MicroLED/LED electro-optical integration techniques for non-display applications

V Kumar, I Kymissis - Applied Physics Reviews, 2023 - pubs.aip.org
MicroLEDs offer an extraordinary combination of high luminance, high energy efficiency, low
cost, and long lifetime. These characteristics are highly desirable in various applications, but …

Colour ILED display on silicon

W Henry, P Hughes, J O'keeffe - US Patent 10,515,580, 2019 - Google Patents
(57) ABSTRACT A method of fabricating an image generator for use in a display, the method
comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED …

Angularly varying light emitting device with an imager

Z Coleman - US Patent 11,184,967, 2021 - Google Patents
In one embodiment, a light emitting system comprises an angularly varying light emitting
device (AVLED) comprising one or more light sources, the AVLED operable to individually …

Method of illuminating an environment using an angularly varying light emitting device and an imager

Z Coleman - US Patent 10,816,939, 2020 - Google Patents
In one embodiment, a method of illuminating an environment comprises angular cycling
angular light flux output from light sources in angular bins of an angularly varying light …

Optical device having mesas

N Shepherd - US Patent 9,450,148, 2016 - Google Patents
An optical device and method for fabricating an optical device. The optical device
comprising: a semiconductor material comprising an active layer configured to emit light …

3D display directional backlight based on diffractive elements

JT Makinen, K Ojala - US Patent 12,061,350, 2024 - Google Patents
Some embodiments of an apparatus may include: a plurality of light sources, wherein each
of the plurality of light sources is configured to emit a respective light beam; one or more …

Colour inorganic LED display for display devices with a high number of pixel

W Henry, P Hughes, J O'keeffe - US Patent 10,262,977, 2019 - Google Patents
H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid
state devices; Multistep manufacturing processes thereof all the devices being of a type …

Method and apparatus for use in the manufacture of a display element

A Pourchet, WP Henry, PJ Hughes… - US Patent 10,070,568, 2018 - Google Patents
Methods and apparatus for use in the manufacture of a display element. Some embodiments
include a method for selective pick up of a subset of a plurality of electronic devices adhered …

Light field image engine method and apparatus for generating projected 3d light fields

JT Makinen, K Ojala - 2022 - Google Patents
G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, eg
stereoscopic images by providing first and second parallax images to an observer's left and …

Sub-pixel for a display with controllable viewing angle

P Hughes, J O'keeffe, W Henry - US Patent 10,937,361, 2021 - Google Patents
(57) ABSTRACT A sub-pixel for an LED display, the sub-pixel comprising a first light emitting
device having a first emission beam angle and a second light emitting device having a …