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    • 13. 发明申请
    • BEAM SHAPING DEVICE
    • 波束形成装置
    • WO2009037617A1
    • 2009-03-26
    • PCT/IB2008/053681
    • 2008-09-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN BOMMEL, TiesHIKMET, Rifat, A., M.KRAAN, Thomas, C.DESSAUD, Nathalie, M., D.STRÖMER, Jan, F.
    • VAN BOMMEL, TiesHIKMET, Rifat, A., M.KRAAN, Thomas, C.DESSAUD, Nathalie, M., D.STRÖMER, Jan, F.
    • G02F1/29
    • G02F1/29G02F1/134363G02F2001/133742G02F2201/122
    • A beam shaping device (1; 50; 60) comprising first (3) and second (4) substrates, a liquid crystal layer (2) sandwiched between the substrates, and a first electrode layer (5; 51) provided on a side of the first substrate (3) facing the liquid crystal layer (2). The beam shaping device is controllable between beam shaping states, each permitting passage of light through the beam shaping device, and further comprises an insulating layer (7) covering the first electrode layer (5; 51) and a second electrode layer (6; 53) provided on top of the insulating layer. The second electrode layer (6; 53) comprises a conductor pattern exposing a portion of the insulating layer (7). The beam shaping device is configured in such a way that application of a voltage (V) between the first (5; 51) and second (6; 53) electrode layers causes liquid crystal molecules comprised in a portion of the liquid crystal layer (2) corresponding to the exposed portion of the insulating layer to tilt in a plane perpendicular to the liquid crystal layer, resulting in a local refractive index gradient, thereby enabling shaping of a beam (8) of light passing through the beam shaping device.
    • 1.一种包括第一(3)和第二(4)基板的光束整形装置(1; 50; 60),夹在所述基板之间的液晶层(2)和设置在所述基板之间的第一电极层 所述第一基板(3)面向所述液晶层(2)。 光束整形装置可以在光束整形状态之间控制,每个状态允许光通过光束整形装置,并且还包括覆盖第一电极层(5; 51)和第二电极层(6; 53)的绝缘层 )设置在绝缘层的顶部。 第二电极层(6; 53)包括露出绝缘层(7)的一部分的导体图案。 光束整形装置被配置成使得在第一(5; 51)和第二(6; 53)电极层之间施加电压(V)导致液晶分子包含在液晶层(2)的一部分中 )对应于绝缘层的暴露部分在垂直于液晶层的平面中倾斜,导致局部折射率梯度,由此能够使通过光束整形装置的光束(8)成形。
    • 14. 发明申请
    • BEAM-SHAPING DEVICE
    • 波束形成装置
    • WO2008126049A1
    • 2008-10-23
    • PCT/IB2008/051401
    • 2008-04-14
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HIKMET, Rifat, A., M.VAN BOMMEL, TiesKRAAN, Thomas, C.KUSTERS, Leon, H., C.DE ZWART, Siebe, T.WILLEMSEN, Oscar, H.KRIJN, Marcellinus, P., C., M.
    • HIKMET, Rifat, A., M.VAN BOMMEL, TiesKRAAN, Thomas, C.KUSTERS, Leon, H., C.DE ZWART, Siebe, T.WILLEMSEN, Oscar, H.KRIJN, Marcellinus, P., C., M.
    • G02F1/1343G02F1/29G02B27/22
    • G02F1/134363G02B27/225G02F1/29H04N13/359
    • A beam shaping device (1; 31) comprising first (3; 33) and second (4; 37) optically transparent substrates, a liquid crystal layer (2; 36) sandwiched there between, and first (5; 34) and second (6; 35) electrodes arranged on a side of the liquid crystal layer (2; 36) facing the first substrate (3; 34). The beam shaping device (1; 31) is controllable between beam-shaping states, each permitting passage of light through the beam-shaping device in a direction perpendicular thereto. The beam shaping device (1; 31) is configured in such a way that application of a voltage (V) across the first (5; 34) and second (6; 35) electrodes results in an electric field having a portion essentially parallel to the liquid crystal layer (2; 36) in a segment thereof between neighboring portions of the electrodes (5, 6; 34; 35) and extending substantially from the first substrate (3; 34) to the second (4; 35) substrate. In this way a relatively high refractive index gradient can be obtained across short distances, which enables a very efficient beam shaping. The electric field can be achieved by utilizing electrodes provided on one side of the liquid crystal layer, in a so-called in-plane configuration. The device can be used in an autostereoscopic display device, for switching between 2D and 3D modes.
