JP6537793B2 - 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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- JP6537793B2 JP6537793B2 JP2014171786A JP2014171786A JP6537793B2 JP 6537793 B2 JP6537793 B2 JP 6537793B2 JP 2014171786 A JP2014171786 A JP 2014171786A JP 2014171786 A JP2014171786 A JP 2014171786A JP 6537793 B2 JP6537793 B2 JP 6537793B2
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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
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- 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
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
-
- 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
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
-
- 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
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/05—Optical design plane
-
- 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]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- 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
- H01L33/02—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 bodies
- H01L33/08—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 bodies with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Led Device Packages (AREA)
- Led Devices (AREA)
- Planar Illumination Modules (AREA)
Description
Claims (20)
- 回路基板と、
発光ダイオードチップ、及び前記発光ダイオードチップにコーティングされた波長変換層を有し、前記回路基板に実装された発光素子と、
前記発光素子から放出された光を分散させるレンズと、を含む発光モジュールであって、
前記レンズは、光が入射される入射面を定義する凹部及び前記凹部を取り囲む傾斜面を含む下部面と、前記レンズに入射された光が出射される上部面と、前記傾斜面に設けられた脚部と、を含み、
前記上部面は、上側に向かって幅が細くなる凸部と、上側に向かって幅が広くなる凹部と、を有し、
前記下部面の凹部の入射面、前記上部面の凹部、及び前記上部面の凸部のそれぞれは、前記レンズの中心軸から15°以上の位置に高さ方向に順につながる複数のセクションを含み、
前記レンズは、前記脚部により、前記回路基板から離間して配置される、発光モジュール。 - 前記複数のセクションにおいて互いに隣合うセクションは互いに異なる曲率を有する、請求項1に記載の発光モジュール。
- 前記複数のセクションは順につながる第1、第2、及び第3セクションを含み、前記第1、第2、及び第3セクションにおける前記中心軸方向の高さは、1μm以上であり、前記発光素子の幅未満である、請求項1に記載の発光モジュール。
- 前記レンズの凹部及び上部面は前記中心軸に対して回転体形状を有する、請求項1に記載の発光モジュール。
- 前記発光ダイオードチップは、前記回路基板にフリップボンディングされたフリップチップ型発光ダイオードチップであり、前記発光素子は前記レンズの凹部内に配置される、請求項1に記載の発光モジュール。
- 前記レンズの凹部の入口の幅は、前記発光素子の幅より大きく、前記発光素子の幅の3倍未満である、請求項1に記載の発光モジュール。
- 単一曲率を有する仮想基準面が前記第1、第2、及び第3セクションをそれぞれ横切る、請求項3に記載の発光モジュール。
- 前記第1、第2、及び第3セクション上の任意の地点と前記単一曲率を有する仮想基準面との間の距離は10μm以内である、請求項7に記載の発光モジュール。
- 前記上部面の凹部が前記上部面の凸部より中心軸に近く位置する、請求項1に記載の発光モジュール。
- 前記上部面の凹部のセクションが前記上部面の凸部のセクションより低い高さを有する、請求項9に記載の発光モジュール。
- 発光素子から放出された光を分散させるレンズであって、
光が入射される入射面を定義する凹部及び前記凹部を取り囲む傾斜面を含む下部面と、
前記レンズに入射された光が出射される上部面と、
前記傾斜面に設けられた脚部と、を含み、
前記上部面は、上側に向かって幅が細くなる凸部と、上側に向かって幅が広くなる凹部と、を有し、
前記下部面の凹部の入射面、前記上部面の凹部、及び前記上部面の凸部のそれぞれは、前記レンズの中心軸から15°以上の位置に高さ方向に順につながる複数のセクションを含む、レンズ。 - 前記複数のセクションにおいて互いに隣合うセクションは互いに異なる曲率を有する、請求項11に記載のレンズ。
