Abstract: A display device includes a display unit including a pixel which displays an image based on a first power voltage and a data signal, a gamma voltage generator which generates gamma voltages, and a data driver which generates the signal using the gamma voltages and provides the data signal to the pixel. The gamma voltage generator generates first and second reference voltages, generates first and second corrected reference voltages by correcting the first and second reference voltages using a target voltage and an external power voltage provided from the display unit in correspondence with the first power voltage, and generates the gamma voltages by dividing the first and second corrected reference voltages. The gamma voltage generator sets the target voltage based on at least one selected from the first reference voltage, the second reference voltage, and a ground voltage.

Abstract: A portable three-dimensional image measuring device according to various embodiments of the present disclosure may include a light source configured to output patterned light; a camera configured to generate a light field image of an object by receiving reflected light generated by reflecting the patterned light from the object; and an optical path control element configured to reflect the patterned light output from the light source so that the object is irradiated with the patterned light, and to transmit the reflected light reflected from the object so that the reflected light reaches the camera. An optical path of the patterned light output from the light source and irradiated onto the object and an optical path of the reflected light reflected from the object and reaching the camera may overlap coaxially in a section between the optical path control element and the object.

Abstract: The present specification relates to an organic light emitting device including: an anode; a cathode disposed to face the anode; and a light emitting layer disposed between the anode and the cathode, in which the light emitting layer includes: a host including a P-type host and an N-type host, which produce an exciplex; and a phosphorescent dopant, and the host including the P-type host and the N-type host, which produce an exciplex, emits a photoluminescence light with a longer wavelength than a wavelength of each of the P-type host and the N-type host.

Abstract: The present disclosure provides a quantum dot (QD) light emitting diode including: a first electrode; a second electrode facing the first electrode; a QD emitting material layer positioned between the first electrode and the second electrode and including a QD and an organic material; a hole auxiliary layer positioned between the first electrode and the QD emitting material layer; and an electron auxiliary layer positioned between the QD emitting material layer and the second electrode, wherein the organic material has a highest occupied molecular orbital (HOMO) level higher than a material of the hole auxiliary layer.

Abstract: An anode active material for a secondary battery according to an embodiment of the present invention includes a silicon-based active material, and a graphite-based active material including secondary particles in which a plurality of primary particles are assembled. A ratio of an arithmetic average value of perimeters of the secondary particles relative to a volume average particle diameter (D50) of the secondary particles is maintained within a predetermined range.

Abstract: Provided is a compound of Chemical Formula 1: wherein: L11 is a single bond or a substituted or unsubstituted C6-60 arylene; L12 and L13 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; R11 is a substituted or unsubstituted C6-60 aryl; R12 and R13 are each independently any one substituent selected from the group consisting of the following: wherein, each R? is independently a substituted or unsubstituted C6-60 aryl, and R14 and R15 are hydrogen, or are linked to each other, and an organic light emitting device including the same.

Abstract: A surgical handpiece comprises, in the form of a magazine, electronic components composed of a printed circuit board mounted on a hand grip part of the handpiece and various sensor modules provided on the printed circuit board, and the surgical handpiece is easy to maintain since the repair thereof is completed by replacing a magazine. The surgical handpiece comprises a pistol-shaped housing composed of the hand grip and a motor housing integrally formed on the top of the hand grip, wherein the hand grip comprises a grip body and a magazine groove which is formed inside the grip body and into which the magazine-type electronic component module is inserted and mounted.

Abstract: An adaptable door mounting support for acquiring a door gap and for supporting a door slab. The door mounting support comprises a frame member including first and second A-shaped segments interconnected by a rectangular bottom section and together defining a door support channel therebetween, and a tie device configured to meter the door gap and hold the door slab off the ground. A width of the door support channel is equal or larger than a thickness of the door slab. The tie device includes a cable tie extending between the A-shaped segments and across the door support channel, and a locking member attached to the cable tie by sliding over the cable tie. The locking member is slidable over the cable tie in one direction only and is lockable on the cable tie to adjust a distance between the cable tie and the bottom section of the frame member.

Abstract: A method for broadcasting contents and a device using the same are provided. The method for broadcasting contents includes displaying a host content window in which a first content is displayed, and displaying an application window in which a second content is displayed, the second content being provided by an application which is executed in the device, where only the first content among the first content and the second content is broadcast to an external device connected to the device.

Abstract: An optical transceiver including a submount, a Mach-Zehnder Modulator (MZM), bonding wires, and a low pass filter type matching network is provided. The MZM includes an input port and an output port and disposed on the submount. The bonding wires are coupled to the submount and the MZM. The low pass filter type matching network is coupled to the bonding wires and is configured to absorb inductance of the bonding wires at a high frequency.

Abstract: Provided is a compound of Chemical Formula 1: and to an organic light emitting device comprising the same.

