Wavelength conversion body and method for manufacturing same

A wavelength conversion and ontology technology, applied in semiconductor/solid-state device manufacturing, semiconductor devices, semiconductor devices of light-emitting elements, etc., can solve the problems of color wheel consumption, low-efficiency wavelength conversion, etc., and achieve the effect of simple shape and simple structure

Active Publication Date: 2014-04-16
CORETRONIC
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application of color wheels is relatively costly, inefficien

Method used

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  • Wavelength conversion body and method for manufacturing same
  • Wavelength conversion body and method for manufacturing same

Examples

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Example Embodiment

[0045] figure 1 A side view of the wavelength conversion body 1 according to the first embodiment is shown in a sectional view. The wavelength conversion body 1 is used to generate wavelength converted light from the primary light P incident to the wavelength conversion body 1. The primary light P can be, for example, laser light generated by a laser or light with a narrow bandwidth generated by a light emitting diode. However, the type of light source that generates the primary light P is not limited in principle and may also include, for example, a light source with wide bandwidth radiation with or without a filter arranged downstream, or a wavelength emission with linear emission or broadened pressure. Range of discharge lamps. It is also possible to use a particle beam radiator (for example, an electron beam or an ion beam).

[0046] The wavelength conversion body 1 has a light guide 2 that is transmissive to primary light P, in particular transparent. The light guide 2 he...

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Abstract

The invention relates to a wavelength conversion body (1) for generating wavelength converted light (S) from primary light (P) radiated into the wavelength conversion body (1), comprising a light guiding body (2) which is transparent for the primary light (P) and for the wavelength converted light (S), and at least one luminescent body (6) containing a luminescent substance, wherein the light guiding body (2) is monolithically connected to the at least one luminescent body (6). The invention further relates to a method for producing a wavelength conversion body (1; 11).

Description

technical field [0001] The invention relates to a wavelength converting body for generating wavelength-converted light from primary light incident into the wavelength converting body. The invention also relates to a method for producing a wavelength converting body. Background technique [0002] In LARP ("Laser Activated Remote Phosphor") applications, the luminescent material ("Phosphor" in English) is irradiated with the aid of a laser with primary light. The luminescent material converts at least a portion of the primary light into wavelength-converted light, typically into light having a larger wavelength ("down-converted"). The energy difference between the primary light and the wavelength-converted light is output as "Stokes heat", which leads to heating of the luminescent material. Heating of the phosphor can in turn lead to a shift in the wavelength or peak wavelength of the wavelength-converted light (“Stokes shift”), to a reduction in quantum efficiency (“quantum...

Claims

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Application Information

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IPC IPC(8): H01L33/50H01L21/18F21V9/40
CPCF21K9/56F21V9/16F21K9/64F21V9/30F21V13/08Y10T29/49826
Inventor 乌尔里希·哈特维希弗兰克·耶尔曼尼科·摩根布罗德迪尔克·贝尔本
Owner CORETRONIC
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