WO2016193074A1 - Optoelektronisches bauelement mit einer strahlungsquelle - Google Patents
Optoelektronisches bauelement mit einer strahlungsquelle Download PDFInfo
- Publication number
- WO2016193074A1 WO2016193074A1 PCT/EP2016/061724 EP2016061724W WO2016193074A1 WO 2016193074 A1 WO2016193074 A1 WO 2016193074A1 EP 2016061724 W EP2016061724 W EP 2016061724W WO 2016193074 A1 WO2016193074 A1 WO 2016193074A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- reflector
- radiation source
- radiation
- component according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
Definitions
- the invention relates to an optoelectronic component having a radiation source according to claim 1.
- An object of the present invention is to provide an improved optoelectronic device. This object is achieved by the optoelectronic component ge ⁇ Gurss claim. 1
- the optoelectronic component comprises at least one Strah ⁇ radiation source, a reflector and a lens.
- the lens has a conical first side surface, which is the
- the cone-shaped first Be ⁇ ten Design is at least partially surrounded by the reflector.
- an improved beam control of the electro-magnetic radiation is sufficient ⁇ replaced by the reflector and the lens.
- the component and the reflector can be formed with a lower height.
- An advantage of the proposed device is that intrinsic losses are reduced.
- the first side surface is completely conical workedbil ⁇ det. This allows a simple construction of the lens.
- the reflector surrounds the radiation source ringför ⁇ mig.
- the reflector defines a radiation opening of the optoelectronic component.
- the first side surface of the lens is formed in such a way that the first side surface covering we ⁇ ilias 80% of the radiation opening. In this way efficient beam shaping is achieved.
- the first side surface covers at least 90% of the emission opening of the reflector. It is thereby achieved that a greater percentage of the electromagnetic radiation is passed over the first side surface of the lens. Thus, an overall improved beam shaping is achieved.
- the lens at least partially has a convex surface on a second side surface disposed opposite to the first side surface. In this way, an improved beam guidance is achieved.
- the reflector is formed on an inner side of a housing, wherein the lens rests on a side surface of the housing.
- the lens has on the second side surface a Fresnel structure for beam shaping of the electromagnetic radiation.
- the first side surface of the lens has a truncated cone shape.
- partial surfaces of the first side surface may also be convex or concave.
- the reflector has a first concave portion and a second convex portion.
- a cross section of the first section tapers in the direction of the radiation source and, moreover, a cross section of the second section tapers in FIG
- the second side surface of the lens has a circumferential groove. This can be an improved
- Beam guidance can be achieved in the coupling of the radiation from the lens.
- the second side surface of the lens has a central recess.
- the second recess can also improve the beam guidance during the coupling-out of the radiation.
- FIG. 7 shows a cross section through a fifth embodiment of an optoelectronic component
- Fig. 8 is a schematic perspective view of the fifth embodiment.
- Fig. 1 is a schematic representation of a cross sections showing tes an optoelectronic component 10.
- the opto-electro ⁇ African device 10 comprises a radiation source 1, the electromagnetic radiation on a radiation face 4 from ⁇ are.
- the radiation source 1 may be formed, for example, in the form ei ⁇ ner light emitting diode.
- the radiation source 1 may be in the form of a laser diode.
- the device 10 is on the emission side 4 surrounded by a Re ⁇ Flektor. 2
- the reflector 2 limits in the illustrated embodiment, a blasting chamber 6, via which the electromagnetic radiation of the radiation source 1 is discharged, funnel-shaped.
- the reflector 2 is formed on an inner side 20 of a Ge ⁇ housing 5.
- the housing 5 may be formed from a plastic, wherein the inner side 20 is covered with a reflection ⁇ layer, which forms the reflector 2.
- the component 10 is applied to a carrier 21 (eg PCB or ceramic).
- the housing 50 is fixed to the carrier 21 with a side surface.
- the radiation source 1 projects into the through opening of the housing 5, which represents the blasting chamber 6.
- the reflector 2 is formed in the illustrated example rotationally symmetrical to a central axis 11.
