公开(公告)号：US08084959B2

公开(公告)日：2011-12-27

申请号：US12356546

申请日：2009-01-21

申请人： Ching-Chou Yu ,  Chien-Ming Ko ,  Yueh-Han Li ,  Hung-Ching Lee

发明人： Ching-Chou Yu ,  Chien-Ming Ko ,  Yueh-Han Li ,  Hung-Ching Lee

IPC分类号： G05F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC分类号： H05B33/0818 ,  G09G3/3426 ,  G09G2320/064 ,  H05B33/0857 ,  Y02B20/346

摘要： A light emitting diode (LED) backlight module, a driving apparatus and a driving method thereof are provided. The driving apparatus is adapted to drive at least one LED of at least one lighting unit within the LED backlight module. The driving apparatus includes a latch unit and a switch unit. The latch unit is used for receiving a control backlight data and latching the control backlight data during a frame period according to a trigger signal, so as to output a control signal. The switch unit is coupled to the latch unit and the LED for receiving the control signal to determine whether the LED emits or not.

摘要翻译： 提供了一种发光二极管（LED）背光模块，驱动装置及其驱动方法。 所述驱动装置适于驱动所述LED背光模块内的至少一个照明单元的至少一个LED。 驱动装置包括闩锁单元和开关单元。 闩锁单元用于接收控制背光数据，并且根据触发信号在帧周期期间锁存控制背光数据，以便输出控制信号。 开关单元耦合到锁存单元和用于接收控制信号的LED，以确定LED是否发光。

公开(公告)号：US20100134039A1

公开(公告)日：2010-06-03

申请号：US12356546

申请日：2009-01-21

申请人： Ching-Chou Yu ,  Chien-Ming Ko ,  Yueh-Han Li ,  Hung-Ching Lee

发明人： Ching-Chou Yu ,  Chien-Ming Ko ,  Yueh-Han Li ,  Hung-Ching Lee

IPC分类号： H05B41/36

CPC分类号： H05B33/0818 ,  G09G3/3426 ,  G09G2320/064 ,  H05B33/0857 ,  Y02B20/346

摘要： A light emitting diode (LED) backlight module, a driving apparatus and a driving method thereof are provided. The driving apparatus is adapted to drive at least one LED of at least one lighting unit within the LED backlight module. The driving apparatus includes a latch unit and a switch unit. The latch unit is used for receiving a control backlight data and latching the control backlight data during a frame period according to a trigger signal, so as to output a control signal. The switch unit is coupled to the latch unit and the LED for receiving the control signal to determine whether the LED emits or not.

摘要翻译： 提供了一种发光二极管（LED）背光模块，驱动装置及其驱动方法。 所述驱动装置适于驱动所述LED背光模块内的至少一个照明单元的至少一个LED。 驱动装置包括闩锁单元和开关单元。 闩锁单元用于接收控制背光数据，并且根据触发信号在帧周期期间锁存控制背光数据，以便输出控制信号。 开关单元耦合到锁存单元和用于接收控制信号的LED，以确定LED是否发光。

公开(公告)号：US20100141154A1

公开(公告)日：2010-06-10

申请号：US12394053

申请日：2009-02-27

申请人： Ching-Hung Wang ,  Chien-Ming Ko ,  Fu-Cheng Wei ,  Chih-Fu Hsu

发明人： Ching-Hung Wang ,  Chien-Ming Ko ,  Fu-Cheng Wei ,  Chih-Fu Hsu

IPC分类号： H05B37/02

CPC分类号： H05B41/3922

摘要： A backlight module includes a plurality of light sources, a photo-sensor, and a control circuit. Each light source of the plurality of light sources can operate independently. The photo-sensor detects the luminance of the plurality of light sources to generate a luminance signal. The control circuit drives the plurality of light sources according to the luminance signal. When the backlight module is used in a scanning backlight LCD, the control circuit turns off parts of the plurality of light sources according to a display signal. When all of the plurality of light sources is turned on, the control circuit obtains the luminance signal so as to adjust the luminance of the backlight module according to the luminance signal.

摘要翻译： 背光模块包括多个光源，光传感器和控制电路。 多个光源的每个光源可以独立地操作。 光传感器检测多个光源的亮度以产生亮度信号。 控制电路根据亮度信号驱动多个光源。 当背光模块用于扫描背光LCD时，控制电路根据显示信号来关闭多个光源的部分。 当所有多个光源都被接通时，控制电路获得亮度信号，以便根据亮度信号调节背光模块的亮度。