- Patent Title: Image sensors with quantum efficiency enhanced by inverted pyramids
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Application No.: US16777193Application Date: 2020-01-30
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Publication No.: US11362124B2Publication Date: 2022-06-14
- Inventor: Alireza Bonakdar , Zhiqiang Lin , Bill Phan , Badrinath Padmanabhan
- Applicant: OmniVision Technologies, Inc.
- Applicant Address: US CA Santa Clara
- Assignee: OmniVision Technologies, Inc.
- Current Assignee: OmniVision Technologies, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Lathrop GPM LLP
- Main IPC: H01L27/14
- IPC: H01L27/14 ; H01L27/146

Abstract:
An image sensor with quantum efficiency enhanced by inverted pyramids includes a semiconductor substrate and a plurality of microlenses. The semiconductor substrate includes an array of pixels. Each of the pixels is configured to convert light incident on the pixel to an electrical output signal, the semiconductor substrate having a top surface for receiving the light. The top surface forms a plurality of inverted pyramids in each pixel. The plurality of microlenses are disposed above the top surface and aligned to the plurality of inverted pyramids, respectively.
Public/Granted literature
- US20210242265A1 IMAGE SENSORS WITH QUANTUM EFFICIENCY ENHANCED BY INVERTED PYRAMIDS Public/Granted day:2021-08-05
Information query
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