301 patents
Page 10 of 16
Utility
Image sensor with voltage buffer for self-test
14 Sep 21
A test voltage sample and hold circuitry is disclosed in a readout circuitry of an image sensor.
Zhiyong Zhan, Tongtong Yu, Xin Wang, Liang Zuo, Kenny Geng
Filed: 18 Feb 20
Utility
Cavityless chip-scale image-sensor package
7 Sep 21
A cavityless chip-scale image-sensor package includes a substrate, a microlens array, and a low-index layer.
Chien-Chan Yeh, Ying-Chih Kuo, Wei-Feng Lin, Chun-Sheng Fan
Filed: 10 Aug 18
Utility
High-dynamic range image sensor and image-capture method
24 Aug 21
A method for capturing a high-dynamic-range image includes: (i) storing a plurality of pixel values representing a first image captured by an image sensor that includes a pixel array, each pixel value having been generated by a respective pixel of a pixel subarray of the pixel array, each pixel being set to one of N1 first exposure values, N1≥1; (ii) determining an exposure-count N2 based on the plurality of pixel values; (iii) setting each pixel to one of a second plurality of exposure values, N2 in number, such that, for each of the second plurality of exposure values, at least one pixel is set to that exposure value, one of the second plurality of exposure values differing from each of the N1 first exposure values by more than a threshold value; and after setting (iv), capturing a second image with the image sensor.
Chengming Liu, Tiejun Dai, Richard Mann
Filed: 5 Jun 19
Utility
Image sensor far end driver circuitry providing fast settling row control signals
17 Aug 21
An image sensor includes a pixel array with rows and columns of pixels.
Rui Wang, Hiroaki Ebihara, Zhiyong Zhan, Liang Zuo, Min Qu, Wanqing Xin, Xuelian Liu
Filed: 15 Nov 19
Utility
Image sensor with electronic global shutter and differential sensing using reset-sampling capacitor shared among multiple image storage capacitors
17 Aug 21
An image sensor has an array of pixel blocks, and each pixel block having associated shutter transistors with each coupled to transfer an image signal comprising a charge dependent on light exposure of a selected pixel onto an image storage capacitor of a plurality of image storage capacitors associated with the pixel block, the image storage capacitors of the pixel block configured to be read through a differential amplifier into an analog to digital converter.
Keiji Mabuchi, Sohei Manabe, Lindsay Grant
Filed: 26 Jul 19
Utility
Multiple camera calibration chart
3 Aug 21
A chart for calibrating a system of multiple cameras, the chart comprising: a background; an array of dots contrasting the background, wherein the array of dots are arranged in rows and columns, wherein the array of dots comprise a first dot array, and a second dot array, wherein the first dot array fully occupies a first region of evenly spaced dots with a first dot density, the second dot array fully occupies a second region of evenly spaced dots with a second dot density, and wherein the second region is enclosed within the first region; a group of first markers in the first region, a group of second markers in the second region, and a third marker at the center of the chart, wherein each second marker is closer to the third marker than each first marker.
Shan Xu, Xinting Gao, Bin Chen, Ye Tao, Guansong Liu, Lu Chang
Filed: 20 Jun 17
Utility
Anti-reflective coating with high refractive index material at air interface
27 Jul 21
An optical element comprising a transparent substrate and an anti-reflective coating, wherein the anti-reflective coating further comprises at least a transparent, high refractive index layer and a transparent, low refractive index layer, wherein the high refractive index layer is in contact with the low refractive index layer; and wherein the high refractive index layer is situated at an interface between the anti-reflective coating and air.
Chun-Sheng Fan, Chen-Wei Tsai, Wei-Feng Lin
Filed: 12 Mar 20
Utility
LCOS display with light absorbing material between pixels
27 Jul 21
An example liquid crystal display device includes a circuit substrate, an array of conductive mirrors formed on the substrate, a light absorbing material disposed between the conductive mirrors, a transparent plate disposed over the array of conductive mirrors, and liquid crystal material disposed between the conductive mirrors and the transparent plate.
