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50results about How to "Shorten the propagation path" patented technology

Portable fully-integrated DNA on-site inspection minitype total-analysis system detection light path

InactiveCN107576639AIncrease radial resolutionHigh resolutionFluorescence/phosphorescenceMicro fluidicPhysics
The invention relates to a portable fully-integrated DNA on-site inspection minitype total-analysis system detection light path. The portable fully-integrated DNA on-site inspection minitype total-analysis system detection light path is characterized by comprising an exciting light focusing system, a micro-fluidic electrophoresis chip, a fluorescence collecting, focusing and conducting system as well as a fluorescence splitting and detection system. The portable fully-integrated DNA on-site inspection minitype total-analysis system detection light path can divide wide-wavelength fluorescence into a plurality of colored tapes; and besides, a focusing mirror in a wavelength division multiplexer can focus fluorescence beams into micron-order light spots, and is suitable for a low-noise detector and a detector with high noise caused by large sensitive surface. The portable fully-integrated DNA on-site inspection minitype total-analysis system detection light path has a light path structurewhich is provided with a plurality of fluorescence channels, is high in flux and high in flexibility and is simple in process adjustment and low in cost, realizes modular independence, is simple in process adjustment, high in stability and high in extensible degree of electrophoresis channels and fluorescence channels, and can be widely applied in the fields of DNA detection, on-site detection, capillary electrophoresis detection and the like.
Owner:CAPITALBIO CORP

Light guide system, lateral type backlight module and liquid crystal display (LCD)

The invention discloses a light guide system, a lateral type backlight module and a liquid crystal display (LCD). The light guide system comprises an ambient light collecting system, a plurality of light guide devices and at least two light guide bars. The ambient light collecting system faces towards ambient light, absorbs the ambient light and generates absorbed light. Each light guide device is provided with a light inlet end and a light outlet end, the light inlet end is close to the ambient light collecting system, and the absorbed light enters the light inlet end and is guided to the light outlet end. Each light guide bar comprises a light outlet lateral face, a light inlet lateral face and a second lateral face, wherein each light inlet lateral face is connected with the corresponding light outlet lateral face, and each second lateral face is opposite to the corresponding light inlet lateral face. The light outlet lateral faces are close to a light inlet face of a light guide panel, the second lateral face of a first light guide bar is arranged opposite to that of a second light guide bar, one part of the light outlet ends of the light guide devices are close to the light inlet lateral face of the first light guide bar, and the other part of the light outlet ends of the light guide devices are close to the light inlet lateral face of the second light guide bar.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Array substrate and preparation method thereof and display device

The invention discloses an array substrate and a preparation method thereof, and a display device, wherein the array substrate is used for reducing grain recognition light propagation paths and improving grain recognition accuracy and efficiency. The array substrate comprises: a substrate body; a display area and a peripheral area, wherein the display area comprises a first thin film transistor onthe substrate, a first connecting lead wore electrically connected with the first thin film transistor on the substrate, a packaging layer located on the first thin film transistor, a photosensitivedevice located on the packaging layer, and a second connecting lead wire located on the packaging layer and electrically connected with the photosensitive device, the first connecting lead wire, the second connecting lead wire and the packaging layer all extend to the peripheral area, the peripheral area comprises a retaining wall positioned between the first connecting lead wire and the packaginglayer, the packaging layer covers the retaining wall, the packaging layer is provided with a first via hole exposing the first connecting lead wire on the side, deviating from the first thin film transistor, of the retaining wall, and the second connecting lead wire is electrically connected with the first connecting lead wire through the first via hole.
Owner:BOE TECH GRP CO LTD +1

Arrangement method of photovoltaic cell gate lines

An arrangement method of photovoltaic cell gate lines is characterized in that multiple gates lines are all arranged on a semiconductor substrate of a photovoltaic cell and in tight Ohm connection with the semiconductor substrate; the gate lines are in tight Ohm connection with one another in the intersection positions; the gate lines include thick transverse gates, thin transverse gates and radiation gates; the thin transverse gates are arranged in parallel, the distance between every two adjacent thin transverse gates is 3 mm to 5 mm, and the thin transverse gates are spread all over the semiconductor substrate of the photovoltaic cell; the thick transverse gates are arranged on one side of the semiconductor substrate and parallel with the thin transverse gates; the middles of the thick transverse gates are connected with a negative electrode; the radiation gates and the transverse gates intersect, and the radiation gates are not parallel with one another and have the trend to converging to the electrode; in the plane where the semiconductor substrate is located, the extension lines of all the radiation lines converge at one point, the point is located in the perpendicular bisector of the thick transverse gates, and the distance from the point to the thick transverse gates is half of the length of the thick transverse gates.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Inverted light emitting diode with embedded scattering layer and preparation method thereof

