# US 2017/0287972 A1 · Solid-state image sensor, imaging device, and electronic equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0287972 A1 - Document ID: US20170287972A1 - Status: Published application - Kind: A1 - Application number: 15/630,032 - Filed: 2017-06-22 - Published: 2017-10-05 - Earliest claimed: 2015-03-31 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Nanako Kato; Toshifumi Wakano; Yusuke Tanaka; Yusuke Otake - Web page: https://patentgrep.com/patent/US20170287972A1 ## CPC - H10F 39/182: {Colour image sensors} - H04N 25/778: comprising amplifiers shared between a plurality of pixels, i.e. at least one part of the amplifier must be on the sensor array itself - H10F 39/802: {Geometry or disposition of elements in pixels, e.g. address-lines or gate electrodes} - H10F 39/8037: {the integrated elements comprising a transistor} - H10F 39/811: {Interconnections} - H10F 39/813: {Electronic components shared by multiple pixels, e.g. one amplifier shared by two pixels} - H10F 39/8053: {Colour filters} - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract The present technology relates to a solid-state image sensor, an imaging device, and electronic equipment configured such that an FD is shared by a plurality of pixels to further miniaturize the pixels at low cost without lowering of sensitivity and a conversion efficiency. In a configuration in which a plurality of pixels are arranged with respect to at least either of one of the OCCFs or one of the OCLs, a floating diffusion (FD) is shared by a sharing unit including a plurality of pixels, the plurality of pixels including pixels of at least either of different OCCFs or different OCLs. The present technology is applicable to a CMOS image sensor. ## Claims ### Claim 1 An imaging device comprising: a first unit including a first transfer transistor, a second transfer transistor and a first color filter disposed at a light-incident side of the first transfer transistor and the second transfer transistor; a second unit including a third transfer transistor, a fourth transfer transistor and a second color filter disposed at a light-incident side of the third transfer transistor and the fourth transfer transistor; a third unit including a fifth transfer transistor, a sixth transfer transistor and a third color filter disposed at a light-incident side of the fifth transfer transistor and the sixth transfer transistor; a fourth unit including a seventh transfer transistor, an eighth transfer transistor and a fourth color filter disposed at a light-incident side of the seventh transfer transistor and the eighth transfer transistor, wherein the first transfer transistor, the second transfer transistor, the third transfer transistor, the fourth transfer transistor, the fifth transfer transistor, the sixth transfer transistor, the seventh transfer transistor and the eighth transfer transistor are arranged in order along a horizontal direction; a first transfer control signal line extending along the horizontal direction and electrically connected to a gate of the first transfer transistor and a gate of the fifth transfer transistor; a second transfer control signal line extending along the horizontal direction and electrically connected to a gate of the second transfer transistor and a gate of the sixth transfer transistor; a third transfer control signal line extending along the horizontal direction and electrically connected to a gate of the third transfer transistor; a fourth transfer control signal line extending along the horizontal direction and electrically connected to a gate of the fourth transfer transistor; a fifth transfer control signal line extending along the horizontal direction and electrically connected to a gate of the seventh transfer transistor; and a sixth transfer control signal line extending along the horizontal direction and electrically connected to a gate of the eighth transfer transistor. ### Claim 2 (depends on 1) The imaging device according to claim 1, wherein, the first color filter is configured to extract light within a first wavelength range, the second color filter is configured to extract light within a second wavelength range, the third color filter is configured to extract light within a third wavelength range, and the fourth color filter is configured to extract light within a fourth wavelength range. ### Claim 3 (depends on 2) The imaging device according to claim 2, wherein, the first wavelength range and the third wavelength range are substantially the same, the second wavelength range and the fourth wavelength range are substantially the same, and the first wavelength range and the second wavelength range are different. ### Claim 4 (depends on 1) The imaging device according to claim 1, wherein, the first unit further includes a first on-chip lens disposed at a light-incident side of the first color filter, the second unit further includes a second on-chip lens disposed at a light-incident side of the second color filter, the third unit further includes a third on-chip lens disposed at a light-incident side of the third color filter, and the fourth unit further includes a fourth on-chip lens disposed at a light-incident side of the fourth color filter. ### Claim 5 (depends on 1) The imaging device according