Arbitrary surface optical element and method of making the same

An arbitrary surface optical element, such as a mirror for use in a rear projection television, includes a non-optical portion and an optical portion. The non-optical portion circumscribes the optical portion and has a thickness greater than the optical portion. Accordingly, the two portions cool at...

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Bibliographische Detailangaben
Hauptverfasser: Burnett, William Robert, Davies, Kathleen Hannon, Frey, Paul D, Guo, Qing, Chuang, Charles Chia-ming, Poppell, David Daniel
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An arbitrary surface optical element, such as a mirror for use in a rear projection television, includes a non-optical portion and an optical portion. The non-optical portion circumscribes the optical portion and has a thickness greater than the optical portion. Accordingly, the two portions cool at approximately the same rate, thereby minimizing warpage from differential cooling.