- the reflector 2 is formed trichterför ⁇ mig and limited in the emission direction in an end portion of an opening area 12 which is arranged perpendicular to the tenachse 11 with ⁇ .
- the reflector 2 has, for example ⁇ an open space or a parabolic shape to deflect the electromagnetic radiation in the desired beam direction.
- the emission side 4 of the radiation source 1 is arranged centrally with respect to the center axis 11.
- a lens 3 which projects at least partially into the emission space 6 with a first side surface 7.
- the first side surface 7 is formed rotationally symmetrical to the center axis 11.
- the first side surface 7 of the lens 3 is covered at least 80%, in particular, cover at least 90% of the opening ⁇ surface 12 of the reflector. 2
- the lens 3 is connected to a plate member 9 which rests on a second side surface 22 of the housing 5.
- the plate part 9 represents at least one Randbe ⁇ rich of the lens 3, which rests on the second side surface 22 of the housing 5.
- the opening surface 12 of the reflector 2 is completely covered with the lens 3 and the plate member 9.
- the lens 3 may comprise the plate part 9, that is to say be formed integrally with the plate part 9 in a unitary manner.
- the lens 3 and the plate member 9 may also be formed in two parts and made of different materials, wherein the lens 3 is attached to the plate 9 ⁇ eil.
- the lens 3 and the plate member 9 may for example be formed of glass, silicone and / or plastic such as epoxy.
- the emission side 4 may have an area of, for example, 0.75 ⁇ 0.75 mm 2 .
- the opening surface 12 of the reflector 2 for example, have a diameter of 3 mm.
- the housing 5 may have a thickness parallel to the center axis 11 in the range of 0.5 to 3 mm.
- the electromagnetic radiation may be, for example, infrared light or visible light.
- Fig. 2 shows a schematic perspective view of the lens 3, which is in the illustrated matterssbei ⁇ game in one piece and einstofflich formed with the plate member 9.
- the first side surface 7 tapers toward a tip 13 in an end region.
- the lens 3 may have on the first side surface 7 small Krüm ⁇ ments or curvature sections.
- the lens 3 shows, in a schematic cross-section, a further embodiment of a lens 3 in which the first side surface 7 is frusto-conical and merges into a plane surface 14 in an end region.
- the surface 14 is arranged perpendicular to a center axis 11.
- the lens 3 is rotati ⁇ onssymmetrisch to the center axis 11 is formed.
- the lens 3 in the transition region between the first side surface 7 and the flat surface of the plate part 9, the lens 3 may have a transitional rich 17 having a different inclination relative to the center axis than the first side surface 7.
- the transition region 17 may be curved convex or concave.
- the transition region 17 may be disposed parallel to the center axis 11 and a cylindrical shape aufwei ⁇ sen.
- FIG. 4 shows a schematic illustration of a further embodiment of a lens 3 in which, for example, annular sections of the first side face 15, 16 are convex or concave.
- the lens 3 of FIG. 4 is formed rotationally symmetrical to the central axis 11.
- the lens 3 in the transition region between the first side surface 7 and the flat surface of the plate member 9 may have a transition region 17 having a different inclination relative to the center axis than the first side surface 7.
- the transition region 17 may be curved convexly or concavely.
- transition region 17 may be arranged parallel to the center axis 11 and have a cylindrical shape.
- the second side surface 8 of the lens 3 which is disposed opposite to the first side surface 7 may have for each of ⁇ guide the lens 3, regardless of the shape of the first side surface 7 of various shapes.
- the second side surface 8 may be flat, convex, concave or in the form of a Fresnel or microprism structure.
- FIG. 5 shows in a schematic cross-section an optoelectronic component 10 with a lens 3, in which the second side face 8 is convex in a circular center region 23 and is formed in an outer radial annular edge region 24 in the form of a conical part.
- the second side surface 8 may be formed according to the desired beam guidance.
- Fig. 6 is a view of the opening surface 12 of the reflector 2.
