Search

EP-4742688-A1 - CAMERA MODULE COMPRISING BAFFLE AND ELECTRONIC DEVICE COMPRISING SAME

EP4742688A1EP 4742688 A1EP4742688 A1EP 4742688A1EP-4742688-A1

Abstract

This camera module may comprise: a housing; a lens carrier configured to carry a lens along the optical axis of the lens; an image sensor configured to receive light passing through the lens; a first baffle arranged on one portion of the lens carrier; and a second baffle arranged parallel to the first baffle and arranged in an inner portion of the housing between the lens and the image sensor.

Inventors

  • JO, Jiyeon
  • SHIN, Jeongkil

Assignees

  • Samsung Electronics Co., Ltd.

Dates

Publication Date
20260513
Application Date
20240801

Claims (14)

  1. A camera module (400) comprising: a housing (410); a lens carrier (451) configured to move a lens (421B) along an optical axis (OA) of the lens (421B); an image sensor (431) configured to receive light passing through the lens (421B); a first baffle (490A) disposed on a portion of the lens carrier (451); and a second baffle (490B) disposed parallel to the first baffle (490A) and disposed on an inner portion of the housing (410) between the lens (421B) and the image sensor (431).
  2. The camera module of claim 1, wherein the first baffle (490A) is disposed on the portion of the lens carrier (451) such that the first baffle (490A) faces the second baffle (490B).
  3. The camera module of claim 1 or 2, wherein the first baffle (490A) comprises a plurality of first walls (W1), and wherein the second baffle (490B) comprises a plurality of second walls (W2).
  4. The camera module of claim 3, wherein a size of at least one first wall (W1) among the plurality of first walls (W1) is less than a size of at least one second wall (W2) among the plurality of second walls (W2), wherein, preferably, a first distance between adjacent first walls (W1) among the plurality of first walls (W1) is less than a second distance between adjacent second walls (W2) among the plurality of second walls (W2), and wherein, preferably, one of the plurality of first walls (W1) is longer than another one of the plurality of first walls (W1).
  5. The camera module of claim 3 or 4, wherein at least one of the first walls (W1) or the second walls (W2) comprises a plurality of protrusions (PT) on a top side of the first walls (W1) or the second walls (W2).
  6. The camera module of any one of claims 3 to 5, wherein a section of at least some of the first walls (W1) comprises: a first side toward the lens (421B), a second side toward the image sensor (431), and a bottom side, and is substantially triangular, and wherein a first angle between the first side and the bottom side is greater than a second angle between the second side and the bottom side.
  7. The camera module of any one of claims 1 to 6, wherein a surface area of the first baffle (490A) is less than a surface area of the second baffle (490B).
  8. The camera module of any one of claims 1 to 7, wherein, when viewed in a direction substantially orthogonal to the optical axis (OA) of the lens (421B), the first baffle (490A) at least partially overlaps the second baffle (490B).
  9. The camera module of any one of claims 1 to 8, further comprising: an additional lens (421A); and a third baffle disposed between the lens (421B) and the additional lens (421A), wherein, preferably, further comprising a first reflector disposed between the additional lens (421A) and the lens (421B), wherein the additional lens (421A) is disposed on an outer portion of the housing (410), wherein a portion of the optical axis (OA) of the additional lens (421A) is substantially orthogonal to a portion of the optical axis (OA) of the lens (421B), wherein, preferably, further comprising a second reflector (440B) disposed between the lens (421B) and the image sensor (431), and wherein the image sensor (431) and the second baffle (490B) are disposed on the same side of the housing (410) such that a portion of the optical axis (OA) of the lens (421B) is parallel to the image sensor (431).
  10. The camera module of any one of claims 1 to 9, wherein the lens carrier (451) comprises: a first area (A1) in which the lens (421B) is disposed; a second area (A2) in which the first baffle (490A-1) is disposed; and a partition (P) that separates the first area (A1) and the second area (A2), wherein, preferably, the first baffle (490A-1) extends toward the partition (P) to form a reduced gap (G2) between the first baffle (490A-1) and the partition (P) or to form substantially no gap between the first baffle (490A-1) and the partition (P).
  11. The camera module of any one of claims 1 to 10, wherein the housing (410) comprises a shield can, and wherein the second baffle (490B) is disposed on an inner portion of the shield can.
  12. The camera module of any one of claims 1 to 11, further comprising: a fourth baffle (490B-4) disposed on another portion of the lens carrier (451) opposite to the first baffle (490A-4); and preferably, the first baffle (490A-4) and the fourth baffle (490B-4) have substantially the same shape, size, and/or material.
  13. The camera module of any one of claims 1 to 12, further comprising: a fifth baffle (490A) disposed on another inner portion of the housing (410) opposite to the second baffle (490B).
  14. The camera module of any one of claims 1 to 13, further comprising: an additional lens (421A); a reflector (440) configured to reflect light passing through the additional lens (421A) toward the lens (421B); and a blocking wall (423B) configured to block light passing through the additional lens (421A) from passing through between the reflector (440) and the lens (421B).

