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    • 2. 发明申请
    • BACKLIGHT FOR A DISPLAY
    • 显示器的背光
    • WO2012020371A2
    • 2012-02-16
    • PCT/IB2011/053544
    • 2011-08-09
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.LANGENDIJK, Erno Hermanus AntoniusONAC, Gabriel-Eugen
    • LANGENDIJK, Erno Hermanus AntoniusONAC, Gabriel-Eugen
    • G02B6/00
    • G02B6/0075G02B6/0073G02B6/4298G09G3/342G09G3/36G09G2300/023G09G2320/0646
    • A backlight for a display comprises a group of elongated light guides (209, 211, 213) arranged to illuminate an elongated strip (203) of the display. Each of the elongated light guides (209, 211, 213) comprises a light in-coupling for receiving light and at least one light out-coupling (217, 219, 221) for radiating light where the light out-couplings (217, 219, 221) have a restricted extension in a longitudinal direction of the elongated light guides (209, 211, 213). Each of the plurality of light sources (215) are arranged to feed light to a light in-coupling of one of the plurality of elongated light guides (209, 211, 213). The light out-couplings (217, 219, 221) for the elongated light guides (209, 211, 213) have different offsets along the longitudinal direction of the elongated strip. The approach may allow a two-dimensional segmentation of the backlight using substantially one dimensional light guides thereby providing a local dimming backlight based on edge illuminating light sources. Thus, low complexity, cost and display depth can be achieved.
    • 用于显示器的背光源包括布置成照亮显示器的细长条(203)的一组细长光导(209,211,213)。 每个细长光导(209,211,213)包括用于接收光的光输入耦合器和用于辐射光的至少一个光输出耦合器(217,219,221),其中光输出耦合器(217,219 ,221)在所述细长光导(209,211,213)的纵向方向上具有受限延伸。 多个光源(215)中的每一个被布置成将光馈送到多个细长光导(209,211,213)中的一个的入射耦合。 用于细长光导(209,211,213)的光输出耦合(217,219,221)沿着细长条的纵向具有不同的偏移。 该方法可以使用基本上一维光导来允许背光的二维分割,从而基于边缘照射光源提供局部调光背光。 因此,可以实现低复杂性,成本和显示深度。
    • 3. 发明申请
    • LIGHT-GUIDE FOR AN ILLUMINATION SYSTEM AND FOR A SCANNING BACKLIGHT SYSTEM
    • 用于照明系统和扫描背光系统的指南
    • WO2011051871A1
    • 2011-05-05
    • PCT/IB2010/054811
    • 2010-10-25
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.ONAC, Gabriel-EugenKRIJN, Marcellinus, Petrus, Carolus, Michael
    • ONAC, Gabriel-EugenKRIJN, Marcellinus, Petrus, Carolus, Michael
    • G02B6/00
    • G02B6/0046G02B6/0021G02B6/0036G02B6/0061G02B6/0078G02B6/008
    • The invention relates to a light-guide (100), an illumination system (200), a luminaire (400), a scanning backlight system (200) and a display device. The light-guide comprises a plurality of light-guide segments (10), each light-guide segment being substantially optically separated from a neighboring light-guide segment. Each light-guide segment comprises light-extraction means (40) for extracting at least part of the distributed light via a front wall (20) to illuminate in operation a light output window (220). A distance (D) between the front wall and the light output window being smaller at a center (C) of the front wall compared to a predefined edge (50) of the front wall. The predefined edge of the front wall is an edge at which the light-guide segment is arranged adjacent to the neighboring light-guide segment. An effect of the light-guide according to the invention is that the increased distance at the predefined edge of the front wall between the front wall and the light output window reduces local variations in intensity and/or color and/or distribution of the light due to mixing of the light before the light impinges on the light-output window.
    • 本发明涉及光导(100),照明系统(200),照明器(400),扫描背光系统(200)和显示装置。 导光体包括多个导光段(10),每个导光段基本上与邻近的光导段分开。 每个光导段包括光提取装置(40),用于经由前壁(20)提取至少部分分布的光,以在操作中照亮光输出窗(220)。 与前壁的预定边缘(50)相比,前壁和光输出窗口之间的距离(D)在前壁的中心(C)处较小。 前壁的预定边缘是光导段邻近邻近的光导段布置的边缘。 根据本发明的光导的效果是在前壁和光输出窗之间的前壁的预定边缘处的增加的距离减小了光的强度和/或颜色和/或分布的局部变化, 在光入射到光输出窗口之前混合光。
    • 4. 发明申请
    • LIGHT GUIDE WITH OUTCOUPLING ELEMENTS
    • 带引导元件的指南
    • WO2010052633A1
    • 2010-05-14
    • PCT/IB2009/054858
    • 2009-11-02
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.KRIJN, Marcellinus, P., C., M.ONAC, Gabriel-Eugen
    • KRIJN, Marcellinus, P., C., M.ONAC, Gabriel-Eugen
    • G02B6/00F21V8/00
    • G02B6/005G02B6/0043
    • The invention relates to a light guide (3) comprising a light receiving surface (4) for receiving light, a front surface (6) and a rear surface (7). The light guide is adapted to guide light received by said light receiving surface by means of total internal reflection at said front surface and said rear surface, and further comprises a plurality of outcoupling elements (5) arranged on said rear surface for outcoupling light from the light guide such that at least part of the light that is outcoupled by the outcoupling elements exits the light guide through said front surface. At least part of said outcoupling elements comprises a wavelength converting material. The light guide according to the invention allows tuning of the color temperature of white light emitted by a light-emitting device comprising the light guide by modifying the composition and/or distribution of the outcoupling elements.
