WO2003107063A1 - Optische linse mit weichzeicheneffekt - Google Patents
Optische linse mit weichzeicheneffekt Download PDFInfo
- Publication number
- WO2003107063A1 WO2003107063A1 PCT/EP2003/004718 EP0304718W WO03107063A1 WO 2003107063 A1 WO2003107063 A1 WO 2003107063A1 EP 0304718 W EP0304718 W EP 0304718W WO 03107063 A1 WO03107063 A1 WO 03107063A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- fine structure
- optical lens
- optical
- roughness
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/20—Soft-focus objectives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/275—Lens surfaces, e.g. coatings or surface structures
-
- 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
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
Definitions
- the invention relates to an optically imaging lens.
- a lens primarily has the function of imaging an object from the object plane into an image plane.
- the images and the object should be similar to each other.
- Examples of such a lens from the field of motor vehicle construction are the well-known projection lenses.
- the invention is expressly not restricted to this.
- an optical lens with an embossed, wavy fine structure is proposed on its optically active surface, a wavy microstructure being embossed via this fine structure.
- the surface of the lens is, so to speak, shaped in such a way that two wavy structures overlap, the microstructure modulating the fine structure if the terms from other technical areas are used.
- a sharp light-dark boundary of a light source is mapped onto a smooth transition between light and dark. The sharpness or softness of the transition can be changed and specifically adjusted using the proposed structures.
- the structures can be provided on one or on both sides of the lens.
- the roughness of the fine structure will generally be higher than that of the micro structure. There is a particularly favorable range for the roughness of the fine structure in the range from 1 to 10 ⁇ m.
- Both structures are structures permanently incorporated into the material of the lens.
- the structures are particularly preferably provided on the aspherical side of the lens if it is designed as such.
- An embodiment is particularly preferred in which the fine structure radially outwards starting from the optical axis of the lens runs. This is particularly preferred if emphasis is placed on rotational symmetry in the case of the imaging lens.
- An embodiment is also particularly preferred in which the microstructure overlying the fine structure is arranged concentrically around the optical axis of the lens.
- the fine structure and the microstructure are embossed in a surface area which runs concentrically around the optical axis of the lens. According to a preferred embodiment, this can be concentric to the optical axis on the aspherical side of the lens. The area of the lens lying within the ring will then not participate in the soft focus effect. However, this is not a problem, since this area is of little visual importance, particularly in the case of motor vehicle lenses.
- the roughness of the fine structure decreases from the optical axis of the lens to its periphery, so that its oscillation is damped to a certain extent. This ensures that less light scattering occurs outside and this allows limit values that are required by law, for example in motor vehicle construction, to be maintained with regard to the luminance.
- This can also be used in the case of only annular surface areas which are provided with the structures according to the invention in such a way that the roughness of the fine structure of the area facing the optical axis of the lens decreases toward the area facing the periphery of the lens.
- FIG. 1 shows the schematic top view of a lens
- FIG. 2 the half sagittal sectional view along the line B -
- FIG. 3 shows the damped modulation of the fine structure on the
- Figure 4 is a side view of an aspherical lens with a structured portion
- FIG. 5 shows the top view of the lens according to FIG. 4,
- Figure 6 schematically shows a sectional view along the line
- Figure 7 schematically shows the adjustable parameters of the
- FIG. 8 schematically shows the sharp imaging contours (a) without the structure according to the invention and the soft focus effect (b), which brings about a softer transition from the light to the dark boundary.
- identical reference symbols designate identical parts.
- FIG. 1 schematically shows a plan view of an aspherical lens 1.
- a sagittal section along the line B-B in FIG. 1 is shown schematically in FIG. 2.
- the fine structure 2 on the aspherical side 5 of the lens 1 can be clearly seen, whereas the plane side 6 is not finely structured.
- the aspherical side 5 is shown here with a solid line, as is the course of the fine structure 2.
- the illustrated course of the aspherical side 5 would be the ideal course of the aspherical side, which, however, is superimposed radially here by the optical axis of the lens outside fine structure 2.
