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    • 9. 发明授权
    • Projection type image display device
    • 投影型图像显示装置
    • US07789516B2
    • 2010-09-07
    • US11526583
    • 2006-09-26
    • Young-chol LeeKun-Ho ChoJong-soo LeeJae-hyun Park
    • Young-chol LeeKun-Ho ChoJong-soo LeeJae-hyun Park
    • G03B21/26
    • G03B21/28
    • A thin projection type image display device with a low chin height includes a cabinet, a screen, a projection optical system, an optical path changing unit, and a reflecting unit. The screen is disposed on a front side of the cabinet. The projection optical system enlarges and projects an image formed by a display element, and the optical path changing unit is disposed on the bottom of the cabinet to reflect the image enlarged and projected by the projection optical system. The reflection unit is disposed obliquely to the screen and below the screen to reflect the image reflected by the optical path changing unit toward the screen. The projection optical system is disposed in a space above a horizontal plane perpendicular to the screen, behind the front side of the cabinet, and below an optical path of light incident on a bottom of the screen.
    • 具有低下巴高度的薄投影型图像显示装置包括机壳,屏幕,投影光学系统,光路改变单元和反射单元。 屏幕设置在机柜的前侧。 投影光学系统放大并投影由显示元件形成的图像,并且光路改变单元设置在机柜的底部以反射由投影光学系统放大和投影的图像。 反射单元倾斜地设置在屏幕上并且在屏幕下方,以将由光路改变单元反射的图像反射到屏幕。 投影光学系统设置在垂直于屏幕的水平面上方的空间中,位于机壳前侧后方,并位于屏幕底部的光线的下方。