H10H20/8582

Optoelectronic semiconductor component having an electrically insulating element

An optoelectronic semiconductor component includes an optoelectronic thin-film chip; and a thermally conductive and electrically insulating element, wherein both the thin-film chip and the element are embedded in a molded body, a top surface of the thin-film chip and a bottom surface of the element are not covered by the molded body, the top surface of the thin-film chip is approximately flush with a top surface of the molded body, the bottom surface of the element is approximately flush with a bottom surface of the molded body, the molded body includes a first embedded conductor structure and a second embedded conductor structure, and the first conductor structure and the second conductor structure extends to the bottom surface of the molded body.

Structured substrate

A structured substrate configured for epitaxial growth of a semiconductor layer thereon is provided. Structures can be formed on a side of the structured substrate opposite that of the growth surface for the semiconductor layer. The structures can include cavities and/or pillars, which can be patterned, randomly distributed, and/or the like. The structures can be configured to modify one or more properties of the substrate material such that growth of a higher quality semiconductor layer can be obtained.

A WAVELENGTH CONVERTING ELEMENT, A LIGHT EMITTING MODULE AND A LUMINAIRE

A wavelength converting element (100), a light emitting module and a luminaire are provided. The wavelength converting element comprises a luminescent element (104) and a light transmitting cooling support (112). The luminescent element comprises a luminescent material (102) and a light transmitting sealing envelope (108) for protecting the luminescent material against environmental influences. The sealing envelope has a first thermal conductivity. The cooling support has a second thermal conductivity that is at least two times the first thermal conductivity. The cooling support comprises a first surface (113) and the sealing envelope comprises a second surface (105). The first surface and the second surface face towards each other. The first surface is thermally coupled to the second surface for allowing through the second surface a conduction of heat towards the cooling support to enable a redistribution of the heat generated in the luminescent element.

LED module and method of preparing the LED module, lighting device

An LED module includes a submount having a face in a thickness direction thereof, an LED chip bonded to the face of the submount with a first bond, and a patterned wiring circuit electrically connected to the LED chip. The first bond transmits light emitted from the LED chip. The submount is a light-transmissive member having light diffusing properties, and a planar size larger than a planar size of the LED chip. The patterned wiring circuit is provided on the face of the submount so as not to overlap the LED chip. The submount is constituted by a plurality of light-transmissive layers which are stacked in the thickness direction and have different optical properties so that a light-transmissive layer of the plurality of light-transmissive layers which is farther from the LED chip is higher in reflectance in a wavelength range of the light emitted from the LED chip.

Miniature surface mount device with large pin pads

One embodiment of the surface mount LED package includes a lead frame and a plastic casing at least partially encasing the lead frame. The lead frame includes a plurality of electrically conductive chip carriers. There is an LED disposed on each one of the plurality of electrically conductive chip carriers. A profile height of the surface mount LED package is less than about 1.0 mm.

LIGHT SOURCE MODULE
20170167714 · 2017-06-15 · ·

A light source module includes a light source for emitting light, and a heat sink for absorbing heat from the light source and dissipating the heat to the outside. The heat sink includes a mounting part for attaching the light source, and a heat dissipation fin for absorbing heat generated by the light source and dissipating the heat to the outside. An electrical insulating layer is provided on at least one surface of the heat sink, and an electrically conductive layer is provided in the insulating layer. The electrically conductive layer provides a path through which electric current is applied to the light source. A lens cover is provided over the light source.

High Heat-dissipation LED Substrate and High Heat-dissipation LED Package
20170170377 · 2017-06-15 · ·

The present invention relates to a high heat-dissipation LED substrate and a high heat-dissipation LED package using the substrate. The substrate comprises an insulating plate, a upper copper-cladding layer and a lower copper-cladding layer respectively provided on the upper and lower sides of the insulating plate; both the upper copper-cladding layer and the lower copper-cladding layer comprise heat dissipation areas and circuit areas mutually isolated; the insulating plate is provided with heat-conducting copper posts connected to the upper and lower heat dissipation areas and electric copper posts connected to the upper and lower circuit areas; the cross section of the copper post is round, 8-shaped or quincuncial; the circuit area surface of the upper copper-cladding layer is treated by roughening, and the heat dissipation area surface of the lower copper-cladding layer is provided convex-concave structures.

Light emitting device having substrate including heat dissipation terminals
09680071 · 2017-06-13 · ·

A light emitting device includes a substrate having a first main surface that serves as the light extraction surface, a second main surface that is opposite the first main surface, and a mounting surface that is adjacent to at least the second main surface, and that is provided an insulating base material, a pair of connection terminals disposed on the second main surface, and a heat dissipation terminal disposed on the second main surface and between the pair of connection terminals; a light emitting element that is mounted on the first main surface of the substrate and; a sealing member that seals the light emitting element and is formed substantially in the same plane as the substrate on the mounting surface.

LED flashlight with improved heat sink
09671102 · 2017-06-06 · ·

One electrical lead from an LED package is soldered to an inner electrically conductive member positioned and electrically isolated from an outer electrically conductive member by electrically insulating material while a second electrical lead and a neutral lead from the LED are soldered to the outer electrically conductive member so that heat is transferred from an LED die within the LED package to the outer electrically conductive member and then to a thermally conductive outer casing with a thermal path that minimizes thermal resistance.

LIGHT EMITTING DEVICE
20170155022 · 2017-06-01 · ·

A light emitting device includes one or more light emitting elements, a light transmissive member, and a light reflective member. The one or more light emitting elements each includes an upper surface. The light transmissive member has an upper surface and a lower surface. The light reflective member covers surfaces of the light transmissive member and lateral surfaces of the one or more light emitting elements so as to expose the upper surface of the light transmissive member. The upper surface area of the light transmissive member is smaller than a sum of the upper surface areas of the one or more light emitting elements, and the lower surface area of the light transmissive member is larger than a sum of the upper surface areas of the one or more light emitting elements.