Abstract: An antenna package that contains a substrate, an antenna containing one or more antenna elements positioned adjacent to a first side of the substrate. The antenna is configured to transmit and/or receive wireless communications at a millimeter wave frequency, and the antenna is electrically coupled to a semiconductor device through the substrate. The substrate comprises a polymer composition, wherein the polymer composition includes a polymer matrix containing a thermotropic liquid crystalline polymer, wherein the polymer composition exhibits a dissipation factor of about 0.1 or less as determined at a frequency of 17 GHz and a dielectric constant of about 4 more as determined at a frequency of 17 GHz.

Abstract: A cooling member located in an upper part of a battery cell stack in which a plurality of battery cells are stacked includes an upper plate, a lower plate, and a coolant incorporated in an inner space between the upper plate and the lower plate. The lower plate includes a first part in which a fragile part is formed, and a second part in which the fragile part is not formed. A thickness value of the first part is smaller than a thickness value of the second part.

Abstract: Proposed is a substrate heating unit including: a laser generator providing a laser beam for heating a substrate; and a beam shaper processing the laser beam from the laser generator and selectively providing one of a first beam having a uniform energy distribution and a second beam having an edge-enhanced energy distribution to the substrate.

Abstract: A laser activatable polymer composition is provided. The composition contains at least one laser activatable additive and at least one high naphthenic thermotropic liquid crystalline polymer that contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more. The polymer composition exhibits a dielectric constant of about 5 or less as determined at a frequency of 2 GHz.

Abstract: A compact camera module that contains a generally planar base on which is mounted a lens barrel is provided. The base, barrel, or both are molded from a polymer composition that includes a thermotropic liquid crystalline polymer and a plurality of mineral fibers (also known as “whisker”). The mineral fibers have a median width of from about 1 to about 35 micrometers and constitute from about 5 wt. % to about 60 wt. % of the polymer composition.

Abstract: A busbar that comprises an insulative portion that covers at least a portion of an electrically conductive body is provided. The insulative portion comprises a polymer composition that includes a polymer matrix containing a thermotropic liquid crystalline polymer. Further, the polymer composition exhibits a melt viscosity of about 300 Pa-s or less as determined in accordance with ISO 11443:2021 at a shear rate of 1,000 s-1 and temperature of about 15° C. above the melting temperature of the composition, and a deflection temperature under load of about 170° C. or more as determined in accordance with ISO 75:2013 at a load of 1.8 MPa.

Abstract: A LIDAR (Light Detection and Ranging) apparatus for a vehicle including a light emitting unit configured to emit laser light; an angle adjusting unit configured to adjust an emission angle of the laser light emitted from the light emitting unit by reflecting the laser light; a window cover unit installed to discharge the laser light emitted through the angle adjusting unit to the outside of the vehicle; a light receiving unit configured to receive reflected light introduced into the vehicle through the window cover unit; and a moisture removing unit configured to emit far-infrared light using a far-infrared light source to heat the window cover unit through the angle adjusting unit.

Abstract: A cleaner for a lidar sensor may include: a blast pipe unit through which wind generated from a fan of an engine passes; and a lidar sensor installed in the blast pipe unit, wherein foreign matter adhering to the surface of the lidar sensor are removed by wind discharged from the blast pipe unit.

Abstract: A polymer composition that is capable of exhibiting a unique combination of ductility (e.g., tensile elongation at break), impact strength (e.g., Charpy notched impact strength), and dimensional stability is provided. For example, the polymer composition may contain a liquid crystalline polymer in combination with an epoxy-functionalized olefin copolymer and an inorganic particulate material.

Abstract: A light detection and ranging (“lidar”) sensing device including a sensing light source unit configured to radiate sensing light, a scanner unit configured to reflect the sensing light radiated by the sensing light source unit toward a target and to reflect incident light reflected by the target and integrated with the sensing light source unit, a light-receiving lens configured to transmit the incident light reflected by the scanner unit, a light-receiving reflector configured to reflect the incident light passing through the light-receiving lens, and an optical detection unit on which the incident light reflected by the light-receiving reflector is incident.

