A circuit wire crossing structure, comprising a substrate with a supporting surface, an electrical circuit disposed on the supporting surface of the substrate, with the electrical circuit comprising, two lateral wires with one of the wires having a first terminal and a second terminal and another one of the lateral wires having a second terminal, wherein the first terminal and the second terminal are spaced apart from each other, and a central wire, disposed between and apart from the first terminal and the second terminal, and an electronic component arranged above the supporting surface and two terminals of the electronic component connecting with the first terminal and the second terminal, wherein the electronic component has an insulating shell facing the central wire, and an orthographic projection of the electronic component to the supporting surface extends across an orthographic projection of the central wire to the supporting surface.

A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.

A pad 11 is disposed at an end point of a first wiring 17 provided on a board 15, is connectable to one of N (N: an integer of two or more) wirings provided on the board 15 via a resistor or a conductor, and has (N+1) sides that are disposed by deforming respective sides of an equilateral polygon having (N+1) sides into convex sides each having a radius of curvature that is larger than a radius of curvature of a circumscribed circle of the equilateral polygon.

An example method includes linking a transmit line and receive line to a respective via, and printing two paths to each via, wherein each path is interrupted by two pairs of contacts. When a first resistor is in a first pair of contacts at a receive via, first signal is formed between a receive point of a first connector and the receive line. When a first capacitor is in first pair of contacts at a transmit via, second signal is formed between transmit point of first connector and the transmit line. When a second resistor is in second pair of contacts at receive via, third signal is formed between receive point of a second connector and the receive line. When a second capacitor is in second pair of contacts at transmit via, fourth signal is formed between a transmit point of second connector and the transmit line.

Methods, apparatus and systems are described. An apparatus includes a module body made of a polymer material. The module body includes a mounting surface adjacent a potting area. At least two lead frame elements are embedded in the polymer material of the module body. Each of the at least two lead frame elements has a first terminal side and a second terminal side in the component potting area. An LED element is on the mounting surface of the module body and electrically coupled to the first terminal side of the at least two lead frame elements.

A substrate has an insulating layer 11; an adhesion layer 200 provided on the insulating layer 11; and a metal layer 220 provided on the adhesion layer 200. The adhesion layer 200 has an adhesion main body layer 210 and an anchor body 215 protruded from a front surface of the adhesion main body layer 210 or has a redox layer 250.

A PCB and a signal transmission system are provided. The PCB includes a connection module, and at least two signal layers and at least two reference layers spaced apart. The connection module comprises a first connection terminal and a second connection terminal. The first connection terminal is connected to at least one first signal layer and is connectable to an external optical interface. The second connection terminal is connected to at least one second signal layer and is connectable to an external electrical interface. Each reference layers is provided with a through-hole, and for each reference layers, there is an overlapping region between a projection region of an orthogonal projection of the connection module onto the reference layer and a hole region of the through-hole arranged on the reference layer.

A circuit board includes a substrate, an input binding region and at least two output binding regions disposed on the substrate. Each of the output binding regions includes a plurality of binding portions, and the number of the binding portions included in different output binding regions is different. The substrate is configured to output a signal received by the input binding region to respective binding portions included in each of the output binding regions.

A battery charger may include a printed circuit board (PCB) having a first portion supporting alternating current (AC) electrical components and a second portion supporting direct current (DC) electrical components; an indicator including a light-emitting diode (LED) supported on the first portion of the PCB and operable to emit light; and an isolating member positioned on the first portion between the AC electrical components and the LED. A trace on the PCB may be electrically connected to the second portion of the PCB, the trace extending from the second portion and along the first portion, and the LED may be electrically connected to and receiving DC power through the trace, the LED being selectively positioned along a length of the trace. The LED may be positioned more than about 8 mm from the AC electrical components.

An electronic breadboard system may include a computing device including a display screen. The display screen has a first portion to display an electronic circuit model and a second portion directly adjacent to the first portion. The electronic breadboard system also includes a translucent breadboard on the second portion of the display screen. The translucent breadboard includes a translucent face plate having a rectangular grid of openings exposing a plurality of contacts. The plurality of contacts are arranged lengthwise along each row of the rectangular grid of openings and orthogonal to a transparent back plate coupling the plurality of contacts to the translucent face plate. The electronic breadboard system includes a graphics controller. The graphics controller may illuminate a row opening and/or a column opening of the translucent breadboard to direct placement of electrical components of a computer model in response to user interaction with the electronic circuit model.