公开(公告)号：US20140146096A1

公开(公告)日：2014-05-29

申请号：US14128733

申请日：2012-12-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Jaegeon You ,  Chang Xie ,  XIN Gu

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G3/006 ,  G09G3/3611 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2320/0204 ,  G09G2320/0219 ,  G09G2320/0247 ,  G09G2320/0257 ,  G09G2320/0276 ,  G09G2320/0673

Abstract: A method and an apparatus for setting a gamma reference voltage, and a driving circuit are provided, which decrease a driving voltage of a display apparatus and reduce power consumption by resetting the gamma reference voltage of the display apparatus. The method comprises: acquiring a dielectric constant of a liquid crystal capacitor according to a first gamma reference voltage (101); acquiring a value of the liquid crystal capacitor according to the dielectric constant of the liquid crystal capacitor(102); acquiring a feedback voltage according to the value of the liquid crystal capacitor, acquiring a second gamma reference voltage according to the feedback voltage, and updating the first gamma reference voltage to the second gamma reference voltage(103). The method and apparatus for setting a gamma reference voltage, and the driving circuit may be applied to production and manufacture of a liquid crystal display.

Abstract translation: 提供了一种用于设置伽马参考电压的方法和装置，以及驱动电路，其通过重置显示装置的伽马参考电压来降低显示装置的驱动电压并降低功耗。 该方法包括：根据第一伽马参考电压（101）获取液晶电容器的介电常数; 根据液晶电容器（102）的介电常数获取液晶电容器的值; 根据液晶电容器的值获取反馈电压，根据反馈电压获取第二伽马参考电压，并将第一伽马参考电压更新为第二伽马参考电压（103）。 用于设置伽马参考电压的方法和装置以及驱动电路可以应用于液晶显示器的制造和制造。