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LED chip with built-in high-speed switching diode for ESD protection
LED chip with built-in high-speed switching diode for ESD protection
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机译:具有内置高速开关二极管的LED芯片,用于ESD保护
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摘要
A relatively small ESD protection diode is formed on the same chip as a light emitting diode. In one embodiment, the ESD diode is a mesa-type diode isolated from the light emitting diode by a trench. To reduce the series resistance of the ESD diode, the PN junction and metal contact to the semiconductor material is made long and expands virtually the width of the chip. Various configurations of the PN junction and the N and P metal contacts for the ESD diode are described for increasing the breakdown voltage and for improved testing.
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