593 patents
Page 2 of 30
Utility
Quad Photodiode Microlens Arrangements, and Associated Systems and Methods
7 Dec 23
Quad photodiode microlens arrangements, and associated systems and methods.
Xiaodong Yang, Sylvia Shuoyu Zhang, John Li, Chengming Liu, Guansong Liu
Filed: 3 Jun 22
Utility
Half Quad Photodiode (QPD) to Improve QPD Channel Imbalance
7 Dec 23
Half Quad Photodiode (QPD) for improving QPD channel imbalance.
Chin Poh Pang, Wei Deng, Chen-Wei Lu, Da Meng, Guansong Liu, Yin Qian, Xiaodong Yang, Hongjun Li, Zhiqiang Lin, Chao Niu
Filed: 3 Jun 22
Utility
Hybrid Image Pixels for Phase Detection Auto Focus
7 Dec 23
Image sensors for Phase-Detection Auto Focus (PDAF) are provided.
Xiaodong Yang, Guansong Liu, Wei Deng, Chin Poh Pang, Da Meng, Hongjun Li
Filed: 3 Jun 22
Utility
Thin, Multi-lens, Optical Fingerprint Sensor Adapted to Image Through Cell Phone Displays
30 Nov 23
An image sensor for imaging fingerprints has multiple photodiode groups each having a field of view determined by pinholes of upper and lower mask layers and a metal layer, each field of view being through a microlens.
Jau-Jan DENG, Yi-Wei LIU
Filed: 25 May 22
Utility
Offset Drive Scheme For Digital Display
30 Nov 23
A novel method for driving a digital display having a plurality of pixel rows includes receiving a frame of data to be written to the display in a predetermined frame time, dividing the frame time into a plurality of time intervals, defining a plurality of row groups, and defining a unique sequence for each row group to display corresponding multi-bit data words and a number of off states on the pixels of the rows of the row groups.
Sunny Yat-san Ng
Filed: 25 May 22
Utility
CMOS image sensor pixel for high dynamic range capturing
28 Nov 23
An image sensor element includes a transfer transistor TX, a LOFIC select transistor LF, a photodiode PD, and a first overflow path OFP.
Yoshiharu Kudo
Filed: 27 Dec 21
Utility
CMOS image sensor with LED flickering reduction and low color cross-talk
7 Nov 23
CMOS image sensor with LED flickering reduction and low color cross-talk are disclosed.
Duli Mao, Bill Phan, Seong Yeol Mun, Yuanliang Liu, Alireza Bonakdar, Chengming Liu, Zhiqiang Lin
Filed: 17 May 21
Utility
Pixel-array substrate
7 Nov 23
A pixel-array substrate includes (i) a semiconductor substrate including a photodiode region and a floating diffusion region, and (ii) a vertical-transfer-gate structure that includes a trench and a gate electrode.
Hui Zang, Gang Chen
Filed: 1 Apr 21
Utility
Pointed-trench pixel-array substrate and associated fabrication method
7 Nov 23
A pointed-trench pixel-array substrate includes a floating diffusion region and a photodiode region formed in a semiconductor substrate.
Hui Zang, Gang Chen
Filed: 26 Oct 20
Utility
Fingerprint Sensor with Wafer-bonded Microlens Array
2 Nov 23
A fingerprint sensor has an array of microlenses formed on an upper surface of a transparent substrate; with a lower surface of the transparent substrate bonded to an upper surface of a fingerprint image sensor integrated circuit.
Tsung-Wei WAN, Wei-Ping CHEN, Jau-Jan DENG
Filed: 27 Apr 22
Utility
Low Power Current Integration Dac Ramp Settling Assist Circuit
19 Oct 23
A ramp generator includes an operational amplifier having an output to generate a ramp signal.
Tao Sun
Filed: 13 Apr 22
Utility
Trimming Control Circuit for Current Integration Ramp Dac Settling Assist Circuit
19 Oct 23
A ramp generator includes an operational amplifier having an output to generate a ramp signal.
Zhenfu Tian, Hiroaki Ebihara, Tao Sun, Yi Liu, Shan Chen
Filed: 13 Apr 22
Utility
Calibration Circuit for Ramp Settling Assist Circuit In Local Ramp Buffer Circuit
19 Oct 23
A ramp buffer circuit includes a ramp buffer input device having an input coupled to receive a ramp signal.
Hiroaki Ebihara, Zhenfu Tian, Peter Bartkovjak, Satoshi Sakurai
Filed: 13 Apr 22
Utility
Management Server and Management Program
19 Oct 23
A management server grants a reward to a provider of a video contributing to commodity's sales.
Yasuyuki ITO
Filed: 8 Apr 22
Utility
Sample and Hold Readout System and Method for Ramp Analog to Digital Conversion
12 Oct 23
A sample and hold readout system and method for ramp analog to digital conversion is presented in which an optical array is read out using a sample and hold circuit such that each sample is used to charge a sample and hold capacitor and is read out during a hold phase using an amplifier that drives an ramp analog to digital converter.
Trung Thanh Nguyen
Filed: 7 Apr 22
Utility
Bitline Settling and Power Supply Rejection Ratio In a Nine Cell Pixel Image Sensor with Phase Detection Autofocus
12 Oct 23
An imaging device includes a pixel array of pixel circuits arranged in rows and columns.
Xuelian Liu, Min Qu, Liang Zuo, Selcuk Sen, Hiroaki Ebihara, Rui Wang, Lihang Fan
Filed: 8 Apr 22
Utility
Pixel-array substrate and associated method
10 Oct 23
A pixel-array substrate includes a floating diffusion region and a first photodiode formed in a semiconductor substrate.
Hui Zang, Gang Chen
Filed: 26 Oct 20
Utility
Endoscope imager and associated method
10 Oct 23
An endoscope imager includes a system-in-package and a specularly reflective surface.
Yi-Fan Lin, Wei-Ping Chen, Jau-Jan Deng, Suganda Jutamulia
Filed: 21 Sep 16
Utility
Column Asil Circuit for Multiple Bitlines In an Image Sensor
5 Oct 23
A failure detection circuit for an image sensor includes a first input node, an array of second input nodes, and an output stage.
Zhenfu TIAN, Liang ZUO, Yan LI, Wen HE, Satoshi SAKURAI
Filed: 1 Apr 22
Utility
Symmetric Polarization Filter for Autofocus Pixel Structures
5 Oct 23
Image sensors and devices for phase-detection auto focus processes are provided.
Qin Wang, Chin Poh Pang, Gang Chen
Filed: 5 Apr 22