Walk the independent claim. Samsung's grant US12429701B2, "Augmented reality device based on curved waveguide ... and augmented reality glasses" (issued September 30, 2025; a large multi-inventor filing), is a granted patent. Its CPC anchors G02B 27/0944 and G02B 27/0172 are head-mounted-display optics classes, with G06T 19/006 rendering alongside.
The element that does the work is curvature. Most AR waveguides are flat slabs, which forces a flat lens and a distinctly un-eyeglass-like form. The claim's contribution is a curved waveguide — optics that follow a curved lens — which is far harder to engineer (light propagation through a curve is unforgiving) but is the path to AR glasses that look like normal eyewear.
What it reads on is AR smart glasses with curved lenses — the consumer-acceptable form factor the whole industry is chasing, as opposed to the bulky goggles of the first headset generation. Samsung claiming curved-waveguide optics positions it for the eyewear-form AR products that come after the headset era.
Scope discipline: the claim protects the recited curved-waveguide device and glasses, not AR optics generally and not flat-waveguide designs. A headset using flat waveguides operates in a different optical regime. The defensible element is the curved-waveguide architecture — precisely the hard part this claim is built around.
Granted status makes US12429701B2 a live consideration on the curved-optics path, a distinct technical bet from the flat-waveguide mainstream. As with the diffractive-versus-reflective split, the flat-versus-curved choice is partly a choice of which patent thicket to enter — and Samsung has staked a position in the curved one.
For a strategist, the patent marks where the AR-optics fight is heading next: toward eyewear form factors, which demand curved optics. Samsung's 2025 grant is an early claim in that frontier — a bet that the winning AR product looks like glasses, and that curved waveguides are how you get there.