Abstract: A semiconductor module having a double-sided heat dissipation structure according to one aspect of the present invention, which can secure the gap between the first and second heat dissipation substrates without using existing spacers, includes a first heat dissipation substrate and a second heat dissipation substrate arranged to face each other; a guide stack disposed between the first heat dissipation substrate and the second heat dissipation substrate, and having an opening area for mounting a semiconductor die in a pattern; and a semiconductor die mounted within the opening area.

Abstract: A stacked semiconductor module having a double-sided heat dissipation structure according to one aspect of the present invention in which semiconductor dies may be arranged in a stacked structure with a heat dissipation substrate interposed there-between. The heat dissipation substrate includes a first heat dissipation substrate; a second heat dissipation substrate disposed below the first heat dissipation substrate to face the first heat dissipation substrate. The stacked semiconductor module includes a first semiconductor die module mounted between the first heat dissipation substrate and the second heat dissipation substrate; a third heat dissipation substrate disposed below the second heat dissipation substrate to face the second heat dissipation substrate; and a second semiconductor die module mounted between the second heat dissipation substrate and the third heat dissipation substrate.

Abstract: A semiconductor module according to the present disclosure includes a first substrate having a plurality of patterns having two or more different thickness, a first semiconductor device disposed on at least one or more patterns, a second substrate having a plurality of patterns having two or more different thickness. One or more of the plurality of patterns of the second substrate is placed on the first semiconductor device, a first terminal pattern and a second terminal pattern, each disposed between the first substrate and the second substrate, the first terminal pattern comprises a first upper terminal pattern and a first lower terminal pattern, and the second terminal pattern comprises a second upper terminal pattern and a second lower terminal pattern, and a conductive frame coupled to at least one of the first and the second terminal patterns.

Abstract: A semiconductor module according to the present disclosure includes a circuit board having a first surface and a second surface, a first semiconductor device mounted on the first surface of the circuit board, a second semiconductor device mounted on the second surface of the circuit board, a first heat dissipation substrate placed on the top of the first semiconductor device, and a second heat dissipation substrate placed on the top of the second semiconductor device. The first heat dissipation substrate is coupled to a second surface of the first semiconductor device and the second heat dissipation substrate is coupled to a second surface of the second semiconductor device.

Abstract: A wireless battery management system, a manager node for the same, and a channel operating method, which operate a channel so as to stably support wireless communication in the wireless battery management system, are provided. The wireless battery management system includes a manager node and a monitor node. The manager node establishes a first network being a short-range wireless network by using at least one of a first channel and a second channel, and when a second network using the same communication channel and modulation method as a communication channel and a modulation method of the first network is detected, changing the first channel to a third channel and changing the second channel to a fourth channel.

Abstract: The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.

Abstract: The present disclosure provides a power semiconductor module in which a lead frame paddle is extended to form a source lead, a source electrode of a power semiconductor die is electrically connected to the lead frame paddle, a drain electrode is insulated from the lead frame paddle, and a part of the lead frame paddle is exposed to the outside of a mold.

Abstract: The present disclosure relates to a power semiconductor module of which heat is dissipated by its both sides and provides a power semiconductor module technology in which a mold is formed in a surrounding space of a power semiconductor die, and then, wires are formed on upper and lower sides of the power semiconductor die and substrates are disposed on upper and lower sides of the wires.

Abstract: The present disclosure relates to a technology relating to a power semiconductor module of which heat is dissipated through both sides thereof and provides a technology for maintaining a distance between an upper substrate and a lower substrate by a metal bump formed on one side of a power semiconductor die.

Abstract: Disclosed are a wireless battery management system, a node for wireless communication, and a method of assigning slot, which respectively assign dedicated slots having different time intervals to monitor nodes to support smooth and stable communication between the monitor nodes and a manager node. The wireless battery management system includes a manager node checking number of monitor nodes joining in a short-range wireless network for battery management, dividing a transmission slot, assigned for data transmission, by the number of monitor nodes to generate a plurality of dedicated slots, and respectively assigning the plurality of dedicated slots to the monitor nodes and a monitor node collecting battery data and transmitting the collected battery data to the manager node during an assigned dedicated slot.

Abstract: The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.

Abstract: The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.

Abstract: A wireless battery management system, a manager node for the same, and a channel operating method, which operate a channel so as to stably support wireless communication in the wireless battery management system, are provided. The wireless battery management system includes a manager node and a monitor node. The manager node establishes a first network being a short-range wireless network by using at least one of a first channel and a second channel, and when a second network using the same communication channel and modulation method as a communication channel and a modulation method of the first network is detected, changing the first channel to a third channel and changing the second channel to a fourth channel.

Abstract: Disclosed are a wireless battery management system, a node for wireless communication, and a method of assigning slot, which respectively assign dedicated slots having different time intervals to monitor nodes to support smooth and stable communication between the monitor nodes and a manager node. The wireless battery management system includes a manager node checking number of monitor nodes joining in a short-range wireless network for battery management, dividing a transmission slot, assigned for data transmission, by the number of monitor nodes to generate a plurality of dedicated slots, and respectively assigning the plurality of dedicated slots to the monitor nodes and a monitor node collecting battery data and transmitting the collected battery data to the manager node during an assigned dedicated slot.

Abstract: The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.

Abstract: The disclosure relates to a board on which a user rides and enjoys riding for exercise and leisure purposes and, more particularly, to a reflective light-emitting board which allows various decorations for enjoyment and safety at night. The disclosure includes a transparent plate (100) having a form of plate and including reflective holes (110) formed therein, and light-emitting elements (10) for irradiating the plate (100), wherein light emitted from the light-emitting elements (10) are reflected by the reflective holes (110) thus providing the board with a visually attractive appearance.

Abstract: A snowboard according to the disclosure includes a deck body (A) having a panel-type effective edge part (100) and nose and tail sections 200 respectively extending at an upwardly inclined angle from opposite sides of the effective edge part (100), wherein the deck body (A) is detachably provided with a plurality of laminated deck plates including at least a transparent deck plate, with an LED (50) disposed therein, such that the deck plates and the LED are able to be easily replaced, and wherein the nose and tail sections (200) have internal spaces (S) for diffusing light from the LED.

Abstract: The disclosure relates to a board on which a user rides and enjoys riding for exercise and leisure purposes and, more particularly, to a reflective light-emitting board which allows various decorations for enjoyment and safety at night. The disclosure includes a transparent plate (100) having a form of plate and including reflective holes (110) formed therein, and light-emitting elements (10) for irradiating the plate (100), wherein light emitted from the light-emitting elements (10) are reflected by the reflective holes (110) thus providing the board with a visually attractive appearance.