593 patents
Page 12 of 30
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
Image sensor with shared microlens between multiple subpixels
21 Jun 22
An image sensor pixel includes a plurality of photodiodes, a shared microlens, and a plurality of microlenses.
Xiaodong Yang, Guansong Liu, Peng Lin, Chin Poh Pang, Da Meng
Filed: 28 Oct 19
Utility
Image sensor with shared microlens and polarization pixel
21 Jun 22
An image sensor pixel comprises a subpixel and a polarization pixel.
Chin Poh Pang, Boyang Zhang, Guansong Liu, Peng Lin
Filed: 5 Dec 19
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
Light attenuation layer fabrication method and structure for image sensor
14 Jun 22
An image sensor includes a substrate having a plurality of small photodiodes and a plurality of large photodiodes surrounding the small photodiodes.
Hui Zang, Yuanliang Liu
Filed: 28 Jan 20
Utility
Image sensors with quantum efficiency enhanced by inverted pyramids
14 Jun 22
An image sensor with quantum efficiency enhanced by inverted pyramids includes a semiconductor substrate and a plurality of microlenses.
Alireza Bonakdar, Zhiqiang Lin, Bill Phan, Badrinath Padmanabhan
Filed: 30 Jan 20
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
Vertical gate structure and layout in a CMOS image sensor
7 Jun 22
A pixel cell includes a photodiode buried beneath a first side of semiconductor material and coupled to photogenerate image charge in response to incident light.
Hui Zang, Gang Chen
Filed: 16 Oct 19
Utility
Flexible exposure control for image sensors with phase detection auto focus pixels
7 Jun 22
An imaging device includes a photodiode array.
Rui Wang, Eiichi Funatsu, Woon Il Choi, Keiji Mabuchi, Chin Poh Pang, Qingfei Chen, Da Meng, Vivian Wang
Filed: 22 Apr 20
Utility
Image sensor with analog binned readout of image sensing photodiodes with phase detection photodiodes
7 Jun 22
An imaging device includes a first pixel circuit having a first plurality of photodiodes that includes a phase detection autofocus photodiode with image sensing photodiodes.
Qingfei Chen, Chin Poh Pang, Qingwei Shan
Filed: 22 Apr 20
Utility
Dark current calibration method and associated pixel circuitry
31 May 22
Image sensors capable of dark current calibration and associated circuits are disclosed herein.
Keiji Mabuchi
Filed: 2 Nov 20
Utility
Multi-gate lateral overflow integration capacitor sensor
31 May 22
A pixel circuit includes a photodiode, a floating diffusion, and a conduction gate channel of a multi-gate transfer block disposed in a semiconductor material layer.
Woon Il Choi, Keiji Mabuchi
Filed: 17 Dec 19
Utility
Transistor having increased effective channel width
31 May 22
Image sensors include a photodiode formed in a substrate material and a transistor coupled to the photodiode.
Seong Yeol Mun, Young Woo Jung
Filed: 27 Dec 19
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/white pixel devices and methods for lateral overflow image sensors
24 May 22
Image sensors having reduced dark current and white pixel are disclosed herein.
Takuma Hasegawa
Filed: 5 May 21
Utility
Cell deep trench isolation structure for near infrared improvement
17 May 22
A pixel cell includes a photodiode disposed in a pixel cell region and proximate to a front side of a semiconductor layer to generate image charge in response to incident light directed through a backside to the photodiode.
Hui Zang, Cunyu Yang, Gang Chen
Filed: 16 Jul 20