    • 本发明涉及一种包括用于接收光的光接收表面(4),前表面(6)和后表面(7)的光导(3)。 所述光导件适于通过所述前表面和所述后表面处的全内反射来引导由所述光接收表面接收的光,并且还包括布置在所述后表面上的多个输出耦合元件(5),用于从 光引导件,使得由外耦合元件输出的光的至少一部分通过所述前表面离开光导。 所述外耦合元件的至少一部分包括波长转换材料。 根据本发明的光导允许通过改变外耦合元件的组成和/或分布来调节由包括导光体的发光装置发射的白光的色温。
    • 5. 发明申请
    • ARTIFICIAL DAYLIGHT SOURCE
    • 人造天光源
    • WO2013050918A1
    • 2013-04-11
    • PCT/IB2012/055247
    • 2012-10-01
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.
    • VAN HERPEN, Maarten Marinus Johannes WilhelmusONAC, Gabriel-Eugen
    • F21V9/02F21K99/00F21Y101/02
    • F21V9/02F21K9/64F21V9/30F21Y2105/00F21Y2105/10F21Y2115/10F21Y2115/15
    • A light emitting arrangement (100), comprising: • - a light source (101) comprising a light out-coupling surface, adapted to emit light of a first wavelength range; and • - a wavelength converting member (102) capable of converting light of said wavelength range into light of a second wavelength range, the wavelength converting member (102) being arranged at a distance from the light source (101) and centrally aligned with the light out-coupling surface light source (101), and being arranged to receive and partially convert a central portion of the light emitted by the light source (101) while allowing light emitted by the light source (101) in a peripheral direction to pass beside the wavelength converting member (102). In this way the light emitting arrangement (100) provides light of first color in a normal direction and a light of another non-converted color in a peripheral direction, which may give a more realistic impression of daylight.
    • 一种发光装置(100),包括: - 光源(101),包括适于发射第一波长范围的光的出光耦合表面; 和。 - 波长转换构件(102),其能够将所述波长范围的光转换成第二波长范围的光,所述波长转换构件(102)布置在距离所述光源(101)一定距离并且与所述光出口 耦合面光源(101),并且被布置成接收并部分地转换由光源(101)发射的光的中心部分,同时允许光源(101)沿周向发射的光通过 波长转换部件(102)。 以这种方式,发光装置(100)在正常方向上提供第一颜色的光,并在周向方向上提供另一未转换的颜色的光,这可能给出更逼真的日光印象。
    • 10. 发明申请
    • AN OPTICAL ELEMENT FOR OBTAINING A DAYLIGHT APPEARANCE, A LIGHTING SYSTEM AND A LUMINAIRE
    • 用于获得日光外观的光学元件,照明系统和灯泡
    • WO2012140579A2
    • 2012-10-18
    • PCT/IB2012/051764
    • 2012-04-11
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.ONAC, Gabriel-EugenKRIJN, Marcellinus, Petrus, Carolus, Michael
    • ONAC, Gabriel-EugenKRIJN, Marcellinus, Petrus, Carolus, Michael
    • F21V9/02F21V11/06F21W121/00
    • F21V9/02F21V11/06F21W2121/008
    • An optical element 100 for use in front of a light source 102 for obtaining a skylight appearance, a lighting system and a luminaire are provided. The optical element 100 comprises a light transmitting cell which comprises a light transmitting channel 116, a light input window 106, a light exit window 110 and a wall 108. The light transmitting channel 116 collimates a part of light 104 emitted by the light source 102. The light input window 106 is arranged at a first side of the light transmitting channel 116 and receives light 104 from the light source 102. The light exit window 110 emits light with the skylight appearance. At least a part of the light exit window 110 is arranged at a second side of the light transmitting channel 116 opposite to the first side. The wall 108 is interposed between the light input window 106 and the part of the light exit window 110. The wall 108 encloses the light transmitting channel 116. At least a part of the wall 108 is reflective and/or transmissive in a predefined spectral range to obtain a blue light emission at relatively large light emission angles with respect to a normal to the part of the light exit window 110.
    • 提供了用于获得天窗外观的光源102前方的光学元件100,照明系统和照明装置。 光学元件100包括透光单元,其包括透光通道116,光输入窗口106,光出射窗口110和壁108.透光通道116准直由光源102发射的光的一部分 光输入窗口106布置在光透射通道116的第一侧并且接收来自光源102的光104.光出射窗110发出具有天窗外观的光。 光出射窗110的至少一部分布置在光传输通道116的与第一侧相对的第二侧。 壁108插入在光输入窗106和光出射窗110的一部分之间。壁108包围透光通道116.壁108的至少一部分在预定的光谱范围内是反射和/或透射的 以相对于光出射窗110的部分的法线在相对大的发光角度获得蓝光发射。