Abstract: A liquid crystal antenna and a method of beamforming of electromagnetic waves are provided. The method includes: receiving by a feeding circuit board a feeding signal to form a feeding electromagnetic wave; applying a plurality of bias voltages respectively between a ground plane and a plurality of patch antenna units of a liquid crystal modulation structure to form an amplitude interference pattern, wherein a liquid crystal layer of the liquid crystal modulation structure is disposed between the ground plane and the patch antenna units; and utilizing interference of the feeding electromagnetic wave and the amplitude interference pattern to form an electromagnetic beam, wherein the electromagnetic beam is directed to a specific angle, and an intensity and the specific angle of the electromagnetic beam are modulated according to the variations of the feeding electromagnetic wave and the amplitude interference pattern.

Abstract: A metal interconnect structure includes a first metal interconnection in an inter-metal dielectric (IMD) layer on a substrate, a second metal interconnection on the first metal interconnection, and a cap layer between the first metal interconnection and the second metal interconnection. Preferably, a top surface of the first metal interconnection is even with a top surface of the IMD layer and the cap layer is made of conductive material.

Abstract: An object tracking system and an object tracking method are provided. The object tracking system includes a transmitter, a receiver and at least one processing circuit. The transmitter is configured to transmit wireless signals through a target space. The receiver is configured to receive the wireless signals. The at least one processing circuit is configured to perform following processes: obtaining the wireless signals received by the receiver; generating motion information associated with at least one target object by executing a motion machine-learning model that processes the received wireless signals; and generating three-dimensional tracking information of the at least one target object with respect to the target space by fusing spatial information of the target space and the motion information.

Abstract: A display device is provided, and includes a substrate and a first light shielding layer disposed on the substrate and defining a plurality of first openings. The display device includes a first light filter layer disposed in one of the first openings and a plurality of light-emitting diodes disposed on the substrate. The display device includes a second light shielding layer disposed between the substrate and the first light shielding layer, and having a plurality of second openings. The at least part of the light-emitting diodes are disposed in the second openings respectively. The display device also includes a spacer element disposed between the first light shielding layer and the second light shielding layer, wherein from a cross-section view, a shape of the spacer element is arc-shaped, and a shape of the second light shielding layer is arc-shaped.

Abstract: A semiconductor device including fin field-effect transistors, includes a first gate structure extending in a first direction, a second gate structure extending the first direction and aligned with the first gate structure in the first direction, a third gate structure extending in the first direction and arranged in parallel with the first gate structure in a second direction crossing the first direction, a fourth gate structure extending the first direction, aligned with the third gate structure and arranged in parallel with the second gate structure, an interlayer dielectric layer disposed between the first to fourth gate electrodes, and a separation wall made of different material than the interlayer dielectric layer and disposed between the first and third gate structures and the second and fourth gate structures.

Abstract: A substrate structure is provided, in which an insulating protection layer is formed on a substrate body having a plurality of electrical contact pads, and the insulating protection layer has a plurality of openings corresponding to the plurality of exposed electrical contact pads, and the insulating protection layer is formed with a hollow portion surrounding a partial edge of at least one of the electrical contact pads at at least one of the openings, so as to reduce the barrier of the insulating protection layer.

Abstract: A phase shifter is provided, which includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first ring-shaped electrodes and a plurality of second ring-shaped electrodes. The first substrate and the second substrate are disposed opposite to each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The plurality of first ring-shaped electrodes are disposed sequentially and in interval on a side of the first substrate close to the liquid crystal layer. The plurality of second ring-shaped electrodes are disposed sequentially and in interval on a side of the second substrate close to the liquid crystal layer. A plurality of vertical projections, projected by the plurality of first ring-shaped electrodes to the second substrate, and at least partially overlapped with the plurality of second ring-shaped electrodes, respectively.

Abstract: An antenna structure includes a patch antenna including two opposite edges, a microstrip line connected to the patch antenna, two first radiation assemblies respectively disposed on two sides of the patch antenna, two second radiation assemblies disposed under the two first radiation assemblies, a liquid crystal layer disposed between a first plane and a second plane, and a ground plane disposed under the two second radiation assemblies. The patch antenna, the microstrip line, and the two first radiation assemblies are located on the first plane, and each of the first radiation assemblies includes multiple separated first conductors. The two second radiation assemblies are located on the second plane, and each of the second radiation assemblies includes multiple separated second conductors. A projection of the two second radiation assemblies on the first plane, the two first radiation assemblies, and the two edges of the patch antenna collectively form two loops.

Abstract: A method for measuring a physiological signal includes following steps: detecting a first physiological signal of a target; receiving the first physiological signal to generate a first signal and a second signal by a radar sensor; selecting one of the first signal and the second signal to generate a plurality of original signals, which a phase difference is formed between the first signal and the second signal; and capturing a respiration signal and a heartbeat signal according to the plurality of original signals.

Abstract: An antenna structure includes a patch antenna including two opposite edges, a microstrip line connected to the patch antenna, two first radiation assemblies respectively disposed on two sides of the patch antenna, two second radiation assemblies disposed under the two first radiation assemblies, a liquid crystal layer disposed between a first plane and a second plane, and a ground plane disposed under the two second radiation assemblies. The patch antenna, the microstrip line, and the two first radiation assemblies are located on the first plane, and each of the first radiation assemblies includes multiple separated first conductors. The two second radiation assemblies are located on the second plane, and each of the second radiation assemblies includes multiple separated second conductors. A projection of the two second radiation assemblies on the first plane, the two first radiation assemblies, and the two edges of the patch antenna collectively form two loops.

