Tiejun Dai

Person

Santa Clara, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Real GS and OFG timing design for 1-by-2 shared HDR VDGS
- Patent number 12,200,388
- Issue date Jan 14, 2025
- OmniVision Technologies, Inc.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel circuit for high dynamic range image sensor
- Patent number 12,185,000
- Issue date Dec 31, 2024
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage domain global shutter readout circuit timing
- Patent number 11,750,950
- Issue date Sep 5, 2023
- OmniVision Technologies, Inc.
- Ling Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage domain global shutter readout circuit
- Patent number 11,729,529
- Issue date Aug 15, 2023
- OmniVision Technologies, Inc.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sample and hold switch driver circuitry with slope control
- Patent number 11,716,547
- Issue date Aug 1, 2023
- OmniVision Technologies, Inc.
- Zhe Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual row select pixel for fast pixel binning
- Patent number 11,658,202
- Issue date May 23, 2023
- OmniVision Technologies, Inc.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Layout design of dual row select structure
- Patent number 11,652,131
- Issue date May 16, 2023
- OmniVision Technologies, Inc.
- Sang Joo Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital time stamping design for event driven pixel
- Patent number 11,516,419
- Issue date Nov 29, 2022
- OmniVision Technologies, Inc.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Event driven pixel for spatial information extraction
- Patent number 11,430,828
- Issue date Aug 30, 2022
- OmniVision Technologies, Inc.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Auto-zero techniques for lateral overflow integrating capacitor (LO...
- Patent number 11,399,150
- Issue date Jul 26, 2022
- OmniVision Technologies, Inc.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching techniques for fast voltage settling in image sensors
- Patent number 11,252,346
- Issue date Feb 15, 2022
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid CMOS image sensor with event driven sensing
- Patent number 11,240,454
- Issue date Feb 1, 2022
- OmniVision Technologies, Inc.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High dynamic range CMOS image sensor design
- Patent number 11,212,457
- Issue date Dec 28, 2021
- OmniVision Technologies, Inc.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sample and hold switch driver circuitry with slope control
- Patent number 11,212,467
- Issue date Dec 28, 2021
- OmniVision Technologies, Inc.
- Zhe Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
High dynamic range high speed CMOS image sensor design
- Patent number 11,140,352
- Issue date Oct 5, 2021
- OmniVision Technologies, Inc.
- Tiejun Dai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-dynamic range image sensor and image-capture method
- Patent number 11,102,422
- Issue date Aug 24, 2021
- OmniVision Technologies, Inc.
- Chengming Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-dynamic range image sensor and image-capture method
- Patent number 11,064,134
- Issue date Jul 13, 2021
- OmniVision Technologies, Inc.
- Chengming Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bitline settling speed enhancement
- Patent number 10,834,351
- Issue date Nov 10, 2020
- OmniVision Technologies, Inc.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Local exposure sensor and method for operating the same
- Patent number 10,630,922
- Issue date Apr 21, 2020
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel readout structure and timing to provide fixed pattern noise r...
- Patent number 10,547,804
- Issue date Jan 28, 2020
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Small pixels having dual conversion gain providing high dynamic range
- Patent number 10,510,796
- Issue date Dec 17, 2019
- OmniVision Technologies, Inc.
- Rui Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two stage amplifier readout circuit in pixel level hybrid bond imag...
- Patent number 10,375,338
- Issue date Aug 6, 2019
- OmniVision Technologies, Inc.
- Zheng Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback capacitor and method for readout of hybrid bonded image se...
- Patent number 10,263,031
- Issue date Apr 16, 2019
- OmniVision Technologies, Inc.
- Rui Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for data transmission in an image sensor
- Patent number 10,110,837
- Issue date Oct 23, 2018
- OmniVision Technologies, Inc.
- Yingkan Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image sensor with fast intra-frame focus
- Patent number 10,015,388
- Issue date Jul 3, 2018
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Blooming free high dynamic range image sensor read out architecture...
- Patent number 9,961,279
- Issue date May 1, 2018
- OmniVision Technologies, Inc.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging sensor with amplifier having variable bias and increased ou...
- Patent number 9,961,292
- Issue date May 1, 2018
- OmniVision Technologies, Inc.
- Liping Deng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High dynamic range image sensor read out architecture using in-fram...
- Patent number 9,955,091
- Issue date Apr 24, 2018
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Row decoder for high dynamic range image sensor using in-frame mult...
- Patent number 9,888,185
- Issue date Feb 6, 2018
- OmniVision Technologies, Inc.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback capacitor formed by bonding-via in pixel level bond
- Patent number 9,859,312
- Issue date Jan 2, 2018
- OmniVision Technologies, Inc.
- Rui Wang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
