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Absolutely correct, juliadee. However, there have been many instances of companies using COB LED for their products, going back 40+ years to early LED-segment pocket calculators that would have a plastic magnifying lens over the whole group of COB, all the way up to todays actual COB LED lighting units by Bridgelux (Vero) that are multiple diodes bonded to a board and coated with one large phosphor goop window.
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