Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Patent
1998-11-25
1999-09-28
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
G02F 11345
Patent
active
059597097
ABSTRACT:
A display unit has a peripheral driver circuit mounted on a flat display substrate. The flat display substrate has on a surface thereof a plurality of scanning lines, a plurality of signal lines perpendicular to the scanning lines, and an input electrode connected to each of the scanning lines or the signal lines. The peripheral driver circuit has on a surface thereof a peripheral driver circuit for energizing the scanning lines or the signal lines, and input and output electrodes electrically connected to the peripheral driver circuit. The display unit also includes a driver circuit board having on a surface thereof a driver circuit for supplying a power supply voltage and transmitting a control signal to the peripheral driver circuit on the peripheral driver circuit substrate, and an output electrode electrically connected to the driver circuit. The input electrode of each of the scanning lines or the signal lines is electrically connected to the output electrode on the peripheral driver circuit substrate by a flexible printed circuit board. The input electrode on the peripheral driver circuit substrate is also electrically connected to the output electrode on the driver circuit board by the flexible printed circuit board. Since the electrodes on the boards are electrically connected by the flexible printed circuit board, it is not necessary to form bumps on the input and output electrodes of the peripheral driver circuit substrate.
REFERENCES:
patent: 5668700 (1997-09-01), Tagusa et al.
Asada Hideki
Kaneko Hideki
Dudek James
NEC Corporation
Sikes William L.
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