- ⁇ schematically drawn a ⁇ which is projected into the plane of the opening surface 12 an effective area 18 of the first side surface 7 in a schematic representation.
- the overlap may, for example in loading ⁇ range between 80% or 90% or more.
- Fig. 7 shows a schematic cross-section through a further embodiment of an optoelectronic component 10 comprising a support 21 on which a radiation source 1 is angeord ⁇ net.
- the radiation source 1 is surrounded by a reflector 2 ⁇ , which is formed on an inner wall of a housing 5. On the housing 5, a lens 3 is arranged.
- the Re ⁇ Flektor 2 has a rotationally symmetrical shape with respect to the central axis. 11 2
- the reflector has cross-on ⁇ section through the center axis 11 from a first concave ⁇ section 25 and a second convex portion 26th
- the first concave portion 25 starts from an upper edge region 35 and extends in the direction of the radiation source 1.
- an annular reversal line 27 which defines a vertical plane to the center axis 11, the concave Ab ⁇ section 25 in the convex portion 26 via.
- the reverse line 27 is located approximately in a middle of the height of the reflector 2 related to the center axis 11.
- An opening area of the kon ⁇ Vexen portion 26 tapers towards a lower end portion 36 at the height of the radiation source 1 to a smallest opening area.
- the opening surface of the reflector 2 tapers along the center axis 11, starting from the upper end region 35 steadily in the direction of the lower end region 36.
- the reflector 2 in cross-section substantially an S-shape.
- the lens 3 has a first side surface 7, which is formed Rotati ⁇ onssymmetrisch to the center axis 11 and tapers conically in the direction of the radiation source. 1
- the first side surface 7 is the radiation source 1 facing ⁇ .
- a circumferential annular groove 28 is introduced in an edge region 24.
- the groove 28 has an inner surface 29 and an outer surface 30.
- the inner surface 29 is inclined inwardly and the outer surface 30 is inclined outwardly with respect to the center axis 11.
- the groove 28 is arranged in the execution reasonable ⁇ for example with a view from above of the reflector 2 outside the opening surface of the reflector 2 in the upper end region of the 35th As shown in Fig. 6 can be seen, may be formed of manufacturing 7 establish the first side surface does not cover the entire opening ⁇ surface 12 of the reflector, but only a sectionflä ⁇ surface 18.
- the groove 28 and in particular the inner surface 29 serve to deflect this radiation in the direction of the center axis 11. As a result, the radiation is increased in the direction of the desired emission direction.
- the groove 28 may also be arranged within the opening area of the reflector 2.
- the lens 3 may be formed in one piece or in two parts in the form of plates 32, 33.
- the two plates 32, 33 may be arranged perpendicular to the center axis 11, wherein the first plate 32, the first side surface 7 and the second plate 33 has the second side surface 8.
- the groove 28 and the recess 31 improve the focus on the desired emission direction.
- the lens 3 can only have the groove 28 or only the recess. mung 31 have.
- the reflector 2 shown in Fig. 7 can also be combined with the lenses of the preceding figures.
- the lens 3 shown in FIG. 7 can also be combined with the reflectors of the preceding figures.
- the lens 3 has a square shape in the region of the second side surface 8.
- the lens 3 may also have a circular shape in the region of the side surface 8.
- a basic idea of the present embodiments of the optoelectronic component 10 is that electro ⁇ magnetic radiation impinging directly on the first side surface 7 of the lens 3, refracted towards the optical axis and then through a further optical element, for example a convex second side surface or a second lens is further crushed in a second step in the optical axis direction ⁇ .
