Abstract: A flight device including a device main body and a plurality of lift force providing modules is provided. The lift force providing modules are connected to the device main body. Each of the lift force providing modules includes two propellers, and each of the propellers rotates to lift the device main body. Two propellers of each of the lift force providing modules may rotate around the same rotation axis. The flight device has an enhanced lift force and good efficiency in lifting, and the flight device has a reduced device volume and improved flight reliability.

Abstract: A source to facilitate precise vapor deposition in processes to obtain organic light emitting diodes (OLEDs) in a display panel, includes forming a plurality of grooves on a first substrate; in filling organic light emitting materials into the grooves and providing a second substrate to receive the vaporized organic light emitting materials. The first substrate is aligned with the second substrate and the first substrate is heated to vaporize the organic light emitting materials in the grooves. The vapor deposition regions of the second substrate form an organic light emitting material layer after the deposition, the layer can then be used in an OLED display panel. The shadow effect is greatly reduced, a method for the procedure is also disclosed.

Abstract: An unmanned aerial vehicle includes a body, a plurality of cantilevers and a plurality of driving components. Each cantilever has a first end and a second end. Each first end is opposite to the corresponding second end. The first ends are connected to the body. The driving components are respectively connected to the second ends of the cantilevers. Each driving component includes a motor and a plurality of paddles. The motor has a shaft. The propeller is connected to the shaft and includes a balance disc and a plurality of paddles. The balance disc is connected to the motor. The paddles are connected to the balance disc. The balance disc has a plurality of counterweight holes. The counterweight holes are used to be disposed with the at least one counterweight block. A propeller is also provided.

Abstract: An unmanned aerial vehicle, an unmanned aerial vehicle control center and an unmanned aerial vehicle alarm method are provided. The unmanned aerial vehicle includes a motor and a control circuit board. The control circuit board is adapted to read a real-time drive current value and/or a real-time rotational speed value of the motor and transmitting warning related information. The unmanned aerial vehicle control center is adapted to conduct a warning according to the warning related information and adapted to a backup and storage of data. The unmanned aerial vehicle alarm method includes that the unmanned aerial vehicle is made to read the real-time drive current value and/or the real-time rotational speed value at the time of a motor operation and to transmit the warning related information to the unmanned aerial vehicle control center.

Abstract: A platform, adapted to accommodate a UAV (Unmanned Aerial Vehicle), includes a base and a cover. The base includes a first connection port and a power source, and the power source is coupled to the first connection port including a first connection electrode and a second connection electrode. The cover includes at least one fan and a second connection port corresponding to the first connection port of the base, the at least one fan is coupled to the second connection port, and the second connection port includes a first contact electrode and a second contact electrode. The cover is connected to the base and moves between an open position and a closed position relative to the base. The first connection port is connected to the second connection port when the cover is at the closed position, and the power source provides power to the at least one fan.

Abstract: A method of manufacturing a light-emitting device is disclosed. The method includes providing a light-emitting diode wafer, including a substrate and a semiconductor stack on the substrate, wherein the semiconductor stack has a lower surface facing the substrate and an upper surface opposite to the lower surface; providing a first laser on the light-emitting diode wafer and irradiating the light-emitting diode wafer from the upper surface to form a plurality of scribing lines on the upper surface; providing an etching process; providing and focusing a second laser on an interior of the substrate to form one or a plurality of textured areas in the substrate; and providing force on the light-emitting diode wafer to separate the light-emitting diode wafer into a plurality of light-emitting diode chips along the plurality of scribing lines.

Abstract: A display device comprised of OLEDs and micro LEDs which allows for blue light degradation of the OLEDs includes a first substrate and a second substrate in a double-decked configuration. First light emitting elements are located and spaced on the first substrate and second light emitting elements are located and spaced on the second substrate, the light emitting elements on the lower deck being staggered so as not to be hidden by the light emitting elements on the upper deck. The upper deck has openings (or is transparent) therein to allow egress of light from the light emitting elements of the lower deck. The display device provides a solution for uneven display cause by degradation of pixels.

Abstract: A manufacturing method of light-emitting device is disclosed. The method includes providing an LED wafer comprising a substrate and a semiconductor stack formed on the substrate, wherein the semiconductor stack has a lower surface facing the substrate and an upper surface opposite to the lower surface; providing a first laser to the LED wafer and irradiating the LED wafer from the upper surface to form a plurality of scribing lines on the upper surface; providing and focusing a second laser on an interior of the substrate to form a plurality of textured areas in the substrate; and providing force on the LED wafer to separate the LED wafer into a plurality of LED chips.

Abstract: A rotating apparatus includes a rotating assembly and a position-limiting assembly. The rotating assembly includes a driving unit and at least one rotating component. The driving unit is adapted to drive the rotating component to rotate with a first axis. The position-limiting assembly includes a position-limiting component, at least one first column, and a buckling component. The position-limiting assembly is disposed on the rotating assembly and is adapted to limit a position of the rotating component. The first column is connected to the position-limiting component. The position-limiting component is located between the rotating component and the buckling component and is able to move along the first axis. The buckling component is movably disposed on the position-limiting component and has at least one buckling portion. The buckling portion is adapted to be buckled to the first column or move away from the first column.

Abstract: A graphics processing unit (GPU) renders graphical objects into a group of pixels and stores the pixels in an on-chip buffer on the same chip as the GPU. Each pixel has an alpha value that indicates transparency of the pixel. The GPU reads the alpha value of each pixel from the on-chip buffer. According to alpha values of the group of pixels, the GPU generates an alpha hint in the system memory for the group of pixels. The alpha hint represents an aggregate of the alpha values of the group of pixels. The GPU then stores the group of pixels into a frame buffer in the system memory.

