KR102071922B1 - 촬상 광학계 - Google Patents
촬상 광학계 Download PDFInfo
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- KR102071922B1 KR102071922B1 KR1020180008289A KR20180008289A KR102071922B1 KR 102071922 B1 KR102071922 B1 KR 102071922B1 KR 1020180008289 A KR1020180008289 A KR 1020180008289A KR 20180008289 A KR20180008289 A KR 20180008289A KR 102071922 B1 KR102071922 B1 KR 102071922B1
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- lens
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- 238000012634 optical imaging Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 claims abstract description 92
- 238000003384 imaging method Methods 0.000 claims abstract description 86
- 230000014509 gene expression Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 13
- 239000000463 material Substances 0.000 description 16
- 230000004075 alteration Effects 0.000 description 8
- 239000011521 glass Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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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
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- 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 -
- G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
-
- 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
- G02B13/0045—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 five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/04—Reversed telephoto objectives
-
- 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 -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
- G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
- G02B9/30—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + the middle component being a - compound meniscus having a + lens
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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- H04N5/2254—
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
도 2는 도 1에 도시된 촬상 광학계의 수차 곡선을 나타낸 그래프
도 3은 본 발명의 제2실시 예에 따른 촬상 광학계의 구성도
도 4는 도 3에 도시된 촬상 광학계의 수차 곡선을 나타낸 그래프
도 5는 본 발명의 제3실시 예에 따른 촬상 광학계의 구성도
도 6은 도 5에 도시된 촬상 광학계의 수차 곡선을 나타낸 그래프
도 7은 본 발명의 제4실시 예에 따른 촬상 광학계의 구성도
도 8은 도 7에 도시된 촬상 광학계의 수차 곡선을 나타낸 그래프
110, 210, 310, 410 제1렌즈
120, 220, 320, 420 제2렌즈
130, 230, 330, 430 제3렌즈
140, 240, 340, 440 제4렌즈
150, 250, 350, 450 제5렌즈
160, 260, 360, 460 (적외선 차단) 필터
170, 270, 370, 470 이미지 센서 또는 상면
Claims (17)
- 물체 측으로부터 순차적으로 배치되는 제1렌즈, 제2렌즈, 제3렌즈, 제4렌즈, 및 제5렌즈를 포함하고,
상기 제1렌즈, 상기 제3렌즈, 및 상기 제5렌즈의 굴절률은 1.6 이상이고,
상기 제2렌즈는 물체 측면이 볼록하고 상 측면이 볼록한 형상이고,
전체 화각이 100도 이상인 촬상 광학계. - 제1항에 있어서,
상기 제1렌즈는 물체 측면이 볼록한 형상인 촬상 광학계. - 삭제
- 제1항에 있어서,
상기 제3렌즈는 물체 측면이 볼록한 형상인 촬상 광학계. - 제1항에 있어서,
상기 제4렌즈는 물체 측면이 볼록한 형상인 촬상 광학계. - 제1항에 있어서,
상기 제5렌즈는 물체 측면이 볼록한 형상인 촬상 광학계. - 제1항에 있어서,
F No.가 2.3 미만인 촬상 광학계. - 물체 측으로부터 순차적으로 배치되는 제1렌즈, 제2렌즈, 제3렌즈, 제4렌즈, 및 제5렌즈를 포함하고,
상기 제1렌즈, 상기 제3렌즈, 및 상기 제5렌즈의 굴절률은 1.6 이상이고,
상기 제2렌즈는 물체 측면이 볼록하고 상 측면이 볼록한 형상이고,
상기 제4렌즈의 물체 측면이 볼록한 형상인 촬상 광학계. - 제8항에 있어서,
상기 제1렌즈, 상기 제3렌즈, 및 상기 제5렌즈의 굴절률 중 하나 이상은 1.66 이상인 촬상 광학계. - 제8항에 있어서,
F No.가 2.3 미만인 촬상 광학계. - 제8항에 있어서,
하기 조건식을 만족하는 촬상 광학계.
[조건식] TTL/ImgH < 2.0
(상기 조건식에서 TTL은 상기 제1렌즈의 물체 측면으로부터 상면까지의 거리이고, ImgH는 상면의 대각길이의 1/2이다) - 제8항에 있어서,
하기 조건식을 만족하는 촬상 광학계.
[조건식] f ≤ 1.76
(상기 조건식에서 f는 촬상 광학계의 전체 초점거리[㎜]이다) - 제8항에 있어서,
전체 화각인 120도 이상인 촬상 광학계. - 제8항에 있어서,
하기 조건식을 만족하는 촬상 광학계.
[조건식] 2.86 ≤ CT4/ET4
(상기 조건식에서 CT4는 상기 제4렌즈의 광축 부분의 두께이고, ET4는 상기 제4렌즈의 가장자리 부분의 최소 두께이다) - 제8항에 있어서,
하기 조건식을 만족하는 촬상 광학계.
