Lg Display Co., Ltd.

MoonSoo Kim

Suhyeon Kim

Sungbin Shim

Saemleenuri Lee

Sungbai Lee

DoYoung Kum

Hyoung-Su Kim

Seokwon Ji

Doohyun Yoon

HyeSeon Eom

Dohong Kim

YuCheol Yang

A display device may reduce or minimize a size of a light emission area that becomes a dark spot due to particles. The display device includes a substrate provided with a display area for displaying an image by subpixels, first electrodes provided in each of the subpixels over the substrate, driving transistors provided between the substrate and the first electrodes and coupled to each of the first electrodes, a light emitting layer provided over the first electrodes, and a second electrode provided over the light emitting layer. Each of the first electrodes includes divided electrodes spaced apart from each other, a transistor contact portion coupled with the driving transistor through a contact hole, and connection electrodes coupling each of the plurality of divided electrodes with the transistor contact portion.

Display device with subpixels having divided electrodes

A display device includes a substrate provided with a display area for displaying an image by a plurality of subpixels, a plurality of first electrodes provided in each of the plurality of subpixels over the substrate, a plurality of driving transistors provided over the substrate, including an active layer, a gate electrode, a source electrode and a drain electrode, a light emitting layer provided over the plurality of first electrodes, and a second electrode provided over the light emitting layer, each of the plurality of first electrodes includes a plurality of divided electrodes disposed to be spaced apart from each other, a transistor contact portion connected with the driving transistor through a contact hole, and a plurality of connection electrodes provided on the same layer as the active layer of the driving transistor, connecting each of the plurality of divided electrodes with the transistor contact portion, so that a size of a light emission area that can be a dark spot due to occurrence of particles can be substantially reduced or minimized.

Display device capable of reducing size of light emission area that becomes dark spot

An electroluminescence display device comprises a substrate including a pixel area having a light emitting portion and a non-light emitting portion adjacent to the light emitting portion; a first electrode in the light emitting portion of the pixel area; an auxiliary electrode in the non-light emitting portion of the pixel area and spaced apart from the first electrode; a light emitting layer on the first electrode; a second electrode on the light emitting layer in the pixel area and connected to the light emitting layer; and an auxiliary power electrode below the first electrode and electrically connected with the auxiliary electrode.

Electroluminescence display device including auxiliary electrode

A display device may prevent external moisture from being permeated thereinto. The display device comprises a substrate provided with a display area for displaying an image by a plurality of subpixels, a plurality of first electrodes provided in each of the plurality of subpixels over the substrate, a light emitting layer provided over the plurality of first electrodes, a second electrode provided over the light emitting layer, and a common power line provided between the substrate and the first electrodes, including a contact area to which the second electrode is connected. Each of the plurality of first electrodes is provided with a first opening area in an edge area adjacent to the contact area of the common power line.

Display device

A display device may improve an aperture ratio. The display device comprises a substrate provided with transmissive areas and a plurality of subpixels disposed between the transmissive areas, a driving transistor provided in each of the plurality of subpixels, an anode electrode provided in each of the plurality of subpixels and coupled with the driving transistor through an anode contact hole, a bank overlapped with at least a portion of the anode contact hole over the anode electrode, a light emitting layer provided over the anode electrode and the bank, and a cathode electrode provided over the light emitting layer. An end of at least one side of the anode electrode is exposed without being covered by the bank.

A light emitting display device includes a light emitting element including a pixel electrode, a common electrode, and a light emitting layer interposed between the pixel electrode and the common electrode, and a pixel circuit electrically connected to the pixel electrode of the light emitting element, wherein the pixel electrode may include a first pixel electrode portion, a second pixel electrode portion spaced apart from the first pixel electrode portion, a circuit contact portion connected to the pixel circuit, a first electrode connection portion connected or disconnected between the first pixel electrode portion and the circuit contact portion, and a second electrode connection portion connected or disconnected between the second pixel electrode portion and the circuit contact portion.

Light emitting display device having repair structure

A display apparatus includes a display panel having a first area and a second area, a main body supporting the display panel, an auxiliary member arranged in the main body, and a reflective member arranged between the auxiliary member and the display panel, wherein the reflective member may movably be provided to overlap the first area or the second area. Therefore, light emitted from the display panel toward the inside of the main body may be reflected in the outside, and a luminance difference between the first area and the second area of the display panel may be prevented from occurring, whereby a user's satisfaction for an image may be enhanced.

Display with movable reflective member

A display device comprises a substrate provided with a first subpixel, a second subpixel, a third subpixel, and a fourth subpixel, a first electrode provided on the substrate, an organic light emitting layer arranged on the first electrode, and a second electrode arranged on the organic light emitting layer, wherein the organic light emitting layer includes a first organic light emitting layer and a second organic light emitting layer, the first organic light emitting layer and the second organic light emitting layer are arranged on the first subpixel, the second subpixel, and the fourth subpixel, only the second organic light emitting layer is arranged on the third subpixel, only the first organic light emitting layer emits light on the first subpixel and the second subpixel, only the second organic light emitting layer emits light on the third subpixel, and both of the first organic light emitting layer and the second light emitting layer emit light on the fourth subpixel. Since the organic light emitting layer may emit light in accordance with one-stack voltage even in case of a two-stack structure of the first subpixel and the second subpixel, overall power consumption may be reduced.

Growing community of inventors

Paju-si, South Korea

MoonSoo Kim