Lg Display Co., Ltd.

Subin Park

Bonghwan Kim

Won-Seok Song

Jaemin Kim

Jungyoup Suk

Dowan Kim

Wansik Lim

Euncheol Eom

DoWan Kim

Kyeongtae Min

Jeahun Jung

Sungchang Park

Kyeongtae Park

Jongtak Kim

Embodiments of the present disclosure relate to a display device, comprising: a display panel including a light emitting element, a driving transistor configured to provide a driving current to the light emitting element, and a plurality of switching transistors configured to control an operation of the driving transistor; a gate driving circuit configured to supply a plurality of scan signals to the display panel; a data driving circuit configured to supply a plurality of data voltages to the display panel; and a timing controller configured to control the gate driving circuit and the data driving circuit, wherein a bias voltage is supplied to the driving transistor in a first period in which the data voltage is supplied to the display panel at a low speed mode which the display panel is driven at a low speed driving frequency.

Display device and display driving method

A display apparatus can include a display panel configured to display images; a scan driver configured to supply scan signals to the display panel; a data driver configured to supply data voltages to the display panel; a timing controller configured to control the scan driver and the data driver; and a device controller configured to in response to receiving a frequency change signal, change a driving frequency of a device from a first frequency to a second frequency higher than the first frequency or change the driving frequency of the device from the second frequency to the first frequency, while maintaining widths of driving signals of the scan driver before and after the driving frequency is changed, in which the device includes at least one of the scan driver or the data driver.

Display apparatus and driving method thereof

A disclosed display device includes a data driver configured to receive data signals corresponding to an input image and to output a first data signal corresponding to a first portion of the input image to be displayed. The display device also includes a display panel having a plurality of data lines and a display area configured to display the first portion of the input image based on the first data signal from the data driver. The data driver is further configured to cut off a second data signal corresponding to a second portion of the input image substantially outside the display area of the display panel from being output.

Display device and method of driving the same

Provided are a display device and driving method thereof. A display device comprises a display panel configured to display an image, a data driver configured to supply a data signal to the display panel, a gate driver configured to supply a gate signal to the display panel, a power supply unit configured to output a power voltage to the display panel, and a power saving unit configured to control the power supply unit to vary a level of the power voltage according to a display mode of the display panel.

Display device and driving method thereof

Provided are a display device and a method for driving the same. A display device comprises a display panel, a data driver, and a power saving part. The display panel displays an image. The data driver supplies a data signal to the display panel. The power saving part controls a reference source for the data driver according to the display mode of the display panel.

Display device and method for driving the same

Provided is a data driver for a display panel. The data driver includes an auxiliary power generating unit and an auxiliary power output unit. The auxiliary power generating unit may generate an auxiliary power. The auxiliary power output unit may supply the auxiliary power to the display panel when the display panel is driven in a power saving mode under the control of the auxiliary power generating unit. The auxiliary power output unit may include a first transistor configured to output the auxiliary power output from the auxiliary power generating unit, a diode configured to output the auxiliary power output from the first transistor, and a second transistor connected to the diode in parallel and configured to output the auxiliary power together with the diode.

Growing community of inventors

Jeonju-si, South Korea

Subin Park