- the fine structure 2 can be designed in such a way that the undulating course toward the periphery is damped, i. H. that the roughness decreases from the optical axis of the lens to the periphery of the lens.
- FIG. 3 The distance from the “zero position” of the optical axis is given in mm on the abscissa and the roughness in mm on the ordinate.
- the roughness in the area of the optical axis is approximately 3 ⁇ m, on the The periphery of the lens is approximately 1 ⁇ m, this vibration is damped to minimize stray light effects on the outer edge of the lens.
- FIG. 4 shows a schematic side view of an aspherical lens 1, from which a ring-shaped surface area 4, which can be seen in the direction of the optical axis and which carries the structures according to the invention, is provided.
- FIG. 5 shows the top view of the lens according to FIG. 4.
- FIG. 6 is a schematic sectional view along the line AA in FIG FIG. 5. Another structure can be seen, namely the micro structure 3, which is superimposed on the fine structure 2 according to FIG. 2 and FIG. 3.
- the vibration range d is an adjustable parameter.
- a particularly preferred range for d is 0.2-0.5 mm.
- the roughness h of the microstructure is preferably between 0.5-2.5 ⁇ m.
- the radius R is preferably 2-10 mm.
- FIG. 8 a shows a sharp imaging contour of a light-dark boundary. This is undesirable, for example, when used in the automotive sector as a lens in a low-beam headlamp.
- the lens according to the invention smoothes the transition, as can be seen from FIG.
- the previously sharp imaging contour becomes softer, which in the case of a low beam means that the areas around the imaging limit are illuminated much more softly.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lenses (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003227720A AU2003227720A1 (en) | 2002-06-14 | 2003-05-06 | Optical lens with soft-focus effect |
EP03725153A EP1514148B1 (de) | 2002-06-14 | 2003-05-06 | Optische linse mit weichzeicheneffekt |
US10/517,418 US7139133B2 (en) | 2002-06-14 | 2003-05-06 | Optical lens soft-focus effect |
JP2004513822A JP4223475B2 (ja) | 2002-06-14 | 2003-05-06 | 軟焦点効果を有する光学レンズ |
DE50308922T DE50308922D1 (de) | 2002-06-14 | 2003-05-06 | Optische linse mit weichzeicheneffekt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10226471A DE10226471B4 (de) | 2002-06-14 | 2002-06-14 | Optische Linse mit Weichzeicheneffekt |
DE10226471.6 | 2002-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003107063A1 true WO2003107063A1 (de) | 2003-12-24 |
Family
ID=29723159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/004718 WO2003107063A1 (de) | 2002-06-14 | 2003-05-06 | Optische linse mit weichzeicheneffekt |
Country Status (8)
Country | Link |
---|---|
US (1) | US7139133B2 (de) |
EP (1) | EP1514148B1 (de) |
JP (1) | JP4223475B2 (de) |
KR (1) | KR100712831B1 (de) |
CN (1) | CN100349021C (de) |
AU (1) | AU2003227720A1 (de) |
DE (2) | DE10226471B4 (de) |
WO (1) | WO2003107063A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1584863A2 (de) * | 2004-04-08 | 2005-10-12 | Schott AG | Beleuchtungseinrichtung mit Linse und Herstellverfahren für eine solche |
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US7498558B2 (en) * | 2005-08-18 | 2009-03-03 | Raytheon Company | Scintillation hardened semi-active laser sensor |
KR100740499B1 (ko) * | 2005-12-06 | 2007-07-19 | 김강형 | 자동차 전조등용 유리렌즈 |
JP4782064B2 (ja) * | 2007-04-10 | 2011-09-28 | 株式会社小糸製作所 | 車両用灯具ユニット |
