View source for 18335488. IMAGE SENSOR PERFORMING SELECTIVE MULTIPLE SAMPLING AND OPERATING METHOD THEREOF simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

=IMAGE SENSOR PERFORMING SELECTIVE MULTIPLE SAMPLING AND OPERATING METHOD THEREOF=


==Organization Name==

[[:Category:SAMSUNG ELECTRONICS CO., LTD.|SAMSUNG ELECTRONICS CO., LTD.]]


[[Category:SAMSUNG ELECTRONICS CO., LTD.]]

==Inventor(s)==

[[:Category:Chanho Chun of Suwon-si (KR)|Chanho Chun of Suwon-si (KR)]][[Category:Chanho Chun of Suwon-si (KR)]]

[[:Category:Kyung-Min Kim of Suwon-si (KR)|Kyung-Min Kim of Suwon-si (KR)]][[Category:Kyung-Min Kim of Suwon-si (KR)]]

[[:Category:Min-Sun Keel of Suwon-si (KR)|Min-Sun Keel of Suwon-si (KR)]][[Category:Min-Sun Keel of Suwon-si (KR)]]

[[:Category:Donghyun Kim of Suwon-si (KR)|Donghyun Kim of Suwon-si (KR)]][[Category:Donghyun Kim of Suwon-si (KR)]]

[[:Category:Mira Lee of Suwon-si (KR)|Mira Lee of Suwon-si (KR)]][[Category:Mira Lee of Suwon-si (KR)]]

==IMAGE SENSOR PERFORMING SELECTIVE MULTIPLE SAMPLING AND OPERATING METHOD THEREOF - A simplified explanation of the abstract==


This abstract first appeared for US patent application 18335488 titled 'IMAGE SENSOR PERFORMING SELECTIVE MULTIPLE SAMPLING AND OPERATING METHOD THEREOF

==Simplified Explanation==

The abstract describes an image sensor that includes a pixel array with multiple pixels, each having a first and second photodiode. The first photodiode outputs a first pixel signal based on a first conversion gain in a third period, and a fourth pixel signal based on a second conversion gain in a fourth period. The second photodiode outputs a first pixel signal based on a first conversion gain in a first period, and a second pixel signal based on a second conversion gain in a second period. An ADC circuit samples the reset signal and image signal of each pixel signal, with the sampling count and number of sampling bits adjusted differently for each period.

* The image sensor has a pixel array with multiple pixels, each containing two photodiodes.
* Each pixel outputs different pixel signals based on different conversion gains and using different photodiodes in different periods.
* An ADC circuit samples the reset signal and image signal of each pixel signal.
* The sampling count and number of sampling bits are adjusted differently for each period.

Potential applications of this technology:
* Digital cameras and smartphones: The image sensor can improve image quality and dynamic range, resulting in better photos and videos.
* Surveillance systems: The image sensor can capture clearer and more detailed images, enhancing security monitoring.
* Medical imaging: The technology can be used in X-ray or ultrasound imaging devices to improve image quality and diagnostic accuracy.

Problems solved by this technology:
* Limited dynamic range: By using different conversion gains and photodiodes, the image sensor can capture a wider range of light intensities, reducing overexposure and underexposure in images.
* Noise reduction: The ADC circuit's sampling of the reset signal helps reduce noise in the pixel signals, resulting in cleaner and more accurate image data.

Benefits of this technology:
* Improved image quality: The use of different conversion gains and photodiodes allows for better capture of details and a wider dynamic range, resulting in higher-quality images.
* Enhanced low-light performance: The image sensor's ability to adjust conversion gains and utilize different photodiodes improves sensitivity to light, enabling better image capture in low-light conditions.
* Reduced noise: The ADC circuit's sampling of the reset signal helps reduce noise in the pixel signals, leading to cleaner and more accurate image data.


==Original Abstract Submitted==

Disclosed is an image sensor including a pixel array including a plurality of pixels, each of the pixels including a first photodiode and a second photodiode, each of which outputs a first pixel signal based on a first conversion gain using the second photodiode in a first period, outputs a second pixel signal based on a second conversion gain using the second photodiode in a second period, outputs a third pixel signal based on the first conversion gain using the first photodiode in a third period, and outputs a fourth pixel signal based on the second conversion gain using the first photodiode in a fourth period, an ADC circuit that performs sampling on a reset signal and an image signal of each of the first to fourth pixel signal. A sampling count and the number of sampling bits are adjusted differently from each of the first to fourth period.



[[Category:H04N25/772]]
[[Category:H04N25/76]]
[[Category:H04N25/771]]
[[Category:H04N25/59]]
[[Category:H04N25/65]]
[[Category:H04N25/616]]