Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Marcel Van Gerwen
Antonio Lopez-Julia
Jens Meyer
Joerg Feldmann
Ronja Missong
Hans-Helmut Bechtel
Date of Patent
September 5, 2023
Patent Application Number
17836131
Date Filed
June 9, 2022
Patent Citations
...
Patent Primary Examiner
An optical coupling structures are disposed on light output surfaces of semiconductor LEDs of a miniLED or microLED array to facilitate coupling of light emitted by the semiconductor LEDs through the light output surfaces. The optical coupling structures comprise light scattering particles and/or air voids embedded in or coated with a thin layer of a material that has an index of refraction close to or matching the index of refraction of the material forming the light output surface of the semiconductor LEDs.
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