Abstract: A Light Detection And Ranging (LiDAR) system may include: a transmitter configured to output pulse laser; a reflecting mirror comprising two or more reflecting surfaces to reflect the pulse laser; a driver configured to rotate the reflecting mirror; a path control mirror configured to reflect the pulse laser to the reflecting surfaces of the reflecting mirror to form an optical path of the pulse laser; and a receiver configured to receive the light reflected through the reflecting mirror, and convert the received light into an electrical signal, wherein the reflecting mirror comprises: a first reflecting surface; and a second reflecting surface, wherein the first and second reflecting surfaces are connected to each other at one point, the first reflecting surface and the second reflecting surface have different tilt angles from each other, and the first reflecting surface is tilted in the opposite direction of the second reflecting surface.

Abstract: A polymer composition that is capable of exhibiting a unique combination of ductility (e.g., tensile elongation at break), impact strength (e.g., Charpy notched impact strength), and dimensional stability is provided. For example, the polymer composition may contain a liquid crystalline polymer in combination with an epoxy-functionalized olefin copolymer and an inorganic particulate material.

Abstract: A polymer composition that contains an aromatic polymer in combination with a tribological formulation is provided. The polymer composition may exhibit a low degree of surface friction that minimizes the extent to which a skin layer is peeled off during use of a part containing the composition (e.g., in a camera module). For example, the polymer composition may exhibit a dynamic coefficient of friction of about 1.0 or less and/or a wear depth may be about 500 micrometers or less as determined in accordance with VDA 230-206:2007.

Abstract: A circuit structure that comprises a substrate and one or more conductive elements disposed on the substrate is provided. The substrate comprises a polymer composition that comprises an electrically conductive filler distributed within a polymer matrix. The polymer matrix contains at least one thermoplastic high performance polymer having a deflection under load of about 40° C. or more as determined in accordance with ISO 75-2:2013 at a load of 1.8 MPa, and the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Abstract: A polymer composition comprising a semiconductive material distributed within a polymer matrix is provided. The semiconductive material includes inorganic particles and an electrically conductive material, the inorganic particles having an average particle size of from about 0.1 to about 100 ?m and an electrical conductivity about 500 ?S/cm or less. The polymer matrix contains at least one thermoplastic high performance polymer having a deflection under load of about 40° C. or more. The polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Abstract: Provided is a lidar device for a vehicle including an optical transmitter configured to transmit an outgoing optical signal, an optical receiver configured to receive a plurality of return optical signals incident in different directions, at least one temperature sensor configured to identify a temperature of the lidar device, and a processor operatively coupled with the optical transmitter, the optical receiver, and the at least one temperature sensor. The processor is configured to control the optical transmitter to transmit the outgoing optical signal configured to detect an object, receive an object optical signal, reflected by the object, through the optical receiver, identify a temperature of the lidar device through the temperature sensor in response to the identifying of intensity of the object optical signal being less than reference intensity, and adjust a bandpass of an optical filter of the optical receiver based on the temperature of the lidar device.

Abstract: A polymer composition comprising a dielectric material distributed within a polymer matrix is provided. The dielectric material has a volume resistivity of from about 0.1 ohm-cm to about 1 × 1012 ohm-cm. wherein the polymer matrix contains at least one thermotropic liquid crystalline polymer, and further wherein the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Abstract: The system for issuing electronic documents using a blockchain according to the present invention comprises: a transceiver receiving identification information of a facility and status information of the facility from a complex sensor device for sensing the status of the facility and transmitting sensing the status of facilities and transmitting the status information of the facility to the outside; a diagnosis unit performing safety diagnosis on the facility and calculating a safety diagnosis grade according to the safety diagnosis result; a transmitter retrieving the safety diagnosis result from the distributed ledger of the blockchain network at the request of a user device and transmitting the safety diagnosis result in the form of an electronic document; and a data processer for converting the received status information of the facility and the safety diagnosis result by the diagnosis unit into a standardized data format suitable for storage in a blockchain network.

Abstract: An automotive sensor integration module including a plurality of sensors which differ in at least one of a sensing period or an output data format, and a signal processing unit, which simultaneously outputs, as sensing data, pieces of detection data respectively output from the plurality of sensors on the basis of the sensing period of any one of the plurality of sensors, determines whether each region of an outer cover corresponding to a location of each of the plurality of sensors is contaminated on the basis of the pieces of detection data, and outputs a determination result as contamination data.

Abstract: A polymer composition is provided. The polymer composition comprises a liquid crystalline, an electrically conductive filler, and a mineral filler. The polymer composition exhibits a surface resistivity of from about 1 × 1012 ohms to about 1 × 1018 ohms as determined in accordance with ASTM D257-14.