Lg Display Co., Ltd.

Oh Hyun Lee

Hong Sung Song

Woong Ki Min

Joo Hong Lee

Sun Woo Kwag

Deuk Woo Lee

Hyuk Jin Kim

Disclosed is a system and method for correcting a gamma for shortening a gamma correction time period and improving gamma correction efficiency and reliability thereof, and simplifying a gamma correction device for reducing a production cost of image display devices.

System and method for correcting gamma

An apparatus and method for driving an LCD device is disclosed, in which an inversion method of an LCD panel is changed depending on a specific pattern of image data so as to improve picture quality of images displayed on the LCD panel. The apparatus for driving an LCD device includes an LCD panel displaying images, a polarity control signal generator comparing image data with pattern data previously stored for the unit of frame and generating a polarity control signal in accordance with the compared result, a data driver converting an inversion method in accordance with the polarity control signal and supplying the received image data to the LCD panel, a gate driver supplying scan pulses to the LCD panel, and a timing controller controlling the data driver and the gate driver.

Apparatus and method for driving liquid crystal display device

A circuit that drives a liquid crystal display device, includes an EEPROM having control data that over-drives and provides adaptive brightness intensification, the control data in the EEPROM is protected so as to secure reliability of the EEPROM. The circuit includes a master for over-driving and adaptive brightness intensification, a slave for providing control data to the master, a connector for connecting external writing equipment with terminals on the slave to write the control data into the slave, and an internal power supply of a liquid crystal module that applies an internal supply voltage to the slave. A write control terminal on the slave is grounded in a write mode, and connected to the internal power supply of the liquid crystal module in a liquid crystal module drive mode.

Growing community of inventors

Gimcheon-si, South Korea

Oh Hyun Lee