JP7478134B2 - 発光装置、及びこれを含む光照射器 - Google Patents
発光装置、及びこれを含む光照射器 Download PDFInfo
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- JP7478134B2 JP7478134B2 JP2021506474A JP2021506474A JP7478134B2 JP 7478134 B2 JP7478134 B2 JP 7478134B2 JP 2021506474 A JP2021506474 A JP 2021506474A JP 2021506474 A JP2021506474 A JP 2021506474A JP 7478134 B2 JP7478134 B2 JP 7478134B2
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/69—Details of refractors forming part of the light source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
- F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Description
Claims (12)
- 基板と、
前記基板上に複数個で提供され、行列状に配列された各発光ダイオードと、
前記各発光ダイオード上に提供された凸状のウィンドウであって、ベースと、前記ベースの一面から突出し、平面視において、円状を有するレンズ部と、を含み、前記各発光ダイオードから出射された光の経路を制御する前記ウィンドウと、を含み、
前記ウィンドウは、前記各発光ダイオードから出射された光が90度以下の指向角で集光するように下部直径の70%以下の高さを有し、
前記レンズ部の中心を通過する断面視において、前記レンズ部の中心を前記ベースの上面に投影した点を基準にして、前記レンズ部が前記ベースの上面からの角度によって順次第1領域乃至第m領域(mは3以上の整数)に分けられるとき、第n領域(1<n<m)での勾配変化量は、第n-1領域での勾配変化量及び第n+1領域での勾配変化量より大きく、
前記各発光ダイオードは、前記レンズ部の中心を通過する断面視において、両側の曲率半径が最も小さい地点の間に対応する前記基板の面上に提供され、
前記曲率半径が最も小さい地点は、前記第n領域に位置する、発光装置。 - 前記レンズ部の中心を通過する断面視において、前記レンズ部の中心を前記ベースの上面に投影した点を基準にしたとき、前記レンズ部は、前記ベースの上面からの角度によって隣接した部分と異なる程度の勾配変化量を有する、請求項1に記載の発光装置。
- 前記レンズ部の中心を通過する断面視において、前記レンズ部をなす曲線の曲率半径は、前記ベースの上面から前記レンズ部の最上部方向に沿って減少してから増加する、請求項1に記載の発光装置。
- 前記レンズ部の中心を通過する断面視において、順次配置された三つの地点の曲率半径を第1曲率半径、第2曲率半径及び第3曲率半径としたとき、前記第2曲率半径は、前記第1曲率半径及び前記第3曲率半径より小さい、請求項1に記載の発光装置。
- 前記各発光ダイオードは90度以上の指向角を有する、請求項1に記載の発光装置。
- 互いに隣接した二つの発光ダイオード間の間隔は500μm以下である、請求項1に記載の発光装置。
- 前記各発光ダイオードはそれぞれ独立的に駆動する、請求項1に記載の発光装置。
- 前記各発光ダイオードはバーティカルタイプである、請求項1に記載の発光装置。
- 前記発光装置から出射された光のプロファイルにおいて、バレー値とピーク値との差は10%以下である、請求項1に記載の発光装置。
- 前記基板と各発光ダイオードとの間に提供された第1パッドと、
前記各発光ダイオードが配置され、光が出射される発光領域の周囲に提供される第2パッドと、をさらに含み、
前記各発光ダイオードは、前記第2パッドとワイヤボンディングされた、請求項1に記載の発光装置。 - 前記発光ダイオードは紫外線を出射する、請求項1に記載の発光装置。
- 複数個の発光装置を含み、
各発光装置は、
基板と、
前記基板上に複数個で提供され、行列状に配列された各発光ダイオードと、
前記各発光ダイオード上に提供された凸状のウィンドウであって、ベースと、前記ベースの一面から突出し、平面視において、円状を有するレンズ部と、を含み、前記各発光ダイオードから出射された光の経路を制御する前記ウィンドウと、を含み、
前記ウィンドウは、前記各発光ダイオードから出射された光の指向角が90度以下になるように下部直径の70%以下の高さを有し、
前記レンズ部の中心を通過する断面視において、前記レンズ部の中心を前記ベースの上面に投影した点を基準にして、前記レンズ部が前記ベースの上面からの角度によって順次第1領域乃至第m領域(mは3以上の整数)に分けられるとき、第n領域(1<n<m)での勾配変化量は、第n-1領域での勾配変化量及び第n+1領域での勾配変化量より大きく、
前記各発光ダイオードは、前記レンズ部の中心を通過する断面視において、両側の曲率半径が最も小さい地点の間に対応する前記基板の面上に提供され、
前記曲率半径が最も小さい地点は、前記第n領域に位置する、光照射器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020180091142A KR102613886B1 (ko) | 2018-08-06 | 2018-08-06 | 발광 장치, 및 이를 포함하는 광 조사기 |
KR10-2018-0091142 | 2018-08-06 | ||
PCT/KR2019/009763 WO2020032520A1 (ko) | 2018-08-06 | 2019-08-06 | 발광 장치, 및 이를 포함하는 광 조사기 |
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JP7478134B2 true JP7478134B2 (ja) | 2024-05-02 |
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US (3) | US11215329B2 (ja) |
EP (1) | EP3836237B1 (ja) |
JP (1) | JP7478134B2 (ja) |
KR (1) | KR102613886B1 (ja) |
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US20210180755A1 (en) | 2021-06-17 |
KR102613886B1 (ko) | 2023-12-15 |
EP3836237A1 (en) | 2021-06-16 |
WO2020032520A1 (ko) | 2020-02-13 |
EP3836237A4 (en) | 2022-05-04 |
KR20200015996A (ko) | 2020-02-14 |
US11761592B2 (en) | 2023-09-19 |
EP3836237B1 (en) | 2023-09-27 |
US20230358372A1 (en) | 2023-11-09 |
CN111244253A (zh) | 2020-06-05 |
CN111010886A (zh) | 2020-04-14 |
US11215329B2 (en) | 2022-01-04 |
EP3836237C0 (en) | 2023-09-27 |
US20220120388A1 (en) | 2022-04-21 |
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