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    • 55. 发明授权
    • Illumination system
    • 照明系统
    • US07506998B2
    • 2009-03-24
    • US11575519
    • 2005-08-18
    • Johannes Petrus Maria AnsemsChristoph Gerard August HoelenAd Van Den BrandtJorrit Ernst De Vries
    • Johannes Petrus Maria AnsemsChristoph Gerard August HoelenAd Van Den BrandtJorrit Ernst De Vries
    • F21V5/00
    • G02B6/002G02B6/0018G02B6/0021G02B6/0068
    • An illumination system has a plurality (2) of light-collimating sections (12, 12′, 12″) and a light-mixing section (3). The light-collimating sections are arranged substantially parallel to each other along a longitudinal axis (25) of the illumination system. Each of the light-collimating sections is associated with at least one light emitter (R, G, B). Each of the light emitters is being in optical contact with the respective light-collimating section via a dielectric material with a refractive index larger than or equal to 1.3. At a side facing away from the light emitters, the light-collimating sections merge into the light-mixing, the light-collimating sections and the light-mixing section forming one integral part. Light propagation in the light-mixing section is based on total internal reflection and the light-mixing section has a plurality of faces parallel to the longitudinal axis. Preferably, the light-mixing section at a side facing away from the light emitters is provided with a further light-collimating section.
    • 照明系统具有多个(2)光准直部分(12,12',12“)和光混合部分(3)。 光准直部分沿着照明系统的纵向轴线(25)基本上彼此平行地布置。 每个光准直部分与至少一个光发射器(R,G,B)相关联。 每个发光体通过折射率大于或等于1.3的介电材料与相应的光准直部分光学接触。 在远离发光体的一侧,光准直部分合并成光混合,光准直部分和形成一个整体部分的光混合部分。 光混合部分中的光传播基于全内反射,并且光混合部分具有平行于纵轴的多个面。 优选地,在远离发光体的一侧的光混合部分设置有另外的光准直部分。
    • 56. 发明授权
    • Compact lighting system and display device
    • 紧凑型照明系统和显示设备
    • US07172328B2
    • 2007-02-06
    • US10511972
    • 2003-03-27
    • Christoph Gerard August HoelenNicola Bettina Pfeffer
    • Christoph Gerard August HoelenNicola Bettina Pfeffer
    • F21V7/04
    • G02B6/0038F21Y2105/00F21Y2115/10G02B6/0046G02B6/0055
    • A compact backlight system has a light-emitting panel (1) with a front wall (2), a rear wall (3) situated opposite thereto, and furthermore, between the front and the rear wall (2, 3), a translucent input edge surface (4) for coupling light into the light-emitting panel (1). A light source (6, 6′, . . . ) is associated with the input edge surface (4). According to the invention, the rear wall (3) in a first portion (12) of the light-emitting panel (1) is provided with a multiplicity of steps (13, 13′, . . . ), and a second portion (22) of the light-emitting panel (1) widens from the input edge surface (4) in a direction facing the first portion (12). Preferably, a surface (17) of the steps (13, 13′, . . . ) facing the input edge surface (4) makes an angle βav≧5° (with respect to a normal on a bisecting plane (20) bisecting the light-emitting panel (1).
    • 紧凑型背光系统具有发光面板(1),其具有前壁(2),与其相对的后壁(3),此外,在前壁和后壁(2,3)之间,具有半透明输入 边缘表面(4),用于将光耦合到发光面板(1)中。 光源(6,6',...)与输入边缘表面(4)相关联。 根据本发明,发光面板(1)的第一部分(12)中的后壁(3)设置有多个台阶(13,13',...)和第二部分 发光面板(1)的面向第一部分(12)的方向从输入边缘表面(4)变宽。 优选地,面向输入边缘表面(4)的台阶(13,13',...)的表面(17)的角度ββ相对于正常 在将发光面板(1)平分的二等分平面(20)上。
    • 58. 发明授权
    • Illumination system and display device
    • 照明系统和显示设备
    • US06648486B2
    • 2003-11-18
    • US09837938
    • 2001-04-19
    • Gerard HarbersChristoph Gerard August Hoelen
    • Gerard HarbersChristoph Gerard August Hoelen
    • F21V800
    • G02B6/0036G02B6/0038G02B6/0043G02B6/0051G02B6/0076G02F1/133621
    • A backlight system comprises at least two light-emitting panels (1; 11) having a front wall (2; 12), an opposing rear wall (3; 13) and opposite edge surfaces (4, 14; 5, 15). At least one of the edge surfaces (4; 14) is light-transmitting and associated with a plurality of light sources (6, 16). Light originating from the light sources (6; 16) is diffused in the panel (1; 11). Sub-surfaces (8, 18) of the rear walls (3, 13) are provided with means for extracting light from the panel (1, 11). In operation, said sub-surfaces (8, 18) project light on areas (9, 19) of an (imaginary) plane (40) which is positioned parallel to the light-emitting panels (1, 11). Said projected areas (9, 19) in the plane (40) are substantially contiguous. Preferably, said sub-surfaces (8, 18) are remote from the light-transmitting edge surfaces (4; 14). Preferably, each of said sub-surfaces (8, 18) forms a single surface covering half the front wall (2, 12) of the light-emitting panel (1, 11). Alternatively, the sub-surfaces encompass a substantial area of the rear walls, the distribution of the means for extracting light from the panel being such that the amount of extracted light changes as a function of the distance to the light-transmitting edge surfaces. Preferably, the light source comprises a plurality of red, green, blue (and amber) LEDs, each preferably having a luminous flux of at least 5 lumen.
    • 背光系统包括具有前壁(2; 12),相对的后壁(3; 13)和相对的边缘表面(4,14; 5,15)的至少两个发光板(1; 11)。 边缘表面(4; 14)中的至少一个是透光的并且与多个光源(6,16)相关联。 来自光源(6; 16)的光在面板(1; 11)中扩散。 后壁(3,13)的副表面(8,18)设置有用于从面板(1,11)提取光的装置。 在操作中,所述子表面(8,18)在平行于发光板(1,11)的位置(9,19)上投影(虚)平面(40)的区域(9,19)。 平面(40)中的所述投影区域(9,19)基本上邻接。 优选地,所述子表面(8,18)远离光透射边缘表面(4; 14)。 优选地,每个所述子表面(8,18)形成覆盖发光面板(1,11)的前壁(2,12)的一半的单个表面。 替代地,子表面包围后壁的实质区域,用于从面板提取光的装置的分布使得提取的光的量根据到透光边缘表面的距离的函数而改变。 优选地,光源包括多个红色,绿色,蓝色(和琥珀色)LED,每个LED优选具有至少5流明的光通量。