KR101979455B1 - 결상 광학 소자, 결상 광학 어레이 및 화상 판독 장치 - Google Patents
결상 광학 소자, 결상 광학 어레이 및 화상 판독 장치 Download PDFInfo
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Abstract
(해결 수단) 원고(물체) OB로부터 출사되는 광선이 입사되는 제 1 렌즈면 S1을 갖는 입사부와, 광선을 출사하는 제 2 렌즈면 S3을 갖는 출사부와, 입사부와 출사부를 각도를 갖고 연결하는 굴곡부가 투명 매체로 일체로 성형되어 있다. 또한, 굴곡부는 제 1 렌즈면 S1에 입사된 입사 광선을 반사시켜 제 2 렌즈면 S3에 도광하는 반사면 S2를 갖고 있다. 그리고, 입사 광선을 입사부, 굴곡부 및 출사부 중 하나에 집광시켜 물체의 중간상을 형성함과 아울러, 제 2 렌즈면 S3의 출사측에 중간상을 결상하여 물체의 정립상을 형성한다.
Description
도 2는 CIS 모듈에서의 입사측 애퍼처(aperture) 부재, 렌즈 어레이 및 출사측 애퍼처 부재를 나타내는 사시도.
도 3은 본 발명에 따른 화상 판독 장치의 제 2 실시 형태인 CIS 모듈을 나타내는 부분 단면 사시도.
도 4는 CIS 모듈에서의 입사측 애퍼처 부재, 렌즈 어레이 및 출사측 애퍼처 부재를 나타내는 사시도.
도 5는 렌즈면과 반사면의 조합을 나타내는 도면.
도 6은 변형(variation) 1의 한 구체예를 나타내는 광선도.
도 7은 변형 1의 렌즈 데이터를 나타내는 도면.
도 8은 렌즈면의 면 형상을 정의하는 수식을 나타내는 도면.
도 9는 변형 1에 있어서의 렌즈면의 면 형상을 부여하는 데이터를 나타내는 도면.
도 10은 변형 1의 다른 구체예를 나타내는 광선도.
도 11은 다른 구체예의 렌즈 데이터를 나타내는 도면.
도 12는 다른 구체예에 있어서의 렌즈면의 면 형상을 부여하는 데이터를 나타내는 도면.
도 13은 본 발명에 따른 화상 판독 장치의 제 3 실시 형태인 렌즈 어레이를 나타내는 사시도.
도 14는 본 발명에 따른 화상 판독 장치의 제 4 실시 형태인 렌즈 어레이를 나타내는 사시도.
3 : 광원부
5 : 렌즈 어레이
7 : 센서(판독부)
51 : 입사부
52 : 연결부
53 : 출사부
54 : 반사막
55 : 좌우부
541 : 제 1 반사막
542 : 제 2 반사막
OB : 원고
S1 : 입사측 렌즈면(제 1 렌즈면)
S2 : 반사면, 전반사면
S21 : 제 1 반사면
S22 : 제 2 반사면
S3 : 출사측 렌즈면(제 2 렌즈면)
X : 배열 방향
Y : 직교 방향
Z : 상하 방향
Claims (22)
- 물체로부터 출사되는 광선이 입사되는 제 1 렌즈면을 갖는 입사부와, 광선을 출사하는 제 2 렌즈면을 갖는 출사부와, 상기 입사부와 상기 출사부를 각도를 갖고 연결하는 굴곡부가 투명 매체로 일체로 성형되고,
상기 굴곡부는 상기 제 1 렌즈면에 입사된 입사 광선을 반사시켜 상기 제 2 렌즈면에 도광하는 반사면을 갖고,
상기 반사면과 상기 제 2 렌즈면의 사이에 물체의 중간상을 형성하되, 상기 제 2 렌즈면보다 상기 반사면에 보다 가까운 위치에서 상기 중간상을 형성함과 아울러, 상기 중간상을 결상하여 상기 물체의 정립상을 상기 제 2 렌즈면의 출사측에 형성하는
것을 특징으로 하는 결상 광학 소자.
