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Figure 8 - Optical images of electrical aged device (top), thermal aged device (center), and the cross section of the electrical aged device, along cathode-anode direction.https://www.led-professional.com/media/technology_thermal-management_thermally-activated-degradation-of-phosphor-converted-white-leds-1_figure-8-optical-images-of-electrical-aged-device/viewhttps://www.led-professional.com/media/technology_thermal-management_thermally-activated-degradation-of-phosphor-converted-white-leds-1_figure-8-optical-images-of-electrical-aged-device/@@images/image-1200-5b198d28301947172ba844992dea1653.jpeg
Figure 8 - Optical images of electrical aged device (top), thermal aged device (center), and the cross section of the electrical aged device, along cathode-anode direction.