- the reflected from the first side surface 7 of the lens 3 electromagnetic
- the reflector 2 Radiation reflected to the outside on the reflector 2. Starting from the reflector 2, the reflected rays are reflected back toward the first side surface 7 of the lens 3. The light reflected by the reflector 2 ⁇ specific electromagnetic radiation is further refracted by the conical shape of the first side surface 7 of the lens 3 uniformly in the direction of the operating tables axis. Therefore, the reflector can be flatter, ie shorter in the beam direction. This allows a very flat reflector design that achieves high beam intensities or narrow-angle radiation of the electromagnetic radiation. As a result, improved efficiency is achieved due to the lower optical losses. In addition, the proportion of electromagnetic radiation that is not deflected onto the optical axis is redu ⁇ sheet.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
- Lenses (AREA)
- Led Device Packages (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201680031392.5A CN107646145B (zh) | 2015-05-29 | 2016-05-24 | 具有辐射源的光电子组件 |
| DE112016002421.5T DE112016002421B4 (de) | 2015-05-29 | 2016-05-24 | Optoelektronisches bauelement mit einer strahlungsquelle |
| US15/577,907 US10175465B2 (en) | 2015-05-29 | 2016-05-24 | Optoelectronic component having a radiation source |
| JP2017559355A JP6680803B2 (ja) | 2015-05-29 | 2016-05-24 | オプトエレクトロニクス部品 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015108499.6 | 2015-05-29 | ||
| DE102015108499.6A DE102015108499A1 (de) | 2015-05-29 | 2015-05-29 | Optoelektronisches Bauelement mit einer Strahlungsquelle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016193074A1 true WO2016193074A1 (de) | 2016-12-08 |
Family
ID=56097087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2016/061724 Ceased WO2016193074A1 (de) | 2015-05-29 | 2016-05-24 | Optoelektronisches bauelement mit einer strahlungsquelle |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10175465B2 (de) |
| JP (1) | JP6680803B2 (de) |
| CN (1) | CN107646145B (de) |
| DE (2) | DE102015108499A1 (de) |
| TW (1) | TWI597871B (de) |
| WO (1) | WO2016193074A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017130779A1 (de) * | 2017-08-11 | 2019-02-14 | Osram Opto Semiconductors Gmbh | Optoelektronisches Halbleiterbauteil und biometrischer Sensor |
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| WO1996013943A1 (en) * | 1994-11-01 | 1996-05-09 | Raychem Corporation | Hole eliminator for lamp with reflector |
| US20030067264A1 (en) * | 2001-10-09 | 2003-04-10 | Agilent Technologies, Inc. | Light-emitting diode and method for its production |
| JP2004253477A (ja) * | 2003-02-18 | 2004-09-09 | Stanley Electric Co Ltd | 発光ダイオードアレイ光源 |
| EP2078973A1 (de) * | 2008-01-10 | 2009-07-15 | Wookang Tech. Co., Ltd. | Stangenförmige LED-Beleuchtungsvorrichtung |
| WO2011024641A1 (ja) * | 2009-08-25 | 2011-03-03 | 日東光学株式会社 | 光学素子および発光装置 |
| WO2014091076A1 (en) * | 2012-12-12 | 2014-06-19 | Ledil Oy | An optical surface, lens, reflector, optical arrangement and illuminator |
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| US6860960B1 (en) * | 2000-09-05 | 2005-03-01 | Scimed Life Systems, Inc. | Method of applying a laser beam around the circumference of a catheter |
| EP1364157B1 (de) | 2001-02-23 | 2010-05-19 | Koninklijke Philips Electronics N.V. | Leuchte |
| US6641284B2 (en) * | 2002-02-21 | 2003-11-04 | Whelen Engineering Company, Inc. | LED light assembly |
