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    DAY/NIGHT HUD BACKLIGHTING SYSTEM
    131.
    发明申请
    DAY/NIGHT HUD BACKLIGHTING SYSTEM 有权
    DAY / NIGHT HUD背光系统

    公开(公告)号：US20020114147A1

    公开(公告)日：2002-08-22

    申请号：US09785978

    申请日：2001-02-20

    Applicant: DELPHI TECHNOLOGIES, INC.

    Inventor： Joseph E. Harter JR.

    IPC: G01D011/28

    CPC classification number: G02B6/0038 ,  G01D11/28 ,  G02B6/0031 ,  G02F1/1336 ,  G02F1/133606 ,  G02F2001/133626 ,  G02F2201/58 ,  G09G3/3406 ,  G09G2360/144

    Abstract: A head up display (HUD) has multiple light sources of varying intensities for projecting a high quality image under various lighting conditions. The light sources provide illumination through an electronic display (e.g. an AMLCD) in the HUD. A high brightness light source illuminates the electronic display during bright or day light conditions. A low brightness light source illuminates the electronic display during night or low light conditions. Both light sources illuminate the electronic display during intermediate lighting conditions. A light panel conducts and diffuses light from the light sources to illuminate the rear of the electronic display. An optional light mixer reduces uneven lighting of the high brightness light source. In operation, the intensities of the light sources are controlled as a function of ambient lighting conditions to optimize the projected image quality.

    Abstract translation: 头部显示器（HUD）具有多个不同强度的光源，用于在各种照明条件下投射高质量的图像。 光源通过HUD中的电子显示器（例如AMLCD）提供照明。 在明亮或日光条件下，高亮度光源会照亮电子显示屏。 低亮度光源在夜间或低光条件下照亮电子显示屏。 在中间照明条件下，两个光源照亮电子显示屏。 光面板从光源传导和漫射光以照亮电子显示器的后部。 可选的光混合器可减少高亮度光源的不均匀照明。 在操作中，光源的强度作为环境照明条件的函数被控制以优化投影图像质量。

    Optical circuit
    132.
    发明申请
    Optical circuit 审中-公开
    光电路

    公开(公告)号：US20020006245A1

    公开(公告)日：2002-01-17

    申请号：US09761778

    申请日：2001-01-18

    Inventor： Yoshinobu Kubota ,  Takehito Tanaka

    IPC: G02B006/12

    CPC classification number: G02F1/225 ,  G02B6/122 ,  G02F2201/16 ,  G02F2201/58 ,  G02F2203/48

    Abstract: The present invention relates to an optical circuit having a plurality of optical elements formed therein, and in particular, an optical circuit provided with optical waveguides that guide subsidiary light from an optical element. The optical circuit according to the invention is provided in a substrate 11 having a plurality of optical elements formed therein, with the first optical waveguide 13 that guides light to be outputted from at least one of a plurality of optical elements 12, and a second optical waveguide 14 that guides light emitted and leaking from the first optical waveguide 13.

    Abstract translation: 本发明涉及一种具有形成在其中的多个光学元件的光电路，特别地，涉及一种设置有光学波导的光学电路，该光波导引导来自光学元件的辅助光。 根据本发明的光电路设置在其中形成有多个光学元件的基板11中，第一光波导13引导要从多个光学元件12中的至少一个输出的光，并且第二光学 引导从第一光波导13发射和泄漏的光的波导14。

    Assembly of a display device and an illumination system
    133.
    发明申请
    Assembly of a display device and an illumination system 审中-公开
    显示装置和照明系统的组装

    公开(公告)号：US20010035853A1

    公开(公告)日：2001-11-01

    申请号：US09837937

    申请日：2001-04-19

    Applicant: U.S. PHILIPS CORPORATION

    Inventor： Christoph Gerard August Hoelen ,  Gerard Harbers

    IPC: G09G003/36

    CPC classification number: G09G3/3413 ,  G02F1/133603 ,  G02F1/133609 ,  G02F2201/58 ,  G09G3/3607 ,  G09G2320/0271 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0646 ,  G09G2320/066 ,  G09G2320/0666 ,  G09G2360/144 ,  G09G2360/145

    Abstract: 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, 16null, 16null, . . . ) 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, 16null, 16null) 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.

