Samsung Electronics Co., Ltd.

Other

Firstface Co., Ltd.

Jaekyu Lee

Kiseok Suh

Heesung Shim

Jaelark Jung

Jaeyong Jang

Jungwoo Song

Byounghee Lee

Yong Kwan Kim

Minwoong Seo

Sanghyun Hong

Tae Eung Yoon

Dongseok Cho

Minwoo Oh

Youngmin Kang

JungChak Ahn

Myunglae Chu

Hyunju Lee

Dongmo Im

Suho Jo

Seokhan Park

Seoksan Kim

SeungSik Kim

Sungyong Kim

Gwideok Ryan Lee

Kijae Hur

Wooyeong Cho

Jungmin Yang

Sung In Kim

Jaerok Kahng

Yongjun Kim

Seungsik Kim

Seunghyun Lim

Min-Woong Seo

Changkyu Kim

Byung-Joon Baek

Jongyeon Lee

Junan Lee

Garam Yu

Sungjae Jun

Kyoung Cho Na

Hwanho Lee

Kiwoong Cha

An image sensor is disclosed. The image sensor includes a plurality of pixels arranged in a plurality of rows and a plurality of columns, each of the pixels including: a photodiode; a floating diffusion node configured to accumulate photocharges generated from the photodiode; a first capacitor configured to store charges according to a voltage of the floating diffusion node which is reset; a second capacitor configured to store charges according to a voltage of the floating diffusion node in which the photocharges are accumulated; a first sampling transistor connected to a first output node and configured to sample charges to the first capacitor; a second sampling transistor connected to the first output node and configured to sample charges to the second capacitor; and at least one precharge select transistor connected to the first output node and configured to reset the first output node.

Image sensor

An image sensor comprising a pixel array in which a plurality of pixels are arranged and a row driver. Each of the pixel includes a photodiode, a transfer transistor for transferring photocharges of the photodiode to a floating diffusion node (FD), a conversion gain control transistor, a first source follower for amplifying and outputting the voltage of the FD to a first node, a precharge selection transistor connected between the first node and a second node, a first capacitor, a first sampling transistor connected between the second node and the first capacitor, a second capacitor, a second sampling transistor connected between the second node and the second capacitor, a second source follower for amplifying a voltage of the second node, a first selection transistor connected between the second source follower and a column line, and a second selection transistor connected between the first node and the column line.

Image sensor comprising pixels usable in both rolling shutter and global shutter mode and image processing device including the same

Disclosed is an image sensor. Each of a plurality of pixels includes a photo diode, a transfer transistor connected between the photo diode and a floating diffusion node, a reset transistor connected between the floating diffusion node and a first power node to which a first power supply voltage is applied, a first source follower transistor including a gate connected to the floating diffusion node, a first terminal connected to a second power node to which a second power supply voltage is applied, and a second terminal connected to a first node, a precharge transistor connected between the first node and a floating node, a first precharge select transistor connected between the floating node and a ground node, a second precharge select transistor connected between the first node and a second node, and a first capacitor connected between a gate of the precharge transistor and the floating node.

Image sensor preventing image degradation

Home screen contents may be provided simultaneously while a communication terminal switches to an active mode from an inactive mode. The home screen contents correspond to an application installed in the communication terminal, and a user may set an application which desires the home screen contents to selectively receive the home screen contents.

Method, communication terminal, and computer-readable recording medium for controlling home screen of communication terminal

An image sensor including: first and second capacitors; a first transistor between a photodiode and a floating diffusion node, and receiving a transfer signal; a second transistor between a first power terminal and the floating diffusion node and receiving a reset signal; a third transistor between a second power terminal and a first node and having a gate connected to the floating diffusion node; a fourth transistor between the first node and a column line and receiving a precharge signal; a fifth transistor between the first capacitor and a feedback node and receiving a first sampling signal; a sixth transistor between the second capacitor and feedback node and receiving a second sampling signal; a seventh transistor between the first node and feedback node and receiving a first switch signal; and an eighth transistor between the floating diffusion and feedback nodes and receiving a second switch signal.

