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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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AI Technical Summary

Problems solved by technology

However, the application of color wheels is relatively costly, inefficient and does not enable continuous generation of wavelength-converted light

Method used

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

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Embodiment Construction

[0045] figure 1 A side view of the wavelength conversion body 1 according to the first exemplary embodiment is shown in section. The wavelength conversion body 1 is used to generate wavelength-converted light from primary light P incident into the wavelength conversion body 1 . The primary light P can be, for example, laser light generated by a laser or narrow-bandwidth light generated by a light-emitting diode. However, the type of light source generating the primary light P is in principle not limited and may also include, for example, light sources of broadband radiation with or without filters arranged downstream, or wavelength emissions with linear emission or broadened pressure. range of discharge lamps. Particle beam irradiators (eg electron beam or ion beam) can also be used.

[0046] The wavelength converter 1 has a light guide 2 which is transparent to primary light P, in particular transparent. The light guide 2 here has the shape of a truncated cone with a larg...

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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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