Abstract: An optical fiber transmission device includes a substrate, a photonic integrated circuit, and an optical fiber assembly. The photonic integrated circuit is disposed on an area of the substrate. The substrate has a protruding structure at an interface with an edge of the photonic integrated circuit. The optical fiber assembly includes an optical fiber and a ferrule that sleeves the optical fiber. The protruding structure of the substrate is configured to abut against the ferrule to limit the position of the optical fiber assembly in a vertical direction of the substrate, such that the protruding structure is a stopper for the optical fiber assembly in the vertical direction.

Abstract: An optical fiber network device includes a fiber and a photonic integrated circuit. Fiber receives a first optical signal and transmits a second optical signal. A first wavelength of first optical signal is different from a second wavelength of second optical signal. Photonic integrated circuit includes a laser chip, a photodetector, a wavelength division multiplexing coupler, a first optical modulation element and a second optical modulation element. Laser chip is disposed on photonic integrated circuit, and is configured to generate first optical signal. Photodetector detects second optical signal. Wavelength division multiplexing coupler is configured to couple first optical signal to fiber, and receives second optical signal. First optical modulation element is coupled to wavelength division multiplexing coupler and laser chip, and is configured to modulate first optical signal.

Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.

Abstract: An optical network device includes a substrate, a photonic integrated circuit, a fiber, and a packaging cap. Photonic integrated circuit is disposed on substrate. Fiber is configured to receive a first optical signal and transmit a second optical signal. A first wavelength of first optical signal is different from a second wavelength of second optical signal. Packaging cap is configured to combine fiber with substrate, and is configured to cover photonic integrated circuit and fix fiber, so as to align fiber with photonic integrated circuit, so that an oblique angle is formed between a normal vector of a plane where photonic integrated circuit is located and a direction in which fiber extends. Photonic integrated circuit is configured to receive second optical signal according to oblique angle. Photonic integrated circuit is configured to couple first optical signal to fiber according to oblique angle.

Abstract: A wireless radio frequency conversion system is disclosed. The wireless radio frequency conversion system includes a primary distributing device, a one-to-many conversion device, a plurality of first optical fiber networks, a plurality of remote antenna devices, and a plurality of antennas. The primary distributing device is configured to receive a first photoelectric signal. The one-to-many conversion device is configured to perform an optical-electrical conversion and a one-to-many conversion to the first photoelectric signal so as to generate a plurality of second photoelectric signals. The plurality of first optical fiber networks are configured to transmit the plurality of second photoelectric signals. The plurality of remote antenna devices are configured to receive and perform an optical-electrical conversion to the plurality of second photoelectric signals so as to generate a plurality of third photoelectric signals.

Abstract: A wireless radio frequency conversion system is disclosed. The baseband device generates or receives a baseband signal. The remote radio device transforms between the baseband signal and a radio frequency signal. The beamforming device adjusts amplitude and phase of the radio frequency signal or adjusts scale factor and phase factor of the baseband signal. The conversion device performs an optical-electrical conversion to the radio frequency signal. One of the beamforming device, the conversion device, and the wireless radio frequency conversion system having a one-to-many conversion device performs a one-to-many conversion to the radio frequency signal or the baseband signal to generate radio frequency signals or baseband signals, or performs a many-to-one conversion to the radio frequency signals or the baseband signals to generate the radio frequency signal or the baseband signal. The front-end module amplifies the radio frequency signal. The antenna transmits or receives the radio frequency signal.

Abstract: This invention provides an antenna assembly equipped with a sub-wavelength structured enhancer, comprising an antenna supporting substrate with a top surface and a bottom surface opposite to each other; a first patch antenna is disposed on the top surface of the antenna supporting substrate or inside of the antenna supporting substrate; a ground layer is disposed under the bottom surface of the antenna supporting substrate; a signal feeding layer for transmitting satellite communicating signals is disposed on one of surfaces of the antenna supporting substrate, or inside of the antenna supporting substrate, or under the first patch antenna, or under a side of the ground layer back to the antenna supporting substrate; and a solid sub-wavelength structured enhancer is disposed above the first patch antenna and spaced with each other by an air gap ranging between 7 mm and 47 mm.

