WO2006049238A1 - レンズユニット - Google Patents
レンズユニット Download PDFInfo
- Publication number
- WO2006049238A1 WO2006049238A1 PCT/JP2005/020272 JP2005020272W WO2006049238A1 WO 2006049238 A1 WO2006049238 A1 WO 2006049238A1 JP 2005020272 W JP2005020272 W JP 2005020272W WO 2006049238 A1 WO2006049238 A1 WO 2006049238A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- hole
- lens unit
- press
- outer peripheral
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
Definitions
- the present invention relates to a lens unit in which a plurality of lenses are press-fitted and fixed in a lens barrel.
- a lens unit attached additionally to the original telephone function like a camera-equipped mobile phone is, as shown in FIG. 6, a lens relative to a lens barrel 1 for attachment to a main device. 2a, 2b, and 2c are integrated.
- a lens unit according to the present invention comprises a lens barrel having a through hole, a first lens press-fitted into the through hole, and an outer peripheral end of the first lens locked in the through hole. And the diameter of the first lens is larger than that of the first lens. And a second step for locking the outer peripheral end of the second lens in the through hole.
- the third step portion or a sloped region which is expanded toward the second lens side of the first lens side cover or the second lens side. One of the two is provided.
- FIG. 2 is a cross-sectional view showing a lens unit in Embodiment 2 of the present invention.
- FIG. 4 is a detailed view showing a projection of the lens unit shown in FIG.
- FIG. 5 is a cross-sectional view showing a configuration in which an adhesive is disposed on the protrusion of the lens unit shown in FIG.
- FIG. 6 is a cross-sectional view showing a conventional lens unit.
- the lens unit of this embodiment includes a lens barrel 7 made of resin and having a through hole 6, and three lenses press-fitted and fixed in the through hole 6, that is, a first lens 8a, a second It is composed of a lens 8 b and a third lens 8 c.
- a first step 9a, a second step 9b, a third step 10a, and a fourth step 9c and a fifth step 10b are formed on the inner wall of the through hole 6. .
- each lens 8a, 8b and 8c has its insertion amount in the through hole 6 defined.
- the lens 8 b and the lens 8 c are press-fit into the through hole 6 in order from the lens 8 a having a smaller diameter with respect to the lens barrel 7.
- the distance between adjacent lenses is defined.
- a stepped portion 10a is further formed between the stepped portion 9a and the stepped portion 9b.
- a step 10b is further formed between the step 9b and the step 9c.
- the spreading stress 11 generated by the lens which is pressed in later concentrates on the stepped portion 9a which locks the lens 8a which is pressed in first. Is suppressed.
- damage to the lens barrel 7 due to the spreading stress 11 is suppressed.
- the productivity of the lens unit can be improved.
- the damage can be suppressed by providing the third step 10a between the adjacent lenses, for example, the lenses 8a and 8b, so that the thickness of the lens barrel 7 changes before and after the step 10a, and the strength thereof changes. It is the power to indulge. That is, when the lens 8b is pressed in later in a state in which the lens 8a is pressed in first, the root of the step 9a that supports the lens 8a pressed in earlier is supported by the press-in stress of the lens 8b. As such, force acts to expand the lens barrel 7. By providing the stepped portion 10a between the previous lens 8a and the subsequent lens 8b, the strength of the barrel 7 can be intentionally changed in this stepped portion.
- the expansion stress 11 caused by the subsequent pressing of the lens 8b acts to expand the lens barrel portion 31 closer to the lens 8b than the stepped portion 10a.
- the expansion stress 11 further acts to expand the lens barrel portion 33 closer to the lens 8a than the step 10a.
- the expansion stress 5 generated by press-fitting the later lens 2 b is such that all of the expansion stresses 5 lock the previous lens 2 a. Concentrate on the step 4a.
- a new step is performed between the first step portion 9a for locking the first lens 8a and the second step portion 9b for locking the second lens 8b.
