593 patents
Page 11 of 30
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
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
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
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
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
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
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
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
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
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