JP2020510548A - 光ファイバを使用する3d印刷された照明器具 - Google Patents
光ファイバを使用する3d印刷された照明器具 Download PDFInfo
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- Manufacturing & Machinery (AREA)
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Abstract
Description
Claims (15)
- 3D物品を3D印刷するステップを含む方法であって、3D印刷された材料内に光ファイバが少なくとも部分的に埋め込まれている、前記3D物品を提供するために、印刷段階の間に、3D印刷可能材料及び前記光ファイバを堆積させるステップを含み、前記3D印刷可能材料が、前記印刷段階の少なくとも一部の間に、光透過性材料を含み、前記方法は、前記印刷段階の間に、前記光透過性材料を含む3D印刷された材料を含む、光脱出部分を提供するステップを更に含み、前記光ファイバを通って伝搬する可視光が、前記光ファイバから、前記光脱出部分によって含まれている前記3D印刷された材料を介して、前記3D物品の外部に抜け出ることができる、方法。
- 前記印刷段階の間に、前記光ファイバから光が抜け出ることを容易にする曲げ半径で前記光ファイバを構成することによって、前記光脱出部分が更に提供される、請求項1に記載の方法。
- 前記印刷段階の間に、アウトカップリング機構を介して前記光ファイバから光が抜け出ることを容易にするために、前記光ファイバに前記アウトカップリング機構を設けることによって、前記光脱出部分が更に提供される、請求項1乃至2のいずれか一項に記載の方法。
- アウトカップリング機構を設けるステップが、(i)クラッドの一部分を除去するステップ、及び(ii)前記光ファイバ内に欠損部を作り出すステップのうちの1つ以上を含む、請求項3に記載の方法。
- 前記光脱出部分によって含まれている前記光透過性材料が、前記光ファイバの屈折率よりも高い屈折率を有する、請求項1乃至4のいずれか一項に記載の方法。
- 少なくとも前記光脱出部分を有する、前記3D物品の異なる部分を提供するために、前記印刷段階の間に、(i)前記3D印刷可能材料によって含まれる光反射性粒子の濃度、(ii)前記3D印刷可能材料によって含まれる発光材料の濃度、(iii)前記3D印刷可能材料の屈折率、及び(iv)前記3D印刷可能材料によって含まれるポリマー材料の組成のうちの1つ以上を変更することによって、前記3D印刷可能材料の組成を変更するステップを更に含む、請求項1乃至5のいずれか一項に記載の方法。
- 前記光ファイバが、ガラス材料を含み、前記方法は、熱溶解積層法を含み、前記印刷段階の間に、前記光ファイバ及び前記3D印刷可能材料が、単一のプリンタヘッドを使用して同時に堆積される、請求項1乃至6のいずれか一項に記載の方法。
- 前記光透過性材料が、第1の透過率を有し、前記印刷段階の一部の間に、前記3D印刷可能材料が、前記第1の透過率よりも低い第2の透過率を有する、第2の材料を含み、前記方法は、1つ以上の光脱出部分と、光透過性ではなく、前記3D印刷された材料を介して可視光が前記外部に抜け出ることができない、1つ以上の部分であって、前記第2の材料を含む1つ以上の部分とを設けるステップを更に含む、請求項1乃至7のいずれか一項に記載の方法。
- 3D印刷された材料及び光ファイバを備える、3D物品であって、前記光ファイバが、前記3D印刷された材料内に少なくとも部分的に埋め込まれており、前記3D物品は、第1の透過率を有する光透過性材料を含む前記3D印刷された材料を含む、光脱出部分を備え、前記光ファイバを通って伝搬する可視光が、前記光ファイバから、前記光脱出部分によって含まれている前記3D印刷された材料を介して、前記3D物品の外部に抜け出ることができる、3D物品。
- (i)前記光脱出部分内の前記光ファイバが、前記光ファイバから光が抜け出ることを容易にする曲げ半径を有すること、(ii)前記光脱出部分内の前記光ファイバが、アウトカップリング機構を介して前記光ファイバから光が抜け出ることを容易にするために、前記アウトカップリング機構を有すること、及び(iii)前記光脱出部分によって含まれている前記光透過性材料が、前記光ファイバの屈折率よりも高い屈折率を有することのうちの、1つ以上である、請求項9に記載の3D物品。
- (i)前記光ファイバが、ガラス材料を含むコア、及びクラッドを含み、前記コアの少なくとも一部分が、前記クラッドによって覆われておらず、前記部分が、前記光脱出部分によって少なくとも部分的に含まれていること、及び(ii)前記光ファイバが、前記光ファイバからの可視光のアウトカップリングを容易にするための欠損部を含む、アウトカップリング機構を含み、前記アウトカップリング機構の少なくとも一部分が、前記光脱出部分によって含まれていることのうちの、1つ以上である、請求項9乃至10のいずれか一項に記載の3D物品。
- 1つ以上の光脱出部分と、光透過性ではない1つ以上の他の部分とを備え、2つ以上の部分が、(i)前記3D印刷された材料によって含まれている光反射性粒子の濃度、(ii)前記3D印刷された材料によって含まれている発光材料の濃度、(iii)前記3D印刷された材料の屈折率、及び(iv)前記3D印刷された材料によって含まれているポリマー材料の組成のうちの、1つ以上において異なっている、請求項9乃至11のいずれか一項に記載の3D物品。
- 1つ以上の光脱出部分と、光透過性ではなく、前記3D印刷された材料を介して可視光が前記外部に抜け出ることができない、1つ以上の部分とを備え、前記光脱出部分内の前記光ファイバが、前記光ファイバの直径の最大20倍の曲げ半径を有する、請求項9乃至12のいずれか一項に記載の3D物品。
- (a)可視の光源光を供給するように構成されている光源と、(b)請求項1乃至13のいずれか一項に記載の3D物品とを備え、前記光ファイバが前記光源に機能的に結合されている、照明システム。
- (a)プリンタノズルを含むプリンタヘッドと、(b)3D印刷可能材料を前記プリンタヘッドに供給するように構成されている3D印刷可能材料供給デバイスとを備える、熱溶解積層法3Dプリンタであって、前記熱溶解積層法3Dプリンタは、前記3D印刷可能材料及び光ファイバを基材に供給するように構成されており、前記熱溶解積層法3Dプリンタは、(c)(i)クラッドの一部分を除去すること、及び(ii)前記光ファイバ内に欠損部を作り出すことのうちの1つ以上によって、前記光ファイバを修正するように構成されている、光ファイバ修正器を更に備える、熱溶解積層法3Dプリンタ。
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