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US 7,068,340 B2Granted
Liquid crystal display
AssigneesHitachi, Ltd., Hitachi Device Engineering Co., Ltd.
InventorsHiroshi Yamate, Yuuichi Takenaka
Life of this patent
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AssigneesHitachi, Ltd., Hitachi Device Engineering Co., Ltd.
InventorsHiroshi Yamate, Yuuichi Takenaka
Estimating the term…
A display device includes a substrate having plural signal lines extending in one direction and arranged in parallel in a direction intersecting the one direction, terminals connected to respective ones of the signal lines, and a semiconductor chip mounted on the substrate. The semiconductor chip has plural bumps connected to corresponding terminals through an anisotropic conductive layer. The terminals include a first group of terminals arranged at an image display region side and a second group of terminals arranged at a side remote from the image display region. An area of a respective terminal of the second group is larger than an area of a respective terminal of first group.
A display device including:
Dependencies are inferred from the claim text.
Drawings are temporarily unavailable. Open the PDF at USPTO
From the US filing history. Foreign family members aren’t listed.
Conductors connecting electrodes to cell terminals: conductors connecting driver circuitry and terminals of panels
Constructional arrangements; Manufacturing methods: conductors connecting electrodes to cell terminals
Characterised by their shape or disposition: on active surfaces of flip-chip devices, e.g. underfills
Of bump connectors: between a chip and a stacked insulating package substrate, interposer or RDL
Term ended 20 Dec 2021 (estimated)
The present invention relates to a liquid crystal display, and more particularly, to a liquid crystal display of a so-called active-matrix type.
The liquid crystal display of the active-matrix type is provided with a plurality of gate signal lines, which extend in the X direction and are arranged in parallel in the Y direction, and a plurality of drain signal lines, which extend in the Y direction and are arranged in parallel in the X direction, on a liquid-crystal-side surface of one of two substrates which are arranged to face each other in an opposed manner while inserting liquid crystal disposed therebetween. A region which is surrounded by two neighboring gate signal lines and two neighboring drain signal lines defines a pixel region.
Each pixel region is provided with a switching element which is driven by scanning signals from one-side via a gate signal line and a pixel electrode to which video signals are supplied from one-side via a drain signal line through the switching element.
FIG. 1 is an overall equivalent circuit diagram of a liquid crystal display according to the present invention.
FIG. 2 is a plan view of a surface of a transparent substrate on which IC chips are mounted.
FIG. 3A is a front view of a surface on which bumps of a semiconductor integrated circuit mounted on the liquid crystal display according to the present invention are formed.
Preferred embodiments of a liquid crystal display according to the present invention will be explained in conjunction with attached drawings.
<<Equivalent Circuit>>
FIG. 1 is an equivalent circuit diagram showing one embodiment of a liquid crystal display according to the present invention. The drawing is a circuit diagram in which are disposed corresponding to an actual geometric arrangement.