Abstract: The application discloses a chip fabrication process for improving LED chip light extraction efficiency and an LED chip. The LED chip comprises: a patterned sapphire substrate including a sapphire substrate and an oxide layer provided on the sapphire substrate; an LED chip epitaxial wafer provided on a patterned sapphire substrate, and the outer periphery of the LED chip epitaxial wafer is provided with an isolation groove; the LED chip epitaxial wafer comprises an N-type gallium nitride layer and a P-type gallium nitride layer, wherein the N-type gallium nitride layer is provided on a patterned sapphire substrate, the P-type gallium nitride layer is provided on the N-type gallium nitride layer, and the isolation groove is a multi-layer triangular cone, a semi-circle or a sphere.

Abstract: Disclosed here are a triboelectric generator electrode, manufacturing methods thereof, and light emitting shoes. The triboelectric generator electrode includes a porous electrode layer and a high molecular polymer insulating layer, and the porous electrode layer and the high molecular polymer insulating layer are mutually embedded to form an embedded body. The manufacturing method of the triboelectric generator electrode includes the following steps: (1) brushing a high molecular polymer insulating coating on the surface of a template having a microstructure, and carrying out a degassing treatment; (2) cutting a porous electrode layer with a smooth surface into a target size; (3) fitting the porous electrode layer to the surface of the high molecular polymer insulating coating, and carrying out a curing treatment; and (4) taking a high molecular polymer insulating coating/porous electrode layer composite film from the surface of the template.

Abstract: Disclosure includes a physiological monitoring sensor strip and a method for manufacturing the same, and a physiological monitoring mattress and a physiological monitoring system having the same. The physiological monitoring sensor strip includes: a first triboelectric layer and a second triboelectric layer in a stacked arrangement, between which a triboelectric interface is formed; an insulation layer wrapping the first triboelectric layer and wrapping the second triboelectric layer; an electric conduction shielding layer wrapping the first triboelectric layer, the second triboelectric layer, and the insulation layer; and a first extraction electrode and a second extraction electrode acting as outputting electrodes of the physiological monitoring sensor strip.