Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.

Abstract: Methods and systems for executing tracking and monitoring manufacturing data of a battery are disclosed. One method includes: receiving, by a server system, sensing data of the battery from a sensing system; generating, by the server system, mapping data based on the sensing data; generating, by the server system, identification data of the battery based on the sensing data; generating, by the server system, monitoring data of the battery based on the sensing data, the identification data, and the mapping data; and generating, by the server system, display data for displaying a simulated electrode of the battery on a graphical user interface based on the monitoring data of the battery.

Abstract: Methods, systems, and media for presenting media content in response to a channel change request are provided. In some implementations, methods for presenting media content in response to a channel change request are provided, the methods comprising: causing media content provided on a first channel to be presented in a first display area on a first screen; receiving, at a hardware processor, a request to switch to a second channel; in response to receiving the request to switch to the second channel, causing thumbnail content corresponding to the second channel to be presented in the first display area; determining whether media content provided on the second channel is ready for presentation; and in response to determining that the media content provided on the second channel is ready for presentation, causing the media content provided on the second channel to be presented in the first display area.

Abstract: A compression release type engine brake includes a first opening unit and a second opening unit each including an exhaust rocker arm, an adjusting screw provided at an end portion of the exhaust rocker arm, a brake module in which brake oil is selectively and a brake piston mount portion is formed therein, a brake piston which is selectively protruded according to the oil supply inside the brake module, a reset member selectively exhausting the oil in the brake module, and a valve bridge connected to the brake piston and provided with an exhaust valve, and wherein a rocker arm protrusion is formed in the exhaust rocker arm of at least one of the first opening unit and the second opening unit, and the shaft spring presses the rocker arm protrusion and adjusts a distance between the first opening unit and the second opening unit.

Abstract: A compression release type engine brake includes a first opening unit and a second opening unit each including an exhaust rocker arm, an adjusting screw provided at an end portion of the exhaust rocker arm, a brake module in which brake oil is selectively and a brake piston mount portion is formed therein, a brake piston which is selectively protruded according to the oil supply inside the brake module, a reset member selectively exhausting the oil in the brake module, and a valve bridge connected to the brake piston and provided with an exhaust valve, and wherein a rocker arm protrusion is formed in the exhaust rocker arm of at least one of the first opening unit and the second opening unit, and the shaft spring presses the rocker arm protrusion and adjusts a distance between the first opening unit and the second opening unit.

Abstract: A compression-release engine brake for opening an exhaust valve at an end of a compression stroke for performing braking function includes: an exhaust rocker arm, a valve bridge that is connected to a pair of exhaust valves, and of which a pair of rotation preventers protruded outward are formed the valve bridge, a socket module includes a housing in which a first space where the engine brake oil flows in and a second space where the engine brake oil is exhausted and a reset valve is disposed are formed, and the socket module whose length become longer relatively according to the inflow of the engine brake oil, and a reset guide module selectively pushing the reset valve to exhaust the engine brake oil inside the housing.

Abstract: A compression release type engine brake includes an exhaust rocker arm including a roller which is mounted at one end portion thereof, and the exhaust rocker arm rotating around a rocker arm shaft by the rotation of the exhaust cam, a valve bridge disposed on the other end portion of the exhaust rocker arm and connected to an exhaust valve, a brake module mounted between the exhaust rocker arm and the valve bridge, contacting with the roller and the brake cam lobe according to inflow of selectively supplied operation oil to open the exhaust valve by the exhaust cam, and the brake module including a reset valve closing operation oil inside therein, and a reset piston slidably mounted on the second end portion of the exhaust rocker arm and protruding out of the second end portion of the exhaust rocker arm according to the supply of reset oil to push the reset valve to expel the operation oil in the brake module outwards.

Abstract: A compression release type engine brake includes an exhaust rocker arm including a roller which is mounted at one end portion thereof, and the exhaust rocker arm rotating around a rocker arm shaft by the rotation of the exhaust cam, a valve bridge disposed on the other end portion of the exhaust rocker arm and connected to an exhaust valve, a brake module mounted between the exhaust rocker arm and the valve bridge, contacting with the roller and the brake cam lobe according to inflow of selectively supplied operation oil to open the exhaust valve by the exhaust cam, and the brake module including a reset valve closing operation oil inside therein, and a reset piston slidably mounted on the second end portion of the exhaust rocker arm and protruding out of the second end portion of the exhaust rocker arm according to the supply of reset oil to push the reset valve to expel the operation oil in the brake module outwards.

Abstract: A socket module for a compression release engine brake is provided between an exhaust rocker arm rotating with respect to a rocker arm shaft and a valve bridge in contact with an exhaust valve of an engine. In particular, the socket module includes: a housing which includes an inlet through which brake oil is introduced, a brake piston mounting portion, and a reset member mounting portion communicated with the brake piston mounting portion; a brake piston that is provided to be movable in the brake piston mounting portion; and a reset member that is provided in the reset member mounting portion and that discharges brake oil by selectively contacting a push pin coupled to an upper portion of a cylinder head of the engine.

Abstract: A compression release type of engine brake socket module is provided between an exhaust rocker arm rotating with respect to a rocker arm shaft and a valve bridge connecting an exhaust valve of an engine. In particular the socket module incudes: a housing which includes an inlet through which brake oil is introduced, a brake piston mounting portion, and a reset member mounting portion communicating with the brake piston mounting portion; a brake piston that is provided to be movable in the brake piston mounting portion; a stopper disposed on one side of an inner space of the housing to limit a moving position of the brake piston; and a reset member that is provided in the reset member mounting portion, and that discharges the brake oil by selectively contacting a push pin coupled to an upper portion of a cylinder head.

