A base member for a light emitting device includes a bottom part and a frame part. The frame part has an upper surface, a lower surface, and a step portion. The frame part has a bonding surface bonded to the bottom part, and defining a planar surface of the step portion at a lower surface side, first and second inner surfaces, a first planar surface defining a planar surface of the step portion at an upper surface side, and first and second electrode layers electrically connected to each other, the second electrode layer being disposed on the first planar surface while the first electrode layer being not disposed on the first planar surface. The step portion extends along an entire periphery of the frame part in a bottom view, and the step portion does not extend along the entire periphery of the frame part in a top view.

A method of manufacturing an optoelectronic device, including the steps of: forming, on a first surface of a first including assemblies of electronic components, a stack of insulating layers and of conductive tracks; forming, on another wafer, light-emitting diodes each comprising ends; forming a metal layer on at least a portion of the surface of the first wafer and another metal layer on at least a portion of the surface of the second wafer, the other metal layer being electrically coupled to the end of each light-emitting diode; placing into contact the metal layers; forming an insulated conductive via connecting another surface of the wafer to a conductive track; and forming insulated conductive trenches surrounding diodes.

A method of manufacturing an optoelectronic device, including the steps of: forming, on a first surface of a first including assemblies of electronic components, a stack of insulating layers and of conductive tracks; forming, on another wafer, light-emitting diodes each comprising ends; forming a metal layer on at least a portion of the surface of the first wafer and another metal layer on at least a portion of the surface of the second wafer, the other metal layer being electrically coupled to the end of each light-emitting diode; placing into contact the metal layers; forming an insulated conductive via connecting another surface of the wafer to a conductive track; and forming insulated conductive trenches surrounding diodes.

A wiring substrate includes: an insulating substrate including a base portion comprising a through hole having a first opening and a second opening, and a frame portion located on the base portion; and a heat dissipator disposed on a side of the base portion that is opposite to the frame portion so as to block the second opening, wherein an inner surface of the through hole faces a side surface of the heat dissipator with a clearance being provided between the inner surface of the through hole and the side surface of the heat dissipator.

A manufacturing method of a light-emitting device, including the steps of: preparing a substrate including a base, a first wall formed on an upper surface of the base, and a recess defined by a lateral surface of the first wall as an inside lateral surface and the upper surface of the base as a bottom surface; mounting a light-emitting element on the bottom surface of the recess; disposing a sealing member which covers the light-emitting element and the first wall; forming a groove section extending from an upper surface of the sealing member to the first wall by removing the sealing member on the first wall; disposing a second wall inside the groove section; and cutting the second wall and the substrate at a position including the second wall.

A manufacturing method of a light-emitting device, including the steps of: preparing a substrate including a base, a first wall formed on an upper surface of the base, and a recess defined by a lateral surface of the first wall as an inside lateral surface and the upper surface of the base as a bottom surface; mounting a light-emitting element on the bottom surface of the recess; disposing a sealing member which covers the light-emitting element and the first wall; forming a groove section extending from an upper surface of the sealing member to the first wall by removing the sealing member on the first wall; disposing a second wall inside the groove section; and cutting the second wall and the substrate at a position including the second wall.

This disclosure discloses a light-emitting bulb. The light-emitting bulb includes a cover, an electrical associated with the cover, a board arranged between the cover and the electrical connector, and a first light-emitting device disposed on the board. The first light-emitting device includes a carrier having a first side and a second side, a first electrode part disposed near the first side and extending to the second side, a bended part disposed near to the second side and spaced apart from the first electrode part, and a second electrode part extending from the bended part to the first side. No light-emitting diode unit is arranged on the second electrode part.

A display substrate includes a drive substrate and a welding pad provided on the drive substrate and electrically connected with the drive substrate. The display substrate further includes an insulating construction layer provided on the welding pad. The insulating construction layer is provided with a groove for exposing the welding pad. A bonding material is accommodated in the groove, and a micro light emitting diode is electrically connected with the welding pad through the bonding material.

A display substrate includes a drive substrate and a welding pad provided on the drive substrate and electrically connected with the drive substrate. The display substrate further includes an insulating construction layer provided on the welding pad. The insulating construction layer is provided with a groove for exposing the welding pad. A bonding material is accommodated in the groove, and a micro light emitting diode is electrically connected with the welding pad through the bonding material.

A light emitting device includes a substrate including a base member including a front surface, a rear surface opposite to the front surface, a bottom surface perpendicular to the front surface, and a top surface opposite to the bottom surface, a first wiring portion located on the front surface, and a second wiring portion located on the rear surface; a light emitting element electrically connected with the first wiring portion; and a first reflective member covering a lateral surface of the light emitting element and the front surface of the base member. The base member has a recessed portion opened on the rear surface and the bottom surface. The substrate includes a third wiring portion covering an inner wall of the recessed portion and electrically connected with the second wiring portion, and a via in contact with the first wiring portion, the second wiring portion and the third wiring portion.