A light-emitting device 1 comprises a base 30, a nitride semiconductor light-emitting element 10 flip-chip mounted on the base 30, and an amorphous fluororesin sealing the nitride semiconductor light-emitting element 10. The light-emitting device 1 comprises a deformation-prevention layer 60 for preventing a shape change of an amorphous fluororesin by heat treatment after shipment of the light-emitting device 1, and the deformation-prevention layer 60 is formed of a layer in which a thermosetting resin or an ultraviolet curing resin is cured, and the cured layer directly covers the surface of the amorphous fluororesin.

A light emitting device includes: a plurality of light emitting elements; a plurality of light transmissive members, each located on an upper surface of a respective one of the light emitting element; a mounting board on which the light emitting elements are disposed; a first cover member located on or above the mounting board, the first cover member comprising: a first reflective material containing layer disposed between the light emitting elements and containing a first reflective material, and a light transmissive layer disposed between the light transmissive members; and a second cover member disposed around the light emitting elements and comprising a second reflective material.

A directional illumination apparatus comprises a waveguide with a reflective surface comprising reflective light input facets, reflective light extraction facets and an output transmissive surface. An array of sub-arrays of micro-LEDs is arranged to illuminate the reflective surface in a rearwards direction. The reflective light extraction facets cooperate to provide a uniform output illumination across the output aperture of the waveguide with collimated light that is controllable by control of the sub-arrays of micro-LEDs. A thin and efficient illumination apparatus may be used for switching high dynamic range display backlighting, privacy display or environmental illumination applications.

According to at least one aspect, a lighting device is provided. The lighting device comprises a circuit board, an LED mounted to the circuit board that is configured to emit light with an angular CCT deviation, a lens assembly mounted to the circuit board over the LED and configured to receive the light emitted from the LED and reduce the angular CCT deviation of the light received from the LED to make a color temperature of the light received from the LED more uniform, and an elastomer encapsulating at least part of the circuit board that is separate and distinct from the lens assembly.

A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.

A fabric-based item may include fabric layers and other layers of material. An array of electrical components may be mounted in the fabric-based item. The electrical components may be mounted to a support structure such as a flexible printed circuit. The flexible printed circuit may have a mesh shape formed from an array of openings. Serpentine flexible printed circuit segments may extend between the openings. The electrical components may be light-emitting diodes or other electrical devices. Polymer with light-scattering particles or other materials may cover the electrical components. The flexible printed circuit may be laminated between fabric layers or other layers of material in the fabric-based item.

A method of forming a light emitting structure, the light emitting structure comprising: a light emitting layer configured to emit light having a primary peak wavelength; a partially reflective layer; a reflective layer; and a colour conversion layer, wherein the light emitting layer is positioned at least partially between the partially reflective layer and the reflective layer and the colour conversion layer is positioned at least partially between the light emitting layer and the partially reflective layer, wherein the partially reflective layer is configured to reflect light within a predetermined range of wavelengths and transmit light outside the predetermined range of wavelengths and wherein the primary peak wavelength is within the predetermined range of wavelengths.

A display device includes first, second, and third pixels adjacent to each other. Each of the first, second, and third pixels includes: light emitting elements; connection electrodes electrically connected to ends of the light emitting elements; and sub-electrodes on a same layer as the connection electrodes and electrically connected to the connection electrodes, and one of the sub-electrodes of the first pixel is electrically connected to one of the sub-electrodes of the second pixel.

A light source includes an array of light emitters, with at least some light emitters having a central patterned surface and an unpatterned border; a light blocking metal layer positioned between each of the array of light emitters; and down-converter material positioned on each of the array of light emitters.

A light emitting module includes a board, light sources, first and second wirings, and an insulating member. Each of the light sources includes first and second electrodes exposed from an upper side. The first wiring includes first extending portions and first connecting portions. The second wiring includes second extending portions and second connecting portions. The insulating member covers the first wiring and the second extending portions of the second wiring while a portion of each of the second extending portions of the second wiring is exposed from the insulating member through a corresponding one of the openings. The second connecting portions of the second wiring are arranged on or above a part of the insulating member positioned on or above the first connecting portions of the first wiring. The second connecting portions of the second wiring are respectively connected to the second extending portions at the openings.