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    • 2. 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。
    • 3. 发明授权
    • Illumination system and display device
    • 照明系统和显示设备
    • US08128273B2
    • 2012-03-06
    • US12446275
    • 2007-10-23
    • Fetze PijlmanGiovanni CenniniMichel Cornelis Josephus Marie Vissenberg
    • Fetze PijlmanGiovanni CenniniMichel Cornelis Josephus Marie Vissenberg
    • F21V7/04
    • G02F1/133606G02B6/005G02B6/0068G02F1/133609G02F1/133611G02F2001/133607
    • An illumination system for illuminating a display device includes a light-mixing chamber having a light-exit window, a rear wall situated opposite the light-exit window, and edge walls which extend between the light-exit window and the rear wall. A surface of the rear wall 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 includes a light source light out-coupling elements. The light source emits light into the light-mixing chamber in a direction substantially parallel to the light-exit window. The illumination system further includes an angularly reflective filter applied at the light-exit window. The angularly reflective filter includes substantially transparent layers, each layer having a substantially uniform thickness. Each set of two adjacent layers of the angularly reflective filter has different refractive indexes.
    • 用于照明显示装置的照明系统包括具有出光窗的光混合室,与光出射窗相对的后壁,以及在出光窗和后壁之间延伸的边缘壁。 后壁的表面基本上是镜面反射的,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具有相对大的入射角。 照明系统还包括光源光输出耦合元件。 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片。 角度反射滤光器包括基本上透明的层,每个层具有基本均匀的厚度。 角度反射滤光片的两组相邻层的每一组具有不同的折射率。
    • 7. 发明申请
    • BACKLIGHTING SYSTEM AND DISPLAY DEVICE
    • 背光系统和显示装置
    • US20100265275A1
    • 2010-10-21
    • US12742698
    • 2008-11-13
    • Fetze PijlmanMichel Cornelis Josephus Marie Vissenberg
    • Fetze PijlmanMichel Cornelis Josephus Marie Vissenberg
    • G09G5/10
    • G02F1/133611G02B6/0078G02F1/133603
    • The invention relates to a backlighting system (10, 11, 12, 13, 14, 15, 16) and to a display device. The backlighting system comprises a plurality of segments (20, 21, 22, 23, 24) for selectively illuminating a predefined area of pixels of a display device. The backlighting system is configured for selectively controlling the intensity and/or color of the light emitted from the segment, each segment comprising a light source (30). The backlighting system (10, 11, 12, 13, 14, 15, 16) further comprises light barriers (40) for limiting the lateralspreading of the light emitted by the light source (30) towards the neighboring segments (20, 21, 22, 23, 24). The light barriers define grid-lines of a grid, and the light source (30) is arranged at a position on the grid-line which at least partially coincides with at least one of the light barriers. The effect of the measures according to the invention is that by positioning the light source of the segment on the same grid-line as the light barriers, the light from the light source spreads on either side of the light barrier towards the neighboring segments. This enables a predefined overlap of the light emitted by the segment towards its neighboring segments without the need for additional thickness of the backlighting system.
    • 本发明涉及背光系统(10,11,12,13,14,15,16)和显示装置。 背光系统包括用于选择性地照亮显示装置的预定区域的像素的多个段(20,21,22,23,24)。 背光系统被配置为选择性地控制从片段发射的光的强度和/或颜色,每个片段包括光源(30)。 背光系统(10,11,12,13,14,15,16)还包括光栅(40),用于限制由光源(30)发射的光朝向邻近片段(20,21,22)的边缘 ,23,24)。 光栅限定栅格的栅格线,并且光源(30)被布置在至少部分地与至少一个光栅重合的网格线上的位置。 根据本发明的措施的效果是通过将光源的光源定位在与光栅相同的格栅线上,来自光源的光在光栅的任一侧向邻近的片段扩散。 这使得能够将段发射的光预定重叠到其相邻的段,而不需要背光系统的额外厚度。