摘要:
A radiation-emitting semiconductor component, comprising a semiconductor body which emits a primary light, a luminescent conversion element which emits fluorescent light, in which the luminescent conversion element comprises a suspension of a luminous substance in a matrix material, wherein the luminescent conversion element is in direct contact with a part of the surface of said semiconductor body, and wherein the fluorescent light emitted from said luminescent conversion element is approximately half the total emission of the light of the radiation-emitting semiconductor component.
摘要:
The invention describes a radiation-emitting semiconductor component with a luminescent conversion element, at which the semiconductor body is placed in a recess of the base body. A cup-like area is molded inside of the recess around the semiconductor body, which contains the luminescent conversion element and coats the semiconductor body. The cup-like portion is formed as indentation inside of the recess or as annular border on the base of the recess.
摘要:
A radiation-emitting surface-mountable component has a light-emitting diode chip mounted on a leadframe. A molding material encapsulates the leadframe and the light emitting diode chip.
摘要:
The invention related to a method for producing an optical and a radiation-emitting component by a molding process, and to an optical and a radiation-emitting component having well-defined viscosity.
摘要:
A radiation-emitting and/or radiation-receiving semiconductor component comprising a radiation-emitting and/or radiation-receiving semiconductor chip, a molded plastic part which is transparent to an electromagnetic radiation to be emitted and/or received by the semiconductor component and by which the semiconductor chip is at least partially overmolded, and external electrical leads that are electrically connected to electrical contact areas of the semiconductor chip. The molded plastic part is made of a reaction-curing silicone molding compound. A method of making such a semiconductor component is also specified.
摘要:
The invention relates to a semiconductor component comprising surface metallization and having at least one semiconductor body (3) and a package base body (2) on whose surface conductor path structures (7) are formed by means of surface metallization. A subregion of the conductor path structure (7) constitutes the solder connections of the semiconductor component. The solder connections (1) are combined to form rows, the individual rows of solder connections being arranged at a very small, predetermined spacing from one another.
摘要:
A plurality of light-emitting diode light sources of the same kind are produced simultaneously. Each light source includes a light-emitting diode chip and a luminescence conversion element, which converts the wavelength of at least part of an electromagnetic radiation emitted by the light-emitting diode chip. In a first process, a layer composite with a light-emitting diode layer sequence applied to a carrier substrate is provided. The wafer is provided with trenches and then inserted into a cavity of a mold. A molding compound, which contains a luminescence conversion material, is driven in, so that the trenches are at least partly filled with the molding compound. The mold is then removed and the light-emitting diode light sources are separated from the layer composite. In a second process, instead of the layer composite, a plurality of light-emitting diode chips which are applied to a common carrier in a regular arrangement are provided.
摘要:
The invention relates to a method of making LED chips provided with a luminescence conversion material containing at least one phosphor. In the method, a layer composite is prepared that includes an LED layer sequence for a multiplicity of LED chips and comprises on a main surface at least one electrical contact surface for each LED chip, for electrically connecting said chip. A layer of adhesion promoter is applied to the main surface and selectively removed from at least portions of the contact surfaces. At least one phosphor is then applied to the main surface. Alternatively, a luminescence conversion material is applied to the main surface and selectively removed from at least portions of the contact surfaces. The invention also relates to an LED chip provided with a luminescence conversion material.
摘要:
The invention relates to a guitar comprising a releasable device for clamping the strings to the nut, the ball ends being secured to a base part movable around a knife edge and disposed in a recess in the body and comprising an adjustable prism and adjustable spring riders and tension springs engaging the base part. The clamping device comprises clamping jacks (2), an adjustable end pressure plate (3) with a set screw (7) and an eccentric pressure plate (4) movable by an eccentric lever (8) and between which the strings are clamped. Also, the base part (20) has string riders (23), spacer plates (26), through bores (31) for the strings and an adjustable spring-retaining block (21) at which tension springs (39) engage, the ball ends being disposed between the through bores and the spring-retaining block. Also, the other spring ends are secured to a spring-holding bracket (35) connected to a tightening nut (40) by a spring-adjusting screw (37) with interposition of a tension casing (34) (FIG. 9).
摘要:
A surface-mountable light-emitting diode light source is described, in which the leadframe-bends toward the rear side of the package that are required for surface mounting lie within a transparent plastic molded body. Also described is a method of producing a mixed-light, preferably white-light source on the basis of a UV- or blue-emitting semiconductor LED. The LED is mounted on a leadframe, a transparent plastics molding composition is mixed with a conversion substance and possibly further fillers to form a molding composition. The leadframe is encapsulated, preferably by the injection-molding process, with the molding composition in such a way that the LED is surrounded on its light-exiting sides by the molding composition.