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    • 6. 发明申请
    • DISPLAY APPARATUS HAVING VARIABLE DIFFUSER FILM
    • 具有可变差分片的显示装置
    • US20100265435A1
    • 2010-10-21
    • US12764832
    • 2010-04-21
    • Seong-Yong HWANGJin SeoInsun HwangSeul-Gi KimSeungChul Jeong
    • Seong-Yong HWANGJin SeoInsun HwangSeul-Gi KimSeungChul Jeong
    • G02F1/1335
    • G02F1/133G02F1/1323G02F1/1334G02F1/133504G02F1/133524G02F2001/133567
    • In a display apparatus according to an embodiment, a variable diffuser film is disposed between a backlight unit generating light and a display panel displaying an image. The variable diffuser film transmits or scatters the light from the backlight unit in response to an electrical signal to control a viewing angle. The variable diffuser film is disposed between the first and second transparent layers and includes a polymer layer in which liquid crystal molecules transmitting or scattering the light according to the electrical signal are dispersed. The polymer layer has a thickness of about 3 micrometers to about 15 micrometers, and the liquid crystal molecules have an anisotropic refractive index (Δn) of about 0.15 to about 0.25. In one aspect, the display apparatus may automatically switch a narrow viewing angle mode and a wide viewing angle mode, thereby reducing power consumption necessary to switch the narrow and wide viewing angle modes.
    • 在根据实施例的显示装置中,可变漫射膜设置在产生光的背光单元和显示图像的显示面板之间。 可变漫射膜响应于电信号传输或散射来自背光单元的光以控制视角。 可变扩散膜设置在第一和第二透明层之间,并且包括其中分散有根据电信号透射或散射光的液晶分子的聚合物层。 聚合物层具有约3微米至约15微米的厚度,并且液晶分子具有约0.15至约0.25的各向异性折射率(&Dgr; n)。 一方面,显示装置可以自动切换窄视角模式和宽视角模式,从而降低切换窄视角和宽视角模式所需的功耗。