CN110908131A - 投影模组、结构光三维成像装置和电子设备 - Google Patents
投影模组、结构光三维成像装置和电子设备 Download PDFInfo
- Publication number
- CN110908131A CN110908131A CN201811076642.4A CN201811076642A CN110908131A CN 110908131 A CN110908131 A CN 110908131A CN 201811076642 A CN201811076642 A CN 201811076642A CN 110908131 A CN110908131 A CN 110908131A
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- CN
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- Prior art keywords
- laser
- grating
- light
- projection module
- reflection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/44—Grating systems; Zone plate systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811076642.4A CN110908131A (zh) | 2018-09-14 | 2018-09-14 | 投影模组、结构光三维成像装置和电子设备 |
PCT/CN2019/090828 WO2020052300A1 (zh) | 2018-09-14 | 2019-06-12 | 投影模组、结构光三维成像装置和电子设备 |
US17/043,954 US11467419B2 (en) | 2018-09-14 | 2019-06-12 | Projection module, structured light three-dimensional imaging device and electronic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811076642.4A CN110908131A (zh) | 2018-09-14 | 2018-09-14 | 投影模组、结构光三维成像装置和电子设备 |
Publications (1)
Publication Number | Publication Date |
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CN110908131A true CN110908131A (zh) | 2020-03-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811076642.4A Withdrawn CN110908131A (zh) | 2018-09-14 | 2018-09-14 | 投影模组、结构光三维成像装置和电子设备 |
Country Status (1)
Country | Link |
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CN (1) | CN110908131A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111796350A (zh) * | 2020-07-09 | 2020-10-20 | 欧菲微电子技术有限公司 | 反射式准直镜、激光模组、相机及电子设备 |
CN113466981A (zh) * | 2021-07-01 | 2021-10-01 | 江西欧迈斯微电子有限公司 | 衍射光学元件、投射模组及电子设备 |
-
2018
- 2018-09-14 CN CN201811076642.4A patent/CN110908131A/zh not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111796350A (zh) * | 2020-07-09 | 2020-10-20 | 欧菲微电子技术有限公司 | 反射式准直镜、激光模组、相机及电子设备 |
CN113466981A (zh) * | 2021-07-01 | 2021-10-01 | 江西欧迈斯微电子有限公司 | 衍射光学元件、投射模组及电子设备 |
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Legal Events
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
|
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200324 |