Wavelength-converting element, projection apparatus, and manufacturing method of wavelength-converting element
AssigneeCoretronic Corporation
InventorI-Hua Chen
Life of this patent
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Abstract
A wavelength-converting element includes a substrate and a wavelength-converting layer. The wavelength-converting layer is disposed on the substrate. The wavelength-converting layer includes a first inorganic binder and a wavelength-converting material. The wavelength-converting material is mixed with the first inorganic binder. The first inorganic binder includes a first alcohol-soluble inorganic binder or a first water-soluble inorganic binder. A projection apparatus using the wavelength-converting element and a manufacturing method of the wavelength-converting element are also provided.
Claims26
A wavelength-converting element, comprising a substrate and a wavelength-converting layer, wherein:
- the wavelength-converting layer is disposed on the substrate, the wavelength-converting layer comprises a first inorganic binder and a wavelength-converting material, the wavelength-converting material is mixed with the first inorganic binder, and the first inorganic binder comprises a first alcohol-soluble inorganic binder or a first water-soluble inorganic binder.
A projection apparatus, comprising an illumination system, a light valve and a projection lens, wherein:
- the illumination system is adapted to provide an illumination beam,
- the light valve is disposed on a transmission path of the illumination beam to convert the illumination beam into an image beam,
- the projection lens is disposed on a transmission path of the image beam,
- the illumination system comprises an exciting light source and a wavelength-converting element, wherein:
- the exciting light source is adapted to provide an exciting beam,
- the wavelength-converting element is disposed on a transmission path of the exciting beam, a wavelength-converting layer of the wavelength-converting element is adapted to convert the exciting beam into a converted beam, the illumination beam comprises the converted beam, and the wavelength-converting element comprises a substrate and the wavelength-converting layer, wherein:
- the wavelength-converting layer is disposed on the substrate, the wavelength-converting layer comprises a first inorganic binder and a wavelength-converting material, the wavelength-converting material is mixed with the first inorganic binder, the first inorganic binder comprises a first alcohol-soluble inorganic binder or a first water-soluble inorganic binder.
A manufacturing method of a wavelength-converting element, comprising:
- providing a substrate;
- and
- forming a wavelength-converting layer on the substrate, wherein the wavelength-converting layer comprises a first inorganic binder and a wavelength-converting material, the wavelength-converting material is mixed with the first inorganic binder, and the first inorganic binder comprises a first alcohol-soluble inorganic binder or a first water-soluble inorganic binder.
Dependencies are inferred from the claim text.