公开(公告)号：US20150154904A1

公开(公告)日：2015-06-04

申请号：US14555631

申请日：2014-11-27

Applicant: Chien-Hua Lin ,  Shui-Mu Lin ,  Ti-Ti Liu ,  Ching-Yu Chen ,  Yung-Chun Chuang ,  Chin-Hui Wang ,  Shei-Chie Yang

Inventor： Chien-Hua Lin ,  Shui-Mu Lin ,  Ti-Ti Liu ,  Ching-Yu Chen ,  Yung-Chun Chuang ,  Chin-Hui Wang ,  Shei-Chie Yang

IPC: G09G3/32 ,  H05B37/02

CPC classification number: H05B37/0281 ,  G09G3/2081 ,  G09G3/3216 ,  G09G3/3283 ,  G09G2320/064 ,  H05B33/086

Abstract: The present invention discloses a light emitting device control circuit and a control method thereof, for controlling a light emitting device array display. The present invention controls not only the conduction timing and duration of one or more selected light emitting devices in the light emitting device array display, but also controls the current flowing through the selected light emitting devices by a variable current source, such that in one frame of a given length, the resolution of the brightness of the light emitting devices is increased.

Abstract translation: 本发明公开了一种用于控制发光器件阵列显示器的发光器件控制电路及其控制方法。 本发明不仅控制发光器件阵列显示器中的一个或多个选择的发光器件的导通定时和持续时间，还控制通过可变电流源流过所选择的发光器件的电流，使得在一个帧 给定长度，发光器件的亮度分辨率提高。

公开(公告)号：US08847500B2

公开(公告)日：2014-09-30

申请号：US12955094

申请日：2010-11-29

Applicant: Shui-Mu Lin ,  Chueh-Kuei Jan ,  Shei-Chie Yang ,  Huan-Chien Yang

Inventor： Shui-Mu Lin ,  Chueh-Kuei Jan ,  Shei-Chie Yang ,  Huan-Chien Yang

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0818 ,  H05B33/0824 ,  Y02B20/347

Abstract: An LED driver includes a power converter to convert an input voltage to a regulated voltage, a current source to be connected with an LED string in series between the power converter and a bias node, and a switching circuit to apply a bias voltage to the bias node to set the total voltage drop of the LED string and the current source. By controlling the total voltage drop of the LED string and the current source, the LED driver will automatically select a boost mode or a buck mode for operation, thereby improving the efficiency thereof.

Abstract translation: LED驱动器包括将输入电压转换为调节电压的电力转换器，与功率转换器和偏置节点之间串联的LED串连接的电流源以及向偏置施加偏置电压的开关电路 节点设置LED串和电流源的总压降。 通过控制LED串和电流源的总电压降，LED驱动器将自动选择升压模式或降压模式进行操作，从而提高其效率。

公开(公告)号：US08436544B2

公开(公告)日：2013-05-07

申请号：US12927281

申请日：2010-11-10

Applicant: Shei-Chie Yang ,  Shui-Mu Lin ,  Chuan-Yo Hsiao ,  Huan-Chien Yang

Inventor： Shei-Chie Yang ,  Shui-Mu Lin ,  Chuan-Yo Hsiao ,  Huan-Chien Yang

IPC: H05B41/16

CPC classification number: H05B33/0842 ,  H05B33/0818 ,  Y02B20/346

Abstract: The present invention discloses an LED controller with de-flicker function and an LED de-flicker circuit and method thereof. The LED controller includes: a duty ratio calculation circuit for receiving a pulse width modulation (PWM) signal and generating a duty input signal, indicating a digital duty ratio of the PWM signal; an LED de-flicker circuit for receiving the duty input signal and generating a duty output signal wherein a noise in the duty input signal is filtered; and a dimming circuit for receiving the duty output signal and generating a dimming signal to control an LED circuit; wherein the duty output signal remains unchanged when the variation of the duty input signal is not larger than a hysteresis threshold, and the duty output signal follows the duty input signal when the variation of the duty input signal is larger than the hysteresis threshold.

Abstract translation: 本发明公开了一种具有去闪烁功能的LED控制器和一个LED去闪烁电路及其方法。 LED控制器包括：占空比计算电路，用于接收脉宽调制（PWM）信号并产生指示PWM信号的数字占空比的占空比输入信号; LED去闪烁电路，用于接收占空比输入信号并产生占空比输出信号，其中对占空比输入信号中的噪声进行滤波; 以及调光电路，用于接收占空比输出信号并产生调光信号以控制LED电路; 其中当占空比输入信号的变化不大于滞后阈值时，占空比输出信号保持不变，当占空比输入信号的变化大于滞后阈值时，占空比输出信号跟随占空比输入信号。

公开(公告)号：US07808456B2

公开(公告)日：2010-10-05

申请号：US11510816

申请日：2006-08-28

Applicant: Chien-Chung Chen ,  Hsan-Fong Lin ,  Shei-Chie Yang

Inventor： Chien-Chung Chen ,  Hsan-Fong Lin ,  Shei-Chie Yang

IPC: G09G3/10

CPC classification number: G09G3/3216 ,  G09G2310/0251 ,  G09G2310/0256

Abstract: A driving system and method for electroluminescent displays which by connecting the electroluminescent elements that have been lighted up to the electroluminescent elements that are to be lighted up causes charge to be shared among the elements, so as to increase the voltage level at the anodes of the electroluminescent elements which are to be lighted up, thereby reducing the power consumption and increasing the response speed.

