Abstract: The present invention relates to a graphene composite material and a preparation method thereof, wherein the preparation method of the graphene composite material comprises the steps of: providing a modification solution comprising a compound having catechol group, and a first solvent; adding a graphene material into the modification solution; and mixing the graphene material and the modification solution to form a graphene composite material.

Abstract: A test device and a rotation module thereof are provided. The rotation module includes a rotation body and a driving element. The rotation body includes a shaft, a position limiting element, a reciprocation element, and a rotation element. The shaft is pivoted in a housing. The position limiting element and the reciprocation element are telescoped on the shaft, respectively. The rotation element engages with the shaft and is located between the position limiting element and the reciprocation element. The driving element is slideably disposed in the housing and coupled to a groove of the reciprocation element. When the driving element moves back and forth, the driving element drives the reciprocation element to rotate back and forth relative to the position limiting element through the groove. The rotation element is pushed by the reciprocation element to rotate along a rotation direction relative to the position limiting element.

Abstract: A graphene film and a manufacturing method thereof are disclosed. A polymer solution and graphene flakes (such as graphene powder) are mixed to form liquid graphene. The liquid graphene is disposed, in batches, into a stirring device to be stirred uniformly by the stirring device. The stirred liquid graphene is coated on a substrate (such as a paper material) to form a graphene coating layer supported on the substrate. A drying device is used to remove liquid from the polymer solution. As such, the graphene flakes having a weak bonding force is first process to form liquid graphene, which is uniformly coated on a substrate to form a graphene film having a fixed shape and strong bonding force thereby integrally bonded to the substrate as a unitary structure. The graphene film has a structure in which the graphene flakes are stacked in the same direction to form a laminate.

Abstract: An injection device includes a housing, a plunger, and a heating unit. The plunger is slidably arranged within the housing thereby performing a plunging movement therein. The heating unit is disposed within the housing for generating a heat energy inside the housing such that a filling material inside the housing can be soften and be transformed into a movable filling material with viscosity by absorbing the heat energy from the heating unit.

Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.

Abstract: Methods and systems for communicating data between a network and devices of a vehicle are provided. A method includes: determining, by a processor, a value associated with a round trip time based on vehicle information; adjusting, by the processor, a size of a window used in communication with the network based on the value; and communicating data at least one of to and from the network based on the size of the window.

Abstract: A touch panel including a transparent substrate and a first sensing layer is provided. The transparent substrate has a first surface and a second surface opposite to the first surface. The second surface has a light exporting pattern. The first sensing layer is disposed on the first surface. An electronic apparatus with the touch panel is also provided.

Abstract: A holder for antenna testing includes a track base, an antenna carrying device, and at least one displacement-measuring member. The track base has a track platform and a track module disposed on the track platform. A longitudinal direction of the track module defines a displacing direction. The antenna carrying device is movably disposed on the track module along the displacing direction. The displacement-measuring member is movably disposed on the track platform along the displacing direction and is arranged outside the track module. The displacement-measuring member has a zero point and a distance scale counting from the zero point along the displacing direction. The displacement-measuring member is adjustable to align the zero point to the antenna carrying device.

Abstract: A glucose test device and its carrying unit are provided. The glucose test device includes a housing, the carrying unit, a first push rod, and a second push rod. The carrying unit is detachably assembled in the housing. The carrying unit includes a first cartridge, lancets, a second cartridge, and strips. The first cartridge has first perforated grooves, and the lancets are slidably disposed in the first perforated grooves respectively. The second cartridge is adjacent to the first cartridge, and the second cartridge has second perforated grooves. The strips are slidably disposed in the second perforated grooves respectively. The first push rod as corresponding to the first cartridge is movably disposed in the housing. The second push rod as corresponding to the second cartridge is movably disposed in the housing, wherein the first push rod is parallel to the second push rod.

Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.

Abstract: A liquid crystal display (LCD) monitor including an LCD display panel for displaying a frame, a timing controller for generating a polarity control signal and a latch signal, and a driving circuit including a plurality of source drivers, each of the plurality of source drivers including a comparison unit for comparing a common electrode voltage with a first and a second reference voltages to generate a comparison result, an enabling unit for generating an enabling signal according to the comparison result, a source driving signal and a reset signal, a horizontal dot inversion control unit for generating a horizontal dot inversion control signal according to the enabling signal, and a polarity control unit for generating a polarity inversion control signal and the reset signal according to the enabling signal, the polarity control signal and the latch signal.