Abstract: A wireless radio frequency conversion system is disclosed. The wireless radio frequency conversion system includes a wireless radio frequency transmit-receive device, a first conversion device, at least one optical fiber, a second conversion device, and a wireless radio frequency transmission device. The wireless radio frequency transmit-receive device performs a conversion and a transmit-receive manner to at least one radio frequency signal and at least one data signal. The first conversion device performs a conversion to the at least one data signal and at least one optical signal. The optical fiber transmits the at least one optical signal. The second conversion device performs a conversion to the at least one optical signal and the at least one data signal. The wireless radio frequency transmission device performs a conversion and a transmit-receive manner to the at least one data signal and the at least one terminal signal.

Abstract: An image transmission system is disclosed. The image transmission system includes at least one image capturing device, at least one conversion device, at least one image processor, and at least one flexible printed circuit (FPC). The at least one FPC includes at least one conductive layer and at least one optical waveguide layer. The at least one image capturing device is configured to capture at least one data. The at least one conversion device is configured to perform a conversion between the at least one data and an optical signal. The at least one image processor is configured to obtain the at least one data according to the optical signal, and processes the data. The at least one optical waveguide layer is configured to transmit the optical signal.

Abstract: A hybrid multi-layered optical flexible printed circuit device, comprising: an optical flexible substrate including a first open window and a second open window with a first, a second surfaces opposite to each other; an intrinsic film including a first bonding region aligned with the first open window and a second bonding region aligned with the second open window formed on the first surface; an optical waveguide film including a first notch with a first slant surface aligned with the first bonding region, and a second notch with a second slant surface aligned with the second bonding region formed on the second surface and encompassed the first open window and the second open window; a first flexible printed circuit board formed on the optical waveguide film; and a first optoelectronic device and a second optoelectronic device mounted in the first bonding region and the second bonding region of the intrinsic film.

Abstract: A liveness detection device comprising a light source unit, image sensor unit, and data processing module and authentication method thereof are provided. The light source unit comprises a substrate having a first inclined surface, whereby emitted light is reflected light from the first inclined surface. An application triggers an authentication process, which is indicated to a user. The light source unit begins illumination having a specific pattern and for a specific period and image signals are generated. Liveness detection signals are generated, via calculation of interference patterns, each, from more than one image signal, in sequence, for determination of liveness. When a liveness threshold is met, feature recognition data is generated, via calculation of interference patterns, each, from more than one image signal, in sequence, for matching. Then, the features are compared with previously enrolled data for locking or unlocking of the liveness detection device and/or system coupled thereto.

Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.

Abstract: A wireless radio frequency conversion system is disclosed. The wireless radio frequency conversion system includes a wireless radio frequency transmit-receive device, a first conversion device, at least one optical fiber, a second conversion device, and a wireless radio frequency transmission device. The wireless radio frequency transmit-receive device performs a conversion and a transmit-receive manner to at least one radio frequency signal and at least one data signal. The first conversion device performs a conversion to the at least one data signal and at least one optical signal. The optical fiber transmits the at least one optical signal. The second conversion device performs a conversion to the at least one optical signal and the at least one data signal. The wireless radio frequency transmission device performs a conversion and a transmit-receive manner to the at least one data signal and the at least one terminal signal.

Abstract: A hybrid multi-layered optical flexible printed circuit device, comprising: an optical flexible substrate including a first open window and a second open window with a first, a second surfaces opposite to each other; an intrinsic film including a first bonding region aligned with the first open window and a second bonding region aligned with the second open window formed on the first surface; an optical waveguide film including a first notch with a first slant surface aligned with the first bonding region, and a second notch with a second slant surface aligned with the second bonding region formed on the second surface and encompassed the first open window and the second open window; a first flexible printed circuit board formed on the optical waveguide film; and a first optoelectronic device and a second optoelectronic device mounted in the first bonding region and the second bonding region of the intrinsic film.

