Abstract: A solar cell, comprising: a silicon substrate, wherein the silicon substrate has a front side and a rear side; a finger electrode formed on the front side of the silicon substrate, wherein the finger electrode is in electric contact with the silicon substrate, wherein the finger electrode comprises a silver component and a glass binder, and wherein the finger electrode is substantively free of other conductive metals than the silver component; and a busbar electrode formed on the front side of the silicon substrate, wherein the busbar electrode is in electric contact with the finger electrode and wherein the busbar electrode comprises a silver component, a second metal selected from the group consisting of nickel, copper, alloy thereof and mixture thereof and a glass binder.

Abstract: A broadband dual-antenna system provided herein comprises: a dielectric substrate including a first surface and a second surface; a grounding plane on the dielectric substrate; a loop metal branch located on the first surface and connected to the grounding plane; a coupling metal branch located on the second surface and connected to the grounding plane, the vertical projection of the coupling metal branch and that of the loop metal branch on the second surface partially overlap; a first metal branch located on the second surface and the coupling metal branch; a second metal branch located on the second surface and the coupling metal branch; a first signal source located on the second surface and connected to the first metal branch and the grounding plane; and a second signal source located on the second surface and connected to the second metal branch and the grounding plane.

Abstract: A three-dimensional antenna element is provided. The three-dimensional antenna element is configured to be disposed on a surface of a conductive substrate, and includes a dielectric base, a first radiation part, a second radiation part, a third radiation part, a fourth radiation part, a first shorting element, and a second shorting element. The dielectric base includes a first plane and a second plane, where the second plane includes a first side and a second side, the first side is opposite to the second side and configured to be joined to the first plane, and the second side is configured to be joined to the surface of the conductive substrate. A signal feed-in point is coupled between the first radiation part and the second radiation part.

Abstract: A semiconductor device includes a substrate, a first isolation structure, a second isolation structure and a dummy pattern. The substrate includes a first part surrounding a second part at a top view. The first isolation structure is disposed between the first part and the second part, to isolate the first part from the second part. The second isolation structure is disposed at at least one corner of the first part. The dummy pattern is disposed on the second isolation structure. The present invention also provides a method of forming said semiconductor device.

Abstract: A multi-antenna system includes a conductive plane with four adjacent sides, a main antenna unit disposed on any one of the four sides, a first secondary antenna unit disposed on any one of the four side, a second secondary antenna unit disposed on any one of the four sides of the conductive plane except the side on which the main antenna unit is disposed, a switching circuit disposed on the conductive plane and is selectively electrically connected to the first secondary antenna unit or the second secondary antenna unit and a wireless communications module disposed on the conductive plane and electrically connected to the switching circuit and the main antenna unit. The first secondary antenna unit is spaced apart from the main antenna unit by a spacing, where the spacing is greater than 0.5 times a wavelength distance of a low-frequency operating frequency of the multi-antenna system.

Abstract: A self-driving coordination system and the control method thereof are disclosed. The system and the control method are applied to an all-self-driving vehicle fleet. The self-driving coordination system comprises a leader control device, a follower control device, and a server. The leader control device is mounted in a leader. The follower control device is mounted in a follower. The leader control device and the follower control device communicate with each other for bidirectional data transmission. The server communicates with the leader control device and the follower control device for respective bidirectional data transmission.

Abstract: A loop-like dual-antenna system is provided. The loop-like dual-antenna system includes a dielectric substrate having a first surface and a second surface opposite to each other. The loop radiating element includes a first radiating part with two ends and a second radiating part opposite to the first radiating part. A first signal source is disposed on the first surface of the dielectric substrate and electrically connected to two ends of the first radiating part. A grounding part is disposed on the second surface of the dielectric substrate and disposed on one side of the dielectric substrate away from the first signal source. A coupling matching element is disposed on the second surface of the dielectric substrate and adjacent to the grounding part, for coupling to and exciting the second radiating part. A second signal source, disposed on the second surface of the dielectric substrate, and electrically connected to the coupling matching element and the grounding part.

