Light management is fundamental for achieving high performance thin-film silicon solar cells. We
highlight important developments of light management for record modules subdivided into several main
categories: (a) reduction of reflection at interfaces by introducing antireflective layers; (b) reduction of
parasitic losses in transparent conductive oxide layers; (c) improvement of light scattering combined
with transparent conductive oxide surface morphology optimization; and (d) balancing of top cell and
bottom cell currents by reflective layers. Specific aspects related to industrial production of large area
modules are discussed including transparency/conductivity trade-offs, optimized deposition rates and
coating uniformities.