Image sensor, an imaging device and a method of operating the same

An image sensor includes a substrate including a first surface and a second surface, a first transmission gate electrode on the first surface of the substrate, a storage node on the first surface of the substrate and including a first storage gate electrode isolated from direct contact with the first transmission gate electrode, a dielectric layer on the first storage gate electrode, and a semiconductor layer on the dielectric layer. The image sensor may include a first cover insulating layer on the semiconductor layer and vertically overlapping the first transmission gate electrode, and an organic photoelectric conversion layer on an upper surface of the semiconductor layer and an upper surface of the first cover insulating layer.

Image sensors

A method for providing a content using the first screen of a portable communication terminal is provided. The method comprises the steps of: registering a first content as a content of interest; and providing a second content in the first screen displayed on a display unit when the communication terminal is switched from an inactive state to an active state. Here, the second content, which corresponds to a content related to the first content, is determined on the basis of the first content.

Method for providing content using first screen of portable communication terminal

Provided are a pixel array and an image sensor. The pixel array includes a plurality of pixels, which are arranged in a matrix form and which convert an optical signal into an electrical signal. The pixel array includes a first pixel arranged in a first row of the pixel array and a second pixel arranged in a second row of the pixel array, wherein each of the first pixel and the second pixel includes a first memory storing a digital reset value according to internal noise, the first memory of the first pixel stores m-bit data (where m is a natural number equal to or greater than 2), and the first memory of the second pixel stores n-bit data (where n is a natural number less than m).

Pixel array and image sensor including the same

Provided is a method of providing information through a mobile device, in which an information providing screen is outputted only during the first activation performed within a predetermined time range designated by a user. Therefore, inconvenience resulting from repetitive outputs of the information providing screen can be resolved.

Information providing method using mobile device

A method of driving an image sensor includes integrating an overflowed charge from a photodiode in the floating diffusion area and a dynamic range capacitor. The dynamic range capacitor is formed between the floating diffusion area and a power supply voltage. The method further includes sampling a first voltage formed in the floating diffusion area by the integrated overflowed charge, resetting the photodiode, the floating diffusion area, and the dynamic range capacitor, sampling a reset level of the reset floating diffusion area, transferring a charge accumulated in the photodiode to the floating diffusion area, and sampling a second voltage formed in the floating diffusion area.

Image sensor and driving method thereof

An image sensor includes a plurality of pixels. Each of the plurality of pixels includes a photodetector that includes a photoelectric conversion element that outputs a detection signal in response to light incident thereon, a comparator that compares the detection signal of the photodetector with a ramp signal and outputs a comparison signal in response thereto, a plurality of first memory cells that store a first counting value corresponding to a first voltage level of the detection signal using the comparison signal of the comparator and output the first counting value through a plurality of transmission lines, and a plurality of second memory cells that store a second counting value corresponding to a second voltage level of the detection signal using the comparison signal of the comparator and output the second counting value through the plurality of transmission lines.

Image sensor including digital pixel

An image sensor in which a pixel array and a memory cell array are merged includes a first semiconductor chip including the pixel array and the memory cell array in a same semiconductor chip, and a second semiconductor chip overlapping the first semiconductor chip in a vertical direction. The second semiconductor chip includes a first logic circuit that controls the pixel array, an analog-to-digital converter (ADC) that converts an analog signal output from the pixel array under control of the first logic circuit to a digital signal, and a second logic circuit that stores data that is output from the ADC circuit based on the digital signal to the memory cell array of the first semiconductor chip.

Image sensors in which pixel array and memory cell array are merged and electronic devices including the same

An image sensor chip may include a first sub-chip, a second sub-chip on the first sub-chip, and an interconnector between the first and second sub-chips. The first sub-chip may include a first substrate, a bottom electrode on a first region of the first substrate, and a first capacitor on the bottom electrode. The first capacitor may include a plurality of first electrodes vertically extending from a top surface of the bottom electrode, a second electrode on the first electrodes, and a first dielectric layer between the second electrode and the first electrodes. The second sub-chip may include a pixel array configured to convert incident light into an electrical signal. The pixel array may be electrically connected through the interconnector to the first capacitor.

Image sensor chips having sub-chips

Growing community of inventors

Seongnam-si, South Korea

Jaekyu Lee