The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes: a base substrate having pixel regions arranged in an array, each pixel region including a first sub-pixel region and a second sub-pixel region; a light emitting layer and a color conversion layer sequentially stacked on the base substrate; the color conversion layer includes a first color conversion block in at least the first sub-pixel region of at least one pixel region, each of the at least one first color conversion block includes at least two color conversion materials for converting a light component of a color into a light of a target display color, colors of the light components converted by the color conversion materials are different, the target display color is different from the color of the light emitted from the light emitting layer.

The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes: a base substrate having pixel regions arranged in an array, each pixel region including a first sub-pixel region and a second sub-pixel region; a light emitting layer and a color conversion layer sequentially stacked on the base substrate; the color conversion layer includes a first color conversion block in at least the first sub-pixel region of at least one pixel region, each of the at least one first color conversion block includes at least two color conversion materials for converting a light component of a color into a light of a target display color, colors of the light components converted by the color conversion materials are different, the target display color is different from the color of the light emitted from the light emitting layer.

There is provided a display element, including: a display region including pixels arranged in a two-dimensional form, each of the pixels including a plurality of sub pixels. In each pixel, a height of a light reflecting portion with respect to a light emitting portion is adjusted for each sub pixel.

An array substrate is provided, including a base substrate, a semiconductor active layer, a gate electrode, a source electrode, and a drain electrode that are sequentially provided, and further including a first insulating layer, a second insulating layer, a third insulating layer, at least one first via, and at least one second via. Each first via penetrates through the third insulating layer, and in each pixel unit with plural chromatic color resists, each first via is between adjacent two chromatic color resists and filled by one of the adjacent two chromatic color resists. Each second via penetrates through the second insulating layer, the at least one second via is in one-to-one correspondence with the at least one first via, each second via is filled by a chromatic color resist having a same color as that of the chromatic color resist in the corresponding first via.

A display device may include a substrate, a light emitting structure on the substrate, a thin film encapsulation layer on the light emitting structure, a color filter layer on the thin film encapsulation layer and including a red color filter selectively transmitting a red light, a green color filter selectively transmitting a green light, and a blue color filter selectively transmitting a blue light, and an overcoat layer on the color filter layer and including at least one selected from a dye and a pigment, wherein an upper surface of the red color filter may be lower than an upper surface of the green color filter and an upper surface of the blue color filter, and wherein a height of the upper surface of the green color filter and a height of the upper surface of the blue color filter may be equal to each other.

A display device may include a substrate, a light emitting structure on the substrate, a thin film encapsulation layer on the light emitting structure, a color filter layer on the thin film encapsulation layer and including a red color filter selectively transmitting a red light, a green color filter selectively transmitting a green light, and a blue color filter selectively transmitting a blue light, and an overcoat layer on the color filter layer and including at least one selected from a dye and a pigment, wherein an upper surface of the red color filter may be lower than an upper surface of the green color filter and an upper surface of the blue color filter, and wherein a height of the upper surface of the green color filter and a height of the upper surface of the blue color filter may be equal to each other.

The present disclosure provides a quantum dot color filter, a fabrication method thereof, a display panel and a display device, and belongs to the field of display technology. The quantum dot color filter of the present disclosure includes a quantum dot functional layer configured to emit light of a certain color under excitation of excitation light. The quantum dot functional layer has a hollowed-out portion, which exposes a side surface of the quantum dot functional layer, so that the excitation light is able to arrive at the side surface.

A quantum dot composition of an embodiment includes: a quantum dot; a ligand combined with a surface of the quantum dot; and a ligand scavenger having a nucleophilic reaction group.

A display panel including a light emitting element to emit a source light and including a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and outputting a source light, a pixel definition layer including an opening exposing at least a portion of the first electrode, an optical conversion pattern disposed on the pixel definition layer, a reflection pattern disposed on the light emitting element and including an inclined surface, and a first light blocking pattern disposed outside from the optical conversion pattern when viewed in a plan view.

A display panel including a light emitting element to emit a source light and including a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and outputting a source light, a pixel definition layer including an opening exposing at least a portion of the first electrode, an optical conversion pattern disposed on the pixel definition layer, a reflection pattern disposed on the light emitting element and including an inclined surface, and a first light blocking pattern disposed outside from the optical conversion pattern when viewed in a plan view.