Abstract: A small molecule compound or salt thereof or solvates of them is provided, wherein the small molecule compound comprises a compound represented by Formula (I) as shown below:

Abstract: An antenna device with a tunable gain, includes a ground plane and a plurality of resonating units. A first resonating unit of the resonating units includes the following elements. A radiating plate, is arranged above the ground plane, and substantially parallel with the ground plane. A ground wall, is arranged between the radiating plate and the ground plane, and substantially perpendicular to the ground plane. A first connecting element, extends along a predefined direction substantially perpendicular to the ground plane. The first connecting element is adapted to couple the radiating plate to the ground plane.

Abstract: A method for screening host cells expressing a target protein is provided. The method includes the following steps: providing an expression vector, the expression vector including a promoter, a gene encoding a target protein and an FTH1 gene; transfecting the host cells with the expression vector; culturing the host cells in a medium; and adding iron ions to the medium, and screening the surviving host cells to obtain the host cells expressing the target protein. An expression vector and a method for establishing a cell line stably expressing an exogenous recombinant gene are also provided.

Abstract: An image processing method and an image processing apparatus for video conferencing are provided. In the method, one or more background areas in a shared screen are identified. Whether a size of the one or more background areas conforms to a size of a character representative image is determined. The character representative image is presented in a background area conforming to the size of the character representative image. Therefore, the complete briefing content can be seen.

Abstract: A connection authentication method is provided in the invention. The connection authentication method may comprise the following steps. A master device may provide a white list to a wireless network device, wherein the white list comprises white list information of at least one authorized device. Then, the wireless network device may connect to the at least one authorized device according to the white list to provide network connection to the at least one authorized device.

Abstract: A voltage-controlled oscillator includes an input circuit, a first current supply circuit, a second current supply circuit, a filtering circuit, and an oscillating circuit. The input circuit includes an operational amplifier and a first input transistor. The operational amplifier generates an output voltage according to an input voltage and a feedback voltage. The first input transistor generates an input current according to the output voltage and a power supply voltage. The first current supply circuit generates a first output current according to the input current. The second current supply circuit generates a second output current according to the input current. The filtering circuit couples to the input circuit and the second current supply circuit, and decrease an influence caused by a variation of the input current on the second current supply circuit. The oscillating circuit generates an output clock according to the first output current and the second output current.

Abstract: An optical sensing apparatus is provided. The optical sensing apparatus includes a substrate, one or more pixels supported by the substrate, where each of the one or more pixels includes an absorption region, a field control region, a first contact region, a second contact region and a carrier confining region. The field control region and the first contact region are doped with a dopant of a first conductivity type. The second contact region is doped with a dopant of a second conductivity type. The carrier confining region includes a first barrier region and a channel region, where the first barrier region is doped with a dopant of the second conductivity type and has a first peak doping concentration, and where the channel region is intrinsic or doped with a dopant of the second conductivity type and has a second peak doping concentration lower than the first peak doping concentration.

Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes: a substrate made by a first material or a first material-composite; an absorption layer made by a second material or a second material-composite, the absorption layer being supported by the substrate and the absorption layer including: a first surface; a second surface arranged between the first surface and the substrate; and a channel region having a dopant profile with a peak dopant concentration equal to or more than 1×1015 cm?3, wherein a distance between the first surface and a location of the channel region having the peak dopant concentration is less than a distance between the second surface and the location of the channel region having the peak dopant concentration, and wherein the distance between the first surface and the location of the channel region having the peak dopant concentration is not less than 30 nm.

Abstract: An optical sensing apparatus includes a first photo-detecting layer having a first absorption region configured to absorb light in at least a visible spectrum; a second photo-detecting layer formed over the first photo-detecting layer, the second photo-detecting layer having a second absorption region configured to absorb light in at least a mid-infrared spectrum; a first buffer layer formed over the second photo-detecting layer; and a second buffer layer formed over the first photo-detecting layer and under the second photo-detecting layer.

Abstract: An antenna structure is provided. The antenna structure includes a first metal layer and a second metal layer disposed over the first metal layer. The second metal layer forms a first antenna resonating element operating at a first band and has a first opening. The antenna structure also includes a third metal layer disposed over the second metal layer. The third metal layer forms a second antenna resonating element operating at a second band, which is different from the first band. The antenna structure further includes a first transmission line extending from the first metal layer to the second metal layer and a second transmission line extending from the first metal layer through the first opening to the third metal layer.

Abstract: An antenna module is provided. The antenna module includes a dielectric substrate, a radio frequency integrated circuit (RFIC) and a first number of first antennas. The radio frequency integrated circuit (RFIC) is disposed on the dielectric substrate, wherein the RFIC comprises a single first antenna port group and second antenna port groups to receive or transmit signals. The first number of first antennas is arranged in a first row on the dielectric substrate, wherein at least two of the first antennas are connected to the first antenna port group of the RFIC.

