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1. 发明申请

WO2008139388A1 A DECORATIVE MOIRÉ EFFECT APPLIANCE 审中-公开
标题翻译：装饰用品效果器具
公开(公告)号：WO2008139388A1
公开(公告)日：2008-11-20
申请号：PCT/IB2008/051814
申请日：2008-05-08
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T. , HIDDINK, Martin, G., H. , VISSENBERG, Michel, C., J., M. , TENNER, Ariadne, D. , SORMANI, Joseph, L., A., M.
发明人： KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T. , HIDDINK, Martin, G., H. , VISSENBERG, Michel, C., J., M. , TENNER, Ariadne, D. , SORMANI, Joseph, L., A., M.
IPC分类号： F21S10/00 , F21Y101/02 , F21W121/00
CPC分类号： F21S10/00 , B44F1/10 , F21W2121/00 , F21Y2115/10 , G02B27/60 , G09F19/12
摘要： Proposed is a decorative Moiré effect appliance (1), comprising a housing (10) with an optically transparent portion (11), two grids (20) with a periodicity λ g,1 and λ g,2 arranged in optical relationship with the transparent window (11), and the housing comprising a light source (30). The decorative Moiré effect appliance (1) is characterized in that at least one of the grids comprises optical filters (60). This is especially advantageous as the invention provides a construction capable of creating Moiré effects in a predetermined set of spectral colors in accordance with the spectral characteristics of the filters. Preferably, the two grids (20) are arranged to be part of a multilayer coating. Preferably, one of the grids (20) is provided with a lenticular or lenslet array (50). Preferably the color filters (60) comprise electrically controllable liquid crystal cells enabling a dynamic Moiré effect.
摘要翻译：提出了一种装饰性莫尔效应器具（1），其包括具有光学透明部分（11）的壳体（10），具有周期性β1的两个栅格（20），1 < g，2＆gt;与透明窗（11）成光学关系，并且壳体包括光源（30）。装饰莫尔效应器具（1）的特征在于，至少一个栅格包括滤光器（60）。这是特别有利的，因为本发明提供能够根据滤光片的光谱特性在预定的光谱颜色组中产生莫尔效应的结构。优选地，两个格栅（20）布置成是多层涂层的一部分。优选地，网格（20）中的一个设置有透镜或小透镜阵列（50）。优选地，滤色器（60）包括电可控液晶单元，从而实现动态莫尔效应。

2. 发明申请

WO2008139386A1 MOIRÉ EFFECT LUMINATION DEVICE 审中-公开
标题翻译： MOIRÉ效果发光装置
公开(公告)号：WO2008139386A1
公开(公告)日：2008-11-20
申请号：PCT/IB2008/051812
申请日：2008-05-08
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T. , HIDDINK, Martin, G., H. , VISSENBERG, Michel, C., J., M. , TENNER, Ariadne, D. , SORMANI, Joseph, L., A., M.
发明人： KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T. , HIDDINK, Martin, G., H. , VISSENBERG, Michel, C., J., M. , TENNER, Ariadne, D. , SORMANI, Joseph, L., A., M.
IPC分类号： F21S10/00 , F21Y101/02 , F21Y101/00
CPC分类号： F21S10/00 , B44F1/06 , B44F1/10 , F21Y2115/10 , G02B27/60
摘要： Proposed is a Moiré effect lumination device (1), comprising a housing (10) with an optically transparent window (11), a grid (20) with a periodicity λ g arranged in optical relationship with the transparent window (11), and the housing comprising a light source (30). The Moiré effect lumination device (1) is characterized in that the light source (30) comprises an array of light emitting elements (31) with a periodicity λ ls . This is especially advantageous as the Moiré effect can now be realized through the interference effect of the grid and the array of light emitting elements. Preferably, the grid is provided with a lenticular or lenslet array or with color filters. Preferably the color filters (60) comprise electrically controllable liquid crystal cells enabling a dynamic Moiré effect.
摘要翻译：提出了一种莫尔效应照明装置（1），其包括具有光学透明窗口（11）的壳体（10），具有与透明的光学关系的周期性的栅格（20）窗口（11），并且所述壳体包括光源（30）。莫尔效应照明装置（1）的特征在于，光源（30）包括具有周期性ΔLSI的发光元件阵列（31）。这是特别有利的，因为现在可以通过栅格和发光元件阵列的干涉效应来实现莫尔效应。优选地，网格设置有透镜或小透镜阵列或带有滤色器。优选地，滤色器（60）包括电可控液晶单元，从而能够实现动态莫尔效应。