    • 一种光束成形装置(1; 31),包括第一(3; 33)和第二(4; 37)光学透明基板,夹在其间的液晶层(2; 36)与第一(5,34)和第二 布置在面向第一基板(3; 34)的液晶层(2; 36)侧的电极; 光束成形装置(1; 31)在光束成形状态之间是可控的,每个光束成形装置允许光在垂直于其的方向上通过光束整形装置。 光束整形装置(1; 31)被配置成使得施加跨越第一(5; 34)和第二(6; 35)电极的电压(V)导致电场具有基本上平行于 在所述电极(5,6; 34; 35)的相邻部分之间的部分中的液晶层(2; 36),并且基本上从所述第一基板(3; 34)延伸到所述第二基板(4; 35)。 以这种方式,可以在短距离上获得相对高的折射率梯度,这使得能够非常有效地进行光束成形。 可以通过利用设置在液晶层的一侧上的电极以所谓的平面内构造来实现电场。 该设备可用于自动立体显示设备,用于在2D和3D模式之间切换。
    • 16. 发明申请
    • LIGHTING DEVICE WITH THERMALLY VARIABLE REFLECTING ELEMENT
    • 具有可变温反射元件的照明装置
    • WO2010035171A2
    • 2010-04-01
    • PCT/IB2009/054041
    • 2009-09-16
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN BOMMEL, TiesHIKMET, Rifat, A., M.
    • VAN BOMMEL, TiesHIKMET, Rifat, A., M.
    • F21V14/003F21K9/68F21V9/30F21V9/40F21Y2115/10H01L33/44H01L33/58H01L33/60
    • The invention provides a lighting device (100) comprising a light source (10) arranged to generate light source light (11), an optional luminescent material and a thermally variable reflecting element (60). The optional luminescent material (205) is arranged downstream of the light source (10) and is arranged to convert at least part of the light source light (11) into luminescent material light (211). One or more of the light source (10) and the optional luminescent material (205) generate heat when the light source (10) generates light source light (11). The thermally variable reflecting element (60) is arranged downstream of the light source (10) and the optional luminescent material (205). The thermally variable reflecting element (60) has a first state wherein it is substantially reflecting and a second state wherein it is substantially transparent; heat induces a chance from the first state to the second state. The thermally variable reflecting element (60) is arranged to transmit at least part of one or more selected from the group consisting of the light source light (11) and optional luminescent material light (211) when being in the second state. The lighting device (100) is arranged to transport heat generated by one or more of the light source (10) and the optional luminescent material (205) to the thermally variable reflecting element (60).
    • 本发明提供了一种照明装置(100),包括布置成产生光源光(11)的光源(10),任选的发光材料和热可变反射元件(60)。 可选择的发光材料(205)设置在光源(10)的下游,并且被布置成将至少部分光源光(11)转换成发光材料光(211)。 当光源(10)产生光源光(11)时,光源(10)和可选的发光材料(205)中的一个或多个产生热量。 热可变反射元件(60)布置在光源(10)的下游和可选的发光材料(205)的下游。 热可变反射元件(60)具有其基本反射的第一状态和基本上透明的第二状态; 热量从第一个状态引发到第二个状态。 热可变反射元件(60)被布置成当处于第二状态时透射从由光源光(11)和任选的发光材料光(211)组成的组中的一个或多个的至少一部分。 照明装置(100)被布置成将一个或多个光源(10)和任选的发光材料(205)产生的热量运送到热可变反射元件(60)。