JP6720220B2 - 光学レンズ、照明モジュールおよびこれを備えたライトユニット - Google Patents
光学レンズ、照明モジュールおよびこれを備えたライトユニット Download PDFInfo
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- JP6720220B2 JP6720220B2 JP2017561365A JP2017561365A JP6720220B2 JP 6720220 B2 JP6720220 B2 JP 6720220B2 JP 2017561365 A JP2017561365 A JP 2017561365A JP 2017561365 A JP2017561365 A JP 2017561365A JP 6720220 B2 JP6720220 B2 JP 6720220B2
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- Prior art keywords
- light emitting
- circuit board
- optical lens
- light
- optical
- Prior art date
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/08—Refractors for light sources producing an asymmetric light distribution
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- 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
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- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
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- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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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- H—ELECTRICITY
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- 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
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- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
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Description
前記凹凸面は表面が粗いヘイズ面で形成されたり、散乱粒子が形成され得る。
Claims (18)
- 第1軸方向の長さが第2軸方向の長さより長い回路基板と、
前記回路基板上に第1軸方向に配列された複数の光学レンズと、
前記回路基板と前記複数の光学レンズとの間にそれぞれ配置された少なくとも一つの発光素子とを含み、
前記光学レンズは、
前記回路基板上に配置された前記発光素子の周りに入射面と、
前記入射面に入射した光を上方向に放出する第1光出射面と、
前記入射した光を側方向に放出する第2光出射面と、
前記第2光出射面の第1領域から外側に突出した側面突出部とを含み、
前記各光学レンズの側面突出部は前記回路基板の領域より外側に突出し、
前記側面突出部は、前記第2光出射面の厚さより小さい高さを有し、前記回路基板の上面より前記第1光出射面に隣接するように配置される、照明モジュール。 - 第1軸方向の長さが第2軸方向の長さより長い複数の回路基板と、
前記複数の回路基板上に第1軸方向に配列された複数の光学レンズと、
前記回路基板と前記複数の光学レンズとの間にそれぞれ配置された少なくとも一つの発光素子を含み、
前記光学レンズは、
前記回路基板上に配置された前記発光素子の周りに入射面と、
前記入射面に入射した光を上方向に放出する第1光出射面と、
前記入射した光を側方向に放出する第2光出射面と、
前記第2光出射面の第1領域から外側に突出した側面突出部を含み、
前記各光学レンズの側面突出部は前記回路基板の側面より外側に配置され、
前記複数の回路基板は前記第2軸方向に配列された第1および第2回路基板を含み、
前記第1回路基板上に配置された光学レンズの第2光出射面と前記第2回路基板上に配置された光学レンズの第2光出射面の間の最小距離は、前記第1および第2回路基板のそれぞれの上に配置された光学レンズ間の最小の間隔より狭く、
前記側面突出部は、前記第2光出射面の厚さより小さい高さを有し、前記回路基板の上面より前記第1光出射面に隣接するように配置される、照明モジュール。 - 前記側面突出部の外側面に水平な直線は、前記回路基板の両側面と平行に配置される、請求項1又は請求項2に記載の照明モジュール。
- 前記複数の光学レンズの各側面突出部は、前記回路基板の第1側面および第2側面のうちいずれか一つより外側に突出し、
前記回路基板の第1および第2側面は前記第2軸方向に配置される、請求項1ないし請求項3のうちいずれか一つに記載の照明モジュール。 - 前記光学レンズは、前記回路基板の上面方向に突出した複数の支持突起を含み、
前記複数の支持突起のうち前記側面突出部に隣接した二つの支持突起を連結した線分は前記第1軸方向に配置される、請求項4に記載の照明モジュール。 - 前記光学レンズは、4個の支持突起を含み、
前記回路基板上に配置された前記光学レンズの個数と前記側面突出部の個数は同一である、請求項5に記載の照明モジュール。 - 前記複数の支持突起は、前記光学レンズの光軸から互いに同じ間隔を有する、請求項5又は請求項6に記載の照明モジュール。
- 前記複数の支持突起は、前記光学レンズの底中心と前記側面突出部の中心を過ぎる第2軸方向と前記第2軸に鉛直した第1軸方向から分割された第1ないし第4四分面にそれぞれ配置される、請求項5ないし請求項7のうちいずれか一つに記載の照明モジュール。
- 前記複数の光学レンズは、互いに直交する第1および第2軸方向に配列され、
前記光学レンズそれぞれの側面突出部は、前記第2軸方向に突出する、請求項1ないし請求項8のうちいずれか一つに記載の照明モジュール。 - 前記側面突出部の外側面は、ラフネスを有する、請求項1ないし請求項9のうちいずれか一つに記載の照明モジュール。
- 前記側面突出部の外側面の形状は、円形状または多角形状を含む、請求項1ないし請求項10のうちいずれか一つに記載の照明モジュール。
- 前記側面突出部の外側面は、前記第2光出射面の透過率より低い透過率を有する、請求項1ないし請求項11のうちいずれか一つに記載の照明モジュール。
- 前記複数の支持突起は、前記光学レンズの中心から直交する第1、2軸のうち第1軸線により近く配置される、請求項5ないし請求項8のうちいずれか一つに記載の照明モジュール。
- 前記各光学レンズの側面突出部は、前記回路基板の第1または第2側面方向に突出した第1側面突出部または第2側面突出部であり、
前記回路基板で前記第1側面突出部と第2側面突出部との間の比率の差は0%ないし100%の範囲を満足する、請求項1ないし請求項13のうちいずれか一つに記載の照明モジュール。 - 前記光学レンズは、底面から凸のリセスを含み、
前記第1光出射面は側端面が球面を有し、
前記第2光出射面は側端面が非球面を有する、請求項1ないし請求項14のうちいずれか一つに記載の照明モジュール。 - 前記リセスは、前記第1光出射面の頂点と前記底面との間の距離の80%以上の深さを有し、
前記第1光出射面の領域のうち前記リセスと垂直方向にオーバーラップした領域は前記リセスと同じ方向に凸の曲面を含み、
前記第2光出射面は、前記入射面に入射した第1光の入射角より小さい出射角を有しつつ、
前記光学レンズの底面は全反射面を含む、請求項15に記載の照明モジュール。 - 前記第1および第2回路基板間の間隔と前記第1および第2回路基板上に配置された光学レンズ間の間隔は、前記第1軸方向に漸増し、
前記回路基板上において、前記側面突出部の個数と前記光学レンズの個数は同一である、請求項2に記載の照明モジュール。 - 前記複数の回路基板のうち最外側回路基板上に配置された光学レンズは、側面突出部が互いに反対側方向に突出し、
前記光学レンズは、前記回路基板に突出した複数の支持突起を含み、
前記複数の支持突起のうち前記側面突出部に隣接したいずれか一つは他の支持突起の形状と異なる形状を有する、請求項2または17に記載の照明モジュール。
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