Lg Display Co., Ltd.

Uitaek Jeong

MooKyoung Hong

HyeonWoo Lee

SinKyun Park

GeunWoo Lee

Jaeyeon Song

SeungWon Lee

Ansu Kim

DongKyu Yang

A light emitting display apparatus includes an analyzing circuit for analyzing at least one of image change amount and current change amount by analyzing input image data, and generating a driving frequency control signal according to analysis results, a control signal generator for generating driver control signals for changing a period of outputting data voltages according to the driving frequency control signal, transmitting a gate control signal of the driver control signals to a gate driver, and transmitting data control signals of the driver control signals to a data driver, and a data aligning circuit for generating image data by rearranging the input image data transmitted from the analyzing circuit according to a structure of a light emitting display panel, and outputting the image data to the data driver.

Light emitting display apparatus generating variable driving frequency based on image and current change amount

A display device can include a display panel having a plurality of subpixels; a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, and output a feedback voltage; a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of data lines; a power management circuit configured to supply a plurality of driving voltages to the gate driving circuit and the data driving circuit, and supply a compensating high-potential gate voltage to the gate driving circuit based on the feedback voltage transferred from the gate driving circuit. The display device can further include a timing controller configured to control the gate driving circuit, the data driving circuit, and the power management circuit.

Display device and driving circuit

Embodiments of the present disclosure relate to a display device and driving method thereof. A display device of the present disclosure includes a display panel including a plurality of gate lines, a plurality of data lines, and a plurality of subpixels. The display device further includes a gate driving circuit for supplying scan signals to the plurality of gate lines, a data driving circuit for supplying data voltage to the plurality of data lines, and a timing controller. The timing controller is for controlling the gate driving circuit and the data driving circuit, and controlling a luminance of the plurality of subpixels according to a driving frequency of image data by detecting a variable information which is changed according to the driving frequency of the image data supplied from a host system.

Display device and driving method thereof

Disclosed are a communication method, which is capable of being applied to a display device where a timing controller is provided in a system board instead of a display module, and a display device using the same. The communication method includes converting the digital video data and control signals into a transmission packet and transmitting the transmission packet from a first transmission module of a system board to a first receiving module of an interface board through a cable, restoring the digital video data and the control signals from the transmission packet, and transmitting the restored digital video data and control signals from the first receiving module to a display panel driver applying a plurality of driving signals to a display panel.

Communication method and display device using the same

An organic light-emitting display device includes: a display panel including: a plurality of pixels configured to display an image, each pixel among the plurality of pixels including a driving transistor and a sensing transistor, a plurality of data lines respectively connected to each driving transistor, and a plurality of sensing signal lines respectively connected to each sensing transistor, a plurality of source drive integrated circuits (ICs) configured to: supply data voltages to the plurality of data lines, and supply sensing voltages to the plurality of sensing signal lines, and a timing controller configured to supply digital video data and a data timing control signal to the source driver ICs, wherein each of the plurality of source driver ICs includes a sensing voltage supply unit configured to generate the sensing voltages.

Growing community of inventors

Gyeonggi-do, South Korea

Uitaek Jeong