REAL GS AND OFG TIMING DESIGN FOR 1-BY-2 SHARED HDR VDGS
- Publication number 20240381002
- Publication date Nov 14, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CAPMID DESIGN IN VRFD FOR HDR STRUCTURE
- Publication number 20240357253
- Publication date Oct 24, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIXEL CIRCUIT FOR HIGH DYNAMIC RANGE IMAGE SENSOR
- Publication number 20240015414
- Publication date Jan 11, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIXEL DESIGNS WITH REDUCED LOFIC RESET AND SETTLING TIMES
- Publication number 20230421922
- Publication date Dec 28, 2023
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SENSOR WITH SIMULTANEOUS IMAGE/VIDEO AND EVENT DRIVEN SENSI...
- Publication number 20230283928
- Publication date Sep 7, 2023
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIGITAL TIME STAMPING DESIGN FOR EVENT DRIVEN PIXEL
- Publication number 20220239858
- Publication date Jul 28, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SENSOR WITH SIMULTANEOUS IMAGE/VIDEO AND EVENT DRIVEN SENSI...
- Publication number 20220201236
- Publication date Jun 23, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EVENT DRIVEN PIXEL FOR SPATIAL INFORMATION EXTRACTION
- Publication number 20220199671
- Publication date Jun 23, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AUTO-ZERO TECHNIQUES FOR LATERAL OVERFLOW INTEGRATING CAPACITOR (LO...
- Publication number 20220159206
- Publication date May 19, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SAMPLE AND HOLD SWITCH DRIVER CIRCUITRY WITH SLOPE CONTROL
- Publication number 20220078360
- Publication date Mar 10, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- G11 - INFORMATION STORAGE
Information Patent Application
HIGH DYNAMIC RANGE CMOS IMAGE SENSOR DESIGN
- Publication number 20210377435
- Publication date Dec 2, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LAYOUT DESIGN OF DUAL ROW SELECT STRUCTURE
- Publication number 20210358994
- Publication date Nov 18, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Sang Joo Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DUAL ROW SELECT PIXEL FOR FAST PIXEL BINNING
- Publication number 20210360175
- Publication date Nov 18, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID CMOS IMAGE SENSOR WITH EVENT DRIVEN SENSING
- Publication number 20210344867
- Publication date Nov 4, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SAMPLE AND HOLD SWITCH DRIVER CIRCUITRY WITH SLOPE CONTROL
- Publication number 20210021769
- Publication date Jan 21, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-DYNAMIC RANGE IMAGE SENSOR AND IMAGE-CAPTURE METHOD
- Publication number 20200389585
- Publication date Dec 10, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Chengming LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-DYNAMIC RANGE IMAGE SENSOR AND IMAGE-CAPTURE METHOD
- Publication number 20200389586
- Publication date Dec 10, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Chengming LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BITLINE SETTLING SPEED ENHANCEMENT
- Publication number 20200169682
- Publication date May 28, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOCAL EXPOSURE SENSOR AND METHOD FOR OPERATING THE SAME
- Publication number 20200120296
- Publication date Apr 16, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun DAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SMALL PIXELS HAVING DUAL CONVERSION GAIN PROVIDING HIGH DYNAMIC RANGE
- Publication number 20190386057
- Publication date Dec 19, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER TRANSMISSION LINES FOR ULTRA-SMALL IMAGE SENSORS
- Publication number 20190068927
- Publication date Feb 28, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Xiang-Dong Xiong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD AND APPARATUS FOR DATA TRANSMISSION IN AN IMAGE SENSOR
- Publication number 20180255255
- Publication date Sep 6, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Yingkan Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Two Stage Amplifier Readout Circuit In Pixel Level Hybrid Bond Imag...
- Publication number 20180220094
- Publication date Aug 2, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Zheng YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Feedback Capacitor And Method For Readout Of Hybrid Bonded Image Se...
- Publication number 20180220095
- Publication date Aug 2, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Rui WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIXED PATTERN NOISE REDUCTION IN IMAGE SENSORS
- Publication number 20180103221
- Publication date Apr 12, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
READOUT CIRCUITRY TO MITIGATE COLUMN FIXED PATTERN NOISE OF AN IMAG...
- Publication number 20170054931
- Publication date Feb 23, 2017
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SENSOR WITH FAST INTRA-FRAME FOCUS
- Publication number 20160373644
- Publication date Dec 22, 2016
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIME OF FLIGHT IMAGING WITH IMPROVED INITIATION SIGNALING
- Publication number 20160353084
- Publication date Dec 1, 2016
- OMNIVISION TECHNOLOGIES, INC.
- Tianjia Sun
- G01 - MEASURING TESTING
Information Patent Application
STACKED EMBEDDED SPAD IMAGE SENSOR FOR ATTACHED 3D INFORMATION
- Publication number 20160240579
- Publication date Aug 18, 2016
- OMNIVISION TECHNOLOGIES, INC.
- Tianjia Sun
- G01 - MEASURING TESTING
Information Patent Application
CALIBRATION CIRCUITRY AND METHOD FOR A TIME OF FLIGHT IMAGING SYSTEM
- Publication number 20160061941
- Publication date Mar 3, 2016
- OMNIVISION TECHNOLOGIES, INC.
- Jian Guo
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Real GS and OFG timing design for 1-by-2 shared HDR VDGS

