H10H20/8582

Light emitting device

According to one embodiment of the present invention, the light emitting device includes an LED element, a side wall which surrounds the LED element, a phosphor layer which is fixed to the side wall with an adhesive layer therebetween, and is positioned above the LED element, and a metal pad as a heat dissipating member. The side wall includes an insulating base which surrounds the LED element and a metal layer which is formed on a side surface at the LED element side of the base, and is in contact with the metal pad and the adhesive layer. The adhesive layer includes a resin layer that includes a resin containing particles which have higher thermal conductivity than the resin or a layer that includes solder.

Semiconductor light emitting device and method for manufacturing the same

A semiconductor light emitting device includes a semiconductor light source, a resin package surrounding the semiconductor light source, and a lead fixed to the resin package. The lead is provided with a die bonding pad for bonding the semiconductor light source, and with an exposed surface opposite to the die bonding pad The exposed surface is surrounded by the resin package in the in-plane direction of the exposed surface.

LED lighting apparatus and heat dissipation module
09627599 · 2017-04-18 · ·

Provided is an LED light which may include a base plate, an LED module disposed under the base plate, a plurality of heat pipes provided over the base plate, and a plurality of heat dissipation fins provided over the base plate. The plurality of heat pipes may include a first portion thermally coupled to the base plate and a second portion that extends from the first portion. The plurality of heat dissipation fins may be spaced apart from each other and thermally coupled to the second portion of the heat pipes to dissipate heat from the LED module. The LED light may include an upper bracket provided over the plurality of heat dissipation fins and fastened to a hanger, and a plurality of studs that connect the base plate to the upper bracket.

WAFER-LEVEL LIGHT EMITTING DIODE PACKAGE AND METHOD OF FABRICATING THE SAME
20170104139 · 2017-04-13 ·

Exemplary embodiments of the present invention provide a wafer-level light emitting diode (LED) package and a method of fabricating the same. The LED package includes a semiconductor stack including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer; a plurality of contact holes arranged in the second conductive type semiconductor layer and the active layer, the contact holes exposing the first conductive type semiconductor layer; a first bump arranged on a first side of the semiconductor stack, the first bump being electrically connected to the first conductive type semiconductor layer via the plurality of contact holes; a second bump arranged on the first side of the semiconductor stack, the second bump being electrically connected to the second conductive type semiconductor layer; and a protective insulation layer covering a sidewall of the semiconductor stack.

Light Emitting Diode Mounting Structure

A mounting structure for mounting a set of optoelectronic devices is provided. A mounting structure for a set of optoelectronic devices can include: a body formed of an insulating material; and a heatsink element embedded within the body. A heatsink can be located adjacent to the mounting structure. The set of optoelectronic devices can be mounted on a side of the mounting structure opposite of the heatsink.

Surface mountable semiconductor device
09614128 · 2017-04-04 · ·

The present invention relates to a surface mountable semiconductor device comprising at least one semiconductor element mounted on or integrated in a device substrate (1) having a top surface and a bottom surface. One or several electrical pads (2) of a first height and at least one thermal pad (3) of a second height are arranged at the bottom surface of the device substrate (1). In the proposed surface mountable semiconductor device the height of the thermal pad (3) is larger than the height of the electrical pads (2). This allows the mounting of such a device to an IMS with a locally removed dielectric layer in an easy and reliable manner in order to directly connect the thermal pad with the metallic substrate of the IMS.

Composite heat-dissipation substrate and manufacturing method of the same

The present disclosure provides a composite heat-dissipation substrate and a method of manufacturing the same. The composite heat-dissipation substrate includes a first ceramic layer having insulating properties, a second porous ceramic layer and a metal layer, wherein the first ceramic layer and the second ceramic layer are continuously connected to each other so as not to form an interface therebetween, and the metal layer is infiltrated into plural pores of the second ceramic layer to be coupled to the ceramic layers, whereby interfacial coupling force between the ceramic layers and the metal layer is very high, thereby providing significantly improved heat dissipation characteristics.

Optoelectronic semiconductor component

In at least one embodiment, the optoelectronic semiconductor component contains at least one chip support having electrical contact devices and also at least one optoelectronic semiconductor chip that is set up to produce radiation and that is mechanically and electrically mounted on the chip support. A component support is attached to the chip support. The semiconductor chip is situated in a recess in the component support. The component support is electrically insulated from the chip support and from the semiconductor chip. The component support is formed from a metal or from a metal alloy. On a top that is remote from the chip support, the component support is provided with a reflective coating.

Thermally Conductive Circuit Board Substrate and Method of Manufacture
20170084810 · 2017-03-23 ·

A thermally conductive efficient substrate for use in an electrical circuit board assembly (ECBA) preferably having at least one LED component. The substrate is constructed of a thermally conductive efficient material such that the substrate functions both as a substrate and as a heat sink for the PCB. The substrate allows a PCB to function without a dedicated auxiliary heat sink. The substrate preferably includes a plurality of raised pads formed such that open channels are formed therebetween, and such that the upper surfaces of the pads are preferably substantially coplanar. Such intra-pad channels facilitate heat transfer and cooling of the substrate and the ECBA.

LED support assembly and LED module
09601676 · 2017-03-21 · ·

An LED support assembly and an LED module are provided. The LED support assembly includes: a metal heat sink, a first ceramic substrate and a second ceramic substrate, the metal heat sink defines an upper surface; the first ceramic substrate is adapted to support a LED chip and disposed on the upper surface of the metal heat sink; the second ceramic substrate is adapted to support electrodes of the LED chip and surrounds the first ceramic substrate.