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    • 7. 发明申请
    • ILLUMINATION SYSTEM AND DISPLAY DEVICE
    • 照明系统和显示设备
    • US20100053992A1
    • 2010-03-04
    • US12515032
    • 2007-11-20
    • Marcellinus Petrus Carolus Michael KrijnMartin Jacobus Johan JakRamon Pascal Van GorkomHugo Johan CornelissenDirk Kornelis Gerhardus De Boer
    • Marcellinus Petrus Carolus Michael KrijnMartin Jacobus Johan JakRamon Pascal Van GorkomHugo Johan CornelissenDirk Kornelis Gerhardus De Boer
    • F21V7/04
    • G02B6/0038G02B6/0055G02B6/0068G02F1/133526G02F1/133615G02F1/133621G02F2001/133623
    • The invention relates to an illumination system (10) for illuminating a display device, and to the display device. The illumination system comprises a light distribution element (20 for distributing light across the display device. The light distribution element comprises a light output window (40), a rear wall (42) situated opposite the light output window, and edge walls (44, 46) extending between the light output window and the rear wall, at least one of the edge walls comprising a light input window (48) for admitting light into the light distribution element. The light distribution element further comprises specularly reflective light-outcoupling means (50) for specularly reflecting light from the light distribution element towards the display device via the light output window. A first light beam (100) comprises light of a first primary color (R) impinging on the light input window for coupling the light of the first primary color into the light distribution element. At least a second light beam (102, 104) comprises light of a second primary color (G, B) impinging on the light input window for coupling the light of the second primary color into the light distribution element, the second light beam being substantially not parallel to the first light beam. Use of specularly reflective outcoupling means yields a difference between an angle of incidence between the first and the second light beam. This difference is substantially preserved, which results in a color separation of the light emitted by the light distribution element towards the display device.
    • 本发明涉及用于照明显示装置的照明系统(10)和显示装置。 所述照明系统包括配光元件(20),用于在所述显示装置上分配光,所述配光元件包括光输出窗(40),与所述光输出窗相对的后壁(42) 46),在所述光输出窗和所述后壁之间延伸,所述边缘壁中的至少一个包括用于将光引入所述配光元件的光输入窗(48),所述光分配元件还包括镜面反射光输出耦合装置 第一光束(100)包括照射在光输入窗口上的第一原色(R)的光,用于将来自光分布元件的光的光反射到显示装置 至少第二光束(102,104)包括入射在光输入窗口fo上的第二原色(G,B)的光 r将第二原色光耦合到配光元件中,第二光束基本上不平行于第一光束。 使用镜面反射输出耦合装置产生第一和第二光束之间的入射角之间的差异。 基本上保留了这种差异,这导致由配光元件发射的光朝向显示装置的颜色分离。