The invention relates to a method for transmitting data in a WLAN network during which WLAN messages are transmitted in the L2 protocol layer between a terminal and an access node of the WLAN network, whereby the access node can be connected to one or more data networks. The message summary field indicates whether 802. A superstrate substantially transparent to light emitted by the active region is disposed on a first side of the stack. Each product team can provide its own configuration schema, which allows the domain experts in a particular field to provide reusable models for their products. Color filters may also be overlaid the light diffusers or color pigment may be added to the diffusion material during injection molding to create color displays.