Highly Reliable and Low-Cost Fabrication of Warm-White LEDs Using Composite Silica Photonic Crystals

Figure 1

(a) Optical microscopy image and (b) schematic diagram of the c-SCPhCs deposited onto the 5630-type PLCC-packaged WLEDs. FESEM images of the c-SCPhCs prepared using silica nanospheres with a diameter of 400 nm; (c) and (d) display a well-organized (111) plane and (100) plane of face-centered cubic structures.

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