H01L33/647

Resin molding, surface mounted light emitting apparatus and methods for manufacturing the same

The present invention provides a surface mounted light emitting apparatus which has long service life and favorable property for mass production, and a molding used in the surface mounted light emitting apparatus. The surface mounted light emitting apparatus comprises the light emitting device 10 based on GaN which emits blue light, the first resin molding 40 which integrally molds the first lead 20 whereon the light emitting device 10 is mounted and the second lead 30 which is electrically connected to the light emitting device 10, and the second resin molding 50 which contains YAG fluorescent material and covers the light emitting device 10. The first resin molding 40 has the recess 40c comprising the bottom surface 40a and the side surface 40b formed therein, and the second resin molding 50 is placed in the recess 40c. The first resin molding 40 is formed from a thermosetting resin such as epoxy resin by the transfer molding process, and the second resin molding 50 is formed from a thermosetting resin such as silicone resin.

SUBSTRATE STRUCTURE, LIGHT-EMITTING DEVICE, AND MANUFACTURING METHOD OF SUBSTRATE STRUCTURE
20220328461 · 2022-10-13 · ·

A light-emitting device of the present invention includes a plurality of substrates, an insulating portion, and an insulating upper surface coating film. The plurality of metal substrates are placed side by side to be separated from one another. The insulating portion is made of ceramic and fills the clearance. The insulating upper surface coating film is formed so as to integrally cover respective one substrate surfaces of the plurality of substrates and has an opening portion that spreads over the one substrate surface of one substrate among the plurality of substrates and the one substrate surface of another substrate adjacent to the one substrate across the clearance. The opening portion exposes an element placing region for placing an element.

UV LED array with power interconnect and heat sink
11664484 · 2023-05-30 · ·

A heat sink and power interconnect for a UV LED array are provided. A first circuit is disposed on a surface of a first substrate. A UV LED array is positioned thereon. A second substrate and second circuit are spaced apart from the first substrate and a first heat sink is positioned adjacent thereto. An aperture passes through each of the first substrate, the second substrate, and the heat sink. An electrical insulator lines the aperture with an electrically and thermally conductive liner positioned adjacent to the electrical insulator. A fastener is positioned in the aperture and electrically interconnects the first circuit and the second circuit through the electrically and thermally conductive liner and electrically communicates with an external power supply. The fastener carries one or more of a power or an electrical signal, and dissipates heat through the electrically and thermally conductive liner to the heat sink.

VERTICAL SOLID-STATE TRANSDUCERS AND HIGH VOLTAGE SOLID-STATE TRANSDUCERS HAVING BURIED CONTACTS AND ASSOCIATED SYSTEMS AND METHODS
20230163266 · 2023-05-25 ·

Solid-state transducers (“SSTs”) and vertical high voltage SSTs having buried contacts are disclosed herein. An SST die in accordance with a particular embodiment can include a transducer structure having a first semiconductor material at a first side of the transducer structure, and a second semiconductor material at a second side of the transducer structure. The SST can further include a plurality of first contacts at the first side and electrically coupled to the first semiconductor material, and a plurality of second contacts extending from the first side to the second semiconductor material and electrically coupled to the second semiconductor material. An interconnect can be formed between at least one first contact and one second contact. The interconnects can be covered with a plurality of package materials.

FAN-OUT LIGHT-EMITTING DIODE (LED) DEVICE SUBSTRATE WITH EMBEDDED BACKPLANE, LIGHTING SYSTEM AND METHOD OF MANUFACTURE
20230163155 · 2023-05-25 · ·

Panels of LED arrays and LED lighting systems are described. A panel includes a substrate having a top and a bottom surface. Multiple backplanes are embedded in the substrate, each having a top and a bottom surface. Multiple first electrically conductive structures extend at least from the top surface of each of the backplanes to the top surface of the substrate. Each of multiple LED arrays is electrically coupled to at least some of the first conductive structures. Multiple second conductive structures extend from each of the backplanes to at least the bottom surface of the substrate. At least some of the second electrically conductive structures are coupled to at least some of the first electrically conductive structures via the backplane. A thermal conductive structure is in contact with the bottom surface of each of the backplanes and extends to at least the bottom surface of the substrate.

Fan-out light-emitting diode (LED) device substrate with embedded backplane, lighting system and method of manufacture
11626448 · 2023-04-11 · ·

Methods of manufacture are described. A method includes forming a first cavity in a substrate and placing a backplane in the first cavity. At least one layer of dielectric material is formed over the substrate and the backplane. A second cavity is formed in the at least one layer of the dielectric material to expose at least a portion of a surface of the backplane. A heat conductive material is placed in the second cavity and in contact with the at least the portion of the surface of the backplane.

OPTOELECTRONIC SEMICONDUCTOR COMPONENT AND METHOD FOR PRODUCING AN OPTOELECTRONIC SEMICONDUCTOR COMPONENT
20220320404 · 2022-10-06 ·

In an embodiment an optoelectronic semiconductor component includes a heat dissipating structure having a plurality of protrusions and a radiation emitting semiconductor chip, wherein the semiconductor chip is arranged at the heat dissipating structure, wherein at least some of the protrusions are arranged at a radiation exit side of the component, and wherein a height of at least some of the protrusions corresponds at least to a height of the semiconductor chip.

Light-emitting device and method of manufacturing the same

A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.

Light emitting device, light emitting module, and method of manufacturing light emitting module
11655947 · 2023-05-23 · ·

A light emitting device includes: a plurality of element structural bodies, each including: a substrate, a light emitting element mounted on or above the substrate, and a light-transmissive member disposed on or above the light emitting element, wherein at least three of the plurality of element structural bodies are disposed along a first direction; a first covering member that covers lateral surfaces of the substrate, the light emitting element, and the light-transmissive member of each of the plurality of element structural bodies; and a support member that covers a lateral surface of the first covering member, wherein at least a portion of the support member is disposed lateral to the plurality of element structural bodies and extends along the first direction. A rigidity of the support member is greater than a rigidity of the first covering member.

LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME

A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.