Abstract: Provided are a light-emitting driving device package apparatus capable of preventing warping or distortion caused by the difference in thermal expansion coefficient when a sapphire wafer and a silicon wafer are bonded together, a method of manufacturing the same, and a bonding wafer, the light-emitting driving device package apparatus including a light-emitting device made of sapphire material and including a light-emitter for outputting light, and a driving device bonded to the light-emitting device, made of silicon material, and including a driving circuit for applying a driving signal to the light-emitter to drive the light-emitter, wherein thermal deformation prevention holes are formed in at least portions of the light-emitting device or the driving device to prevent warping or distortion caused by a difference in thermal expansion coefficient between sapphire material and silicon material.

Abstract: A button-type secondary battery includes an electrode assembly including a first separator, a negative electrode, a second separator, and a positive electrode that are sequentially stacked and wound, wherein ends of the first separator and the second separator are disposed closer to a center of the wound electrode assembly than ends of the positive electrode and the negative electrode; an electrolyte; and a can in which the electrode assembly and the electrolyte are accommodated. In the electrode assembly, an expansion member is attached to at least one central end of the first separator or the second separator, and the expansion member is expanded by absorbing the electrolyte.

Abstract: The present disclosure relates to a method for training a deep learning model to search for an optimal architecture of a neural network for knowledge distillation. An information about a metadata set related to a first domain is obtained. An information about at least one candidate architecture of a neural network included in a search space using the information about the metadata set is obtained. A performance evaluation information about the at least one candidate architecture is output by inputting the information about the metadata set and the information about the at least one candidate architecture into the deep learning model. The deep learning model is trained through backpropagation to minimize a loss function that is determined on the basis of the performance evaluation information and label information included in the information about the metadata set.

Abstract: Disclosed are a backlight device for a display that provides a backlight for displaying an image and a current control integrated circuit thereof. According to the backlight device and the current control integrated circuit thereof, a driving current can be controlled so as to allow light emitting blocks to maintain light emission for one frame or more, and the luminance of a backlight can be uniformly and precisely controlled in an entire luminance change area.

Abstract: Disclosed are a backlight device for a display that provides a backlight for displaying an image and a current control integrated circuit thereof. According to the backlight device and the current control integrated circuit thereof, a driving current can be controlled so as to allow light emitting blocks to maintain light emission for one frame or more, and the luminance of a backlight can be uniformly and precisely controlled in an entire luminance change area.

Abstract: Proposed are a backlight device for display and a current control integrated circuit therefor, the current control integrated circuit includes a plurality of driving current control units sharing a column signal for backlight and controlling driving currents of a predetermined number of light-emitting diode channels belonging to the same control group, wherein the plurality of the driving current control units receive the column signal for the control group and the zoom control signal in a shared manner and sequentially receive row signals, respectively, and wherein each of the plurality of driving current control units generates the sampling voltage that results from sampling the column signal using the row signal, and controls the driving current for light emission from the light-emitting diode channel using the sampling voltage, thereby enabling a gain for conversion of the driving current by the sampling voltage to be controlled with the zoom control signal.

Abstract: A driving device and a liquid injection device including the same are disclosed. A driving device according to an aspect may include a frame; a rotation shaft rotatably supported by the frame; a rotation driving unit configured to rotate the rotation shaft; a plurality of pinions configured to be spaced apart in the longitudinal direction of the rotation shaft and respectively coupled to the rotation shaft; and a plurality of racks configured to be engaged with the plurality of pinions, respectively and configured to move forward in a direction perpendicular to the longitudinal direction of the rotation shaft, wherein when the rotation shaft rotates, the engagement of the plurality of pinions and the plurality of racks that respectively correspond to each other is sequentially performed.

Abstract: The present disclosure relates to a driving package with an integrated display and a method thereof for using as a display application or a lighting application and may include a display part configured of a plurality of light emitting devices forming a plurality of pixels so that an entire screen or a portion of the screen can be displayed; and a driving part including the display part on one side and a terminal part on another side, driving the light emitting devices.

Abstract: Provided is a flexible display apparatus capable of displaying images when mounted on pillars or curved objects or rolled up, and a method of manufacturing the flexible display apparatus, the flexible display apparatus including a flexible printed circuit board (FPCB) made of a ductile material so as to be freely bent, a wiring layer provided on the FPCB, and a plurality of light-emitting device packages arranged in M rows and N columns on the wiring layer so as to be electrically connected to the wiring layer, wherein each light-emitting device package includes a package substrate, one or more light-emitting devices provided on the package substrate, and a driving device for applying a control signal to the light-emitting devices.

Abstract: The present disclosure relates to a transparent light emitting package and manufacturing method thereof in which a light emitting device and a driving device can be packaged to form one pixel, and may include a substrate; a first wiring layer formed on a first surface of the substrate; at least one light emitting device mounted on a portion of the first wiring layer; at least one driving device mounted on other portion of the first wiring layer driving the light emitting device; a second wiring layer formed on a second surface of the substrate; and a penetrating electrode penetrating at least a portion of the substrate such that the first wiring layer and the second wiring layer are electrically connected.

