Abstract: A lighting device includes a light board and a light dimmer circuit. The light board includes multiple first light emitting elements and second light emitting elements. The first light emitting elements are disposed in a first area of the light board. The second light emitting elements are disposed in a second area of the light board. The light dimmer circuit is configured to drive the second light emitting elements to generate flickering lights from the second area of the light board, and is configured to drive the first light emitting elements to generate non-flickering lights from the first area of the light board.

Abstract: An antenna structure is provided, including a substrate, an impedance control line, a first impedance control area, and a metal element. The impedance control line is located on the first side of the substrate. The first impedance control area is arranged on the substrate, located on one side of the impedance control line, close to the second end of the impedance control line, and separated from the impedance control line by a first hollow part. The metal element is arranged on the substrate and connected to the first end and the second end of the impedance control line, and the first impedance control area. As such, the present invention controls the impedance in the high frequency range between 5.85 and 7.25 GHz through the impedance control line and the first impedance control area, provides a complete current flow area, and improves the impedance control effect, efficiency, and gain.

Abstract: The present invention discloses a printed circuit board (PCB). The printed circuit board includes a plurality of layers, a first antenna, a second antenna, a third antenna and an isolator. The first antenna is arranged on a first layer of the layers. The second antenna is arranged on the first layer. The isolator is arranged on the first layer and located between the first antenna and the second antenna. The third antenna is arranged on a second layer of the layers, wherein the second layer is different from the first layer. A position of the third antenna overlaps a position of the isolator in a direction perpendicular to a surface of the printed circuit board.

Abstract: An antenna with pin header is provided, which may include a substrate, a feed point, a radiator and a metallic pin header. The feed point may be disposed on the substrate. The radiator may be printed on the substrate and connected to the feed point. The metallic pin header may penetrate through the radiator and the substrate. The metallic pin header may be connected to the feed point via the radiator, and the radiator and the metallic pin header may have a common feedline, whereby the metallic pin header can enhance the gain pattern, in the direction which the metallic pin header points in, of the radiator.

Abstract: An antenna structure is provided, including a substrate, an impedance control line, a first impedance control area, and a metal element. The impedance control line is located on the first side of the substrate. The first impedance control area is arranged on the substrate, located on one side of the impedance control line, close to the second end of the impedance control line, and separated from the impedance control line by a first hollow part. The metal element is arranged on the substrate and connected to the first end and the second end of the impedance control line, and the first impedance control area. As such, the present invention controls the impedance in the high frequency range between 5.85 and 7.25 GHz through the impedance control line and the first impedance control area, provides a complete current flow area, and improves the impedance control effect, efficiency, and gain.

Abstract: The present invention discloses a printed circuit board (PCB). The printed circuit board includes a plurality layers, a first antenna, a second antenna, a third antenna and an isolator. The first antenna is arranged on a first layer of the layers. The second antenna is arranged on the first layer. The isolator is arranged on the first layer and located between the first antenna and the second antenna. The third antenna is arranged on a second layer of the layers, wherein the second layer is different from the first layer. A position of the third antenna overlaps a position of the isolator in a direction perpendicular to a surface of the printed circuit board.

Abstract: A holder for antennas includes at least one circuit board, at least one carrier and at least one antenna. The at least one carrier, disposed to a lateral side of the at least one circuit board, has at least one honeycomb structure. The at least one antenna, disposed at the at least one carrier, is electrically connected with the at least one circuit board. The antenna, the carrier and the circuit board are formed as a modular structure beneficial to be assembled into or disassembled from the casing of the electronic device.

Abstract: A holder for antennas includes at least one circuit board, at least one carrier and at least one antenna. The at least one carrier, disposed to a lateral side of the at least one circuit board, has at least one honeycomb structure. The at least one antenna, disposed at the at least one carrier, is electrically connected with the at least one circuit board. The antenna, the carrier and the circuit board are formed as a modular structure beneficial to be assembled into or disassembled from the casing of the electronic device.

