H10K59/173

Display device and method of manufacturing display device
11335886 · 2022-05-17 · ·

A display device includes a display panel including a display region, a terminal region provided with a terminal, and a bending region located between the display region and the terminal region and capable of bending, the terminal region being located on a rear surface side opposite to a display surface side with respect to the display region based on the bending region bent and a protective coating provided on the display surface side of the bending region. When a direction in which the display region, the bending region, and the terminal region are arranged is defined as a first direction and a direction crossing the first direction is defined as a second direction, the bending region includes a bank portion located in the second direction with respect to the protective coating, projecting to the display surface side, and extending in the first direction.

Display apparatus

A display apparatus includes a substrate, a wire having an inner edge including first and second portions, a first insulating layer covering a portion of the substrate, and a second insulating layer. The portion of the substrate covered by the first insulating layer is closer to a center of the substrate than the wire, the first insulating layer covers a part of the first portion of the wire and a part of the second portion of the wire, and a first end of the first insulating layer is disposed on the wire. The second insulating layer covers the first insulating layer and has a second end disposed on the wire. A distance between the first end and the second end covering the first portion of the wire is different from a distance between the first end and the second end covering the second portion of the wire.

DISPLAY DEVICE AND METHOD FOR MANUFACTURING ORGANIC ELECTROLUMINESCENT DISPLAY PANEL
20230263016 · 2023-08-17 · ·

According to an aspect, a display device includes: a substrate; a planarization layer provided on the substrate; a plurality of electrodes provided on the planarization layer and arrayed in a first direction and a second direction; a bank provided on the planarization layer and the electrodes and formed in a grid pattern so as to surround each of the electrodes; and a light-emitting layer provided on the electrodes. The bank protrudes with respect to the electrodes in a third direction orthogonal to the first direction and the second direction, and a cutout is formed in part of the bank.

Organic light emitting diode panel and method for fabricating same
11329246 · 2022-05-10 ·

An organic light emitting diode panel and a fabrication method thereof are provided. The organic light emitting diode panel includes a substrate; a pixel defining layer disposed over a portion of the substrate; an organic light emitting diode device and an auxiliary cathode contacting device disposed over the substrate, wherein the organic light emitting diode device includes an anode layer, a hole injecting layer, a hole transporting layer, a light emitting layer, and an electron transporting layer sequentially formed over a portion of the substrate, and the auxiliary cathode contacting device includes an auxiliary cathode and a conductive contact sequentially formed over another portion of the substrate; a conductive contact, including a conductive mixture consisting of the electron transporting layer and a solvent material used to dissolve the electron transporting layer; and a transparent electrode layer, covering the electron transporting layer, the pixel defining layer, and the conductive contact.

OLED PANEL WITH ADVANCED SUB-PIXEL OVERHANGS

Embodiments described herein relate to a device including a substrate, a plurality of adjacent pixel-defining layer (PDL) structures disposed over the substrate, and a plurality of sub-pixels. Each sub-pixel includes adjacent first overhangs, adjacent second overhangs, an anode, a hole injection layer (HIL) material, an additional organic light emitting diode (OLED) material, and a cathode. Each first overhang is defined by a body structure disposed on and extending laterally past a base structure disposed on the PDL structure. Each second overhang is defined by a top structure disposed on and extending laterally past the body structure. The HIL material is disposed over and in contact with the anode and disposed under the adjacent first overhangs. The additional OLED material is disposed on the HIL material and extends under the first overhang.

OLED PANEL WITH ADVANCED SUB-PIXEL OVERHANGS

Embodiments described herein relate to a device including a substrate, a plurality of adjacent pixel-defining layer (PDL) structures disposed over the substrate, and a plurality of sub-pixels. Each sub-pixel includes adjacent first overhangs, adjacent second overhangs, an anode, a hole injection layer (HIL) material, an additional organic light emitting diode (OLED) material, and a cathode. Each first overhang is defined by a body structure disposed on and extending laterally past a base structure disposed on the PDL structure. Each second overhang is defined by a top structure disposed on and extending laterally past the body structure. The HIL material is disposed over and in contact with the anode and disposed under the adjacent first overhangs. The additional OLED material is disposed on the HIL material and extends under the first overhang.

DESCENDING ETCHING RESISTANCE IN ADVANCED SUBSTRATE PATTERNING

Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. In one example, a device includes a substrate, pixel-defining layer (PDL) structures disposed over the substrate and defining sub-pixels of the device, and a plurality of overhang structures. The first sub-pixel includes a first anode, OLED material, a first cathode, and a first encapsulation layer having a gap defined by a first portion of the first encapsulation layer disposed over the first cathode, a second portion of the first encapsulation layer disposed over a sidewall of the body structure, and a third portion of the first encapsulation layer under an underside surface of the top extension of the top structure, the first portion of the first encapsulation layer contacting the third portion of the first encapsulation layer.

DESCENDING ETCHING RESISTANCE IN ADVANCED SUBSTRATE PATTERNING

Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. In one example, a device includes a substrate, pixel-defining layer (PDL) structures disposed over the substrate and defining sub-pixels of the device, and a plurality of overhang structures. The first sub-pixel includes a first anode, OLED material, a first cathode, and a first encapsulation layer having a gap defined by a first portion of the first encapsulation layer disposed over the first cathode, a second portion of the first encapsulation layer disposed over a sidewall of the body structure, and a third portion of the first encapsulation layer under an underside surface of the top extension of the top structure, the first portion of the first encapsulation layer contacting the third portion of the first encapsulation layer.

ORGANIC ELECTROLUMINESCENT DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE
20220140017 · 2022-05-05 ·

An organic electroluminescence display panel a manufacturing method thereof, and a display device are described. Each sub-pixel in the display panel includes a first electrode layer and a second electrode layer that are arranged oppositely, and an organic light-emitting function layer, and at least one of the sub-pixels further includes a light-absorbing layer disposed on a side of the second electrode layer away from the organic light emitting function layer. The light-absorbing layer absorbs the wavelength band where the tailing peak of the emission spectrum curve is located.

Organic light emitting display device

A light emitting display device comprises a substrate, a first pixel electrode disposed on the substrate, a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode, a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film, and a black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer. Light having passed through the first opening of the black matrix is one of red light, green light, and blue light. The first opening of the black matrix may have a shape with a curved portion.