- the influence of the spreading stress 11 applied to the stepped portion 9a for locking the previous lens 8a can be reduced, the shift of the optical axis 23 of the previous lens 8a due to the spreading stress 11 is also possible. It can be suppressed. Thereby, it is possible to suppress the variation of the optical characteristics due to the assembly of the lens unit.
- the ridge line portion 12a formed in the through hole 6 by the third step portion 10a may be a curved surface.
- the ridge line portion 12b formed in the through hole 6 by the fifth step portion 10b is It may be a curved surface.
- the lens unit according to the present invention forms an optical path with respect to a light beam incident on the lenses 8a, 8b, 8c disposed in the through hole 6.
- the step portions 10a and 10b in the optical path, diffuse reflection occurs in that portion, which is likely to cause flare.
- the ridge portions 12a and 12b may be curved surfaces in the step portions 10a and 10b which protrude into the through hole 6 which is a main factor of the diffuse reflection. Thereby, the irregular reflection can be effectively suppressed, and the deterioration of the optical characteristics of the lens unit can be suppressed.
- FIG. 2 is a cross-sectional view showing a lens unit in Embodiment 2 of the present invention.
- the lens unit according to the present embodiment includes a barrel having a through hole, a first lens 13a press-fitted into the through hole, and an outer peripheral end of the first lens 13a in the through hole.
- a second step portion 15b for locking the portion in the through hole.
- an inclined region 16 is provided which is expanded from the first lens 13a side to the second lens 13b side.
- the upper and lower end portions of the inclined region 16 may be made to coincide with the end portions of the first stepped portion 15a and the second stepped portion 15b.
- at least one end of the upper end or the lower end of the inclined region 16 may be a curved surface.
- FIG. 2 a first step portion 15a for locking the first lens 13a such that the thickness of the lens barrel 14 between the first lens 13a and the second lens 13b changes continuously.
- the sloped area 16 between the second lens 13 and the second step 15b for locking is sloped.
- the spreading stress can be dispersed continuously in this inclined region 16.
- the same function and effect as the third step portion 10a and the fifth step portion 10b in the first embodiment shown in FIG. 1 can be achieved.
- the inner wall shape of the through hole 6 is the same as that of the lenses 8a, 8b, 8c. It has a structure in which the entire outer peripheral side surface of the lens is brought into pressure contact with the inner wall of the through hole so as to substantially match the outer peripheral shape and press fit.
- the third embodiment as shown in FIG. 3, a plurality of protrusions projecting inward along the region 18 where the outer peripheral surfaces of the lenses 8a, 8b, 8c are in pressure contact with the inner wall of the through hole. Section 19 is provided.
- the lenses 8 a, 8 b and 8 c are pressed against the inner wall of the through hole 6 through the protrusions 19.
- the step portions 10a and 10b in the through holes 6 described above it is possible to obtain the same operation and effect as the first embodiment or the second embodiment.
- the lens unit of the present invention has the effect of enhancing its productivity, and is useful as an application of an imaging element of various electronic devices represented by a small high-performance compact digital camera, a mobile camera and the like. .
