A display panel includes an array substrate, a first flexible circuit board, a non-flexible circuit board, a control circuit board and a second flexible circuit board; the first flexible circuit board is electrically connected to the array substrate; the non-flexible circuit board is electrically connected to the first flexible circuit board; the control circuit board is provided on the non-flexible circuit board and is electrically connected with the non-flexible circuit board; the second flexible circuit board is electrically connected to the non-flexible circuit board.

A display device includes: a display substrate including a display area and a pad area disposed around the display area; a signal wiring disposed over the display area and the pad area on the display substrate; at least one wiring pad including: a pad pattern portion disposed on the pad area of the display substrate and electrically connected to the signal wiring; and a separation pattern portion separated from the pad pattern portion by a separation space; and a printed circuit board attached to the pad area of the display substrate, the printed circuit board including a lead wiring connected to the at least one wiring pad.

A display device includes a display panel, a first protective member, and a second protective member. The display panel includes a front part, a first side part extending from the front part, and a pad portion extending from the first side part. A pad is on the pad portion, the first side part is bent, and each of the front part and the first side part displays an image. The first protective member is below the display panel and overlaps the front part and the first side part. The second protective member is below the display panel, in a same layer as the first protective layer, and overlaps the pad portion. The second protective member has a bending stiffness greater than a bending stiffness of the first protective member.

A display device is provided and includes a display panel including a display area that displays an image and a pad area disposed at least at a side of the display area, and a flexible circuit film electrically connected to the pad area. The flexible circuit film includes connection pads, a first measurement pad, and a second measurement pad. The connection pads are arrayed in a first direction and inclined with respect to a reference line extending in a second direction different from the first direction, the first measurement pad is disposed adjacent to a first side of the connection pads, and the second measurement pad is disposed adjacent to a second side of the connection pads. The connection pads are between the first measurement pad and the second measurement pad.

A flexible circuit board includes a main board, a first connecting plate, and a second connecting plate; a side surface of the first connecting plate is connected to a first side surface of the main board, and an included angle between the main board and the first connecting plate is a first preset angle; a side surface of the second connecting plate is connected to the first side surface of the main board, and an included angle between the main board and the second connecting plate is a second preset angle; and the first preset angle and the second preset angle are both greater than 0 degree and less than 180 degrees.

The disclosure provides a bonding method, the bonding method includes: bonding first areas of a plurality of flexible printed circuit boards on a substrate, the plurality of flexible printed circuit boards being sequentially arranged along a direction parallel to a first side of the substrate, and a second area of each of the flexible printed circuit boards exceeds the first side; cutting at least one of the flexible printed circuit boards to enable second sides of all the flexible printed circuit boards to be flush and parallel to the first side, wherein each of the second sides is a side of the second area away from the first area; and bonding second areas of the flexible printed circuit boards with a connection circuit board.

A flexible circuit board includes a first substrate, display panel signal traces, a touch chip, at least one second substrate, a touch auxiliary device, first touch signal traces and at least one second touch signal trace. The display panel signal traces, the touch chip and the at least one second substrate are located on the same side of the first substrate; and the touch auxiliary device is located on a second substrate. The first touch signal trace includes a first connection trace and a first transfer trace that are electrically connected to each other. The second touch signal trace includes a second connection trace and a second transfer trace that are electrically connected to each other. The first connection trace and the second connection trace are disposed on the first substrate, and the first transfer trace and the second transfer trace are disposed on the at least one second substrate.

A display device includes a substrate including a display area and a pad area, a plurality of pad electrodes disposed in the pad area on the substrate, a circuit board disposed to overlap at least a portion of the pad area on the substrate, and an anisotropic conductive layer disposed in the pad area between the substrate and the circuit board. The circuit board includes a base substrate and a plurality of bump electrodes disposed on a lower surface of the base substrate. The anisotropic conductive layer includes an adhesive layer and a plurality of conductive particles arranged in the adhesive layer. Each of the conductive particles includes a core, a first conductive film disposed on the core in a way such that at least a portion of the core is exposed, and a second conductive film entirely covering the core and the first conductive film.

An electronic control module, particularly for a transmission, includes a first circuit board element and a sensor unit carrier fastened to the first circuit board element. The sensor unit carrier has a sensor unit receptacle configured to receive a sensor unit. The sensor unit has a sensor element fastened and electrically connected to a second circuit board element so as to detect at least one measured value. The sensor unit is fastened in the sensor unit receptacle. The second circuit board element has a flexible region that separates a first sub-region of the second circuit board element from a second sub-region of the second circuit board element. The first sub-region has a predetermined angle to the second sub-region. The sensor element is electrically connected to the first circuit board element by the second sub-region of the second circuit board element.

An electronic device is provided. The electronic device includes a hinge structure, a first housing structure, a second housing structure that is foldable with the first housing structure, a foldable housing, a flexible display, a first mid-plate disposed on one side of the first housing structure, a second mid-plate disposed on one side of the second housing structure, a flexible printed circuit board (FPCB) extending between the first mid-plate and the second mid-plate, a first sealing member that seals a first opening formed in the first mid-plate, and a second sealing member that seals a second opening formed in the second mid-plate.