Abstract: A light-emitting device includes a substrate including a top surface; a semiconductor stack including a first semiconductor layer, an active layer and a second semiconductor layer formed on the substrate, wherein a portion of the top surface is exposed; a distributed Bragg reflector (DBR) formed on the semiconductor stack and contacting the portion of the top surface of the substrate; a metal layer formed on the distributed Bragg reflector (DBR), contacting the portion of the top surface of the substrate and being insulated with the semiconductor stack; and an insulation layer formed on the metal layer and contacting the portion of the top surface of the substrate.

Abstract: An intraocular pressure inspection device includes an intraocular pressure detection unit, a high-precision positioning system and a wide-area positioning system, wherein according to the position of the intraocular pressure detection unit, a set of high-precision coordinates output by the high-precision positioning system and a set of wide-area coordinates output by the wide-area positioning system are integrated in appropriate weights to obtain a set of more precise integrated coordinate. The above-mentioned intraocular pressure inspection device can prevent the intraocular pressure detection unit from failing to operate once it is not in the working area of the high-precision positioning system.

Abstract: An auxiliary operation device for a droplet dispenser includes a droplet sensor, an imaging device and a processor. The droplet sensor has a detected area located between a droplet dispenser and a target area, wherein the droplet sensor detects a droplet output from the droplet dispenser, and outputs a corresponding droplet detection signal. The imaging device captures an image of the target area. The processor obtains a dripping time point at which the droplet passes through the detected area according to the droplet detection signal, and determines whether the target area is shielded within a first time range according to the image, so as to evaluate whether the droplet has successfully dropped into the target area. The above-mentioned auxiliary operating device of the droplet dispenser can objectively determine whether the droplets successfully drops into the target area, and improve the accuracy of judgment.

Abstract: An anechoic chamber includes a closed chamber and a metal container. The closed chamber includes wave-absorbing inner walls located therein, and the wave-absorbing inner walls collectively define a first accommodation space. Each of the wave-absorbing inner walls includes wave absorbers arranged thereon. The metal container is removably received in the first accommodation space, and has wave-reflecting inner walls located therein. The wave-reflecting inner walls collectively define a second accommodation space which is used to receive a device under test (DUT).

Abstract: An anechoic chamber includes a closed chamber and a metal container. The closed chamber includes wave-absorbing inner walls located therein, and the wave-absorbing inner walls collectively define a first accommodation space. Each of the wave-absorbing inner walls includes wave absorbers arranged thereon. The metal container is removably received in the first accommodation space, and has wave-reflecting inner walls located therein. The wave-reflecting inner walls collectively define a second accommodation space which is used to receive a device under test (DUT).

Abstract: An electrostatic detecting device, which is configured to detect an electrostatically sensitive area of an electronic device causing a specific event to happen to an electronic device, includes an electrostatic metal plate, a detector, and a controller. The electrostatic metal plate is configured to generate an electrical field and includes a first surface which is parallel to the electronic device. When the specific event is detected, the detector generates a detection signal. The controller moves the first surface relative to the electronic device and receives the detection signal. When the detection signal is received, the controller determines that the electrostatically sensitive area is a first area of the electronic device overlapped with the first surface.

Abstract: A PCB (Printed Circuit Board) structure at least includes a power layer. The power layer includes a first power shape and a plurality of ground elements. The first power shape is surrounded by the ground elements. The distance between any two adjacent ground elements is shorter than 0.1 wavelength of a predetermined frequency, so as to reduce electromagnetic noise radiation at the predetermined frequency.

Abstract: An electrostatic detecting device, which is configured to detect an electrostatically sensitive area of an electronic device causing a specific event to happen to an electronic device, includes an electrostatic metal plate, a detector, and a controller. The electrostatic metal plate is configured to generate an electrical field and includes a first surface which is parallel to the electronic device. When the specific event is detected, the detector generates a detection signal. The controller moves the first surface relative to the electronic device and receives the detection signal. When the detection signal is received, the controller determines that the electrostatically sensitive area is a first area of the electronic device overlapped with the first surface.

Abstract: An antenna system includes a first antenna, a second antenna, a band rejection filter, and a dielectric substrate. The band rejection filter is substantially disposed between the first antenna and the second antenna. The band rejection filter includes a protruded ground element, a main branch, a first extension branch, a first additional branch, and a second additional branch. The main branch substantially has a T-shape. The first extension branch is coupled to the main branch. The first additional branch is separated from the main branch, and a first coupling gap is formed between the first additional branch and the main branch. The second additional branch is separated from the main branch, and a second coupling gap is formed between the second additional branch and the first extension branch. The band rejection filter is configured to improve the isolation between the first antenna and the second antenna.

Abstract: A portable electrical device including an antenna radiation body, a wireless communication module and a cable is provided. The antenna radiation body transceives a first radio frequency (RF) signal belonging to a first frequency band. The wireless communication module processes the first RF signal. The cable connects the antenna radiation body with the wireless communication module to transmit the first RF signal. The cable has multiple grounding points. The distances between the neighboring grounding points are less than a quarter wavelength of a signal corresponding to the first frequency band.

Abstract: An embedded antenna is disclosed. The embedded antenna comprises a coaxial cable and a grounding connecting part. The coaxial cable comprises a center conductor, an insulating layer and an outer sheath. The center conductor comprises a signal transmission part and a radiating part. The radiating part electrically connects the signal transmission part and provides a resonance frequency. The insulating layer covers the signal transmission part and the radiating part. The outer sheath covers the signal transmission part but not the radiating part. The grounding connecting part electrically connects the system grounding part and the outer sheath.

Abstract: An antenna system includes a first antenna, a second antenna, a band rejection filter, and a dielectric substrate. The band rejection filter is substantially disposed between the first antenna and the second antenna. The band rejection filter includes a protruded ground element, a main branch, a first extension branch, a first additional branch, and a second additional branch. The main branch substantially has a T-shape. The first extension branch is coupled to the main branch. The first additional branch is separated from the main branch, and a first coupling gap is formed between the first additional branch and the main branch. The second additional branch is separated from the main branch, and a second coupling gap is formed between the second additional branch and the first extension branch. The band rejection filter is configured to improve the isolation between the first antenna and the second antenna.

Abstract: A portable electrical device including an antenna radiation body, a wireless communication module and a cable is provided. The antenna radiation body transceives a first radio frequency (RF) signal belonging to a first frequency band. The wireless communication module processes the first RF signal. The cable connects the antenna radiation body with the wireless communication module to transmit the first RF signal. The cable has multiple grounding points. The distances between the neighboring grounding points are less than a quarter wavelength of a signal corresponding to the first frequency band.

Abstract: An embedded antenna is disclosed. The embedded antenna comprises a coaxial cable and a grounding connecting part. The coaxial cable comprises a center conductor, an insulating layer and an outer sheath. The center conductor comprises a signal transmission part and a radiating part. The radiating part electrically connects the signal transmission part and provides a resonance frequency. The insulating layer covers the signal transmission part and the radiating part. The outer sheath covers the signal transmission part but not the radiating part. The grounding connecting part electrically connects the system grounding part and the outer sheath.