301 patents
Page 4 of 16
Utility
Transistors having increased effective channel width
28 Mar 23
Image sensors include a photodiode disposed in a semiconductor substrate and a transistor operatively coupled to the photodiode.
Sing-Chung Hu, Seong Yeol Mun, Bill Phan
Filed: 25 Mar 20
Utility
Anti-spoofing optical fingerprint sensor methods and hardware with color selection
28 Feb 23
An optical fingerprint sensor with spoof detection includes a plurality of lenses; a pixel array including a plurality of first photodiodes, a line between a center of each first photodiode and an optical center of each lens forms an optical axis; at least one apertured baffle-layer positioned between the image sensor and the plurality of lenses, each having a respective plurality of aperture stops, each aperture stop being center-aligned with the optical axis; and a plurality of second photodiodes intercalated with the plurality of first photodiodes; and a color filter layer between the pixel array and the plurality of lenses, said color filter layer includes a plurality of color filters positioned such that each second photodiode is configured to detect electromagnetic energy having passed through lens, a color filter, and at least one aperture stop not aligned along the optical axis.
Paul Wickboldt
Filed: 8 Sep 21
Utility
Ramp generator providing high resolution fine gain including fractional divider with delta-sigma modulator
28 Feb 23
A ramp generator providing ramp signal with high resolution fine gain includes a current mirror having a first and second paths to conduct a capacitor current and an integrator current responsive to the capacitor current.
Lihang Fan, Liang Zuo, Nijun Jiang, Min Qu, Xuelian Liu
Filed: 5 May 20
Utility
Surface-mount device platform and assembly
21 Feb 23
A surface-mount device platform includes a surface-mounting region, a connection region, and a bendable region therebetween, each including a respective part of a base substrate.
Teng-Sheng Chen, Chien-Chan Yeh, Cheng-Fang Chiu, Wei-Feng Lin
Filed: 22 Aug 19
Utility
Uniform threshold voltage non-planar transistors
21 Feb 23
Transistors having nonplanar electron channels in the channel width plane have one or more features that cause the different parts of the nonplanar electron channel to turn on at substantially the same threshold voltage.
Hui Zang, Gang Chen
Filed: 20 May 21
Utility
Method and image sensor with vertical transfer gate and buried backside-illuminated photodiodes
7 Feb 23
A photodiode array has buried photodiodes and vertical selection transistors.
Hui Zang, Gang Chen
Filed: 18 Aug 20
Utility
Laser marked code pattern for representing tracing number of chip
24 Jan 23
A chip comprises a semiconductor substrate having a first side and a second side opposite to the first side, a plurality of conductive metal patterns formed on the first side of the semiconductor substrate, a plurality of solder balls formed on the first side of the semiconductor substrate, and at least one code pattern formed using laser marking on the first side of the semiconductor substrate in a space free from the plurality of conductive metal patterns and the plurality of solder balls, wherein the at least one code pattern is visible from a backside of the chip, the at least one code pattern represents a binary number having four bits; and the binary number represents a decimal number to represent a tracing number of the chip.
Wei-Feng Lin, Chi-Chih Huang
Filed: 25 Jan 19
Utility
Pixel-array substrate and defect prevention method
24 Jan 23
A pixel-array substrate includes a semiconductor substrate and a passivation layer.
Qin Wang, Gang Chen
Filed: 18 Jun 20
Utility
Event filtering in an event sensing system
24 Jan 23
An event sensing system includes a pixel array including a plurality of event driven pixel circuits configured to be illuminated by incident light.
Shoushun Chen, Menghan Guo, Andreas Suess
Filed: 13 Aug 21
Utility
Image sensors with embedded wells for accommodating light emitters
17 Jan 23
An image sensor with embedded wells for accommodating light emitters includes a semiconductor substrate including an array of doped sensing regions respectively corresponding to an array of photosensitive pixels of the image sensor.
Chia-Ying Liu, Wu-Zang Yang, Chia-Jung Liu, Ming Zhang, Yin Qian, Alireza Bonakdar
Filed: 20 Apr 20
Utility
Metal grid structure integrated with deep trench isolation structure
17 Jan 23
A high k passivation layer, an anti-reflective coating layer, and a buffer layer are disposed over semiconductor substrate including photodiodes formed therein.
Seong Yeol Mun, Yibo Zhu, Keiji Mabuchi
Filed: 30 Mar 21
Utility
Event-assisted autofocus methods and apparatus implementing the same
17 Jan 23
A focus method and an image sensing apparatus are disclosed.
Bo Mu, Rui Jiang
Filed: 3 Jan 22
Utility
Tri-gate charge transfer block structure in time of flight pixel
3 Jan 23
A pixel circuit includes a photodiode in semiconductor material to accumulate image charge in response to incident light.
Woon II Choi, Sohei Manabe
Filed: 25 Jul 19
Utility
Optical fingerprint sensor for LCD panel
27 Dec 22
An optical fingerprint sensor (OFPS) for use with a liquid-crystal display (LCD) panel having a backlight module is positioned under the backlight module and captures an image of a fingerprint sensing area on the LCD panel through an aperture in both a reflector and a metal shield of the backlight module.
Tsung-Wei Wan, Wei-Ping Chen
Filed: 28 Apr 21
Utility
Cell deep trench isolation pyramid structures for CMOS image sensors
27 Dec 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-focusing method and associated image sensor
27 Dec 22
An autofocusing method includes capturing an image of a scene with a camera that includes a pixel array; computing a horizontal-difference image, and a vertical-difference image; and combining the horizontal-difference image and the vertical-difference image to yield a combined image.
Boyd Fowler
Filed: 27 Aug 21
Utility
Structured light projector and projector assembly thereof
13 Dec 22
A projector assembly includes three coaxially aligned lenses and an aperture stop.
Tingyu Cheng, Jau-Jan Deng
Filed: 5 Nov 18
Utility
High dynamic range split pixel CMOS image sensor with low color crosstalk
13 Dec 22
A pixel cell includes a plurality of subpixels to generate image charge in response to incident light.
Duli Mao, Bill Phan, Keiji Mabuchi, Seong Yeol Mun, Yuanliang Liu, Vincent Venezia
Filed: 18 May 20
Utility
Active-pixel device assemblies with rough coating for stray-light reduction, and methods for manufacture
6 Dec 22
An active-pixel device assembly with stray-light reduction includes an active-pixel device including a semiconductor substrate and an array of active pixels, a light-transmissive substrate disposed on a light-receiving side of the active-pixel device, and a rough opaque coating disposed on a first surface of the light-transmissive substrate and forming an aperture aligned with the array of active pixels, wherein the rough opaque coating is rough so as to suppress reflection of light incident thereon from at least one side.
Chun-Sheng Fan, Wei-Feng Lin
Filed: 15 May 20
Utility
Trench formation methods
6 Dec 22
Methods of forming trench structures of different depths in a semiconductor substrate are provided.
Hui Zang
Filed: 18 Aug 21