Patent classifications
H01S5/02208
Hermetic sealed beam projector module and method for manufacturing the same
An embodiment provides a beam projector module including: a light source configured to output light; a substrate configured to support the light source; an optical device configured to reduce the light in terms of intensity output to a predetermined space; a frame configured to separate the optical device from the light source by a predetermined distance; an optical substrate configured to attach the optical device thereto and to define a sealed space with the substrate and the frame, the sealed space having internal pressure lower than pressure outside the sealed space; a sensor configured to measure a state of the sealed space; and a processor configured to change an operation mode of the light source depending on a measured value of the sensor.
Optical module having multiple laser diode devices and a support member
A method and device for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, is provided. In various embodiments, the laser device includes plural laser emitters emitting green or blue laser light, integrated a substrate.
LIGHT EMITTING DEVICE
A light emitting device includes: a plurality of laser elements, each including a light emitting surface; one or more reflectors; a base including: a bottom portion on which the plurality of laser elements and the one or more reflectors are disposed, and a frame portion surrounding the plurality of laser elements in a top view; a cover attached to a top surface of the frame portion; and a lens array that is bonded to the top surface of the cover and includes: a plate-shaped portion, and a plurality of lens-shaped portions protruding upward from the plate-shaped portion, with the plurality of lens-shaped portions integrated into a one-piece body.
Method of manufacturing light emitting module, light emitting module, and projector
A method of manufacturing a light emitting module comprising at least one light emitting device in which a plurality of light emitting elements are mounted, includes: providing a plurality of light emitting devices including one or more first light emitting devices and one or more second light emitting devices, wherein a number of the light emitting elements mounted in the first light emitting device is different from a number of the light emitting elements mounted in the second light emitting device; providing a first mounting substrate having a mounting surface provided with a plurality of connection patterns having the same pattern, each of the connection patterns corresponding to a respective one of the light emitting devices; and mounting at least some of the plurality of light emitting devices, selected from the one or more first light emitting devices and one or more second light emitting devices, on the connection patterns.
METHOD FOR MANUFACTURING A COMPONENT ARRANGEMENT FOR A PACKAGE, METHOD FOR MANUFACTURING A PACKAGE HAVING A COMPONENT ARRANGEMENT, A COMPONENT ARRANGEMENT AND A PACKAGE
Provided is a method for manufacturing a component arrangement for a package, including providing a wafer made of a semiconductor material having a polished wafer surface; forming an opening in the wafer by anisotropic etching, wherein an anisotropically etched surface is manufactured near the opening; separating a component from the anisotropically etched wafer, wherein the separated component is manufactured having the following surfaces: an optical surface formed near a surface portion of the polished wafer surface and a mounting surface formed in the region of the anisotropically etched surface; and mounting the separated component on a substrate surface of a carrier substrate using the mounting surface in such a manner that the anisotropically etched surface is bonded to the substrate surface, wherein the optical surface is arranged as an inclined exposed surface. Furthermore, a component arrangement and a package are provided having a component arrangement.
LASER LIGHT SOURCE
A laser light source includes: a submount having an upper surface; a semiconductor laser element located on the upper surface of the submount and having an end surface from which a laser beam is emitted; a lens facing the end surface of the semiconductor laser element; and a support member located on the upper surface of the submount and supporting the lens. The lens includes a collimating portion configured to collimate the laser beam emitted from the semiconductor laser element. The support member includes: a first portion and a second portion arranged at a lateral side of the submount; and a third portion that connects the first portion and the second portion and overlaps a portion of the semiconductor laser element in a plan view. The lens is supported by the first portion and the second portion via a bonding member.
Light source device and method of manufacturing the same
A light source device includes: a laser diode; a substrate directly or indirectly supporting the laser diode; and a cap secured to the substrate and covering the laser diode. The cap includes a first glass portion configured to transmit laser light that is emitted from the laser diode, and a second glass portion. At least one of the first glass portion and the second glass portion includes an alkaline glass region. The first glass portion and the second glass portion are bonded together via an electrically conductive layer that is in contact with the alkaline glass region.
Light-emitting device, optical device, and measurement device
A light-emitting device includes a laser unit; and a first capacitive element and a second capacitive element that supply a driving electric current to the laser unit; wherein the first capacitive element has smaller equivalent series inductance than the second capacitive element, and the second capacitive element has a larger capacity and a smaller mount area than the first capacitive element.
OPTICAL ASSEMBLY WITH A VERTICAL CAVITY SURFACE EMITTING LASER DEVICE DISPOSED ON AN INTEGRATED CIRCUIT DRIVER CHIP
An optical assembly includes a substrate; an optical subassembly that is disposed on a region of a surface of the substrate; a housing that is disposed on another region of the surface of the substrate; a first optical element that is disposed on a first support component of the housing; and a second optical element that is disposed on a second support component of the housing. The optical subassembly includes an integrated circuit (IC) driver chip; a redistribution layer (RDL) structure that is disposed on a surface of the IC driver chip, wherein the RDL structure includes a cavity; and a vertical cavity surface emitting laser (VCSEL) device disposed on a region of the surface of the RDL structure that is within the cavity of the RDL structure.
INTEGRATED CIRCUIT OPTICAL PACKAGE
A cap is mounted to a support substrate, the cap including a cap body and an optical shutter. The cap and support substrate define a housing. An electronic chip is disposed in the housing above the support substrate. A face of the electronic chip supports an optical device that is optically coupled with the optical shutter. The cap body is thermally conductive. Within the housing, a thermally conductive linking structure is coupled in a thermally conductive manner between the cap body and the electronic chip. The thermally conductive linking structure surrounds the electronic chip. A thermal interface material fills a portion of the housing between the thermally conductive linking structure and the cap body.