Abstract: A liquid crystal display and a gate driver thereof are disclosed. The gate driver comprises a first output unit, a second output unit, a first counter, a second counter and a multiplex unit. The first counter counts a clock to control the first output unit to output odd gate driving signals according to a first start signal and a polarity signal. The second counter counts the clock to control the second output unit to output even gate driving signals according to a second start signal and the polarity signal. The multiplex unit selectively outputs the polarity signal to the first counter or the second counter.

Abstract: A graphene filtering sheet is disclosed. The sheet includes a reduced grapheme oxide (r-GO) dispersed in a polymer with the reduced grapheme oxide (r-GO) having a chemical structure with C/O ratio ranging from 0.1 to 50. The reduced grapheme oxide is obtained via hydrothermal method. The graphene filtering sheet has a capacity of separating alcohol from water with an efficiency approximated to 100%.

Abstract: A method for efficient wireless communications includes determining whether a first predetermined threshold value related to cell reselection is greater than a second predetermined threshold value related to cell measurement; and when the first predetermined threshold value is not greater than the second predetermined threshold value, determining not to perform cell measurement on a predetermined neighbor cell and determining to perform at least one radio activity instead in a predetermined period of time reserved for performing the cell measurement.

Abstract: Image capture methods and systems are provided. First, at least one identification data is received from at least one wearable electronic device via a wireless network, wherein the wearable electronic device actively broadcasts its identification data via the wireless network. Then, an image is captured using an image capture unit of an electronic device. When the image is captured, the at least one identification data and the image are associated, and the identification data and the image are automatically transmitted to a server via a network.

Abstract: The present invention discloses a semicrystalline polymer/graphene oxide composite film, comprising: a first semicrystalline-typed polymer, distributed in structural space of the composite film and having a porous structure; and graphene oxide, having a layered structure and distributed in the composite film wherein gas passage exist between adjacent layered structures, the first semicrystalline-typed polymer existing between part of adjacent layered structures forms into a second semicrystalline-typed polymer by further heat treatment after the first semicrystalline-typed polymer and graphene oxide are blended uniformly to be distributed in the composite film so as to fill and seal a portion of the porous structure to block gas from flowing to extend path length(s) of gas passage; wherein graphene oxide existing between the first semicrystalline-typed polymers induces formation of the second semicrystalline-typed polymer.

Abstract: The invention provides a transparent gas barrier composite film and its preparation method. The transparent gas barrier composite film is formed by having polyvinyl alcohol, graphene oxide and a crosslinking agent undergo blending, crosslinking, film casting and isothermal crystallization processes where a weight ratio of graphene oxide to polyvinyl alcohol is 0.1 wt %, graphene oxide induces crystallization of polyvinyl alcohol to form a hybrid structure compose of polyvinyl alcohol crystals, graphene oxide and the crosslinking agent, crystallinity of polyvinyl alcohol is more than 30%, transmittance of the composite film is more than 85%, and the oxygen transmission rate of the composite film is less than 0.005 cc/m2/day.

Abstract: The invention provides a moisture barrier composite film, formed by having a mixture of thermally reduced graphene and cyclic olefin copolymer be formed into a film and forming a hydrophilic surface layer on surfaces of the moisture barrier composite film by a hydrophilic agent; wherein a ratio of carbon atoms to oxygen atoms in thermally reduced graphene is more than 30 and the hydrophilic surface layer has a density of 0.01˜1.0 mg/cm2.

Abstract: A communications apparatus includes a radio frequency signal processing device, a baseband signal processing device, a memory device and a processor. The RF signal processing device processes RF signals to generate baseband signals. The baseband signal processing device processes the baseband signals. The processor determines whether a first predetermined threshold value related to cell reselection is greater than a second predetermined threshold value related to cell measurement, and performs cell measurement on a predetermined neighbor cell when the first predetermined threshold value is greater than the second predetermined threshold value.

Abstract: A holder for antenna testing includes a track base, an antenna carrying device, and at least one displacement-measuring member. The track base has a track platform and a track module disposed on the track platform. A longitudinal direction of the track module defines a displacing direction. The antenna carrying device is movably disposed on the track module along the displacing direction. The displacement-measuring member is movably disposed on the track platform along the displacing direction and is arranged outside the track module. The displacement-measuring member has a zero point and a distance scale counting from the zero point along the displacing direction. The displacement-measuring member is adjustable to align the zero point to the antenna carrying device.