# US 2018/0324342 A1 · Camera assembly and mobile electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324342 A1 - Document ID: US20180324342A1 - Status: Published application - Kind: A1 - Application number: 15/968,718 - Filed: 2018-05-01 - Published: 2018-11-08 - Earliest claimed: 2017-05-03 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Lt D. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Yibao ZHOU; Jiao CHENG; Haiping ZHANG - Web page: https://patentgrep.com/patent/US20180324342A1 ## CPC - H04N 23/45: for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images - G01J 1/0411: {using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction} - G01J 1/0488: {with spectral filtering} - G01J 1/4204: {with determination of ambient light (solar light G01J2001/4266)} - G01J 1/4228: {arrangements with two or more detectors, e.g. for sensitivity compensation} - H04M 1/0264: {for a camera module assembly} - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - H04N 23/667: Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes - H04N 23/71: Circuitry for evaluating the brightness variation - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract A camera assembly and a mobile electronic device are provided. The camera assembly includes at least two image sensors. Each image sensor includes a pixel array and a control circuit. The pixel array includes a plurality of row pixels and a plurality of column pixels. The control circuit is configured to control the image sensor to work in an imaging mode or in a light sensing mode. The control circuit is further configured to receive a light sensing instruction to control an intersection region of a part of row pixels and a part of column pixels to detect an illumination intensity so as to enable the image sensor to work in the light sensing mode and to receive an imaging instruction to control the pixel array to obtain an image so as to enable the image sensor to work in the imaging mode. ## Claims ### Claim 1 A camera assembly, comprising at least two image sensors, wherein each image sensor comprises: a pixel array, comprising a plurality of row pixels and a plurality of column pixels; and a control circuit, configured to: control the image sensor to work in an imaging mode or in a light sensing mode; receive a light sensing instruction to control an intersection region of a part of row pixels and a part of column pixels in the pixel array to detect an illumination intensity, so as to enable the image sensor to work in the light sensing mode; and receive an imaging instruction to control the pixel array to acquire an image, so as to enable the image sensor to work in the imaging mode. ### Claim 2 (depends on 1) The camera assembly according to claim 1, wherein the intersection region is an annular intersection region surrounding a center of the pixel array. ### Claim 3 (depends on 2) The camera assembly according to claim 2, wherein the annular intersection region is centrally symmetric about the center. ### Claim 4 (depends on 2) The camera assembly according to claim 2, wherein the annular intersection region is in a shape of one of a circular ring and a square ring. ### Claim 5 (depends on 1) The camera assembly according to claim 1, wherein there are at least two intersection regions, the at least two intersection regions are centered about a center of the pixel array and evenly spaced. ### Claim 6 (depends on 5) The camera assembly according to claim 5, wherein, the at least two intersection regions have basically the same area. ### Claim 7 (depends on 1) The camera assembly according to claim 1, wherein, the intersection region is located at a center of the pixel array. ### Claim 8 (depends on 1) The camera assembly according to claim 1, wherein a ratio of an area of the intersection region to an area of the pixel array ranges from 0.1 to 0.4. ### Claim 9 (depends on 1) The camera assembly according to claim 1, wherein the camera assembly comprises a filter above each image sensor. ### Claim 10 (depends on 8) The camera assembly according to claim 8, wherein the camera assembly comprises a lens above each filter, an optical axis of the lens is basically aligned with a center of the image sensor. ### Claim 11 (depends on 1) The camera assembly according to claim 1, wherein the intersection regions in the two image sensors are disposed away from each other and on different sides of respective image sensors. ### Claim 12 A mobile electronic device, comprising a camera assembly and a processor; wherein, the camera assembly comprises at least two image sensors; wherein each image sensor comprises a pixel array, comprising a plurality of row pixels and a plurality of column pixels; and a control circuit, configured to: control the image sensor to work in an imaging mode or in a light sensing mode; receive a light sensing instruction to control an intersection region of a part of row pixels and a part of column pixels in the pixel array to detect an illumination intensity, so as to enable the image sensor to work in the light sensing mode; and receive an imaging instruction to control the pixel array to acquire an image, so as to enable the image sensor to work in the imaging mode; the processor is configured to generate the light sensing instruction and the imaging instruction. ### Claim 13 (depends on 12) The mobile electronic device according to claim 12, wherein the mobile electronic device comprises one camera assembly configured as a front camera assembly; wherein when intersection regions in two pixel arrays of the camera assembly detect a first illumination intensity and a second illumination intensity respectively, the processor is configured to: determine a maximum of the first illumination intensity and the second illumination intensity as a final illumination intensity; or obtain a mean value of the first illumination intensity and the second illumination intensity as a final illumination intensity. ### Claim 14 (depends on 12) The mobile electronic device according to claim 12, wherein the mobile electronic device comprises at least two camera assemblies, one of the at least two camera assemblies is configured as a front camera assembly and a further one of the at least two camera assemblies is configured as a rear camera assembly; wherein when intersection regions in two pixel arrays of the front camera assembly detect a first illumination intensity and a second illumination intensity respectively, and intersection regions in two pixel arrays