Invention Grant
- Patent Title: Active matrix programmable mirror
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Application No.: US17207433Application Date: 2021-03-19
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Publication No.: US12061331B2Publication Date: 2024-08-13
- Inventor: John Hong , Tallis Chang , Bing Wen , Edward Chan , Sean Andrews , Heesun Shin
- Applicant: Obsidian Sensors, Inc.
- Applicant Address: US CA San Diego
- Assignee: Obsidian Sensors, Inc.
- Current Assignee: Obsidian Sensors, Inc.
- Current Assignee Address: US CA San Diego
- Agency: Procopio, Cory, Hargreaves & Savitch LLP
- Main IPC: G02B26/08
- IPC: G02B26/08 ; B81B7/02 ; B81C1/00

Abstract:
Microelectromechanical system (MEMS) devices, methods of operating the MEMS device, and methods of manufacturing the MEMS device are disclosed. In some embodiments, the MEMS device includes a glass substrate; an electrode on the glass substrate; a hinge mechanically coupled to the electrode; a membrane mirror mechanically coupled to the hinge; a TFT on the glass substrate and electrically coupled to the electrode; and a control circuit comprising: a multiplexer configured to turn on or turn off the TFT; and a drive source configured to provide a drive signal for charging the electrode through the TFT. An amplitude of the drive signal corresponds to an amount of charge, and the amount of charge generates an electrostatic force for actuating the hinge and a portion of the membrane mirror mechanically coupled to the hinge.
Public/Granted literature
- US20210294093A1 ACTIVE MATRIX PROGRAMMABLE MIRROR Public/Granted day:2021-09-23
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