Patent classifications
H01L33/48
LIGHT EMITTING DEVICE, MANUFACTURING METHOD FOR THE LIGHT EMITTING DEVICE, AND LIGHTING MODULE HAVING THE LIGHT EMITTING DEVICE
A light emitting device includes: a first support member having an opening; a second support member disposed in the opening of the first support member; an adhesive member disposed between the first and second support members; a first lead electrode disposed on the second support member; a second lead electrode disposed on at least one of the first and second support members; a light emitting chip disposed on the first lead electrode, the light emitting chip being electrically connected to the second lead electrode; and a conductive layer disposed under the second support member, wherein the first support member includes a resin material, the second support member includes a ceramic material, and the first lead electrode is disposed between the light emitting chip and the second support member.
LENS AND LIGHT EMITTING DIODE PACKAGE INCLUDING SAME
One embodiment relates to a lens comprising: a lower end portion having an incident surface to which light is incident; and an upper end portion having an emitting surface allowing the light having passed through the incident surface to pass therethrough, wherein the ratio of an incidence angle and an emission angle on a first plane and/or the ratio of an incidence angle and an emission angle on a second plane is smaller than the ratio of an incidence angle and an emission angle on a third plane, the incidence angle is an angle of the light incident to the incident surface with respect to a center axis, the emission angle is an angle of the light emitted from the emitting surface with respect to the center axis, each of the first to third planes is a plane passing the center axis and is parallel to a first direction, the first plane is perpendicular to the second plane, the third plane is positioned between the first plane and the second plane, the center axis passes the center of the lens and is parallel to the first direction, and the first direction is a direction facing the lower end portion from the upper end portion.
OPTOELECTRONIC SEMICONDUCTOR COMPONENT, OPTOELECTRONIC ARRANGEMENT AND METHOD OF PRODUCING AN OPTOELECTRONIC SEMICONDUCTOR COMPONENT
An optoelectronic semiconductor component includes an optoelectronic semiconductor chip; and an electrical connection point that contacts the optoelectronic semiconductor chip, wherein the electrical connection point covers the optoelectronic semiconductor chip on the bottom thereof at least in some areas, the electrical connection point includes a contact layer facing toward the optoelectronic semiconductor chip, the electrical connection point includes at least one barrier layer arranged on a side of the contact layer facing away from the optoelectronic semiconductor chip, the electrical connection point includes a protective layer arranged on the side of the at least one barrier layer facing away from the contact layer, the layers of the electrical connection point are arranged one on top of another along a stack direction, and the stack direction runs perpendicular to a main extension plane of the optoelectronic semiconductor chip.
LIGHT SOURCE UNIT
A light source unit disclosed in an embodiment includes a first cover which has an open region; a second cover which is coupled to the first cover; a light source module which is disposed between the first cover and the second cover, and has a light-emitting device disposed on the open region and a circuit board on which the light-emitting device is disposed; a fixing frame which is disposed between the second cover and the circuit board; and a resin member which is filled in an region between the first cover and the second cover and supports the light source module and the fixing frame. The light source module includes a moisture-proof film which covers an upper surface and side surfaces of the light-emitting device and extends to an upper surface of the circuit board.
LIGHT SOURCE UNIT
A light source unit disclosed in an embodiment includes a first cover which has an open region; a second cover which is coupled to the first cover; a light source module which is disposed between the first cover and the second cover, and has a light-emitting device disposed on the open region and a circuit board on which the light-emitting device is disposed; a fixing frame which is disposed between the second cover and the circuit board; and a resin member which is filled in an region between the first cover and the second cover and supports the light source module and the fixing frame. The light source module includes a moisture-proof film which covers an upper surface and side surfaces of the light-emitting device and extends to an upper surface of the circuit board.
LIGHT EMITTING DEVICE
A light emitting device includes a light emitting element, a frame, a first light-transmissive member, and a second light-transmissive member. The light emitting element includes an element upper surface from which a light is configured to be emitted, an element bottom surface opposite to the element upper surface, and an element lateral surface connecting the element upper surface and the element bottom surface. The frame is provided to surround the light emitting element to be opposite to the element lateral surface. The first light-transmissive member is provided on the element upper surface and the element lateral surface to contact the frame. The first light-transmissive member covers the element upper surface and the element lateral surface. The second light-transmissive member is provided on the first light-transmissive member.
CIRCUIT BOARD AND IMAGE FORMING APPARATUS
The circuit board has a surface mount LED with a lens on the circuit board. A conductive portion and remaining space in the periphery of the LED are covered with solid copper foil so that reflectance of light and a heat dissipation effect are enhanced. In addition, layer structures between the circuit board and an assembled component are the same between contact portions with the assembled component so that tilt in mounting the board is suppressed. As a result, the circuit board having mounted thereon the surface mount LED having high directivity can be accurately mounted on the assembled component, tilt of an optical axis can be suppressed, the reflectance of light from the LED can be increased, and the heat dissipation effect can be enhanced.
Light emitting device
A light emitting device including a blue light emitting portion configured to emit blue light, a green light emitting portion configured to emit green light, a red light emitting portion configured to emit red light, in which the blue light emitting portion include a first near-UV light emitting diode chip and a first wavelength conversion portion for wavelength conversion of near-UV light emitted from the first near-UV light emitting diode chip, blue light emitted from the blue light emitting portion includes a first peak wavelength in a wavelength band corresponding to near-UV light and a second peak wavelength in a wavelength band corresponding to blue light, and an intensity of the first peak wavelength is in a range of 0% to 20% of intensity of the second peak wavelength.
Back-to-back solid state lighting devices and associated methods
Solid state lights (SSLs) including a back-to-back solid state emitters (SSEs) and associated methods are disclosed herein. In various embodiments, an SSL can include a carrier substrate having a first surface and a second surface different from the first surface. First and second through substrate interconnects (TSIs) can extend from the first surface of the carrier substrate to the second surface. The SSL can further include a first and a second SSE, each having a front side and a back side opposite the front side. The back side of the first SSE faces the first surface of the carrier substrate and the first SSE is electrically coupled to the first and second TSIs. The back side of the second SSE faces the second surface of the carrier substrate and the second SSE is electrically coupled to the first and second TSIs.
LIGHT-EMITTING DEVICE
A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.