292 patents
Page 7 of 15
Utility
Pixel-array Substrate and Associated Method
28 Apr 22
A pixel-array substrate includes a floating diffusion region and a first photodiode formed in a semiconductor substrate.
Hui ZANG, Gang CHEN
Filed: 26 Oct 20
Utility
Fully Buried Color Filter Array of Image Sensor
14 Apr 22
An image sensor includes a substrate.
Gang Chen, Yuanmei Zheng, Qin Wang, Cunyu Yang, Guannan Chen, Duli Mao, Dyson H. Tai, Lindsay Alexander Grant
Filed: 21 Dec 21
Utility
Pixel Formation Method
14 Apr 22
A method for forming a pixel includes forming, in a semiconductor substrate, a wide trench having an upper depth with respect to a planar top surface of the semiconductor substrate.
Hui ZANG, Gang CHEN
Filed: 20 Dec 21
Utility
Method of Forming Shallow Trench Isolation (Sti) Structure for Suppressing Dark Current
14 Apr 22
A method of fabricating a target shallow trench isolation (STI) structure between devices in a wafer-level image sensor having a large number of pixels includes etching a trench, the trench having a greater depth and width than a target STI structure and epitaxially growing the substrate material in the trench for a length of time necessary to provide the target depth and width of the isolation structure.
Seong Yeol Mun
Filed: 22 Dec 21
Utility
Image Sensor Package
10 Mar 22
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
Image Sensor with Voltage Supply Grid Clamping
10 Mar 22
An image sensing device includes an image sensing circuit, a voltage supply grid, bitlines, and a control circuit.
Chengcheng Xu, Rui Wang, Bi Yuan, Liang Zuo
Filed: 19 Nov 21
Utility
Sample and Hold Switch Driver Circuitry with Slope Control
10 Mar 22
A switch driver circuit includes a plurality of pullup transistors.
Zhe Gao, Ling Fu, Yu-Shen Yang, Tiejun Dai
Filed: 18 Nov 21
Utility
Method and Image Sensor with Vertical Transfer Gate and Buried Backside-illuminated Photodiodes
24 Feb 22
A photodiode array has buried photodiodes and vertical selection transistors.
Hui ZANG, Gang CHEN
Filed: 18 Aug 20
Utility
Image Sensor with Through Silicon Fin Transfer Gate
24 Feb 22
A device includes a photodiode, a floating diffusion region, a transfer gate, and a channel region.
Qin Wang, Gang Chen
Filed: 20 Aug 20
Utility
Image Sensor with Through Silicon Fin Transfer Gate
24 Feb 22
A device includes a photodiode, a floating diffusion region, a transfer gate, and a channel region.
Qin Wang, Gang Chen
Filed: 20 Aug 20
Utility
Cell Deep Trench Isolation Pyramid Structures for Cmos Image Sensors
17 Feb 22
A pixel cell includes a photodiode disposed proximate to a front side of a semiconductor layer to generate image charge in response to incident light directed through a backside of the semiconductor layer.
Hui Zang, Gang Chen, Chao Niu, Zhiqiang Lin
Filed: 13 Aug 20
Utility
Image Sensor with Vertical Transfer Gate and Square Reset and Source Follower Layout
17 Feb 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
Image Sensor with Subtractive Color Filter Pattern
3 Feb 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
Cell Deep Trench Isolation Structure for Near Infrared Improvement
20 Jan 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
Utility
Isolation Structure for Suppressing Floating Diffusion Junction Leakage In Cmos Image Sensor
13 Jan 22
Examples of the disclosed subject matter propose disposing trench isolation structure around the perimeter of the pixel transistor region of the pixel cell.
Seong Yeol Mun, Yuanliang Liu
Filed: 8 Jul 20
Utility
Isolation Structure for Suppression Floating Diffusion Junction Leakage In Cmos Image Sensor
13 Jan 22
Examples of the disclosed subject matter propose disposing deep trench isolation structure around the perimeter of the pixel transistor region of the pixel cell.
Seong Yeol Mun, Bill Phan
Filed: 8 Jul 20
Utility
Metal Deep Trench Isolation Biasing Solution
6 Jan 22
An image sensor includes photodiodes disposed in a pixel region and proximate to a front side of a semiconductor layer.
Hui Zang, Gang Chen, Kenny Geng
Filed: 1 Jul 20
Utility
Image Sensor with Elevated Floating Diffusion
6 Jan 22
A pixel cell with an elevated floating diffusion region is formed to reduce diffusion leakage (e.g., gate induced drain leakage, junction leakage, etc.).
Seong Yeol Mun, Heesoo Kang
Filed: 2 Jul 20
Utility
Pixel-array Substrate and Defect Prevention Method
23 Dec 21
A pixel-array substrate includes a semiconductor substrate and a passivation layer.
Qin WANG, Gang CHEN
Filed: 18 Jun 20
Utility
Electrical Isolation In Pixel-array Substrates Using Combination Trench and Guard Ring and Associated Methods
23 Dec 21
A pixel-array substrate includes a semiconductor substrate with a pixel array, a back surface, and a front surface, and a guard ring formed of a doped semiconductor, enclosing the pixel array, and extending into the semiconductor substrate from the front surface, the back surface forming a trench extending into the semiconductor substrate, the trench overlapping the guard ring.
Yuanwei ZHENG, Sing-Chung HU, Gang CHEN, Dyson TAI, Lindsay GRANT
Filed: 18 Jun 20