KR100849827B1 - 초소형 촬상 광학계 - Google Patents
초소형 촬상 광학계 Download PDFInfo
- Publication number
- KR100849827B1 KR100849827B1 KR1020070012011A KR20070012011A KR100849827B1 KR 100849827 B1 KR100849827 B1 KR 100849827B1 KR 1020070012011 A KR1020070012011 A KR 1020070012011A KR 20070012011 A KR20070012011 A KR 20070012011A KR 100849827 B1 KR100849827 B1 KR 100849827B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- optical system
- refractive power
- lenses
- image
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 5
- 238000003384 imaging method Methods 0.000 claims description 15
- 230000014509 gene expression Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000004075 alteration Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/004—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having four lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
-
- 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
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +
- G02B9/38—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being meniscus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
제1 실시예 | 제2 실시예 | |
조건식 1 | 27.38 | 23.42 |
조건식 2 | 27.3 | 27.3 |
Claims (5)
- 물체측으로부터 상면 전방까지 순서대로 배치되는,양의 굴절력을 갖는 제1 렌즈;음의 굴절력을 가지며 상측 면이 상측으로 오목한 제2 렌즈;음의 굴절력을 갖는 제3 렌즈; 및양의 굴절력을 갖는 제4 렌즈를 포함하며, 상기 제2 렌즈 및 상기 제3 렌즈는 플린트 계열의 물질로 구성되고 각각 하기 조건식 1 및 조건식 2를 만족하며, 상기 제1 렌즈의 물체측 전방에 개구 조리개가 구비되는 것을 특징으로 하는 초소형 촬상 광학계.[조건식 1] 20 < V2 < 50[조건식 2] 20 < V3 < 30(V2: 상기 제2 렌즈의 아베수(Abbe number), V3: 상기 제3 렌즈의 아베수)
- 제1항에 있어서,상기 제1 렌즈, 제3 렌즈 및 제4 렌즈 각각은 적어도 한면이 비구면인 것을 특징으로 하는 초소형 촬상 광학계.
- 제1항 또는 제2항에 있어서,상기 제1 렌즈, 제3 렌즈 및 제4 렌즈는 플라스틱 렌즈이며, 상기 제2 렌즈는 글라스 렌즈인 것을 특징으로 하는 초소형 촬상 광학계.
- 제1항 또는 제2항에 있어서,상기 제1 내지 제4 렌즈는 플라스틱 렌즈인 것을 특징으로 하는 초소형 촬상 광학계.
- 삭제
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070012011A KR100849827B1 (ko) | 2007-02-06 | 2007-02-06 | 초소형 촬상 광학계 |
US12/003,949 US7777973B2 (en) | 2007-02-06 | 2008-01-03 | Subminiature imaging optical system |
GB0800577A GB2446489B (en) | 2007-02-06 | 2008-01-14 | Subminiature imaging optical system |
CN2008100041453A CN101241226B (zh) | 2007-02-06 | 2008-01-18 | 微型成像光学系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070012011A KR100849827B1 (ko) | 2007-02-06 | 2007-02-06 | 초소형 촬상 광학계 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100849827B1 true KR100849827B1 (ko) | 2008-07-31 |
Family
ID=39144864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070012011A KR100849827B1 (ko) | 2007-02-06 | 2007-02-06 | 초소형 촬상 광학계 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7777973B2 (ko) |
KR (1) | KR100849827B1 (ko) |
CN (1) | CN101241226B (ko) |
GB (1) | GB2446489B (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100843471B1 (ko) * | 2007-03-13 | 2008-07-03 | 삼성전기주식회사 | 초소형 촬상 광학계 |
US7961365B2 (en) * | 2007-05-10 | 2011-06-14 | Ricoh Company, Ltd. | Image reading apparatus and image forming apparatus |
