Patent ID: 8575646
Filing Date: 2013-11-05
Classification: H01L

Abstract:
1. An LED device comprising: a LED chip; at least one optically transmissive material encapsulating the LED chip; a substrate surface comprises a patterned coating comprising a plurality of pins; at least one hydrophilic region on the substrate; at least one enhanced hydrophobic region on the substrate, wherein the hydrophobic region is planar with the hydrophilic region, and the at least one enhanced hydrophobic region is formed by coating with a hydrophobic or super hydrophobic material, wherein the hydrophilic region is selected from at least from of the following material or their derivates: nanopin film, polytetrafluoroethylene, Lightspan Product LS (1,2,5,10)-2233, heptadecafluorodecyltrimethoxysilane, poly(tetrafluoroethylene), poly(propylene), octadecyldimethylchlorosilane, octadecyltrichlorosilane, tris(trimethylsiloxy)silylethyldimethylchlorosilane, octyldimethylchlorosilane, dimethyldichlorosilane, butyldimethylchlorosilane, trimethylchlorosilane, poly(ethylene), poly(styrene), poly(chlorotrifluoroethylene), heptadecafluorodecyltrichlorosilane, polytetrafluoroethylene, octadecyltrichlorosilane, methyltrimethoxysilane, nonafluorohexyltrimethoxysilane, vinyltriethoxysilane, paraffin wax, ethyltrimethoxysilane, propyltrimethoxysilane, soda lime glass, borosilicate glass, poly(chlorotrifluoroethylene), poly(propylene oxide), polyethylene, trifluoropropyltrimethoxysilane 3-(2-aminoethyl)-aminopropyltrimethoxysilane, p-tolyltrimethoxysilane, cyanoethyltrimethoxysilane, aminopropyltriethoxysilane, polymethylmethacrylate, polyvinylchloride, phenyltrimethoxysilane, chloropropyltrimethoxysilane, or mercaptopropyltrimethoxysilane.