US 12,176,467 B2
Electromagnetic radiation emitting device and method of applying a converter layer to an electromagnetic radiation emitting device
Sebastian Taeger, Bad Abbach (DE); Siegfried Herrmann, Neukirchen (DE); Adrian Stefan Avramescu, Regensburg (DE); and Alexander Behres, Pfatter (DE)
Assigned to OSRAM OLED GmbH, Regensburg (DE)
Appl. No. 17/265,475
Filed by OSRAM OLED GmbH, Regensburg (DE)
PCT Filed Aug. 2, 2019, PCT No. PCT/EP2019/070913
§ 371(c)(1), (2) Date Feb. 2, 2021,
PCT Pub. No. WO2020/025803, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 102018118962.1 (DE), filed on Aug. 3, 2018.
Prior Publication US 2021/0280748 A1, Sep. 9, 2021
Int. Cl. H01L 33/50 (2010.01); H01L 33/00 (2010.01)
CPC H01L 33/501 (2013.01) [H01L 33/005 (2013.01); H01L 2933/0025 (2013.01); H01L 2933/0041 (2013.01)] 18 Claims
OG exemplary drawing
 
18. An electromagnetic radiation emitting device comprising:
a semiconductor chip configured to emit electromagnetic radiation;
at least one converter layer located on the semiconductor chip,
wherein the at least one converter layer has a plurality of thin layers in which converter elements are embedded, and
wherein each of the plurality of thin layers has a thickness of at most 100 nm; and
a reflector layer and/or an absorber layer seamlessly arranged next to the converter layer, and
wherein the reflector layer and/or the absorber layer comprise the plurality of thin layers in which the converter elements are embedded.