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/663,355 US7626773B2 (en) | 2004-11-08 | 2005-11-04 | Lens unit |
KR1020077005717A KR20070034137A (ko) | 2004-11-08 | 2005-11-04 | 렌즈 유닛 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004323361 | 2004-11-08 | ||
JP2004-323361 | 2004-11-08 | ||
JP2005296279A JP2006154764A (ja) | 2004-11-08 | 2005-10-11 | レンズユニット |
JP2005-296279 | 2005-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006049238A1 true WO2006049238A1 (ja) | 2006-05-11 |
Family
ID=36319238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/020272 WO2006049238A1 (ja) | 2004-11-08 | 2005-11-04 | レンズユニット |
Country Status (4)
Country | Link |
---|---|
US (1) | US7626773B2 (ja) |
JP (1) | JP2006154764A (ja) |
KR (1) | KR20070034137A (ja) |
WO (1) | WO2006049238A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101644812B (zh) * | 2008-08-08 | 2012-07-18 | 鸿富锦精密工业(深圳)有限公司 | 镜头模组及具有该镜头模组的相机模组 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101253429B (zh) * | 2005-08-30 | 2011-11-09 | 柯尼卡美能达精密光学株式会社 | 偏振片及使用该偏振片的液晶显示装置 |
JP5019830B2 (ja) * | 2006-09-20 | 2012-09-05 | オリンパスメディカルシステムズ株式会社 | 撮像ユニット及びこれを適用する内視鏡 |
JP5280677B2 (ja) * | 2007-12-28 | 2013-09-04 | パナソニック株式会社 | レンズ鏡筒 |
JP5377880B2 (ja) * | 2008-04-09 | 2013-12-25 | 日立マクセル株式会社 | レンズユニット、カメラモジュール、及びレンズユニットの製造方法 |
US8526129B2 (en) | 2008-04-09 | 2013-09-03 | Hitachi Maxell, Ltd. | Lens unit, camera module and manufacturing method of lens unit |
JP5322782B2 (ja) * | 2009-06-04 | 2013-10-23 | 日立マクセル株式会社 | レンズユニット、カメラモジュール、及びレンズユニットの製造方法 |
JP5671684B2 (ja) | 2009-08-31 | 2015-02-18 | パナソニックIpマネジメント株式会社 | レンズ鏡筒、撮像装置および携帯端末装置 |
CN102033283B (zh) * | 2009-09-28 | 2014-03-26 | 鸿富锦精密工业(深圳)有限公司 | 组合镜片及其使用的镜头模组 |
KR101053331B1 (ko) * | 2009-11-20 | 2011-08-01 | 삼성전기주식회사 | 카메라 모듈 |
JP2013174670A (ja) * | 2012-02-23 | 2013-09-05 | Olympus Corp | レンズユニット |
DE102012206252A1 (de) * | 2012-04-17 | 2013-10-17 | Robert Bosch Gmbh | Kameramodul und Verfahren zum Herstellen eines Kameramoduls |
US9557516B2 (en) * | 2013-10-07 | 2017-01-31 | Corning Incorporated | Optical systems exhibiting improved lifetime using beam shaping techniques |
WO2016140526A1 (ko) * | 2015-03-04 | 2016-09-09 | 엘지이노텍(주) | 촬상 렌즈 및 이를 포함하는 카메라 모듈 |
JP2017037137A (ja) * | 2015-08-07 | 2017-02-16 | 日立マクセル株式会社 | レンズユニットおよびカメラ |
DE102015117611A1 (de) | 2015-10-16 | 2017-04-20 | Connaught Electronics Ltd. | Linseneinrichtung für eine Kamera eines Kraftfahrzeugs mit verbessertem Klebebereich, Kamera, Kraftfahrzeug sowie Verfahren |
TWM519751U (zh) | 2015-11-09 | 2016-04-01 | 大立光電股份有限公司 | 塑膠鏡筒、鏡頭模組及電子裝置 |
CN109073850B (zh) * | 2016-03-29 | 2021-06-11 | 天津欧菲光电有限公司 | 透镜单元 |
TWM531602U (zh) | 2016-06-30 | 2016-11-01 | 大立光電股份有限公司 | 塑膠鏡筒、成像鏡頭模組及電子裝置 |
TWM529856U (zh) | 2016-06-30 | 2016-10-01 | 大立光電股份有限公司 | 環形光學元件、成像鏡頭模組及電子裝置 |
CN106094155B (zh) * | 2016-07-20 | 2018-10-30 | 瑞声科技(新加坡)有限公司 | 成像镜头 |
