of the plurality of lens group units, or move each of the plurality of lens group units along a direction perpendicular to the respective optical axis of each of the plurality of lens group units, and a housing at least partially enclosing at least some of the plurality of lens group units and the plurality of driving modules.

Abstract: An electronic device includes a housing having a first face that faces a first direction and a second face that faces a second direction which is opposite the first face, in which the first face is formed to have an at least partially transparent portion and at least one opening formed adjacent to the at least partially transparent portion; a camera located within the housing and including an image sensor that faces the first direction through the at least partially transparent portion in the housing; an acoustic component structure including a space that is at least partially formed between the camera and the second face of the housing and connected to the at least one opening, and at least one vibrating structure that is located in the space and is movable in the first direction or the second direction to generate sound; a circuit that is located within the housing and is electrically connected to the acoustic component structure to provide a sound-associated signal to the acoustic component structure; and

Abstract: A dual lens assembly is disclosed herein, including a plurality of lens group units disposed as to face a same direction, a plurality of driving modules provided respectively on first side surfaces of each of the plurality of lens group units to move each of the plurality of lens group units along a direction of a respective optical axis of each of the plurality of lens group units, or move each of the plurality of lens group units along a direction perpendicular to the respective optical axis of each of the plurality of lens group units, and a housing at least partially enclosing at least some of the plurality of lens group units and the plurality of driving modules.

Abstract: A camera lens assembly includes: a lens holder unit to which a lens module is mounted; a wire member fixed to the lens holder unit and the lens module, and resiliently supporting the lens module such that the lens module is driven in an optical axis direction; and a fixing member mounted to the lens holder unit to fix the wire member and dampen an impact generated in the wire member due to an impact generated in a direction perpendicular to the optical axis direction. Also, a camera lens assembly can include: a wire module resiliently supporting a lens module such that the lens module is movable in an optical axis direction on a lens holder unit, dampening an impact generated in a direction perpendicular to the optical axis direction, and transferring a current applied to drive the lens module to a circuit board.

Abstract: A camera lens assembly is provided. The camera lens includes a movable Auto Focusing (AF) unit configured to move back and forth in a direction of an optical axis of an image sensor, and a movable Optical Image Stabilization (OIS) unit installed on the movable AF unit and configured to move back and forth in the direction of the optical axis together with the movable AF unit. The movable OIS unit floats in a direction orthogonal to the optical axis on the movable AF unit. The camera lens assembly simplifies the construction while implementing both the auto focus function and the optical image stabilization function. As a result, the camera lens assembly is advantageous for miniaturization and may improve reliability.

Abstract: A camera lens assembly includes: a lens holder unit to which a lens module is mounted; a wire member fixed to the lens holder unit and the lens module, and resiliently supporting the lens module such that the lens module is driven in an optical axis direction; and a fixing member mounted to the lens holder unit to fix the wire member and dampen an impact generated in the wire member due to an impact generated in a direction perpendicular to the optical axis direction. Also, a camera lens assembly can include: a wire module resiliently supporting a lens module such that the lens module is movable in an optical axis direction on a lens holder unit, dampening an impact generated in a direction perpendicular to the optical axis direction, and transferring a current applied to drive the lens module to a circuit board.

Abstract: A camera lens assembly is provided. The camera lens includes a movable Auto Focusing (AF) unit configured to move back and forth in a direction of an optical axis of an image sensor, and a movable Optical Image Stabilization (OIS) unit installed on the movable AF unit and configured to move back and forth in the direction of the optical axis together with the movable AF unit. The movable OIS unit floats in a direction orthogonal to the optical axis on the movable AF unit. The camera lens assembly simplifies the construction while implementing both the auto focus function and the optical image stabilization function. As a result, the camera lens assembly is advantageous for miniaturization and may improve reliability.

Abstract: A camera lens assembly includes: a lens holder unit to which a lens module is mounted; a wire member fixed to the lens holder unit and the lens module, and resiliently supporting the lens module such that the lens module is driven in an optical axis direction; and a fixing member mounted to the lens holder unit to fix the wire member and dampen an impact generated in the wire member due to an impact generated in a direction perpendicular to the optical axis direction. Also, a camera lens assembly can include: a wire module resiliently supporting a lens module such that the lens module is movable in an optical axis direction on a lens holder unit, dampening an impact generated in a direction perpendicular to the optical axis direction, and transferring a current applied to drive the lens module to a circuit board.

Abstract: Provided is a lens fabrication method including filling liquid-phase resin in a first mold, primarily hardening the liquid-phase resin by heating the liquid-phase resin, secondarily hardening the primarily-hardened resin by irradiating Ultraviolet (UV) rays to the primarily-hardened resin to form a lens, and separating the lens from the first mold.

Abstract: A camera lens module is provided, in which a lens housing has at least one lens, a main frame contains the lens housing along an optical axis, a support portion is engaged with the lens housing and with the main frame to be rotatable along the optical axis, a cover is engaged with the main frame, for keeping the lens housing contained in the main frame, and a control member is engaged with the cover, for moving the support portion along the optical axis.

Abstract: Provided is a method for focusing a camera lens assembly, the focusing method including assembling a lens and a camera device; measuring an actual distance between the lens and the camera device in an assembled position; inputting a difference of the actual distance from a focal length of the lens; and when power is applied to the camera lens assembly, adjusting a distance between the lens and the camera device according to the offset value, such that the distance between the lens and the camera device becomes equal to the focal length of the lens.

Abstract: Provided is a method for focusing a camera lens assembly, the focusing method including assembling a lens and a camera device; measuring an actual distance between the lens and the camera device in an assembled position; inputting a difference of the actual distance from a focal length of the lens; and when power is applied to the camera lens assembly, adjusting a distance between the lens and the camera device according to the offset value, such that the distance between the lens and the camera device becomes equal to the focal length of the lens.

Abstract: A camera lens module is provided, in which a lens housing has at least one lens, a main frame contains the lens housing along an optical axis, a support portion is engaged with the lens housing and with the main frame to be rotatable along the optical axis, a cover is engaged with the main frame, for keeping the lens housing contained in the main frame, and a control member is engaged with the cover, for moving the support portion along the optical axis.

Abstract: An input apparatus includes: a light waveguide having a slanted lower surface; a light source for emitting rays in a direction to the light waveguide, the light source facing the lower slanted surface of the light waveguide; and an image sensor, disposed at one side surface of the light waveguide to face the light waveguide, and having a plurality of pixels for detecting rays guided through the light waveguide.