Abstract: The present invention provides a structure of short-throw ambient light rejecting screen, which comprises a base and an optical structure device disposed on the base. The optical structure device includes a plurality of optical structure parts. Each of the plurality of optical structure parts includes a first side, a second side, and a base part. The first side and the base form a first angle for reflecting a light source. The second side and the base form a second angle for absorbing a light source. The base part is a length on the base confined by first side and the second side. The first angle is 20˜40 degrees. The second angle is 70˜90 degrees. The length on the base part is 250˜350 um. By adjusting the first angle, the second angle, and the length on the base part of each optical structure part, the height of the optical structure part can be maintained constant. In addition, the differences between the incident projection angles can be reduced as well.

Abstract: An optical element includes a prism and a light blocking member. The prism has a first surface, a second surface and a third surface. The first surface is connected to the second surface. The third surface is connected between the first and second surfaces and opposite to a light valve of a projection device. The first surface reflects an image light beam from the light valve to allow the image light beam to pass through the second surface. The light blocking member is disposed on the prism and includes a first light blocking portion and a second light blocking portion adjacent to each other. The first light blocking portion shields a part of the first surface adjacent to the second surface, and the second light blocking portion shields a part of the second surface adjacent to the first surface. A projection device using the optical element is also provided.

Abstract: A movable embedded microstructure includes a substrate, a diaphragm, a circuit board, a permanent magnetic element, and a multi-layered coil. The substrate has a hollow chamber. The diaphragm is disposed on the substrate, and covers the hollow chamber. The circuit board is bonded to the substrate. The permanent magnetic element is disposed on the circuit board and in the hollow chamber. The multi-layered coil is embedded in the diaphragm.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a normal display region and a special-shaped display region. A plurality of second pixel groups and second scan lines are sequentially disposed in the special-shaped display region. Each of the plurality of second pixel groups includes a plurality of rows of sub-pixels disposed along a first direction. The sub-pixels in each row are connected to the second scan lines in a corresponding row. The first scan lines are connected to the second scan lines to reduce a size of sub-pixels in each of the plurality of second pixel groups, increase a pixel density, and increase a display quality.

Abstract: A wireless charging management system and a wireless power transmitting terminal are disclosed. By managing a plurality of wireless power transmitting terminals distributed at different geographic positions through a server, the user can obtain position information and state information of the wireless power transmitting terminal through the client terminal, and at the meanwhile, the wireless power transmitting terminal can operate in response to the control of the server, which enables the user to use the wireless charging device in a shared manner conveniently.

Abstract: A carrier ring used in a deposition chamber includes an annular disk body comprising an annular wafer support region, an annular peripheral region, and an annular transition region between the annular wafer support region and the annular peripheral region. The annular peripheral region has a top carrier ring surface. The annular wafer support region has a lower carrier ring surface that is in physical contact with a wafer during processing. The annular transition region has a slope between the top carrier ring surface and the lower carrier ring surface. The slope downwardly inclines from the top carrier ring surface toward the wafer.

Abstract: An adjustment device for adjusting an up-down displacement of an optical engine module of a projection device includes a bracket, at least one adjustment zone, at least one flexible element, and at least one adjustment element. The bracket is disposed inside the projection device. The at least one adjustment zone is located at the optical engine module. There is a gap between the optical engine module and the bracket. The at least one flexible element is abutted between the bracket and the optical engine module. The at least one adjustment element is movably disposed through the at least one adjustment zone. A distance between the at least one adjustment zone of the optical engine module and the bracket is adjusted by an operation of the at least one adjustment element. A projection device using the adjustment device is also provided.

Abstract: A method and system for transmitting and receiving data packets between two network nodes via one or more end-to-end connections. An interface is provided for selecting one or more possible end-to-end connection(s) or established end-to-end connection(s). The method and system may further comprise receiving a policy, wherein one or more selected end-to-end connections are established based, at least in part, on the policy. The policy may also restrict or promote selection of certain established end-to-end connection(s) via the interface provided. The selected and established end-to-end connection(s) are used for transmitting and receiving data packets.

Abstract: A method for preparing a magic-sized nano-crystalline substance, wherein a component containing at least one metal element of groups IIB, IIIA and IVA in the periodic table, and a component containing at least one non-metal element of groups VIA and VA are used as raw materials. In a reaction system for preparing a conventional nano-crystalline substance and in an inert gas atmosphere, after heating the reaction, reactants are cooled to a temperature 50% lower than the actual heating temperature of the reaction thereof, and after standing, the target product of the magic-sized nano-crystalline substance is obtained. The required pure target product can be obtained by the preparation method.

Abstract: A method and system for transmitting and receiving data packets between two network nodes via one or more end-to-end connections. An interface is provided for selecting one or more possible end-to-end connection(s) or established end-to-end connection(s). The method and system may further comprise receiving a policy, wherein one or more selected end-to-end connections are established based, at least in part, on the policy. The policy may also restrict or promote selection of certain established end-to-end connection(s) via the interface provided. The selected and established end-to-end connection(s) are used for transmitting and receiving data packets.

Abstract: A movable embedded microstructure includes a substrate, a diaphragm, a circuit board, a permanent magnetic element, and a multi-layered coil. The substrate has a hollow chamber. The diaphragm is disposed on the substrate, and covers the hollow chamber. The circuit board is bonded to the substrate. The permanent magnetic element is disposed on the circuit board and in the hollow chamber. The multi-layered coil is embedded in the diaphragm.

