LED display module, manufacturing method for LED display module and display device including LED display module
US11495170B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2020 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Sep 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display panel including an LED device and a method including: forming a plurality of light emitting diodes (LEDs); and forming a plurality of partition walls that divide light-emitting regions by each of the plurality of LEDs, wherein the forming the plurality of LEDs includes: etching a growth substrate to form a plurality of LEDs and forming a plurality of protrusions and a plurality of depressions on the growth substrate; and forming a reflector layer on a surface of the plurality of protrusions and a surface of the plurality of depressions, and wherein the forming the plurality of partition walls includes removing a part of the growth substrate so that the plurality of partition walls are formed based on the plurality of protrusions, and a space between the plurality of partition walls is formed based on the plurality of depressions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.