The present application discloses a manufacturing method for a display module and a display screen. The method includes: forming a semiconductor device by pre-processing a semiconductor epitaxial wafer; forming a first transparent layer on a substrate surface of the semiconductor device; forming a first opening exposing the substrate by etching the first transparent layer; forming a first quantum dot layer on the substrate surface exposed by the first opening and the surface of the first transparent layer; etching away the first quantum dot layer in the outer region of the first opening, and remaining the first quantum dot layer inside the first opening; and forming a DBR film layer that filters blue light.

A display apparatus including a driving circuit substrate, a first bank layer, a plurality of light-emitting elements, an opposite substrate, a second bank layer and an encapsulation layer. The first bank layer is disposed on the driving circuit substrate and has a plurality of openings. The plurality of light-emitting elements are disposed in the plurality of openings of the first bank layer. The opposite substrate is disposed opposite to the driving circuit substrate. The second bank layer is disposed on the opposite substrate. The second bank layer includes a plurality of bank blocks. The plurality of bank blocks are separated from each other and have a plurality of gaps. At least one of the plurality of light-emitting elements overlaps at least one of the plurality of gaps. The encapsulation layer is disposed on the plurality of bank blocks and in the plurality of gaps between the plurality of bank blocks.

A display device may include a lower substrate, a light emitting layer on the lower substrate, an encapsulating layer on the light emitting layer, a light blocking layer on the encapsulating layer and having a plurality of openings, a color conversion layer on the encapsulating layer and overlapping the plurality of openings, a spacer on the light blocking layer, an insulating layer on the light blocking layer and the color conversion layer and contacting the spacer, and a color filter layer on the insulating layer. A refractive index of the spacer may be smaller than a refractive index of the insulating layer.

An electronic device, which has a plurality of display areas and a transmissive area surrounding the display areas, includes a first substrate, multiple light-emitting units, multiple first optical units, a first encapsulating layer, and a second encapsulating layer. The light-emitting units are arranged on the first substrate and disposed in the display areas, respectively. The first optical units are disposed in the display areas, respectively, and located above the light-emitting units, respectively. The first encapsulating layer is arranged on the light-emitting units and located between the light-emitting units and the first optical units. The second encapsulating layer is disposed on the first optical units. The first encapsulating layer contacts the second encapsulating layer in the transmissive area, so that the first optical units are enclosed in a plurality of spaces formed by the first encapsulating layer and the second encapsulating layer.

A display device include: a first light emitting element disposed in a first pixel area, a second light emitting element disposed in a second pixel area spaced apart from the first pixel area, a first color conversion layer disposed on the first light emitting element, a second color conversion layer disposed on the second light emitting element, a first color filter layer covering the first color conversion layer, a second color filter layer covering the second color conversion layer, and a third color filter layer disposed in a first non-light emitting area between the first pixel area and the second pixel area. The third color filter layer is configured to selectively transmit a color light different from color lights selectively transmitted by the first color conversion layer and the second color conversion layer.

An electronic device includes a second substrate disposed relative to a first substrate, a first light-emitting unit disposed between the first substrate and the second substrate, a first microstructure on the first surface of the first light-emitting unit and the first surface away from the first substrate, and an adhesive layer disposed between the second substrate and the first surface of the first light-emitting unit. There is a first gap between the adhesive layer and the first microstructure.

Provided is a display device including a light emitting element layer disposed on a substrate, a thin-film encapsulation layer disposed on the light emitting element layer, a counter substrate facing the substrate, a color filter layer disposed on a surface of the counter substrate and having light transmitting areas and a light blocking area defined, a wavelength conversion layer disposed on the color filter layer, and a filling layer disposed between the wavelength conversion layer and the thin-film encapsulation layer, wherein the wavelength conversion layer includes, a bank overlapping the light blocking area, light transmitting members disposed between portions of the bank and spaced apart from each other, and organic layers spaced apart from each other with the bank interposed between the organic layers and covering the light transmitting members, and lower surfaces of the organic layers and a lower surface of the bank are disposed on a same layer.

A light-emitting module includes light source units arranged in a first direction and in a second direction orthogonal to the first direction. Each of the light source units includes at least one light-emitting element and a light-transmissive member covering the light-emitting element and having a lateral surface from which light from the light-emitting element is emitted. In a top view, on a normal line passing through a center of the lateral surface being Mth in the first direction and Nth in the second direction, the lateral surface being (M+1)th in the first direction and {N+L (where L is a natural number greater than or equal to 2)}th in the second direction is positioned, while no light source unit is present between the light source unit being the Nth in the second direction and the light source unit being the (N+L)th in the second direction on the normal line.

A display device having a high color purity and a color conversion structure of the display device having the high color purity. The color conversion structure is configured to convert light emitted from a blue light substrate, and includes a color conversion layer, a first filter layer disposed on the color conversion layer, and a second filter layer disposed on the first filter layer. The color conversion layer includes a blue light-transmitting region, a green conversion region, and a red conversion region. The first filter layer includes another blue light-transmitting region that corresponds in position to the blue light-transmitting region. The first and second filter layers can filter blue light of different ratios, so that color purities of red light and green light are enhanced and brightness of the blue light is ensured.

A nanoparticle, a method of manufacturing the nanoparticle, a composition including the nanoparticle, a composite including a matrix and a plurality of nanoparticles dispersed in the matrix, a display device including the nanoparticle, and an electronic device including the nanoparticle. The nanoparticle includes a semiconductor nanocrystal including zinc, indium, and selenium. In the semiconductor nanocrystal, a mole ratio of indium to selenium (In:Se) is greater than or equal to about 0.1:1 and less than or equal to about 0.5:1. The nanoparticle does not include cadmium, and the nanoparticle is configured to emit a first light. A peak emission wavelength of the first light is greater than or equal to about 480 nanometers and less than or equal to about 700 nanometers.