Abstract: A rechargeable power system comprising: a drill string configured to operate in a well bore, the drill string comprising: a fuel cell system; a generator in electrical communication with the fuel cell system; a turbine, configured to rotate due to an impingement of drilling mud on one or more turbine blades, the turbine in operable communication with the generator; and where the fuel cell system is configured to provide power at least when drilling mud is not circulating in the well bore, and further configured to be recharged by the generator when drilling mud is circulating in the well bore. A method for operating a rechargeable downhole fuel cell. The method comprises: monitoring a fluid supply pressure; determining whether the fluid supply pressure is below a threshold value; and stopping a fuel cell discharge if the fluid supply pressure is below the threshold value.

Abstract: An optical detector includes a stacked structure, an active layer, a gate insulating layer, and a gate electrode. The stacked structure includes a first electrode, a photoelectric conversion layer, a second electrode, a first insulating layer, and a third electrode. The active layer is electrically coupled to one of the first electrode or the second electrode, and electrically coupled to the third electrode. The gate insulating layer is arranged on the active layer. The gate electrode is arranged on the gate insulating layer.

Abstract: A ripple pre-amplification based fully integrated LDO pertains to the technical field of power management. The positive input terminal of a transconductance amplifier is connected to a reference voltage Vref, and the negative input terminal of the transconductance amplifier is connected to the feedback voltage Vfb. The output terminal of the transconductance amplifier is connected to the negative input terminal of a transimpedance amplifier and the negative input terminal of an error amplifier. The positive input terminal of the transimpedance amplifier is connected to the ground GND, and the output terminal of the transimpedance amplifier is connected to the positive input terminal of the error amplifier. The gate terminal of the power transistor MP is connected to the output terminal of the error amplifier, the source terminal of the power transistor MP is connected to an input voltage VIN, and the drain terminal of the power transistor MP is grounded.

Abstract: A rechargeable power system comprising: a drill string configured to operate in a well bore, the drill string comprising: a fuel cell system; a generator in electrical communication with the fuel cell system; a turbine, configured to rotate due to an impingement of drilling mud on one or more turbine blades, the turbine in operable communication with the generator; and where the fuel cell system is configured to provide power at least when drilling mud is not circulating in the well bore, and further configured to be recharged by the generator when drilling mud is circulating in the well bore. A method for operating a rechargeable downhole fuel cell. The method comprises: monitoring a fluid supply pressure; determining whether the fluid supply pressure is below a threshold value; and stopping a fuel cell discharge if the fluid supply pressure is below the threshold value.

Abstract: Described herein is an apparatus and methods for characterizing a fluid composition including exposing electrolyte to one fluid mixture, collecting a signal from an electrode in contact with the electrolyte, and simultaneously exposing the electrolyte to a second fluid, collecting a signal from a second electrode in contact with the electrolyte exposed to the second fluid, and comparing the signal difference between the electrodes with the Nerst equation wherein the temperature of the electrolyte is above 488° C. Carbon dioxide, nitrogen, and/or oxygen may be present in the fluid and/or the second fluid.

Abstract: The present application discloses an array substrate comprising an active layer; and a plurality of touch electrodes in a same layer as the active layer.

Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate comprises a plurality of pixel unit regions each including a thin-film transistor (TFTs) and a pixel electrode. A first insulating layer provided with a first through hole and a second through hole is formed between an active layer of the TFT and the pixel electrode. A source electrode of the TFT is connected with the active layer through the first through hole. A drain electrode of the TFT is lapped onto the pixel electrode and connected with the active layer through the second through hole. The array substrate can prevent the oxidization of metal such as copper in the process of patterning a transparent conductive film.

Abstract: Described herein is an apparatus and methods for characterizing a fluid composition including exposing electrolyte to one fluid mixture, collecting a signal from an electrode in contact with the electrolyte, and simultaneously exposing the electrolyte to a second fluid, collecting a signal from a second electrode in contact with the electrolyte exposed to the second fluid, and comparing the signal difference between the electrodes with the Nerst equation wherein the temperature of the electrolyte is above 488° C. Carbon dioxide, nitrogen, and/or oxygen may be present in the fluid and/or the second fluid.

Abstract: A thin film transistor and a fabrication method thereof, and a display device are provided. The thin film transistor comprises an active layer, wherein, a target oxide is formed at a portion of the active layer where an oxygen content is higher than oxygen contents of other portions of the active layer, and a carrier mobility of the target oxide is greater than that of other portions of the active layer.

Abstract: Methods for managing a local Terminal Equipment (TE) accessing a network are provided. In accordance with this disclosure, the MT will not send the key(s) information to the TE until having received a notice of successful authentication from the TE or having decided that the message forwarded by the TE is a response message of successful authentication, which makes the procedure more reasonable and saves the network resources the method further includes a management list containing the identities of local TEs on the basis of the modified procedure.

Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate comprises a plurality of pixel unit regions each including a thin-film transistor (TFTs) and a pixel electrode. A first insulating layer provided with a first through hole and a second through hole is formed between an active layer of the TFT and the pixel electrode. A source electrode of the TFT is connected with the active layer through the first through hole. A drain electrode of the TFT is lapped onto the pixel electrode and connected with the active layer through the second through hole. The array substrate can prevent the oxidization of metal such as copper in the process of patterning a transparent conductive film.

Abstract: A touch organic light emitting diode (OLED) display device, including: a thin film transistor formed on one side of a substrate, a touch signal feedback layer formed on the thin film transistor, a luminous substrate provided on the touch signal feedback layer, and a touch signal receiving layer formed on the other side of the substrate. An anode layer of the luminous substrate is connected to a drain electrode of the thin film transistor. As to the touch-sensitive OLED display device, a touch screen and an OLED display portion are prepared integratedly, so that the weight and thickness of the display itself are greatly reduced, and the production cost is saved. A manufacturing method of the touch-sensitive OLED display device is further disclosed.

Abstract: The present invention relates to the field of display technology, and particularly to a double-sided touch display device which comprises a touch feedback electrode, a first touch receiving electrode and a second touch receiving electrode, wherein the first touch receiving electrode and the second touch receiving electrode are provided at both sides of the touch feedback electrode, respectively. The double-sided touch display device achieve functions of both double-sided touch and transparent display, and has a simple structure and low production cost.

Abstract: The invention provides a method and apparatus for controlling an optical network unit to restart upon completion of downloading new software. Upon completion of downloading a new software version, an optical network terminal firstly determines a type of an active image request to be transmitted based upon stored values, of a RstDelayTimeRange attribute and of a RstDelayTrafficThreshold attribute, corresponding to the optical network unit, and then transmits the active image request to the optical network unit. The determined active image request may be a first active image request to instruct the optical network unit to immediately restart and activate the new software version that has been downloaded, or may be a second active image request to instruct the optical network unit to set an activation flag and a third active image request to instruct the optical network unit to immediately restart, both of which are used in combination.

Abstract: The present application discloses an array substrate comprising an active layer; and a plurality of touch electrodes in a same layer as the active layer.

Abstract: A thin film transistor and a fabrication method thereof, and a display device are provided. The thin film transistor comprises an active layer, wherein, a target oxide is formed at a portion of the active layer where an oxygen content is higher than oxygen contents of other portions of the active layer, and a carrier mobility of the target oxide is greater than that of other portions of the active layer.

Abstract: A rechargeable power system comprising: a drill string configured to operate in a well bore, the drill string comprising: a fuel cell system; a generator in electrical communication with the fuel cell system; a turbine, configured to rotate due to an impingement of drilling mud on one or more turbine blades, the turbine in operable communication with the generator; and where the fuel cell system is configured to provide power at least when drilling mud is not circulating in the well bore, and further configured to be recharged by the generator when drilling mud is circulating in the well bore. A method for operating a rechargeable downhole fuel cell. The method comprises: monitoring a fluid supply pressure; determining whether the fluid supply pressure is below a threshold value; and stopping a fuel cell discharge if the fluid supply pressure is below the threshold value.

Abstract: The present application relates to a user accessing to a visited network in a wireless telecommunication network. After receiving an access request from the user for selecting a visited network and detecting the visited network selected by the user has changed, an AAA server device initiates a request for obtaining authentication and/or authorization information of the user from a HSS. In the process of obtaining the authentication and/or authorization information, the HSS checks whether the user is authorized to access to the visited network according to a list of authorized visited networks stored in the HSS.

Abstract: A rechargeable power system comprising: a drill string configured to operate in a well bore, the drill string comprising: a fuel cell system; a generator in electrical communication with the fuel cell system; a turbine, configured to rotate due to an impingement of drilling mud on one or more turbine blades, the turbine in operable communication with the generator; and where the fuel cell system is configured to provide power at least when drilling mud is not circulating in the well bore, and further configured to be recharged by the generator when drilling mud is circulating in the well bore. A method for operating a rechargeable downhole fuel cell. The method comprises: monitoring a fluid supply pressure; determining whether the fluid supply pressure is below a threshold value; and stopping a fuel cell discharge if the fluid supply pressure is below the threshold value.

Abstract: An electrochemical device, such as a battery or power source, provides improved performance under stringent or extreme conditions. Such an electrochemical device for use in high temperature conditions may include at least a cathode, a lithium-based anode, a separator, and an ionic liquid electrolyte. This device also may include a current collector and housing that are electrochemically inert with respect to other components of the device. This electrochemical device may operate at temperatures ranging from 0 to 180, 200, 220, 240, and 260° C.