Abstract: A surface emitting laser includes a conductive substrate, a metal bonding layer, a laser structure layer, an epitaxial semiconductor reflection layer, and an electrode layer. The laser structure layer has an epitaxial current-blocking layer having a current opening. Currents are transmitting through the current opening. The epitaxial current-blocking layer is grown by a semiconductor epitaxy process to confine the range of the currents to form electric fields.

Abstract: A wireless communication module including a substrate, a first antenna, a second antenna and a resonator group is provided. The first antenna and the second antenna are disposed on the substrate. The resonator group is disposed between the first antenna and the second antenna and separated from the first antenna and the second antenna. The resonator group includes a first resonator and a second resonator. The first resonator includes a first resonant cavity, a first extension slot, a first conductive portion and a second conductive portion. The first extension slot extends towards a lateral surface of the substrate from the first resonant cavity. The first conductive portion and the second conductive portion are located within the first resonant cavity and separated from each other. The second resonator includes a second resonant cavity and a second extension slot extending towards the lateral surface from the second resonant cavity.

Abstract: An antenna with pin header is provided, which may include a substrate, a feed point, a radiator and a metallic pin header. The feed point may be disposed on the substrate. The radiator may be printed on the substrate and connected to the feed point. The metallic pin header may penetrate through the radiator and the substrate. The metallic pin header may be connected to the feed point via the radiator, and the radiator and the metallic pin header may have a common feedline, whereby the metallic pin header can enhance the gain pattern, in the direction which the metallic pin header points in, of the radiator.

Abstract: A smart antenna is provided, which may include a plurality of antenna units and a controller. The controller may be coupled to the antenna units. The controller may scan an angle range by a first angle interval according to a characteristic vector of the antenna units and an initial angle; if the power change between any two adjacent scanning points is negative, the controller may multiply the first angle interval by a number to generate a second angle interval, and keep scanning the angle range by the second angle interval; when the controller completely scans the angle range or the power change between any two adjacent scanning points is positive, the controller may generate a power spectrum.

Abstract: A split ring resonator (SRR) antenna is disclosed. The SRR antenna comprises a substrate, a basic feeding portion, a conductive layer, a first capacitive, a conducting element and a second capacitive. The substrate has an outer edge, a first surface and a second surface opposite to the first surface. The basic feeding portion disposed on the first surface. The conductive layer is disposed on the second surface, and has a gap and a cavity. The first conductive layer defines two sides of the gap to be a first inner edge and a second inner edge, and a first matching element and a second matching are formed from the first inner edge and the second inner edge respectively. The cavity is connected to the outer edge of the substrate through the gap. The second capacitive coupling route is formed between the conducting element and the second matching element.

Abstract: A surface emitting laser includes a conductive substrate, a metal bonding layer, a laser structure layer, an epitaxial semiconductor reflection layer, and an electrode layer. The laser structure layer has an epitaxial current-blocking layer having a current opening. Currents are transmitting through the current opening. The epitaxial current-blocking layer is grown by a semiconductor epitaxy process to confine the range of the currents to form electric fields.

Abstract: A dipole antenna is provided, which may include a substrate, a first radiator and a second radiator disposed thereon. The substrate may include a first metal layer and a second metal layer; the first metal layer may include a feed point connected to the signal wire of a coaxial cable; the second metal layer may include a ground point connected to the ground layer of the coaxial cable. The first radiator may include a first planar connection part and a first solid radiating part; the first planar connection part may be disposed on one end of the first solid radiating part and connected to the first metal layer. The second radiator may include a second planar connection part and a second solid radiating part; the second planar connection part may be disposed on one end of the second solid radiating part and connected to the second metal layer.

Abstract: A surface emitting laser includes a conductive substrate, a metal bonding layer, a laser structure layer, an epitaxial semiconductor reflection layer, and an electrode layer. The laser structure layer has an epitaxial current-blocking layer having a current opening. Currents are only transmitting through the current opening. The epitaxial current-blocking layer is grown by a semiconductor epitaxy process to confine the range of the currents to form electric fields.