to claim 1, wherein, the first unit further includes a first floating diffusion electrically connected to the first transfer transistor and the second transfer transistor, the second unit further includes a second floating diffusion electrically connected to the third transfer transistor and the fourth transfer transistor, the third unit further includes a third floating diffusion electrically connected to the fifth transfer transistor and the sixth transfer transistor, and the fourth unit further includes a fourth floating diffusion electrically connected to the seventh transfer transistor and the eighth transfer transistor. ### Claim 6 (depends on 5) The imaging device according to claim 5, wherein, the first floating diffusion is electrically connected to the second floating diffusion via a first wiring, the third floating diffusion is electrically connected to the fourth floating diffusion via a second wiring. ### Claim 7 (depends on 6) The imaging device according to claim 6, further comprising: a first amplification transistor electrically connected to the first floating diffusion and the second floating diffusion via the first wiring, and a second amplification transistor electrically connected to the third floating diffusion and the fourth floating diffusion via the second wiring. ### Claim 8 (depends on 7) The imaging device according to claim 7, further comprising: a first vertical signal line coupled to the first amplification transistor, wherein the first vertical signal line extends along a vertical direction; and a second vertical signal line coupled to the second amplification transistor, wherein the second vertical signal line extends along the vertical direction. ### Claim 9 (depends on 8) The imaging device according to claim 8, wherein, the first vertical signal line is coupled to the first amplification transistor via a first selection transistor, and the second vertical signal line is coupled to the second amplification transistor via a second selection transistor. ### Claim 10 (depends on 9) The imaging device according to claim 9, further comprising: a third vertical signal line coupled to the first amplification transistor; and a fourth vertical signal line coupled to the second amplification transistor. ### Claim 11 (depends on 10) The imaging device according to claim 10, wherein, the third vertical signal line is coupled to the first amplification transistor via a third selection transistor, and the fourth vertical signal line is coupled to the second amplification transistor via a fourth selection transistor. ### Claim 12 (depends on 7) The imaging device according to claim 7, further comprising: a first reset transistor electrically connected to the first floating diffusion and the second floating diffusion via the first wiring; and a second reset transistor electrically connected to the third floating diffusion and the fourth floating diffusion via the second wiring. ### Claim 13 (depends on 12) The imaging device according to claim 12, further comprising: a well contact disposed between a first set of transistors including the first reset transistor, the first selection transistor and the first amplification transistor and a second set of transistors including the second reset transistor, the second selection transistor and the second amplification transistor. ### Claim 14 (depends on 12) The imaging device according to claim 12, wherein, the first amplification transistor is arranged between the first reset transistor and the first selection transistor, and the second amplification transistor is arranged between the second reset transistor and the second selection transistor. ### Claim 15 (depends on 1) The imaging device according to claim 1, wherein, the first unit further includes a ninth transfer transistor, a tenth transfer transistor and a fifth color filter disposed at a light-incident side of the ninth transfer transistor and the tenth transfer transistor; the second unit further includes a eleventh transfer transistor, a twelfth transfer transistor and a sixth color filter disposed at a light-incident side of the eleventh transfer transistor and the twelfth transfer transistor; the third unit further includes a thirteenth transfer transistor, a fourteenth transfer transistor and a seventh color filter disposed at a light-incident side of the thirteenth transfer transistor and the fourteenth transfer transistor; the fourth unit including a fifteenth transfer transistor, an sixteenth transfer transistor and an eighth color filter disposed at a light-incident side of the fifteenth transfer transistor and the sixteenth transfer transistor. ### Claim 16 (depends on 15) The imaging device according to claim 15, wherein, the first color filter is configured to extract light within a first wavelength range, the second color filter is configured to extract light within a second wavelength range, the third color filter is configured to extract light within a third wavelength range, the forth color filter is configured to extract light within a fourth wavelength range, the fifth color filter is configured to extract light within a fifth wavelength range, the sixth color filter is configured to extract light within a sixth wavelength range, the seventh color filter is configured