Abstract: The present disclosure relates to a transparent display apparatus and manufacturing method thereof configured to prevent sharp bending of wiring to increase transparency (aesthetics) and prevent noises according to wiring shapes such as a reflected waveform; and may include a first power wire formed on the light transmitting substrate, which supplies power; and a light emitting part which receives power from the first power wire to emit light; wherein the first power wire may include a first wave pattern part formed by repeatedly connecting a curve-shaped first peak part and a curve-shaped first valley part in an overall wave shape in a length direction to prevent sharp bending.

Abstract: A button-type secondary battery includes: an electrode assembly in which a positive electrode, a separator, and a negative electrode are alternately disposed; a can housing including a bottom part and a sidewall extending upward from a circumference of the bottom part to form an internal space, the electrode assembly being disposed in the internal space; a base plate configured to cover an upper opening of the sidewall and coupled to the can housing; a positive electrode terminal having a rivet shape coupled to a through-hole formed in the sidewall; an insulating gasket configured to insulate the positive electrode terminal and the can housing from each other; a positive electrode tab having one side connected to the positive electrode and the other side connected to the positive electrode terminal; and a negative electrode tab having one side connected to the negative electrode and the other side connected to the sidewall.

Abstract: An apparatus for selecting a sodium-ion battery cathode material using machine learning includes an input data generation unit configured to select candidate materials among a plurality of materials possible to be used as cathode materials for sodium-ion batteries and generate O3 input data and P3 input data respectively for O3 structure materials and P3 structure materials formed depending on structural transition during charge and discharge from each candidate material, and a material classification unit configured to receive the O3 and P3 input data from the input data generation unit and classify the candidate materials depending on stability in a pristine state and desodiated state, respectively, by performing machine learning on data of the plurality of O3 and P3 structure materials using a pristine model and a desodiated model as prediction models.

Abstract: A button-type secondary battery may include: an electrode assembly; a can body housing the electrode assembly; a base plate including a through-hole and covering an opening at an upper end of the can body; an electrode terminal covering the through-hole of the base plate, at least a portion of the electrode terminal being inserted into the through-hole of the base plate; an insulating gasket configured to insulate the electrode terminal and the base plate from each other; and an insulating sheet disposed on a bottom surface of the base plate to insulate the bottom surface of the base plate. The electrode terminal may include: an insertion part inserted into the through-hole; and a terminal plate part extending outward from an upper end of the insertion part and having a plate shape, wherein the insertion part has a diameter that gradually increases in a direction toward the electrode assembly.

Abstract: A button-type secondary battery may include an electrode assembly in which electrodes and separators are wound, a can body housing the electrode assembly, a base plate in which a through-hole is defined and which covers an opening of an upper end of the can body and is bonded to the can body, an electrode terminal of which at least a portion is inserted into the through-hole of the base plate and which covers the through-hole, an insulating gasket configured to insulate the electrode terminal and the base plate from each other, and an insulating sheet disposed on a bottom surface of the base plate to insulate the bottom surface of the base plate, wherein a central hole is defined at a winding center of the electrode assembly, and a protrusion protruding in a direction toward the central hole is disposed on a bottom surface of the electrode terminal.

Abstract: Provided are a light-emitting stacked package having a driving circuit part which can be used for display or lighting, a backlight unit, and a method of fabricating the light-emitting stacked package having a driving circuit part. More particularly, the light-emitting stacked package having a driving circuit part includes a driving circuit part including at least one driving circuit; and a light-emitting element part including at least one light-emitting element seated on and electrically connected to the driving circuit part so as to be supplied with driving power from the driving circuit part.

Abstract: Provided are a light source device and a display apparatus having the same, and more particularly, to a light source device that is capable of controlling light and a display apparatus including the same. A light source device includes a LED chip configured to emit light, a driving controller provided with a control circuit to control driving of the LED chip, and an electrode pad provided on a top surface of the driving controller so that the LED chip is bonded and configured to transmit an electrical signal provided from the driving controller to the LED chip.

Abstract: Proposed are a backlight device for display and a current control integrated circuit therefor, the current control integrated circuit includes a plurality of driving current control units sharing a column signal for backlight and controlling driving currents of a predetermined number of light-emitting diode channels belonging to the same control group, wherein the plurality of the driving current control units receive the column signal for the control group and the zoom control signal in a shared manner and sequentially receive row signals, respectively, and wherein each of the plurality of driving current control units generates the sampling voltage that results from sampling the column signal using the row signal, and controls the driving current for light emission from the light-emitting diode channel using the sampling voltage, thereby enabling a gain for conversion of the driving current by the sampling voltage to be controlled with the zoom control signal.

Abstract: A current control integrated circuit of a backlight device for display includes a buffer configured to receive a column signal; a plurality of driving current controllers configured to receive the column signal outputted from the buffer and row signals corresponding to a plurality of light emitting blocks of a control unit, and control driving currents for light emission of the light emitting blocks, in response to the column signal and the row signals; and a memory unit, wherein an offset voltage of the buffer is controlled by offset correction data stored in the memory unit.

Abstract: A button-type secondary battery includes: a lower can configured to operate as a first electrode terminal; an upper can coupled to the lower can to surround the lower can and configured to operate as a second electrode terminal; and a gasket between the lower can and the upper can. A recessed lower insertion groove and a recessed upper insertion groove are defined in a surface of the lower can and a surface of the upper can, which are in close contact with the gasket, respectively. The lower insertion groove and the upper insertion groove are spaced apart from each other so as not to face each other.