of the rear camera assembly detect a third illumination intensity and a fourth illumination intensity respectively, the processor is configured to: determine a maximum of the first illumination intensity, the second illumination intensity, the third illumination intensity and the fourth illumination intensity as a final illumination intensity; or obtain a mean value of the first illumination intensity and the second illumination intensity as a front illumination intensity, obtain a mean value of the third illumination intensity and the fourth illumination intensity as a rear illumination intensity, and determine a maximum of the front illumination intensity and the rear illumination intensity as a final illumination intensity; or determine a maximum of the first illumination intensity and the second illumination intensity as a front illumination intensity, obtain a mean value of the third illumination intensity and the fourth illumination intensity as a rear illumination intensity, and determine a maximum of the front illumination intensity and the rear illumination intensity as a final illumination intensity; or obtain a mean value of the first illumination intensity and the second illumination intensity as a front illumination intensity, determine a maximum of the third illumination intensity and the fourth illumination intensity as a rear illumination intensity, and determine a maximum of the front illumination intensity and the rear illumination intensity as a final illumination intensity. ### Claim 15 (depends on 12) The mobile electronic device according to claim 12, wherein the mobile electronic device comprises at least two camera assemblies, one of the at least two camera assemblies is configured as a front camera assembly and a further one of the at least two camera assemblies is configured as a rear camera assembly; wherein when an intersection region in a pixel array of the front camera assembly detects a first illumination intensity, and an intersection region in a pixel array of the rear camera assembly detects a second illumination intensity, the processor is configured to: determine a maximum of the first illumination intensity and the second illumination intensity as a final illumination intensity. ### Claim 16 (depends on 12) The mobile electronic device according to claim 12, wherein the mobile electronic device comprises at least two camera assemblies, one of the at least two camera assemblies is configured as a front camera assembly and a further one of the at least two camera assemblies is configured as a rear camera assembly; wherein when intersection regions in two pixel arrays of the front camera assembly detect a first illumination intensity and a second illumination intensity respectively, and an intersection region in a pixel array of the rear camera assembly detects a third illumination intensity, the processor is configured to: determine a maximum of the first illumination intensity and the second illumination intensity as a front illumination intensity, and determine a maximum of the front illumination intensity and the third illumination intensity as a final illumination intensity; or obtain a mean value of the first illumination intensity and the second illumination intensity as a front illumination intensity, and determine a maximum of the front illumination intensity and the third illumination intensity as a final illumination intensity. ### Claim 17 (depends on 12) The mobile electronic device according to claim 12, wherein the mobile electronic device comprises at least two camera assemblies, one of the at least two camera assemblies is configured as a front camera assembly and a further one of the at least two camera assemblies is configured as a rear camera assembly; wherein when an intersection region in a pixel array of the front camera assembly detects a first illumination intensity, and intersection regions in two pixel arrays of the rear camera assembly detect a second illumination intensity and a third illumination intensity respectively, the processor is configured to: determine a maximum of the second illumination intensity and the third illumination intensity as a rear illumination intensity, and determine a maximum of the rear illumination intensity and the first illumination intensity as a final illumination intensity; or obtain a mean value of the second illumination intensity and the third illumination intensity as a rear illumination intensity, and determine a maximum of the rear illumination intensity and the first illumination intensity as a final illumination intensity. ### Claim 18 (depends on 12) The mobile electronic device according to claim 12, comprising another one camera assembly, wherein the another one camera assembly comprises an image sensor comprising: a pixel array, comprising a plurality of row pixels and a plurality of column pixels; and a control circuit, configured to: control the image sensor to work in an imaging mode or in a light sensing region; receive a light sensing instruction to control an intersection region of a part of row pixels and a part of column pixels to detect an illumination intensity, so as to enable the image sensor to work in the light sensing mode; and receive an imaging instruction to control the pixel array of the image sensor to acquire an image, so as to enable the image sensor to work in the imaging mode. ### Claim 19 (depends on 18) The mobile electronic device according to claim 18, wherein the mobile electronic device comprises one camera assembly configured as one of a front camera assembly and a rear camera assembly, and the another one camera assembly is configured as the other one of the front camera assembly and the rear camera assembly. ### Claim 20 (depends on 12) The mobile electronic device according to claim 12, wherein the mobile electronic device comprises two camera assemblies, one of the two camera assemblies is configured as a front camera assembly, the other one of the two camera assemblies is configured as a rear camera assembly; wherein the front camera assembly and the rear camera assembly are configured such that, when two image sensors of the front camera assembly both work in the imaging mode, at least one image sensor of two image sensors of the rear camera assembly works in the light sensing mode; and when two image sensors of the rear camera assembly both work in the imaging mode, at least one image sensor of two image sensors of the front camera assembly works in the light sensing mode.