- 前記複数のセクションは順につながる第1、第2、及び第3セクションを含み、前記第1、第2、及び第3セクションにおける前記中心軸方向の高さは、1μm以上であり、前記発光素子の幅未満である、請求項11に記載のレンズ。
- 前記レンズの凹部及び上部面は前記中心軸に対して回転体形状を有する、請求項11に記載のレンズ。
- 前記レンズの入射面は、上端面と、前記上端面から凹部の入口までつながる側面と、を含み、
前記凹部は、その入口から前記上端面まで上側に向かって幅が細くなる形状を有し、前記上端面は平坦面である、請求項11に記載のレンズ。 - 前記下部面は、前記凹部と前記傾斜面との間に前記凹部を取り囲む平坦面をさらに含む、請求項11に記載のレンズ。
- 前記上部面の凹部が前記上部面の凸部より中心軸に近く位置する、請求項11に記載のレンズ。
- 前記上部面の凹部のセクションが前記上部面の凸部のセクションより低い高さを有する、請求項17に記載のレンズ。
- 単一曲率を有する仮想基準面が前記第1、第2、及び第3セクションをそれぞれ横切る、請求項13に記載のレンズ。
- 前記第1、第2、及び第3セクション上の任意の地点と前記単一曲率を有する仮想基準面との間の距離は10μm以内である、請求項19に記載のレンズ。
Applications Claiming Priority (2)
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KR10-2013-0101191 | 2013-08-26 | ||
KR1020130101191A KR102108204B1 (ko) | 2013-08-26 | 2013-08-26 | 면 조명용 렌즈 및 발광 모듈 |
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JP2015043427A JP2015043427A (ja) | 2015-03-05 |
JP6537793B2 true JP6537793B2 (ja) | 2019-07-03 |
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US (3) | US9530947B2 (ja) |
EP (2) | EP3690509A1 (ja) |
JP (1) | JP6537793B2 (ja) |
KR (1) | KR102108204B1 (ja) |
CN (2) | CN107946445B (ja) |
Families Citing this family (33)
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CN107255258A (zh) * | 2011-07-11 | 2017-10-17 | 格莱特有限公司 | Led系统以及与卤素灯具一起使用的外壳 |
KR20130094482A (ko) | 2012-02-16 | 2013-08-26 | 서울반도체 주식회사 | 렌즈를 갖는 발광 모듈 |
KR102108204B1 (ko) * | 2013-08-26 | 2020-05-08 | 서울반도체 주식회사 | 면 조명용 렌즈 및 발광 모듈 |
KR102142388B1 (ko) * | 2014-02-06 | 2020-08-10 | 삼성디스플레이 주식회사 | Led 광원 패키지 |
JP6506999B2 (ja) | 2014-08-29 | 2019-04-24 | 株式会社エンプラス | 光束制御部材、発光装置、面光源装置および表示装置 |
EP3499302B1 (en) | 2014-12-03 | 2020-03-18 | Samsung Electronics Co., Ltd. | White light emitting device and display device using the same |
TWI711787B (zh) * | 2015-01-08 | 2020-12-01 | 韓商Lg伊諾特股份有限公司 | 光學透鏡及具有光學透鏡之發光模組 |
KR102538400B1 (ko) * | 2015-12-18 | 2023-06-01 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 광학 렌즈, 발광 모듈 및 이를 구비한 라이트 유닛 |
KR101592523B1 (ko) | 2015-04-27 | 2016-02-05 | 유준호 | 점광원의 확산렌즈 및 이를 포함하는 점광원 모듈 |
KR102374202B1 (ko) * | 2015-05-26 | 2022-03-14 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 광학 렌즈, 조명 모듈 및 이를 구비한 라이트 유닛 |
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JP2018194566A (ja) * | 2015-09-30 | 2018-12-06 | IP Labo株式会社 | 拡散レンズ及び発光装置 |
KR102486031B1 (ko) * | 2015-10-29 | 2023-01-11 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 광학렌즈 및 이를 포함하는 발광소자 패키지 |
KR101935019B1 (ko) * | 2015-11-26 | 2019-01-03 | 몰렉스 엘엘씨 | 확산 렌즈 및 이를 포함하는 발광 모듈 |
KR102558280B1 (ko) * | 2016-02-05 | 2023-07-25 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 광원 유닛 및 이를 구비한 라이트 유닛 |
JP6162280B1 (ja) * | 2016-03-09 | 2017-07-12 | 株式会社エンプラス | 発光装置および面光源装置 |
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