| JP4288481B2 (ja) * | 2003-10-02 | 2009-07-01 | シチズン電子株式会社 | 発光ダイオード |
| JP2005174693A (ja) * | 2003-12-10 | 2005-06-30 | Okaya Electric Ind Co Ltd | 発光素子用レンズ |
| JP2005268166A (ja) | 2004-03-22 | 2005-09-29 | Okaya Electric Ind Co Ltd | 表示ランプ |
| JP2007102139A (ja) | 2004-12-03 | 2007-04-19 | Sony Corp | 光取出しレンズ、発光素子組立体、面状光源装置、及び、カラー液晶表示装置組立体 |
| KR100788426B1 (ko) * | 2005-11-19 | 2007-12-24 | 삼성전자주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치 |
| JP2007173561A (ja) | 2005-12-22 | 2007-07-05 | Matsushita Electric Works Ltd | 発光装置の製造方法 |
| TW200735413A (en) * | 2006-03-01 | 2007-09-16 | Elit Fine Ceramics Co Ltd | Manufacturing method of reflector cover of light emitting diode and their structure and light emitting diode installing apparatus based on the reflector cover |
| DE102006015335B4 (de) | 2006-04-03 | 2013-05-02 | Ivoclar Vivadent Ag | Halbleiter-Strahlungsquelle sowie Lichthärtgerät |
| DE102007007258A1 (de) | 2007-02-14 | 2008-08-28 | Noctron Holding S.A. | Leuchtmittel |
| JP5442342B2 (ja) | 2009-07-10 | 2014-03-12 | 株式会社テンマック | 観賞用透明ブロックおよびその製造方法 |
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| US8602605B2 (en) * | 2010-01-07 | 2013-12-10 | Seoul Semiconductor Co., Ltd. | Aspherical LED lens and light emitting device including the same |
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| JPWO2012049854A1 (ja) * | 2010-10-14 | 2014-02-24 | パナソニック株式会社 | 発光装置及びこれを用いた面光源装置 |
| WO2012060319A1 (ja) | 2010-11-04 | 2012-05-10 | コニカミノルタオプト株式会社 | 光学素子及び照明装置 |
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| WO2014045850A1 (ja) * | 2012-09-19 | 2014-03-27 | コニカミノルタ株式会社 | 光通信用のレンズ及び光通信モジュール |
| TWI582343B (zh) * | 2013-07-26 | 2017-05-11 | 鴻海精密工業股份有限公司 | 透鏡以及應用該透鏡之光源模組 |
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2015
- 2015-05-29 DE DE102015108499.6A patent/DE102015108499A1/de not_active Withdrawn
-
2016
- 2016-05-24 JP JP2017559355A patent/JP6680803B2/ja active Active
- 2016-05-24 US US15/577,907 patent/US10175465B2/en active Active
- 2016-05-24 WO PCT/EP2016/061724 patent/WO2016193074A1/de not_active Ceased
- 2016-05-24 CN CN201680031392.5A patent/CN107646145B/zh active Active
- 2016-05-24 DE DE112016002421.5T patent/DE112016002421B4/de active Active
- 2016-05-26 TW TW105116378A patent/TWI597871B/zh active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996013943A1 (en) * | 1994-11-01 | 1996-05-09 | Raychem Corporation | Hole eliminator for lamp with reflector |
| US20030067264A1 (en) * | 2001-10-09 | 2003-04-10 | Agilent Technologies, Inc. | Light-emitting diode and method for its production |
| JP2004253477A (ja) * | 2003-02-18 | 2004-09-09 | Stanley Electric Co Ltd | 発光ダイオードアレイ光源 |
| EP2078973A1 (de) * | 2008-01-10 | 2009-07-15 | Wookang Tech. Co., Ltd. | Stangenförmige LED-Beleuchtungsvorrichtung |
| WO2011024641A1 (ja) * | 2009-08-25 | 2011-03-03 | 日東光学株式会社 | 光学素子および発光装置 |
| WO2014091076A1 (en) * | 2012-12-12 | 2014-06-19 | Ledil Oy | An optical surface, lens, reflector, optical arrangement and illuminator |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180164559A1 (en) | 2018-06-14 |
| JP2018517292A (ja) | 2018-06-28 |
| CN107646145B (zh) | 2020-06-30 |
| DE112016002421B4 (de) | 2022-03-31 |
| DE102015108499A1 (de) | 2016-12-01 |
| TWI597871B (zh) | 2017-09-01 |
| US10175465B2 (en) | 2019-01-08 |
| TW201703292A (zh) | 2017-01-16 |
| JP6680803B2 (ja) | 2020-04-15 |
| DE112016002421A5 (de) | 2018-03-08 |
| CN107646145A (zh) | 2018-01-30 |
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