Description

Technical Field The disclosure generally relates to a camera module, for example, to a camera module including a baffle. The disclosure also relates to an electronic device including the camera module. Background Art Technologies have been developed to reduce phenomena, such as ghost, flare, or glare that may affect the image quality of an image in a camera module. Said related art is information the inventor(s) acquired during the course of conceiving the disclosure, or already possessed at the time, and is not necessarily the prior art publicly known before the disclosure was filed. DISCLOSURE OF THE INVENTION Technical Solutions In accordance with an aspect of the disclosure, a camera module is provided. The camera module includes a housing, a lens carrier configured to move a lens along an optical axis of the lens, an image sensor configured to receive light passing through the lens, a first baffle disposed on a portion of the lens carrier, and a second baffle disposed parallel to the first baffle and disposed on an inner portion of the housing between the lens and the image sensor. In accordance with another aspect of the disclosure, an electronic device is provided. The electronic device includes a camera module, wherein the camera module includes a housing, a lens carrier configured to move a lens along an optical axis of the lens, an image sensor configured to receive light passing through the lens, a first baffle disposed on a portion of the lens carrier, and a second baffle disposed parallel to the first baffle and disposed on an inner portion of the housing between the lens and the image sensor. BRIEF DESCRIPTION OF THE DRAWINGS The above and other aspects, features, and advantages of certain embodiments of the disclosure will be more apparent from the following description with the accompanying drawings, in which: FIG. 1 is a block diagram illustrating an electronic device in a network environment according to an embodiment of the disclosure;FIG. 2 is a block diagram illustrating a camera module according to an embodiment of the disclosure;FIG. 3 is a perspective view of an electronic device in one direction according to an embodiment of the disclosure;FIG. 4 is a perspective view of an electronic device in another direction according to an embodiment of the disclosure;FIG. 5 is a perspective view of a camera module according to an embodiment of the disclosure;FIG. 6 is a plan view of a camera module according to an embodiment of the disclosure;FIG. 7 is an exploded perspective view of a camera module according to an embodiment of the disclosure;FIG. 8A is a plan view of a camera module including an AF carrier in a first position with a camera cover removed according to an embodiment of the disclosure;FIG. 8B is a plan view of a camera module including an AF carrier in a second position with a camera cover removed according to an embodiment of the disclosure;FIG. 9A is a cross-sectional view of a camera module taken along line 9-9 of FIG. 6 according to an embodiment of the disclosure;FIG. 9B is an enlarged view of a first wall illustrating portion 9B of FIG. 9A according to an embodiment of the disclosure;FIG. 9C is an enlarged view of a second wall illustrating portion 9C of FIG. 9A according to an embodiment of the disclosure;FIG. 10A is a plan view of a camera module according to an embodiment of the disclosure;FIG. 10B is a bottom view of a baffle according to an embodiment of the disclosure;FIG. 10C is an enlarged view of portion 10C of the baffle of FIG. 10B according to an embodiment of the disclosure;FIG. 11 is a cross-sectional view of a camera module according to an embodiment of the disclosure;FIG. 12 is a cross-sectional view of a camera module according to an embodiment of the disclosure;FIG. 13 is a perspective view of a carrier in a camera module according to an embodiment of the disclosure;FIG. 14 is a perspective view of a carrier in a camera module according to an embodiment of the disclosure;FIG. 15 is a perspective view of a carrier in a camera module according to an embodiment of the disclosure;FIG. 16 is a cross-sectional view of a camera module according to an embodiment of the disclosure;FIG. 17 is a cross-sectional view of a camera module according to an embodiment of the disclosure;FIG. 18 is a cross-sectional view of a baffle according to an embodiment of the disclosure; andFIG. 19 is a cross-sectional view of a baffle according to an embodiment of the disclosure. DETAILED DESCRIPTION FIG. 1 is a block diagram illustrating an electronic device in a network environment according to an embodiment of the disclosure. Referring to FIG. 1, an electronic device 101 in a network environment 100 may communicate with an external electronic device 102 via a first network 198 (e.g., a short-range wireless communication network), or at least one of an external electronic device 104 or a server 108 via a second network 199 (e.g., a long-range wireless communication network). Accord