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    • 7. 发明授权
    • Color control method for LED lighting systems
    • LED照明系统的颜色控制方法
    • US07719208B2
    • 2010-05-18
    • US12023042
    • 2008-01-31
    • Yueh-Han LiPo-Tang HsuChien-Ming KoHung-Ching Li
    • Yueh-Han LiPo-Tang HsuChien-Ming KoHung-Ching Li
    • H05B37/02
    • H05B33/0869H05B33/0818H05B33/086H05B33/0866Y02B20/341
    • When temperature variation occurs to the LED dice of an LED lighting system, a feedback control mechanism is applied to compensate temperature-related wavelength shift for precisely controlling the light generated by the LED dice based on the voltage drop variation or current variation of the LED dice. The color control method for the LED lighting system includes a preliminary detection phase and a feedback control phase. In the preliminary detection phase, voltage drop signals or current signals together with corresponding color and hue signals of each LED module of the LED lighting system are detected. In the feedback control phase, signal compensating processes are performed to precisely control the light generated by the LED lighting system based on the voltage drop variation or the current variation in conjunction with the corresponding color and hue signals generated in the preliminary detection phase.
    • 当LED照明系统的LED骰子发生温度​​变化时,应用反馈控制机构来补偿温度相关的波长偏移,以便基于LED骰子的电压降变化或电流变化来精确地控制由LED骰子产生的光 。 LED照明系统的颜色控制方法包括初步检测阶段和反馈控制阶段。 在初步检测阶段,检测出电压降信号或电流信号以及LED照明系统的每个LED模块的对应颜色和色调信号。 在反馈控制阶段,执行信号补偿处理,以便根据在初步检测阶段中产生的对应颜色和色调信号,基于电压降变化或电流变化来精确地控制由LED照明系统产生的光。
    • 9. 发明申请
    • COLOR CONTROL METHOD FOR LED LIGHTING SYSTEMS
    • LED照明系统的颜色控制方法
    • US20090153075A1
    • 2009-06-18
    • US12023042
    • 2008-01-31
    • Yueh-Han LiPo-Tang HsuChien-Ming KoHung-Ching Li
    • Yueh-Han LiPo-Tang HsuChien-Ming KoHung-Ching Li
    • H05B41/36
    • H05B33/0869H05B33/0818H05B33/086H05B33/0866Y02B20/341
    • When temperature variation occurs to the LED dice of an LED lighting system, a feedback control mechanism is applied to compensate temperature-related wavelength shift for precisely controlling the light generated by the LED dice based on the voltage drop variation or current variation of the LED dice. The color control method for the LED lighting system includes a preliminary detection phase and a feedback control phase. In the preliminary detection phase, voltage drop signals or current signals together with corresponding color and hue signals of each LED module of the LED lighting system are detected. In the feedback control phase, signal compensating processes are performed to precisely control the light generated by the LED lighting system based on the voltage drop variation or the current variation in conjunction with the corresponding color and hue signals generated in the preliminary detection phase.
    • 当LED照明系统的LED骰子发生温度​​变化时,应用反馈控制机构来补偿温度相关的波长偏移,以便基于LED骰子的电压降变化或电流变化来精确地控制由LED骰子产生的光 。 LED照明系统的颜色控制方法包括初步检测阶段和反馈控制阶段。 在初步检测阶段,检测出电压降信号或电流信号以及LED照明系统的每个LED模块的对应颜色和色调信号。 在反馈控制阶段,执行信号补偿处理,以便根据在初步检测阶段中产生的对应颜色和色调信号,基于电压降变化或电流变化来精确地控制由LED照明系统产生的光。
    • 10. 发明授权
    • Light-emitting adjustment method and display device
    • 发光调节方法及显示装置
    • US08305012B2
    • 2012-11-06
    • US12786680
    • 2010-05-25
    • Chien-Ming KoHung-Ching LeeChih-Fu HsuYueh-Han Li
    • Chien-Ming KoHung-Ching LeeChih-Fu HsuYueh-Han Li
    • H05B37/02
    • H05B33/0851H05B33/0827
    • A light-emitting adjustment method and a display device are provided. The display device includes a voltage source, a light-emitting diode array, a pulse width modulator, a current sensor and a light-emitting adjuster. The voltage source provides an operating voltage. The pulse width modulator provides operating pulse signals to multiple light-emitting diodes arranged in column in order. The current sensor senses a plurality of overall current values of the light-emitting diodes at different timings during the light-emitting diodes are sequentially enabled. The light-emitting adjuster computes an operating current value of each of the light-emitting diodes according to the overall current values and performs a compensation operation based on the operating current value to obtain and output a compensation signal.
    • 提供了一种发光调节方法和显示装置。 显示装置包括电压源,发光二极管阵列,脉宽调制器,电流传感器和发光调节器。 电压源提供工作电压。 脉冲宽度调制器向按列排列的多个发光二极管提供工作脉冲信号。 电流传感器在顺序启动发光二极管期间以不同的定时感测发光二极管的多个总电流值。 发光调整器根据总电流值计算出各发光二极管的工作电流值,并根据工作电流值进行补偿动作,得到并输出补偿信号。