KR101056438B1 (ko) * | 2008-12-05 | 2011-08-11 | 삼성에스디아이 주식회사 | 디스플레이 패널 및 광학 필터 |
TWI382199B (zh) * | 2008-12-16 | 2013-01-11 | Largan Precision Co Ltd | 攝像用透鏡組 |
CN102436057B (zh) * | 2009-01-14 | 2014-04-23 | 大立光电股份有限公司 | 摄像用透镜组 |
CN101776788B (zh) * | 2009-01-14 | 2012-02-15 | 大立光电股份有限公司 | 摄像用透镜组 |
TWI395990B (zh) * | 2009-05-11 | 2013-05-11 | Largan Precision Co Ltd | 攝影用透鏡組 |
CN102033291B (zh) * | 2009-09-29 | 2012-10-03 | 大立光电股份有限公司 | 摄影用透镜组 |
JP5526303B2 (ja) * | 2009-10-22 | 2014-06-18 | 株式会社オプトロジック | 撮像レンズ |
US9223118B2 (en) * | 2013-10-31 | 2015-12-29 | Apple Inc. | Small form factor telephoto camera |
US9274311B2 (en) * | 2014-01-13 | 2016-03-01 | Genius Electronic Optical Co., Ltd. | Compact narrow field of view lenses for mobile devices |
TWI620968B (zh) * | 2016-12-15 | 2018-04-11 | 大立光電股份有限公司 | 光學攝像鏡片系統、取像裝置及電子裝置 |
DE102019121122A1 (de) | 2019-08-05 | 2021-02-11 | Leica Camera Ag | Fotografisches Objektiv |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08327899A (ja) * | 1995-06-02 | 1996-12-13 | Ricoh Co Ltd | 原稿読取用レンズ |
KR20010082865A (ko) * | 2000-02-22 | 2001-08-31 | 박원희 | 광학계 |
JP2002031755A (ja) | 1999-11-29 | 2002-01-31 | Canon Inc | 光学系及び原稿読取装置 |
JP2006064940A (ja) | 2004-08-26 | 2006-03-09 | Canon Inc | 原稿読取レンズ及びそれを用いた原稿読取装置 |
JP2006201571A (ja) | 2005-01-21 | 2006-08-03 | Canon Inc | 画像読取用レンズ及びそれを用いた画像読取装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01211712A (ja) * | 1988-02-19 | 1989-08-24 | Asahi Optical Co Ltd | ソフトフォーカスレンズ |
US5825556A (en) * | 1996-09-30 | 1998-10-20 | Eastman Kodak Company | Zoom lens |
JP2005134486A (ja) * | 2003-10-28 | 2005-05-26 | Ricoh Co Ltd | カラー画像読取レンズ、カラー画像読取レンズユニット、カラー画像読取装置および画像形成装置 |
KR100703469B1 (ko) * | 2005-07-07 | 2007-04-03 | 삼성전자주식회사 | 촬상용 광학계 |
KR100691624B1 (ko) * | 2006-02-15 | 2007-03-12 | 삼성전기주식회사 | 초소형 촬상 광학계 |
-
2007
- 2007-02-06 KR KR1020070012011A patent/KR100849827B1/ko active IP Right Grant
-
2008
- 2008-01-03 US US12/003,949 patent/US7777973B2/en active Active
- 2008-01-14 GB GB0800577A patent/GB2446489B/en active Active
- 2008-01-18 CN CN2008100041453A patent/CN101241226B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08327899A (ja) * | 1995-06-02 | 1996-12-13 | Ricoh Co Ltd | 原稿読取用レンズ |
JP2002031755A (ja) | 1999-11-29 | 2002-01-31 | Canon Inc | 光学系及び原稿読取装置 |
KR20010082865A (ko) * | 2000-02-22 | 2001-08-31 | 박원희 | 광학계 |
JP2006064940A (ja) | 2004-08-26 | 2006-03-09 | Canon Inc | 原稿読取レンズ及びそれを用いた原稿読取装置 |
JP2006201571A (ja) | 2005-01-21 | 2006-08-03 | Canon Inc | 画像読取用レンズ及びそれを用いた画像読取装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101241226A (zh) | 2008-08-13 |
GB0800577D0 (en) | 2008-02-20 |
CN101241226B (zh) | 2010-12-08 |
US7777973B2 (en) | 2010-08-17 |
GB2446489A (en) | 2008-08-13 |
US20080186594A1 (en) | 2008-08-07 |
GB2446489B (en) | 2011-08-31 |
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