Which Region Dominates the Optical Film for BLU Market? Optical films serve as the backbone of LCD lighting systems, with brightness enhancement films (BEFs), diffuser films, and reflective films working in concert to optimize light uniformity and efficiency. Download FREE Sample Report: https://www.24chemicalresearch.com/download-sample/277775/global-optical-film-for-back-light-unit-market-2024-263