593 patents
Page 6 of 30
Utility
Readout Architectures for Binned Indirect Time-of-flight Sensors
4 May 23
A time-of-flight pixel array includes photodiodes that generate charge in response to incident reflected modulated light.
Andreas Suess, Zheng Yang
Filed: 3 Nov 21
Utility
Readout Architectures for Motion Blur Reduction In Indirect Time-of-flight Sensors
4 May 23
A time-of-flight pixel circuit includes a photodiode configured to generate charge in response to modulated light reflected from an object.
Andreas Suess, Zheng Yang
Filed: 28 Oct 21
Utility
Apparatus and Method for Curved-surface Image Sensor
4 May 23
A curved-surface image-sensor assembly has a porous carrier having a concave surface with a thinned image sensor bonded by an adhesive to its concave surface of the porous carrier; the porous carrier is mounted into a water-resistant package.
Chun-Sheng FAN, Wei-Feng LIN
Filed: 2 Nov 21
Utility
Readout Architecture for Indirect Time-of-flight Sensing
4 May 23
A time-of-flight sensor includes a pixel array of pixel circuits.
Andreas Suess, Zheng Yang
Filed: 28 Oct 21
Utility
Thin, Multi-lens, Optical Fingerprint Sensor Adapted to Image Through Cell Phone Displays
27 Apr 23
A multiple-lens optical fingerprint reader for reading fingerprints through a display has a spacer; and multiple microlenses with concave and convex surfaces in a microlens array, each microlens of multiple lenses focuses light arriving at that microlens from a finger adjacent the display through the spacer forms an image on associated photosensors on a photosensor array of an image sensor integrated circuit.
Jau-Jan DENG, Kuang-Ju WANG, Chun-Jen WEI
Filed: 27 Oct 21
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
Defect Prevention Methods for Pixel-Array Substrates
20 Apr 23
A method for preventing defects in a thin film deposited on a semiconductor substrate includes forming a plurality of trenches on a periphery-region of the semiconductor substrate to yield a trenched surface.
Qin WANG, Gang CHEN
Filed: 20 Dec 22
Utility
Endoscope Tip Assembly Using Cavity Interposer To Allow Coplanar Camera And LEDs
20 Apr 23
A cavity interposer has a cavity, first bondpads adapted to couple to a chip-type camera cube disposed within a base of the cavity at a first level, the first bondpads coupled through feedthroughs to second bondpads at a base of the interposer at a second level; and third bondpads adapted to couple to a light-emitting diode (LED), the third bondpads at a third level.
Teng-Sheng CHEN, Wei-Ping CHEN, Jau-Jan DENG, Wei-Feng LIN, Chun-Sheng FAN
Filed: 18 Oct 21
Utility
Image Sensor with Sub-pixel Photodiode Array with Multiple Mini-wire Grid Polarizers for Polarization Imaging
20 Apr 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
Endoscope Tip Assembly Using Truncated Trapezoid Cavity Interposer To Allow Coplanar Camera And LEDs in Small-Diameter Endoscopes
20 Apr 23
A cavity interposer has a cavity, first bondpads adapted to couple to a chip-type camera cube disposed within a base of the cavity at a first level, the first bondpads coupled through feedthroughs to second bondpads at a base of the interposer at a second level; and third bondpads adapted to couple to a light-emitting diode (LED), the third bondpads at a third level.
Teng-Sheng CHEN, Wei-Ping CHEN, Wei-Feng LIN, Jau-Jan DENG
Filed: 18 May 22
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
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
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
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
Utility
Transistors having increased effective channel width
28 Mar 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
Sensor Watermarking on Raw Images
23 Mar 23
A method and apparatus for embedding a digital watermark in image content that is not visible to the human eye is performed on single-sensor digital camera images (often called ‘raw’ images) from a pixel-array.
Wenshou Chen, Guansong Liu, Boyd Fowler, Ramakrishna Kakarala, Yiyi Ren
Filed: 17 Sep 21