Abstract: A polarizing plate and an optical display apparatus are disclosed. The polarizing plate includes a polarizer; and a retardation layer stack formed on one surface of the polarizer, wherein the retardation layer stack includes a second retardation layer, a first adhesive layer, and a first retardation layer sequentially stacked from the one surface of the polarizer, the first adhesive layer has a modulus of 1×105 Pa to 1×106 Pa at 25° C., and the second retardation layer and the first adhesive layer satisfy Relation 1.

Abstract: The present embodiment relates to a lens driving device including: a first movable element including a bobbin and a first coil; a second movable element including a housing and a first magnet; a base disposed below the housing; a board including a circuit member having a second coil; an upper elastic member; and a support member, wherein the bobbin includes a first stopper and a second stopper, which overlap the second movable element in an optical axis direction and are spaced apart from each other, the housing includes side parts and corner parts formed between the side parts, a first stopper is disposed on the side of the corner parts, the second stopper is disposed on the side of the side parts, and the distance between the first stopper and the second movable element in the optical axis direction is different from the distance between the second stopper and the second movable element in the optical axis direction.

Abstract: A lens driving device having a fixed portion, a mover which is disposed so as to be movable relative to the fixed portion and includes a housing and a holder, and a driving unit for moving the mover. The driving unit includes a first driving unit for moving the holder and a second driving unit for moving the housing, and at least a part of the first driving unit and at least a part of the second driving unit are disposed on a first side of the fixed portion.

Abstract: A camera device having a first bobbin, a second bobbin disposed apart from the first bobbin, a first lens coupled with the first bobbin, a second lens coupled with the second bobbin, a first driving magnet and a first coil configured to move the first bobbin in a first optical axis direction of the first lens, a second driving magnet and a second coil configured to move the second bobbin in a second optical axis direction of the second lens, a first substrate spaced apart from the first bobbin, and a first sensor disposed on the first substrate and configured to sense a position of the first bobbin.

Abstract: A camera module including a first camera module and a second camera module including a second side that faces a first side of the first camera module, wherein the first camera module includes a housing; a bobbin disposed inside the housing; a coil disposed on the bobbin; and a magnet arranged at a side of the housing and facing the coil, wherein the magnet is disposed biased toward a center line of the side of the housing.

Abstract: An embodiment comprises: a lens module; a first optical path change part including an incident surface and an emitting surface, and reflecting light, which is incident onto the incident surface, to emit the light via the emitting surface; and a second optical path change part including a first surface which faces the emitting surface in an optical axial direction of the lens module and a second surface which is an opposite surface to the first surface, wherein, in order to change the path of light emitted via the emitting surface, the first optical path change part is tilted or rotated about a first axis perpendicular to the optical axial direction, and, in order to change the path of light emitted from the second surface, the second optical path change part is tilted or rotated about a second axis perpendicular to the optical axial direction and the first axis.

Abstract: The present embodiment relates to a dual camera module, in which a first lens driving device is spaced apart from and arranged in parallel with a second lens driving device, a first Hall sensor of the first lens driving device is disposed is disposed at a corner portion which is spaced most apart from a second sensing magnet of the second lens driving device, among a plurality of corner portions of a first housing; and a second Hall sensor of the second lens driving device is disposed at a corner portion which is spaced most apart from the first Hall sensor, among a plurality of corner portions of a second housing.

Abstract: A secondary battery includes positive and negative electrode terminals spaced apart on a first face of a hexahedral-shaped battery case, a nonlinear terminal body contacting the first face of the battery case and a side of the battery case extending from the first face of the battery case while enclosing one of the positive or negative electrode terminals, a terminal structure including an extension terminal electrically connected to the one of the positive or negative electrode terminals, and the extension terminal exposed on a side of the terminal structure, wherein the side of the terminal structure is seated in a recessed surface formed in the side of the battery case.

Abstract: A lens moving apparatus is disclosed.

