# US 12,216,251 B2 · Electronic device including lens assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,216,251 B2 - Document ID: US12216251B2 - Status: Granted - Kind: B2 - Application number: 17/530,566 - Filed: 2021-11-19 - Published: 2022-06-02 - Granted: 2025-02-04 - Earliest claimed: 2020-11-30 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Haneung Kim; Jungpa Seo; Sungwook Choi - Web page: https://patentgrep.com/patent/US12216251B2 ## CPC - G02B 13/0045: {having five or more lenses} - G02B 3/00: Simple or compound lenses - G02B 3/04: with continuous faces that are rotationally symmetrical but deviate from a true sphere {, e.g. so called "aspheric" lenses} - G02B 5/20: Filters (polarising elements G02B5/30) - G02B 5/208: {for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation} - G02B 9/60: having five components only - G02B 9/62: having six components only - G02B 9/64: having more than six components - G02B 15/14: by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective - G03B 17/12: with means for supporting objectives, supplementary lenses, filters, masks, or turrets - G03B 30/00: Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract According to an embodiment of the disclosure, an electronic device may include a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group. A second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor may be configured to be changed based on a first distance between a subject and the electronic device. ## Claims ### Claim 1 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power, the second lens group is immediately adjacent to the first lens group; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, and wherein the image sensor is immediately adjacent to the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device. ### Claim 2 (depends on 1) The electronic device of claim 1, further comprising at least one optical filter disposed between the lens assembly and the image sensor, wherein the at least one optical filter is a low-pass filter, an infrared filter, or a cover glass. ### Claim 3 (depends on 1) The electronic device of claim 1, wherein the lens assembly includes an aspheric lens having at least one aspherical surface. ### Claim 4 (depends on 1) The electronic device of claim 1, further comprising, a housing configured to receive at least a portion of the image sensor and the lens assembly; a display disposed in the housing; and a battery disposed in the housing to supply power to the image sensor. ### Claim 5 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device, wherein the electronic device is configured to meet the following equation ( 1 - ( FOV FINITY FOV INFINITY ) ) * 100 < 10 wherein FOVFINITY refers to an angle of view at a finite distance of the lens assembly, and FOVINFINITY refers to an angle of view at an infinite distance of the lens assembly. ### Claim 6 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device, and wherein the first lens group includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens arranged in order from the subject, and the second lens group includes a sixth lens positioned between the fifth lens and the image sensor. ### Claim 7 (depends on 6) The electronic device of claim 6, wherein the fifth lens includes a first surface facing the fourth lens and a second surface facing the sixth lens, wherein the sixth lens includes a third surface facing the fifth lens, and wherein in an area adjacent to an optical axis, the second surface is convex, and at least a portion of the third surface is concave. ### Claim 8 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device, and wherein the first lens group includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens arranged in order from the subject, and the second lens group includes a seventh lens positioned between the sixth lens and the image sensor. ### Claim 9 (depends on 8) The electronic device of claim 8, wherein the sixth lens includes a fourth surface facing the fifth lens and a fifth surface facing the seventh lens, and the seventh lens includes a sixth surface facing the sixth lens and a seventh surface facing the image sensor, and wherein in an area adjacent to an optical axis, at least a portion of the fourth surface and at least a portion of the seventh surface are convex, and at least a portion of the fifth surface and at least a portion of the sixth surface are concave. ### Claim 10 (depends on 8) The electronic device of claim 8, wherein the sixth lens includes a fourth surface facing the fifth lens and a fifth surface facing the seventh lens, and the seventh lens includes a sixth surface facing the sixth lens and a seventh surface facing the image sensor, and wherein in an area adjacent to an optical axis, at least a portion of the fourth surface, at least a portion of the sixth surface, and at least a portion of the seventh surface are concave, and at least a portion of the fifth surface is convex. ### Claim 11 (depends on 8) The electronic device of claim 8, wherein the sixth lens includes a fourth surface facing the fifth lens and a fifth surface facing the seventh lens, and the seventh lens includes a sixth surface facing the sixth lens and a seventh surface facing the image sensor, and wherein in an area adjacent to an optical axis, at least a portion of the fourth surface is convex, and at least a portion of the fifth surface, at least a portion of the sixth surface, and at least a portion of the seventh surface are concave. ### Claim 12 (depends on 8) The electronic device of claim 8, wherein the sixth lens includes a fourth surface facing the fifth lens and a fifth surface facing the seventh lens, and the seventh lens includes a sixth surface facing the sixth lens and a seventh surface facing the image sensor, and wherein in an area adjacent to an optical axis, at least a portion of the fourth surface and at least a portion of the fifth surface are convex, and at least a portion of the sixth surface and at least a portion of the seventh surface are concave. ### Claim 13 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device, and wherein the first lens group includes a first lens, a second lens, a third lens, and a fourth lens arranged in order from the subject, and the second lens group includes a fifth lens positioned between the fourth lens and the image sensor. ### Claim 14 (depends on 13) The electronic device of claim 13, wherein the fourth lens includes an eighth surface facing the third lens and a ninth surface facing the fifth lens, wherein the fifth lens includes a tenth surface facing the fourth lens, and wherein at least a portion of the ninth surface is convex, and at least a portion of the tenth surface is concave. ### Claim 15 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and a second lens group having negative refractive power; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device, wherein an Abbe number of the second lens group is larger than an Abbe number of one lens of the first lens group. ### Claim 16 An electronic device, comprising, a housing; a camera module disposed in the housing, the camera module including a lens assembly including a first lens group having positive composite refractive power and including at least four lenses, a second lens group having negative refractive power, and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group; and a processor configured to adjust a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor based on a first distance between a subject and the electronic device. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein the electronic device is configured to meet the following equation ( 1 - ( FOV FINITY FOV INFINITY ) ) * 100 < 10 wherein FOVFINITY refers to an angle of view at a finite distance of the lens assembly, and FOVINFINITY refers to an angle of view at an infinite distance of the lens assembly. ### Claim 18 (depends on 16) The electronic device of claim 16, wherein: the camera module includes at least one optical filter disposed between the lens assembly and the image sensor, and wherein the at least one optical filter is a low-pass filter, an infrared filter, or a cover glass. ### Claim 19 (depends on 16) The electronic device of claim 16, wherein the lens assembly includes an aspheric lens having at least one aspherical surface. ### Claim 20 An electronic device comprising: a lens assembly including a first lens group having positive refractive power and including at least four lenses, and a second lens group having negative refractive power; and an image sensor configured to output an image signal based on light transmitted through the first lens group and the second lens group, wherein a second distance between the first lens group and the second lens group and a third distance between the lens assembly and the image sensor are configured to be changed based on a first distance between a subject and the electronic device.