Pixel circuit for high dynamic range image sensor

Voltage domain global shutter readout circuit timing

Voltage domain global shutter readout circuit

Sample and hold switch driver circuitry with slope control

Dual row select pixel for fast pixel binning

Layout design of dual row select structure

Digital time stamping design for event driven pixel

Event driven pixel for spatial information extraction

Auto-zero techniques for lateral overflow integrating capacitor (LO...

Switching techniques for fast voltage settling in image sensors

Hybrid CMOS image sensor with event driven sensing

High dynamic range CMOS image sensor design

Sample and hold switch driver circuitry with slope control

High dynamic range high speed CMOS image sensor design

High-dynamic range image sensor and image-capture method

High-dynamic range image sensor and image-capture method

Bitline settling speed enhancement

Local exposure sensor and method for operating the same

Pixel readout structure and timing to provide fixed pattern noise r...

Small pixels having dual conversion gain providing high dynamic range

Two stage amplifier readout circuit in pixel level hybrid bond imag...

Feedback capacitor and method for readout of hybrid bonded image se...

Method and apparatus for data transmission in an image sensor

Image sensor with fast intra-frame focus

Blooming free high dynamic range image sensor read out architecture...

Imaging sensor with amplifier having variable bias and increased ou...

High dynamic range image sensor read out architecture using in-fram...

Row decoder for high dynamic range image sensor using in-frame mult...

Feedback capacitor formed by bonding-via in pixel level bond

Patents Applicationslast 30 patents

REAL GS AND OFG TIMING DESIGN FOR 1-BY-2 SHARED HDR VDGS

CAPMID DESIGN IN VRFD FOR HDR STRUCTURE

PIXEL CIRCUIT FOR HIGH DYNAMIC RANGE IMAGE SENSOR

PIXEL DESIGNS WITH REDUCED LOFIC RESET AND SETTLING TIMES

OPTICAL SENSOR WITH SIMULTANEOUS IMAGE/VIDEO AND EVENT DRIVEN SENSI...

DIGITAL TIME STAMPING DESIGN FOR EVENT DRIVEN PIXEL

OPTICAL SENSOR WITH SIMULTANEOUS IMAGE/VIDEO AND EVENT DRIVEN SENSI...

EVENT DRIVEN PIXEL FOR SPATIAL INFORMATION EXTRACTION

AUTO-ZERO TECHNIQUES FOR LATERAL OVERFLOW INTEGRATING CAPACITOR (LO...

SAMPLE AND HOLD SWITCH DRIVER CIRCUITRY WITH SLOPE CONTROL

HIGH DYNAMIC RANGE CMOS IMAGE SENSOR DESIGN

LAYOUT DESIGN OF DUAL ROW SELECT STRUCTURE

DUAL ROW SELECT PIXEL FOR FAST PIXEL BINNING

HYBRID CMOS IMAGE SENSOR WITH EVENT DRIVEN SENSING

SAMPLE AND HOLD SWITCH DRIVER CIRCUITRY WITH SLOPE CONTROL

HIGH-DYNAMIC RANGE IMAGE SENSOR AND IMAGE-CAPTURE METHOD

HIGH-DYNAMIC RANGE IMAGE SENSOR AND IMAGE-CAPTURE METHOD

BITLINE SETTLING SPEED ENHANCEMENT

LOCAL EXPOSURE SENSOR AND METHOD FOR OPERATING THE SAME

SMALL PIXELS HAVING DUAL CONVERSION GAIN PROVIDING HIGH DYNAMIC RANGE

OPTICAL FIBER TRANSMISSION LINES FOR ULTRA-SMALL IMAGE SENSORS

METHOD AND APPARATUS FOR DATA TRANSMISSION IN AN IMAGE SENSOR

Two Stage Amplifier Readout Circuit In Pixel Level Hybrid Bond Imag...

Feedback Capacitor And Method For Readout Of Hybrid Bonded Image Se...

FIXED PATTERN NOISE REDUCTION IN IMAGE SENSORS

READOUT CIRCUITRY TO MITIGATE COLUMN FIXED PATTERN NOISE OF AN IMAG...

IMAGE SENSOR WITH FAST INTRA-FRAME FOCUS

TIME OF FLIGHT IMAGING WITH IMPROVED INITIATION SIGNALING

STACKED EMBEDDED SPAD IMAGE SENSOR FOR ATTACHED 3D INFORMATION

CALIBRATION CIRCUITRY AND METHOD FOR A TIME OF FLIGHT IMAGING SYSTEM