Lg Display Co., Ltd.

Dong Gun Lee

Seung Taek Oh

Bo Yun Jung

Joung Mi Choi

Kyu Jin Kim

Man Hyeop Han

Yong Kim

Bo Gun Seo

Ji Ah Kim

Yong Kyun Choi

A display panel and a display device including the same are discussed. The display panel includes a display area in which a plurality of data lines, a plurality of gate lines, and a plurality of sub-pixels are disposed, and a gate driver configured to supply gate signals to the gate lines. The display area includes a high-speed driving area, and a low-speed driving area driven at a frequency lower than that of the high-speed driving area. One cycle of a clock signal input to the gate driver includes a high interval with a gate high voltage and a low interval with a gate low voltage. A high interval of the clock signal is longer than a high interval of the high-speed driving area at a scanning time point of a first pixel line from which scanning of the low-speed driving area is started.

Display panel and display device including the same controlling a clock signal input to a gate driver

Provided are a display device and a driving method thereof. The display device includes a display panel with a plurality of pixels, a power supply configured to apply a pixel driving voltage and a low-potential supply voltage to the plurality of pixels, and a timing controller configured to adjust the low-potential supply voltage when a maximum grayscale represented by pixel data to be applied to the plurality of pixels is equal to or less than a predetermined threshold.

Display device having touch sensor and driving method of the same

A pixel circuit and a display device including the same are discussed. The pixel circuit can include a first pixel circuit arranged in a first area of a screen at a first resolution and including a first driving element to supply a current to a first light-emitting element and a first storage capacitor disposed between a gate electrode of the first driving element and a power line to which a high-potential supply voltage is applied, and a second pixel circuit arranged in a second area of the screen at a second resolution and including a second driving element to supply a current to a second light-emitting element and a second storage capacitor disposed between a gate electrode of the second driving element and the power line to which the high-potential supply voltage is applied.

Pixel circuit and display device including the same

The present disclosure relates to a display panel and a display device using the same, and includes a first pixel area in which pixels connected to a first cathode electrode are disposed, and a second pixel area in which pixels connected to a second cathode electrode are disposed. A data voltage of pixel data to be written to a pixel in the second pixel area is applied to a first gate electrode of a driving element disposed in the second pixel area. A compensation voltage for increasing the luminance of the second pixel area is applied to the gate electrode of the driving element.

Display panel and display device using the same

A display panel includes a first pixel area in which a plurality of light emitting elements and a plurality of pixel circuit are disposed, and a second pixel area in which a plurality of light emitting elements are disposed, and the second pixel area further may include a plurality of transparent extension lines configured to electrically connect the plurality of light emitting elements disposed in the second pixel area to the plurality of pixel circuits disposed in the first pixel area.

Display panel, display device, and mobile terminal including the display device

The present disclosure relates a display device and a method compensating for deterioration thereof, and a mobile terminal including the display device. The display device includes: a display panel including a first pixel area, a second pixel area, and a third pixel area; a first optical device disposed below the display panel or embedded within the display panel in a predetermined sensing area on the display panel, the first optical device facing at least a portion of the first pixel area and a portion of the second pixel area when the display panel is folded or moved; and a pixel deterioration compensation circuit configured to operate to reduce a luminance difference between the first pixel area and the second pixel area by receiving sensing data from the first optical device in a deterioration sensing mode.

Display device and method of compensating for deterioration thereof, and mobile terminal including the display device

Disclosed herein are a display device and a mobile terminal device including the same, which include a display panel including a screen in which a plurality of display pixels which are sequentially scanned, and a plurality of sensor pixels which are exposed to a light during an exposure time to convert the light into an electric current are disposed. While the display pixels disposed in the first area of the screen are scanned, the sensor pixels are exposed. While the display pixels in the second area of the screen are scanned, sensor data is output from the sensor pixels and then the sensor pixels are initialized.

Display device and mobile terminal device including the same

A display device can include a display panel to display an input image across a first subpixel region and a second subpixel region; a display panel driver to supply pixel data of the input image to subpixels of the display panel; a light source disposed under the display panel in an area overlapped by the second subpixel region; and a controller to drive the light source in an emission permitting section set within a non-driving period of a group of subpixels among the subpixels that are disposed in at least a portion of the second subpixel region.

Display device and driving method thereof

A display device includes a display panel including a plurality of pixels, and an image capturing unit disposed below the plurality of pixels, wherein, when the image capturing unit is driven, the display panel is time-divisionally driven by dividing one frame into a plurality of sub-frame sections, and the image capturing unit is synchronized with the display panel to receive different color data for each section of the plurality of sub-frame sections.

Display device

A display device and a mobile terminal including the same includes a display area in which a first group of display pixels to which pixel data is written are arranged, and a sensing area in which a second group of display pixels and a plurality of sensor pixels are arranged; each of the display pixels includes a pixel circuit configured to drive a light emitting element; each of the sensor pixels includes a photosensor driving circuit configured to drive a photodiode; a low potential power voltage and a pixel driving voltage are applied to the pixel circuit and the photosensor driving circuit; a cathode electrode of the light emitting element and the cathode electrode of the photodiode share the same metal electrode, and are commonly connected to a low potential power line to which the low potential power voltage is applied.

Growing community of inventors

Paju-si, South Korea

Dong Gun Lee