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    • 7. 发明公开
    • Method of controlling vehicle lamp and vehicle lamp
    • 控制车灯和车灯的方法
    • EP2708801A3
    • 2018-04-18
    • EP13184217.1
    • 2013-09-13
    • Koito Manufacturing Co., Ltd.
    • Yagi, Takayuki
    • F21S8/12B60Q1/08
    • F21S41/25B60Q1/085F21S41/176F21S41/365F21S41/645F21S41/675
    • A vehicle lamp includes a two-dimensional image forming device (10), a light source, and a controller (7). The image forming device (10) is disposed near a rear focal point of a projection lens and has a projection plane (11) formed of plural optical elements (12) arranged in a matrix manner. The light source irradiates with light the projection plane. The controller (7) individually drives the optical elements (12) to form, on the projection plane (11), an illumination pattern having a shape corresponding to a light distribution pattern projected by the projection lens ahead the vehicle lamp. The controller (7) sets an output rate per unit time of the optical elements (12) disposed at an end portion of the projection plane to be lower than that of the other optical elements. The light is output from the optical elements disposed at the end portion of the projection plane towards the projection lens at the output rate per unit time thereof.
    • 车灯包括二维图像形成装置(10),光源和控制器(7)。 图像形成装置(10)配置在投影透镜的后侧焦点附近,具有由矩阵状排列的多个光学元件(12)构成的投影面(11)。 光源用光照射投影平面。 控制器7独立地驱动光学元件12以在投影平面11上形成具有与由车辆灯前方的投影透镜投影的光分布图案对应的形状的照明图案。 控制器(7)将布置在投影平面的端部的光学元件(12)的每单位时间的输出速率设置为低于其他光学元件的输出速率。 光以每单位时间的输出速率从设置在投影平面的端部的光学元件朝向投影透镜输出。