292 patents
Page 6 of 15
Utility
Arithmetic Logic Unit Design In Column Analog to Digital Converter with Shared Gray Code Generator for Correlated Multiple Samplings
25 Aug 22
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
Transistor Having Increased Effective Channel Width
4 Aug 22
Methods of forming transistors include providing a substrate material, forming a recess to a first depth in the substrate material, the recess corresponding to a gate region and extending in a channel length direction and a channel width direction that is perpendicular to the channel length direction, forming a trench structure in the substrate material by deepening the recess to a second depth using an isotropic process, forming an isolation layer on the substrate material, forming a gate portion of the isolation layer on the substrate material such that the gate portion of the isolation layer extends into the trench structure, and forming a gate on the isolation layer such that the gate extends into the trench structure.
Seong Yeol Mun, Young Woo Jung
Filed: 22 Apr 22
Utility
Image Sensor with In-pixel Background Subtraction and Motion Detection
4 Aug 22
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
Techniques for Measuring Depth and Polarization from a Single Sensor
4 Aug 22
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
Digital Time Stamping Design for Event Driven Pixel
28 Jul 22
An event driven pixel includes a photodiode configured to photogenerate charge in response to incident light received from an external scene.
Tiejun Dai, Shoushun Chen, Zhe Gao
Filed: 22 Jan 21
Utility
Color Cmos Image Sensor with Diffractive Microlenses Over Subpixel Photodiode Arrays Adapted for Autofocus
28 Jul 22
An image sensor has diffractive microlenses over pixels with central structures and ring(s) of material having index of refraction different from that of background material.
Victor Lenchenkov, Andreas Suess
Filed: 14 Jan 22
Utility
Thin, Multi-lens, Optical Fingerprint Sensor Adapted to Image Through Cell Phone Displays
21 Jul 22
A multiple-lens optical fingerprint reader for reading fingerprints through a display has an image sensor integrated circuit with photosensor array(s); a spacer; and multiple lenses in a microlens array, each lens of multiple lenses focuses light arriving at that lens from a finger adjacent the display through the spacer to form an image on associated photosensors on a photosensor array of the integrated circuit.
Tsung-Wei WAN, Wei-Ping CHEN, Jau-Jan DENG, Kuang-ju WANG
Filed: 15 Jan 21
Utility
Reduced Cross-talk Pixel-array Substrate and Fabrication Method
30 Jun 22
A pixel-array substrate includes a semiconductor substrate, a buffer layer, and a metal annulus.
Seong Yeol MUN
Filed: 30 Dec 20
Utility
Comparator First Stage Clamp
23 Jun 22
A comparator includes a first stage including a first output to generate a first output signal that transitions between an upper and lower voltage level in response to a comparison of first and second inputs of the first stage.
Hiroaki Ebihara, Chengcheng Xu
Filed: 18 Dec 20
Utility
Optical Sensor with Simultaneous Image/video and Event Driven Sensing Capabilities
23 Jun 22
An optical sensor includes a pixel array of pixel cells.
Zhe Gao, Tiejun Dai, Ling Fu, Qing Qin, Andreas Suess
Filed: 17 Dec 20
Utility
Semiconductor Substrate with Passivated Full Deep-trench Isolation and Associated Methods of Manufacture
23 Jun 22
An image sensor with passivated full deep-trench isolation includes a semiconductor substrate, the substrate including a plurality of sidewalls that form a plurality of trenches that separates pixels of a pixel array, and a passivation layer lining the plurality of sidewall surfaces and the back surface of the semiconductor substrate.
Cynthia Sun Yee LEE, Shiyu SUN
Filed: 23 Dec 20
Utility
Fabrication Process of Vertical-channel, Silicon, Field-effect Transistors
23 Jun 22
A method of fabricating transistors with a vertical gate in trenches includes lithographing to form wide trenches; forming dielectric in the trenches and filling the trenches with flowable material; and lithography to form narrow trenches within the wide trenches thereby exposing well or substrate before epitaxially growing semiconductor strips atop substrate exposed by the narrow trenches; removing the flowable material; growing gate oxide on the semiconductor strip; forming gate conductor over the gate oxide and into gaps between the epitaxially-grown semiconductor strips and the dielectric; masking and etching the gate conductor; and implanting source and drain regions.
Yuanliang LIU, Hui ZANG
Filed: 18 Dec 20
Utility
Event Driven Pixel for Spatial Information Extraction
23 Jun 22
An event driven sensor includes an arrangement of photodiodes including an inner portion laterally surrounded by an outer portion.
Zhe Gao, Ling Fu, Qing Qin, Tiejun Dai
Filed: 17 Dec 20
Utility
Flicker-mitigating Pixel-array Substrate
16 Jun 22
A flicker-mitigating pixel-array substrate includes a semiconductor substrate and a metal layer.
Yuanliang LIU, Hui ZANG
Filed: 10 Dec 20
Utility
Flicker-mitigating Pixel-array Substrate
16 Jun 22
A flicker-mitigating pixel-array substrate includes a semiconductor substrate and a metal annulus.
Yuanliang LIU, Bill PHAN, Duli MAO, Hui ZANG
Filed: 10 Dec 20
Utility
Pixel Level Expandable Memory Array for Voltage Domain Global Shutter
16 Jun 22
A sample and hold (SH) circuit includes a pixel level connection coupled to a pixel cell.
Boyd Fowler
Filed: 3 Dec 21
Utility
Method for Forming Led Flickering Reduction (LFR) Film for HDR Image Sensor and Image Sensor Having Same
9 Jun 22
A pixel array for a high definition (HD) image sensor is disclosed.
Seong Yeol Mun
Filed: 7 Dec 20
Utility
Semiconductor Device with Buried Metal Pad, and Methods for Manufacture
26 May 22
A semiconductor device that includes a metal pad buried in the semiconductor substrate that is electrically connected to a metal interconnection structure and electrically isolated from the semiconductor substrate.
Yin QIAN, Ming ZHANG, Dyson H. TAI, Lindsay GRANT
Filed: 24 Nov 20
Utility
Dark Current Calibration Method and Associated Pixel Circuitry
5 May 22
Image sensors capable of dark current calibration and associated circuits are disclosed herein.
Keiji Mabuchi
Filed: 2 Nov 20
Utility
Pointed-trench Pixel-array Substrate and Associated Fabrication Method
28 Apr 22
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