Samsung Electronics Co., Ltd.

Hiromichi Tanaka

Jung-yeon Kim

Jin Hak Kim

Eugene Fainstain

Yong In Han

A color filter array may include two or more yellow filter pixels, one or more green filter pixels, and one or more cyan filter pixels. The two or more yellow filter pixels may be disposed in a first row or rows in a first direction. The one or more green filter pixels and the one or more cyan filter pixels may be disposed in a second row or rows in the first direction. The first row or rows and the second row or rows may alternate in a second direction perpendicular to the first direction. In the second direction, either the one or more green filter pixels and at least one of the two or more yellow filter pixels alternate or the one or more cyan filter pixels and at least one of the two or more yellow filter pixels alternate.

Image sensors, color filter arrays included in the image sensors, and image pickup apparatuses including the image sensors

An image sensor capable of canceling crosstalk without reduction of a signal to noise ratio (SNR) to improve a sensitivity includes a plurality of light detection units and a filter array including a plurality of filters, with each of the plurality of filters being deposited on a corresponding one of the light detection units. The filter array includes a green filter used to transmit a green component of an incident light, a yellow filter used to transmit a yellow component of the incident light, and a cyan filter used to transmit a cyan component of the incident light.

Image sensor

An image sensor includes a color filter array including a primary color pixel such as a green filter pixel for sensing a predetermined primary color, a first secondary color pixel such as a yellow filter pixel, and a second secondary color pixel such as a cyan filter pixel. The primary color pixel, the first secondary color pixel, and the second secondary color pixel form different area ratios in the color filter array. For example, the area ratio of the yellow filter pixel to the cyan filter pixel and the green filter pixel is 2:1:1 in the color filter array. In addition, the color filters of the pixels are compensated for crosstalk effect. Such an image sensor has enhanced color reproducibility and sensitivity.

Color filter array with reduced crosstalk effect and image sensor and image pickup apparatus having the same

A color filter array of a CMOS image sensor according to an example embodiment may include microlenses, color filters, and/or pixels. The microlenses may be configured to condense incident light. The color filters may be configured to extract colors from light passed through the microlenses. The pixels may be configured to receive colors from the color filters. The color filters may include yellow, green, and cyan filters. A transmission spectrum of select filters may be shifted to offset crosstalk effects from peripheral pixels based on a measured wavelength variation in each select pixel.

Growing community of inventors

Suwon-si, South Korea

Hiromichi Tanaka