Patent ID: 6249328
Filing Date: 2001-06-19
Classification: G02F

Abstract:
A liquid crystal display device capable of providing a multi-color display without color filters having different colors for each pixel, comprising:a red cold-cathode fluorescent lamp containing a red phosphor, said red phosphor being from the group comprising (SrMg).sub.3 (PO.sub.4).sub.2 :Sn.sup.2+ and CaS:Eu.sup.2+ ;a green cold-cathode fluorescent lamp containing a green phosphor with rapid transient characteristics, anda blue cold-cathode fluorescent lamp containing a blue phosphor with rapid transient characteristics,said red cold-cathode fluorescent lamp, said green cold-cathode fluorescent lamp and said blue cold-cathode fluorescent lamp being illuminated sequentially at a rapid rate, at mutually exclusive times, anda single liquid crystal display element transmitting light for the sequentially transmitted colors to produce composite colors suitable for television or computer displays.