3. 发明申请

WO2009044330A1 LIGHTING SYSTEM, AND METHOD AND COMPUTER PROGRAM FOR CONTROLLING THE LIGHTING SYSTEM 审中-公开
标题翻译：照明系统，以及用于控制照明系统的方法和计算机程序
公开(公告)号：WO2009044330A1
公开(公告)日：2009-04-09
申请号：PCT/IB2008/053959
申请日：2008-09-29
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH , KRIJN, Marcellinus, P., C., M. , ACKERMANN, Bernd , VISSENBERG, Michel, C., J., M. , WENDT, Matthias , BOEKE, Ulrich , PIJLMAN, Fetze , DE ZWART, Siebe, T. , BUDDE, Wolfgang, O. , HENTE, Dirk
发明人： KRIJN, Marcellinus, P., C., M. , ACKERMANN, Bernd , VISSENBERG, Michel, C., J., M. , WENDT, Matthias , BOEKE, Ulrich , PIJLMAN, Fetze , DE ZWART, Siebe, T. , BUDDE, Wolfgang, O. , HENTE, Dirk
IPC分类号： H05B37/02
CPC分类号： H05B37/0218 , A61N5/0618 , A61N2005/0626 , A61N2005/0662 , A61N2005/0663 , F21S8/006 , F21Y2115/10 , G06F19/00 , H05B33/0869 , Y02B20/46
摘要： The invention relates to a lighting system (10), a method of controlling the lighting system and a computer program product. The lighting system comprises a light source (30), a controller (100) for controlling the light source (30), and a light sensor (20). The light source is configured for altering a spectrum of the light emitted by the light source. The light sensor is arranged for sensing spectral information comprising at least two different portions of a spectrum of light impinging on the light sensor. The controller is configured for receiving a sense signal (SS) and for generating a drive signal (DS) supplied to the light source to determine the spectrum of the light emitted by the light source in dependence on the spectral information from the light sensor. The effect of the measures according to the invention is that the sensing of the spectral information of the light impinging on the light sensor enables the controller to adapt the color temperature of the light emitted by the light source such that the perceived color temperature more closely corresponds to the intended color temperature.
摘要翻译：本发明涉及照明系统（10），控制照明系统的方法和计算机程序产品。照明系统包括光源（30），用于控制光源（30）的控制器（100）和光传感器（20）。光源被配置为改变由光源发射的光的光谱。光传感器被布置成用于感测包括入射在光传感器上的光谱的至少两个不同部分的光谱信息。控制器被配置为接收感测信号（SS）并且用于产生提供给光源的驱动信号（DS），以根据来自光传感器的光谱信息来确定由光源发射的光的光谱。根据本发明的措施的效果是，感测光入射到光传感器上的光的光谱信息使得控制器能够适应光源发射的光的色温，使感知的色温更接近于达到预期的色温。

