Solid state lighting panels with variable voltage boost current sources
    1.
    发明申请
    Solid state lighting panels with variable voltage boost current sources 有权
    具有可变升压电流源的固态照明面板

    公开(公告)号:US20070115248A1

    公开(公告)日:2007-05-24

    申请号:US11601504

    申请日:2006-11-17

    IPC分类号: G09G3/36

    摘要: A lighting panel system includes a lighting panel having a string of solid state lighting devices and a current supply circuit having a voltage input terminal, a control input terminal, and first and second output terminals coupled to the string of solid state lighting devices. The current supply circuit is configured to supply an on-state drive current to the string of solid state lighting devices in response to a control signal. The current supply circuit includes a charging inductor coupled to the voltage input terminal and an output capacitor coupled to the first output terminal. The current supply circuit is configured to operate in continuous conduction mode in which current continuously flows through the charging inductor while the on-state drive current is supplied to the string of solid state light emitting devices.

    摘要翻译: 照明面板系统包括具有一串固态照明装置的照明面板和具有电压输入端子的电流供给电路,控制输入端子以及耦合到固态照明装置串的第一和第二输出端子。 电流供应电路被配置为响应于控制信号将固态驱动电流提供给固态照明装置串。 电流供应电路包括耦合到电压输入端子的充电电感器和耦合到第一输出端子的输出电容器。 电流供给电路被配置为在连续导通模式下工作,其中电流连续地流过充电电感器,同时将导通状态驱动电流提供给固态发光器件串。

    Adaptive adjustment of light output of solid state lighting panels
    2.
    发明申请
    Adaptive adjustment of light output of solid state lighting panels 有权
    固态照明面板光输出的自适应调整

    公开(公告)号:US20070115662A1

    公开(公告)日:2007-05-24

    申请号:US11368976

    申请日:2006-03-06

    IPC分类号: F21S13/14

    摘要: A lighting panel system includes a lighting panel including a first string of solid state lighting devices configured to emit light at a first wavelength and a second string of solid state lighting devices configured to emit light at a second wavelength, different from the first wavelength, and a current supply circuit configured to supply a drive current to the first string in response to a control signal. A photosensor is arranged to receive light emitted by the panel, and a control system is configured to sample an output signal of the photosensor and adjust the control signal responsive thereto to thereby adjust an average current supplied to the first string by the current supply circuit. Methods of operating a lighting panel are also provided.

    摘要翻译: 照明面板系统包括:照明面板,包括被配置为发射第一波长的光的第一串固态照明装置和被配置为发射与第一波长不同的第二波长的光的固态照明装置的第二串;以及 电流供给电路,被配置为响应于控制信号向第一串提供驱动电流。 光传感器被布置成接收由面板发出的光,并且控制系统被配置为对光传感器的输出信号进行采样,并响应于此调节控制信号,由此调节由电流供应电路提供给第一串的平均电流。 还提供操作照明面板的方法。

    Systems and methods for calibrating solid state lighting panels
    3.
    发明申请
    Systems and methods for calibrating solid state lighting panels 有权
    用于校准固态照明面板的系统和方法

    公开(公告)号:US20070115228A1

    公开(公告)日:2007-05-24

    申请号:US11601410

    申请日:2006-11-17

    IPC分类号: G09G3/32

    摘要: Methods of calibrating a lighting panel including a plurality of segments, each of said segments configured to emit a first color light and a second color light in response to pulse width modulation control signals having respective duty cycles include determining an average segment luminance for the lighting panel, determining a luminance variation of each segment to the average segment luminance, comparing the luminance variation of each segment to a threshold, and adjusting the duty cycle of at least one color of at least one segment to reduce the luminance variation in response to the luminance variation of a segment exceeding the threshold. Calibration systems are also disclosed.