[조건식] 0.53 < CT5/sag5
(상기 조건식에서 CT5는 상기 제5렌즈의 광축 부분의 두께이고, sag5는 상기 제5렌즈의 상 측면 가장자리에서의 새그이다) - 제8항에 있어서,
하기 조건식을 만족하는 촬상 광학계.
[조건식] |f1/f| < 4.0
(상기 조건식에서 f는 촬상 광학계의 전체 초점거리이고, f1은 상기 제1렌즈의 초점거리이다) - 삭제
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180008289A KR102071922B1 (ko) | 2018-01-23 | 2018-01-23 | 촬상 광학계 |
US16/136,473 US11500182B2 (en) | 2018-01-23 | 2018-09-20 | Optical imaging system |
CN202210048870.0A CN114326053B (zh) | 2018-01-23 | 2018-11-26 | 光学成像系统 |
CN201821960939.2U CN209167642U (zh) | 2018-01-23 | 2018-11-26 | 光学成像系统和电子装置 |
CN201811415897.9A CN110068913B (zh) | 2018-01-23 | 2018-11-26 | 光学成像系统 |
KR1020200007486A KR102296114B1 (ko) | 2018-01-23 | 2020-01-20 | 촬상 광학계 |
US17/963,249 US12013516B2 (en) | 2018-01-23 | 2022-10-11 | Optical imaging system |
US18/651,884 US20240295720A1 (en) | 2018-01-23 | 2024-05-01 | Optical imaging system |
Applications Claiming Priority (1)
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KR1020180008289A KR102071922B1 (ko) | 2018-01-23 | 2018-01-23 | 촬상 광학계 |
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KR1020200007486A Division KR102296114B1 (ko) | 2018-01-23 | 2020-01-20 | 촬상 광학계 |
Publications (2)
Publication Number | Publication Date |
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KR20190089580A KR20190089580A (ko) | 2019-07-31 |
KR102071922B1 true KR102071922B1 (ko) | 2020-01-31 |
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KR1020180008289A Active KR102071922B1 (ko) | 2018-01-23 | 2018-01-23 | 촬상 광학계 |
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US (3) | US11500182B2 (ko) |
KR (1) | KR102071922B1 (ko) |
CN (3) | CN110068913B (ko) |
Families Citing this family (6)
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KR102071922B1 (ko) * | 2018-01-23 | 2020-01-31 | 삼성전기주식회사 | 촬상 광학계 |
US12066600B2 (en) | 2019-08-01 | 2024-08-20 | Apple Inc. | Lens system including five lenses of -+-+- refractive powers |
TWI724567B (zh) * | 2019-09-27 | 2021-04-11 | 大陸商信泰光學(深圳)有限公司 | 成像鏡頭(四十) |
US11668902B2 (en) | 2019-09-27 | 2023-06-06 | Sintai Optical (Shenzhen) Co., Ltd. | Lens assembly |
KR102377185B1 (ko) * | 2020-05-06 | 2022-03-22 | 삼성전기주식회사 | 촬상 광학계 |
KR102494374B1 (ko) * | 2020-12-28 | 2023-02-06 | 에이테크솔루션(주) | 자동차용 렌즈 조립체 |
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2018
- 2018-01-23 KR KR1020180008289A patent/KR102071922B1/ko active Active
- 2018-09-20 US US16/136,473 patent/US11500182B2/en active Active
- 2018-11-26 CN CN201811415897.9A patent/CN110068913B/zh active Active
- 2018-11-26 CN CN201821960939.2U patent/CN209167642U/zh active Active
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Patent Citations (4)
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TW201411181A (zh) | 2013-08-02 | 2014-03-16 | 玉晶光電股份有限公司 | 光學成像鏡頭及應用該鏡頭的電子裝置 |
TW201411221A (zh) | 2013-08-02 | 2014-03-16 | 玉晶光電股份有限公司 | 光學成像鏡頭及應用此鏡頭之電子裝置 |
JP2017068164A (ja) * | 2015-10-01 | 2017-04-06 | オリンパス株式会社 | 広角光学系及びそれを備えた撮像装置 |
JP2017102183A (ja) * | 2015-11-30 | 2017-06-08 | 富士フイルム株式会社 | 撮像レンズおよび撮像装置 |
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CN114326053B (zh) | 2025-05-02 |
US20230050751A1 (en) | 2023-02-16 |
US11500182B2 (en) | 2022-11-15 |
US12013516B2 (en) | 2024-06-18 |
CN114326053A (zh) | 2022-04-12 |
CN209167642U (zh) | 2019-07-26 |
US20190227281A1 (en) | 2019-07-25 |
KR20190089580A (ko) | 2019-07-31 |
US20240295720A1 (en) | 2024-09-05 |
CN110068913B (zh) | 2022-02-08 |
CN110068913A (zh) | 2019-07-30 |
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