Abstract translation: 一种用于电致发光显示器的驱动系统和方法，其通过将被点亮的电致发光元件连接到要被点亮的电致发光元件，使得元件之间共享电荷，从而增加电极的阳极电压 要被点亮的电致发光元件，从而降低功耗并增加响应速度。

公开(公告)号：US20120013265A1

公开(公告)日：2012-01-19

申请号：US12927281

申请日：2010-11-10

Applicant: Shei-Chie Yang ,  Shui-Mu Lin ,  Chuan-Yo Hsiao ,  Huan-Chien Yang

Inventor： Shei-Chie Yang ,  Shui-Mu Lin ,  Chuan-Yo Hsiao ,  Huan-Chien Yang

IPC: H05B41/16

CPC classification number: H05B33/0842 ,  H05B33/0818 ,  Y02B20/346

Abstract: The present invention discloses an LED controller with de-flicker function and an LED de-flicker circuit and method thereof. The LED controller includes: a duty ratio calculation circuit for receiving a pulse width modulation (PWM) signal and generating a duty input signal, indicating a digital duty ratio of the PWM signal; an LED de-flicker circuit for receiving the duty input signal and generating a duty output signal wherein a noise in the duty input signal is filtered; and a dimming circuit for receiving the duty output signal and generating a dimming signal to control an LED circuit; wherein the duty output signal remains unchanged when the variation of the duty input signal is not larger than a hysteresis threshold, and the duty output signal follows the duty input signal when the variation of the duty input signal is larger than the hysteresis threshold.

Abstract translation: 本发明公开了一种具有去闪烁功能的LED控制器和一个LED去闪烁电路及其方法。 LED控制器包括：占空比计算电路，用于接收脉宽调制（PWM）信号并产生指示PWM信号的数字占空比的占空比输入信号; LED去闪烁电路，用于接收占空比输入信号并产生占空比输出信号，其中对占空比输入信号中的噪声进行滤波; 以及调光电路，用于接收占空比输出信号并产生调光信号以控制LED电路; 其中当占空比输入信号的变化不大于滞后阈值时，占空比输出信号保持不变，当占空比输入信号的变化大于滞后阈值时，占空比输出信号跟随占空比输入信号。

公开(公告)号：US20110127923A1

公开(公告)日：2011-06-02

申请号：US12955094

申请日：2010-11-29

Applicant: SHUI-MU LIN ,  CHUEH-KUEI JAN ,  SHEI-CHIE YANG ,  HUAN-CHIEN YANG

Inventor： SHUI-MU LIN ,  CHUEH-KUEI JAN ,  SHEI-CHIE YANG ,  HUAN-CHIEN YANG

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H05B33/0818 ,  H05B33/0824 ,  Y02B20/347

Abstract: An LED driver includes a power converter to convert an input voltage to a regulated voltage, a current source to be connected with an LED string in series between the power converter and a bias node, and a switching circuit to apply a bias voltage to the bias node to set the total voltage drop of the LED string and the current source. By controlling the total voltage drop of the LED string and the current source, the LED driver will automatically select a boost mode or a buck mode for operation, thereby improving the efficiency thereof.

Abstract translation: LED驱动器包括将输入电压转换为调节电压的电力转换器，与功率转换器和偏置节点之间串联的LED串连接的电流源以及向偏置施加偏置电压的开关电路 节点设置LED串和电流源的总压降。 通过控制LED串和电流源的总电压降，LED驱动器将自动选择升压模式或降压模式进行操作，从而提高其效率。

公开(公告)号：US20140167725A1

公开(公告)日：2014-06-19

申请号：US14043550

申请日：2013-10-01

Applicant: Huan-Chien Yang ,  Shui-Mu Lin ,  Shei-Chie Yang ,  Ti-Ti Liu ,  Yung-Chun Chuang

Inventor： Huan-Chien Yang ,  Shui-Mu Lin ,  Shei-Chie Yang ,  Ti-Ti Liu ,  Yung-Chun Chuang

IPC: G05F3/02

CPC classification number: H05B33/0824

Abstract: The invention provides a current control circuit and a current control method. The current control circuit controls a current supplied to a current-controlled device according to a conduction control signal. The current control circuit includes: a conduction control switch coupled to the current-controlled device, for determining whether to conduct the current according to the conduction control signal; and a plurality of current control switches connected to one another in series and coupled to the conduction control switch, for controlling a magnitude of the current.

Abstract translation: 本发明提供电流控制电路和电流控制方法。 电流控制电路根据导通控制信号控制提供给电流控制装置的电流。 电流控制电路包括：耦合到电流控制装置的导通控制开关，用于根据导通控制信号确定是否导通电流; 以及串联连接到传导控制开关的多个电流控制开关，用于控制电流的大小。

公开(公告)号：US20070052366A1

公开(公告)日：2007-03-08

申请号：US11510816

申请日：2006-08-28

Applicant: Chien-Chung Chen ,  Hsan-Fong Lin ,  Shei-Chie Yang

Inventor： Chien-Chung Chen ,  Hsan-Fong Lin ,  Shei-Chie Yang

IPC: G09G3/10

CPC classification number: G09G3/3216 ,  G09G2310/0251 ,  G09G2310/0256

Abstract: A driving system and method for electroluminescent displays which by connecting the electroluminescent elements that have been lighted up to the electroluminescent elements that are to be lighted up causes charge to be shared among the elements, so as to increase the voltage level at the anodes of the electroluminescent elements which are to be lighted up, thereby reducing the power consumption and increasing the response speed.

Abstract translation: 一种用于电致发光显示器的驱动系统和方法，其通过将被点亮的电致发光元件连接到要被点亮的电致发光元件，使得元件之间共享电荷，从而增加电极的阳极电压 要被点亮的电致发光元件，从而降低功耗并增加响应速度。