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    • 41. 发明申请
    • TRANSPARENT DISPLAY DEVICE
    • 透明显示设备
    • WO2005024501A1
    • 2005-03-17
    • PCT/IB2004/051681
    • 2004-09-03
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.KURT, Ralph
    • KURT, Ralph
    • G02F1/1335
    • H01L27/3232E06B9/24E06B2009/2464G02F1/1335G02F2001/133342G02F2201/44G02F2203/01G09G2300/0842H01L51/5281H01L2251/5323
    • The invention relates to a display device assembly (1) comprising a display device (5) of the transparent type, and a controllable screen (3) for reducing light coming from a rear side of the display device that is positioned at the rear side of the display device. The assembly may comprise a transparent substrate (7) to which the display device is attached, said controllable screen may also be attached to the transparent substrate (7). In an advantageous embodiment the controllable screen (3) is switchable between a substantially light blocking state and a substantially light transmitting state. If the controllable screen is in the blocking state no background radiation is shining through the transparent display device (5) and a displayed image can be viewed without artifacts.
    • 本发明涉及一种显示装置组件(1),包括透明型显示装置(5)和可控制屏幕(3),用于减少来自位于显示装置背面侧的显示装置的后侧的光 显示设备。 组件可以包括透明衬底(7),所述显示装置附接到所述透明衬底(7),所述可控制屏幕还可以附接到所述透明衬底(7)。 在有利的实施例中,可控制的屏幕(3)可在基本上阻光状态和基本上透光的状态之间切换。 如果可控制屏幕处于阻挡状态,则透明显示装置(5)没有背景辐射照射,并且可以看不到显示的图像而没有伪影。
    • 46. 发明申请
    • LED LIGHT SOURCE
    • LED光源
    • WO2013027171A1
    • 2013-02-28
    • PCT/IB2012/054217
    • 2012-08-21
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.KAHLMAN, Henricus Marius Joseph MariaKURT, RalphTAO, Haimin
    • KAHLMAN, Henricus Marius Joseph MariaKURT, RalphTAO, Haimin
    • H05B33/08
    • H05B33/0815H05B33/083
    • A LED light source comprises a first rectifier (DB1) having input terminals coupled to an AC voltage source and output terminals connected by a first series arrangement comprising N LED loads and further comprises circuitry(I1, I2, I3, CC) for making the LED loads one by one carry a current when the momentary value of the AC voltage increases and one by one stop carrying a current when the momentary value of the AC voltage decreases. The LED light source also comprises a second rectifier (DB2) having input terminals coupled to the AC voltage source via a reactive element and output terminals connected by a second series arrangement comprising M LED loads and further comprises circuitry (I4) for making the LED loads one by one carry a current when the momentary value of the AC voltage present at the input terminals of the second rectifier increases and one by one stop carrying a current when the momentary value of the AC voltage decreases.
    • LED光源包括具有耦合到AC电压源的输入端和通过包括N个LED负载的第一串联装置连接的输出端的第一整流器(DB1),并且还包括用于制造LED的电路(I1,I2,I3,CC) 当交流电压的瞬时值增加时,逐个负载一个负载一个电流,并且当交流电压的瞬时值减小时,一个接一个地停止传递电流。 LED光源还包括具有经由电抗元件耦合到AC电压源的输入端子的第二整流器(DB2),以及由包括M LED负载的第二串联装置连接的输出端子,还包括用于使LED负载 当交流电压的瞬时值减小时,当存在于第二整流器的输入端的交流电压的瞬时值增加并且一个接一个地停止传输电流时,一个接一个地携带电流。
    • 47. 发明申请
    • LED LIGHT SOURCE
    • LED光源
    • WO2012168828A2
    • 2012-12-13
    • PCT/IB2012/052690
    • 2012-05-30
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.TAO, HaiminKAHLMANN, Henricus Marius Joseph MariaKURT, Ralph
    • TAO, HaiminKAHLMANN, Henricus Marius Joseph MariaKURT, Ralph
    • H05B33/08
    • H05B33/0845H05B33/0812H05B33/0815H05B33/083H05B33/0842H05B33/0851H05B37/02Y02B20/347Y02B20/348
    • The invention relates to a LED light source,suitable for use with a phase cut dimmer such as a TRIAC dimmer (III), comprising - a first input terminal (K1) and a second input terminal (K2)for connection to a supply voltage source supplying a low frequency AC supply voltage with frequency f, -a rectifier (I) coupled to the input terminals for rectifying the low frequency AC supply voltage, - a series arrangement comprising N LED loads (LL1, LL2, LL3), a first and second end of said series arrangement being coupled to a first output terminal and a second output terminal of the rectifier, - control circuitry (IX) for subsequently making the LED loads conduct a current, one by one, in dependency of the instantaneous value of the low frequency AC supply voltage when the instantaneous value increases and for subsequently making the LED loads stop conducting a current, one by one, in dependency of the instantaneous value of the low frequency AC supply voltage when the instantaneous value decreases, wherein the control circuitry comprises - N control strings comprising a controllable current regulator and coupled between the cathode of a LED load and the second output terminal of the rectifier, and - a global current control circuit (X) coupled to the controllable current regulators for controlling the instantaneous value of the current through the control strings, wherein the controllable current regulators each comprise a series arrangement of a transistor and at least one impedance,and wherein the global current control circuit is coupled to the control electrodes of the transistors comprised in the controllable current regulators and comprises circuitry for adjusting the voltage present at the control electrodes of the transistors comprised in the control strings, in dependency of the adjusted phase angle of the phase cut dimmer, and - a series arrangement of a switch (S) and a capacitor (C1)coupled between the output terminals of the rectifier and control circuitry (VIII) for rendering the switch conductive in case the instantaneous value of the low frequency AC supply voltage drops below a reference value.
    • 本发明涉及一种适用于诸如TRIAC调光器(III)的相位调光器的LED光源,包括:用于连接到电源电压源的第一输入端子(K1)和第二输入端子(K2) 提供具有频率f的低频AC电源电压, - 耦合到输入端的整流器(I),用于整流低频AC电源电压; - 串联装置,包括N个LED负载(LL1,LL2,LL3),第一和 所述串联装置的第二端耦合到整流器的第一输出端和第二输出端;控制电路(IX),用于随后使LED负载根据所述串联装置的瞬时值一个接一个地导通电流 当瞬时值增加时,低频交流电源电压和随后使LED负载依赖于低频交流电源电压的瞬时值逐个停止传导电流,当瞬时值decr 其中控制电路包括N个控制串,其包括可控电流调节器并且耦合在LED负载的阴极和整流器的第二输出端之间,以及耦合到可控电流调节器的全局电流控制电路(X) 用于控制通过控制串的电流的瞬时值,其中可控电流调节器每个包括晶体管和至少一个阻抗的串联布置,并且其中全局电流控制电路耦合到晶体管的控制电极, 可控电流调节器,并且包括用于根据调相相位切割调光器的相位角调整存在于控制串中包括的晶体管的控制电极处的电压的电路,以及 - 开关(S)和 耦合在整流器的输出端子和控制电路(VI)之间的电容器(C1) II),用于在低频AC电源电压的瞬时值低于参考值的情况下使开关导通。