to extract light within a seventh wavelength range, and the eighth color filter is configured to extract light within an eighth wavelength range. ### Claim 17 (depends on 16) The imaging device according to claim 16, wherein, the first wavelength range and the third wavelength range are substantially the same, the second wavelength range and the fourth wavelength range are substantially the same, the first wavelength range and the second wavelength range are different, the fifth wavelength range and the seventh wavelength range are substantially the same, the sixth wavelength range and the eighth wavelength range are substantially the same, and the fifth wavelength range and the sixth wavelength range are different. ### Claim 18 (depends on 17) The imaging device according to claim 17, wherein, the first wavelength range and the sixth wavelength range are substantially the same, and the second wavelength range and the fifth wavelength range are different. ### Claim 19 (depends on 15) The imaging device according to claim 15, wherein, the first unit further includes a fifth on-chip lens disposed at a light-incident side of the fifth color filter, the second unit further includes a sixth on-chip lens disposed at a light-incident side of the sixth color filter, the third unit further includes a seventh on-chip lens disposed at a light-incident side of the seventh color filter, and the fourth unit further includes an eighth on-chip lens disposed at a light-incident side of the eighth color filter. ### Claim 20 (depends on 19) The imaging device according to claim 19, wherein, the first floating diffusion is electrically connected to the ninth transfer transistor and the tenth transfer transistor, the second floating diffusion is electrically connected to the eleventh transfer transistor and the twelfth transfer transistor, the third floating diffusion is electrically connected to the thirteenth transfer transistor and the fourteenth transfer transistor, and the fourth floating diffusion is electrically connected to the fifteenth transfer transistor and the sixteenth transfer transistor. ### Claim 21 (depends on 20) The imaging device according to claim 20, wherein, the first floating diffusion is electrically connected to the second floating diffusion via a first wiring, and the third floating diffusion is electrically connected to the fourth floating diffusion electrically via a second wiring. ### Claim 22 (depends on 21) The imaging device according to claim 21, further comprising: a first amplification transistor electrically connected to the first floating diffusion and the second floating diffusion via the first wiring; and a second amplification transistor electrically connected to the third floating diffusion and the fourth floating diffusion electrically via the second wiring. ### Claim 23 (depends on 22) The imaging device according to claim 22, further comprising: a first vertical signal line coupled to the first amplification transistor, wherein the first vertical signal line extends along a vertical direction; and a second vertical signal line coupled to the second amplification transistor, wherein the second vertical signal line extends along the vertical direction. ### Claim 24 (depends on 23) The imaging device according to claim 23, wherein, the first vertical signal line is coupled to the first amplification transistor via a first selection transistor, and the second vertical signal line is coupled to the second amplification transistor via a second selection transistor. ### Claim 25 (depends on 24) The imaging device according to claim 24, further comprising: a third vertical signal line coupled to the first amplification transistor; and a fourth vertical signal line coupled to the second amplification transistor. ### Claim 26 (depends on 25) The imaging device according to claim 25, wherein, the third vertical signal line is coupled to the first amplification transistor via a third selection transistor, and the fourth vertical signal line is coupled to the second amplification transistor via a fourth selection transistor. ### Claim 27 (depends on 22) The imaging device according to claim 22, further comprising: a first reset transistor electrically connected to the first floating diffusion and the second floating diffusion via the first wiring; and a second reset transistor electrically connected to the third floating diffusion and the fourth floating diffusion via the second wiring. ### Claim 28 (depends on 27) The imaging device according to claim 27, further comprising: a well contact disposed between a first set of transistors including the first reset transistor, the first selection transistor and the first amplification transistor and a second set of transistors including the second reset transistor, the second selection transistor and the second amplification transistor. ### Claim 29 (depends on 27) The imaging device according to claim 27, wherein, the first amplification transistor is arranged between the first reset transistor and the first selection transistor, and the second amplification transistor is arranged between the second reset transistor and the second selection transistor. ### Claim 30 (depends on 1) An electronic apparatus comprising: the imaging device according to claim 1.