Abstract: A light-emitting diode includes a semiconductor light-emitting stack and a distributed Bragg reflector (DBR) structure. The semiconductor light-emitting stack has a first surface and a second surface opposite to each other. The DBR structure is disposed on one of the first surface and the second surface of the semiconductor light-emitting stack, and includes at least one set of light-transmitting layers including at least two of the light-transmitting layers which have different refractive indices and roughened interface.

Abstract: A light-emitting diode includes a semiconductor light-emitting stack and a distributed Bragg reflector (DBR) structure. The semiconductor light-emitting stack has a first surface and a second surface opposite to each other. The DBR structure is disposed on one of the first surface and the second surface of the semiconductor light-emitting stack, and includes at least one set of first light-transmitting layers and at least one set of second light-transmitting layers stacked on each other in the first direction. The first light-transmitting layers has interface roughness greater than that of the second light-transmitting layers.

Abstract: A composition for improving the solubility of poorly soluble substances is provided. The composition for improving the solubility of poorly soluble substances includes 60-97% by weight of cyclodextrin and/or a derivative thereof, 0.5-4% by weight of at least one water-soluble polymer and 0.4-30% by weight of at least one water-soluble stabilizer, wherein the at least one water-soluble stabilizer includes caffeine, and wherein the poorly soluble substance is a tyrosine kinase inhibitor.

Abstract: A composition for improving the solubility of poorly soluble substances is provided. The composition includes about 40-99.5% by weight of cyclodextrin and/or derivatives thereof; about 0.05-10% by weight of at least one water-soluble polymer; and about 0.05-60% by weight of at least one water-soluble stabilizer.

Abstract: A light-emitting device includes a substrate and an epitaxial unit. The substrate has a first and a second surface. The substrate is formed on the first surface with a plurality of protrusions. The epitaxial unit includes a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially disposed on the first surface of the substrate. The first surface of the substrate has a first area that is not covered by the epitaxial unit, and a second area this is covered by the epitaxial unit. A height difference (h2) between the first area and the second area is no greater than 1 ?m. A display apparatus and a lighting apparatus are also disclosed.

Abstract: A light emitting diode device includes a substrate having a substrate surface, an epitaxial structure having an epitaxial surface opposite to the substrate surface, and a plurality of bridging electrodes disposed on the epitaxial surface. The epitaxial structure includes first, second and third light emitting units spacedly and sequentially disposed on the substrate surface. A projection of the second light emitting unit has a first edge and a second edge that is connected with and perpendicular to the first edge. The epitaxial surface has an operating zone on the second light emitting unit that is adapted to be pushed by an ejector pin. A length of the second edge is equal to or greater than a diameter of the operating zone.

Abstract: A contact lens with sustained-release property is provided. The contact lens includes a polymer, pseudorotaxane embedded in the polymer, and a stabilizer embedded in the pseudorotaxane. The polymer is polymerized by monomer materials. The monomer materials include ethyl methacrylate, ethylene glycol dimethacrylate, methacrylic acid, 2-hydroxyethyl methacrylate, or a combination thereof. The stabilizer includes surfactant, amino acid with a polar side chain, oligopeptide containing at least one amino acid with a polar side chain, purine or its derivative, or a combination thereof.

Abstract: A light-emitting diode includes a semiconductor light-emitting stack and a distributed Bragg reflector (DBR) structure. The semiconductor light-emitting stack has a first surface and a second surface opposite to each other. The DBR structure is disposed on one of the first surface and the second surface of the semiconductor light-emitting stack, and includes at least one set of first light-transmitting layers and at least one set of second light-transmitting layers stacked on each other in the first direction. The first light-transmitting layers has interface roughness greater than that of the second light-transmitting layers.

Abstract: A composition for improving the solubility of poorly soluble substances is provided. The composition includes about 40-99.5% by weight of cyclodextrin and/or derivatives thereof; about 0.05-10% by weight of at least one water-soluble polymer; and about 0.05-60% by weight of at least one water-soluble stabilizer.