摘要:
An LED having vertical topology and a method of making the same is capable of improving a luminous efficiency and reliability, and is also capable of achieving mass productivity. The method includes forming a semiconductor layer on a substrate; forming a first electrode on the semiconductor layer; forming a supporting layer on the first electrode; generating an acoustic stress wave at the interface between the substrate and semiconductor layer, thereby separating the substrate from the semiconductor layer; and forming a second electrode on the semiconductor layer exposed by the separation of the substrate.
摘要:
A nitride-based light emitting device capable of achieving an enhancement in emission efficiency and an enhancement in reliability is disclosed. The light emitting device includes a semiconductor layer, and a light extracting layer arranged on the semiconductor layer and made of a material having a refractive index equal to or higher than a reflective index of the semiconductor layer.
摘要:
A light emitting device having improved light extraction efficiency is disclosed. The light emitting device includes a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one groove formed through a portion of the first semiconductor layer, the active layer, and the second semiconductor layer.
摘要:
Novel membranes comprising various polymers containing heterocyclic nitrogen groups are described. These membranes are usefully employed in electrochemical sensors, such as amperometric biosensors. More particularly, these membranes effectively regulate a flux of analyte to a measurement electrode in an electrochemical sensor, thereby improving the functioning of the electrochemical sensor over a significant range of analyte concentrations. Electrochemical sensors equipped with such membranes are also described.
摘要:
An analyte sensor including an antiglycolytic agent or a precursor thereof and a chelating agent that stabilizes the antiglycolytic agent positioned proximate to the working electrode of the sensor. Also provided are systems and methods of using the electrochemical analyte sensors in analyte monitoring.
摘要:
Novel membranes comprising various polymers containing heterocyclic nitrogen groups are described. These membranes are usefully employed in electrochemical sensors, such as amperometric biosensors. More particularly, these membranes effectively regulate a flux of analyte to a measurement electrode in an electrochemical sensor, thereby improving the functioning of the electrochemical sensor over a significant range of analyte concentrations. Electrochemical sensors equipped with such membranes are also described.
摘要:
A method of manufacturing a vertical GaN-based LED includes forming a nitride-based buffer layer on a silicon substrate; sequentially forming a p-type GaN layer, an active layer, and an n-type GaN layer on the nitride-based buffer layer; forming an n-electrode on the n-type GaN layer; forming a plating seed layer on the n-electrode; forming a structure supporting layer on the plating seed layer; removing the silicon substrate through wet etching and forming roughness on the surface of the p-type GaN layer through over-etching; and forming a p-electrode on the p-type GaN layer having the roughness formed.
摘要:
The present invention relates to a prism sheet having a side which is perpendicular to the normal of a light guiding plate. The prism sheet includes a prism sheet base film and a plurality of linearly aligned prisms. The prisms are formed on one side of the prism sheet base film. Here, one side of each prism is perpendicular to the prism sheet base film. The prism sheet condenses a light outputted from a light guiding plate using its internal total reflection, and so the efficiency of the light is enhanced.
摘要:
An acrylic adhesive composition, an optical film and a liquid crystal display using the same, wherein the acrylic adhesive composition has excellent impact resistance, which improves resistance to external impact of an optical film, increases the wide viewing angle and brightness of an image display, such as a liquid crystal display, and increases durability of the optical film under heat and moist heat conditions. The acrylic adhesive composition having excellent impact resistance includes (a) 100 parts by weight of an acrylic copolymer, (b) 0.01˜10 parts by weight of a crosslinking agent, and (c) 0.5˜20 parts by weight of a polymer having an amino group, the acrylic copolymer being obtained by copolymerizing (1) 0.5˜10 wt % of a vinylic monomer having no carboxyl group, (2) 0.5˜20 wt % of a vinylic monomer having a carboxyl group, and (3) a balance of a (meth)acrylic acid ester monomer having a C1˜C12 alkyl group.