This standard BS IEC 62341-6-4:2017 Organic light emitting diode (OLED) displays is classified in these ICS categories:
31.260 Optoelectronics. Laser equipment
IEC 62341-6-4:2017(E) specifies the standard measurement conditions and measuring methods for determining the optical performance of transparent properties of organic light emitting diode (OLED) display panels and modules. This document includes the display performance under darkroom conditions, and front and back illumination.