Deep molded reflector cup used as complete LED package

Deep molded reflector cup used as complete LED package

An LED package creates a narrow beam in a very compact package without use of a lens. A plastic is molded around a metal lead frame (12, 14) to form a molded cup (26), where the cup has parabolic walls extending from a bottom area of the cup to a top thereof. The lead frame forms a first set of elec...

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1. Verfasser: Butterworth, Mark Melvin
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator Butterworth, Mark Melvin
description An LED package creates a narrow beam in a very compact package without use of a lens. A plastic is molded around a metal lead frame (12, 14) to form a molded cup (26), where the cup has parabolic walls extending from a bottom area of the cup to a top thereof. The lead frame forms a first set of electrodes exposed at the bottom area of the cup for electrically contacting a set of LED die electrodes (18, 20). The lead frame also forms a second set of electrodes outside of the cup for connection to a power supply. A reflective metal (28) is then deposited on the curved walls of the cup. An LED die (16) is mounted at the bottom area of the cup and electrically connected to the first set of electrodes. The cup is then partially filled with an encapsulant (64) containing a phosphor (66).
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Deep molded reflector cup used as complete LED package
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