DISPLAY APPARATUS

• Main Authors: Choi, Junwon, An, Junyong, In, Yunkyeong, Hwang, Wonmi
• Format: Patent
• Language: English; French; German
• Published: 02.08.2023
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRICITY; PHYSICS; SEALS

A display apparatus comprising: a substrate comprising a display area, a peripheral area surrounding the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor disposed in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line disposed between a side of the display area and the pad area, and in the peripheral area, the first voltage line configured to supply a first voltage to the organic light-emitting device; and the thin film transistor comprises a semiconductor layer, a gate electrode, a source electrode, and a drain electrode; the organic light-emitting device comprises a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode and comprising an emission layer; and a second voltage line is electrically connected to the opposite electrode; characterized by the first sensing line and the first voltage line being on the same layer as the source electrode and the drain electrode of the thin film transistor, a first sensing line disposed in the peripheral area, the first sensing line configured to measure the first voltage of the first voltage line, wherein an end of the first sensing line is connected to the first voltage line to form a first contact between the bending area and the display area, and a capping layer for increasing an efficiency of light generated from the organic light-emitting device is disposed on the opposite electrode, wherein the capping layer covers the opposite electrode and extends to the outside of the opposite electrode to contact a protective conductive layer below the opposite electrode, wherein the opposite electrode covers the display area and extends to the outside of the display area, and wherein the capping layer includes an organic material.