Lg Display Co., Ltd.

Lg Electronics Inc.

Lg Innotek Co., Ltd.

HyeonHo Son

Jinyeong Kim

Seonghwan Ju

HanSaem Kang

WooNam Jeong

SeungChul Lee

BuYeol Lee

Hanchul Park

Hyunwoo Kim

Seok Joong Kim

HanSeok Kim

Hwankuk Yuh

Bogyun Chung

Hoyoung Jung

ChangHo Lee

Eunjeong Shin

SungMin Jung

Sangyoul Lee

HyungJu Park

Sungeun Bae

Jungeun Son

Jeenmoon Yang

KyungHan Seo

Seung Ouk Noh

KooHwa Lee

A display device according to the present invention comprises: a display panel in which a plurality of unit pixels are arranged; and a gate driver which is disposed at the upper surface of the display panel and is embedded in the plurality of unit pixels, wherein each of the plurality of unit pixels comprises a main pixel and a sub-pixel, and the gate driver supplies a gate voltage to the main pixel and the sub-pixel. Accordingly, in the present invention, even when the main pixel is defective, the sub-pixel can emit light in place of the main pixel, and thus the display device has enhanced reliability against defects.

Gate driver and display device comprising same

An electroluminescent display device having pixel driving circuit is disclosed. The display device includes a pixel that includes sub-pixels and is divided into a sub-pixel area where the sub-pixels and a first pixel driving circuit are disposed and a common area where a second pixel driving circuit is disposed. Each of the sub-pixels includes a light emitting element including an anode electrode and a cathode electrode. The anode electrode is connected to a first common line which is connected to the second pixel driving circuit.

Electroluminescent display device having pixel driving circuit

A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a Nnode, a gate is connected to a Nnode, and a drain is connected to a Nnode, a capacitor connected to the Nnode and a Nnode; a Nswitching circuit connected to the Nnode; a Nswitching circuit connected to the Nnode; a Nswitching circuit connected to the Nnode; and a Nswitching circuit connected to the Nnode.

Electroluminescent display panel having pixel driving circuit

Provided is a light emitting device. A light emitting device includes a first n-type semiconductor layer, a first light emitting layer disposed on the first n-type semiconductor layer, a first p-type semiconductor layer disposed on the first light emitting layer, a second p-type semiconductor layer disposed on the first p-type semiconductor layer, a bonding layer disposed between the first p-type semiconductor layer and the second p-type semiconductor layer, a second light emitting layer disposed on the second p-type semiconductor layer, a second n-type semiconductor layer disposed on the second light emitting layer, a p-type electrode disposed on the second p-type semiconductor layer, a first n-type electrode disposed on the first n-type semiconductor layer, and a second n-type electrode disposed on the second n-type semiconductor layer.

Light emitting device and wafer

A display device includes a first pixel that emits light toward an upper side, a second pixel that emits light toward a lower side, a plurality of lines and a pad electrode. The first pixel includes a first light emitting element, a first pixel circuit connected to the first light emitting element and some of the plurality of lines and a bottom reflective layer that is under the first light emitting element to overlap the first light emitting element and has a greater size than the first light emitting element. The second pixel includes a second light emitting element, a second pixel circuit connected to the second light emitting element and the others of the plurality of lines, and a top reflective layer that on the second light emitting element to overlap the second light emitting element and has a greater size than the second light emitting element.

Double-sided emissive transparent display device

According to an aspect of the present disclosure, there is provided a display device including a plurality of unit pixels comprising a main pixel and a redundancy pixel which emit a same color; and a gate driver integrated in each of the plurality of unit pixels and comprising a plurality of stages, wherein each of the plurality of stages comprises a scan driving circuit for outputting a first scan signal and a second scan signal; and an emission driving circuit for outputting an emission control signal, wherein an output timing of the first scan signal supplied to the main pixel is the same as an output timing of the first scan signal supplied to the redundancy pixel, and wherein an output timing of the second scan signal supplied to the main pixel is different from an output timing of the second scan signal supplied to the redundancy pixel.

