Light sources including one or more light emitting diodes (LEDs) comprise a down converter material on the one or more LEDs; and a functional material that is laser-patterned on the down converter material. The functional material may be a distributed Bragg reflector (DBR). a dichroic filter (DCF), a ceramic material, or a powdered phosphor layer. The down converter material may comprise a polycrystalline ceramic plate of a phosphor material. A method of manufacturing a light source comprises: patterning a functional material of a light source comprising one or more light emitting diodes and a phosphor material.

The disclosure discloses a backlight module and a display device including the same. The backlight module includes a substrate, a light source assembly disposed on the substrate and including a plurality of light-emitting chips disposed at intervals, and a light guide plate disposed on the light source assembly. A surface of the light guide plate facing the substrate is provided with a plurality of grooves where one of the light-emitting chips is correspondingly disposed in one of the grooves, a bottom of each of the grooves is provided with a plurality of first concave parts disposed at intervals, and each of the first concave parts is defined with an arc surface recessed towards a direction away from the substrate.

Provided are a method for manufacturing a display panel, a display panel and a display device, which relate to the field of display technology and are used to optimize the performance of the display panel. The method includes: forming a light-emitting device layer on one side of a substrate, the light-emitting device layer including a plurality of light-emitting elements; forming a first light management layer on a side of the light-emitting device layer away from the substrate, the first light management layer including a plurality of openings spaced apart from each other; forming a second light management layer, at least part of which being located in the openings, the second light management layer including resin and dye, a photocuring treatment and a thermal curing treatment are performed during the formation of the second light management layer, and the photocuring treatment is performed earlier than the thermal curing treatment.

A light-emitting device and a display apparatus. The light-emitting device extracts, by means of a light extraction member, light emitted from a side surface (a second light-emitting surface) of a semiconductor light source; the light from the side surface is collected to a top part to be emitted to a wavelength conversion member together with light from a first light-emitting surface; white light is emitted from a top part (a second abutting surface of the wavelength conversion member; and after passing through a light-transmitting layer, the white light is emitted from a top part of the light-transmitting layer that is in the thickness direction thereof and is provided with a light inhibition layer, and the white light from the top part is partially inhibited by the light inhibition layer.

This application provides a pixel unit, a manufacturing method therefor, a microdisplay, and a pixel-level discrete device. The pixel unit includes a backplane and a display unit. The display unit is arranged on the backplane, and includes a first device layer and a second device layer. The first device layer includes a first compound light-emitting layer and a second compound light-emitting layer. The second device layer includes a color conversion layer and a third compound light-emitting layer. The color conversion layer is arranged above the first compound light-emitting layer. The color conversion layer is arranged, so that the compound light-emitting layer can implement color development through color conversion, to reduce power and improve performance. The pixel unit occupies less space in the horizontal direction. A decrease in external quantum efficiency caused by a size effect is effectively reduced, power consumption is effectively reduced, and performance such as brightness is improved.

A light-emitting substrate includes a first substrate, a reflective layer and support columns. The reflective layer is disposed on the first substrate and provided with first openings. At least for two of cross-sections, parallel to a place where the first substrate is located, of a first opening, an area of a cross-section relatively proximate to the first substrate is less than an area of a cross-section relatively away from the first substrate. The support columns are located on a side of the reflective layer away from the first substrate and fixed on the first substrate. An orthographic projection of a support column on the first substrate is a first projection, an orthographic projection a minimum cross-section of the cross-sections is a second projection, and the second projection lies within a range of the first projection.

In an embodiment a display unit includes a first contact layer, a second contact layer, a plurality of connection region and a plurality of optoelectronic semiconductor components, wherein the first contact layer has a plurality of row lines at a row spacing from one another, wherein the second contact layer has a plurality of column lines at a column spacing from one another, wherein the first contact layer and the second contact layer are arranged stacked, wherein each of the connection regions electrically conductively connects at least one row line to at least one column line, and wherein the row spacing deviates by less than 50% from the column spacing.

There is provided a light source to emit an output light along an output path. The light source includes a substrate, and a plurality of light emitters disposed on the substrate in the output path. The light emitters each have a footprint on the substrate and extend away from the substrate laterally to the output path. The light emitters each include a quantum well to emit the output light when the light emitter is electrically biased. Moreover, the light emitters each have a refractive index higher than a corresponding refractive index of an environment outside of and abutting the light emitters. The light emitters may each include a nanorod, and each pair of neighboring nanorods may be spaced from one another along the output path by a distance being about n/2, where is a wavelength of the output light and n is a natural number.

A light irradiating module comprises: a board; a plurality of wiring patterns which are formed on the board; and a plurality of LED elements which are disposed on the plurality of wiring patterns. The plurality of wiring patterns include: first wiring patterns each of which has a first straight part and a plurality of first protruding parts protruding from the first straight part; and second wiring patterns each of which has a second straight part and a plurality of second protruding parts protruding from the second straight part. The first wiring patterns and the second wiring patterns are disposed alternately, the plurality of first protruding parts and the plurality of second protruding parts adjacent thereto are aligned alternately, and the plurality of LED elements are disposed on the first protruding parts and the second protruding parts.

The present relates to a micro LED display device and a method for manufacturing the micro LED display device, wherein micro LEDs and a drive substrate can be stably bonded without a reduction in light extraction efficiency. The micro LED display device a drive substrate having a first pad and a second pad that are connected to different potentials; and micro LEDs having a light-emitting structure in which an n-type semiconductor layer, an active layer, and a p-type semiconductor layer are stacked, an n-type pad electrically connecting the n-type semiconductor layer and the first pad, and a p-type pad electrically connecting the p-type semiconductor layer and the second pad. One of the n-type pad or the p-type pad may be provided on a side surface of the light-emitting substrate.