H01L24/95

Semiconductor package and method of fabricating the same

A semiconductor package includes a first substrate including a first recess formed in a top surface of the first substrate, a first semiconductor chip disposed in the first recess and mounted on the first substrate, an interposer substrate disposed on the first semiconductor chip and including a second recess formed in a bottom surface of the interposer substrate, an adhesive layer disposed in the second recess and in contact with a top surface of the first semiconductor chip, a plurality of connection terminals spaced apart from the first recess and connecting the first substrate to the interposer substrate, and a molding layer disposed between the first substrate and the interposer substrate.

DISPLAY DEVICE USING MICRO LED, AND MANUFACTURING METHOD THEREFOR

The present disclosure provides a novel form of a display device which enables semiconductor light emitting elements having a vertical structure to be assembled onto a substrate and then wiring process to be performed stably without any change to the position of the elements during post-processing. The display device according to one embodiment of the present disclosure comprises: a substrate; a pair of assembly electrodes positioned on the substrate; a dielectric layer positioned on the assembly electrodes; a wiring electrode positioned on the dielectric layer and comprising a base electrode part and a low melting point junction; a partition wall which overlaps with a portion of the wiring electrode, is positioned on the dielectric layer, and defines an assembly groove to which a semiconductor light emitting element is assembled; and the vertical semiconductor light emitting element which is assembled in the assembly groove and is electrically connected to the low melting point junction of the wiring electrode, wherein the low melting point junction has a flow stop angle for controlling the thermal flow characteristic of the junction.

LIGHT-EMITTING DIODE AND DISPLAY DEVICE COMPRISING SAME

A light emitting element includes: a first semiconductor layer doped with a first polarity; a second semiconductor layer doped with a second polarity different from the first polarity; an active layer between the first semiconductor layer and the second semiconductor layer in a first direction; and an insulating film surrounding an outer surface of at least the active layer and extending in the first direction. A thickness of a first portion of the insulating film surrounding the active layer is in a range of 10% to 16% of a diameter of the active layer.

DISPLAY APPARATUS

A display device includes a substrate including a plurality of pixels, a plurality of protrusions on the substrate, an adhesive layer on the substrate, and a plurality of semiconductor light emitting devices on the adhesive layer. The semiconductor light emitting devices can be disposed in a pixel among the plurality of pixels, and the plurality of protrusions can be disposed around the plurality of semiconductor light emitting devices in the pixel.

MANUFACTURING METHOD OF DISPLAY DEVICE AND HOLDING SUBSTRATE
20220375895 · 2022-11-24 ·

According to an aspect, a manufacturing method of a display device includes: obtaining a first reference position on a surface of a holding substrate based on positions of a plurality of first alignment marks of the holding substrate; and aligning the holding substrate with a transfer destination substrate such that the first reference position on the holding substrate and a second reference position on a surface of the transfer destination substrate coincide. The holding substrate is sectioned into a plurality of first sections and a plurality of second sections when viewed from one direction. Each of the first sections is provided in a part of a gap between the second sections when viewed from the one direction, has a light transmission rate higher than a light transmission rate of the second sections, and forms the first alignment mark through which light passes when viewed from the one direction.

Bonding apparatus including a heater and a cooling flow path used for stacking a plurality of semiconductor chips
11508688 · 2022-11-22 · ·

The present invention has: a heater; and a bonding tool having a lower surface on which a memory chip is adsorbed; and an upper surface attached to the heater, and is provided with a bonding tool which presses the peripheral edge of the memory chip to a solder ball in a first peripheral area of the lower surface and which presses the center of the memory chip (60) to a DAF having a heat resistance temperature lower than that of the solder ball in a first center area. The amount of heat transmitted from the first center area to the center of the memory chip is smaller than that transmitted from the first peripheral area (A) to the peripheral edge of the memory chip. Thus, the bonding apparatus in which the center of a bonding member can be heated to a temperature lower than that at the peripheral edge can be provided.

Light-emitting device

A light-emitting device includes: a light-emitting element including a first surface provided as a light extraction surface, a second surface opposite to the first surface, a plurality of third surfaces between the first surface and the second surface, and a positive electrode and a negative electrode at the second surface; a light-transmissive member disposed at the first surface; and a bonding member disposed between the light-emitting element and the light-transmissive member and covering from the first surface to the plurality of third surfaces of the light-emitting element to bond the light-emitting element and the light-transmissive member. The bonding member is made of a resin that contains nanoparticles. The nanoparticles have a particle diameter of 1 nm or more and 30 nm or less and a content of 10 mass % or more and 20 mass % or less.

Method of repairing light emitting device and display panel having repaired light emitting device

A display panel including a circuit board having first pads, a plurality of light emitting devices disposed on the circuit board and having second pads, at least one of the light emitting devices including a repaired light emitting device, and a metal bonding layer bonding the first pads and the second pads, in which the metal bonding layer of the repaired light emitting device has at least one of a thickness and a composition different from that of the metal bonding layer of the remaining light emitting devices.

DISPLAY DEVICE USING MICRO LED, AND MANUFACTURING METHOD THEREFOR
20220367771 · 2022-11-17 · ·

Disclosed in the present specification is a micro LED display device, and a manufacturing method therefor, the method forming, in advance, an anisotropic conductive adhesive paste layer only on a conductive electrode part of a semiconductor light emitting element and on a peripheral part thereof, and then transferring the anisotropic conductive adhesive paste layer to a wiring substrate, thereby simultaneously performing a transfer step and a stable wiring step.

DISPLAY DEVICE
20230055222 · 2023-02-23 · ·

A display device includes first and second internal banks extending in a first direction on a substrate and spaced apart from each other in a second direction different from the first direction; a first electrode including a first main electrode extending in the first direction on a side of the first internal bank and a first sub-electrode extending in the first direction on another side of the first internal bank and at least partially spaced apart from and facing the first main electrode; a second electrode extending in the first direction on a side of the second internal bank and spaced apart from and facing the first main electrode; and a light emitting element disposed between the first internal bank and the second internal bank, and the light emitting element has an end disposed on the first main electrode and another end on the second electrode.