Abstract: A lens driving device according to an embodiment comprises: a bobbin wherein at least one lens is installed inside thereof and a first coil is installed on the outer circumferential surface thereof; a first magnet arranged around the bobbin so as to be opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members coupled with the bobbin and the housing; a first sensor for sensing displacement of the bobbin in the first direction; a second magnet arranged so as to be opposite to the first sensor; a base arranged to be spaced apart from the housing by a certain distance; a second coil arranged so as to be opposite to the first magnet; a circuit board whereon the second coil is installed; a plurality of support members for supporting the housing so as to be movable in the second and third directions which are orthogonal to the first direction with respect to the base and for connecting at least one of the upper and lower elastic members to the circuit board; and a second

Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position.

Abstract: A negative electrode for a lithium secondary battery includes: a negative electrode active layer provided on at least one surface of a negative electrode current collector, and including a negative electrode active material; and a coating layer disposed on the negative electrode active layer. The coating layer contains silicon-containing particles, aluminum-containing particles and a dispersant, and a volume resistance of the coating layer is about 1.0×10?4 ?·cm to 1.0 ?·cm.

Abstract: The present exemplary embodiment relates to a camera module comprising: a housing; a liquid lens disposed in the housing; a magnet disposed in the housing; a base disposed and spaced apart from the housing; a substrate comprising a coil facing the magnet and disposed on the base; a plurality of wires connected to the housing and the substrate; and a connection part connecting the liquid lens and at least one wire of the plurality of wires, wherein the liquid lens and the substrate are electrically connected to each other through the connection part and the at least one wire.

Abstract: The present embodiment relates to a lens driving device comprising: a housing comprising a first hole and a second hole; a first bobbin disposed in the first hole of the housing; a second bobbin disposed in the second hole of the housing; a first coil disposed on the first bobbin; a second coil disposed on the second bobbin; a first magnet disposed in the housing to face the first coil; a second magnet facing the second coil; and a third magnet disposed between the first coil and the second coil.

Abstract: The present embodiment relates to a lens driving device, comprising: a fixed portion; a mover which is disposed so as to be movable relative to the fixed portion and comprises a housing and a holder; and a driving unit for moving the mover, wherein the driving unit comprises a first driving unit for moving the holder and a second driving unit for moving the housing, and at least a part of the first driving unit and at least a part of the second driving unit are disposed on a first side of the fixed portion.

Abstract: A LIDAR device is disclosed. The LiDAR according to one embodiment of the present disclosure may include an optical transmitter for transmitting a laser pulse for detection of an external object, an optical receiver for receiving the laser pulse reflected by the external object, and a controller for controlling the optical transmitter and the optical receiver, wherein the controller may determine whether a first condition or a second condition is met, if the first condition is met, the optical transmitter may transmit a duty cycle of the laser pulse at a first duty cycle under control of the controller, and if the second condition is met, the optical transmitter may increase the duty cycle of the laser pulse to a second duty cycle greater than the first duty cycle under the control of the controller and transmit at the second duty cycle.

Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position.

Abstract: A method for manufacturing a one-piece wheel by forging includes: producing an integral forging comprising: a disc portion, a rim portion, and an annular protrusion protruding from one side of the disc portion in a forging method; producing an outer bend by bending the annular protrusion through a flow-forming process; and forming a hollow portion by welding one end of the outer bend to one side of the rim portion.

Abstract: A lens moving apparatus includes a housing for supporting a first magnet, a bobbin, which includes a first coil provided on an outer surface thereof and which moves in a first direction, a support member, which is disposed over one side surface of the housing, and which supports the bobbin and the housing such that the bobbin and the housing are movable in second and/or third directions, which are perpendicular to the first direction, a second coil, which is disposed over the housing, and which is spaced apart from the support member by a predetermined distance and which generates an electromagnetic force to move the support member in the second and/or third directions, and a printed circuit board disposed over the second coil.

Abstract: An embodiment comprises: a lens module; a first optical path change part including an incident surface and an emitting surface, and reflecting light, which is incident onto the incident surface, to emit the light via the emitting surface; and a second optical path change part including a first surface which faces the emitting surface in an optical axial direction of the lens module and a second surface which is an opposite surface to the first surface, wherein, in order to change the path of light emitted via the emitting surface, the first optical path change part is tilted or rotated about a first axis perpendicular to the optical axial direction, and, in order to change the path of light emitted from the second surface, the second optical path change part is tilted or rotated about a second axis perpendicular to the optical axial direction and the first axis.