DE102007049835A1 (de) | 2007-10-18 | 2009-04-23 | Docter Optics Gmbh | Verfahren zum Herstellen einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer |
DE102007035025A1 (de) | 2007-07-26 | 2009-01-29 | Docter Optics Gmbh | Verfahren zum Herstellen einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer |
US8556482B2 (en) | 2007-07-26 | 2013-10-15 | Docter Optics Se | Method for producing a headlamp lens for a motor-vehicle headlamp |
DE102007037204B4 (de) | 2007-08-07 | 2020-11-12 | Docter Optics Se | Verfahren zum Herstellen eines optischen Linsenelementes, insbesondere einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer sowie Charge von hintereinander hergestellten Scheinwerferlinsen |
KR101002212B1 (ko) * | 2008-09-22 | 2010-12-20 | 한국과학기술원 | 미세복합형상렌즈 및 미세복합형상렌즈 제조 방법 |
US20110319717A1 (en) * | 2010-06-24 | 2011-12-29 | Amit Pascal | Optical window for in vivo imaging device |
TWI474067B (zh) * | 2010-07-19 | 2015-02-21 | Hon Hai Prec Ind Co Ltd | 鏡片及採用該鏡片的鏡頭模組 |
DE102011118277B4 (de) | 2010-12-03 | 2022-03-24 | Docter Optics Se | Scheinwerferlinse für einen Fahrzeugscheinwerfer |
CN103237683B (zh) | 2010-12-03 | 2016-11-09 | 博士光学欧洲股份公司 | 机动车 |
FR2971464B1 (fr) * | 2011-02-15 | 2014-11-28 | Valeo Vision | Unite optique pour dispositif de signalisation et/ou d'eclairage |
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JP5798881B2 (ja) * | 2011-10-24 | 2015-10-21 | スタンレー電気株式会社 | プロジェクタレンズ及びその製造方法並びにこのプロジェクタレンズを用いた自動車用ヘッドランプ |
US9599302B2 (en) | 2011-11-11 | 2017-03-21 | Docter Optics Se | Headlight lens for a vehicle headlight |
WO2013068063A1 (de) | 2011-11-11 | 2013-05-16 | Docter Optics Gmbh | Fahrzeugscheinwerfer |
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DE102012014734A1 (de) | 2012-07-26 | 2014-01-30 | Docter Optics Se | Fahrzeugscheinwerfer |
DE102012020378A1 (de) | 2012-10-18 | 2014-04-24 | Docter Optics Se | Verfahren zum Herstellen eines optischen Linsenelementes, insbesondere einer Scheinwerferlinse für einen Kraftfahrzeugscheinwerfer |
DE102012022402A1 (de) | 2012-11-16 | 2014-05-22 | Docter Optics Se | Scheinwerferlinse für einen Fahrzeugscheinwerfer |
DE112013000300B4 (de) | 2012-11-08 | 2022-09-08 | Docter Optics Se | Scheinwerferlinse für einen Fahrzeugscheinwerfer |
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DE102013001075A1 (de) | 2013-01-23 | 2014-07-24 | Docter Optics Se | Scheinwerferlinse für einen Fahrzeugscheinwerfer |
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WO2017207079A1 (de) | 2016-06-02 | 2017-12-07 | Docter Optics Se | Scheinwerferlinse für einen fahrzeugscheinwerfer |
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FR3064371B1 (fr) * | 2017-03-24 | 2022-08-12 | Valeo Vision | Dispositif optique integrant des structures optiques correctives |
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DE102018002267A1 (de) | 2018-03-20 | 2019-09-26 | Docter Optics Se | Verfahren zum Herstellen eines Automotive-Linsenelementes |
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WO2021104558A1 (de) | 2019-11-28 | 2021-06-03 | Docter Optics Se | Verfahren zur herstellung eines optischen elementes aus glas |
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DE102020107075A1 (de) | 2020-03-15 | 2021-09-16 | Docter Optics Se | Scheinwerferlinse für einen Fahrzeugscheinwerfer |
DE102020127638A1 (de) | 2020-10-20 | 2022-04-21 | Docter Optics Se | Optisches Element aus Glas |
