Abstract: The technology of this application relates to an optical component constituting a fiber amplifier, a fiber amplifier, and a manufacturing method. The optical component is connected to a gain fiber by using a first fiber, or the optical component is directly connected to the gain fiber. The optical component is connected to one or more second optical components in the fiber amplifier by using a second fiber, and/or the optical component inputs an optical signal or outputs an optical signal amplified by the gain fiber by using the second fiber. Softening temperatures and/or refractive indexes of the first fiber and the second fiber are different, or softening temperatures and/or refractive indexes of the second fiber and the gain fiber are different.

Abstract: A tunable or swept laser architecture that is appropriate for swept source optical coherence tomography and other applications including spectroscopy employing a cat's-eye configuration with a preferably transmissive tilt tuned interference thin film filter.

Abstract: A holographic display includes an illuminator, a spatial light modulator (SLM) coupled to the illuminator, and an ocular lens coupled to the SLM. The illuminator provides a wide-area illuminating light beam to illuminate the SLM with a spatially homogeneous beam of light. The illuminator may include a slab waveguide with an evanescent out-coupler, or a beam expander based on a diffraction grating with an oblique angle of incidence and a near-normal angle of diffraction of the illuminating light. A low-pass spatial filter may be provided to filter out higher diffraction orders of the illuminating light diffracted on the SLM.

Abstract: A swappable battery and a swappable battery system for a near-eye device are described. In one aspect, the swappable battery may be detachably integrated into an outer surface of a near-eye device such that the swappable battery may be easily removable and replaceable by the user. In another aspect, the lid of the swappable battery may form an outer surface of the near-eye device when the swappable battery is attached. In some examples, the swappable battery may be detachably attached within a temple arm of a pair of smartglasses such that the outer surface of the swappable battery and the outer surface of the temple arm are substantially contiguous and flush.

Abstract: A sensor panel is overlaid on a display apparatus and connected to an integrated circuit that detects a position of an active pen in an active region of the display apparatus. The sensor panel includes first electrodes that extend in a first direction. The sensor panel also includes second electrodes that extend in a second direction. The first electrodes include first and second outer electrodes that are located at the outermost edges of the first electrodes and first inner electrodes disposed between the first and second outer electrodes. A width of at least one of the first and second outer electrodes in the second direction is smaller than a width of each of the first inner electrodes in the second direction.

Abstract: Examples enable a shared session for a collaborative platform where a user can elect to become a presenter of a shared session where the user can share their view state of a shared content of the collaborative platform. The recipients of the shared session can participate without navigating away or leaving the collaborative platform.

Abstract: A display panel, a method for gamma correction of a display panel and a device for gamma correction of a display panel are provided according to the present disclosure. The method for gamma correction includes: determining a target grayscale interval where the to-be-displayed grayscale is located and a target sub-frame corresponding to the target grayscale interval based on a to-be-displayed grayscale; correcting a gamma of the target grayscale interval including: in each of sub-frames other than the target sub-frame, providing a grayscale interval data signal to the sub-pixel, and in the target sub-frame, providing a data signal to the sub-pixel, and correcting based on collected optical data to obtain a calibration data signal. Further, a refresh period is divided into at least two sub-frames for gamma correction, and different sub-frames correspond to different grayscale intervals.

Abstract: This patent application relates to wearable ring device (101) to perform communication operation in wireless network. The wearable ring device comprises control unit (107), static component (105) and rotatable interface (103). The control unit comprises microcontroller, haptic controller and power source. Static component placed over control unit. The static component includes sensing element placed over outer surface of static component. Rotatable interface is mounted over static component and is rotatable over axis of static component. The rotatable interface includes notch, where notch is provided at inner surface of rotatable component. Further, when rotatable interface is rotated over static component, conductive notch comes in contact with sensing element.

Abstract: A vehicle input device comprises an operation detection section configured to detect input to an onboard unit allocated to one operation section of plural of operation sections provided in a vicinity of a driving seat due to the one operation section being operated, a preliminary action detection section configured to detect a preliminary action directly prior to the one operation section being operated, and a notification section configured to notify an occupant of information relating to the onboard unit allocated to the one operation section in a case in which the preliminary action has been detected by the preliminary action detection section.

Abstract: A display substrate includes an underlayer substrate and a circuit structure layer. The circuit structure layer is located in a display area of the underlayer substrate. The circuit structure layer includes at least one first circuit area and at least one second circuit area. The first circuit area includes at least one first gate drive circuit; the second circuit area includes at least one second gate drive circuit. The first gate drive circuit is cascaded with the second gate drive circuit. The first gate drive circuit includes a plurality of cascaded first gate drive units, and the second gate drive circuit includes a plurality of cascaded second gate drive units. A plurality of first gate drive units are sequentially arranged in a second direction, and a plurality of second gate drive units are sequentially arranged in the second direction.