- 제 1 항에 있어서,
상기 굴곡부의 외주면에 반사막이 배치되어 상기 반사면이 형성되는 결상 광학 소자.
- 제 2 항에 있어서,
상기 굴곡부의 외주면은 평면 형상을 가짐과 아울러, 상기 제 1 렌즈면과 상기 제 2 렌즈면은 서로 대칭인 면 형상을 갖고, 같은 배율로 상기 물체의 정립상을 결상하는 결상 광학 소자.
- 제 2 항에 있어서,
상기 굴곡부의 외주면은 곡면 형상을 갖는 결상 광학 소자.
- 청구항 2에 기재된 결상 광학 소자가 복수개 일체적으로 배열된 것을 특징으로 하는 결상 광학 어레이.
- 제 5 항에 있어서,
상기 복수의 렌즈를 일체로 성형하여 렌즈 어레이가 형성되고,
상기 복수의 반사막은 상기 복수의 굴곡부의 외주면에 일체적으로 마련되는
결상 광학 어레이.
- 제 5 항에 있어서,
상기 제 1 렌즈면 및 상기 제 2 렌즈면 중 적어도 한쪽은, 상기 결상 광학 소자가 배열되는 배열 방향과 상기 배열 방향과 직교하는 직교 방향에서 다른 면 형상을 갖는 결상 광학 어레이.
- 물체에 광을 조사하는 광원부와,
청구항 2에 기재된 결상 광학 소자와,
상기 결상 광학 소자에 의해 결상되는 정립상을 판독하는 판독부
를 구비하는 것을 특징으로 하는 화상 판독 장치.
- 제 1 항에 있어서,
상기 반사면은, 광을 전반사하는 전반사면인 것을 특징으로 하는 결상 광학 소자.
- 제 9 항에 있어서,
상기 전반사면은 평면 형상을 가짐과 아울러, 상기 제 1 렌즈면과 상기 제 2 렌즈면은 서로 대칭인 면 형상을 갖고, 같은 배율로 상기 물체의 정립상을 결상하는 결상 광학 소자.
- 제 9 항에 있어서,
상기 전반사면은 곡면 형상을 갖는 결상 광학 소자.
- 청구항 9에 기재된 결상 광학 소자가 복수개 일체적으로 배열된 것을 특징으로 하는 결상 광학 어레이.
- 제 12 항에 있어서,
상기 제 1 렌즈면 및 상기 제 2 렌즈면 중 적어도 한쪽은, 상기 결상 광학 소자가 배열되는 배열 방향과 상기 배열 방향과 직교하는 직교 방향에서 다른 면 형상을 갖는 결상 광학 어레이.
- 물체에 광을 조사하는 광원부와,
청구항 9에 기재된 결상 광학 소자와,
상기 결상 광학 소자에 의해 결상되는 정립상을 판독하는 판독부
를 구비하는 것을 특징으로 하는 화상 판독 장치.
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 입사 광선을 전반사시키는 전반사면이 상기 반사면으로서 상기 굴곡부에 형성되는 결상 광학 소자.
- 제 1 항에 있어서,
상기 반사면은 평면 형상을 가짐과 아울러, 상기 제 1 렌즈면과 상기 제 2 렌즈면은 서로 대칭인 면 형상을 갖고, 같은 배율로 상기 물체의 정립상을 형성하는 결상 광학 소자. - 제 1 항에 있어서,
상기 반사면은 곡면 형상을 갖는 결상 광학 소자.
- 청구항 1에 기재된 결상 광학 소자가 복수개 일체적으로 배열된 것을 특징으로 하는 결상 광학 어레이.
- 제 20 항에 있어서,
상기 제 1 렌즈면 및 상기 제 2 렌즈면 중 적어도 한쪽은, 상기 결상 광학 소자가 배열되는 배열 방향과 상기 배열 방향과 직교하는 직교 방향에서 다른 면 형상을 갖는 결상 광학 어레이.
- 물체에 광을 조사하는 광원부와,
청구항 1에 기재된 결상 광학 소자와,
상기 결상 광학 소자에 의해 결상되는 정립상을 판독하는 판독부
를 구비하는 것을 특징으로 하는 화상 판독 장치.
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