LCD 驱动IC原理简介.ppt

文档介绍：LCD 驅動IC原理簡介
David Tsai
Outline
Introduction of LCD Driving Theory
TN/STN LCD Driver
AM-LCD Gate Driver
AM-LCD Source Driver
AM-LCD Driver Design Consideration
LC & LCD Type
Liquid Crystal
Semectic LC
Nematic LC
Cholesteric LC
Disk LC
Liquid Crystal Display
Twist Nematic (TN)
Super Twist Nematic (STN)
Double-layer STN (DSTN)
Film STN (FSTN)

In Plane Switch (IPS)
Vertical Alignment (VA)
Multi-domain VA (MVA)
LCD Driving Theory – TN type
TN & STN V-T Transfer Curve
Static Driving Method Used in TN
Static Driving Example
STN LCD Driving Diagram
STN LCD Driving Waveform Diagram
Column 1
暗
亮
亮
Limitation on STN LCD Resolution
=> Selection Ratio
=> N => SR