Lg Display Co., Ltd.

Haye Kim

Kangil Kim

Seonghun Jeong

Chansoo Park

Dahye Shim

Seeung Lee

Hyuck Choi

Minkyu Chun

SeongHun Jeong

A display panel includes an active area having a pixel area, a wiring area and a transmission area; a transistor layer located on the substrate and including a first display wiring and a second display wiring; a planarization layer located on the transistor layer; a light-emitting device layer located on the planarization layer and including a plurality of light-emitting devices; a first encapsulation layer located on the light-emitting device layer and including a first insulating film; and a touch sensor layer located on the first encapsulation layer and including a third display wiring and a fourth display wiring, wherein the first insulating film does not overlap with the transmission area, wherein the third display wiring is in contact with the first display wiring through a first contact hole, and wherein the fourth display wiring is in contact with the second display wiring through a second contact hole.

Display panel and display device

A liquid crystal display preventing a light leakage is disclosed. The liquid crystal display includes gate lines and data lines disposed to cross over each other, a common line crossing over the data lines and disposed in parallel with the gate lines, a dummy data line crossing over the gate lines and disposed in parallel with the data lines, a dummy pixel electrode disposed in a dummy area formed by an outermost data line of the data lines, the dummy data line and first and second gate lines adjacent to each other among the gate lines; a pixel electrode disposed in a pixel area between first and second data lines adjacent to each other among the data lines and the first and second gate lines; and a common electrode disposed to overlap the pixel electrode and the dummy pixel electrode. The dummy pixel electrode is connected to the common line.

Liquid crystal display capable of preventing display defect and rubbing failure

A shift register and a display device including the same are provided. The shift register includes a first stage sequentially outputting a gate pulse to first and second gate lines of a pixel array corresponding to a voltage of a first Q node and a second stage sequentially outputting the gate pulse to third and fourth gate lines of the pixel array corresponding to a voltage of a second Q node. The first stage includes a start controller charged with the voltage of the first Q node, a first pull-up transistor increasing a voltage of a first output terminal in response to the voltage of the first Q node and a first gate clock, and a second pull-up transistor increasing a voltage of a second output terminal in response to the voltage of the first Q node and a second gate clock.

Shift register and display device including the same

A gate driving circuit and a display device using the same are provided. The gate driving circuit includes a first gate driving circuit configured to sequentially generate first and second output voltages and a second gate driving circuit configured to sequentially generate first and second output voltages. The first gate driving circuit and the second gate driving circuit are asymmetrically connected to gate lines. The first output voltage of the first gate driving circuit is supplied to an nth gate line, and the second output voltage of the second gate driving circuit is supplied to the nth gate line.

Gate driving circuit controlling a plurality of transistors with one Q node and display device using the same

A thin film transistor substrate including a second electrode connected to a first electrode within a shared contact hole; and a fourth electrode connected to a third electrode within the shared contact hole, wherein the shared contact hole penetrates through a plurality of stacked insulating layers, and wherein an insulating layer below at least one of a connection portion in which the first electrode and the second electrode are connected and a connection portion in which the third electrode and the fourth electrode are connected has an undercut structure within the shared contact hole.

Growing community of inventors

Goyang-si, South Korea

Haye Kim