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:
Nov. 26, 2024
Filed:
Oct. 21, 2022
Seoul Viosys Co., Ltd., Ansan-si, KR;
SEOUL VIOSYS CO., LTD., Ansan-si, KR;
Abstract
A light emitting device for a display including a first LED stack configured to generate light having a first peak wavelength, a second LED stack disposed under the first LED stack, and configured to generate light having a second peak wavelength, a third LED stack disposed under the second LED stack, and configured to generate light having a third peak wavelength; and a floating reflection layer disposed over the first LED stack, in which the first peak wavelength is longer than the second and third peak wavelengths, the first LED stack has a roughened surface to increase the luminous intensity of the light generated in the first LED stack entering the second LED stack, and the floating reflection layer has a high reflectance of 80% or more over light having the first peak wavelength.