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    • 5. 发明公开
    • 액정 표시 소자
    • 液晶显示器
    • KR1020010076588A
    • 2001-08-16
    • KR1020000003799
    • 2000-01-26
    • 삼성에스디아이 주식회사
    • 최상철김양수
    • G02F1/1335
    • G02F1/133615G02B6/0028G02B6/0038G02F2001/133601G02F2001/133618
    • PURPOSE: A liquid crystal display is to obtain an illuminance identical to the prior art even when a cold cathode fluorescent lamp(CCFL) is driven at a low power by using a light emitted from an auxiliary light source as a back light. CONSTITUTION: A front substrate(2) and a backside substrate(4) are spaced apart from each other by a predetermined interval. Liquid crystals(10) are injected into the interval between the front substrate and the backside substrate. A main light source(18) generates a light when a power is applied thereto. Polarizing plates(14,16) for polarizing the light generated from the main light source are attached on each side of the front and the backside substrates. A light guide plate(20) guides the light toward the polarizing plate of the backside substrate. An auxiliary light source emits a light due to a light generated by the main light source and an external light source such as the sun. The auxiliary light source is formed with a light-emitting material such as a luminous material.
    • 目的:即使当使用从辅助光源发出的光作为背光以低功率驱动冷阴极荧光灯(CCFL)时,液晶显示器也是获得与现有技术相同的照度。 构成:前面基板(2)和背面基板(4)彼此隔开预定间隔。 将液晶(10)注入到前基板和背面基板之间的间隔中。 主光源(18)在施加电力时产生光。 用于使从主光源产生的光偏振的偏光板(14,16)安装在前侧和后侧基板的每一侧。 导光板(20)将光朝向背面基板的偏振片引导。 辅助光源由于主光源产生的光和诸如太阳的外部光源而发光。 辅助光源由发光材料等发光材料形成。