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    • 6. 发明申请
    • ASSEMBLY OF A DISPLAY DEVICE AND AN ILLUMINATION SYSTEM
    • 显示装置的组装和照明系统
    • WO0184225A2
    • 2001-11-08
    • PCT/EP0104394
    • 2001-04-18
    • KONINKL PHILIPS ELECTRONICS NVLUMILEDS LIGHTING THE NETHERLA
    • HOELEN CHRISTOPH G AHARBERS GERARD
    • G02F1/13357G09G3/34G09G3/36G02F1/13
    • G09G3/3413G02F1/133603G02F1/133609G02F2201/58G09G3/3607G09G2320/0271G09G2320/0606G09G2320/0626G09G2320/0646G09G2320/066G09G2320/0666G09G2360/144G09G2360/145
    • The system comprises a display device with a pattern of pixels (3) controlled by a control circuit (8) and a backlight system for illuminating the display device, which backlight system comprises a light-emitting panel and a light source (16, 16', 16", ...) associated with the light-emitting panel. The light source comprises a plurality of light-emitting diodes (LEDs) of at least two different colors. The control circuit (8) also controls the luminous flux of the LEDs. Preferably, the intensity of the light emitted by the LEDs (16, 16', 16") varies with the light level of the image to be displayed by the display device. Preferably, the intensity of the light emitted by the backlight system can be controlled on a frame-to-frame basis and, preferably, also for each color. Preferably, the LEDs comprise a plurality of red, green, blue (and amber) LEDs, each, preferably, having a luminous flux of at least 5 lumen. The color point of an image to be displayed on the display screen of the display device is set by the backlight system, enabling an optimum contrast to be obtained for the image to be displayed by the display device.
    • 该系统包括具有由控制电路(8)控制的像素(3)图案的显示装置和用于照亮显示装置的背光系统,该背光系统包括发光面板和光源(16,16' ,16“,...),所述光源包括至少两种不同颜色的多个发光二极管(LED),所述控制电路(8)还控制所述发光面板的光通量 优选地,由LED(16,16',16“)发射的光的强度随着要由显示装置显示的图像的光级而变化。 优选地,由背光系统发射的光的强度可以基于帧到帧来控制,并且优选地也可以针对每种颜色进行控制。 优选地,LED包括多个红色,绿色,蓝色(和琥珀色)LED,每个LED优选地具有至少5流明的光通量。 在显示装置的显示画面上显示的图像的色点由背光系统设定,能够对由显示装置显示的图像获得最佳的对比度。
    • 7. 发明申请
    • ILLUMINATION DEVICE INCLUDING A COLOR SELECTING PANEL FOR RECYCLING UNWANTED LIGHT
    • 照明设备,包括用于回收无光灯的颜色选择面板
    • WO2008081385A8
    • 2009-12-23
    • PCT/IB2007055261
    • 2007-12-20
    • PHILIPS LUMILEDS LIGHTING COKONINKL PHILIPS ELECTRONICS NVBIERHUIZEN SERGE JHARBERS GERARD
    • BIERHUIZEN SERGE JHARBERS GERARD
    • H04N9/31G02B27/14
    • G02B27/102H04N9/3108H04N9/3111H04N9/3158
    • An illumination source (100) includes at least one light emitting diode (104), e.g., in array of LEDs that produce short wavelength light. One or more wavelength converting elements (114A), such as phosphor elements, convert at least a portion of the short wavelength light from the LED(s) (104) to longer wavelengths, such as Red and Green. A dichroic element (110) positioned between the LED(s) and the wavelength converting element(s) transmits the light from the LED(s) and reflects the longer wavelengths from the wavelength converting element(s). A color selection panel (120) selects the colors of light to be produced by the illumination device (100) and to be recycled for another opportunity to be converted by the wavelength converting element(s) (114A) or to be reflected by the dichroic element (110). The color selection panel (120) may operate in one or both of the spatial domain and the temporal domain.
    • 照明源(100)包括至少一个发光二极管(104),例如产生短波长光的LED阵列。 诸如磷光体元件的一个或多个波长转换元件(114A)将来自LED(104)的短波长光的至少一部分转换成较长波长,例如红色和绿色。 位于LED和波长转换元件之间的二向色元件(110)透射来自LED的光并从波长转换元件反射更长的波长。 颜色选择面板(120)选择要由照明装置(100)产生的光的颜色,并且被再循环用于由波长转换元件(114A)转换的另一个机会或由二色性 元件(110)。 颜色选择面板(120)可以在空间域和时域中的一个或两个中操作。
    • 8. 发明申请
    • ILLUMINATION SYSTEM WITH OPTICAL CONCENTRATOR AND WAVELENGTH CONVERTING ELEMENT
    • 带光学集光器和波长转换元件的照明系统
    • WO2007042969A3
    • 2007-09-07
    • PCT/IB2006053625
    • 2006-10-04
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS LUMILEDS LIGHTING CO
    • BIERHUIZEN SERGE J AHARBERS GERARD
    • G02B17/06G02B17/08
    • H04N9/315
    • A light emitting device includes a light emitting element, an optical concentrator, such as a compound parabolic concentrator, a dichroic filter between the light emitting element and the optical concentrator and a wavelength converting material, such as a phosphor. The optical concentrator receives light from the light emitting element, via the dichroic filter, and emits the light from an exit surface, which is smaller than the entrance surface. The optical concentrator may be manufactured from a material with a high refractive index, such as sapphire. The wavelength converting material is, e.g., disposed over the exit surface. The radiance of the wavelength converting material is increased by pumping the wavelength converting material through a high index of refraction material and outputting the converted light into a low refractive index medium, such as air.
    • 发光装置包括发光元件,诸如复合抛物面聚光器的聚光器,发光元件和聚光器之间的二向色滤光器以及诸如磷光体的波长转换材料。 聚光器经由二向色滤光器接收来自发光元件的光,并且从比入射面小的出射面发射光。 聚光器可以由具有高折射率的材料制成,例如蓝宝石。 波长转换材料例如设置在出射表面上方。 通过将波长转换材料泵送通过高折射率材料并将转换后的光输出到低折射率介质(例如空气)中来增加波长转换材料的辐射。