Abstract: A virtual reality device, a method for adjusting focal lengths automatically, a method for producing the virtual reality device and a computer readable medium are provided. The virtual reality device includes: at least one imaging device comprising an imaging portion and an elastic micro lens array, the elastic micro lens array being arranged at a light incident side of the imaging portion and configured to modulate an incident light, the imaging portion being configured to receive the incident light modulated by the elastic micro lens array and to convert intensity of the incident light into an electrical imaging signal; and a display device configured to generate a visual image from the electrical imaging signal outputted by the imaging portion, wherein the elastic micro lens array has lenses which have independently adjustable focal lengths.

Abstract: The present disclosure relates to a method for scanning a patient in an imaging system. The imaging system may include one or more cameras directed at the patient. The method may include obtaining a position of each of the camera(s) relative to the imaging system. The method may also include obtain image data of the patient captured by the camera(s), wherein the image data may correspond to a first view with respect to the patient. The method may further include generating projection image data of the patient based on the image data and the position of each of the camera(s) relative to the imaging system, wherein the projection image data may correspond to a second view with respect to the patient different from the first view. The method may further include generating control information for scanning the patient based on the projection image data of the patient.

Abstract: The present disclosure relates to systems and methods for scanning a patient in an imaging system. The imaging system may include at least one camera directed at the patient. The systems and methods may obtain a plurality of images of the patient that are captured by the at least one camera. Each of the plurality of images may correspond to one of a series of time points. The systems and methods may also determine a motion of the patient over the series of time points based on the plurality of images of the patient. The systems and methods may further determine whether the patient is ready for scan based on the motion of the patient, and generate control information of the imaging system for scanning the patient in response to determining that the patient is ready for scan.

Abstract: The present disclosure relates to a positioning system suitable for use in an imaging system. The positioning system may include one or more cameras configured to capture images or videos of an imaging object and surrounding environment thereof for ROI targeting or patient position recognition. The positioning system may also include one or more position probes and sources configured to determine an instant location of an imaging object or an ROI thereof in a non-contact manner.

Abstract: A splicing screen includes: at least two display panels spliced together, each display panel having a display surface; a curved area bending towards a back side of the display surface at a splicing area; and a substantially flat area; a transparent cover disposed at a side of the display surface and covering at least the curved area of each display panel; and a plurality of support portions between the transparent cover and the curved area of each of the display panels and forming a plurality of meshes extending from the display panel to the transparent cover, an inner wall of each mesh having a reflective surface.

Abstract: A gas turbine including a fan platform positioned between adjacent fan blades of a fan of the gas turbine engine is provided. The fan platform defines an outer surface that at least partially defines an inner flowpath boundary of the fan. Additionally, the fan platform includes at least two components attached to one another. At least one of the components of the fan platform defines an enclosed void. An insert is positioned within the enclosed void formed of a material defining a relatively low Young's modulus. The insert may prevent resin from filling the enclosed void during assembly/manufacture of the fan platform, while also reducing a weight of the fan platform and an amount of stress on the fan platform.

Abstract: A virtual reality device, a method for adjusting focal lengths automatically, a method for producing the virtual reality device and a computer readable medium are provided. The virtual reality device includes: at least one imaging device comprising an imaging portion and an elastic micro lens array, the elastic micro lens array being arranged at a light incident side of the imaging portion and configured to modulate an incident light, the imaging portion being configured to receive the incident light modulated by the elastic micro lens array and to convert intensity of the incident light into an electrical imaging signal; and a display device configured to generate a visual image from the electrical imaging signal outputted by the imaging portion, wherein the elastic micro lens array has lenses which have independently adjustable focal lengths.

Abstract: A sealing member for a gas turbine engine is provided. The sealing member comprises a body portion configured to be positioned between at least a portion of a fan blade of the gas turbine engine and at least a portion of a fan platform disposed between adjacent fan blades for providing seal between the fan blade and the fan platform.

Abstract: This invention provides an inorganic coating-protected unitary graphene material article for concentrated photovoltaic cell heat dissipation. The article comprises at least a layer of unitary graphene material having two primary surfaces and an electrically non-conducting layer of inorganic coating deposited on at least one of the primary surfaces, wherein the unitary graphene material is obtained from heat-treating a graphene oxide gel at a heat treatment temperature higher than 100° C. and contains chemically bonded graphene molecules or chemically merged graphene planes having an inter-graphene spacing no greater than 0.40 nm, preferably less than 0.337 nm, and most preferably less than 0.3346 nm.

Abstract: An electronic ink sealing chamber, a manufacturing method thereof and a display device are provided. The electronic ink sealing chamber includes: a housing and electronic ink sealed inside the housing, a plurality of electrode groups being provided on inner sides of the housing, each of the electrode groups including a first electrode and a second electrode provided opposite to the first electrode, a connection line between a center of the first electrode and a center of the second electrode of each of the electrode groups being a line of centers, and any two of lines of centers of the plurality of electrode groups being not parallel to each other. When these lines of centers are in a same plane, they are intersected with each other.