Pei-Wen Ko, Chun-Sheng Fan
Filed: 18 Oct 18
Utility
Imaging system and bimodal zoom lens thereof
13 Jul 21
A bimodal zoom lens includes three coaxially aligned lenses including a first lens, a third lens, and a second lens therebetween.
Tingyu Cheng, Jau-Jan Deng
Filed: 9 Jan 19
Utility
Light-shielded cameras and methods of manufacture
13 Jul 21
A method for manufacturing light-shielded cameras includes forming a plurality of camera dies by dicing a camera wafer stack including (a) an image sensor wafer having a plurality of image sensors, (b) a cover glass bonded to the image sensor wafer, and (c) a lens wafer bonded to the cover glass and having a plurality of lenses, to form a plurality of camera dies.
Teng-Sheng Chen, Wei-Ping Chen, Ying Chung, Chen-Yu Hung
Filed: 11 Oct 19
Utility
High-dynamic range image sensor and image-capture method
13 Jul 21
An image sensor includes a pixel array, and a first, second, and an intermediate memory-element.
Chengming Liu, Tiejun Dai, Richard Mann
Filed: 3 Sep 19
Utility
Image-sensor chip-scale package and method for manufacture
6 Jul 21
A method for fabricating an image-sensor chip-scale package includes bonding, with temporary adhesive, a glass wafer to a device wafer including an array of image sensors.
Chien-Chan Yeh, Ying-Chih Kuo
Filed: 11 Oct 19
Utility
Solder mask dam design
29 Jun 21
An image sensor package includes a transparent material, and a substrate adhered to the transparent material.
Chien-Chan Yeh
Filed: 7 Nov 18
Utility
Charge collection gate with central collection photodiode in time of flight pixel
22 Jun 21
A pixel circuit includes a photodiode disposed in a semiconductor material layer to accumulate image charge in response to light incident upon the photodiode.
Woon Il Choi
Filed: 25 Jul 19
Utility
Enhanced shutter efficiency time-of-flight pixel
8 Jun 21
A time-of-flight pixel array comprises multiple pixel cells.
Eric Webster
Filed: 22 Jul 19
Utility
Correlated time-of-flight sensor
8 Jun 21
A time-of-flight (TOF) sensor includes a light source structured to emit light and a plurality of avalanche photodiodes.
Olivier Bulteel, Eric A. G. Webster, Lindsay Grant
Filed: 20 Apr 18
Utility
Collimator for under-display optical fingerprint sensing
25 May 21
A collimator for under-display fingerprint sensing includes (a) a substrate having opposite facing first and second sides, (b) an array of microlenses disposed on the first surface for focusing light from a fingerprint surface onto a focal plane that is between the array of microlenses and the second side of the substrate such that the light, as projected by the array of microlenses, is diverging when exiting the second side of the substrate, and (c) an array of apertures between the array of microlenses and the substrate, wherein each of the apertures is aligned to and cooperates with a respective one of the microlenses to form a field-of-view-limited lens having a field of view corresponding to a respective local portion of the fingerprint surface.
Paul Wickboldt
Filed: 29 Jan 20
Utility
LED flicker reduction for high dynamic range imaging
25 May 21
A system for capturing a high dynamic range (HDR) image comprises an image sensor comprising a split pixel including a first pixel having higher effective gain and a second pixel having lower effective gain.
Liangtao Jiang, Peng Lin
Filed: 19 Aug 19
Utility
3D imaging using phase detection autofocus (PDAF) image sensor
4 May 21
A 3D imaging system comprises a phase detection autofocus (PDAF) image sensor, a lens for imaging a cross-section of a 3D object on the PDAF image sensor and an actuator for driving the lens for focusing each cross-section of the 3D object on the PDAF image sensor.
Anson Chan, Lequn Liu, Suganda Jutamulia
Filed: 21 Aug 19
Utility
Image-sensor package and associated method
4 May 21
An image-sensor package includes a cover glass, an image sensor, and an integrated circuit.
Wei-Feng Lin, Chun-Sheng Fan
Filed: 22 Sep 18