4. 发明申请

WO2010041182A1 BEAM DIRECTION CONTROLLING DEVICE AND LIGHT-OUTPUT DEVICE 审中-公开
标题翻译：光束方向控制装置和光输出装置
公开(公告)号：WO2010041182A1
公开(公告)日：2010-04-15
申请号：PCT/IB2009/054322
申请日：2009-10-02
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , VISSENBERG, Michel, C., J., M. , PIJLMAN, Fetze , KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T. , IJZERMAN, Willem, L.
发明人： VISSENBERG, Michel, C., J., M. , PIJLMAN, Fetze , KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T. , IJZERMAN, Willem, L.
IPC分类号： G02B5/04 , G02B26/10 , G02B3/00 , F21S8/00 , F21V5/02 , F21V5/04 , F21V14/06 , G02B26/08
CPC分类号： G02B3/0062 , F21S8/04 , F21V5/002 , F21V5/004 , F21V5/005 , F21V5/007 , F21V5/008 , F21V5/045 , F21V14/04 , F21V14/06 , G02B3/005 , G02B3/0056 , G02B5/045 , G02B19/0009 , G02B19/0014 , G02B19/0033 , G02B26/0883 , G02B26/108
摘要： A beam direction controlling device (22; 30; 45; 60; 80), for controlling a direction of a light-beam emitted by a light-source (21) and passing through the beam direction controlling device (22; 30; 45; 60; 80). The beam direction controlling device comprises a first optical element (23, 31; 46; 61) having first (32) and second (33) opposing faces and being configured to change a direction of a plurality of parallel light-rays (40) incident on the beam direction controlling device (22; 30; 45; 60; 80) in an incident direction (r i ) at the first face (32) of the first optical element (23, 31; 46; 61) to a primary direction (r p ), different from the incident direction (r i ), at the second face (33) of the first optical element (23, 31; 46; 61); and a second optical element (24, 32; 47; 62) having first (36) and second (37) opposing faces, the second optical element (24, 32; 47; 62) being arranged with the first face (36) of the second optical element (24, 32; 47; 62) facing the second face (33) of the first optical element (23, 31; 46; 61), the second optical element (24, 32; 47; 62) being configured to change a direction of the plurality of light-rays from the primary direction (r p ) at the first face (36) of the second optical element (24, 32; 47; 62) to a secondary direction (r s ) at the second face (37) of the second optical element (24, 32; 47; 62) depending on points (41) of incidence of the light-rays on the first face (36) of the second optical element (24, 32; 47; 62). The beam direction controlling device is configured to allow relative movement between the first and second optical element for controlling the points of incidence of the light rays on the first face of the second optical element, thereby enabling control of the direction of the light-beam.
摘要翻译：用于控制由光源（21）发射并通过光束方向控制装置（22; 30; 45; 45）的光束的方向的光束方向控制装置（22; 30; 45; 60; 80） 60; 80）。光束方向控制装置包括具有第一（32）和第二（33）相对面的第一光学元件（23,31; 46; 61），并被配置为改变多个平行光线（40）入射的方向在第一光学元件（23,31; 46; 61）的第一面（32）处的入射方向（ri）上的光束方向控制装置（22; 30; 45; 60; 80）在第一光学元件（23,31; 46; 61）的第二面（33）处与入射方向（ri）不同的rp）; 以及具有第一（36）和第二（37）相对面的第二光学元件（24,32; 47; 62），所述第二光学元件（24,32; 47; 62）与所述第一面（36）面对第一光学元件（23,31; 46; 61）的第二面（33）的第二光学元件（24,32; 47; 62），第二光学元件（24,32; 47; 62）将第二光学元件（24,32; 47; 62）的第一面（36）处的主方向（rp）的多个光线的方向改变为第二面的次方向（rs）根据第二光学元件（24,32; 47; 62）的第一面（36）上的光线的入射点（41），第二光学元件（24,32; 47; 62））。光束方向控制装置被配置为允许第一和第二光学元件之间的相对运动，用于控制第二光学元件的第一面上的光线的入射点，从而能够控制光束的方向。

