公开(公告)号：US20120299808A1

公开(公告)日：2012-11-29

申请号：US13332631

申请日：2011-12-21

Applicant: Guen-Sik LEE ,  Hee-Jin Im ,  Hyung-Seok Bang

Inventor： Guen-Sik LEE ,  Hee-Jin Im ,  Hyung-Seok Bang

IPC: G09G3/36 ,  G02F1/1334 ,  G02B5/32

CPC classification number: G02B27/2214 ,  G02B5/32 ,  H04N13/302 ,  H04N13/359 ,  H04N13/366

Abstract: An image display device which enables tracking of a viewer and is convertible into a 2D display mode without loss of viewing angle, includes an image panel to emit a 2-dimensional (2D) image, a backlight unit to direct collimated light to the image panel, a scattered-light converting cell provided over the backlight unit, the scattered-light converting cell to scatter the collimated light upon 2D display and to directly emit the collimated light upon 3D display, and a holographic optical element provided over the backlight unit, the holographic optical element to adjust an optical path so as to set a viewing window to a position of a viewer upon 3D display.

Abstract translation: 一种图像显示装置，其能够跟踪观看者并且可转换成2D显示模式而不损失视角，包括发射二维（2D）图像的图像面板，将准直光指向图像面板的背光单元 设置在背光单元上的散射光转换单元，散射光转换单元，用于在2D显示时散射准直光，并且在3D显示时直接发出准直光，以及设置在背光单元上的全息光学元件， 全息光学元件来调节光路，以便在3D显示器上将观看窗口设置到观看者的位置。