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AssigneeMeta Platforms Technologies, LLC
InventorsTingling Rao, Yuge Huang, Lafe Joseph Purvis, II, Kimberly Kay Childress, Arman Boromand, Tanya Malhotra, Andrew John Ouderkirk, Lu Lu, Poer Sung
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A multilayer organic thin film includes a plurality of biaxially-oriented layers, where each layer is characterized by mutually orthogonal refractive indices, n1≠n2≠n3. In example structures, the corresponding in-plane refractive indices of adjacent layers may be rotated with respect to each other by a predetermined angle. Such a multilayer may be incorporated into a circular reflective polarizer, for example, which may be used in display systems to provide high broadband efficiency and high off-axis contrast. In an example process, individual organic thin films may be molded, and then oriented and stacked to form a multilayer.
A multilayer organic thin film comprising a plurality of biaxially-oriented layers, wherein each biaxially-oriented layer is equal in chemical composition and characterized by mutually orthogonal refractive indices, n1≠n2≠n3.
A multilayer organic thin film comprising a stack of biaxially-oriented organic solid crystal layers, wherein each biaxially-oriented layer is equal in chemical composition, characterized by mutually orthogonal refractive indices, n1≠n2≠n3, and respective in-plane refractive indices (n2, n3) of adjacent biaxially-oriented layers within the stack are rotationally offset by an angle (θ).
Dependencies are inferred from the claim text.