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    • 5. 发明申请
    • LCD BACKLIGHTING UNIT
    • 液晶背光单元
    • WO2007042968A1
    • 2007-04-19
    • PCT/IB2006/053613
    • 2006-10-03
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.HELLEBREKERS, WimBLEEKER, Hendrik, M.MEEUSEN, JorgenMIERMANS, Hubertus, C.BREMER, Petrus, J.
    • HELLEBREKERS, WimBLEEKER, Hendrik, M.MEEUSEN, JorgenMIERMANS, Hubertus, C.BREMER, Petrus, J.
    • G02F1/13357H01J61/54H01J61/56F21V23/00G09G3/34
    • G02F1/133604G02F1/133605G09G3/342G09G2320/0233H01J9/385H01J9/395H01J61/10H01J61/305H01J61/547H01J65/046
    • The invention relates to a backlight system (Bl - BlO) for illuminating a display device, comprising a light emission window (EW) for emitting light in the direction of a display device (Di), and an electrically conductive plate (Bs), at least a part of which plate is arranged opposite to the light emission window, and at least one fluorescent lamp (TL) arranged between said light emission window and said electrically conductive plate, said at least one fluorescent lamp having a first end section (Sl), a middle section (S2), and a second end section (S3). The electrically conductive plate (Bs) has a construction such that, during operation of the backlight system, the degree of electrical coupling between the middle section of the at least one fluorescent lamp and a section of the electrically conductive plate associated with said middle section is higher than the degree of electrical coupling between the first end section and/or the second end section of the at least one fluorescent lamp and sections or a section of the electrically conductive plate associated with said first end section and/or said second end section, respectively. As a result, the ignition behavior of the lamp is improved. Furthermore, the light output of the lamp can be locally controlled.
    • 本发明涉及一种用于照明显示装置的背光系统(B1-B1O),包括用于在显示装置(Di)的方向上发射光的发光窗口(EW)和导电板(Bs) 至少一部分板被布置成与发光窗口相对,以及布置在所述发光窗口和所述导电板之间的至少一个荧光灯(TL),所述至少一个荧光灯具有第一端部分(S1) ,中间部(S2)和第二端部(S3)。 导电板(Bs)具有这样的结构,使得在背光系统的操作期间,至少一个荧光灯的中间部分和与所述中间部分相关联的导电板的一部分之间的电耦合度是 高于所述至少一个荧光灯的第一端部部分和/或第二端部部分之间的电耦合程度,以及与所述第一端部部分和/或所述第二端部部分相关联的部分或导电板的部分, 分别。 结果,灯的点火特性得到改善。 此外,灯的光输出可以被局部控制。
    • 6. 发明申请
    • A RELATIVE FLUX SENSOR AND A METHOD OF DETERMINING A RATIO BETWEEN MAXIMUM LIGHT INTENSITIES, A CONTROL DEVICE, A COLOR TUNABLE LAMP, A LUMINAIRE AND A COMPUTER PROGRAM PRODUCT
    • 相对通量传感器和确定最大光强度之间的比例的方法,控制装置,彩色可调节灯,灯泡和计算机程序产品
    • WO2011161600A2
    • 2011-12-29
    • PCT/IB2011/052648
    • 2011-06-17
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VINKENVLEUGEL, Lucius, TheodorusMCCORMACK, James, Joseph, AnthonyMEEUSEN, Jorgen
    • VINKENVLEUGEL, Lucius, TheodorusMCCORMACK, James, Joseph, AnthonyMEEUSEN, Jorgen
    • H05B33/08
    • H05B37/02H05B33/0869
    • A relative flux sensor (122) and a method of characterizing characteristics of light emitters are provided. The relative flux sensor (122) comprises a color point sensor(108) and a sensor color (118). The color point sensor (108) measures a color point in a color space of light emitted by a light source (101) comprising a first light emitter (102) for emitting light of a first color and a second light emitter (114) for emitting light of a second color being different from the first color. The light source (101) is arranged for emitting light of a controllable color,being a mix of light of the first color and light of the second color. The sensor controller (118) is coupled to the color point sensor (108) for receiving a measuring signal and is arranged for i)providing a first signal to the light source (101), the first signal comprising a dimming factor D1 and a dimming factor D2, the dimming factor D1 and the dimming factor D2 indicating a fraction of a maximum flux of the first light emitter(102) and the second light emitter (114), respectively, and receiving the measuring signal representing a first color point when the light source (101) emits light according to the first signal, wherein at least one of the dimming factors D1 and D2 is different from 0, ii) providing a second signal to the light source (101), the second signal comprising a dimming factor D4 and a dimming factor D5, the dimming factor D4 and the dimming factor D indicating a fraction of the maximum flux of the first light emitter (102) and the second light emitter (114), respectively, and receiving the measuring signal representing a second color point when the light source (101) emits light according to the second signal, wherein both dimming factors D4 and D5 are different from 0, iii) calculating within a model of the color 20 space a ratio between a maximum flux of the first light emitter (102) and a maximum flux of the second light emitter (114) on the basis of the first color point, the second color point, the dimming factors D1, D2, D4 and D5.
    • 提供了相对磁通传感器(122)和表征发光体特性的方法。 相对通量传感器(122)包括色点传感器(108)和传感器颜色(118)。 色点传感器(108)测量由包括用于发射第一颜色的光的第一光发射器(102)和用于发射第一颜色的第二光发射器(114)的光源(101)发射的光的颜色空间中的色点, 第二种颜色的光不同于第一种颜色。 光源(101)被布置用于发射可控颜色的光,其是第一颜色的光和第二颜色的光的混合。 传感器控制器(118)耦合到色点传感器(108),用于接收测量信号,并且被设置为i)向光源(101)提供第一信号,第一信号包括调光因子D1和调光 因子D2,调光因子D1和调光因子D2分别指示第一光发射器(102)和第二光发射器(114)的最大通量的一部分,并且当第一色光点 光源(101)根据第一信号发光,其中调光因子D1和D2中的至少一个与0不同,ii)向光源(101)提供第二信号,第二信号包括调光因子 D4和调光因子D5,调光因子D4和调光因子D分别表示第一光发射器(102)和第二光发射器(114)的最大通量的一部分,并且接收表示第二光发射器 颜色 当光源(101)根据第二信号发光时,其中调光因子D4和D5都与0不同,iii)在颜色20空间的模型内计算第一光发射器的最大通量之间的比率 (102)和基于第一色点,第二色点,调光因数D1,D2,D4和D5的第二光发射器(114)的最大通量。