Display Technologies and their Applications in E Books

Since the back four decades the researchers of liquid crystal displays have focused primarily on matching the image quality of cathode-ray tubes used in television sets and computer monitors. That goal has been met. Now display developers are turning their attention to a new goal-electronic display media that begin to match the essential qualities of paper. The success of portable electronic devices for reading digital books and periodicals will depend on the development of displays that are light-weight, durable, energy- efficient and readable under a broad range of lighting conditions. About a thousand e-books can be stored on one CD which equivalent to several shelves of printed books.