Lg Display Co., Ltd.

JungSun Baek

Taehwan Kim

Yongmin Kim

Seongjoo Lee

SunMi Lee

Sunmi Lee

Mi-Na Kim

Seungpyo Hong

Jeongoh Kim

Namseok Yoo

Jeonggi Yun

Hyeonchul Im

SeokWoo Son

Joyeon Kim

GoEun Lim

NamYong Kim

Hyojae Lee

HyeonChul Im

SeongJoo Lee

ChangHyun Song

Namyong Kim

KyoungJin Nam

A display panel can include first, second and third subpixels on a substrate; an overcoat layer in the first, second and third subpixels; a concave area and a convex area in the overcoat layer in at least one of the first, second and third subpixels, the concave area being connected to the convex area through a first inclined surface of the overcoat layer; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers on the first, second and third anode electrodes, respectively; and a bank layer on the overcoat layer, the bank layer including a third inclined surface, at least one of the first, second and third inclined surfaces reflects light.

Display panel with configuration for enhanced luminance efficiency

A display device can include a substrate including a plurality of sub-pixels, an overcoating layer on the substrate and including a base portion and protrusion portions, a first electrode corresponding to each of the plurality of sub-pixels and covering the base portion and the protrusion portions, a bank on a portion of the first electrode, an organic layer on the first electrode and the bank, a second electrode on the organic layer, an encapsulation unit on the second electrode, and a color filter on the encapsulation unit. The color filter can overlap another portion of the first electrode that is exposed by the bank. Therefore, it is possible to improve a luminance viewing angle and lateral visibility by disposing the color filter to overlap the emission area alone.

Display device

A display panel can include a substrate including an active area and a non-active area; a transistor disposed on the substrate; an insulation film disposed on the transistor, the insulation film including at least one concave portion; and a sub-pixel electrically connected to the transistor, the sub-pixel including an organic light emitting diode disposed on the insulation film. Also, the sub-pixel includes at least two light emitting parts and at least one non-light emitting part, and the at least one non-light emitting part is disposed between the at least two light emitting parts, and a surface of the organic light emitting diode includes at least one protrusion located in the at least one non-light emitting part.

Organic light emitting display panel having improved light efficiency and organic light emitting display device including the same

Discussed is a touch display device that can include a substrate including an active area and a non-active area, a transistor disposed on the substrate, a sub-pixel electrically connected to the transistor, and including an organic light emitting diode, an encapsulation layer disposed on the organic light emitting diode, a planarization layer disposed on the encapsulation layer, and a plurality of touch electrodes disposed between the encapsulation layer and the planarization layer, the plurality of touch electrodes including an open area. The planarization layer can include a thickness variation at the open area of the plurality of touch electrodes.

Touch display device

The present disclosure relates to display panels and display devices including the display panels, and more for example, to a display panel with excellent luminance and a display device including the display panel, by including an insulating film having an inclined portion with a high-inclined portion.

Display panel with improved luminance or efficiency and display device comprising the same

A touch display device can include a substrate including an active area and a non-active area, a transistor disposed on the substrate, a sub-pixel electrically connected to the transistor and including an organic light emitting diode, an encapsulation layer disposed on the organic light emitting diode, a planarization layer disposed on the encapsulation layer and including a lens unit, and a plurality of touch electrodes disposed between the encapsulation layer and the planarization layer. The plurality of touch electrodes can include an open area. Further, the lens unit can be disposed in the open area of the plurality of touch electrodes.

A display panel can include a substrate including an active area and a non-active area; a transistor disposed on the substrate; an insulation film disposed on the transistor, the insulation film including at least one concave portion; and a sub-pixel electrically connected to the transistor, the sub-pixel including an organic light emitting diode disposed on the insulation film. The sub-pixel includes at least two light emitting parts and at least one non-light emitting part, and the at least one non-light emitting part is disposed between the at least two light emitting parts. A surface of the organic light emitting diode includes at least one protrusion located in at least one of the at least two light emitting parts.

Embodiments of the disclosure relate to an organic light emitting display panel and an organic light emitting display device including the same, and more specifically, to an organic light emitting display panel and an organic light emitting display device which include: an insulation film with at least one concave portion including a flat portion and an inclined portion surrounding the flat portion in at least one subpixel, a first electrode disposed on the concave portion, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, an encapsulation layer disposed on the second electrode, and at least one structure disposed on the encapsulation layer, overlapping at least one light emitting area, and having at least a side surface where a light reflecting member is disposed, thereby enhancing light extraction efficiency.

Organic light emitting display panel and organic light emitting display device including the same

Embodiments of the present disclosure relate to a touch display device, and more particularly, provide a touch display device with improved brightness owing to including an insulating film having a concave portion and a planarization layer having a microlens unit.

Embodiments of the disclosure relate to an organic light emitting display panel and organic light emitting display device including the same, and more specifically, to an organic light emitting display panel and organic light emitting display device which includes an insulation film including at least one concave portion including a flat portion and an inclined portion surrounding the flat portion in at least one subpixel of the active area and a first electrode of an organic light emitting diode disposed on a portion of the concave portion and a surrounding portion disposed around the concave portion in the at least one subpixel area and including at least one protrusion on a surface thereof, thereby enhancing light extraction efficiency.

A display device, such an organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.

A display panel can include a substrate including first, second and third subpixels; an overcoat layer including a first inclined surface in at least one of the first, second and third subpixels; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, wherein at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers disposed on the first, second and third anode electrodes, respectively; and a bank layer disposed on the overcoat layer, the bank layer including a third inclined surface overlapping with both the first and second inclined surfaces of the overcoat layer and the at least one of the first, second and third anode electrodes, in which at least one of the first, second and third inclined surfaces is configured to reflect light emitted from a corresponding one of the first, second and third organic light emitting layers.

Growing community of inventors

Gyeonggi-do, South Korea

JungSun Baek