US 12,255,271 B2
Optoelectronic unit and method for identifying an optoelectronic unit
Philipp Pust, Langquaid (DE); Stefan Lange, Augsburg (DE); and Sebastian Stoll, Coburg (DE)
Assigned to ams-OSRAM International GmbH, Regensburg (DE)
Appl. No. 18/013,543
Filed by ams-OSRAM International GmbH, Regensburg (DE)
PCT Filed Sep. 8, 2021, PCT No. PCT/EP2021/074699
§ 371(c)(1), (2) Date Dec. 28, 2022,
PCT Pub. No. WO2022/053508, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 10 2020 123 707.3 (DE), filed on Sep. 11, 2020; and application No. 10 2020 126 112.8 (DE), filed on Oct. 6, 2020.
Prior Publication US 2023/0290908 A1, Sep. 14, 2023
Int. Cl. G01N 21/64 (2006.01); H01L 33/50 (2010.01)
CPC H01L 33/502 (2013.01) [G01N 21/64 (2013.01); H01L 33/504 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optoelectronic unit comprising
a semiconductor chip configured to emit primary radiation with a first wavelength range during operation of the optoelectronic unit,
a component comprising an optically active material,
wherein
the component is arranged at least partially in the beam path of the semiconductor chip,
the optically active material is not intended to be excited by the primary radiation with the first wavelength range, and
the optically active material comprises a proportion in the component of 0.004 wt %, inclusive, to 1 wt %, inclusive.