Abstract: A charge device for a drone includes a base and a covering mechanism. The base has a charge portion. The covering mechanism includes two covers, two first position-limiting components and two second position-limiting components. The two covers are movably disposed on the base. The covers are adapted to move toward each other to become a closed state and cover the charge portion, and the covers are adapted to move away from each other to become an expanded state and expose the charge portion. The first position-limiting components are connected to the covers respectively. Each of the second position-limiting components is connected between the covers. When the covers are in the closed state, the first position-limiting components and the second position-limiting components are located above the charge portion. When the covers are in the expanded state, the first position-limiting components and the second position-limiting components are away from the charge portion.

Abstract: A charge device for a drone includes a base and a covering mechanism. The base has a charge portion. The covering mechanism includes two covers, two first position-limiting components and two second position-limiting components. The two covers are movably disposed on the base. The covers are adapted to move toward each other to become a closed state and cover the charge portion, and the covers are adapted to move away from each other to become an expanded state and expose the charge portion. The first position-limiting components are connected to the covers respectively. Each of the second position-limiting components is connected between the covers. When the covers are in the closed state, the first position-limiting components and the second position-limiting components are located above the charge portion. When the covers are in the expanded state, the first position-limiting components and the second position-limiting components are away from the charge portion.

Abstract: A graphics system provides frame difference generator hardware for dynamically adjusting a frame rate. The graphics system includes a graphics processing unit (GPU), which generates frames containing tiles of graphics data. The frame difference generator hardware receives the graphics data of a tile of a current frame from the GPU, in parallel with a frame buffer that also receives the graphics data. The frame difference generator hardware computes a difference value between a first value computed from the graphics data and a second value representing a corresponding tile of a previous frame, and accumulates difference values computed from multiple tiles of the current frame and the previous frame to obtain an accumulated value. The accumulated value is reported to software executed by the graphics system for determination of an adjustment to the frame rate.

Abstract: The present invention provides smart bed systems and the operating methods of the smart bed systems. The smart bed systems detect physiological data and sleeping quality with optical fibers which with strong resistance to electromagnetic interference. The smart bed systems do not require the users to wear any wearable devices. The smart bed systems also provide several functions, such as automatic night light, vibration-based alarm, anti-snoring assistance, and scenario-based appliance controls.

Abstract: The present invention relates to a colored metal film comprising a metal article and a plurality of pores. The plurality of pores further comprises a high layer, an intermediate layer, and a low layer, in which the three layers together forms an embossed image. The present invention also relates to a method of manufacturing colored metal films. The method is used to manufacture a flat image or an embossed image on a metal article. The method comprises a finishing process, a first coating process, a color adjustment, a first printing process, an etching process, a second coating process, a second printing process, a sealing process, and a cleaning process.

Abstract: An aerial vehicle and a propeller thereof are provided. The propeller includes a hub and at least one blade. The hub is rotatable about a shaft, and the blade is mounted to the hub. The blade extends from the hub to a tip along a first direction and has a leading edge and a tailing edge opposite to the leading edge. The blade has a section along a second direction in an arbitrary position along the first direction. The second direction is perpendicular to the first direction. A section of the blade in a first position along the first direction has a first peak value of chord length, and a section of the blade in a second position along the first direction has a second peak value of chord length. The second position is between the first position and the tip.

Abstract: A flight device includes a device body with a surface, a plurality of arm structures disposed in the device body and a plurality of rotor modules disposed to the arm structures respectively. Each arm structure includes a fixing base, a second screw element, a connecting unit, a rod body and a position-limiting element. The fixing base is disposed in the device body and includes a first screw element having a first screw part. The second screw element has a second screw part matched with the first screw part. The connecting unit drills through the second screw element. The connecting unit is locked to the fixing base by screwing the first and second screw parts with each other. The rod body drills through the connecting unit. The position-limiting element is disposed between the second screw element and the connecting unit. The position-limiting element abuts against the second screw element.

Abstract: A computer program product stored in a non-transitory storage device of an integrated circuit (IC) timing analysis device includes: a netlist reading module for reading a netlist of an integrated circuit; a signal path analysis module for analyzing signal paths of a clock signal to generate a simplified netlist of the integrated circuit; a clock delay calculating module for calculating clock delays of the clock signal respectively corresponding to the signal paths.

Abstract: A simulation method for a mixed-signal circuit system includes: detecting a plurality of registers and a clock signal included in the mixed-signal circuit system; performing a timing analysis converting operation upon a circuit block coupled between any two register of the plurality of registers to obtain a converted circuit system; and performing a Static Timing Analysis operation upon the converted circuit system; wherein when the circuit block is convertible into a combinational circuit block, the timing analysis converting operation includes: converting the circuit block to the combinational circuit block, wherein the combinational circuit block is logic gate-level.

Abstract: A manufacturing method of light-emitting device is disclosed. The method includes providing an LED wafer comprising a substrate and a semiconductor stack formed on the substrate, wherein the semiconductor stack has a lower surface facing the substrate and an upper surface opposite to the lower surface; providing a first laser to the LED wafer and irradiating the LED wafer from the upper surface to form a plurality of scribing lines on the upper surface; providing and focusing a second laser on an interior of the substrate to form a plurality of textured areas in the substrate; and providing force on the LED wafer to separate the LED wafer into a plurality of LED chips.