A Brief History: LCDs
Milestones: A Brief History
- 1888: Fridrich Reinitzer, an Austrian botanist discovered liquid crystal phase transition phenomenon
- 1889: Otto Lehmann, Physicist in Germany, coined the term “liquid crystal”
- 1968: A research group at RCA in the US, headed by George Heilmeier, developed the first LCDs based on DSM (dynamic scattering mode)
- 1969: James Fergason, an associate director of Liquid Crystal Institute at Kent State University in Ohio, discovered the TN (twisted nematic) field effect.
- 1972: S. Kobayashi in Japan produced first defect free LCD.
- 1973: G. Gray of BDH Ltd in the UK invented biphenyl liquid crystal material to make stable LCD possible.
- 1983: T. Scheffer and J. Nehring discovered STN (super twisted nematic) field effect.
- 1986: NEC produced first laptop LCD computer
- 1995: Sharp produced 28″ TFT LCD.
- 2001: Samsung produced 42″ TFT LCD.
- 2002: LCD overtook CRT as desktop monitors.
- For a more complete history of LCD development, refer to Dr. Joseph Castellano’s paper
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