H01L25/075

DISPLAY DEVICE USING LIGHT-EMITTING DIODE
20230048631 · 2023-02-16 ·

A display device includes LEDs, a circuit board, an insulating layer, conductive posts, a control conductive plate, and a common conductive strip. The circuit board includes first pads and a second pad surrounding the first pads. The LEDs are on an insulating layer covering the first pads, each including a first and second electrode pad. The conductive posts are on and connected to a first portion of the first pads, and penetrate the insulation layer. The control conductive plate is electrically connected to one of the first electrode pads and the conductive posts. The common conductive strip is on the insulation layer and electrically connected to the second pad and a second electrode pad. Each first electrode pad is electrically connected to the first pads. A second portion of the first pads is completely covered by the insulation layer and overlapped with the common conductive strip and the insulation layer.

APPARATUS AND METHOD OF MANUFACTURING DISPLAY USING LIGHT EMITTING ELEMENT

Discussed is an apparatus and a method of manufacturing a display using a micro light emitting diode (LED). A method of manufacturing a display device using a light emitting element includes providing a substrate having an individual pixel position defined by a pair of assembly electrodes; moving the light emitting element including a magnetic body on to the substrate using a magnetic chuck having an electromagnet; assembling the light emitting element at the individual pixel position using the magnetic chuck; and recovering a remaining light emitting element which is not assembled at the individual pixel position using the magnetic chuck.

DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF
20230047241 · 2023-02-16 · ·

A display device, according to an embodiment of the present invention, comprises a semiconductor light-emitting element, the semiconductor light-emitting element comprising: a first conductive electrode; an undoped semiconductor layer formed on the first conductive electrode; a first conductive semiconductor layer formed on the undoped semiconductor layer; an active layer formed on the first conductive semiconductor layer; a second conductive semiconductor layer formed on the active layer; and a second conductive electrode formed on the second conductive semiconductor layer; wherein the first conductive electrode is formed to cover a part of a side surface of the first conductive semiconductor layer.

DISPLAY APPARATUS USING SEMICONDUCTOR LIGHT-EMITTING DEVICE

The present invention relates to a display apparatus, specifically to a display apparatus using semiconductor light-emitting elements of a few micrometers to tens of micrometers in size. The present invention provides a display apparatus comprising: a base part; a partition part having a plurality of grooves; a plurality of semiconductor light-emitting elements arranged on the base part and mounted in the plurality of grooves; first and second wiring electrodes arranged on one side and the other side of each of the semiconductor light-emitting elements, respectively; an assembly electrode arranged on the base part and arranged on the one side of each of the semiconductor light-emitting elements; and a dielectric layer arranged on the base part and arranged between the assembly electrode and the first wiring electrode, wherein each of the plurality of grooves includes at least one recess portion formed in the horizontal direction with respect to the base part.

DISPLAY PANEL, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY APPARATUS

A display panel includes a display module and a lens layer. The display module has a display region and includes a plurality of pixel units disposed in the display region and distributed in an array, each pixel unit is configured to emit light. The lens layer is disposed on a display side of the display module. Light emitted by the plurality pixel units passes through the lens layer to form a display image, and the display image includes a plurality of pixels distributed in an array. The number of pixel units included in a row of pixel units in a first direction is less than the number of pixels included in a row of pixels in the first direction. A first pixel distance is smaller than a first pixel unit distance.

Optical Component, Optoelectronic Semiconductor Component and Method for Producing an Optical Component

In an embodiment an optical component includes an optical body at least partially translucent to visible light and a coating directly arranged at the optical body, wherein the coating has a reflection coefficient of at least 0.8 for at least one wavelength range in a range from 380 nm to 1500 nm and an average thickness between 10 μm and 200 μm inclusive, wherein the coating has a polysiloxane as base material, and wherein the polysiloxane comprises —SiO.sub.3/2 units.

DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

A display device includes a pixel array substrate and a circuit board. The pixel array substrate has a first surface, a second surface opposite to the first surface, and a first side surface connecting the first surface and the second surface. Multiple bonding pads are located on the first surface. The circuit board is bent from above the first surface of the pixel array substrate to below the second surface. The circuit board is electrically connected to the bonding pads and includes a thermoplastic substrate. The thermoplastic substrate includes a third surface facing the pixel array substrate and a fourth surface opposite to the third surface. The thermoplastic substrate includes a first bend formed by thermoplastics.

LIGHT EMITTING DIODE PACKAGE AND BACKLIGHT UNIT INCLUDING THE SAME
20230046652 · 2023-02-16 ·

A light emitting diode package includes: a housing including a cavity region therein; a light emitting diode chip mounted in the cavity region of the housing; and a resin part formed in the cavity region to cover a light emitting surface of the light emitting diode chip. The housing includes a first surface and a second surface perpendicular to a width direction of the housing and spaced apart from each other, and a third surface and a fourth surface perpendicular a longitudinal direction of the housing and spaced apart from each other, in which the first surface and the second surface surround the resin part while the third surface and the fourth surface expose side surfaces of the resin part.

MICRO COMPONENT STRUCTURE AND MANUFACTURING METHOD THEREOF, AND TRANSFER METHOD FOR LIGHT-EMITTING DIODE CHIP
20230051769 · 2023-02-16 ·

The disclosure relates to a micro component structure and a manufacturing method thereof, and a transfer method for a light-emitting diode (LED) chip. The micro component structure includes a substrate (300), multiple stacked adhesive layer structures spaced on a first surface (300a) of the substrate (300), and multiple LED chips (20) correspondingly disposed on the multiple stacked adhesive layer structures. Each of the multiple LED chips (20) has two extraction electrodes (21) at a surface facing toward the multiple stacked adhesive layer structures. Each of the multiple stacked adhesive layer structures includes a photolysis adhesive layer (31′) and a pyrolysis adhesive layer (32′) that are stacked. The photolysis adhesive layer (31′) is in contact with the first surface (300a). The pyrolysis adhesive layer (32′) is located between the two extraction electrodes (21) and has a thickness greater than a height of each of the two extraction electrodes (21).

BOTTOM-EMISSION LIGHT-EMITTING DIODE DISPLAY

A bottom-emission light-emitting diode (LED) display includes a transparent substrate, a plurality of LEDs bonded on the substrate, a packaging layer formed on the substrate to cover the LEDs, and a reflecting layer formed on the packaging layer to reflect light emitted by the plurality of LEDs. The reflecting layer has a non-smooth shape or the packaging layer has different refractivities.