Obviousness

To conduct an obviousness analysis under 35 U.S.C. § 103, specific prior art references (e.g., other patents, scientific publications) that predate the priority date of US11520377 are required. The provided patent text includes "Prior art keywords" (segments, state, segment, touch screen, structural support) and a "Prior art date" of 2010-08-10, but it does not list any specific prior art documents that were cited against the patent or its parent applications.

Without a list of specific prior art references, it is not possible to:

1. Identify combinations of prior art references.
2. Analyze the teachings of those references.
3. Determine if a person having ordinary skill in the art would have been motivated to combine them to arrive at the claimed invention with a reasonable expectation of success.

Therefore, I cannot perform the requested obviousness analysis.