Abstract: An image capturing system is disclosed. The image capturing system includes a mainboard, a laser device, an image sensing device, and a data processing device. The laser device is electrically connected to the mainboard, and the laser device includes a laser source. The laser source is configured to emit a laser light. The image sensing device is electrically connected to the mainboard, and the image detecting device includes an aperture and an image sensor. The reflected or scattered light of the laser light passes through the aperture to form an image. The image sensor is configured to generate an image signal according to the image. The data processing device is electrically connected to the mainboard, and the data processing device is configured to generate a liveness detection signal according to the image signal.

Abstract: A unidirectional transmission device includes at least one substrate, at least one light source, and at least one light-sensing element. The at least one substrate includes at least one recess. The at least one light source is configured to transform an electrical signal into an optical signal, and transmit the optical signal. The at least one light-sensing element is configured to receive the optical signal, and transform the optical signal into the electrical signal, wherein the at least one recess is configured to dispose the at least one light source, or configured to dispose the at least one light-sensing element, or configured to reflect the optical signal.

Abstract: A liveness detection device comprising a light source unit, image sensor unit, and data processing module and authentication method thereof are provided. The light source unit comprises a substrate having a first inclined surface, whereby emitted light is reflected light from the first inclined surface. An application triggers an authentication process, which is indicated to a user. The light source unit begins illumination having a specific pattern and for a specific period and image signals are generated. Liveness detection signals are generated, via calculation of interference patterns, each, from more than one image signal, in sequence, for determination of liveness. When a liveness threshold is met, feature recognition data is generated, via calculation of interference patterns, each, from more than one image signal, in sequence, for matching. Then, the features are compared with previously enrolled data for locking or unlocking of the liveness detection device and/or system coupled thereto.

Abstract: An image transmission system is disclosed. The image transmission system includes at least one image capturing device, at least one conversion device, at least one image processor, and at least one flexible printed circuit (FPC). The at least one FPC includes at least one conductive layer and at least one optical waveguide layer. The at least one image capturing device is configured to capture at least one data. The at least one conversion device is configured to perform a conversion between the at least one data and an optical signal. The at least one image processor is configured to obtain the at least one data according to the optical signal, and processes the data. The at least one optical waveguide layer is configured to transmit the optical signal.

Abstract: The present invention relates to a method of manufacturing a photovoltaic device having an ultra-shallow junction layer. In the method, a crystalline silicon substrate is cleaned and a first doped semiconductor layer with 1.12 eV bandgap and 5˜80 nm of thickness is grown on the crystalline silicon substrate by high density plasma electron cyclotron resonance CVD in a preparation condition of a temperature of the crystalline silicon substrate ranging from 50° C. to 250° C. , about 500W of microwave power, deposition pressure below 50 mTorr, about 20 sccm of argon and hydrogen flow rate, SiH4 flow rate ranging from 1 sccm to 2 sccm, and 2% boroethane flow rate ranging from about 5 seem to 15 sccm. The photovoltaic device of the present invention has advantages of abrupt homo-junction, ultra-thin high-crystallinity silicon-based thin film, highly-doped concentration, high conductivity and high short-circuit current, thereby having improved efficiency.

Abstract: A manufacturing method of a substrate of a photoelectric conversion device includes the following steps. A single crystal silicon wafer is set into a chamber of a machine, wherein a germanium target or a silicon germanium target is disposed in the chamber. Thereafter, a physical vapor deposition process is performed to form a single crystal germanium thin film or a single crystal silicon germanium thin film on the single crystal silicon wafer. The manufacturing method reduces the production cost of substrates of photoelectric conversion devices. Furthermore, another substrate of a photoelectric conversion device is also provided.