An organic light emitting diode device can have an enhanced thin film encapsulation layer for preventing moisture from permeating from the outside. The thin film encapsulation layer can have a multilayered structure in which one or more inorganic layers and one or more organic layers are alternately laminated. A barrier can be formed outside of a portion of the substrate on which the organic light emitting diode is formed. The organic layers of the thin film encapsulation layer can be formed inside an area defined by the barrier.

A display panel includes an upper display substrate including a first pixel area, a second pixel area, a third pixel area, and a light blocking area surrounding the first, second, and third pixel areas and a lower display substrate including a light emitting element. The upper display substrate includes a base substrate, a first bank overlapping the light blocking area and disposed on the base substrate, a second bank overlapping the light blocking area and disposed on the base substrate, a bridge bank disposed on the base substrate between the first bank and the second bank, and an organic material pattern at least a portion of which is disposed on the bridge bank forming a column spacer. The display panel has improved reliability.

The present disclosure relates to a light emitting display device including: a substrate; an anode positioned on the substrate; a black pixel defining layer, wherein an opening overlapping an anode is defined in the black pixel defining layer; an emission layer positioned in the opening of the black pixel defining layer; a spacer positioned on the black pixel defining layer and having a step; and a cathode formed on the emission layer, the black pixel defining layer, and the spacer, wherein the spacer has a first portion and a second portion having a lower height than the first portion and integrally formed with the first portion, and the end portion of the second portion is positioned closer to the opening than the end portion of the first portion.

The present disclosure relates to a display device comprising a spacer and a manufacturing method thereof. The display device according to an embodiment of the present disclosure includes a thin film transistor disposed on a substrate, a bank disposed on the thin film transistor, and a spacer structure assembly including at least two spacers disposed on the bank. A first separation distance between a first separator and a second separator, among the spacers, at a first area of the display device is different from a second separation distance between the first separator and the second separator at a second area of the display device.

A display device includes pixels each including a first sub-pixel, a second sub-pixel and a third sub-pixel. Each of the pixels includes a bank disposed on a substrate, wherein the bank includes a first opening defining a light-emitting area of the first sub-pixel, a second opening defining a light-emitting area of the second sub-pixel, and a third opening defining a light-emitting area of the third sub-pixel, and a spacer being disposed on the bank and surrounding the third opening. Spacers in adjacent pixels have different shapes from each other.

A method of manufacturing a display device includes providing a mother substrate including a first cell region, a second cell region, and a peripheral region. First alignment keys arranged in a first direction in the peripheral region on the mother substrate is formed such that the first alignment keys are adjacent to a first side portion of each of first and second light emitting structures, while forming the first and second light emitting structures in the first and second cell regions on the mother substrate, respectively. A photoresist is formed in a second direction on the first and second light emitting structures by using a coater such that the photoresist does not to overlap the first alignment keys. The mother substrate is rotated at a preset angle. A light is irradiated to the photoresist by moving an exposer in a direction in which the first alignment keys are arranged.

A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, a pixel defining layer and at least one photo spacer. The pixel defining layer is disposed on the base substrate and includes a plurality of openings, the at least one photo spacer is disposed on a side of the pixel defining layer away from the base substrate. A distance from any point at a bottom of the at least one photo spacer contacting the pixel defining layer to an upper edge of a side wall of the plurality of openings is greater than or equal to 5 μm.

A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate sc as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.

A display substrate and display device. The display substrate includes: a base substrate; a plurality of sub-pixel groups, arranged on the base substrate along a row direction and a column direction; and first spacers, second spacers, and third spacers, each of the plurality of sub-pixel groups includes a first sub-pixel, a second sub-pixel, and a third sub-pixel, in one row of sub-pixel groups, each of the first spacers is located between the first sub-pixel and the second sub-pixel which are adjacent to each other, each of the second spacers is located between the second sub-pixel and the third sub-pixel which are adjacent to each other, the third spacer is located between the third sub-pixel and the first sub-pixel which are adjacent to each other, and a number of the first spacers, a number of the second spacers, and a number of the third spacers are approximately equal.

A display device may include a driving element substrate including a plurality of driving elements, a circuit board disposed on a first surface of the driving element substrate in a first direction, a cover substrate disposed to overlap the driving element substrate on a second surface of the driving element substrate in a second direction opposite to the first direction, where the cover substrate includes a protrusion protruding from the driving element substrate to an outside in a third direction intersecting to the first direction, and includes a connection line, a conductive spacer disposed between the driving element substrate and the cover substrate to electrically connect the driving element substrate and the cover substrate, and a circuit film including a first end connected to the protrusion of the cover substrate and a second end connected to the circuit board and opposite to the first end.