5. 发明申请

WO2004077124A1 A PASSIVE MATRIX DISPLAY WITH BISTABLE ELECTRO-WETTING CELLS 审中-公开
标题翻译：一个被动矩阵显示与可伸缩的电泳细胞
公开(公告)号：WO2004077124A1
公开(公告)日：2004-09-10
申请号：PCT/IB2004/050119
申请日：2004-02-18
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , IJZERMAN, Willem, L. , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T.
发明人： IJZERMAN, Willem, L. , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M. , DE ZWART, Siebe, T.
IPC分类号： G02B26/02
CPC分类号： G09G3/3433 , G02B26/005 , G09G3/2022 , G09G3/3406 , G09G2300/043 , G09G2300/06 , G09G2310/0251
摘要： A display unit comprising electro-wetting pixels (1300) is provided. The inventive pixels (1300) provide bistable or multi-stable pixel states and thus facilitates passive matrix addressing. For this purpose an additional electrode (1305) is arranged for each multi-stable state. Consequently, each pixel comprises one counter electrode (1306) and at least one pair of address and retain electrodes (1304, 1305). In order to activate a pixel, an address potential is applied to the address and retain electrodes (1304, 1305) in relation to the counter electrode (1306), and in order to deactivate a pixel the potential is removed. In order to retain a current pixel state a retain potential is applied to only the retain electrode (1305) in relation to the counter electrode (1306); the current pixel state, be it active or passive, will then be preserved and the retain potential configuration thus provides a bistable pixel state.
摘要翻译：提供了包括电润湿像素（1300）的显示单元。本发明的像素（1300）提供双稳态或多稳定像素状态，从而有助于无源矩阵寻址。为此，为每个多稳定状态设置附加电极（1305）。因此，每个像素包括一个对电极（1306）和至少一对地址和保持电极（1304,1305）。为了激活像素，将地址电位施加到地址并且相对于对电极（1306）保留电极（1304,1305），并且为了去激活像素，电位被去除。为了保持当前像素状态，相对于对电极（1306）仅将保持电极施加到保持电极（1305）; 当前像素状态（无论是主动还是被动）将被保留，并且保持电位配置因此提供双稳态像素状态。

6. 发明申请

WO2009044334A1 AUTO-STEREOSCOPIC DISPLAY DEVICE 审中-公开
标题翻译：自动立体显示装置
公开(公告)号：WO2009044334A1
公开(公告)日：2009-04-09
申请号：PCT/IB2008/053971
申请日：2008-09-30
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , HIDDINK, Martin, G., H. , DE ZWART, Siebe, T. , WILLEMSEN, Oscar, H. , VISSENBERG, Michel, C., J., M. , KRAAN, Thomas, C. , OP DE BEECK, Marc, J., R. , MUIJS, Remco, T., J.
发明人： HIDDINK, Martin, G., H. , DE ZWART, Siebe, T. , WILLEMSEN, Oscar, H. , VISSENBERG, Michel, C., J., M. , KRAAN, Thomas, C. , OP DE BEECK, Marc, J., R. , MUIJS, Remco, T., J.
IPC分类号： H04N13/00
CPC分类号： H04N13/312 , G02B27/2242 , G02B27/2285 , G02B27/26 , H04N13/305 , H04N13/351
摘要： An auto-stereoscopic display device which addresses the problem of how to provide an improved three dimensional effect without degrading the resolution of the views. The auto-stereoscopic display device comprises: image forming means having an array of display pixels for producing a display; view forming means positioned in registration with the image forming means and having an array of view forming elements, the view forming elements each being configurable to focus the outputs of groups of the display pixels into a plurality of views projected towards a user in different directions; and view deflecting means positioned in registration with the view forming means, the view deflecting means being arranged to selectably change the directions in which the plurality of views are projected towards the user. The view deflecting means comprise at least one birefringent prism having a first refractive index for light having a first polarization direction and a second refractive index for light having a second polarization direction. The view deflecting means further comprise a polarization switch in registration with the birefringent prism for providing the birefringent prism with display light having the first or second polarization direction. Specific arrangements of the image forming means, the view forming means and the view deflection means provide an even distribution of pixels and virtual pixels associated with the deflected views
摘要翻译：一种解决如何提供改进的三维效果而不降低视图分辨率的问题的自动立体显示装置。自动立体显示装置包括：具有用于产生显示的显示像素阵列的图像形成装置; 视图形成装置定位成与图像形成装置对准并且具有视图形成元件的阵列，所述视图形成元件各自可配置为将显示像素的组的输出聚焦成朝向用户在不同方向上投影的多个视图; 并且将视角偏转装置设置成与视图形成装置对准，视图偏转装置被布置成可选地改变多个视图朝向使用者投射的方向。视角偏转装置包括至少一个双折射棱镜，其具有用于具有第一偏振方向的光的第一折射率和具有第二偏振方向的光的第二折射率。视角偏转装置还包括与双折射棱镜对准的偏振开关，用于为双折射棱镜提供具有第一或第二偏振方向的显示光。图像形成装置，视图形成装置和视图偏转装置的具体布置提供与偏转视图相关联的像素和虚拟像素的均匀分布