Abstract: An antenna unit and an antenna device are provided. The antenna unit comprises a first substrate, a signal line, a first electrode, a second electrode, and an auxiliary electrode. The first substrate has a first surface and a second surface opposite to the first surface. The signal line is located on the first surface of the first substrate. The first electrode is located on the second surface of the first substrate. The first electrode is overlapped with the signal line. The first electrode is ring-shape. The second electrode has a through hole. An accommodating space of the through hole is overlapped with the first electrode. The auxiliary electrode is overlapped with the accommodating space of the through hole and the first electrode.

Abstract: An antenna device includes a first substrate, a first radiation part, a first grounding part, a second radiation part, a liquid crystal layer, and a feeding line. The first substrate includes a first surface and a second surface. The first radiation part is formed on the first surface. The first grounding part includes a slot, and the first radiation part is formed in a projection of the slot projected onto the first surface. The second radiation part is formed in the slot, and coupled with the first grounding part through a conductive segment. The liquid crystal layer is disposed between the first radiation part and the second radiation part. The feeding line is formed on the second surface, and a projection of the first radiation part projected onto the second surface is at least partially overlapping with the feeding line.

Abstract: An antenna unit and an antenna device are provided. The antenna unit comprises a first substrate, a signal line, a first electrode, a second electrode, and an auxiliary electrode. The first substrate has a first surface and a second surface opposite to the first surface. The signal line is located on the first surface of the first substrate. The first electrode is located on the second surface of the first substrate. The first electrode is overlapped with the signal line. The first electrode is ring-shape. The second electrode has a through hole. An accommodating space of the through hole is overlapped with the first electrode. The auxiliary electrode is overlapped with the accommodating space of the through hole and the first electrode.

Abstract: An antenna device includes a first substrate, a first radiation part, a first grounding part, a second radiation part, a liquid crystal layer, and a feeding line. The first substrate includes a first surface and a second surface. The first radiation part is formed on the first surface. The first grounding part includes a slot, and the first radiation part is formed in a projection of the slot projected onto the first surface. The second radiation part is formed in the slot, and coupled with the first grounding part through a conductive segment. The liquid crystal layer is disposed between the first radiation part and the second radiation part. The feeding line is formed on the second surface, and a projection of the first radiation part projected onto the second surface is at least partially overlapping with the feeding line.

Abstract: A structured light generating device and a measuring system and method are provided. The structured light generating device includes: a light modulating element for receiving a projection light beam and modulating the projection light beam into a first structured light beam having a pattern, and a light shifting element corresponding to the light modulating element for receiving and shifting the first structured light beam to generate a second structured light beam having the pattern. A shift difference is formed between the first structured light beam and the second structured light beam, and the first structured light beam and the second structured light beam are superimposed to form a superimposed structured light beam so as to improve resolution.

Abstract: A skin analyzer includes a base, an optical imaging system, a flash module, a circuit module, a computing module and a display module. The optical imaging system is disposed on the base for capturing an image of an imaging area. The flash module is disposed on at least one side of the optical imaging system. The circuit module is disposed in the base and electrically connected with the optical imaging system and the flash module. The computing module has a signal transmitting connection with the circuit module. The display module has a signal transmitting connection with the computing module.

Abstract: A multi-point spectral system includes an imaging lens, an image capturing module and a multiwavelength filter (MWF) disposed between the imaging lens and the image capturing module. The MWF has a plurality of narrow-bandpass filter (NBPF) units arranged in an array, and each of the plurality of NBPF units has a respective predetermined central transmitted wavelength. The multi-point spectral system is provided to capture plural spectral images of a scene, which contain spectral or color information of the scene. The multi-point spectral system may utilize the information of the plural spectral images to recognize features revealed at the scene.

Abstract: A skin analyzer includes a base, an optical imaging system, a flash module, a circuit module, a computing module and a display module. The optical imaging system is disposed on the base for capturing an image of an imaging area. The flash module is disposed on at least one side of the optical imaging system. The circuit module is disposed in the base and electrically connected with the optical imaging system and the flash module. The computing module has a signal transmitting connection with the circuit module. The display module has a signal transmitting connection with the computing module.

Abstract: A multi-point spectral system includes an imaging lens, an image capturing module and a multiwavelength filter (MWF) disposed between the imaging lens and the image capturing module. The MWF has a plurality of narrow-bandpass filter (NBPF) units arranged in an array, and each of the plurality of NBPF units has a respective predetermined central transmitted wavelength. The multi-point spectral system is provided to capture plural spectral images of a scene, which contain spectral or color information of the scene. The multi-point spectral system may utilize the information of the plural spectral images to recognize features revealed at the scene.

Abstract: A structured light generating device and a measuring system and method are provided. The structured light generating device includes: a light modulating element for receiving a projection light beam and modulating the projection light beam into a first structured light beam having a pattern, and a light shifting element corresponding to the light modulating element for receiving and shifting the first structured light beam to generate a second structured light beam having the pattern. A shift difference is formed between the first structured light beam and the second structured light beam, and the first structured light beam and the second structured light beam are superimposed to form a superimposed structured light beam so as to improve resolution.