TWI614544B (zh) | 2016-11-04 | 2018-02-11 | 大立光電股份有限公司 | 成像鏡頭模組及電子裝置 |
US10330884B2 (en) * | 2017-02-20 | 2019-06-25 | Rosemount Aerospace Inc. | Mounting of optical elements for imaging in air vehicles |
JP6951967B2 (ja) * | 2017-12-28 | 2021-10-20 | 日本電産サンキョー株式会社 | レンズユニット及び金型の製造方法 |
TWI642967B (zh) | 2018-03-07 | 2018-12-01 | 大立光電股份有限公司 | 環形光學元件、成像鏡頭模組與電子裝置 |
US11002937B2 (en) * | 2018-03-08 | 2021-05-11 | Robert Bosch Llc | Camera lens assembly |
TWI691782B (zh) | 2019-01-21 | 2020-04-21 | 大立光電股份有限公司 | 塑膠鏡筒、成像鏡頭模組及電子裝置 |
US11402602B2 (en) * | 2019-09-27 | 2022-08-02 | Waymo Llc | Lens retainer ring with compliant element |
JP7509550B2 (ja) | 2020-02-26 | 2024-07-02 | マクセル株式会社 | レンズユニットおよびカメラモジュール |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04166904A (ja) * | 1990-10-31 | 1992-06-12 | Olympus Optical Co Ltd | レンズ保持鏡筒 |
JP2000347088A (ja) * | 1999-03-31 | 2000-12-15 | Sony Corp | レンズホルダ、レンズホルダの製造方法、レンズホルダ製造用金型及び対物レンズ装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1932817A (en) * | 1928-12-17 | 1933-10-31 | Agfa Ansco Corp | Condenser for film-projectors |
US4586787A (en) * | 1983-07-29 | 1986-05-06 | The Perkin-Elmer Corporation | Lens assembly |
US5493452A (en) * | 1990-10-31 | 1996-02-20 | Olympus Optical Company Limited | Lens retaining barrel |
JPH04355419A (ja) | 1991-05-31 | 1992-12-09 | Asahi Optical Co Ltd | 対物レンズ |
JPH0511157A (ja) | 1991-06-28 | 1993-01-19 | Olympus Optical Co Ltd | プラスチツクレンズ鏡筒 |
JP3482547B2 (ja) | 1995-02-28 | 2003-12-22 | コニカミノルタホールディングス株式会社 | レンズ装置 |
US6594204B1 (en) | 1999-03-31 | 2003-07-15 | Sony Corporation | Lens holder, method for manufacturing lens holder, metal die for producing lens holder and objective lens device |
JP2003289457A (ja) | 2002-01-22 | 2003-10-10 | Casio Comput Co Ltd | 撮像装置 |
JP2004125966A (ja) | 2002-09-30 | 2004-04-22 | Pentax Corp | プラスチックレンズ,鏡胴及びレンズ保持構造 |
JP2004147032A (ja) | 2002-10-23 | 2004-05-20 | Citizen Electronics Co Ltd | 小型撮像モジュール |
-
2005
- 2005-10-11 JP JP2005296279A patent/JP2006154764A/ja active Pending
- 2005-11-04 WO PCT/JP2005/020272 patent/WO2006049238A1/ja active Application Filing
- 2005-11-04 KR KR1020077005717A patent/KR20070034137A/ko not_active Application Discontinuation
- 2005-11-04 US US11/663,355 patent/US7626773B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04166904A (ja) * | 1990-10-31 | 1992-06-12 | Olympus Optical Co Ltd | レンズ保持鏡筒 |
JP2000347088A (ja) * | 1999-03-31 | 2000-12-15 | Sony Corp | レンズホルダ、レンズホルダの製造方法、レンズホルダ製造用金型及び対物レンズ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101644812B (zh) * | 2008-08-08 | 2012-07-18 | 鸿富锦精密工业(深圳)有限公司 | 镜头模组及具有该镜头模组的相机模组 |
Also Published As
Publication number | Publication date |
---|---|
US20080100932A1 (en) | 2008-05-01 |
JP2006154764A (ja) | 2006-06-15 |
US7626773B2 (en) | 2009-12-01 |
KR20070034137A (ko) | 2007-03-27 |
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