Abstract: A microwave separated field reconstructed device includes: a microwave field reconstructed cavity, a first short circuit plane, a third waveguide flange and coupling windows, wherein connection ports are provided on four ends of the microwave field reconstructed cavity; the microwave field reconstructed cavity is provided with a first waveguide flange, and a second waveguide flange is provided one end of the microwave field reconstructed cavity perpendicular to the first waveguide flange; the first short circuit plane is connected to one end of the first waveguide flange away from the microwave field reconstructed cavity; a second short circuit plane is connected to one end of the second waveguide flange away from the microwave field reconstructed cavity. The input ports are distributed at two ends of the microwave field reconstructed cavity to introduce electric and magnetic fields.

Abstract: A method comprises: sorbing a sample solution comprising nucleic acids to a sample receiving portion of a quartz fiber filter by contacting the sample solution with the sample receiving portion; and washing the sample receiving portion while keeping most of nucleic acids around the sample receiving portion by flowing a wash solution through the sample receiving portion under a wicking force directed away from the sample receiving portion. An associated apparatus is also provided.

Abstract: A light beam adjusting device performs a process on at least two kinds of light beams in combination. Through this light beam adjusting device, a part of a first light beam is emitted from a first light exit face and another part thereof may be emitted from a second light exit face. Similarly, a part of the second light beam is also emitted from the first light exit face, and another part thereof may be emitted from the second light exit face. In this way, regardless of whether the first light beam is turned on or the second light beam is turned on, the light adjusted by the light beam adjusting device can be simultaneously emitted from the first light exit face and the second light exit face.

Abstract: A switched mode power supply includes a communication interface and an address terminal for setting a communication address for the power supply using the resistance of an external resistor when the external resistor is coupled to the address terminal. The power supply is configured to determine a first resistance value for the external resistor using a first technique, determine a second resistance value for the external resistor using a second technique, set the communication address of the power supply using the first resistance value if the first resistance value is greater than a threshold value, and set the communication address of the power supply using the second resistance value if the first resistance value is less than the threshold value. Other example switched mode power supplies, power systems including one or more power supplies, and methods for setting a communication address of a power supply are also disclosed.

Abstract: The present application discloses a light collimating thin film, an edge-type backlight module, a liquid crystal display device, and a micro light emitting diode display device. The light collimating thin film includes a substrate having a first surface and a second surface which are opposed to each other, and a plurality of conical structures respectively penetrating the substrate. Axes of the plurality of conical structures are respectively perpendicular to the first surface and the second surface.

Abstract: A light guide assembly, a light collimation assembly, a backlight module and a display device are provided. The light guide assembly includes a first prism sheet, a dielectric layer and a second prism sheet sequentially laminated, a light refractive index of the dielectric layer is smaller than that of the first prism sheet and that of the second prism sheet, the first prism sheet includes a light incident side surface, and a first plane and a first prism surface, the first plane is closer to the dielectric layer, and the first prism surface includes first prism portions extending along a second direction, the second prism sheet includes a second plane and a second prism surface, the second plane is closer to the dielectric layer, the second prism surface includes second prism portions extending along the second direction, and the second prism portion has a reflection surface.

Abstract: An aerial imaging element in a teleprompter system, a teleprompter and a teleprompter device includes one or more optical elements that bend incident light of an image and form a real image in the air, and further includes one or more translucent reflectors. The aerial imaging element is convenient to manufacture and is low in cost; the aerial imaging element enables an image displayed therein to form a real image in the air, which can be seen only at a certain angle. The aerial imaging element is applied to the prompt of aspects, such as news broadcasting and lecture giving, which is convenient and does not influence viewing or video recording at the scene.

Abstract: The present disclosure provides a display device and a method for manufacturing the same. The display device includes: a display panel; and polarizing structures and light absorbing structures located on a light emitting side of the display panel. A plurality of groove structures are formed between the polarizing structures, and each of the light absorbing structures is located in the groove structures.

Abstract: Disclosed embodiments provide techniques for estimating crowd flow rate. Video frames are obtained from a crowd scene. Groups of consecutive video frames form a time window. Crowd flow rate through the field of view of the camera is analyzed by estimating a total number of people contained within at least one frame of a time window. A subset of the people within the frame are identified as a group of tracker candidates. The tracker candidates are monitored throughout the time window, and the time when the tracker candidates exit the field of view of the camera is used to estimate a crowd flow rate for the number of people passing through the field of view of the camera in a given time interval. Thus, disclosed embodiments can improve the technical field of crowd flow rate estimation.

Abstract: A direct type backlight source, a manufacturing method thereof, and a display device are disclosed, the direct type backlight includes a light emitting module including a substrate and a plurality of light emitting units arranged on the substrate; a lens film layer positioned on a light emitting side of the light emitting module, one side of the lens film layer away from the substrate is provided with a plurality of collimating structures arranged in an array, each of the collimating structures includes at least one convex surface structure, and the plurality of collimating structures are in one-to-one correspondence with the plurality of light emitting units.

