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Mesophotonics relevant to LED space:
Photonic crystals and quasicrystals.

Patent noDescriptionPriority
Date
Application
Coverage
Granted
US6640034
WO9853351
EP0981771
AU751846
Optical device of transmissive material with PC or PQC
Graded PC
PC in active material used as a filter
16-05-2020 Woldwide
CN, EU, HK,JP,KR
US, Aust
US6888994
WO01/77726
Optical device with a Quasicrystal exhibiting n-fold symmetry, where n>2.
Tiled quasicrystal unit cells.
06-04-2020 Worldwide
CN, EU, HK,JP,KR
US, Aust,
China
US6959127
WO04/003607
Optical device with a pinwheel (quasicrystal) tiling. Discloses use in LED devices. 01-07-2020 US
PCT
US
US7162132
WO04/008200
Optical waveguide structure with a high Index filled Photonic Crystal. 17-07-2020 PCT US
US6775448 Optical device with a sunflower spiral pattern (quasicrystal). 05-11-2020 US
EU
US
US7027701
WO 04/042441
Optical waveguide structure with a low Index filled Photonic Crystal. 05-11-2020 US
EU
US
US2006062540
WO2006032865
Amorphous tiling LED device Photonic quasicrystal LED device for beam shaping 22-09-2020 US
PCT
TW