Display device including imperfect connection parts...

Details Display device including imperfect connection parts... Display device including imperfect connection parts...

2006-10-17

2006-10-17

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Physically integral with display elements

C345S078000, C361S721000

Reexamination Certificate

active

07123249

ABSTRACT:
In a display device including a display panel and a multi-layered printed circuit board which is arranged along one side of the display panel and is electrically connected to a plurality of leads of the display panel through a plurality of tape carrier packages, according to the present invention, a plurality of slits or notches are formed in a sheet fiber member which is impregnated with resin and constitutes a base sheet of the multi-layered printed circuit board along one side of the display panel. The discontinuity of the sheet fiber member formed by the slits or the notches absorbs the difference in thermal expansion of the multi-layered printed circuit board and the display panel due to the change of an ambient temperature of the display device and hence, it is possible to prevent peeling of the tape carrier package from the display panel or breaking of the tape carrier package per se.

REFERENCES:
patent: 6021050 (2000-02-01), Ehman et al.
patent: 6738123 (2004-05-01), Takahashi et al.
patent: 6869664 (2005-03-01), Vasoya et al.
patent: 6954985 (2005-10-01), Lee et al.

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