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    • 51. 发明申请
    • LIGHT SOURCE APPARATUS, DISPLAY APPARATUS, TERMINAL APPARATUS, AND CONTROL METHOD THEREOF
    • 光源装置,显示装置,终端装置及其控制方法
    • US20070211013A1
    • 2007-09-13
    • US11681703
    • 2007-03-02
    • Shin-ichi UeharaMasao Imai
    • Shin-ichi UeharaMasao Imai
    • G09G3/36
    • G09G3/3413G09G2310/0235G09G2320/0633G09G2320/0666
    • A light source apparatus has two or more light sources that have different light-emission spectra and that can be controlled independently, and also has light sensors for detecting the quantity of light emitted by the light sources. The light sensors are composed of one type of light sensor that is not provided with a color filter for selecting the wavelength of received light, and the light sensors are sensitive to wavelength ranges that are sufficiently broad to simultaneously receive light in red, green, and blue wavelength ranges. A control circuit controls the two or more light sources to emit light in a time sequential fashion, and compares reference data with the output values of the light sensors to control the quantity of light emitted by the light sources by means of a light source drive circuit. It is thereby possible to reduce the cost and size of a light source apparatus that is capable of correcting changes in hue.
    • 光源装置具有两个或更多个具有不同发光光谱并且可独立控制的光源,并且还具有用于检测由光源发射的光量的光传感器。 光传感器由不具有用于选择接收光的波长的滤色器的一种类型的光传感器组成,并且光传感器对于足够宽以同时接收红色,绿色和/或红色的光的波长范围敏感 蓝色波长范围。 控制电路控制两个或更多个光源以时间顺序发光,并将参考数据与光传感器的输出值进行比较,以通过光源驱动电路来控制光源发射的光量 。 从而可以降低能够校正色调变化的光源装置的成本和尺寸。