The Takeda Foundation
organization


MOT CONTENTS :

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Chapter 1. Development of Liquid Crystal Displays
Chapter 2. Development of Silicon on Insulators
Chapter 3. Development of DNA Chips
Chapter 4. Research on Linux Innovation



Chapter 1. Development of Liquid Crystal Display

Setsufumi Kamuro, Ph.D. (Program Specialist)
Yuzo Mizobuchi, Oh.D. (Program Officer)

Abstract

In 1964,RCA Corporation invented the Dynamic Scattering Mode (DSM) liquid crystal to develop wall-hung TVs. However, the lifetime of the DSM liquid crystal was too short for any practical applications. Meanwhile, Sharp Co. developed suitable chemical additives and an alternative current drive technology, and succeeded in commercializing the first portable calculators with liquid crystal displays in 1973.

Voltage drive type twisted nematic (TN) liquid crystals, which were developed during the period from 1969 through 1970, brought displays with less power consumption, and wrist watches with liquid crystal displays were commercialized.

Other essential technologies were developed, and applied to various kind of products. Wall-hung TVs were finally commercialized about 30 years after the first invention of liquid crystal by RCA. Today, TVs with full color liquid crystals over 40 inches in diameter are sold on the market.

In this report, both the development of essential technologies and the development of commercial products with liquid crystals are described.

Development of LCD