Abstract:
Disclosed is a multi-layered printed circuit board including a plurality of insulation layers; a plurality of conductive patterns stacked on the multi-layered printed circuit board while alternating with the insulation layers; an integrated circuit positioned inside a core insulation layer of the insulation layers so as to be embedded in the multi-layered printed circuit board, a plurality of external connection terminal being positioned on a surface of the integrated circuit for external electric connection; and a film attached to a surface of the integrated circuit, the film having a plurality of inner conductive pads in one-to-one electric connection with the external connection terminals, the film being electrically connected to an adjacent conductive pattern layer.
Abstract:
The present invention provides a mounting film for a liquid crystal display drive chip and a method for manufacturing the same. The mounting film is provided with a slit cut from a side edge thereof, or provided with a weakened line for forming the slit. When a distance between a liquid crystal display panel and a control circuit substrate of the liquid crystal display unit is un-uniform, the opening degree of the slit is variable accordingly to accommodate variations in the distance. Such a COF mounting film for a liquid crystal display drive chip may be generally used even though a distance between the liquid crystal display panel and the control circuit substrate varies slightly. Therefore, the manufacturing cost of the liquid crystal display unit may be reduced.
Abstract:
In one embodiment of the present invention, an IC chip mounting package includes a film base member and an IC chip connected via an interposer. Connecting terminals on the film base member side of the interposer are provided so as to have a pitch larger than that of connecting terminals of the IC. A device hole is opened to the film base member, and the IC chip is provided in the device hole. A distance between an inner lead leading end and a periphery of the device hole is set as not less than 10 μm.
Abstract:
A display device includes a display panel, a printed circuit board, a plurality of semiconductor devices which are film-like substrates with an IC chip, and a monolithic anisotropic conductive film disposed on the printed circuit board. Each of the semiconductor devices has a first side portion and a second side portion opposite to the first side portion. The first side portion is connected to the printed circuit board via the monolithic anisotropic conductive film, and the second side portion is connected to the display panel. Further the first side portion of each of the semiconductor devices is respectively connected at separated portions of the monolithic anisotropic conductive film.
Abstract:
A tape circuit substrate includes a base film with first wiring and second wiring disposed on the base film. The first wiring extends into a chip mount portion through a first side and bends within the chip mount portion toward a second side. The second wiring extends into the chip mount portion through a third side and bends within the chip mount portion toward the second side. The first, second, and third sides are different sides of the chip mount portion. Thus, size and in turn cost of the base film are minimized by arranging wirings within the chip mount portion for further miniaturization of electronic devices, such as a display panel assembly, using the tape circuit substrate.
Abstract:
A method and system is disclosed for facilitating miniaturization of an electronic device by efficiently utilizing available space. Specifically, in an exemplary embodiment, there is provided an electronic device comprising a substrate, a cavity formed in the substrate, and a bridge coupled to the substrate such that it spans the cavity. Further, the device may include a semiconductor device coupled to the bridge such that the semiconductor device is positioned within the cavity. In some embodiments, the bridge may include a tape automated bonding (TAB) tape having various layers, including a layer configured to provide electromagnetic shielding.
Abstract:
A flexible film is provided. The flexible film includes a dielectric film; and a metal layer disposed on the dielectric film, wherein the ratio of the thickness of the metal layer to the thickness of the dielectric film is about 1:1.5 to 1:10. The flexible film has excellent plating, adhesive strength, thermal resistance, folding endurance and chemical resistance properties.
Abstract:
A system for connecting circuit boards is provided. A plurality of overlapping spaced apart circuit boards have a plurality of conductive pins passing through holes in the circuit boards. A connector includes a flexible sheet insulator and a plurality of conductive surfaces separated and supported by the flexible insulator. At least one of the conductive surfaces has a hole there through and a bent compliant lead extending there from. The hole engages one of the pins, and the complaint lead connects to one of the circuit boards.
Abstract:
A wiring substrate may include a base film, a plurality of wires, a first insulation member and a second insulation member. The base film may have a chip-mounting region where a semiconductor chip may be mounted thereon. The wires may extend from the chip-mounting region and the wires may include adhesive end portions that may be electrically connected to the semiconductor chip. The first insulation member may cover portions of the wires outside the chip-mounting region thereof. The second insulation member may cover portions of the wire inside the chip-mounting region, the adhesive end portion of the wire being exposed by the second insulation member.
Abstract:
A tape automated bonding (TAB) structure which includes a flex tape having a conductive lead pattern formed thereon. The conductive lead pattern includes a plurality of leads configured to form an inner lead bond (ILB) portion of the TAB structure. At least one of the plurality of leads is internally routed and has a contact exposed interior to the ILB portion of the TAB structure.