A display device can include a substrate in which a display area and a non-display area are disposed, a thin film transistor disposed on a the substrate that corresponds to the display area, a gate driver disposed on a portion of the substrate that corresponds to the non-display area, a protection layer disposed to cover the thin film transistor and the gate driver, a planarization layer disposed on the protection layer and including a plurality of openings exposing at least a part of the protection layer in the non-display area, an organic light emitting diode disposed on the planarization layer so as to be electrically connected to the thin film transistor in the display area, and a nano particle layer disposed on the protection layer overlapping the plurality of openings. The nano particle layer includes nano particles surface-modified with a hydrophobic functional group.

A display substrate, a display panel, an electronic device and a display method. The display substrate includes first electrodes in a first display region and second electrodes in a second display region, a first light-emitting portion in the first display region and a second light-emitting portion in the second display region, and the first electrodes being of strip shapes extending along a first direction and being spaced apart from each other along a second direction; third electrodes in the first display region and a fourth electrode in the second display region, the third electrode being of strip shapes extending along the second direction and being spaced apart from each other along the first direction.

Embodiments of the present disclosure generally relate to electroluminescent devices, such as organic light-emitting diodes, and displays including electroluminescent devices. In an embodiment is provided an electroluminescent device that includes a pixel defining layer, an organic emitting unit disposed over at least a portion of the pixel defining layer, and a filler layer disposed over at least a portion of the organic emitting unit, wherein a refractive index of the pixel defining layer is lower than a refractive index of the filler layer, and wherein the refractive index of the pixel defining layer is lower than a refractive index of one or more layers of the organic emitting unit. In another embodiment is provided a display device that includes a substrate, a thin film transistor formed on the substrate, an interconnection electrically coupled to the thin film transistor, and an electroluminescent device electrically coupled to the interconnection.

According to one embodiment, a display device manufacturing method comprises forming a lower electrode including a first metal layer and a conductive oxide layer which covers the first metal layer and which has a thickness of 15 nm or more and 50 nm or less, forming a rib covering at least a part of the lower electrode and including a pixel aperture which exposes the conductive oxide layer, forming a second metal layer above the rib and the conductive oxide layer exposed through the pixel aperture, and patterning the second metal layer by etching including wet etching to form a partition on the rib.

The present disclosure relates to an electroluminescence display having enhanced display quality by reducing reflection of external light. An electroluminescence display comprises: a light shielding layer on a substrate, the light shielding layer including a first metal layer and a second metal layer on the first metal layer; a first buffer layer at least partially covering the light shielding layer on the substrate; a second buffer layer on the first buffer layer; a gate insulating layer on the second buffer layer; a gate line on the gate insulating layer and non-overlapping with the light shielding layer, the gate line including a third metal layer and a fourth metal layer on the third metal layer; a passivation layer at least partially covering the gate line; a planarization layer on the passivation layer; and an emission element including a first electrode, an emission layer, and a second electrode sequentially arranged on the planarization layer.

A display panel includes a display area composed of a light-emitting area and a light-transmissive area in which a dark spot defect in the light-transmissive area does not occur. Further, in the display panel, a decrease in transmittance due to light leakage can be prevented, and color mixing between adjacent pixels can be prevented. To this end, a metal layer is disposed at a boundary between the light-emitting area and the light-transmissive area, a metal layer is disposed at a boundary between sub-pixels rendering different colors and adjacent to each other, and a metal layer is disposed at a boundary between two adjacent light-transmissive areas.

A display device includes a display area including a light emitting area and a light blocking area which is adjacent to the light emitting area, a peripheral area adjacent to the display area, a first light emitting element which is in the light emitting area and emits a first light having a first wavelength range, and a color filter layer which is in the light emitting area and includes a photochromic material which is discolored by a second light having a second wavelength range different from the first wavelength range.

The present application discloses a display panel and a display device. The display panel includes pixel areas and transmitting areas in a first display area. The display panel further includes a light-emitting unit layer including light-emitting units, an auxiliary layer, a first electrode layer covering the light-emitting unit layer and at least part of the auxiliary layer, and a transparent auxiliary electrode layer at least covering part of the auxiliary layer and electrically connected to the first electrode layer. A thickness of the first electrode layer on the auxiliary layer is less than a thickness of the first electrode layer on the light-emitting unit layer.

A display substrate includes: a wafer base (1) provided with a transistor; a metal reflective structure (2) on the wafer base, the metal reflective structure being electrically connected to the transistor, and being provided with a protrusion (21) protruding away from the wafer base; a first insulation layer (3) on a side of the metal reflective structure away from the wafer base, a surface of a portion of the first insulation layer corresponding to the metal reflective structure and facing away from the metal reflective structure being flush with a top face of the protrusion; and a transparent anode (4) on a side of the first insulation layer facing away from the metal reflective structure, the transparent anode being in contact connection with the top face of the protrusion.

A display device includes: an oxide semiconductor layer; a gate electrode facing the oxide semiconductor layer; a gate insulating layer between the oxide semiconductor layer and the gate electrode; a light-shielding layer overlapping part of the oxide semiconductor layer in a plan view; a first insulating layer covering the oxide semiconductor layer, the gate electrode, and the gate insulating layer, the first insulating layer including a first opening including a first side wall overlapping the light-shielding layer and a second side wall not overlapping the light-shielding layer in a plan view; and a transparent conductive layer arranged above the first insulating layer and connected to the oxide semiconductor layer via the first opening. The transparent conductive layer is arranged in an area overlapping the first side wall and is not arranged in at least part in an area overlapping the second side wall in a plan view.