Abstract: A multi-level boost apparatus. Voltage allocation among N first switches is achieved by arranging the N voltage dividing modules. It is prevented that the second one to the N-th one of the first switches break down and fail due to overvoltage. By arranging an (i?1)-th clamp branch at a common node between an (i?1)-th second switch and an i-th second switch, a voltage bore by the i-th second switch is clamped at a difference between a voltage across the fourth branch (namely, an output voltage of the multi-level boost apparatus) and a voltage across the corresponding clamp branch. The risk is avoided that a second one to the N-th one of the second switches break down due to overvoltage at an instant of being powered, in a case that the input voltage is low.

Abstract: A pixel circuit, a method for driving the same, a display panel and a display device are provided. The pixel circuit includes: a resetting sub-circuit, a data writing sub-circuit, a driving sub-circuit, a first light-emission controlling sub-circuit, a second light-emission controlling sub-circuit, an anode potential controlling sub-circuit, a capacitor sub-circuit, and a light-emitting element, all of which operate in cooperation so that the pixel circuit drives the light-emitting element to emit light, where the second light-emission controlling sub-circuit provides voltage at an output terminal of the driving sub-circuit to an anode of the light-emitting element in a light-emission period, and the anode potential controlling sub-circuit provides a signal of a first voltage signal terminal to the anode of the light-emitting element in a non-light-emission period.

Abstract: A light guiding structure, a manufacturing method thereof, a light source assembly and a display device are provided. The light guiding structure includes a first light guiding layer including a light emitting surface and a first surface, and a second light guiding layer including a second surface. The light emitting surface includes a first inclined surface having a first angle with respect to the first surface. A second inclined surface is on a side of the second surface away from the first light guiding layer and has a second angle with respect to the second surface. Refractive indexes of the first and second light guiding layers are respectively n1 and n2, n1>n2; a direction of light, which enters the second light guiding layer after being reflected by the first inclined surface, and is incident to and reflected by the second inclined surface, is substantially perpendicular to the first surface.

Abstract: A multi-level boost apparatus. Voltage allocation among N first switches is achieved by connecting N voltage dividing modules, sequentially connected in series, in parallel with the N first voltage switches, respectively. Thereby, a voltage across each of the N first switches is within a safety range. Even if an input voltage is high and a voltage across a flying capacitor is zero at an instant of being powered, it is prevented that a second one to an N-th one of the N first switches break down due to overvoltage.

Abstract: Provided is an optical device, a method for manufacturing the same, and a display device. The optical device includes a chip substrate and a quantum dot film. The quantum dot film includes a quantum dot functional layer, a first package substrate, a second package substrate, and a prism structure and/or a uniform-light diffusing film.

Abstract: Provided are a light emitting module and a display apparatus. The light emitting module includes: a light emitting unit and a light guide plate; the light guide plate includes a first plate surface and a second plate surface opposite to each other, and a plurality of side surfaces; the light emitting unit is configured to emit light to the light guide plate from the target side surface; the first plate surface includes a plurality of target convex ridges disposed in sequence along a direction away from the light emitting unit; each target convex ridge is configured to totally reflect light emitted from the target side surface into the light guide plate to the second plate surface, angles between the target ridge surfaces of the plurality of target convex ridges and a thickness direction of the light guide plate tends to decrease.

Abstract: An organic light emitting display panel and a display device are provided. The organic light emitting display panel includes a substrate, a plurality of organic light emitting diode elements in an array on one side of the substrate, a phase compensation film on a side of the organic light emitting diode elements away from the substrate, and a circular polarizer on a side of the phase compensation film away from the organic light emitting diode elements, wherein the phase compensation film compensates for phase retardation amounts of the circular polarizer at all viewing angles, so that a phase retardation amount of light obliquely passing through the circular polarizer and the phase compensation film is substantially consistent with that of light perpendicularly passing through the circular polarizer and the phase compensation film.

Abstract: The present disclosure discloses a display panel, a display device and a manufacturing method of a display panel, in the field of display technology. The display panel includes a plurality of light-emitting unit groups. A light-transmitting region is between every two adjacent light-emitting unit groups. Each light-emitting unit group includes a light-shielding layer and a light-emitting unit. According to the display panel provided in the present disclosure, light emitted by the light-emitting unit can be viewed from on one side, and light emitted by the light-emitting unit cannot be emitted from the other side due to shielding by the light-shielding layer. Since the light-transmitting region exists, the other side is still transparent. Thus, the display panel can be combined with varied transparent components, which diversifies function of the display panel.

Abstract: The present invention discloses a lighting system, comprising: an emergency power supply assembly, a lighting assembly, at least one first electrical connection for connecting the emergency power supply assembly, and at least one second electrical connection for connecting the lighting assembly, wherein the at least one first electrical connector and the at least one second electrical connector work with each other to form a quick connection between the emergency power supply assembly and the lighting assembly. The present invention also discloses an emergency power supply assembly. The present invention further discloses a lighting assembly. The present invention also discloses a lighting system installation method.

Abstract: The present invention discloses a lighting system, comprising: an emergency power supply assembly, a lighting assembly, at least one first electrical connection for connecting the emergency power supply assembly, and at least one second electrical connection for connecting the lighting assembly, wherein the at least one first electrical connector and the at least one second electrical connector work with each other to form a quick connection between the emergency power supply assembly and the lighting assembly. The present invention also discloses an emergency power supply assembly. The present invention further discloses a lighting assembly. The present invention also discloses a lighting system installation method.