Abstract: A pixel circuit includes a driving circuit, a lighting element, and multiple switching circuits. The driving circuit is configured to provide a driving current to a first node. A first terminal of the lighting element is coupled with a second node. A second terminal of the lighting element is configured to receive a system low voltage. The multiple switching circuits are coupled between the first node and the second node in a parallel connection, and configured to correspondingly receive multiple emission control signals and at least one grayscale control signal. During each frame, the multiple emission control signals provide multiple pulses, and the multiple pulses do not mutually overlapping in time sequence, so that the multiple switching circuits selectively couple the first node to the second node according to the multiple pulses and the at least one grayscale control signal.

Abstract: A pixel circuit includes a driving circuit, a lighting element, and multiple switching circuits. The driving circuit is configured to provide a driving current to a first node. A first terminal of the lighting element is coupled with a second node. A second terminal of the lighting element is configured to receive a system low voltage. The multiple switching circuits are coupled between the first node and the second node in a parallel connection, and configured to correspondingly receive multiple emission control signals and at least one grayscale control signal. During each frame, the multiple emission control signals provide multiple pulses, and the multiple pulses do not mutually overlapping in time sequence, so that the multiple switching circuits selectively couple the first node to the second node according to the multiple pulses and the at least one grayscale control signal.

Abstract: The invention relates to a passivated contact type solar cell and a method for its manufacture. The method comprises the steps of: (i) preparing a substrate comprising: a first semiconductor layer, a tunnel oxide layer on the first semiconductor layer, a second semiconductor layer on the tunnel oxide layer, a first insulating layer on the second semiconductor layer, and a third semiconductor layer on the first semiconductor layer at the other side of the tunnel oxide layer, wherein the second semiconductor layer is 0.2 to 400 nm thick, wherein the first insulating layer comprises one or more openings; (ii) applying a conductive paste in the openings of the first insulating layer, the conductive paste comprising, (a) a conductive powder comprising silver (Ag) and palladium (Pd), (b) a glass frit, and (c) an organic vehicle; and (iii) firing the applied conductive paste to form an electrode. The glass frit may comprise 30 to 90 wt. % of at least one of PbO or Bi2O3, 1 to 50 wt. % of B2O3, 0.1 to 30 wt.

Abstract: A display device has a substrate for disposing a display area having an array of pixels, and control circuits having shift registers and latches to provide image data and timing control signals to the pixels. The control circuits have signal lines electrically connected to a connection cable to receive therefrom data signals indicative of the image data and timing pulses indicative of the timing control signals. The connection cable is also configured to provide reference signals to the shift registers and latches in the control circuits. The data signals are digital signals having an amplitude range greater than the amplitude range of the reference signals. No driver IC is disposed on the substrate to process analog signals. Each of the pixels has three sub-pixels and each of the color sub-pixels has three color sub-areas configured to receive timing control signals from a different scan line.

Abstract: A multi-antenna system includes a conductive plane with four adjacent sides, a main antenna unit disposed on any one of the four sides, a first secondary antenna unit disposed on any one of the four side, a second secondary antenna unit disposed on any one of the four sides of the conductive plane except the side on which the main antenna unit is disposed, a switching circuit disposed on the conductive plane and is selectively electrically connected to the first secondary antenna unit or the second secondary antenna unit and a wireless communications module disposed on the conductive plane and electrically connected to the switching circuit and the main antenna unit. The first secondary antenna unit is spaced apart from the main antenna unit by a spacing, where the spacing is greater than 0.5 times a wavelength distance of a low-frequency operating frequency of the multi-antenna system.

Abstract: A three-dimensional antenna element is provided. The three-dimensional antenna element is configured to be disposed on a surface of a conductive substrate, and includes a dielectric base, a first radiation part, a second radiation part, a third radiation part, a fourth radiation part, a first shorting element, and a second shorting element. The dielectric base includes a first plane and a second plane, where the second plane includes a first side and a second side, the first side is opposite to the second side and configured to be joined to the first plane, and the second side is configured to be joined to the surface of the conductive substrate. A signal feed-in point is coupled between the first radiation part and the second radiation part.

