摘要:
The invention relates to a surface light source with a lighting surface that includes at least one semiconductor body that emits electromagnetic radiation from its front side during operation. Decoupling structures are suitable for producing a local variation of the light density on the lighting surface, so that the light density is increased in at least one illumination area with respect to a background area.
摘要:
The invention relates to a surface light source with a lighting surface that includes at least one semiconductor body that emits electromagnetic radiation from its front side during operation. Decoupling structures are suitable for producing a local variation of the light density on the lighting surface, so that the light density is increased in at least one illumination area with respect to a background area.
摘要:
A surface light guide includes a radiation exit area running along a main extension plane of the surface light guide and includes a light guiding region, which has scattering locations and a coating arranged on a first main area of the light guiding region, wherein radiation coupled in along the main extension plane impinging on the first main area after scattering at the scattering locations has an excessively increased radiation component and the coating reduces in a targeted manner an exit of the excessively increased radiation component from the radiation exit area.
摘要:
A surface light guide includes a radiation exit area running along a main extension plane of the surface light guide and includes a light guiding region, which has scattering locations and a coating arranged on a first main area of the light guiding region, wherein radiation coupled in along the main extension plane impinging on the first main area after scattering at the scattering locations has an excessively increased radiation component and the coating reduces in a targeted manner an exit of the excessively increased radiation component from the radiation exit area.
摘要:
A surface light guide has a radiation exit area extending along a main extension plane of the surface light guide and is provided for laterally coupling radiation. The surface light guide includes scattering locations for scattering the coupled radiation. The surface light guide includes a first boundary surface and a second boundary surface which delimit the light conductance of the coupled-in radiation in the vertical direction. A first layer and a second layer are formed on each other in the vertical direction between the first boundary surface and the second boundary surface. Further disclosed are a planar emitter including at least one surface light guide.
摘要:
A surface light guide has a radiation exit area extending along a main extension plane of the surface light guide and is provided for laterally coupling radiation. The surface light guide includes scattering locations for scattering the coupled radiation. The surface light guide includes a first boundary surface and a second boundary surface which delimit the light conductance of the coupled-in radiation in the vertical direction. A first layer and a second layer are formed on each other in the vertical direction between the first boundary surface and the second boundary surface. Further disclosed are a planar emitter including at least one surface light guide.
摘要:
A mixed light source has a first semiconductor component, which is provided for generating a first radiation fraction, and a second semiconductor component, which is provided for generating radiation of a second radiation fraction different from the first radiation fraction. The first semiconductor component is mounted by a first mounting point on a first heat sink with a first thermal resistance R1. The second semiconductor component is mounted by a second mounting point on a second heat sink with a second thermal resistance R2. The thermal resistances R1 and R2 are different from one another.
摘要:
A light-emitting diode module has a first component and a second component, wherein the module exhibits a first operating mode and a second operating mode. The first component exhibits a first luminous flux. The second component exhibits a second luminous flux. In the first operating mode, the ratio of the first and second luminous fluxes is set such that the module emits mixed radiation with a color rendering index of 80 to 97. In the second operating mode, the ratio of the first and second luminous fluxes is set such that the module emits mixed radiation with a color rendering index of 55 to 70.
摘要:
A mixed light source has a first semiconductor component, which is provided for generating a first radiation fraction, and a second semiconductor component, which is provided for generating radiation of a second radiation fraction different from the first radiation fraction. The first semiconductor component is mounted by a first mounting point on a first heat sink with a first thermal resistance R1. The second semiconductor component is mounted by a second mounting point on a second heat sink with a second thermal resistance R2. The thermal resistances R1 and R2 are different from one another.
摘要:
A lighting device may include: a rod-shaped carrier body with at least one first and one second mounting side and a main direction of extent, first semiconductor light-emitting elements on first mounting faces of the first mounting side, and second semiconductor light-emitting elements on second mounting faces of the second mounting side, wherein the first and the second mounting sides face away from one another, wherein the mounting faces are formed by depressions in the mounting sides, which depressions are arranged so as to be spaced apart along the main direction of extent, and wherein the first semiconductor light-emitting elements are identical to one another and the second semiconductor light-emitting elements are identical to one another.