According to an aspect of the present disclosure, there is provided a display device including a display panel where a plurality of unit pixels are disposed, a gate driver disposed on an upper surface of the display panel and integrated in the plurality of unit pixels. Each of the plurality of unit pixels includes a main pixel and a redundancy pixel, and the gate driver supplies a gate voltage to the main pixel and the redundancy pixel. even if the main pixel becomes defective, the redundancy pixel can emit light instead of the main pixel, so that the reliability of the display device is improved.

A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.

A display device includes a pixel on a substrate. The pixel includes a gate line and a data line on the substrate; a pixel circuit configured to be electrically connected to the gate line and the data line; a light emitting device configured to be electrically connected to the pixel circuit; and a planarization layer configured on the pixel circuit to cover the light emitting device, wherein the light emitting device is surrounded by the planarization layer.

Light emitting diode display device

Disclosed are a light emitting diode display device and a multi-screen display device using the same, which include a reduced or minimized bezel area. The light emitting diode display device includes a substrate including a first display area and a second display area outside of the first display area, a plurality of first unit pixels in the first display area, the plurality of first unit pixels each including a plurality of subpixels each including a micro light emitting device, and a plurality of second unit pixels in the second display area adjacent an edge of the substrate. A distance between the second unit pixel and an outer surface of the substrate is equal to or less than half of a reference pixel pitch at which the plurality of first unit pixels are arranged.

Light emitting diode display device and multi-screen display device using the same

The light emitting diode display apparatus comprises a pixel disposed on a substrate and configured to display an image. The pixel includes a first light emitting portion configured to connect with a first gate line disposed in a first direction, a data line disposed in a second direction which is perpendicular to the first direction, and a first driving power line which is parallel to the data line, a second light emitting portion configured to connect a second gate line which is parallel to the first gate line, the data line, and the first driving power line, a common connection pattern configured to connect with the first light emitting portion and the second light emitting portion in common, and a third light emitting portion configured to connect between the second driving power line and the common connection pattern. Some of the common connection pattern is configured to overlap with the second driving power line.

Light emitting diode display apparatus and multi screen display apparatus using the same

A multi-view display device is provided. The multi-view display device includes a display panel having a plurality of pixels disposed in a matrix arrangement, adjacent first and second pixels of the plurality of pixels constituting a group pixel; a barrier disposed on the display panel and having an opening that transmits light and a shielding portion that shields light; and a driver configured to selectively drive the display panel in a normal driving mode, a narrow viewing angle mode, and a multi-view mode by controlling signals applied to the first and second pixels. The opening is overlapped with the first pixel, and the shielding portion is overlapped with the second pixel.

Multi-view display device

A display device can include a substrate on which a semiconductor element and a common electrode are disposed; a light emitting diode which is disposed on the substrate and includes an n-type layer, a light emitting layer, and a p-type layer; an insulating layer disposed on the substrate and the light emitting diode; and a first connecting electrode which is connected to the light emitting diode and the semiconductor element. Accordingly, it is possible to minimize defects which can be caused during a process of disposing the light emitting diode on the substrate.

Display device

Discussed is a light emitting diode display device including a plurality of pixels displaying an image based on a data signal, the plurality of pixels each including: a first and second light emitting diode devices emitting light, a first and second driving transistors electrically connected to the first and second light emitting diode devices respectively, an insulation layer covering the first and second driving transistors and a planarization layer on the insulation layer and an adhesive member between the insulation layer and the first and the second light emitting diode devices, wherein each of the first and second light emitting diode devices includes: a first portion including a first electrode and a second electrode and a second portion opposite to the first portion, and wherein the adhesive member is interposed between the second portion of each of the first and the second light emitting diode devices and the insulation layer.

Growing community of inventors

Goyang-si, South Korea

HyeonHo Son