Abstract: An electronic device includes a display panel having a display surface and a touch panel located above the display surface. The touch panel includes a substrate, first electrode series, and second electrode series. The first electrode series are disposed on the substrate and each include first electrode portions and connection portions each connecting adjacent two first electrode portions in series in a first direction. The second electrode series are disposed on the substrate and each include second electrode portions and second connection portions each connecting adjacent two second electrode portions in series in a second direction intersecting the first direction. Each first connection portion partially overlaps one second connection portion. The first electrode portions and the second electrode portions are disposed in parallel on the substrate. An area of each second electrode portion is larger than an area of each first electrode portion.

Abstract: Disclosed according to an embodiment of the present invention is a camera actuator comprising: a housing; a mover which is disposed in the housing; a tilting guide unit which is disposed between the housing and the mover; a driving unit which is disposed in the housing to drive the mover; an elastic member by which the tilting guide unit and the mover come into close contact with each other; and a damper member which is disposed between the elastic member and at least one of the mover and the housing.

Abstract: A display driving method includes receiving an image; calculating a distance between a current point and a current pixel for a sub-pixel of the image; calculating a weight based on a parameter; and compensating for distortion in the image based on the weight. A color of the sub-pixel may include at least one of red, green, or blue, and the parameter may include at least one of a distance parameter, a distortion parameter, or a sub-pixel parameter.

Abstract: Embodiments of this application disclose a display method and an electronic device. A specific solution is as follows: The electronic device receives a first operation performed by a user to trigger the electronic device to display a first interface, where the first interface is an interface corresponding to a first application, and the first interface includes a plurality of elements; in response to the first operation, the electronic device determines a reference element from the plurality of elements and a reference point, where the reference element is an element with a smallest area in the plurality of elements, and the reference point is a center of an element circle established by the electronic device; the electronic device determines a plurality of element circles based on the reference element and the reference point; and the electronic device separately displays the plurality of element circles based on a first interval time.

Abstract: An electronic paper display device includes a first base substrate, and a plurality of sub-pixels on the first base substrate. Each sub-pixel includes: a first electrode on the first base substrate; a second electrode on the first electrode and including a plurality of grooves passing through thereof, the orthographic projection of the grooves on the first base substrate falling within the orthographic projection of the first electrode on the first base substrate; a microstructure on the side of the second electrode away from the first base substrate and including a paper film microcavity and a plurality of charged particles in the paper film microcavity, where the plurality of charged particles include a plurality of first color charged particles and a plurality of second color charged particles with opposite electrical properties; and a third electrode on the side of the microstructure away from the second electrode.

Abstract: An apparatus for remote controlled physical activity monitoring, the apparatus comprising: at least one orientation measurer, wearable on at least one body part of a user, configured to measure orientation of a body part wearing the orientation measurer during a physical activity of the user, at least one pressure meter, wearable on at least one body part of the user, configured to measure pressure applied by muscle of a body part wearing the pressure meter during the physical activity of the user, a computer processor, associated with the orientation measurer and pressure meter, configured to derive monitoring control data from the measured orientation and pressure, and a data transmitter, associated with the computer processor, configured to transmit the monitoring control data to a physical activity monitoring device, and thereby to remotely control a monitoring of the physical activity of the user by the physical activity monitoring device.

Abstract: A motion-capture head module for tracking a head pose of a user comprising: a headband for attaching to a head of the user; a post extending from the headband; and at least three markers, wherein each marker is coupled to the post by a respective one of at least three branching members extending from the post, such that the at least three markers have a first fixed geometrical relationship with respect to each other.

Abstract: An auxiliary measurement display device, comprises a communication interface configured to receive incoming measurement-related data and transmit outgoing measurement-related data, a display configured to display measurement information, a user interface configured to receive user input, and a controller coupled to the communication interface and the display and the user interface, wherein the controller is configured to control the display to display the measurement information based on the incoming measurement-related data, and wherein the controller is configured to generate the outgoing measurement-related data based on the received user input and transmit the outgoing measurement-related data via the communication interface. In addition, the present disclosure provides a respective computer program product, a measurement server, a respective measurement system and a respective method.

Abstract: A display device is disclosed that is capable of enhancing light extraction efficiency and lower power driving through high luminance characteristics. The display device includes an insulation layer positioned on a substrate and including at least one concave portion including a flat portion and an inclined portion surrounding the flat portion in one subpixel. The display device further includes a bank layer positioned on the insulation layer and including an opening area in the subpixel where the opening area is surrounded by the inclined portion, and where a center point of an area of the concave portion does not overlap a center point of the opening area of the bank layer.

Abstract: A method and an apparatus for displaying an operation interface, and a touchscreen terminal, where the method includes: receiving a first pull-down operation in a first set area on a touchscreen; displaying a first operating interface; receiving a second pull-down operation in the second set area on a touchscreen; displaying a second operating interface, wherein display width of the second operating interface is the same as display width of the first operating interface, which is the same as width of the touchscreen.