This Application Note provides a basic introduction to the features and uses of Liquid Crystal Displays (LCD). At the end of this Application Note, you should be able to answer the following questions: • What are the basic components in an LCD panel? • How does an LCD work? • What are the different types of LCD panels? • How are LCD panels driven? AN658 LCD Fundamentals Using PIC16C92X Microcontrollers Polarization is a process or state in which rays of light Author: Rodger Richey exhibit different properties in different directions, espe- Microchip Technology Inc. cially the state in which all the vibration takes place in one plane. Essentially, a polarizer passes light only in one plane. As shown in Figure 2, if light is polarized in INTRODUCTION one pl……