Obviousness

I am unable to perform an obviousness analysis of US patent 12158250 under 35 U.S.C. § 103 as requested.

This is due to two critical missing pieces of information in the provided patent text:

1. Patent Claims: The full text provided for US12158250B2 does not include the specific claims of the patent. An obviousness analysis fundamentally relies on comparing the scope of the claims against the prior art.
2. Specific Prior Art References: The "Prior art" section of the provided text only lists "Prior art keywords" (organic light, emitting diode, layer, encapsulation, radiation) and a "Prior art date" (2008-12-11). It does not contain a list of specific prior art documents (e.g., patent numbers, publications, or other disclosures) that could be combined to establish obviousness.

Without the actual claims to analyze and specific prior art references to combine, it is not possible to identify combinations of prior art that would render the claims obvious, nor explain the motivation for such combinations to a person having ordinary skill in the art.