The invention discloses an inverted light emitting diode with an embedded scattering layer, the inverted light emitting diode comprises a sapphire substrate, and a u-GaN layer, an n-type doped nitridematerial layer, a heavily doped n-type doped nitride material layer, a light emitting layer and a p-type doped nitride material layer are sequentially grown on the sapphire substrate. A transparent conductive layer is deposited on the p-type doped nitride material layer; a three-dimensional n-type through hole array directly reaching the p-type doped nitride material layer is etched on the transparent conductive layer, the p-type doped nitride material layer, the light emitting layer and the heavily doped n-type doped nitride material layer; an air gap structure communicated with the three-dimensional n-type through hole array is etched on the heavily doped n-type doped nitride material layer; bottom reflecting layers are deposited on the transparent conductive layer and in the three-dimensional n-type through hole array, and electrodes are arranged on the bottom reflecting layers. An air gap structure array is formed on the sapphire substrate to form an embedded light scattering layer, so that photons are scattered, the escape probability of the photons is increased, and the light emitting efficiency of the LED is improved.
Owner:贵溪穿越光电科技有限公司

Taper waveguide rotating stub

The invention provides a taper waveguide rotating stub which comprises a first flange, a first circular waveguide, a waveguide converter, a rectangular waveguide, a second circular waveguide and a second flange, wherein the first and second circular waveguides are perpendicular to each other; the diameter of the first circular waveguide is greater than the height of the rectangular waveguide; a circular port adapted to the diameter of the first circular waveguide is formed in one end of the waveguide converter, and a rectangular port adapted to the height of the rectangular waveguide is formed in the other end of the waveguide converter; the first flange is arranged at one end of the first circular waveguide; the other end of the first circular waveguide is connected with the circular port of the waveguide converter; the rectangular port of the waveguide converter is connected with the lateral surface of the rectangular waveguide; the second flange is arranged at one end of the second circular waveguide; the other end of the second circular waveguide is connected with the end face of the rectangular waveguide; the second circular waveguide and the rectangular waveguide are coaxially arranged. According to the taper waveguide rotating stub, a transmission path of electromagnetic waves in a waveguide channel can be shortened.
Owner:SICHUAN LONGRUI MICROELECTRONICS

Mud compensation device of supersonic imaging logger

The mud compensation device in the ultrasonic imaging logging instrument is applied to the ultrasonic imaging logging instrument, and is a mud compensation device with mud compensation function. The feature is: it consists of a connecting section, a cone transition section and a sound-transmitting window, the connecting section, the cone transition section and the sound-transmitting window are integrated as a whole, made of polytetrafluoroethylene, and the wall thickness is between 3-8mm. The connecting sections at both ends are cylindrical, with an outer diameter between 80-110mm, and the ends of the connecting sections are provided with internal threads. The sound-transmitting window is in the middle of the two connecting sections. The sound-transmitting window is a protruding cylinder with an outer diameter of 150-300mm and a height of 70-90mm. There is a cone transition section between the connection section and the sound-transmission window, and the inclination angle of the hypotenuse of the cone transition section is between 10-20 degrees. The effect is: the distance from the mud compensation device to the well wall is shortened, the propagation path of the sound wave in the mud is reduced, and the propagation attenuation of the sound wave in the mud is reduced; and the risk of sticking of the instrument in drilling can be reduced.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Light emitting diode

The invention discloses a light emitting diode, which comprises a substrate, a first semiconductor layer arranged on the surface of the substrate, a protruding part arranged on the surface of the first semiconductor layer and a first reflection structure, and is characterized in that the surface of the first semiconductor layer comprises a first conductive region and a second conductive region; the protruding part is arranged in the first conductive region of the first semiconductor layer, and the protruding part sequentially comprises an active layer and a second semiconductor layer on the surface of the first semiconductor layer; the first reflection structures are arranged in the protruding parts and penetrate through the second semiconductor layer, the active layer and at least part of the first semiconductor layer, the material of the first semiconductor layer comprises Al < x > Ga < 1-x > N, X ranges from 0 to 1, and the wavelength of radiation light of the light-emitting diode ranges from 200 nm to 320 nm. According to the invention, the propagation path of light in the epitaxial layer can be effectively shortened, the light absorbed by the epitaxial layer, especially the first semiconductor layer, is reduced, and the light emitting efficiency of the light is improved.
Owner:QUANZHOU SANAN SEMICON TECH CO LTD

Inductor-capacitor network unit and dc-dc converter

The present application provides an inductance-capacitance network unit and a DC-DC converter, which are applied to an input filter unit, an inverter unit connected to the input filter unit, a transformer unit, a first port and a second port, and the inverter unit. A power conversion system in which the third port and the fourth port are connected to the inductor-capacitor network unit connected to the transformer unit, the rectifier unit connected to the transformer unit, and the output filter unit connected to the rectifier unit. The inductor-capacitor network unit includes a first capacitor and a second capacitor. An inductor, a second inductor, a second capacitor and a third capacitor, the first end of the first capacitor is connected to the first ends of both the first inductor and the second capacitor, the first port is the second end of the first capacitor, and the first end of the first capacitor is connected to the first end of the first capacitor. The three ports are the second end of the first inductor, the second port is the first end of both the second inductor and the third capacitor, the second ends of the second capacitor and the third capacitor are grounded, and the fourth port is the second end of the second capacitor. The second terminal of the inductor. Reduce electromagnetic compatibility problems caused by high-frequency harmonics.
Owner:SHENZHEN WINLINE TECH
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