JP6641409B2 - 面照明用レンズ及び発光モジュール - Google Patents
面照明用レンズ及び発光モジュール Download PDFInfo
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- JP6641409B2 JP6641409B2 JP2018076644A JP2018076644A JP6641409B2 JP 6641409 B2 JP6641409 B2 JP 6641409B2 JP 2018076644 A JP2018076644 A JP 2018076644A JP 2018076644 A JP2018076644 A JP 2018076644A JP 6641409 B2 JP6641409 B2 JP 6641409B2
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- 229910002601 GaN Inorganic materials 0.000 claims description 6
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052594 sapphire Inorganic materials 0.000 claims description 6
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
-
- 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
-
- 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
- F21V5/10—Refractors for light sources comprising photoluminescent material
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- 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
-
- 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
- H01L33/50—Wavelength conversion elements
-
- 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
- H01L33/58—Optical field-shaping elements
-
- 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]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0091—Scattering means in or on the semiconductor body or semiconductor body package
-
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Led Device Packages (AREA)
Description
の下で損失されやすい。
光が、少なくとも前記上面330bに入射されるようにして光の分散性を向上させることができる。
の製造工程を簡略化することができる。
のメサ(M)は、それぞれ活性層25及び第2導電型半導体層27を含む。活性層25が第1導電型半導体層23と第2導電型半導体層27との間に位置する。一方、複数のメサ(M)上にそれぞれ反射電極30が位置する。
Claims (9)
- 回路基板と、
前記回路基板上に位置する発光素子と、
前記発光素子から放出された光を分散させるレンズと、
前記回路基板に進む光を前記レンズの内部に反射させる反射シートと、
を有し、
前記レンズは、前記回路基板と向き合う下部面と、前記レンズの中心軸から外側に続く凸面と、前記下部面と前記凸面とを接続する側面部と、前記発光素子から放出された光が入射される入射面を有する凹部と、を含み、
前記凹部は、前記発光素子に近い入口から上部に行くほど傾きが減少し、
前記下部面は、前記反射シートと密着する面と、前記反射シートと密着する面に対して傾斜角10度未満の斜面を含み、
前記下部面は、前記回路基板と結合される橋部を含み、
前記発光素子は、上面と側面を覆う波長変換層を含み、
前記凹部の入口幅は、前記発光素子の幅の2倍以下であり、
前記発光素子は、前記回路基板の前記中心軸が通過する領域に実装され、かつ、前記発光素子の少なくとも一部は、前記中心軸が延びている方向において前記下部面と前記回路基板との間に位置する
発光モジュール。 - 前記レンズは、前記中心軸が通過する平らな面を含み、
前記凸面は、前記平らな面から外側に延長されて形成された面である
請求項1に記載の発光モジュール。 - 前記発光素子が含む発光ダイオードチップは、半導体積層体と前記波長変換層との間に基板を含み、前記基板の屈折率は、前記波長変換層よりも大きく、前記半導体積層体よりも小さい
請求項1または請求項2に記載の発光モジュール。 - 前記基板はサファイア基板または窒化ガリウム基板である
請求項3に記載の発光モジュール。 - 前記発光素子から前記中心軸が延びている方向に所定の距離だけ離れた地点における光の光度は、前記発光素子から前記中心軸に直交する方向に前記距離だけ離れた地点における光の光度よりも小さい
請求項1から請求項4のいずれか1項に記載の発光モジュール。 - 前記半導体積層体は、第1導電型半導体層上に互いに離隔した複数のメサを含み、
前記メサは、活性層および第2導電型半導体層を含む
請求項3に記載の発光モジュール。 - 前記複数のメサは、一側方向に互いに平行な形状を有する
請求項6に記載の発光モジュール。 - 前記メサ上に形成された反射電極を含み、
前記反射電極は、反射層およびバリア層を含む
請求項6または請求項7に記載の発光モジュール。 - 前記複数のメサと前記第1導電型半導体層を覆う下部絶縁層を含み、
前記下部絶縁層は、前記第1導電型半導体層を露出させる開口部を有する
請求項6から請求項8のいずれか1項に記載の発光モジュール。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261720105P | 2012-10-30 | 2012-10-30 | |
US61/720,105 | 2012-10-30 |
Related Parent Applications (1)
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JP2015539509A Division JP6325559B2 (ja) | 2012-10-30 | 2013-10-29 | 面照明用レンズ及び発光モジュール |
Publications (2)
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JP2018142712A JP2018142712A (ja) | 2018-09-13 |
JP6641409B2 true JP6641409B2 (ja) | 2020-02-05 |
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JP2015539509A Active JP6325559B2 (ja) | 2012-10-30 | 2013-10-29 | 面照明用レンズ及び発光モジュール |
JP2018076644A Active JP6641409B2 (ja) | 2012-10-30 | 2018-04-12 | 面照明用レンズ及び発光モジュール |
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Country Status (7)
Country | Link |
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US (3) | US9484510B2 (ja) |
EP (3) | EP4019833A1 (ja) |
JP (2) | JP6325559B2 (ja) |
KR (1) | KR102100922B1 (ja) |
CN (2) | CN104769356B (ja) |
DE (1) | DE202013012818U1 (ja) |
WO (1) | WO2014069880A1 (ja) |
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CN104769356B (zh) | 2019-04-19 |
EP2920509A4 (en) | 2016-08-10 |
JP2018142712A (ja) | 2018-09-13 |
WO2014069880A1 (en) | 2014-05-08 |
JP6325559B2 (ja) | 2018-05-16 |
EP2920509B1 (en) | 2019-09-25 |
CN110098307B (zh) | 2022-07-19 |
EP2920509A1 (en) | 2015-09-23 |
CN104769356A (zh) | 2015-07-08 |
US9851059B2 (en) | 2017-12-26 |
EP3591284A1 (en) | 2020-01-08 |
US20180119900A1 (en) | 2018-05-03 |
EP3591284B1 (en) | 2021-12-08 |
KR20150082394A (ko) | 2015-07-15 |
US20160356437A1 (en) | 2016-12-08 |
KR102100922B1 (ko) | 2020-04-16 |
JP2015533027A (ja) | 2015-11-16 |
EP4019833A1 (en) | 2022-06-29 |
US20140117394A1 (en) | 2014-05-01 |
DE202013012818U1 (de) | 2020-01-23 |
CN110098307A (zh) | 2019-08-06 |
US9484510B2 (en) | 2016-11-01 |
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