Abstract: A hydraulic type scissors gear removes factors that generate a backlash due to reduction of tension of existing springs by generating a relative motion between gears using oil pressure. The hydraulic type scissors gear includes: a first gear having an operation chamber and supplied with oil in the operation chamber; a second gear coaxially disposed on a side of the first gear to be rotate relative to the first gear; and a piston configured to rotate the second gear by applying force that pushes the second gear in a rotational direction opposite to a rotational direction of the first gear by being moved in the operation chamber by oil pressure supplied to the operation chamber.

Abstract: A compression-release engine brake for opening an exhaust valve at an end of a compression stroke for performing braking function includes: an exhaust rocker arm, a valve bridge that is connected to a pair of exhaust valves, and of which a pair of rotation preventers protruded outward are formed the valve bridge, a socket module includes a housing in which a first space where the engine brake oil flows in and a second space where the engine brake oil is exhausted and a reset valve is disposed are formed, and the socket module whose length become longer relatively according to the inflow of the engine brake oil, and a reset guide module selectively pushing the reset valve to exhaust the engine brake oil inside the housing.

Abstract: A compression release type of engine brake socket module is provided between an exhaust rocker arm rotating with respect to a rocker arm shaft and a valve bridge connecting an exhaust valve of an engine. In particular the socket module incudes: a housing which includes an inlet through which brake oil is introduced, a brake piston mounting portion, and a reset member mounting portion communicating with the brake piston mounting portion; a brake piston that is provided to be movable in the brake piston mounting portion; a stopper disposed on one side of an inner space of the housing to limit a moving position of the brake piston; and a reset member that is provided in the reset member mounting portion, and that discharges the brake oil by selectively contacting a push pin coupled to an upper portion of a cylinder head.

Abstract: A socket module for a compression release engine brake is provided between an exhaust rocker arm rotating with respect to a rocker arm shaft and a valve bridge in contact with an exhaust valve of an engine. In particular, the socket module includes: a housing which includes an inlet through which brake oil is introduced, a brake piston mounting portion, and a reset member mounting portion communicated with the brake piston mounting portion; a brake piston that is provided to be movable in the brake piston mounting portion; and a reset member that is provided in the reset member mounting portion and that discharges brake oil by selectively contacting a push pin coupled to an upper portion of a cylinder head of the engine.

Abstract: An anti-backlash structure for a scissors gear is provided including a scissors gear and a cam gear which are coaxially connected to rotate relative to each other, an end piece which has one side which is press-fitted into a cam shaft so that the end piece rotates together with the cam shaft, the other side which is in surface-to-surface contact with the scissors gear, and a circumferential surface with which the cam gear is press-fitted; a bolt which is coupled to an inner diameter portion of the scissors gear, penetrates the end piece, and is inserted into the cam shaft; and a scissors spring which has one side coupled to the end piece, and the other side coupled to the bolt. When the end piece rotates, the scissors spring rotates the scissors gear relative to the cam gear through the bolt and allows the scissors gear to come into close contact with the cam gear.

Abstract: A hydraulic type scissors gear removes factors that generate a backlash due to reduction of tension of existing springs by generating a relative motion between gears using oil pressure. The hydraulic type scissors gear includes: a first gear having an operation chamber and supplied with oil in the operation chamber; a second gear coaxially disposed on a side of the first gear to be rotate relative to the first gear; and a piston configured to rotate the second gear by applying force that pushes the second gear in a rotational direction opposite to a rotational direction of the first gear by being moved in the operation chamber by oil pressure supplied to the operation chamber.

Abstract: A hydraulic type scissors gear may include a first gear having a working chamber formed therein and oil supplied into the working chamber; a second gear provided to be relatively rotatable coaxially with a side surface of the first gear; and a piston supplied with the oil supplied into the working chamber, and moved in the working chamber by pressure of the oil supplied thereinto to apply a force that pushes the second gear in a rotation direction opposite to a rotation direction of the first gear to rotate the second gear.

Abstract: An anti-backlash structure for a scissors gear is provided including a scissors gear and a cam gear which are coaxially connected to rotate relative to each other, an end piece which has one side which is press-fitted into a cam shaft so that the end piece rotates together with the cam shaft, the other side which is in surface-to-surface contact with the scissors gear, and a circumferential surface with which the cam gear is press-fitted; a bolt which is coupled to an inner diameter portion of the scissors gear, penetrates the end piece, and is inserted into the cam shaft; and a scissors spring which has one side coupled to the end piece, and the other side coupled to the bolt. When the end piece rotates, the scissors spring rotates the scissors gear relative to the cam gear through the bolt and allows the scissors gear to come into close contact with the cam gear.

Abstract: A camshaft unit for a vehicle includes: a cam gear shaft-coupled to one end of a camshaft; a scissors gear provided at one side of the cam gear while having the camshaft as a concentric axis and relatively rotated with respect to the cam gear; a coil spring provided between the cam gear and the scissors gear, having one end fixed to one side surface of the cam gear and the other end fixed to the other side surface of the scissors gear; and a snap ring installed in a groove formed in one side surface of the scissors gear and inhibiting separation of the scissors gear in an axial direction. In particular, the coil spring transfers a torque of the cam gear to the scissors gear while being elastically restored depending on rotation of the cam gear.

Abstract: A valve switching apparatus includes a rocker arm coming into contact with a cam to open and close a valve along with a rotation of the cam, and an eccentric generation means provided to the rocker arm so as to allow an eccentric position to be changed by rotation thereof.