Color liquid crystal display

Color liquid crystal display

  • CN 101,040,214 A
  • Filed: 09/29/2005
  • Published: 09/19/2007
  • Est. Priority Date: 10/20/2004
  • Status: Active Application
First Claim
Patent Images

1. color liquid crystal display arrangement, possess:

  • transmission type colour liquid crystal display board with colored filter that 3 primary color filters by wavelength selective transmission red light, green light, blue light constitute, and with white light from the throw light on back light device of described color LCD board of rear side, it is characterized in thatDescribed back light device has;

    Light source, the main white light source that this light source is made of the 3 wavelength fluorescent lamps that send the light more than 3 wavelength, with comprise at least that to send peak wavelength λ

    pr be the red light emitting diodes of the red light of λ

    pr=645nm, send peak wavelength λ

    pg and be λ

    pg=555nm green light green LED and send peak wavelength λ

    pb and constituted by more than one the secondary light source in the blue LED of the blue light of λ

    pb=440nm;

    AndThe colour mixture parts, the light that these colour mixture parts send described light source carries out colour mixture as described white light.

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