Abstract: An adjustment device for adjusting an up-down displacement of an optical engine module of a projection device includes a bracket, at least one adjustment zone, at least one flexible element, and at least one adjustment element. The bracket is disposed inside the projection device. The at least one adjustment zone is located at the optical engine module. There is a gap between the optical engine module and the bracket. The at least one flexible element is abutted between the bracket and the optical engine module. The at least one adjustment element is movably disposed through the at least one adjustment zone. A distance between the at least one adjustment zone of the optical engine module and the bracket is adjusted by an operation of the at least one adjustment element. A projection device using the adjustment device is also provided.

Abstract: The present disclosure discloses a display screen switching method and a mobile terminal. The method is applied to a mobile terminal configured with two display screens, and includes: obtaining position change information of a detected display screen, the detected display screen including either of the two display screens; calculating a flip angle and a flip angular velocity of the detected display screen according to the position change information; and switching, when the flip angle meets a preset switching angle and the flip angular velocity meets a preset switching angular velocity, content currently displayed on a first display screen of the two display screens to a second display screen of the two display screens for display.

Abstract: A printed flexible PH sensor is provided. The printed flexible PH sensor includes a flexible substrate. A working electrode is disposed on the flexible substrate, and the working electrode includes a first silver layer formed on the flexible substrate by an ink-jet printing process, a second silver layer formed on the first silver layer by a silver mirror reaction, and a metal oxide layer disposed on the second silver layer of an end portion of the working electrode. A reference electrode is disposed on the flexible substrate, and the reference electrode includes the first silver layer and the second silver layer formed on the first silver layer, and a silver chloride layer totally covering the second silver layer. A method for fabricating the printed flexible PH sensor is also provided.

Abstract: A projector includes a main body and an adjusting assembly. The main body includes a casing, a light source, a light valve, and a projection lens. The casing has an opening. The adjusting assembly includes a rotation shaft, a knob, and at least one fastening component. The rotation shaft is connected to the main body. The knob is disposed on the rotation shaft and located in the opening. One of the rotation shaft and the knob has at least one fastening hole. The at least one fastening component penetrates the at least one fastening hole and is fixed to another one of the rotation shaft and the knob. An inner diameter of the at least one fastening hole is larger than an outer diameter of the at least one fastening component.

Abstract: A method and system for processing Domain Name Services (DNS) request in a gateway. The gateway receives a DNS request from a host from its local area network. The gateway then selects DNS server(s) and transmits a new DNS request to at least one DNS server(s). DNS server(s) may or may not be accessible through a first tunnel. The contents of the new DNS request are the same as the content of the received DNS request. Further, when the gateway receives a DNS response corresponding to the DNS request, it determines a decision whether to transfer data to the host whose IP address is specified in the DNS response through a second tunnel. The decision may be based on a geographical location of an IP address.

Abstract: A fabrication method of a layer structure for mounting a semiconductor device is provided, which includes the steps of: providing a base material, wherein the base material has a conductive layer having a first surface having a plurality of first conductive elements and an opposite second surface having a plurality of second conductive elements, and a first encapsulant formed on the first surface of the conductive layer for encapsulating the first conductive elements; partially removing the conductive layer to form a circuit layer that electrically connects the first conductive elements and the second conductive elements; and forming a second encapsulant on a bottom surface of the first encapsulant for encapsulating the circuit layer and the second conductive elements, thus reducing the fabrication difficulty and increasing the product yield.

Abstract: A printed flexible PH sensor is provided. The printed flexible PH sensor includes a flexible substrate. A working electrode is disposed on the flexible substrate, and the working electrode includes a first silver layer formed on the flexible substrate by an ink-jet printing process, a second silver layer formed on the first silver layer by a silver mirror reaction, and a metal oxide layer disposed on the second silver layer of an end portion of the working electrode. A reference electrode is disposed on the flexible substrate, and the reference electrode includes the first silver layer and the second silver layer formed on the first silver layer, and a silver chloride layer totally covering the second silver layer. A method for fabricating the printed flexible PH sensor is also provided.

Abstract: Disclosed are an indication direction-based instruction transmission method and apparatus, a smart device and a storage medium. According to the method, after a first smart device receives a first instruction, a current orientation of a set orientation on the first smart device is determined. It is detected whether there is at least one second smart device in the current orientation or not, and a first detection result is generated. When the first detection result represents that there is at least one second smart device in the current orientation, the first instruction is sent to at least one second smart device in the detected at least one second smart device to enable the at least one second smart device receiving the first instruction to execute the first instruction.

Abstract: A printed flexible PH sensor is provided. The printed flexible PH sensor includes a flexible substrate. A working electrode is disposed on the flexible substrate, and the working electrode includes a first silver layer formed on the flexible substrate by an ink-jet printing process, a second silver layer formed on the first silver layer by a silver mirror reaction, and a metal oxide layer disposed on the second silver layer of an end portion of the working electrode. A reference electrode is disposed on the flexible substrate, and the reference electrode includes the first silver layer and the second silver layer formed on the first silver layer, and a silver chloride layer totally covering the second silver layer. A method for fabricating the printed flexible PH sensor is also provided.