Lg Display Co., Ltd.

Seonghwan Ju

HyeonHo Son

Jinyeong Kim

Hyunwoo Kim

Seok Joong Kim

HanSeok Kim

SeungChul Lee

Hyeonho Son

Seungtaek Oh

Myungsoo Park

ChangHo Lee

SungMin Jung

DoJin Kim

Hanchul Park

YoonSung Tak

Jungeun Son

TaeJoon Lee

Myeongdo Kim

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 device includes a light emitting diode LED element having a horizontal length in an X-axis direction and a vertical length in a Y-axis direction, a driving element connected to the LED element, and a reflective functional layer positioned to overlap an upper portion or a lower portion of the LED element, wherein the reflective functional layer includes a central area overlapping the LED element, an outer area including a graduation smaller than the horizontal length or the vertical length of the LED element, and a peripheral area between the central area and the outer area. Accordingly, it is possible to reduce a contact defect of the light emitting diode and the driving element by checking a position where the light emitting diode is attached on a substrate and a degree of misalignment.

Display device

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

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 panel and a display apparatus using the same are disclosed. A display panel includes a base substrate including a plurality of pixel regions having corresponding gate lines and data lines, and a plurality of pads arranged at an outer periphery of the base substrate. The display panel further includes a group of subminiature light emitting diodes (LEDs) in each of the pixel regions to display an image. The subminiature LEDs in one of the pixel regions are arranged at locations within the one of the pixel regions based on a location of the one of the pixel regions with respect to a center of the base substrate.

Display panel and display apparatus using the same

Discussed are a backlight unit and an autostereoscopic 3D (three-dimensional) display device including the same, in which a 3D image can be displayed without using a 3D light controller that includes a liquid crystal layer. The backlight unit may include a 3D light guide plate having first light output patterns, first light sources irradiating light to at least one side of the 3D light guide plate, a 2D (two-dimensional) light guide plate arranged below the 3D light guide plate, and second light sources irradiating light to at least one side of the 2D light guide plate. The first light output patterns are a plurality of line prism patterns spaced apart from each other.

Backlight unit and autostereoscopic 3D display device including the same

A display device discussed, and includes a display panel to display a left-eye image and a right-eye image; a parallax barrier panel to block and transmit the left-eye image and the right-eye image so that the left-eye image and the right-eye image reaching a user's left-eye and right-eye, respectively, produces a 3D image; a camera to sense a user's movement; and a controller to implement the 3D image by estimating a user's position when the user moves, and by applying a driving voltage to a barrier electrode according to the estimated position.

3D display device for reducing moving flicker

A display device capable of actively controlling a viewing angle by an electrical signal, and a method for driving the same, are discussed. The display device in one embodiment includes a first substrate with a plurality of pixels, and a second substrate with convex lens, the second substrate facing the first substrate. Each of the plurality of pixels includes a main pixel and a viewing angle control pixel, and an image is displayed on both the main pixel and the viewing angle control pixel in a wide viewing angle mode. Further, an image is displayed on the main pixel, and a black is displayed on the viewing angle control pixel in a narrow viewing angle mode.

Display device capable of controlling viewing angle and method for driving the same

Provided is a stereoscopic image display device comprising a display panel displaying a multi-view image in a three-dimensional (3D) mode, a switchable barrier forming a barrier in the 3D mode, a user position detecting unit outputting a user position data including a user position information, a switchable barrier controlling unit calculating an average picture level of the multi-view image in the 3D mode and controlling an aperture ratio of the switchable barrier according to the average picture level and the user position information, a switchable barrier driving unit supplying driving voltages to divided electrodes of the switchable barrier and supplying a common voltage to a barrier common electrode, and a display panel driving unit converting the multi-view image into data voltages to supply the data voltages to data lines of the display panel and sequentially supplying gate pulses to gate lines of the display panel.

Growing community of inventors

Paju-si, South Korea

Seonghwan Ju