Temperature-compensated 8-bit column driver for AMLCD

Andrew G. F. Dingwall; Mark L. Lin

doi:10.1117/12.210972

5 June 1995 Temperature-compensated 8-bit column driver for AMLCD

Andrew G. F. Dingwall, Mark L. Lin

Proceedings Volume 2462, Cockpit Displays II; (1995) https://doi.org/10.1117/12.210972
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

An all-digital, 5 V input, 50 Mhz bandwidth, 10-bit resolution, 128- column, AMLCD column driver IC has been designed and tested. The 10-bit design can enhance display definition over 6-bit nd 8-bit column drivers. Precision is realized with on-chip, switched-capacitor DACs plus transparently auto-offset-calibrated, opamp outputs. Increased resolution permits multiple 10-bit digital gamma remappings in EPROMs over temperature. Driver IC features include externally programmable number of output column, bi-directional digital data shifting, user- defined row/column/pixel/frame inversion, power management, timing control for daisy-chained column drivers, and digital bit inversion. The architecture uses fewer reference power supplies.

Citation Download Citation

Andrew G. F. Dingwall and Mark L. Lin "Temperature-compensated 8-bit column driver for AMLCD", Proc. SPIE 2462, Cockpit Displays II, (5 June 1995); https://doi.org/10.1117/12.210972

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