H10H20/036

Radiation-emitting optoelectronic device

A radiation-emitting optoelectronic device is provided. The radiation-emitting optoelectronic device includes a semiconductor chip that, when the device is in operation, emits primary radiation of a wavelength of between 600 nm and 1000 nm. A conversion element includes a conversion material comprising ions of one or more metals selected from a group comprising La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Cr, Pb and Mg. The conversion material converts the primary radiation emitted by the semiconductor chip virtually completely into secondary radiation of a wavelength of between 1000 nm and 6000 nm.

LED lighting apparatus and method for manufacturing the same

To provide an LED lighting apparatus and a method for manufacturing the same that can improve the bonding strength between an aluminum substrate and a printed wiring substrate. An LED lighting apparatus and a method for manufacturing the same, the LED lighting apparatus includes an aluminum substrate, a plurality of reflectivity-enhanced layers formed on the aluminum substrate, an LED device bonded on said plurality of reflectivity-enhanced layers, a printed wiring substrate bonded onto a region on the aluminum substrate other than a region where the plurality of reflectivity-enhanced layers are formed, a wire for connecting between the printed wiring substrate and the LED device, a frame member formed so as to surround said LED device, and a phosphor resin deposited over a region inside the frame member.

Method of forming light emitting diode with high-silica substrate

A method of making an LED device and an LED device using a high-silica, fully-sintered glass substrate is provided. The high-silica substrate is at least 99% silica and is thin, such as less than 200 m in thickness. A phosphor containing layer is deposited on to the substrate and is laser sintered on the substrate such that a portion of the sintered phosphor layer embeds in the material of the substrate.

Light emitting device having micro epitaxial structures and manufacturing method thereof
09859478 · 2018-01-02 · ·

A light emitting device includes a first substrate, a second substrate and a plurality of micro epitaxial structures. The second substrate is disposed opposite to the first substrate. The micro epitaxial structures are periodically disposed on the substrate and located between the first substrate and the second substrate. A coefficient of thermal expansion of the first substrate is CTE1, a coefficient of thermal expansion of the second substrate is CTE2, a side length of each of the micro epitaxial structures is W, W is in the range between 1 micrometer and 100 micrometers, and a pitch of any two adjacent micro epitaxial structures is P, wherein W/P=0.1 to 0.95, and CTE2/CTE1=0.8 to 1.2.

Method of manufacturing light emitting device
09859472 · 2018-01-02 · ·

A method of manufacturing a light emitting device includes: mounting at least one light emitting element on a support member with a first surface of the light emitting element facing upward; applying an adhesive to the first surface of the light emitting element by holding the support member and dipping the first surface of the light emitting element in the adhesive; and disposing a light-transmissive member on the first surface of the light emitting element via the adhesive.

Production of optoelectronic components

A method of producing optoelectronic components includes providing an auxiliary carrier, forming separate connection elements on the auxiliary carrier, forming a molded body on the auxiliary carrier with recesses, arranging optoelectronic semiconductor chips on connection elements in the recesses of the molded body, removing the auxiliary carrier, and severing the molded body to form singulated optoelectronic components.

LIGHT EMITTING STRUCTURE AND A MANUFACTURING METHOD THEREOF
20170358721 · 2017-12-14 ·

A light-emitting structure includes a semiconductor light-emitting element, a first connection point and a reflective element. The semiconductor light-emitting element includes a bottom surface, a top surface opposite to the bottom surface, and a side surface arranged between the bottom surface and the top surface. The first connection point is arranged on the bottom surface. The reflective element includes a first portion arranged right beneath the bottom surface, and a second portion not overlapping the bottom surface and uplifted from a lower elevation lower than the bottom surface to a higher elevation substantially equal to that of the top surface along a curved path.

MASKLESS PARALLEL PICK-AND-PLACE TRANSFER OF MICRO-DEVICES
20170358478 · 2017-12-14 ·

An apparatus for positioning micro-devices on a destination substrate includes a first support to hold a destination substrate, a second support to provide or hold a transfer body having a surface to receive an adhesive layer, a light source to generate a light beam, a mirror configured to adjustably position the light beam on the adhesive layer on the transfer body, and a controller. The controller is configured to cause the light source to generate the light beam and adjust the mirror to position the light beam on the adhesive layer so as to selectively expose one or more portions of the adhesive layer to create one or more neutralized portions. The transfer body and the destination substrate are moved away from each other and one or more micro-devices corresponding to the one or more neutralized portions of the adhesive layer remain on the destination substrate.

Light emitting device and method of fabricating the same

A method of fabricating a light-emitting device including the steps of forming a first resin including a phosphor on a light-emitting diode chip mounted on a package body, measuring color coordinates of light emitted by combination of the light-emitting diode chip and the phosphor, correcting the color coordinates by forming a second resin on the first resin, and curing the first resin and the second resin after correcting the color coordinates, in which the first resin is not fully cured before measuring and correcting the color coordinates.

Light emitting diode package and method of manufacture
09837583 · 2017-12-05 ·

A light emitting diode (LED) device and packaging for same is disclosed. In some aspects, the LED is manufactured using a vertical configuration including a plurality of layers. Certain layers act to promote mechanical, electrical, thermal, or optical characteristics of the device. The device avoids design problems, including manufacturing complexities, costs and heat dissipation problems found in conventional LED devices. Some embodiments include a plurality of optically permissive layers, including an optically permissive cover substrate or wafer stacked over a semiconductor LED and positioned using one or more alignment markers.