    Abstract translation: 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“，...），与发光面板相关联。 光源包括至少两种不同颜色的多个发光二极管（LED）。 控制电路（8）还控制LED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。

    Photodetector of liquid crystal display and luminance control device using the same
    134.
    发明授权
    Photodetector of liquid crystal display and luminance control device using the same 失效
    液晶显示器的光电检测器及其使用的亮度控制装置

    公开(公告)号：US06188380B1

    公开(公告)日：2001-02-13

    申请号：US09015719

    申请日：1998-01-29

    Applicant: Hiroshi Kawashima ,  Tatsuhisa Nitta ,  Yoshiyuki Nakashima

    Inventor： Hiroshi Kawashima ,  Tatsuhisa Nitta ,  Yoshiyuki Nakashima

    IPC: G09G336

    CPC classification number: G09G3/3406 ,  G02F1/1336 ,  G02F2201/58 ,  G09G3/3611 ,  G09G2320/041 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2360/145 ,  H01L31/125 ,  H05B41/3922

    Abstract: A combination includes a liquid crystal module having a liquid crystal panel forming a front surface, an opposing back surface, and a backlight structured and arranged to transmit light between the front and back surfaces. A light sensor located behind the back surface detects light transmitted from the backlight through the back surface. The light sensor detects a quantity of light when the backlight is lit at a maximum luminance, and outputs a signal indicative of the quantity of light. A luminance setting means sets a desired luminance by a user as a function of a desired percentage of the maximum lumination of the backlight. A control means controls the luminance of the backlight using the signal as a reference so that the luminance set by the luminance setting means is achieved.

    Abstract translation: 组合包括具有形成前表面的液晶面板，相对背面的液晶模块和被构造和布置成在前表面和后表面之间透射光的背光。 位于后表面后方的光传感器检测从后背透过背光的光。 光传感器在背光以最大亮度点亮时检测光量，并输出表示光量的信号。 亮度设置装置根据背光源的最大照度的期望百分比来设置用户所期望的亮度。 控制装置使用该信号作为参考来控制背光的亮度，从而实现由亮度设定装置设定的亮度。

    Light intensity modulator in an integrated optical circuit with feedback means
    135.
    发明授权
    Light intensity modulator in an integrated optical circuit with feedback means 失效
    具有反馈装置的集成光电路中的光强度调制器

    公开(公告)号：US4340272A

    公开(公告)日：1982-07-20

    申请号：US136474

    申请日：1980-04-02

    Applicant: Michel Papuchon ,  Claude Puech

    Inventor： Michel Papuchon ,  Claude Puech

    IPC: G02B6/12 ,  G02F1/01 ,  G02F1/015 ,  G02F1/025 ,  G02F1/03 ,  G02F1/035 ,  G02F1/225 ,  G02B5/174

    CPC classification number: G02F1/225 ,  G02F1/0123 ,  G02F2201/58 ,  G02F2203/19

    Abstract: The invention relates to a light intensity modulator, in integrated optics and an integrated optical circuit comprising such a modulator.The modulator comprises a two-arm interferometer in which there is created by electro-optical effect, a phase shift controlled by a modulating voltage between the light waves propagated in the two arms. It is characterized by a feedback loop comprising a light separator placed on the output guide of the interferometer, and a photodiode collecting the fraction of output intensity from the separator and supplying an electric voltage which is superimposed in the interferometer on the modulating voltage. Thus linearization of the output intensity-modulating voltage response curve is obtained.

    Abstract translation: 本发明涉及一种集成光学器件中的光强度调制器和包括这种调制器的集成光学电路。 调制器包括双臂干涉仪，其中通过电光效应产生，由在两个臂中传播的光波之间的调制电压控制的相移。 其特征在于包括放置在干涉仪的输出引导件上的光分离器的反馈回路以及从分离器收集输出强度分数的光电二极管，并将叠加在干涉仪中的电压提供给调制电压。 从而获得输出强度调制电压响应曲线的线性化。

    Controlling transitions in optically switchable devices
    140.
    发明授权
    Controlling transitions in optically switchable devices 有权

    公开(公告)号：US11829045B2

    公开(公告)日：2023-11-28

    申请号：US17444010

    申请日：2021-07-29

    Applicant: View, Inc.

    Inventor： Gordon Jack ,  Sridhar K. Kailasam ,  Stephen C. Brown ,  Anshu A. Pradhan

    IPC: G02F1/163 ,  G02F1/01 ,  E06B3/67 ,  E06B9/24

    CPC classification number: G02F1/163 ,  E06B3/6722 ,  E06B9/24 ,  G02F1/0121 ,  E06B2009/2464 ,  G02F2201/58

    Abstract: Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices are often provided on windows such as architectural glass. In certain embodiments, the applied drive voltage is controlled in a manner that efficiently drives an optical transition over the entire surface of the electrochromic device. The drive voltage is controlled to account for differences in effective voltage experienced in regions between the bus bars and regions proximate the bus bars. Regions near the bus bars experience the highest effective voltage. In some cases, feedback may be used to monitor an optical transition. In these or other cases, a group of optically switchable devices may transition together over a particular duration to achieve approximately uniform tint states over time during the transition.

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