593 patents
Page 3 of 30
Utility
Near Infrared to Far Infrared Polarization Sensitive Image Sensor
5 Oct 23
A polarization-sensitive infrared sensitive image sensor, including a plurality of pixels in a semiconductor substrate and forming a pixel array, each pixel including: at least one microlens; at least one photodiode; and at least one light absorbing patch above a corresponding photodiode, each light absorbing patch oriented at a predetermined angle with respect to each of the at least one light absorbing patch, the light absorbing patch absorbs a portion of incident light dependent on polarization of the incoming light relative to the predetermined angle of the light absorbing patch.
Victor Lenchenkov
Filed: 4 Apr 22
Utility
Method and Systems of Image Sensors with Pixels Having Circular Polarizers
5 Oct 23
An image sensor has an array of a tiling pattern of cells, each cell having at least one spiral nanowire circular polarizer formed of nanowires less than 80 nanometers in width; and photodiodes to receive incoming light form the circular polarizer.
Victor Lenchenkov
Filed: 4 Apr 22
Utility
Dual Depth Junction Structures and Process Methods
28 Sep 23
Transistors, electronic devices, and methods are provided.
Hui Zang, Gang Chen
Filed: 22 Mar 22
Utility
Image Sensor Diagonal Isolation Structures
28 Sep 23
Image sensors, isolation structures, and techniques of fabrication are provided.
Duli Mao, Qin Wang, Bill Phan, Shiyu Sun, Hui Zang
Filed: 25 Mar 22
Utility
Pixel Cell Having Anti-Blooming Structure and Image Sensor
28 Sep 23
A pixel cell is formed on a semiconductor substrate having a front surface.
Shiyu Sun, Yuanwei Zheng, Gang Chen, Sing-Chung Hu, Armin Yazdani
Filed: 22 Mar 22
Utility
Optical Fingerprint Sensor with High Aspect-ratio Metal Aperture Structures
28 Sep 23
An under-display optical fingerprint sensors employing microlens arrays (MLAs) and an opaque aperture layer includes high aspect-ratio metal aperture structures for efficient angular signal filtering and stray light control.
Shih-Hsin HSU, Jau-Jan DENG
Filed: 23 Mar 22
Utility
Method for passivating full front-side deep trench isolation structure
26 Sep 23
A method for forming a deep trench isolation structure for a CMOS image sensor includes providing a trench that extends from a first side toward a second side of a semiconductor substrate.
Shiyu Sun
Filed: 23 Dec 19
Utility
Readout architecture for indirect time-of-flight sensing
26 Sep 23
A time-of-flight sensor includes a pixel array of pixel circuits.
Andreas Suess, Zheng Yang
Filed: 28 Oct 21
Utility
Trimming control circuit for current integration ramp DAC settling assist circuit
26 Sep 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
High dynamic range CMOS image sensor pixel with reverse biased metal-insulator-metal lateral overflow integration capacitor for reduced image lag
19 Sep 23
A pixel circuit includes a transfer transistor is coupled between a photodiode and a floating diffusion to transfer the image charge from the photodiode to the floating diffusion.
Woon Il Choi, Yifei Du
Filed: 24 Jun 22
Utility
Techniques for measuring depth and polarization from a single sensor
12 Sep 23
In some embodiments, an image sensor is provided.
Wenshou Chen, Yiyi Ren, Guansong Liu, Badri Padmanabhan, Alireza Bonakdar, Richard Mann
Filed: 1 Feb 21
Utility
High Dynamic Range, Backside-illuminated, Low Crosstalk Image Sensor with Walls on Backside Surface to Isolate Photodiodes
7 Sep 23
A backside-illuminated image sensor includes photodiodes in photodiode regions electrically isolated by filled trenches with openings in a dielectric layer over the photodiodes.
Hui ZANG, Gang CHEN
Filed: 3 Feb 22
Utility
Optical Sensor with Simultaneous Image/video and Event Driven Sensing Capabilities
7 Sep 23
An optical sensor includes a pixel array of pixel cells.
Zhe Gao, Tiejun Dai, Ling Fu, Qing Qin, Andreas Suess
Filed: 9 May 23
Utility
Fully buried color filter array of image sensor
5 Sep 23
An image sensor includes a substrate.
Gang Chen, Yuanwei Zheng, Qin Wang, Cunyu Yang, Guannan Chen, Duli Mao, Dyson H. Tai, Lindsay Alexander Grant
Filed: 21 Dec 21
Utility
Reference clock complementary metal-oxide semiconductor (CMOS) input buffer with self-calibration and improved electrostatic discharge (ESP) performance
5 Sep 23
Reference clock CMOS input buffer with self-calibration and improved ESD performance.
Charles Qingle Wu, Yanying He, Weiyi Zhang
Filed: 2 Sep 21
Utility
Voltage domain global shutter readout circuit timing
5 Sep 23
A global shutter readout circuit includes a pixel enable signal and a first sample and hold (SH) signal that are configured to turn ON a pixel enable transistor and a first storage transistor at a first time during a global transfer period.
Ling Fu, Tiejun Dai, Zhe Gao
Filed: 26 May 22
Utility
Video Coding Device And Method
31 Aug 23
A video encoding method includes adding, to a bitstream, an indicator of whether a frame resolution is to be reduced.
Hitoshi Watanabe
Filed: 8 May 23
Utility
High dynamic range CMOS image sensor pixel with reduced metal-insulator-metal lateral overflow integration capacitor lag
22 Aug 23
A pixel circuit includes a photodiode configured to photogenerate image charge in response to incident light.
Woon Il Choi
Filed: 24 Jun 22
Utility
Electronic Camera Module with Integral LED and Light-Pipe Illuminator
17 Aug 23
An electronic camera assembly includes a camera chip cube bonded to camera bondpads of an interposer; at least one light-emitting diode (LED) bonded to LED bondpads of the interposer at the same height as the camera bondpads; and a housing extending from the interposer and LEDs to the height of the camera chip cube, with light guides extending from the LEDs through the housing to a top of the housing.
Teng-Sheng CHEN, Wei-Ping CHEN, Jau-Jan DENG, Wei-Feng LIN
Filed: 17 Feb 22
Utility
High dynamic range CMOS image sensor pixel with reduced metal-insulator-metal lateral overflow integration capacitor reset settling
15 Aug 23
A pixel circuit includes a transfer transistor coupled between a photodiode and a floating diffusion.
Woon Il Choi
Filed: 24 Jun 22