A circuit board and a battery connection module are provided. The circuit board has an insulating substrate and a plurality of circuit traces provided thereto. At least one of the traces is provided with a fuse unit. The fuse unit has a main fuse and at least one spare fuse. The main fuse has two main trace connection end portions respectively positioned at two ends of the main fuse and connected to the trace and a main fuse section connected between the two main trace connection end portions. The spare fuse has two trace connection end portions respectively positioned at two ends of the spare fuse and a fuse section connected between the two trace connection end portions, the fuse section and the main fuse section are spaced apart from each other and arranged side by side, and at least one of the two trace connection end portions is not connected with the trace so as to form an electrical disconnection with the trace, and after the main fuse section forms an electrical disconnection, the two trace connection end portions are connected to the trace so that a current conductive path is formed by the spare fuse and the trace.

According to an embodiment, it is possible to provide an electronic device including: a housing; a first printed circuit board disposed in the housing; a second printed circuit board disposed in the housing and spaced apart from the first printed circuit board; a first flexible printed circuit board electrically connecting the first printed circuit board and the second printed circuit board; and a second flexible printed circuit board electrically connecting the first printed circuit board and the second printed circuit board, in which the second flexible printed circuit board may be longer than the first flexible printed circuit board. Other embodiments are also disclosed.

The embodiments of the present disclosure provide a chip on flex (COF), a touch assembly, and a display device. The chip on flex includes a flexible base provided with a first opening, the flexible base includes a bonding area provided with a plurality of metal bonding pads; on the flexible base, a spacing area with a preset range is provided between the first opening and the bonding area; wherein, the flexible base is provided with a reinforcement sheet thereon, the reinforcement sheet is located on a portion of the flexible base other than the first opening, the spacing area and the bonding area.

A circuit board includes a first layer, a second layer, a third layer, a plurality of plating through holes, at least one first intermediate layer and at least one second intermediate layer. The first layer and the second layer are used as reference voltage planes. A plurality of transmission wires are disposed on the third layer. The transmission wires are coupled to a wireless signal transceiver and a plurality of antenna arrays; wherein the third layer is disposed between the first layer and the second layer. The plating through holes are disposed at sides of the third layer, wherein the plurality of plating through holes are configured to connect the first reference voltage plane with the second reference voltage plane. The first intermediate layer is disposed between the first layer and the third layer, and the second intermediate layer is disposed between the second layer and the third layer.

The present application discloses a display module and a manufacturing method thereof, and a mobile terminal. The display module includes a printed circuit board connected to a backlight flexible circuit board. A side of the backlight flexible circuit board connected to the printed circuit board comprises at least two first bonding regions, wherein each of the first bonding regions includes at least two first bonding terminals distributed therein, and wherein a distance between any two adjacent first bonding regions is greater than a distance between any two adjacent first bonding terminals in each of the first bonding regions.

An electronic functional member according to the present embodiment includes a substrate; a fiber mesh comprising a fibrous resin composition that extends onto and is connected to the substrate; and a patterned conductive coating portion that coats one surface of a portion of the fiber mesh and that also extends onto the substrate.

A flexible circuit board includes liquid crystal polymer (LCP) layers and metal layers including circuit routes. Each of the LCP layers includes via structures. The metal layers and the LCP layers are alternatively stacked to form a multi-layer structure. Adjacent metal layers are electrically connected through the via structures. Some via structures of different LCP layers are substantially aligned with one another to form a stack of via structures. Each of the via structures includes openings filled with conductive material. The size of the opening fulfils the following equation: Vb≥cos(Bh/Vh)*Vt/k*2, where Vb is a diameter of a smaller aperture, Vt is a diameter of a bigger aperture, Vh is a combined thickness of a LCP layer and a metal layer, Bh is a thickness of a LCP layer and k is a tensile modulus.

The present disclosure relates to a display apparatus. The display apparatus may include a display panel, a peripheral region, an electronic component, and a gap-fill layer. The display panel defines a display region. The peripheral region is adjacent to the display region. The peripheral region includes lines and pads. The lines are disposed in the peripheral region, and the pads are connected to the lines. The electronic component includes connecting pads in contact with the pads. The gap-fill layer is between the display panel and the electronic component, between the connection pads, between the pads, and in the openings. Each of the pads may overlap at least two pads of the connection pads, and the openings may overlap between the connection pads, when viewed in a plan view.

Provided is a device configured to manufacture a conductive film including a rotating member, a first syringe, and a second syringe. The rotating member rotates about an axis extending in a first direction. The first syringe is disposed over a first portion of the rotating member, and is configured to discharge a first polymer and conductive balls. The second syringe is adjacent to the first syringe, and is configured to discharge a second polymer.

Provided is an electronic component including a pad region including a plurality of pads extending along corresponding extension lines and arranged in a first direction, and a signal wire configured to receive a driving signal from the pad region, wherein the plurality of pads include a plurality of first pads arranged continuously and a plurality of second pads arranged continuously, and extension lines of the plurality of first pads substantially converge into a first point and extension lines of the plurality of second pads substantially converge into a second point different from the first point.