    摘要翻译: 校准包括多个片段的照明面板的方法,响应于具有各自的占空比的脉冲宽度调制控制信号,被配置为发射第一颜色光和第二颜色光的每个所述片段包括确定照明面板的平均片段亮度 将每个段的亮度变化确定为平均段亮度,将每个段的亮度变化与阈值进行比较,以及调整至少一个段的至少一个颜色的占空比,以响应亮度降低亮度变化 段的变化超过阈值。 还公开了校准系统。

    Vehicle headlight control using imaging sensor
    5.
    发明申请
    Vehicle headlight control using imaging sensor 失效
    车载大灯控制采用成像传感器

    公开(公告)号:US20070023613A1

    公开(公告)日:2007-02-01

    申请号:US11545039

    申请日:2006-10-06

    IPC分类号: H01L27/00

    摘要: A vehicle headlamp control method and apparatus includes providing an imaging sensor that senses light in spatially separated regions of a field of view forward of the vehicle. Light levels sensed in individual regions of the field of view are evaluated in order to identify light sources of interest, such as oncoming headlights and leading taillights. The vehicle's headlights are controlled in response to identifying such particular light sources or absence of such light sources. Spectral signatures of light sources may be examined in order to determine if the spectral signature matches that of particular light sources such as the spectral signatures of headlights or taillights. Sensed light levels may also be evaluated for their spatial distribution in order to identify light sources of interest.

    摘要翻译: 一种车辆前照灯控制方法和装置,包括:提供感测车辆前方视场的空间分离区域中的光的成像传感器。 评估在视野的各个区域感测到的光照水平,以便识别感兴趣的光源,例如迎面而来的前大灯和前灯。 响应于识别这种特定光源或不存在这种光源来控制车辆的前灯。 可以检查光源的光谱特征,以便确定光谱特征是否与特定光源的光谱特征匹配,例如头灯或尾灯的光谱特征。 也可以根据其空间分布评估感测的光照水平,以便识别感兴趣的光源。

    Image sensing system for a vehicle
    6.
    发明申请
    Image sensing system for a vehicle 失效
    车辆图像感应系统

    公开(公告)号:US20070176080A1

    公开(公告)日:2007-08-02

    申请号:US11651289

    申请日:2007-01-09

    IPC分类号: H01L27/00

    摘要: An image sensing system for a vehicle includes an imaging sensor comprising a two-dimensional array of light sensing photosensor elements, preferably formed on a semiconductor substrate, and a logic and control circuit comprising an image processor for processing image data derived from the imaging sensor. The logic and control circuit generates at least one control output for controlling at least one light of the vehicle. The imaging sensor is disposed at an interior portion of the vehicle proximate the windshield of the vehicle and has a forward field of view to the exterior of the vehicle through an area of the windshield. The at least one control output preferably controls at least one of (i) a beam state of a headlight; (ii) a beam aim of a headlight; (iii) a beam pattern of a headlight and (iv) a beam intensity of a headlight.

    摘要翻译: 一种用于车辆的图像感测系统包括:成像传感器,包括优选地形成在半导体衬底上的光感测光敏元件的二维阵列;以及包括用于处理从成像传感器导出的图像数据的图像处理器的逻辑和控制电路。 逻辑和控制电路产生用于控制车辆的至少一个光的至少一个控制输出。 成像传感器设置在靠近车辆挡风玻璃的车辆的内部,并且具有通过挡风玻璃的区域到车辆外部的前视场。 所述至少一个控制输出优选地控制(i)前灯的光束状态中的至少一个; (ii)大灯的光束瞄准; (iii)头灯的光束图案和(iv)前灯的光束强度。

    IMAGE SENSING SYSTEM FOR A VEHICLE
    8.
    发明申请
    IMAGE SENSING SYSTEM FOR A VEHICLE 失效
    车辆图像感应系统

    公开(公告)号:US20070120706A1

    公开(公告)日:2007-05-31

    申请号:US11626535

    申请日:2007-01-24

    IPC分类号: G08G1/00

    摘要: An image sensing system for a vehicle includes an imaging sensor and a logic and control circuit. The imaging sensor comprises a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate and is disposed at an interior portion of the vehicle proximate the windshield of the vehicle and has a forward field of view to the exterior of the vehicle through an area of the windshield. The logic and control circuit comprises an image processor for processing image data derived from the imaging sensor. The logic and control circuit generates at least one control output. The image sensing system detects lane markers on a road being traveled by the vehicle and present in the field of view of the imaging sensor.

    摘要翻译: 用于车辆的图像感测系统包括成像传感器和逻辑和控制电路。 成像传感器包括形成在半导体衬底上的光感测光敏元件的二维阵列,并且被布置在靠近车辆挡风玻璃的车辆的内部部分,并且具有通过车辆外部的前视场 挡风玻璃的面积。 逻辑和控制电路包括用于处理从成像传感器导出的图像数据的图像处理器。 逻辑和控制电路产生至少一个控制输出。 图像感测系统检测由车辆行驶的道路上的车道标记,并存在于成像传感器的视场中。