Abstract: This invention discloses a method for controlling a wireless communication device to reduce the number of retry times of data packets during transmission. The method includes steps of: using a first packet length to generate and transmit data packets; counting retry times of data packets in a predetermined time period and generating a result accordingly; and using a second packet length smaller than said first packet length to generate and transmit data packets when said result is greater than a predetermined value.

Abstract: This invention discloses a method for controlling a wireless communication device to transmit data packets. The method includes steps of: transmitting data packets; counting retry times of data packets in a predetermined time period and generating a result accordingly; comparing said result with a predetermined value and generating a comparison result accordingly; and reducing transmission time of data packets according to said comparison result.

Abstract: A multi-protocol determining method based on a CAN bus is provided, which includes a mode setting step and two or more modes are set in a controller of the CAN bus. The multi-protocol determining method based on the CAN bus includes a listening step, and the modes are taken turns to read a packet from the communicated node. The multi-protocol determining method based on the CAN bus further includes a confirming step. In the confirming step, if the packet is received successfully by one of the modes, the CAN bus is set to work in the corresponding mode. The controller sends one or more requesting packets, each having a communicating request based on a predetermined protocol, to the communicated node, and if the controller receives a feedback packet from the communicated node successfully, the protocol of the communicated node is identified to be the predetermined protocol.

Abstract: A high-voltage device includes a semiconductor substrate, a source diffusion region, a drain diffusion region, a channel diffusion region and a gate electrode. The source diffusion region and the drain diffusion region with a first conductive type are disposed in the semiconductor substrate. The channel diffusion region is disposed in the semiconductor substrate and between the source diffusion region and the drain diffusion region. The gate dielectric layer is disposed on the channel diffusion region and having a first modified portion with a second conductive type extending inwards from a first edge of the gate dielectric layer. The gate electrode is disposed on the gate electric layer, wherein the first modified portion, the gate electrode and the channel diffusion region at least partially overlap with each other.

Abstract: A high-voltage device includes a semiconductor substrate, a source diffusion region, a drain diffusion region, a channel diffusion region and a gate electrode. The source diffusion region and the drain diffusion region with a first conductive type are disposed in the semiconductor substrate. The channel diffusion region is disposed in the semiconductor substrate and between the source diffusion region and the drain diffusion region. The gate dielectric layer is disposed on the channel diffusion region and having a first modified portion with a second conductive type extending inwards from a first edge of the gate dielectric layer. The gate electrode is disposed on the gate electric layer, wherein the first modified portion, the gate electrode and the channel diffusion region at least partially overlap with each other.

Abstract: A display device has a substrate for disposing a display area having an array of pixels, and control circuits having shift registers and latches to provide image data and timing control signals to the pixels. The control circuits have signal lines electrically connected to a connection cable to receive therefrom data signals indicative of the image data and timing pulses indicative of the timing control signals. The connection cable is also configured to provide reference signals to the shift registers and latches in the control circuits. The data signals are digital signals having an amplitude range greater than the amplitude range of the reference signals. No driver IC is disposed on the substrate to process analog signals. Each of the pixels has three sub-pixels and each of the color sub-pixels has three color sub-areas configured to receive timing control signals from a different scan line.

Abstract: The present invention discloses a gain adjustment method for wireless communication. This method is carried out by a wireless transceiver, and an embodiment of the method comprises the following steps: obtaining at least one transceiving parameter of a wireless connection partner; determining an adaptive power gain according to the at least one transceiving parameter; having an idle power gain of a radio-frequency circuit of the wireless transceiver be the adaptive power gain for a period of time, or having the idle power gain of the radio-frequency circuit be the adaptive power gain until packet transmission operation or packet reception operation takes place within the period of time; and if none of the packet transmission operation and the packet reception operation takes place within the period of time, having the idle power gain of the radio-frequency circuit be an initial power gain right after the period of time.