DE102020127639A1 (de) | 2020-10-20 | 2022-04-21 | Docter Optics Se | Verfahren zur Herstellung eines optischen Elementes aus Glas |
WO2022083828A1 (de) | 2020-10-20 | 2022-04-28 | Docter Optics Se | Verfahren zur herstellung eines optischen elementes aus glas |
DE102021127924A1 (de) | 2020-11-04 | 2022-05-05 | Docter Optics Se | Verfahren zur Herstellung eines optischen Elementes aus Kunststoff |
US11708289B2 (en) | 2020-12-03 | 2023-07-25 | Docter Optics Se | Process for the production of an optical element from glass |
DE102022101728A1 (de) | 2021-02-01 | 2022-08-04 | Docter Optics Se | Verfahren zur Herstellung eines optischen Elementes aus Glas |
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DE102022100705A1 (de) | 2022-01-13 | 2023-07-13 | Docter Optics Se | Kraftfahrzeug |
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DE3602262A1 (de) * | 1985-11-07 | 1987-05-14 | Bosch Gmbh Robert | Scheinwerfer fuer abblendlicht oder nebellicht von kraftfahrzeugen |
JPH01147403A (ja) * | 1987-12-03 | 1989-06-09 | Olympus Optical Co Ltd | 成形ガラスレンズ |
JPH03122902A (ja) * | 1989-10-06 | 1991-05-24 | Koito Mfg Co Ltd | 自動車用ヘッドランプ |
DE4031352A1 (de) * | 1990-10-04 | 1992-04-09 | Bosch Gmbh Robert | Scheinwerfer fuer kraftfahrzeuge |
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2002
- 2002-06-14 DE DE10226471A patent/DE10226471B4/de not_active Withdrawn - After Issue
-
2003
- 2003-05-06 WO PCT/EP2003/004718 patent/WO2003107063A1/de active IP Right Grant
- 2003-05-06 KR KR1020047020241A patent/KR100712831B1/ko not_active IP Right Cessation
- 2003-05-06 US US10/517,418 patent/US7139133B2/en not_active Expired - Lifetime
- 2003-05-06 CN CNB038138352A patent/CN100349021C/zh not_active Expired - Fee Related
- 2003-05-06 DE DE50308922T patent/DE50308922D1/de not_active Expired - Lifetime
- 2003-05-06 AU AU2003227720A patent/AU2003227720A1/en not_active Abandoned
- 2003-05-06 EP EP03725153A patent/EP1514148B1/de not_active Revoked
- 2003-05-06 JP JP2004513822A patent/JP4223475B2/ja not_active Expired - Fee Related
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JPH01147403A (ja) * | 1987-12-03 | 1989-06-09 | Olympus Optical Co Ltd | 成形ガラスレンズ |
JPH03122902A (ja) * | 1989-10-06 | 1991-05-24 | Koito Mfg Co Ltd | 自動車用ヘッドランプ |
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Title |
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PATENT ABSTRACTS OF JAPAN vol. 013, no. 406 (P - 930) 8 September 1989 (1989-09-08) * |
PATENT ABSTRACTS OF JAPAN vol. 015, no. 325 (M - 1148) 19 August 1991 (1991-08-19) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1584863A2 (de) * | 2004-04-08 | 2005-10-12 | Schott AG | Beleuchtungseinrichtung mit Linse und Herstellverfahren für eine solche |
EP1584863A3 (de) * | 2004-04-08 | 2006-12-06 | Schott AG | Beleuchtungseinrichtung mit Linse und Herstellverfahren für eine solche |
KR101009880B1 (ko) * | 2004-04-08 | 2011-01-19 | 쇼오트 아게 | 렌즈가 구비된 라이팅 장치 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
DE10226471A1 (de) | 2004-01-15 |
CN100349021C (zh) | 2007-11-14 |
US7139133B2 (en) | 2006-11-21 |
KR20050077258A (ko) | 2005-08-01 |
DE10226471B4 (de) | 2007-03-22 |
JP2005534951A (ja) | 2005-11-17 |
KR100712831B1 (ko) | 2007-05-02 |
US20050200976A1 (en) | 2005-09-15 |
AU2003227720A1 (en) | 2003-12-31 |
EP1514148A1 (de) | 2005-03-16 |
JP4223475B2 (ja) | 2009-02-12 |
CN1662837A (zh) | 2005-08-31 |
EP1514148B1 (de) | 2008-01-02 |
DE50308922D1 (de) | 2008-02-14 |
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