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1. 发明授权

US08339525B2 Projection device with brightness adjustment function and method thereof 失效
标题翻译：具有亮度调节功能的投影装置及其方法
公开(公告)号：US08339525B2
公开(公告)日：2012-12-25
申请号：US12981565
申请日：2010-12-30
申请人： Ping-Yang Chuang , Ying-Chuan Yu , Ying-Xiong Huang , Hsing-Chu Wu
发明人： Ping-Yang Chuang , Ying-Chuan Yu , Ying-Xiong Huang , Hsing-Chu Wu
IPC分类号： G02F1/1335
CPC分类号： G09G3/3406 , G09G2320/0626 , H04N9/3155 , H04N9/3194
摘要： A projection device with a brightness adjustment function includes a polarization beam splitter (PBS), a light source, a reflective display, a lens module, a power supply unit, a light detection unit and a power controller. The light source emits light to the PBS. The PBS reflects a portion of the light to the reflective display, and transmits a remaining portion of the light. The lens module projects the images. The light detection unit acquires a digital value of a portion of the light reflected by the PBS that is not received by the reflective display, and compares the digital value with a predetermined digital value to generate a control signal. The power controller for adjusts power from the power supply unit to the light source according to the control signal until the digital value matches the predetermined digital value of the light from the light source.
摘要翻译：具有亮度调节功能的投影装置包括偏振分束器（PBS），光源，反射显示器，透镜模块，电源单元，光检测单元和电源控制器。光源向PBS发光。 PBS将一部分光反射到反射显示器，并透射光的剩余部分。镜头模块投影图像。光检测单元获取由反射显示器未接收的PBS反射的光的一部分的数字值，并将数字值与预定数字值进行比较以产生控制信号。功率控制器，用于根据控制信号调整从电源单元到光源的电力，直到数字值与来自光源的光的预定数字值相匹配。

2. 发明授权

US08523361B2 Projection device with brightness adjustment function and method thereof 失效
标题翻译：具有亮度调节功能的投影装置及其方法
公开(公告)号：US08523361B2
公开(公告)日：2013-09-03
申请号：US12981563
申请日：2010-12-30
申请人： Ying-Chuan Yu , Ying-Xiong Huang , Hsing-Chu Wu
发明人： Ying-Chuan Yu , Ying-Xiong Huang , Hsing-Chu Wu
IPC分类号： G03B21/14 , G03B21/28 , G02B5/30 , G02B27/14 , G02B27/12 , G02F1/1335
CPC分类号： G03B21/2053 , G03B33/12 , H04N9/3155 , H04N9/3194
摘要： A projection device with an illumination adjustment function includes a polarization beam splitter (PBS), a display, a light source, a lens module, a power supply unit, a light detection unit and a power controller. The light source emits light to the PBS. The lens module projects the images to be displayed by the display. The power supply unit supplies power for the light source. The light detection unit acquires a digital value of a portion of the light transmitted from the PBS, and compares the digital value with a predetermined digital value to generate a control signal. The power controller adjusts power from the power supply unit to the light source according the control signal until the digital value matches the predetermined digital value of the light from the light source.
摘要翻译：具有照明调节功能的投影装置包括偏振分束器（PBS），显示器，光源，透镜模块，电源单元，光检测单元和功率控制器。光源向PBS发光。镜头模块投影由显示屏显示的图像。电源单元为光源供电。光检测单元获取从PBS发送的光的一部分的数字值，并将数字值与预定数字值进行比较以产生控制信号。功率控制器根据控制信号调整从电源单元到光源的功率，直到数字值与来自光源的光的预定数字值相匹配。

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