7. 发明申请

WO2009125313A1 ILLUMINATION SYSTEM, BACKLIGHTING SYSTEM AND DISPLAY DEVICE 审中-公开
标题翻译：照明系统，照明系统和显示设备
公开(公告)号：WO2009125313A1
公开(公告)日：2009-10-15
申请号：PCT/IB2009/051363
申请日：2009-04-01
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , PIJLMAN, Fetze , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M. , CASPER, Lars, C.
发明人： PIJLMAN, Fetze , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M. , CASPER, Lars, C.
IPC分类号： G02B6/00 , F21V8/00
CPC分类号： G02B6/0033 , G02B6/0036
摘要： The invention relates to an illumination system (10), a backlighting system and a display device. The illumination system comprises a light source (20) configured to emit light via a light guide (30) to a light exit window (40) of the illumination system. The light guide has a front wall (32) arranged opposite a rear wall (34) so as to guide light in a direction substantially parallel to the front wall. A distance (D) between the light guide (30) and the light exit window (40) reduces towards an edge (42) of the light exit window (40). The light guide (30) further comprises a light entrance window (36) for receiving the light from the light source which is arranged away from the edge of the light exit window. The illumination system according to the invention has, inter alia, the effect that its thickness may be reduced at the edge of the light exit window.
摘要翻译：本发明涉及照明系统（10），背光系统和显示装置。照明系统包括被配置为经由光导（30）向照明系统的光出射窗（40）发射光的光源（20）。光导具有与后壁（34）相对布置的前壁（32），以便在基本上平行于前壁的方向上引导光。光导（30）与光射出窗（40）之间的距离（D）朝向光出射窗（40）的边缘（42）减小。光导（30）还包括用于接收来自光源的光的光入射窗（36），远离光出射窗的边缘。根据本发明的照明系统尤其具有在光射出窗口的边缘处其厚度可能减小的效果。

8. 发明申请

WO2009087587A1 LIGHTING SYSTEM 审中-公开
标题翻译：照明系统
公开(公告)号：WO2009087587A1
公开(公告)日：2009-07-16
申请号：PCT/IB2009/050019
申请日：2009-01-06
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , VISSENBERG, Michel, C., J., M. , VAN GORKOM, Ramon, P. , KRIJN, Marcellinus, P., C., M. , DEKKER, Tim
发明人： VISSENBERG, Michel, C., J., M. , VAN GORKOM, Ramon, P. , KRIJN, Marcellinus, P., C., M. , DEKKER, Tim
IPC分类号： F21S2/00 , G02B6/00 , F21V14/00 , F21Y101/02 , F21V8/00 , F21V5/04 , F21V5/00
CPC分类号： G02B3/0056 , F21V5/00 , F21V5/007 , F21V5/04 , F21V5/045 , F21V14/00 , F21V14/003 , F21V2200/20 , F21V2200/30 , F21W2121/004 , F21Y2105/00 , F21Y2105/10 , F21Y2115/10 , F21Y2115/15 , G02B3/08 , G02B6/004 , G02B6/005
摘要： The present invention relates to a lighting system (1), comprising a light guide (5) having a first and a second surface facing each other, wherein at least one of the surfaces is capable of providing light in a first direction (100, 200). The lighting system (1) further comprises means capable of providing light (20), wherein the means capable of providing light (20) is disposed at at least one of said surfaces, and means (30, 31, 32, 35, 36) for shaping light from the means capable of providing light, wherein the shaping means (30, 31, 32, 35, 36) is arranged to shape light in the first direction (100, 200).
摘要翻译：本发明涉及一种照明系统（1），包括具有彼此面对的第一和第二表面的光导（5），其中至少一个表面能够沿第一方向（100,200 ）。照明系统（1）还包括能够提供光（20）的装置，其中能够提供光（20）的装置设置在至少一个所述表面上，以及装置（30,31,32,35,36）用于对来自能够提供光的装置的光进行成形，其中所述成形装置（30,31,32,35,36）被布置成在所述第一方向（100,200）上成形光。

