Fast GaN μLED pixel for visible light communication matrix emitter

Yoann Seauve (1) , Margaux Vigier (2, 1) , Thomas Pilloix (1) , Gilles Sicard (2, 3, 1)

1 CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
2 DOPT - Département d'Optronique
3 DACLE-LETI - Département d'Architectures, Conception et Logiciels Embarqués-LETI

—Galium nitride (GaN) based LEDs are known for their high brightness and their high-speed commutation capability. Not surprisingly, GaN µLEDs are often used in LED based visible light communication (VLC) systems, due to the large modulation bandwidth they can offer. Although VLC emitter are commonly built with a single LED, using a matrix of µLED as the light source can have some advantages as higher linearity. Inthis paper, the design of a fast GaN µLED pixel driver dedicated to matrix emitters is discussed

Mots clés: VLC; µLED; Pixel; Driver; Analog; CMOS; GaN

Domaines: Sciences de l'ingénieur [physics]

Yoann Seauve, Margaux Vigier, Thomas Pilloix, Gilles Sicard. Fast GaN μLED pixel for visible light communication matrix emitter. NEWCAS 2020 - 18th IEEE International New Circuits and Systems Conference, Jun 2020, Montréal, Canada. pp.14-17, ⟨10.1109/NEWCAS49341.2020.9159804⟩. ⟨cea-04555839⟩