Abstract: A display device includes: a substrate; a polycrystalline silicon film on the substrate; and a first buffer film between the substrate and the polycrystalline silicon film and having one surface contacting the polycrystalline silicon film and another surface opposite to the one surface, wherein the one surface of the first buffer film has a first root mean square (RMS) roughness range, and the first RMS roughness range is 1.5 nm or less.

Abstract: The apparatus for validating various kinds of data and a digital twin operation includes a validation target data selector configured to select a target to be validated among various kinds of input data, a data validator configured to validate individual data for each type of data selected for validation, and a data linkage validator configured to validate various kinds of multiple data by linking the various kinds of multiple data in order to detect an error in a process of linking the various kinds of multiple data.

Abstract: Systems and methods are provided for AI-based inbound plan generation. Systems and methods include predicting, using a model, available storage associated with a first fulfillment center; predicting a demand capacity associated with the first fulfillment center; using the predicted available storage and the predicted demand capacity, calculating an excess demand quantity; determining one or more fungible capacity types associated with the excess demand quantity; determining available fungible capacity type quantities in at least one fulfillment center; using the one or more fungible capacity types associated with the excess demand quantity and the available fungible capacity type quantities in at least one fulfillment center, generate an inbound plan for the first fulfillment center; receive a notification of one or more incoming products; and distribute the one or more incoming products according to the generated inbound plan.

Abstract: A multimedia reproduction device including: a drive module that is configured to drive a storage medium and that includes a front-end part that processes data read from the storage medium, a back-end module including an audio unit and a video unit that is configured to reproduce audio/video (AV) signals output from the drive module; and a housing that is configured to accommodate the drive module and the back-end module.

Abstract: Provided is an optical disc drive that may prevent an optical disc from dropping during an unclamping operation. The optical disc drive includes a main frame to support the optical disc drive and a disc tray in which the optical disc is disposed, and one or more stopper mechanisms to prevent the optical disc disposed on the disc tray from dropping.

Abstract: A multimedia device including a back-end substrate that includes a heat source and a reproducing unit that is configured to reproduce an audio and/or a video signal based on data read from a storage medium, a housing that accommodates a back-end substrate and comprises an upper cover and a lower base which are respectively disposed above and under the back-end substrate, and a heat-dissipating structure that is formed on at least one of the upper cover and the lower base and contacts a side of the back-end substrate, a support post formed on the lower cover that is configured to support a lower surface of the back-end substrate, and a push post that is configured to position an upper edge of the back-end substrate with respect post the support post.

Abstract: Provided is an optical disc drive having a tray to receive a disc. The tray includes a hollow portion having a bottom corresponding to the disc and a wall surrounding a portion of the bottom, and a plurality of supporting portions formed on the bottom of the hollow portion to locally support a bottom surface of the disc.

Abstract: A pickup damper is provided. The pickup damper is configured to be installed adjacent to a plurality of guide shafts installed on opposite sides of an opening of a base chassis, configured to collide with a pickup and relieve shock via at least three steps in response to an external shock being applied, and configured to prevent the pickup from colliding with the guide shafts to protect the pickup.

Abstract: A flexible cable is provided. The flexible cable includes a base film having a band shape, a plurality of wiring layers disposed on the base film and extending in one direction, and a plurality of elasticity-adjusting patterns attached to a portion of the base film and partially adjusting the elasticity of the flexible cable.

Abstract: A multimedia reproduction device including: a drive module that is configured to drive a storage medium and that includes a front-end part that processes data read from the storage medium, a back-end module including an audio unit and a video unit that is configured to reproduce audio/video (AV) signals output from the drive module; and a housing that is configured to accommodate the drive module and the back-end module.

Abstract: A flexible cable is provided. The flexible cable includes a base film having a band shape, a plurality of wiring layers disposed on the base film and extending in one direction, and a plurality of elasticity-adjusting patterns attached to a portion of the base film and partially adjusting the elasticity of the flexible cable.

Abstract: A pickup damper is provided. The pickup damper is configured to be installed adjacent to a plurality of guide shafts installed on opposite sides of an opening of a base chassis, configured to collide with a pickup and relieve shock via at least three steps in response to an external shock being applied, and configured to prevent the pickup from colliding with the guide shafts to protect the pickup.

Abstract: A multimedia device including a back-end substrate that includes a heat source and a reproducing unit that is configured to reproduce an audio and/or a video signal based on data read from a storage medium, a housing that accommodates a back-end substrate and comprises an upper cover and a lower base which are respectively disposed above and under the back-end substrate, and a heat-dissipating structure that is formed on at least one of the upper cover and the lower base and contacts a side of the back-end substrate, a support post formed on the lower cover that is configured to support a lower surface of the back-end substrate, and a push post that is configured to position an upper edge of the back-end substrate with respect post the support post.

Abstract: An electronic device is provided. The electronic device includes an substrate on which a heat source is mounted, a housing that accommodates the substrate and comprises an upper cover and a lower base disposed above and below the substrate, respectively, and a heat-dissipating structure that is formed in the upper cover, the lower base, or a combination thereof and contacts a side of the substrate.

Abstract: Provided is an optical disc drive having a tray to receive a disc. The tray includes a hollow portion having a bottom corresponding to the disc and a wall surrounding a portion of the bottom, and a plurality of supporting portions formed on the bottom of the hollow portion to locally support a bottom surface of the disc.

Abstract: A tray mechanism and a disk drive employing the tray mechanism. The tray mechanism includes a driving member rotatably coupled to a spindle motor; a pinion meshed with a rack provided at a surface of a tray to load the tray onto and unload the tray from a main frame; a pivotable plate pivotally provided at a shaft of the driving member, and having a connector which couples the driving member and the rack; and a limiting member provided on the main frame for limiting a pivotal range of the pivotable plate.

Abstract: A damper and a disk drive using the clamper. The damper includes a body, a movable member inserted into a guide portion protruding from a center of the body so that the movable member is moved up and down along the guide portion, and having a plurality of opposed bosses, an elastic member, inserted into the guide portion under the movable member, for elastically biasing the movable member upward, and a stationary member, installed on an upper portion of the guide portion, for preventing the movable member from being released from the guide portion.

Abstract: An optical disc drive includes a main body at which a spindle motor is installed. A tray installed at the main body is loadable/unloadable into/from the main body, and a disc holder is rotatable by the spindle motor when the tray is in a loaded position, and is joinable to a clamping hole of a disc so as to fix the disc.

Abstract: A damper and a disk drive using the clamper. The damper includes a body, a movable member inserted into a guide portion protruding from a center of the body so that the movable member is moved up and down along the guide portion, and having a plurality of opposed bosses, an elastic member, inserted into the guide portion under the movable member, for elastically biasing the movable member upward, and a stationary member, installed on an upper portion of the guide portion, for preventing the movable member from being released from the guide portion.

Abstract: A disc clamping apparatus that clamps a disc onto a turntable rotated by a spindle motor and an optical disc drive adopting the same. The disc clamping apparatus includes a disc clamping apparatus to clamp a disc onto a turntable rotated by a spindle motor in an optical disc drive, the disc clamping apparatus comprising a plurality of grooves formed along an outer circumference of a hub provided on a center portion of the turntable; a plurality of balls inserted into the plurality of grooves to move toward outsides of the grooves due to a centrifugal force caused by rotation of turntable so as to pressurize the disc. A cover member may be combined with an upper part of the hub to prevent the balls from being separated from the grooves.