Patent ID: 6750931
Filing Date: 2004-06-15
Classification: G02F

Abstract:
A reflective liquid crystal device comprising:a pixel electrode comprising a metal; a first dielectric film provided over said pixel electrode; a second dielectric film provided over said first dielectric film and having a higher refractive index than said first dielectric film and having a same center wavelength as said first dielectric film; a third dielectric film provided over said second dielectric film; and a fourth dielectric film provided over said third dielectric film and having a higher refractive index than said third dielectric film and having a same center wavelength as said third dielectric film, wherein provided that a refractive index of said first dielectric film is nL and a refractive index of said fourth dielectric film is nH and film thicknesses of said first and fourth dielectric films are respectively d1 and d4, then said first and fourth dielectric films are adjusted in thickness to satisfy 400 nm&lE;&lgr;A&lE;570 nm and 400 nm&lE;&lgr;B&lE;800 nm where &lgr;A=4nLd1 and &lgr;B=4nHd4.