The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Apr. 30, 2024
Lumileds Llc, San Jose, CA (US);
Hisashi Masui, Newark, CA (US);
LUMILEDS SINGAPORE PTE. LTD., Singapore, SG;
Abstract
A light-emitting diode (LED) die comprises: a plurality of pixels, each of the pixels comprising respective groups of epitaxial stacks included in a microLED comprising one or more tunnel junctions and light emitting layers of different colors, the plurality of pixels comprising: a first set of pixels configured to emit a red light; a second set of pixels configured to emit a green light; a third set of pixels configured to emit a blue light; the red light, the green light, and the blue light defining a RGB (red-green-blue) gamut; and a fourth set of pixels configured to emit a yellow light and to increase power efficiency of the device over that of a device with only RGB pixels.