# US 9,883,150 B2 · Solid state imaging device, imaging device, and electronic device for control of color and luminance resolutions

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- Number: US 9,883,150 B2
- Document ID: US9883150B2
- Status: Granted
- Kind: B2
- Application number: 14/913,505
- Filed: 2014-09-12
- Published: 2016-07-14
- Granted: 2018-01-30
- Earliest claimed: 2013-09-25
- Assignees: Sony Corporation
- Applicants: Sony Corporation
- Inventors: Isao Hirota
- Web page: https://patentgrep.com/patent/US9883150B2

## CPC

- H04N 23/843: {Demosaicing, e.g. interpolating colour pixel values}
- H04N 25/13: characterised by the spectral characteristics of the filter elements
- H04N 25/131: including elements passing infrared wavelengths
- H04N 25/133: including elements passing panchromatic light, e.g. filters passing white light
- H04N 25/135: {based on four or more different wavelength filter elements}
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

The present technology relates to a solid state imaging device, an imaging device, and an electronic device capable of improving color resolution and luminance resolution, and reducing a false color. White W as a luminance main component is arranged in a checkered pattern. A unit of two green G pixels are arranged in each of rows and columns in a range of 8 pixels×8 pixels to increase uniformity of green G and thereby improve resolution of green G. Moreover, rows and columns containing blue B are separated from rows and columns containing red R to improve resolution. Furthermore, white W, blue B, and red R are arranged to surround isolated point pixels corresponding to lost pixels of white W, blue B, and red R for easy interpolation.

## Claims

### Claim 1

A solid state imaging device, comprising:
luminance pixels that detect light containing luminance as a main component;
first pixels that detect light having a first wavelength;
second pixels that detect light having a second wavelength; and
third pixels that detect light having a third wavelength,
wherein the luminance pixels, the first pixels, the second pixels, and the third pixels are arranged such that a pixel number ratio of the luminance pixels, the first pixels, the second pixels, and the third pixels becomes 6:4:3:3, and
wherein the second pixels and third pixels are further arranged to uniformly surround lost positions of the second pixels and third pixels, respectively.

### Claim 2 (depends on 1)

The solid state imaging device according to claim 1,
wherein the respective lost positions of the second pixels and the third pixels are arranged at equal intervals in at least one of a horizontal direction or a vertical direction.

### Claim 3 (depends on 1)

The solid state imaging device according to claim 1,
wherein the luminance pixels are further arranged to uniformly surround lost positions of the luminance pixels.

### Claim 4 (depends on 1)

The solid state imaging device according to claim 1,
wherein the first pixels are randomly arranged.

### Claim 5 (depends on 1)

The solid state imaging device according to claim 1,
wherein the first pixels are further arranged such that a same number of the third pixels are in each of rows and columns.

### Claim 6 (depends on 1)

The solid state imaging device according to claim 1, wherein
pixel values of the luminance pixels that are positioned adjacent to each other in an oblique direction are added in analog and transferred,
pixel values of the third pixels that are positioned adjacent to each other in the oblique direction are added in analog and transferred,
pixel values of the first pixels that are positioned adjacent to each other in a vertical direction are added in analog and transferred, and
pixel values of the second pixels that are positioned adjacent to each other in the vertical direction are added in analog and transferred.

### Claim 7 (depends on 6)

The solid state imaging device according to claim 6,
wherein pixel signals of the luminance pixels, the first pixels, the second pixels, and the third pixels are calculated based on the respective added pixel values.

### Claim 8 (depends on 1)

The solid state imaging device according to claim 1,
wherein a plurality of different exposure times are set for the luminance pixels, the first pixels, the second pixels, and the third pixels.

### Claim 9 (depends on 8)

The solid state imaging device according to claim 8,
wherein a first exposure time and a second exposure time of the plurality of different exposure times are set for the luminance pixels, the first pixels, the second pixels, and the third pixels.

### Claim 10

A solid state imaging device, comprising:
luminance pixels that detect light containing luminance as a main component;
first pixels that detect light having a first wavelength;
second pixels that detect light having a second wavelength; and
third pixels that detect light having a third wavelength,
wherein the luminance pixels, the first pixels, the second pixels, and the third pixels are arranged such that a pixel number ratio of the luminance pixels, the first pixels, the second pixels, and the third pixels becomes 7:3:3:3, and
wherein the second pixels and third pixels are further arranged to uniformly surround lost positions of the second pixels and third pixels, respectively.

### Claim 11

An imaging device, comprising:
luminance pixels that detect light containing luminance as a main component;
first pixels that detect light having a first wavelength;
second pixels that detect light having a second wavelength; and
third pixels that detect light having a third wavelength,
wherein the luminance pixels, the first pixels, the second pixels, and the third pixels are arranged such that a pixel number ratio of the luminance pixels, the first pixels, the second pixels, and the third pixels becomes 6:4:3:3, and
wherein the second pixels and third pixels are further arranged to uniformly surround lost positions of the second pixels and third pixels, respectively.

### Claim 12

An electronic device, comprising:
luminance pixels that detect light containing luminance as a main component;
first pixels that detect light having a first wavelength;
second pixels that detect light having a second wavelength; and
third pixels that detect light having a third wavelength,
wherein the luminance pixels, the first pixels, the second pixels, and the third pixels are arranged such that a pixel number ratio of the luminance pixels, the first pixels, the second pixels, and the third pixels becomes 6:4:3:3, and
wherein the second pixels and third pixels are further arranged to uniformly surround lost positions of the second pixels and third pixels, respectively.

### Claim 13

An imaging device, comprising:
luminance pixels that detect light containing luminance as a main component;
first pixels that detect light having a first wavelength;
second pixels that detect light having a second wavelength; and
third pixels that detect light having a third wavelength,
wherein the luminance pixels, the first pixels, the second pixels, and the third pixels are arranged such that a pixel number ratio of the luminance pixels, the first pixels, the second pixels, and the third pixels becomes 7:3:3:3, and
wherein the second pixels and third pixels are further arranged to uniformly surround lost positions of the second pixels and third pixels, respectively.

### Claim 14

An electronic device, comprising:
luminance pixels that detect light containing luminance as a main component;
first pixels that detect light having a first wavelength;
second pixels that detect light having a second wavelength; and
third pixels that detect light having a third wavelength,
wherein the luminance pixels, the first pixels, the second pixels, and the third pixels are arranged such that a pixel number ratio of the luminance pixels, the first pixels, the second pixels, and the third pixels becomes 7:3:3:3, and
wherein the second pixels and third pixels are further arranged to uniformly surround lost positions of the second pixels and third pixels, respectively.
