301 patents
Page 3 of 16
Utility
Reduced cross-talk pixel-array substrate and fabrication method
4 Jul 23
A pixel-array substrate includes a semiconductor substrate, a buffer layer, and a metal annulus.
Seong Yeol Mun
Filed: 30 Dec 20
Utility
Video coding device and method
4 Jul 23
A video encoding method includes (i) determining a current bit rate of a communication channel between a destination device and a source device that stores an input video frame, and (ii) generating a current reconstructed frame and an encoded bitstream at least in part via inter-frame coding of a current input video frame of a sequence of input video frames using a previously-generated reconstructed frame generated at least in part via inter-frame coding of a previous input video frame.
Hitoshi Watanabe
Filed: 8 Sep 21
Utility
Image sensor with through silicon fin transfer gate
23 May 23
A device includes a photodiode, a floating diffusion region, a transfer gate, and a channel region.
Qin Wang, Gang Chen
Filed: 20 Aug 20
Utility
Image sensor with through silicon fin transfer gate
23 May 23
A device includes a photodiode, a floating diffusion region, a transfer gate, and a channel region.
Qin Wang, Gang Chen
Filed: 20 Aug 20
Utility
Dual row select pixel for fast pixel binning
23 May 23
A pixel array includes pixel cells, each including photodiodes.
Tiejun Dai, Hiroaki Ebihara, Sang Joo Lee, Rui Wang, Hiroki Ui
Filed: 8 Oct 20
Utility
Differential subrange ADC for image sensor
23 May 23
A differential subrange analog-to-digital converter (ADC) converts differential analog image signals received from sample and hold circuits to a digital signal through an ADC comparator.
Chao-Fang Tsai, Zheng Yang, Chun-Hsiang Chang
Filed: 2 Dec 21
Utility
Imaging system for detecting human-object interaction and a method for detecting human-object interaction
16 May 23
The present application discloses an imaging system for detecting human-object interaction and a method for detecting human-object interaction thereof.
Shimiao Li, Zhongyang Huang, Guansong Liu
Filed: 5 Aug 21
Utility
Layout design of dual row select structure
16 May 23
A pixel array includes pixel cells disposed in semiconductor material.
Sang Joo Lee, Rui Wang, Hiroaki Ebihara, Tiejun Dai, Hiroki Ui
Filed: 8 Oct 20
Utility
Image sensor with sub-pixel photodiode array with multiple mini-wire grid polarizers for polarization imaging
9 May 23
An image sensor configured to resolve intensity and polarization has multiple pixels each having a single microlens adapted to focus light on a central photodiode surrounded by at least a first, a second, a third, and a fourth peripheral photodiodes, where a first polarizer at a first angle is disposed upon the first peripheral photodiode, a third polarizer at a third angle is disposed upon the third peripheral photodiode, a second polarizer at a second angle is disposed upon the second peripheral photodiode, and a fourth polarizer at a fourth angle is disposed upon the fourth peripheral photodiode, the first, second, third, and fourth angles being different.
Victor Lenchenkov
Filed: 14 Oct 21
Utility
Determining depth information from a single camera
9 May 23
An optical system comprises an imaging lens for imaging an object to an image and a sensing pixel array for detecting lights from the object toward the image.
Richard Mann, Badrinath Padmanabhan, Boyd Fowler, Alireza Bonakdar, Eiichi Funatsu
Filed: 5 Dec 20
Utility
Method for forming LED flickering reduction (LFR) film for HDR image sensor and image sensor having same
9 May 23
A pixel array for a high definition (HD) image sensor is disclosed.
Seong Yeol Mun
Filed: 7 Dec 20
Utility
Tilted transfer gate for advanced CMOS image sensor
25 Apr 23
A pixel circuit includes a trench etched into a front side surface of a semiconductor substrate.
Qin Wang
Filed: 26 Feb 21
Utility
Arithmetic logic unit design in column analog to digital converter with shared gray code generator for correlated multiple samplings
18 Apr 23
An arithmetic logic unit (ALU) includes a front end latch stage coupled to latch Gray code (GC) outputs of a GC generator in response to a comparator output.
Lihang Fan, Min Qu, Chao-Fang Tsai, Chun-Hsiang Chang
Filed: 19 Feb 21
Utility
Low power static random-access memory
11 Apr 23
A low power SRAM (static RAM) for an image sensor includes a voltage generation circuit for providing a positive supply voltage VP and a negative supply VN, wherein VDD>Vp>Vn>Vgnd; a plurality of memory cells coupled to a respective plurality of column sense lines in a pixel array, the plurality of memory cells receiving differential inputs dp and dn; and a Gray counter coupled to switchably couple VP and VN to the differential inputs dp and dn of the plurality of memory cells.
Robert Johansson
Filed: 7 Jun 21
Utility
Transistors having increased effective channel width
11 Apr 23
Image sensors include a photodiode disposed in a semiconductor substrate and a transistor operatively coupled to the photodiode.
Sing-Chung Hu, Seong Yeol Mun, Bill Phan
Filed: 25 Mar 20
Utility
Image sensor package
11 Apr 23
A method of image sensor package fabrication includes forming a recess in a transparent substrate, depositing conductive traces in the recess, inserting an image sensor in the recess so that the image sensor is positioned in the recess to receive light through the transparent substrate, and inserting a circuit board in the recess so that the image sensor is positioned between the transparent substrate and the circuit board.
Wei-Feng Lin, Ying-Chih Kuo, Ying Chung
Filed: 18 Nov 21
Utility
Current steering ramp compensation scheme and digital circuit implementation
11 Apr 23
A ramp generator includes a plurality of switched current sources coupled in parallel between a resistor and ground.
Tao Sun
Filed: 30 Mar 21
Utility
Method for detecting spoof fingerprints with an under-display fingerprint sensor
4 Apr 23
A method for detecting spoof fingerprints with an under-display fingerprint sensor includes illuminating, with incident light emitted from a display, a target region of a fingerprint sample disposed on a top surface of the display; detecting a first scattered signal from the fingerprint sample with a first image sensor region of an image sensor located beneath the display, the first image sensor region not directly beneath the target region, the first scattered signal including a first portion of the incident light scattered by the target region; determining a scattered light distribution based at least in part on the first scattered signal; and identifying spoof fingerprints based at least in part on the scattered light distribution.
Paul Wickboldt
Filed: 8 Sep 21
Utility
Pyramid-shaped transistors
4 Apr 23
Transistors include a pyramid-shaped gate trench defined by a triangular shape or a trapezoidal shape in a channel width plane and a trapezoidal shape in a channel length plane.
Hui Zang, Gang Chen
Filed: 20 May 21
Utility
Image sensor with in-pixel background subtraction and motion detection
4 Apr 23
An imaging system includes a pixel array configured to generate image charge voltage signals in response to incident light received from an external scene.
Zhiyong Zhan, Tongtong Yu, Zheng Yang, Wei Deng
Filed: 4 Feb 21