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:
Jan. 25, 2022
Filed:
Feb. 19, 2020
Lumileds Llc, San Jose, CA (US);
Daniel Bernardo Roitman, San Jose, CA (US);
Sujan-Ehsan Wadud, Santa Clara, CA (US);
Michael Laughner, San Jose, CA (US);
William David Collins, III, San Jose, CA (US);
Darren Dunphy, San Jose, CA (US);
Prashant Kumar Singh, San Jose, CA (US);
LUMILEDS LLC, San Jose, CA (US);
Abstract
Devices and techniques are disclosed herein which include a first LED device layer, a second LED device layer, and an adhesive bondline disposed between the first LED device layer and the second LED device layer. The adhesive bondline includes a bondline thickness, a plurality of spacers disposed within the adhesive bondline, and a silicone matrix. The plurality of spacers may have a diameter or a shortest axis between 0.5 and 10 micrometers and the coefficient of variation is 10% or less. The plurality of spacers may be include SiO, alumina, soda lime glass, may be inorganic, or polymeric.