9. 发明申请

WO2008044185A2 WINDOW ASSEMBLY FOR IRRADIATING INFRARED LIGHT 审中-公开
标题翻译：用于辐射红外光的窗户装配
公开(公告)号：WO2008044185A2
公开(公告)日：2008-04-17
申请号：PCT/IB2007/054077
申请日：2007-10-08
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , IJZERMAN, Willem, L. , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M.
发明人： IJZERMAN, Willem, L. , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M.
IPC分类号： E06B3/67 , F24C7/04 , F24D13/02 , H05B6/80 , H05B3/00
CPC分类号： H05B3/008 , E06B2009/247
摘要： A window assembly (100,110,120,130) for irradiating infrared light (L) comprises a light guide (5) for infrared light (L), which is formed by a gap between a first transparent substrate (2), having an exterior surface and an interior surface, which faces the light guide (5), and a second transparent substrate (3) substantially parallel to the first transparent substrate (2) and having an exterior surface and an interior surface, which faces the light guide (5) and the interior surface of the first transparent substrate (3). A first and a second reflective layer (12,13), that are both substantially reflective for infrared light (L), extend over the interior surfaces of respectively the first and the second transparent substrate (2,3). The second reflective layer (13) is provided with an opening (21) through which at least part of the infrared light (L) exits the light guide (5). In one embodiment, the window assembly further comprises an infrared light source (1) for directing the infrared light (L) into the light guide (5). In this way the infrared light (L) leaves the light guide (5) in one main direction through the opening (21) of the second reflective layer (13) and through the second transparent substrate (3), thereby generating heat in one main direction only.
摘要翻译：用于照射红外光（L）的窗组件（100,110,120,130）包括用于红外光（L）的光导（5），所述导光体（5）由第一透明基板（2）之间的间隙形成，所述第一透明基板具有外表面和内表面面向导光体（5）的第二透明基板（3）和与第一透明基板（2）大致平行的第二透明基板（3），具有与导光体（5）相对的外表面和内表面的第一透明基板（3）。对于红外光（L）都是基本反射的第一和第二反射层（12,13）分别在第一和第二透明基板（2,3）的内表面上延伸。第二反射层（13）设置有开口（21），红外光（L）的至少一部分通过该开口离开光导（5）。在一个实施例中，窗户组件还包括用于将红外光（L）引导到光导（5）中的红外光源（1）。以这种方式，红外光（L）通过第二反射层（13）的开口（21）并穿过第二透明基板（3）沿一个主方向离开导光体（5），从而在一个主体方向。

10. 发明申请

WO2006043202A1 ILLUMINATION SYSTEM 审中-公开
标题翻译：照明系统
公开(公告)号：WO2006043202A1
公开(公告)日：2006-04-27
申请号：PCT/IB2005/053336
申请日：2005-10-11
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M.
发明人： VISSENBERG, Michel, C., J., M. , KRIJN, Marcellinus, P., C., M.
IPC分类号： H04N9/31
CPC分类号： H04N9/3117
摘要： The present invention relates to an illumination system (10, 50) for a projection display device. The system comprises an integrator arrangement (14, 58) having at least one entrance aperture (16, 64), a light source (24, 54), and means (26, 56, 61) for directing light from the light source towards the at least one entrance aperture. The illumination system is characterized by a retro-reflector (34, 66) being arranged directly adjacent to said at least one entrance aperture. One advantage offered by the invention is that the efficiency of use of lumen output from the light source is increased. The invention also relates to a projection display device (80) comprising such illumination system.
摘要翻译：本发明涉及一种用于投影显示装置的照明系统（10,50）。该系统包括具有至少一个入射孔（16,64），光源（24,54）的积分器装置（14,58）和用于将来自光源的光朝向至少一个入口孔。照明系统的特征在于与所述至少一个入口孔直接相邻布置的后向反射器（34,66）。本发明提供的一个优点是增加了来自光源的流明输出的使用效率。本发明还涉及包括这种照明系统的投影显示装置（80）。

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