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    • 6. 发明申请
    • DRIVING CIRCUIT OF SURFACE LIGHT SOURCE AND METHOD OF DRIVING THE SAME
    • 表面光源的驱动电路及其驱动方法
    • US20080106219A1
    • 2008-05-08
    • US11766909
    • 2007-06-22
    • Jeong Wook HurHwan Woong Lee
    • Jeong Wook HurHwan Woong Lee
    • H05B37/02
    • H05B41/386
    • A driving circuit of a surface light source and a method of driving the same are disclosed, which is suitable for decreasing the luminance-stabilization period of time and improving the low-temperature starting properties by optimizing a starting voltage and current, the driving circuit comprising an inverter controller which feedbacks a current supplied to the surface light source, and compares the feedback current to a preset reference value, to control the current supplied to the surface light source; a temperature sensor which senses an operation temperature of the surface light source; and a driving-condition determining controller which determines operation modes of the surface light source on the basis of the temperature sensed in the temperature sensor, and varies the feedback current inputted to the inverter controller according to the operation modes of the surface light source.
    • 公开了一种表面光源的驱动电路及其驱动方法,其适用于通过优化起动电压和电流来降低亮度稳定时间段并提高低温启动特性,所述驱动电路包括 逆变器控制器,其反馈提供给所述面光源的电流,并将所述反馈电流与预设基准值进行比较,以控制提供给所述表面光源的电流; 感测表面光源的操作温度的温度传感器; 以及驱动条件确定控制器,其基于在温度传感器中感测的温度来确定面光源的操作模式,并且根据面光源的操作模式改变输入到逆变器控制器的反馈电流。
    • 10. 发明授权
    • Driving circuit of surface light source and method of driving the same
    • 表面光源的驱动电路及其驱动方法
    • US07538498B2
    • 2009-05-26
    • US11766909
    • 2007-06-22
    • Jeong Wook HurHwan Woong Lee
    • Jeong Wook HurHwan Woong Lee
    • H05B37/02
    • H05B41/386
    • A driving circuit of a surface light source and a method of driving the same are disclosed, which is suitable for decreasing the luminance-stabilization period of time and improving the low-temperature starting properties by optimizing a starting voltage and current, the driving circuit comprising an inverter controller which feedbacks a current supplied to the surface light source, and compares the feedback current to a preset reference value, to control the current supplied to the surface light source; a temperature sensor which senses an operation temperature of the surface light source; and a driving-condition determining controller which determines operation modes of the surface light source on the basis of the temperature sensed in the temperature sensor, and varies the feedback current inputted to the inverter controller according to the operation modes of the surface light source.
    • 公开了一种表面光源的驱动电路及其驱动方法,其适用于通过优化起动电压和电流来降低亮度稳定时间段并提高低温启动特性,所述驱动电路包括 逆变器控制器,其反馈提供给所述面光源的电流,并将所述反馈电流与预设基准值进行比较,以控制提供给所述表面光源的电流; 感测表面光源的操作温度的温度传感器; 以及驱动条件确定控制器,其基于在温度传感器中感测的温度来确定面光源的操作模式,并且根据面光源的操作模式改变输入到逆变器控制器的反馈电流。