Samsung Display Co., Ltd.

Kwangchul Jung

Seulbee Lee

Mina Kim

Yongjun Jo

Hyunsuk Yang

Jaeyoon Jung

Boogyo Shin

Joungpyo Park

A display panel includes a substrate including an opening and a display area surrounding the opening, a light-emitting element in the display area and including a first electrode, an intermediate layer, and a second electrode, a multi-layered dam in a non-display area between the opening and the display area, an encapsulation layer extending substantially over the display area and the non-display area, and a first layer pattern disposed in one area of the non-display area.

Display panel and method of manufacturing the same

A display apparatus includes first to third pixels sequentially arranged in a first direction, a first voltage line which transfers a first initialization voltage, a second voltage line which transfers a second initialization voltage, a first contact plug connecting the first pixel and the second pixel to the first voltage line, and a second contact plug connecting the second pixel and the third pixel to the second voltage line.

Display apparatus

A method of manufacturing a display panel having an opening, a display area surrounding the opening, and a non-display area between the opening and the display area, the method includes the steps of: forming a pixel circuit including a at least one thin-film transistor in the display area, forming a first electrode electrically connected to the at least one thin-film transistor, forming a first layer having a plurality of slits in the non-display area, forming, on the first electrode, an intermediate layer and a second electrode that form a light-emitting element, the intermediate layer and the second electrode being disposed on the display area and the non-display area, and covering the first layer, lifting the second electrode off from the intermediate layer by irradiating a first laser beam having a first energy density toward the first layer, the intermediate layer, and the second electrode, which are stacked, and lifting off the first layer and the intermediate layer by irradiating a second laser beam having a second energy density greater than the first density toward the first layer.

An organic light-emitting display apparatus including a substrate having a display area and a peripheral area; a TFT in the display area; an organic insulating layer on the TFT; an OLED that includes a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween; a pixel-defining layer on the organic insulating layer and having an opening overlying the pixel electrode; a first dam in the peripheral area; a second dam in the peripheral area to surround an outer periphery of the first dam; a metal-containing layer covering the first dam and including a same material as the pixel electrode; and a thin-film encapsulator on the substrate to cover the OLED and including a first and second inorganic films, and an organic film between the first and second inorganic films.

Organic light-emitting display apparatus having peripheral dam containing metal-containing layer

A display panel includes: a substrate including a display area and a non-display area around the display area; a plurality of scan lines and a plurality of data lines crossing each other on the substrate at the display area; a plurality of pixels connected to the plurality of scan lines and the plurality of data lines; and a test circuit portion on the substrate at the non-display area, the test circuit portion connected to the plurality of data lines. The test circuit portion includes: a lighting test signal line which applies a lighting signal to each of the plurality of data lines; and a crack detection circuit line connected between the plurality of data lines and the lighting test signal line. The crack detection circuit line includes a plurality of signal lines connected to different data lines among the plurality of data lines.

Display panel and method for detecting cracks in display panel

Organic light-emitting display apparatus having peripheral area including metal-containing layer and plurality of dams

An organic light-emitting display apparatus includes a substrate that includes an insulating layer, a display unit disposed on the substrate, an encapsulation member that covers the display unit, and a sealing member disposed on a non-display area of the substrate outside the display unit and between the substrate and the encapsulation member. The insulating layer comprises a first portion that corresponds to the non-display area, and comprises at least one groove formed in the first portion that extends in a direction that is not parallel to an extension direction of the sealing member. The sealing member substantially fills the at least one groove.

Growing community of inventors

Yongin-si, South Korea

Kwangchul Jung