Compact liquid crystal display for instrument panel having a wra

Details Compact liquid crystal display for instrument panel having a wra Compact liquid crystal display for instrument panel having a wra

1993-09-08

1995-09-12

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

174 50, 359 88, 361681, 362 29, 362222, G02F 11333, G02F 11343, H01J 500, G01D 1128

Patent

active

054502217

ABSTRACT:
A box-like molded housing with an open front has a flexible printed circuit wrapped around it, the printed circuit having a terminal array attached to a housing flange adjacent the front opening. A frame having a translucent web or filter covers the open front and contains a liquid crystal cell. A slot in the frame contains an elastomeric connector for joining terminals on the cell with terminals on the printed circuit to provide control signals to the cell. The housing interior is a reflector cavity and contains lamps for illuminating the web and the cell through the web. The printed circuit carries surface mount components, supplies power to the lamps, and has a contact array for connection to spring contacts of an external connector.

REFERENCES:
patent: 4836651 (1989-06-01), Anderson
patent: 5150257 (1992-09-01), Mohabbatizadeh et al.
Lexin, "Meeting the Challenges of Flexible Circuits", Jul. 1992, Printed Circuit Design, pp. 22-25.

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