A component carrier, including a stack having at least one electrically conductive layer structure and at least one electrically insulating layer structure, a cavity in the stack, an inlay substrate at least partially embedded in the cavity. The inlay substrate includes a component and an IC substrate stacked one above the other, a first redistribution structure that electrically connects the component to a first component carrier main surface, and a second redistribution structure that electrically connects the IC substrate to a second component carrier main surface opposed to the first component carrier main surface.

A method includes forming a plurality of dielectric layers, forming a plurality of redistribution lines in the plurality of dielectric layers, etching the plurality of dielectric layers to form an opening, filling the opening to form a through-dielectric via penetrating through the plurality of dielectric layers, forming a dielectric layer over the through-dielectric via and the plurality of dielectric layers, forming a plurality of bond pads in the dielectric layer, bonding a device die to the dielectric layer and a first portion of the plurality of bond pads through hybrid bonding, and bonding a die stack to through-silicon vias in the device die.

A component carrier includes a stack with electrically conductive layer structures and at least one electrically insulating layer structure. The electrically conductive layer structures have a higher density connection region and a lower density connection region, and a first component and a second component which are surface-mounted on the stack. The first component and the second component are electrically coupled with each other by the higher density connection region.

A component carrier includes a stack with at least one electrically insulating layer structure and electrically conductive layer structures some of which have a first density of trace structures and a second density of connection structures, and a further stack with at least one further electrically insulating layer structure and further electrically conductive layer structures some of which have a third density of further trace structures and a fourth density of further connection structures. A first component is applied to the stack and a second component is embedded in the further stack. The connection structures are respectively connected to the further connection structures. The first density of trace structures is lower than the third density of further trace structures. The stack and the further stack are connected with each other by the connection structures and by the further connection structures. The first component is connected to the second component.

A wiring structure is provided. The wiring structure includes an upper redistribution structure, a lower redistribution structure, a conductive structure, an upper bonding layer and a lower bonding layer. The conductive structure is disposed between and electrically connected to the upper redistribution structure and the lower redistribution structure. The upper bonding layer is disposed between the upper redistribution structure and the conductive structure to bond the upper redistribution structure and the conductive structure together. The lower bonding layer is disposed between the lower redistribution structure and the conductive structure to bond the lower redistribution structure and the conductive structure together.

A printed circuit board includes a printed circuit board includes a substrate portion having a recess portion and including a first circuit layer, abridge disposed in the recess portion and including an insulating layer and a bridge circuit layer, an insulating material disposed in at least a portion of the recess portion and covering at least a portion of the bridge, a second circuit layer disposed on the insulating material, and a first via penetrating through the insulating material and a portion of the bridge and connecting the second circuit layer and the bridge circuit layer to each other.

A flexible display panel and a display device are provided. The flexible display panel includes a bending region and a display region. The bending region includes a plurality of metal wirings; each metal wiring is in long strip shape and includes a metal strip; a plurality of openings are defined through the metal strip. In the width direction of the metal strip, a ratio of a minimum distance from a point of an edge of the one of the openings to a neighboring side of the metal strip to a minimum width of the metal strip ranges from 0.1 to 0.7. A wiring structure of the bending region can prevent a stress concentration of the bending region, enhance a strength during a bending process, and avoid a breakage of the metal wiring.

A method includes forming a redistribution structure on a carrier substrate, coupling a first side of a first interconnect structure to a first side of the redistribution structure using first conductive connectors, where the first interconnect structure includes a core substrate, where the first interconnect structure includes second conductive connectors on a second side of the first interconnect structure opposite the first side of the first interconnect structure, coupling a first semiconductor device to the second side of the first interconnect structure using the second conductive connectors, removing the carrier substrate, and coupling a second semiconductor device to a second side of the redistribution structure using third conductive connectors, where the second side of the redistribution structure is opposite the first side of the redistribution structure.

A printed circuit board includes: a first substrate including a first cavity and first circuit units; and a second substrate disposed in the first cavity of the first substrate with an electronic component disposed therein, and including second circuit units having a higher density than the first circuit units, wherein the second substrate includes a first region and a second region, the first region of the second substrate includes an outermost circuit layer among the second circuit units, and circuit layers in the first region of the second substrate have a higher density than circuit layers in the second region of the second substrate.

A connection structure embedded substrate includes a printed circuit board including a plurality of first insulating layers, and a plurality of first wiring layers disposed on or between the plurality of first insulating layers; and a connection structure embedded in the printed circuit board, and including a plurality of second insulating layers and a plurality of second wiring layers disposed on or between the plurality of second insulating layers. A lowermost second insulating layer of the plurality of second insulating layers includes an organic insulating material, and is in contact with an upper surface of one of the plurality of first insulating layers.