Abstract: An antenna device with a tunable gain, includes a ground plane and a plurality of resonating units. A first resonating unit of the resonating units includes the following elements. A radiating plate, is arranged above the ground plane, and substantially parallel with the ground plane. A ground wall, is arranged between the radiating plate and the ground plane, and substantially perpendicular to the ground plane. A first connecting element, extends along a predefined direction substantially perpendicular to the ground plane. The first connecting element is adapted to couple the radiating plate to the ground plane.

Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes: a substrate made by a first material or a first material-composite; an absorption layer made by a second material or a second material-composite, the absorption layer being supported by the substrate and the absorption layer including: a first surface; a second surface arranged between the first surface and the substrate; and a channel region having a dopant profile with a peak dopant concentration equal to or more than 1×1015 cm?3, wherein a distance between the first surface and a location of the channel region having the peak dopant concentration is less than a distance between the second surface and the location of the channel region having the peak dopant concentration, and wherein the distance between the first surface and the location of the channel region having the peak dopant concentration is not less than 30 nm.

Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes: a substrate made by a first material or a first material-composite; an absorption layer made by a second material or a second material-composite, the absorption layer being supported by the substrate and the absorption layer including: a first surface; a second surface arranged between the first surface and the substrate; and a channel region having a dopant profile with a peak dopant concentration equal to or more than 1×1015 cm?3, wherein a distance between the first surface and a location of the channel region having the peak dopant concentration is less than a distance between the second surface and the location of the channel region having the peak dopant concentration, and wherein the distance between the first surface and the location of the channel region having the peak dopant concentration is not less than 30 nm.

Abstract: An optical sensing apparatus is provided. The optical sensing apparatus includes a substrate, one or more pixels supported by the substrate, where each of the one or more pixels includes an absorption region, a field control region, a first contact region, a second contact region and a carrier confining region. The field control region and the first contact region are doped with a dopant of a first conductivity type. The second contact region is doped with a dopant of a second conductivity type. The carrier confining region includes a first barrier region and a channel region, where the first barrier region is doped with a dopant of the second conductivity type and has a first peak doping concentration, and where the channel region is intrinsic or doped with a dopant of the second conductivity type and has a second peak doping concentration lower than the first peak doping concentration.

Abstract: An optical sensing apparatus is provided. The optical sensing apparatus includes a semiconductor substrate composed of a first material; a transmitter-receiver set supported by the semiconductor substrate and including: (1) a photodetector includes an absorption region composed of a second material including germanium and configured to receive an optical signal and to generate photo-carriers in response to the optical signal; and (2) a light source including a light-emitting region composed of a third material including germanium and configured to emit a light toward a target; wherein the absorption region includes at least a property different from a property of the light-emitting region, wherein the property includes strain, conductivity type, peak doping concentration, or a ratio of the peak doping concentration to a peak doping concentration of the semiconductor substrate; wherein the first material is different from the second material and the third material.

Abstract: A method for screening host cells expressing a target protein is provided. The method includes the following steps: providing an expression vector, the expression vector including a promoter, a gene encoding a target protein and an FTH1 gene; transfecting the host cells with the expression vector; culturing the host cells in a medium; and adding iron ions to the medium, and screening the surviving host cells to obtain the host cells expressing the target protein. An expression vector and a method for establishing a cell line stably expressing an exogenous recombinant gene are also provided.

Abstract: Many embodiments provide a high frequency near-field probe based on a tapered waveguide combined with at least one optically-pumped high frequency radiation source and at least one optically-probed high frequency radiation detector.

Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes: a substrate made by a first material or a first material-composite; an absorption layer made by a second material or a second material-composite, the absorption layer being supported by the substrate and the absorption layer including: a first surface; a second surface arranged between the first surface and the substrate; and a channel region having a dopant profile with a peak dopant concentration equal to or more than 1×1015 cm?3, wherein a distance between the first surface and a location of the channel region having the peak dopant concentration is less than a distance between the second surface and the location of the channel region having the peak dopant concentration, and wherein the distance between the first surface and the location of the channel region having the peak dopant concentration is not less than 30 nm.

Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes: a substrate made by a first material or a first material-composite; an absorption layer made by a second material or a second material-composite, the absorption layer being supported by the substrate and the absorption layer including: a first surface; a second surface arranged between the first surface and the substrate; and a channel region having a dopant profile with a peak dopant concentration equal to or more than 1×1015 cm?3, wherein a distance between the first surface and a location of the channel region having the peak dopant concentration is less than a distance between the second surface and the location of the channel region having the peak dopant concentration, and wherein the distance between the first surface and the location of the channel region having the peak dopant concentration is not less than 30 nm.