# US 2019/0356901 A1 · Camera system for increasing baseline > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356901 A1 - Document ID: US20190356901A1 - Status: Published application - Kind: A1 - Application number: 16/412,092 - Filed: 2019-05-14 - Published: 2019-11-21 - Earliest claimed: 2018-05-15 - Assignees: Center for Integrated Smart Sensors Foundation - Applicants: Center for Integrated Smart Sensors Foundation - Inventors: Chong Min Kyung; Seung Hyuk Chang - Web page: https://patentgrep.com/patent/US20190356901A1 ## CPC - H04N 13/207: using a single two-dimensional [2D] image sensor - H10F 39/8023: {Disposition of the elements in pixels, e.g. smaller elements in the centre of the imager compared to larger elements at the periphery} - H04N 13/128: Adjusting depth or disparity - H04N 13/271: wherein the generated image signals comprise depth maps or disparity maps - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - H04N 25/705: Pixels for depth measurement, e.g. RGBZ - H10F 39/8057: {Optical shielding} - H10F 39/806: {Optical elements or arrangements associated with the image sensors} - H10F 39/8063: {Microlenses} - H04N 2013/0081: {Depth or disparity estimation from stereoscopic image signals} - H10F 39/813: {Electronic components shared by multiple pixels, e.g. one amplifier shared by two pixels} - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION ## Abstract A camera system is provided to increase a baseline. The camera system includes a single lens, and an image sensor includes at least one pixel array, each of the at least one pixel array including a plurality of pixels in a two-dimensional arrangement and a single microlens disposed on the plurality of pixels to be shared. Light shielding layers formed with Offset Pixel Apertures (OPAs) are disposed on at least two pixels of the plurality of pixels, and the OPAs are formed on the light shielding layers to maximize a spaced distance between the OPAs. ## Claims ### Claim 1 A camera system comprising: a single lens; and an image sensor including at least one pixel array, the at least one pixel array including a plurality of pixels in a two-dimensional arrangement and a single microlens disposed on the plurality of pixels to be shared, wherein light shielding layers formed with Offset Pixel Apertures (OPAs) are disposed on at least two pixels of the plurality of pixels, respectively, and wherein the OPAs are formed on the light shielding layers to maximize a spaced distance between the OPAs. ### Claim 2 (depends on 1) The camera system of claim 1, wherein the at least two pixels are disposed on the at least one pixel array to maximize the spaced distance between the OPAs, thereby increasing a baseline of the camera system. ### Claim 3 (depends on 2) The camera system of claim 2, wherein the at least two pixels are disposed on the at least one pixel array in a diagonal direction to maximize the spaced distance between the OPAs. ### Claim 4 (depends on 1) The camera system of claim 1, wherein an offset f-number associated with the spaced distance between the OPAs and each height of the at least two pixels is larger than an f-number of the single lens. ### Claim 5 (depends on 1) The camera system of claim 1, wherein the at least two pixels are at least two pixels having maximum light transmission characteristics among the plurality of the pixels. ### Claim 6 (depends on 1) The camera system of claim 1, wherein the at least two pixels are W (white) pixels processing a W optical signal. ### Claim 7 (depends on 1) The camera system of claim 1, wherein the OPAs have centers shifted from centers of the at least two pixels, respectively. ### Claim 8 (depends on 2) The camera system of claim 2, further comprising: at least one processor calculating a depth for a subject using disparity between at least two images obtained through the at least two pixels where the light shielding layers formed with the OPAs are disposed, respectively. ### Claim 9 A camera system comprising: a single lens; and an image sensor including a plurality of pixel arrays, each of the plurality of pixel arrays including a plurality of pixels in a two-dimensional arrangement and a single microlens disposed on the plurality of pixels to be shared, wherein light shielding layers formed with OPAs (Offset Pixel Apertures) are disposed on a pixel included in a first pixel array of the plurality of the pixel arrays and a pixel included in a second pixel array of the plurality of the pixel arrays, respectively, and wherein the OPAs are formed on the light shielding layers to maximize a spaced distance between the OPAs. ### Claim 10 (depends on 9) The camera system of claim 9, wherein the pixel included in the first pixel array and the pixel included in the second pixel array are disposed on the first pixel array and the second pixel array to maximize the spaced distance between the OPAs, thereby increasing a baseline of the camera system. ### Claim 11 (depends on 10) The camera system of claim 10, wherein the pixel included in the first pixel array and the pixel included in the second pixel array are disposed on the first pixel array and the second pixel array in a diagonal direction to maximize the spaced distance between the OPAs. ### Claim 12 (depends on 10) The camera system of claim 10, wherein the pixel included in the first pixel array and the pixel included in the second pixel array are disposed on the first pixel array and the second pixel array in a horizontal direction to maximize the spaced distance between the OPAs when the first pixel array and the second pixel array are disposed in the horizontal direction. ### Claim 13 (depends on 10) The camera system of claim 10, wherein the pixel included in the first pixel array and the pixel included in the second pixel array are disposed on the first pixel array and the second pixel array in a vertical direction to maximize the spaced distance between the OPAs when the first pixel array and the second pixel array are disposed in the vertical direction. ### Claim 14 (depends on 9) The camera system of claim 9, wherein an offset f-number associated with the spaced distance between the OPAs and height of each of the pixel included in the first pixel array and the pixel included in the second pixel array is larger than an f-number of the single lens. ### Claim 15 (depends on 9) The camera system of claim 9, wherein the pixel included in the first pixel array and the pixel included in the second pixel array are at least two pixels having maximum light transmission characteristics among a plurality of the pixels included in the first pixel array and a plurality of the pixels included in the second pixel array. ### Claim 16 (depends on 6) The camera system of claim 6, wherein the pixel included in the first pixel array and the pixel included in the second pixel array are W (white) pixels processing an W optical signal. ### Claim 17 (depends on 9) The camera system of claim 9, wherein the OPAs have centers shifted from centers of the pixel included in the first pixel array and the pixel included in the second pixel array, respectively. ### Claim 18 (depends on 17) The camera system of claim 17, further comprising: at least one processor calculating a depth for a subject using disparity between at least two images obtained through the pixel included in the first pixel array and the pixel included in the second pixel array.