Abstract: The present disclosure provides a fingerprint identification apparatus and a manufacturing method thereof, as well as a display device comprising the fingerprint identification apparatus. The fingerprint identification apparatus comprises a plurality of identification elements, each comprising a first identification unit. The first identification unit comprises a first temperature sensitive hydrophilic/hydrophobic conversion layer, a lower electrode, a sealing layer, an electrically conductive droplet sandwiched between the first temperature sensitive hydrophilic-hydrophobic conversion layer and the lower electrode and enclosed by the sealing layer, and an upper electrode that is at least partially immersed in the electrically conductive droplet and is not in direct contact with the lower electrode.

Abstract: A splicing screen includes: at least two display panels spliced together, each display panel having a display surface; a curved area bending towards a back side of the display surface at a splicing area; and a substantially flat area; a transparent cover disposed at a side of the display surface and covering at least the curved area of each display panel; and a plurality of support portions between the transparent cover and the curved area of each of the display panels and forming a plurality of meshes extending from the display panel to the transparent cover, an inner wall of each mesh having a reflective surface.

Abstract: A heat dissipation system, comprising: (a) an electronic device comprising a heat source, wherein the heat source transmits heat to a second component or an external surface of the device; (b) a heat-conducting layer being positioned such that one of its major surfaces is in operative contact with the heat source such that it is interposed between the heat source and the second component or the external surface. The heat-conducting layer comprises at least one graphene oxide-coated graphitic foil laminate which thermally shields the second component or the external surface from heat generated by the heat source, and wherein the laminate is composed of a graphitic substrate/core layer with at least one primary surface coated with a graphene oxide coating layer. This graphene oxide-coated laminate exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface hardness, and scratch resistance, making this the most effective heat dissipation system.

Abstract: In a touch module, a ultrasonic wave emitted by the ultrasonic generator undergoes a total reflection in the third substrate. When a location of the second substrate is pressed to contact a location of the third substrate, a part of the ultrasonic wave undergoing the total reflection in the third substrate escapes out of the third substrate, and an intensity of the ultrasonic wave received by the ultrasonic receiver, corresponding to a contacted location on the third substrate, becomes weak, and a pressed location on the second substrate is determined by detecting a condition where the intensity of the ultrasonic wave received by the ultrasonic receiver becomes weak during loading a touch scan signal in turn on the touch scanning lines.

Abstract: The present disclosure provides a fingerprint recognition device, a manufacturing method thereof, and a liquid crystal display comprising a fingerprint recognition device. The fingerprint recognition device comprises: a recognition element; a light-reflecting element arranged above the recognition element; and a temperature-sensitive liquid crystal layer arranged between the recognition element and the light-reflecting element. The recognition element comprises a plurality of recognition units, each of which includes a light-emitting sub-unit and a photosensitive sub-unit.

Abstract: The present disclosure provides a fingerprint identification apparatus and a manufacturing method thereof, as well as a display device comprising the fingerprint identification apparatus. The fingerprint identification apparatus comprises a plurality of identification elements, each comprising a first identification unit. The first identification unit comprises a first temperature sensitive hydrophilic/hydrophobic conversion layer, a lower electrode, a sealing layer, an electrically conductive droplet sandwiched between the first temperature sensitive hydrophilic-hydrophobic conversion layer and the lower electrode and enclosed by the sealing layer, and an upper electrode that is at least partially immersed in the electrically conductive droplet and is not in direct contact with the lower electrode.

Abstract: A display substrate for a display device. The display substrate may comprise a plurality of pixel regions (100). Each of the pixel regions (100) may comprise a reflective film layer (3) on a base substrate (10), a transflective layer (1) at a distance from the reflective film layer (3), and a first spacer layer (2-1) between the reflective film layer (3) and the transflective layer (1). The first spacer layer (2-1) has two operation modes: a transmission mode and a reflection mode.

Abstract: The present disclosure provides a method and apparatus for adjusting a screen refresh frequency and a display. The method comprises: acquiring and storing a current frame of picture signal; calculating a similarity value between the current frame of picture signal and a previous frame of picture signal; and acquiring a screen refresh frequency for the current frame of picture signal based on the similarity value according to a preset relationship between similarity values and screen refresh frequencies, so as to realize adjustment of the screen refresh frequency.

Abstract: An electronic ink sealing chamber, a manufacturing method thereof and a display device are provided. The electronic ink sealing chamber includes: a housing and electronic ink sealed inside the housing, a plurality of electrode groups being provided on inner sides of the housing, each of the electrode groups including a first electrode and a second electrode provided opposite to the first electrode, a connection line between a center of the first electrode and a center of the second electrode of each of the electrode groups being a line of centers, and any two of lines of centers of the plurality of electrode groups being not parallel to each other. When these lines of centers are in a same plane, they are intersected with each other.

Abstract: In a touch module, a ultrasonic wave emitted by the ultrasonic generator undergoes a total reflection in the third substrate. When a location of the second substrate is pressed to contact a location of the third substrate, a part of the ultrasonic wave undergoing the total reflection in the third substrate escapes out of the third substrate, and an intensity of the ultrasonic wave received by the ultrasonic receiver, corresponding to a contacted location on the third substrate, becomes weak, and a pressed location on the second substrate is determined by detecting a condition where the intensity of the ultrasonic wave received by the ultrasonic receiver becomes weak during loading a touch scan signal in turn on the touch scanning lines.