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Epistar's HV chips have higher WPE and lower forward voltage as compared to normal power chips with the same chip size.https://www.led-professional.com/media/products_leds_led_modules_epistar-achieves-135lm-w-white-led-at-1w-operation_epistars-hv-chips-have-higher-wpe-and-lower/viewhttps://www.led-professional.com/media/products_leds_led_modules_epistar-achieves-135lm-w-white-led-at-1w-operation_epistars-hv-chips-have-higher-wpe-and-lower/@@images/image-1200-c7b6ba0336bf1e8f4ef074ec8fe04558.jpeg
Epistar's HV chips have higher WPE and lower forward voltage as compared to normal power chips with the same chip size.