KR100624859B1 - 화상 픽업 렌즈 - Google Patents
화상 픽업 렌즈 Download PDFInfo
- Publication number
- KR100624859B1 KR100624859B1 KR1020040062334A KR20040062334A KR100624859B1 KR 100624859 B1 KR100624859 B1 KR 100624859B1 KR 1020040062334 A KR1020040062334 A KR 1020040062334A KR 20040062334 A KR20040062334 A KR 20040062334A KR 100624859 B1 KR100624859 B1 KR 100624859B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- image pickup
- refractive power
- object side
- present
- Prior art date
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Classifications
-
- 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
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lenses (AREA)
Abstract
Description
종래기술 | 본 발명 | |
축상(%) | 47.2 | 56.9 |
수직(0.6필드) 라디안(%) | 31.9 | 42 |
수직(0.6필드) 탄젠셜(%) | 32.8 | 41.8 |
수평(0.8필드) 라디안(%) | 9.7 | 38 |
수평(0.8필드) 탄젠셜(%) | 11 | 49.6 |
종래기술 | 본 발명 | |
광 왜곡(%) | 1.78 | 0.47 |
Claims (6)
- 물체측으로부터 제1 렌즈, 제2 렌즈, 제3 렌즈 및 제4 렌즈의 순으로 배열된 화상 픽업 렌즈에 있어서,상기 제1 렌즈는 양의 굴절력을 갖고 입사면보다 큰 곡률을 갖는 출사면을 구비하고, 상기 제2 렌즈는 음의 굴절력을 갖고 상기 제1 렌즈의 출사면으로부터 일정한 거리로 이격된 입사면을 구비하고, 상기 제3 렌즈는 메니스커스 형상으로 형성되기 위해 물체측을 향해 대향하는 오목면을 갖고, 상기 제4 렌즈는 양 또는 음의 굴절력을 갖고 메니스커스 형상으로 형성되기 위해 물체측을 향해 대향하는 볼록면을 갖는 것을 특징으로 하는 화상 픽업 렌즈.
- 제1항에 있어서, 상기 제1 렌즈는 입사면 및 출사면이 볼록면으로 이루어진 것을 특징으로 하는 화상 픽업 렌즈.
- 제1항에 있어서, 상기 제1 렌즈는 입사면이 평면이고 출사면이 볼록면으로 이루어진 것을 특징으로 하는 화상 픽업 렌즈.
- 제1항에 있어서, 상기 제2 렌즈는 입사면 및 출사면이 오목면으로 이루어진 것을 특징으로 하는 화상 픽업 렌즈.
- 제1항에 있어서, 상기 제2 렌즈는 입사면이 오목면이고 출사면이 평면으로 이루어진 것을 특징으로 하는 화상 픽업 렌즈.
- 제1항에 있어서, 상기 제1 렌즈 및 제4 렌즈는 폴리에필렌의 플라스틱 재질로 형성되고, 상기 제2 렌즈는 유리 재질로 형성되며, 상기 제3 렌즈는 폴리올레핀이나 PMM 계열의 플라스틱 재질로 형성되는 것을 특징으로 하는 화상 픽업 렌즈.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040062334A KR100624859B1 (ko) | 2004-08-09 | 2004-08-09 | 화상 픽업 렌즈 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040062334A KR100624859B1 (ko) | 2004-08-09 | 2004-08-09 | 화상 픽업 렌즈 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060013748A KR20060013748A (ko) | 2006-02-14 |
KR100624859B1 true KR100624859B1 (ko) | 2006-09-19 |
Family
ID=37122915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040062334A KR100624859B1 (ko) | 2004-08-09 | 2004-08-09 | 화상 픽업 렌즈 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100624859B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100966990B1 (ko) * | 2007-10-30 | 2010-06-30 | 삼성전기주식회사 | 초소형 촬상 광학계 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5865406A (ja) | 1981-10-15 | 1983-04-19 | Minolta Camera Co Ltd | 絞り前置のコンパクトな広角レンズ |
JPH10325919A (ja) | 1997-03-26 | 1998-12-08 | Fuji Photo Optical Co Ltd | 結像レンズ |
KR20020064179A (ko) * | 2001-01-31 | 2002-08-07 | 가시오게산키 가부시키가이샤 | 촬영렌즈시스템 |
KR20040060621A (ko) * | 2002-12-30 | 2004-07-06 | 삼성테크윈 주식회사 | 촬영 렌즈 |
-
2004
- 2004-08-09 KR KR1020040062334A patent/KR100624859B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5865406A (ja) | 1981-10-15 | 1983-04-19 | Minolta Camera Co Ltd | 絞り前置のコンパクトな広角レンズ |
JPH10325919A (ja) | 1997-03-26 | 1998-12-08 | Fuji Photo Optical Co Ltd | 結像レンズ |
KR20020064179A (ko) * | 2001-01-31 | 2002-08-07 | 가시오게산키 가부시키가이샤 | 촬영렌즈시스템 |
KR20040060621A (ko) * | 2002-12-30 | 2004-07-06 | 삼성테크윈 주식회사 | 촬영 렌즈 |
Also Published As
Publication number | Publication date |
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KR20060013748A (ko) | 2006-02-14 |
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