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    • 18. 发明申请
    • ILLUMINATION SYSTEM AND DISPLAY DEVICE
    • 照明系统和显示设备
    • US20100315832A1
    • 2010-12-16
    • US12446275
    • 2007-10-23
    • Fetze PijlmanGiovanni CenniniMichel Cornelis Josephus Marie Vissenberg
    • Fetze PijlmanGiovanni CenniniMichel Cornelis Josephus Marie Vissenberg
    • F21V7/22
    • G02F1/133606G02B6/005G02B6/0068G02F1/133609G02F1/133611G02F2001/133607
    • The invention relates to an illumination system (10, 20, 30) for illuminating a display device (40) and to a display device (40). The illumination system comprises a light-mixing chamber (50) which comprises a light-exit window (52), a rear wall (54) which is situated opposite the light-exit window (52), and edge walls (56, 58) which extend between the light-exit window (52) and the rear wall (54). A surface (55) of the rear wall (54) is substantially specularly reflective for specularly reflecting light impinging on the surface of the rear wall and having a relatively large angle of incidence with respect to an axis perpendicular to the rear wall. The illumination system further comprises a light source (60, 62) and a plurality of light out-coupling elements (70). The light source emits light into the light-mixing chamber in a direction substantially parallel to the light-exit window. The illumination system further comprises an angularly reflective filter (80) applied at the light-exit window. The angularly reflective filter is constituted of a plurality of substantially transparent layers (81, 82, 83, 84), each layer having a substantially uniform thickness. Each set of two adjacent layers (81, 82, 83, 84) of the angularly reflective filter has different refractive indexes.
    • 本发明涉及一种用于照明显示装置(40)和显示装置(40)的照明系统(10,20,30)。 该照明系统包括一个光混合室(50),它包括一个出光窗(52),一个与光出射窗(52)相对的后壁(54)和边缘壁(56,58) 其在光出射窗(52)和后壁(54)之间延伸。 后壁(54)的表面(55)基本上镜面反射,用于镜面反射照射在后壁的表面上的光,并且相对于垂直于后壁的轴线具有相对大的入射角。 照明系统还包括光源(60,62)和多个光出耦合元件(70)。 光源在基本上平行于光出射窗的方向上将光发射到光混合室中。 照明系统还包括在光出射窗处施加的角度反射滤光器(80)。 角度反射滤光片由多个基本上透明的层(81,82,83,84)构成,每层具有基本均匀的厚度。 角度反射滤光器的每组两个相邻层(81,82,83,84)具有不同的折射率。
    • 19. 发明授权
    • Backlight arrangement
    • 背光安排
    • US07824091B2
    • 2010-11-02
    • US12097784
    • 2006-12-05
    • Willem Lubertus IjzermanMichel Cornelis Josephus Marie Vissenberg
    • Willem Lubertus IjzermanMichel Cornelis Josephus Marie Vissenberg
    • F21V7/04
    • G02B6/0048B60K35/00B60K2350/203B60K2350/206G02B6/0053G02B6/0055H04N13/305
    • A backlight arrangement (100) comprising at least a light source (101) and a waveguide plate (102) comprising a front surface (104) and an opposing back surface (103) and at least one surface (107) for receiving light from said light source (101), said surface for receiving light connecting said front and back surfaces is provided. At least one of said front surface (104) and said back surface (103) is a facetted surface comprising a plurality of planar parallel portions (105) and a plurality of facets (106) connecting said planar parallel portions. The facets (106) are formed such that the thickness of said waveguide plate (102) decreases stepwise with the distance from said surface (107) for receiving light, and such that at least part of the light received into the waveguide plate (102) via said surface (107) for receiving light is extracted from said waveguide plate (102) through said facets (106).
    • 包括至少一个光源(101)和包括前表面(104)和相对后表面(103)的波导板(102)的背光布置(100)和用于接收来自所述 提供光源(101),用于接收连接前表面和后表面的光的所述表面。 所述前表面(104)和所述后表面(103)中的至少一个是包括多个平面平行部分(105)和连接所述平面平行部分的多个小平面(106)的刻面。 小面(106)形成为使得所述波导板(102)的厚度随着与用于接收光的所述表面(107)的距离而逐步降低,并且使得至少部分被接收到波导板(102)中的光 通过所述面(106)从所述波导板(102)提取用于接收光的所述表面(107)。
    • 20. 发明授权
    • Illumination system with multiple sets of light sources
    • 具有多组光源的照明系统
    • US07731390B2
    • 2010-06-08
    • US12094616
    • 2006-11-20
    • Ramon Pascal Van GorkomMichel Cornelis Josephus Marie Vissenberg
    • Ramon Pascal Van GorkomMichel Cornelis Josephus Marie Vissenberg
    • F21V9/10
    • G02B6/0068G02B6/0076
    • The present invention relates to an illumination system (200) including a first sub-system (205) comprising a first set (201) of at least two differently colored light sources where the first set (201) has a first spectral distribution, and a first light mixing device (203) arranged in a direction of emission of light from the first set of light sources and configured to mix light emitted by the first set of light sources. The illumination system further includes a second sub-system (206) comprising a second set (202) of at least two light sources where the second (202) set has a second spectral distribution, and a second light mixing device (204), also arranged in a direction of emission of light from the second set of light sources and configured to mix light emitted by the second set of light sources. The light sources are selected such that that the first and the second spectral distribution complement each other, so that a color rendering index (CRI) of light emitted from the illumination system (200) is greater that the CRI of light emitted from each of the sub-systems. Furthermore, the first (205) and the second (206) sub-systems are arranged to emit at least one common color, such as a shade of white.
    • 本发明涉及包括第一子系统(205)的照明系统(200),第一子系统(205)包括至少两个不同颜色的光源的第一组(201),其中第一组(201)具有第一光谱分布,以及 第一光混合装置(203),其布置在从第一组光源发射光的方向上,并且被配置为混合由第一组光源发射的光。 照明系统还包括第二子系统(206),其包括至少两个光源的第二组(202),其中第二组(202)组具有第二光谱分布,以及第二光混合装置(204) 布置在从第二组光源发射光的方向上,并配置成混合由第二组光源发出的光。 光源被选择为使得第一和第二光谱分布彼此互补,使得从照明系统(200)发射的光的显色指数(CRI)大于从每个发射的光的CRI 子系统。 此外,第一(205)和第二(206)子系统被布置成发射至少一种共同的颜色,例如白色的阴影。