公开(公告)号：US09672780B2

公开(公告)日：2017-06-06

申请号：US14702231

申请日：2015-05-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-woo Lee ,  Chiahsin Lin ,  Stanley Liao

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G2320/0252 ,  G09G2320/0285 ,  G09G2340/16 ,  G09G2360/12

Abstract: A data generator includes an over drive data generator and a buffer. The over drive data generator generates an over drive data based on a previous display data and a current display data. The buffer provides the previous display data to the over drive data generator. The buffer stores the current display data and the over drive data. The buffer outputs the current display data and the over drive data. The data generator may increase the speed of driving the load connected to a display driver using the over drive voltage corresponding to the over drive data. If the speed of driving the load connected to the display driver is increased, the operational speed of the display device may be increased.

公开(公告)号：US20150310835A1

公开(公告)日：2015-10-29

申请号：US14605022

申请日：2015-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： SEUNG-WOO LEE ,  Chiahsin Lin ,  Stanley Liao

IPC: G09G5/18 ,  G09G5/02

CPC classification number: G09G5/18 ,  G09G3/2003 ,  G09G2310/027 ,  G09G2320/0673 ,  G09G2370/08

Abstract: A driving circuit is provided. The driving circuit includes a timing controller, a gamma reference voltage signal generating unit, a gamma reference voltage signal switching unit, and a data driving unit. The timing controller generates a gamma control signal, a switch control signal, a data driving unit control signal, and a data signal based on an input image data. The gamma reference voltage signal generating unit generates gamma reference voltage signals based on the gamma control signal. The gamma reference voltage signal switching unit modifies a mapping relation between the gamma reference voltage signals and switched gamma reference voltage signals based on the switch control signal output from the timing controller. The data driving unit generates data driving voltage signals corresponding to the data signal based on the data driving unit control signal and the switched gamma reference voltage signals.

Abstract translation: 提供驱动电路。 驱动电路包括时序控制器，伽马参考电压信号产生单元，伽马参考电压信号切换单元和数据驱动单元。 定时控制器基于输入图像数据生成伽马控制信号，开关控制信号，数据驱动单元控制信号和数据信号。 伽马参考电压信号产生单元基于伽马控制信号产生伽马参考电压信号。 伽马参考电压信号切换单元基于从定时控制器输出的开关控制信号来修改伽马参考电压信号和开关伽马参考电压信号之间的映射关系。 数据驱动单元基于数据驱动单元控制信号和开关伽马参考电压信号产生与数据信号对应的数据驱动电压信号。

公开(公告)号：US10482805B2

公开(公告)日：2019-11-19

申请号：US15688230

申请日：2017-08-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chiahsin Lin ,  Jae Yoon Kim ,  Stanley Liao

IPC: G09G3/36 ,  G09G3/20 ,  G09G3/3275

Abstract: A display controller comprises a buffer configured to store first pixel data input to a source line during a first period, and second pixel data input to the source line during a second period, subsequent to the first period, and a data generating unit configured to generate control data by comparing each of the first pixel data and the second pixel data with desired reference data, and transfer the second pixel data and the control data to a source driver driving the source line.