Invention Grant
US07957067B2 Lens array, LED head, exposure device, image forming apparatus and reading apparatus
有权
透镜阵列，LED头，曝光装置，成像装置和读取装置
- Patent Title: Lens array, LED head, exposure device, image forming apparatus and reading apparatus
- Patent Title (中): 透镜阵列，LED头，曝光装置，成像装置和读取装置
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Application No.: US12458015Application Date: 2009-06-29
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Publication No.: US07957067B2Publication Date: 2011-06-07
- Inventor: Akihiro Yamamura
- Applicant: Akihiro Yamamura
- Applicant Address: JP Tokyo
- Assignee: Oki Data Corporation
- Current Assignee: Oki Data Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rabin & Berdo, PC
- Priority: JP2008-172823 20080701
- Main IPC: G02B27/10
- IPC: G02B27/10 ; G02B9/04
Abstract:
A lens array includes a plurality of lens units each of which includes a plurality of microlenses linearly arranged, and a light shielding member having a plurality of openings as apertures. The openings are disposed so as to face the microlenses of respective lens units. Facing microlenses of the lens units have optical axes substantially aligned with each other and passing the openings of the light shielding member. Light absorbing portions are provided in the openings.
Public/Granted literature
- US20100002307A1 Lens array, led head, exposure device, image forming apparatus and reading apparatus Public/Granted day:2010-01-07
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