公开(公告)号：US20200091377A1

公开(公告)日：2020-03-19

申请号：US16133311

申请日：2018-09-17

申请人： Lumileds Holding B.V.

发明人： Daniel Bernardo Roitman ,  Sujan-Ehsan Wadud ,  Michael Laughner ,  William Collins ,  Darren Dunphy ,  Prashant Kumar Singh

IPC分类号： H01L33/44 ,  H01L33/50 ,  C09J183/04 ,  C09J11/04 ,  C09J5/06 ,  C23C16/40 ,  C23C16/455

摘要： 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 SiO2, alumina, soda lime glass, may be inorganic, or polymeric.

公开(公告)号：US10600937B1

公开(公告)日：2020-03-24

申请号：US16133311

申请日：2018-09-17

申请人： Lumileds Holding B.V.

发明人： Daniel Bernardo Roitman ,  Sujan-Ehsan Wadud ,  Michael Laughner ,  William Collins ,  Darren Dunphy ,  Prashant Kumar Singh

IPC分类号： H01L33/44 ,  H01L51/50 ,  H01L33/50 ,  C09J183/04 ,  C23C16/455 ,  C09J5/06 ,  C23C16/40 ,  C09J11/04

摘要： 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 SiO2, alumina, soda lime glass, may be inorganic, or polymeric.