301 patents
Page 6 of 16
Utility
Image sensor with shared gray code generator and parallel column arithmetic logic units
30 Aug 22
A readout circuit for use in an image sensor includes a plurality of comparators.
Lihang Fan, Min Qu, Yu-Shen Yang, Charles Qingle Wu
Filed: 21 Apr 20
Utility
Event driven pixel for spatial information extraction
30 Aug 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 vertical transfer gate and square reset and source follower layout
16 Aug 22
A CMOS image sensor has an array of photodiode cells, the photodiode cells each include four buried photodiodes coupled by vertical transfer gate transistors to a single floating node diffusion.
Hui Zang, Gang Chen
Filed: 17 Aug 20
Utility
Dual conversion gain image sensor
16 Aug 22
The present invention provides a dual conversion gain image sensor comprising: a pixel circuit, through which pixel power supply voltage noise is transferred to a bit line; a power supply noise cancellation circuit with an input to which the pixel power supply voltage is applied, the power supply noise cancellation circuit mimicly producing a first transfer function with the aid of a low conversion gain path, the power supply noise cancellation circuit mimicly producing a second transfer function with the aid of a high conversion gain path; and a comparator.
Yunyi Wang, Zejian Wang, Yusheng Yang
Filed: 23 Aug 21
Utility
Image sensor with subtractive color filter pattern
9 Aug 22
An image sensor includes a photodiode array and a color filter array optically aligned with the photodiode array.
Chen-Wei Lu, Yin Qian, Eiichi Funatsu, Jin Li
Filed: 3 Aug 20
Utility
Semiconductor device with buried metal pad, and methods for manufacture
2 Aug 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
Semiconductor structure and method of manufacturing the same
2 Aug 22
A semiconductor structure is provided.
Chun-Sheng Fan, Wei-Feng Lin
Filed: 13 Jun 19
Utility
Auto-zero techniques for lateral overflow integrating capacitor (LOFIC) readout image sensor
26 Jul 22
Switching techniques for fast voltage settling in image sensors are described.
Zhe Gao, Tiejun Dai
Filed: 13 Nov 20
Utility
Flare-suppressing image sensor
19 Jul 22
A flare-suppressing image sensor includes a first pixel formed in a substrate and a refractive element located above the first pixel.
Alireza Bonakdar, Zhiqiang Lin, Chen-Wei Lu
Filed: 30 Jan 20
Utility
Comparator first stage clamp
5 Jul 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
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
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
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