Abstract: An object of the present invention is to provide an emergency braking device for an automobile that is capable of preventing a safety-related accident by applying a braking force even when a brake pipe or the like is ruptured. To this end, the emergency braking device for an automobile of the present invention is an emergency braking device for an automobile that is added to an automobile that is braked by a pressure of main brake fluid transferred through a brake pipe when a brake pedal is stepped on and that is instantaneously and automatically switched to an emergency braking device when braking is not performed due to the rupture of the existing (main) brake pipe, or the like. The emergency braking device for an automobile includes a valve unit, an emergency pipe; a pressing part; and a pressure source.

Abstract: Disclosed is a method of manufacturing a secondary battery, the method including: manufacturing a pre-lithiation cell including a negative electrode and a lithium metal counter electrode and pre-lithiating the negative electrode by charging the pre-lithiation cell; separating the pre-lithiated negative electrode from the pre-lithiation cell and manufacturing an electrode assembly including the pre-lithiated negative electrode and a positive electrode; impregnating the electrode assembly with an electrolyte; activating the impregnated electrode assembly by performing a first charging the impregnated electrode assembly; removing gas generated in the activation; discharging the activated electrode assembly immediately after removing the gas; and performing a second charging on the discharged electrode assembly.

Abstract: A method for pre-lithiation of a negative electrode including the steps of: interposing a separator between a lithium ion-supplying metal sheet and a negative electrode to prepare a simple cell; dipping the simple cell in an electrolyte for pre-lithiation; and disposing the simple cell dipped in the electrolyte for pre-lithiation between two polymer pads, and carrying out electrochemical charging, while pressurizing the outside of the two polymer pads, to perform pre-lithiation of the negative electrode. Each of the polymer pads has a thickness of 60% to 90% of a thickness of a corresponding jig of the pair of jigs. A pre-lithiated negative electrode and a lithium secondary battery including the pre-lithiated negative electrode are also disclosed.

Abstract: A method of manufacturing a negative electrode wherein, in the pre-lithiation of a negative electrode structure including a negative electrode active material layer formed therein through electrochemical charging in a roll-to-roll manner, the negative electrode active material layer is divided into a central part and a side part. The charge current applied to the central part is higher than the charge current applied to the side part. In addition, in the method of manufacturing the negative electrode a pre-lithiation section is divided into a first section and a second section, the central part is electrochemically charged in the first section, the side part is electrochemically charged in the second section, and the central part and the side part are alternately electrochemically charged in one or more cycles.

Abstract: A method of manufacturing a negative electrode includes providing a negative electrode roll on which a negative electrode structure including a negative electrode current collector, a first negative electrode active material layer formed on one side of the negative electrode current collector, and a second negative electrode active material layer formed on the other side of the negative electrode current collector is wound, preparing a pre-lithiation bath including an impregnation section and a pre-lithiation section and containing a pre-lithiation solution, unwinding the negative electrode structure, moving the negative electrode structure to the impregnation section, and impregnating the negative electrode structure with the pre-lithiation solution; and pre-lithiating the negative electrode structure by moving the same from the impregnation section to the pre-lithiation section.

Abstract: Secondary batteries including an anode and having improved capacity properties and stability are disclosed. In an aspect, an anode for a secondary battery includes first anode active material particles, each of the first anode active material particles having a single particle structure that includes a core particle and a coating layer formed on a surface of the core particle, and second anode active material particles having an average particle diameter greater than that of the first anode active material particles. A ratio of a weight of the first anode active material particles to a total weight of the first anode active material particles and the second anode active material particles is in a range from 50 wt % to 100 wt %.

Abstract: Secondary batteries including the anode and having improved capacity properties and stability are disclosed. In an aspect, an anode for a secondary battery includes first anode active material particles, each of the first anode active material particles having a single particle structure that includes a core particle and a coating layer formed on a surface of the core particle, and second anode active material particles including a carbon-based material, wherein each of the second anode active material particles includes an assembly of a plurality of sub-particles.

Abstract: A power transmission apparatus of a hybrid electric vehicle includes an input shaft configured of receiving an engine torque, a motor shaft configured of receiving a torque of a motor/generator, first and second planetary gear sets respectively having first to third rotation elements and fourth to sixth rotation elements, a first shaft connected to the first rotation element and selectively connectable to each of the input shaft and the motor shaft, a second shaft fixedly connecting the second and fifth rotation elements, and selectively connectable to the input shaft, the motor shaft, and a transmission housing, respectively, a third shaft fixedly connecting the third and fourth rotation elements and selectively connectable to the transmission housing, a fourth shaft fixedly connecting the sixth rotation element and an output gear, and a plurality of engagement elements including at least one clutch and at least one brake.

Abstract: A power conversion system for autonomous driving and a method for controlling the same, includes a first battery and a second battery; an LDC configured to convert the magnitude of a voltage, output the voltage, and charge the first battery with an output of the LDC; an autonomous driving load electrically connected to the LDC and the first battery and configured to be provided with a power voltage from the LDC or the first battery; and an autonomous driving controller electrically connected to the LDC, the first battery, and the second battery and configured to be provided with a power voltage from one of the LDC, the first battery, or the second battery, wherein the LDC is configured to determine the output of the LDC based on control parameters including the load amount of the autonomous driving load and the state of charging of the first battery and the state of charging of the second battery.