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    • 2. 发明申请
    • OPTICAL ELEMENT AND LIGHTING DEVICE
    • 光学元件和照明设备
    • WO2010013181A1
    • 2010-02-04
    • PCT/IB2009/053207
    • 2009-07-23
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.IJZERMAN, Willem, L.VERBRUGH, Stefan, M.
    • IJZERMAN, Willem, L.VERBRUGH, Stefan, M.
    • F21V8/00F21V7/00
    • G02B6/0033F21Y2115/10G02B6/0018G02B6/0046G02B6/0055G02B6/0068
    • An optical element (1) extending from a center (2) outward in a plane (x-y), said element being arranged to provide an output light distribution in an output direction (z) out of said plane (x-y). Said element comprises a light transmitting area (22) arranged at a first distance (Rl) from the center (2) to transmit light further outward in relation to said center (2); a light collimating region (40) extending in said plane (x-y) from a distance being at least said first distance (Rl) to a second distance (R2) from said center (2), said light collimating region (40) being arranged to receive light from said light transmitting area (22) and to guide the received light with a collimating effect; and a reflector (42c, 62) arranged at least at said second distance (R2) from said center (2), said reflector (42c, 62) being arranged to receive light from said light collimating region (40). The reflector (42c, 62) is arranged to reflect the received light in said output direction (z), the reflector having at least one reflective surface being obliquely arranged at an angle (β) in relation to said plane (x-y) of the element, which angle (β) is between about 35° and about 55°. There is also provided a lighting device, preferably a luminaire, comprising the optical element (1) and at least one light source, preferably a light emitting diode, said at least one light source being arranged to provide light to the light transmitting area (22).
    • 一种从平面(x-y)向外的中心(2)延伸的光学元件(1),所述元件设置成在所述平面(x-y)之外的输出方向(z)上提供输出光分布。 所述元件包括布置在离中心(2)的第一距离(R1)处的光透射区域,以相对于所述中心(2)进一步向外透射光; 所述光准直区域(40)在所述平面(xy)中从至少所述第一距离(R1)的距离延伸到距所述中心(2)的第二距离(R2),所述光准直区域(40)被布置成 从所述光透射区域(22)接收光并引导具有准直效应的接收光; 以及从所述中心(2)至少设置在所述第二距离(R2)处的反射器(42c,62),所述反射器(42c,62)布置成接收来自所述光准直区域(40)的光。 反射器(42c,62)被布置成在所述输出方向(z)反射所接收的光,所述反射器具有至少一个反射表面,该反射表面相对于所述元件的所述平面(xy)以角度(β)倾斜布置 ,哪个角度(ß)在约35°至约55°之间。 还提供了一种照明装置,优选照明装置,其包括光学元件(1)和至少一个光源,优选地是发光二极管,所述至少一个光源被布置成向透光区域(22)提供光 )。
    • 8. 发明申请
    • LIGHT-EMITTING PANEL AND ILLUMINATION SYSTEM
    • 发光板和照明系统
    • WO2005073622A1
    • 2005-08-11
    • PCT/IB2005/050216
    • 2005-01-19
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN OERS, Denis, J., C.VERBRUGH, Stefan, M.HOELEN, Christoph, G., A.
    • VAN OERS, Denis, J., C.VERBRUGH, Stefan, M.HOELEN, Christoph, G., A.
    • F21V8/00
    • G02B6/0033G02B6/0068
    • A light-emitting panel (1) has a light-emitting window (2) and a rear wall (3) situated opposite thereto. The light-emitting panel has at least one light-ingress edge (4) for coupling light from a light source (6B, 6G, 6R) into the light-emitting panel. The light-emitting panel is provided with a plurality of slits (8, 8', 8", ...) for coupling out light from the light-emitting panel. The slits extend from the rear wall to the light-emitting window. Material in the slits has a refractive index different from the refractive index of the light-emitting panel. Preferably, the slits are filled with a dielectric material, preferably, with air. Preferably, the slits are substantially flat planes and are substantially parallel with respect to each other. Preferably, the slits are arranged under an angle a with respect a normal on the light-emitting window. Preferably 30°≤α≤40°. Preferably, light is coupled out from the light-emitting panel by specular reflection.
    • 发光面板(1)具有与其相对的发光窗(2)和后壁(3)。 发光面板具有至少一个用于将来自光源(6B,6G,6R)的光耦合到发光面板中的光入射边缘(4)。 发光面板设置有用于耦合出来自发光面板的光的多个狭缝(8,8',8“,...),狭缝从后壁延伸到发光窗。 狭缝中的材料具有与发光板的折射率不同的折射率,优选地,这些狭缝优选用空气填充介电材料,优选地,狭缝基本上是平面,并且基本上平行于 优选地,狭缝相对于发光窗口上的法线在角度α处布置。优选地,30°<=α<= 40°。优选地,光通过镜面从发光面板耦合出来 反射。