Solid state lights (SSLs) including a back-to-back solid state emitters (SSEs) and associated methods are disclosed herein. In various embodiments, an SSL can include a carrier substrate having a first surface and a second surface different from the first surface. First and second through substrate interconnects (TSIs) can extend from the first surface of the carrier substrate to the second surface. The SSL can further include a first and a second SSE, each having a front side and a back side opposite the front side. The back side of the first SSE faces the first surface of the carrier substrate and the first SSE is electrically coupled to the first and second TSIs. The back side of the second SSE faces the second surface of the carrier substrate and the second SSE is electrically coupled to the first and second TSIs.

A display device including a light source member including a plurality of light emitting units emitting a first color light, an optical member disposed on an upper side of the light source member, and a liquid crystal display panel disposed on an upper side of the optical member. The optical member includes a base substrate, a color conversion layer disposed on the base substrate and including a quantum dot for converting the first color light into a second color light and a third color light, a filter layer disposed between the base substrate and the color conversion layer and transmitting the first color light and reflecting the second color light and the third color light, and an optical path changing layer disposed on at least one of an upper surface and a lower surface of the filter layer.

A lighting device includes a light source emitting light having a first bandwidth. A single optic device is coupled to the light source. The single optic device filters light having a preselected subrange of wavelengths within the first bandwidth to generate a first filtered light. The single optic device controls a shape of a beam of the filtered light. The filtered light creates a high-intensity narrow-spectrum light output. A second light source emits a high-intensity narrow-spectrum light output.

A light-emitting device includes light-emitting elements each having a light-extracting surface, light-transmissive members and a covering member, The light-transmissive members each has an upper surface and a lower surface facing the light-extracting surface of at least one of the light-emitting elements. The covering member integrally covers lateral surfaces of the light-emitting elements and lateral surfaces of the light-transmissive members such that a pair of electrodes of the light-emitting elements are exposed from the covering member at a lower surface of the covering member. At a lower surface of the light-emitting device, the light-emitting elements are arranged in a plurality of columns and a plurality of rows, an alignment direction of the electrodes in one of the light-emitting elements is rotated by 90° in a prescribed. direction from an alignment direction of the electrodes in an adjacent one of the light-emitting elements in one of a column direction and a row direction.

A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.

A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.

The invention provides a light generating device (1000) comprising a light source (10) and a luminescent element (20), wherein:—the light source (10) is configured to generate the first radiation (11); wherein the light source (10) comprises a laser light source;—the luminescent element (20) comprises (i) a plurality of element bodies (200) and (ii) a thermally conductive support (400); wherein the plurality of element bodies (200) comprises a plurality of first bodies (210) and a plurality of second bodies (220);—the plurality of first bodies (210) comprise a luminescent material (50), wherein the luminescent material (50) is configured to convert at least part of first radiation (11), selected from one or more of UV radiation and visible radiation, into luminescent material light (51); wherein the first bodies have a first thermal conductivity K1; wherein the first bodies (210) are configured in a light receiving relationship with the light source (10);—the plurality of second bodies (220), different from the first bodies (210) are light transmissive for one or more wavelengths of the first radiation (11) and the luminescent material light (51); wherein the second bodies (220) have a second thermal conductivity K2, wherein K2≥0.2*K1;—the plurality of first bodies (210) and the plurality of second bodies (220) are configured in a 2D arrangement (205), wherein for a plurality of second bodies (220) applies that they are configured adjacent to different first bodies (210); and—the plurality of first bodies (210) and second bodies (220) are configured in thermal contact with the thermally conductive support (400).

The invention pertains to the field of nanotechnology. The invention provides highly luminescent nanostructures, particularly highly luminescent nanostructures comprising a ZnSe.sub.1-.sub.xTe.sub.x core and ZnS and/or ZnSe shell layers. The nanostructures comprising a ZnSe.sub.1-.sub.xTe.sub.x core and ZnS and/or ZnSe shell layers display a low full width at half-maximum and a high quantum yield. The invention also provides methods of producing the nanostructures.

An electronic device is provided in this disclosure. In some embodiments, the electronic device includes a first substrate and a second substrate adjacent to the first substrate. In some embodiments, the electronic device includes a plurality of organic light emitting diodes, a filter layer, and a third substrate. At least a part of the plurality of organic light emitting diodes are disposed on the first substrate. The filter layer is disposed at least on the second substrate. The third substrate is disposed corresponding to the first substrate and the second substrate. The plurality of organic light emitting diodes and the filter layer are disposed under the third substrate.

A light emitting device including a substrate, a first light emitter to emit light having a first color temperature, and a second light emitter to emit light having a second color temperature, in which the first light emitter has a first converter including first phosphors and a first resin, each first phosphor having different half-value widths, the second light emitter has a second converter including second phosphors and a second resin, each second phosphor having different peak wavelengths, at least one phosphor of the first converter has a half-value width of 33 nm to 110 nm, a distance between peak wavelengths of at least two phosphors of the second converter is 150 nm or less, at least one phosphor of the first converter has a particle size of 5 um to 50 um, and a thickness of the second converter is in 0.07 mm to 1.5 mm.