Abstract:
An active matrix type liquid crystal display device includes a first and second substrate with a liquid crystal layer therebetween, a plurality of drain lines and gate lines formed on the first substrate and crossing each other in a matrix form, a plurality of pixels formed by adjoining the drain lines and the gate lines, at least a counter electrode and at least a pixel electrode formed on the first substrate in each pixel; and at least a light blocking film formed on one of the first and second substrate. The light blocking film is arranged substantially parallel to the gate line and each light blocking film is spaced from and in overlapping relation with the drain line. At least one counter electrode has an overlapping relation with the drain line in plan view and extends in a region of the light blocking film. The counter electrode is made of a transparent conductive layer, and the liquid crystal display device has a normally black mode.
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.
Abstract:
In a stacked-type semiconductor unit having a plurality of semiconductor devices stacked on a base board including a base electrode, each semiconductor device has a wiring board including an external electrode provided in an end portion thereof. The semiconductor devices are stacked on the base board such that the external electrodes are aligned with one another. Then, the external electrodes are electrically connected to the base board by solder.
Abstract:
An electronic device includes first and second electronic components. Each of terminals of a first group of the first electronic component is disposed on one of a plurality of first lines passing through a first point. Each of terminals of a second group of the second electronic component is disposed on one of a plurality of second lines passing through a second point. The first and second points coincide with each other, and the first and second lines overlap. The terminals of at least one of the first and second groups are formed to extend along first lines or second lines.
Abstract:
A flexible wiring substrate for coupling between a semiconductor element and a circuit substrate. The flexible wiring substrate comprises a base material layer made of insulating and flexible material, and wiring conductors formed on the base material layer. The wiring conductors are formed of at least one electroless plated layer and at least one electroplated layer formed on the at least one electroless plated layer. The wiring conductors are formed apart from a peripheral edge portion of the base material layer. A power supply line for electroplating used for forming the electroplated layer does not remain on the base material layer. The wiring conductors have, for example, a multi-layer structure comprising an electroless plated copper layer formed on the base material layer, an electroplated copper layer formed on the electroless plated copper layer, an electroplated nickel layer formed on the electroplated copper layer, and an electroplated gold layer formed on the electroplated nickel layer.
Abstract:
A tape carrier with high density wiring patterns and having high flexibility, a tape carrier package using such tape carrier, and a method of manufacturing them. The tape carrier comprises a base film made of an insulating material and having wiring patterns formed thereon. The tape carrier also has a bending area for bending the tape carrier therein. In the bending hole region, a plurality of round holes are formed regularly. Diameter of each of the holes is larger than a space between the wiring patterns in the bending area. Preferably, the centers of the holes are located at grid points of an assumed predetermined grid and at the intersections of diagonal lines connecting the grid points. Also, the center of each of the plurality of holes is located on the center line of a space between adjacent wiring patterns in the bending area.
Abstract:
In the present invention, memory chips are stuck together in stacked fashion by TAB (tape automated bonding), and a multiple memory chip and lead complex like an SOP (small out-line package) is formed of the chips and leads, whereby a memory module of high packaging density can be realized by a flat packaging technique.
Abstract:
A semiconductor device of the present invention includes a film-like flexible substrate having formed thereon a wiring pattern, external connection terminals formed at both end portions of the flexible substrate; and a semiconductor element mounted on a surface side of the flexible substrate, wherein a folded part, which is folded down in U-shape to a back surface side of the flexible substrate, is formed in a fixed state at least at one end portion of the flexible substrate. With this structure, the semiconductor device is COF mounted, and, for example, in its application to a liquid crystal module wherein the semiconductor device is provided so as to face a liquid crystal panel, the external connection terminals of the flexible substrate can be connected to an inner surface of a module main body for a liquid crystal panel in a state the semiconductor element of the semiconductor device faces the inside of the module main body. As a result, since the semiconductor element can be mounted without being projected to the outside of the module main body, the liquid crystal module can be made thinner for the thickness of the semiconductor element.
Abstract:
A chip carrier film comprising a metal wiring formed on a surface of a base film, a first insulating film covering the metal wiring excluding a semiconductor chip connecting pad portion and a terminal connecting pad portion, a semiconductor chip connected to the semiconductor chip connecting pad portion of the metal wiring and mounted on the base film, and a second insulating film formed on a back face of the base film and having a different coefficient of curing shrinkage from that of the first insulating film. It is possible to obtain a chip carrier film capable of preventing the suspension of the base film from being generated by the self weight of the semiconductor chip when holding the base film by the delivery device and of carrying out mounting without a hindrance.
Abstract:
The invention provides a printhead cartridge body contained within an inkjet printer which contains a tape automated bonding (TAB) circuit, having a unique architecture, electrically connected to a printhead heater chip and a printed circuit board (PCB). Moreover, the TAB circuit architecture is readily sealable by a variety of methods. The TAB circuit includes elongate apertures which have a length axis aligned perpendicular to electrical traces which run through the apertures. Each trace has a first end running through the apertures and being connected to a PCB by means of a hot bar soldering technique and the second end of the traces being connected to a printhead heater chip. An encapsulant layer substantially encloses the rectangular apertures and electrical connections preventing ink mist from contacting the connections. The TAB circuit design provides improvement in the manufacturing process and enables rework of connections without destroying the TAB circuit.