Abstract: Various embodiments include an aperture stop for a camera with folded optics. In some examples, a folded optics arrangement of the camera may include one or more lens elements and one or more light path folding elements (e.g., a prism or a mirror). The aperture stop may be an elongated aperture stop. According to various examples, one or more prisms of the folded optics arrangement may have an elongated dimension in the same direction as an elongated dimension of the elongated aperture stop. In some embodiments, the aperture stop may be located between a prism and a lens group of the folded optics arrangement. In some embodiments, the aperture stop may be located proximate an optical element that optically powers a prism of the folded optics arrangement.

Abstract: An optical power prism that may be used in folded lens systems that consists of a glass prism and a glass lens attached to a surface of the prism using a thin layer of optical glue or by optical contact. The glass lens does not have a flange and thus the prism can be smaller than prisms used in conventional power prisms with the same lens effective area, thus reducing the Z-height of the power prism when compared to conventional power prisms. An optical glass may be used for the lens that has a higher refractive index than can be provided by optical plastic which allows the lens to be thinner than plastic lenses. The lenses may be formed by molding a glass wafer to form lens shapes on a first surface of the wafer; the molded wafer is then ground from a second surface to singulate the lenses.

Abstract: An optical prism that includes an interlock structure that precisely couples to a complementary structure of a refractive lens. For precision, the interlock structure may be formed at the same time and using the same technique as the optical surface of the prism. The interlock structure provides high accuracy when assembling a folded lens system by precisely aligning the object side optical surface of the lens with the image side optical surface of the prism so that the optical axis is centered in the lens. The prism may have refractive power. A portion of the object side surface may be coated with an opaque material to provide an aperture stop at that surface.

Abstract: An optical power prism that may be used in folded lens systems that consists of a glass prism and a glass lens attached to a surface of the prism using a thin layer of optical glue or by optical contact. The glass lens does not have a flange and thus the prism can be smaller than prisms used in conventional power prisms with the same lens effective area, thus reducing the Z-height of the power prism when compared to conventional power prisms. An optical glass may be used for the lens that has a higher refractive index than can be provided by optical plastic which allows the lens to be thinner than plastic lenses. The lenses may be formed by molding a glass wafer to form lens shapes on a first surface of the wafer; the molded wafer is then ground from a second surface to singulate the lenses.

Abstract: An optical prism that includes an interlock structure that precisely couples to a complementary structure of a refractive lens. For precision, the interlock structure may be formed at the same time and using the same technique as the optical surface of the prism. The interlock structure provides high accuracy when assembling a folded lens system by precisely aligning the object side optical surface of the lens with the image side optical surface of the prism so that the optical axis is centered in the lens. The prism may have refractive power. A portion of the object side surface may be coated with an opaque material to provide an aperture stop at that surface.

Abstract: Various embodiments disclosed herein include camera equipment having a refractive index layer that causes internal reflection close to an image sensor of the camera. In some examples, internal reflection may occur at a boundary formed with the refractive index layer and located between an image sensor and an upper surface of a lens of the camera. The boundary may be formed between the refractive index layer and another material located between the refractive index layer and the image sensor, wherein the refractive index layer has a lower index of refraction than other material between the refractive index layer and the image sensor. The boundary formed with the refractive index layer may cause light to be reflected back toward the image sensor to improve image quality of images captured by the image sensor.

Abstract: An optical power prism that may be used in folded lens systems that consists of a glass prism and a glass lens attached to a surface of the prism using a thin layer of optical glue or by optical contact. The glass lens does not have a flange and thus the prism can be smaller than prisms used in conventional power prisms with the same lens effective area, thus reducing the Z-height of the power prism when compared to conventional power prisms. An optical glass may be used for the lens that has a higher refractive index than can be provided by optical plastic which allows the lens to be thinner than plastic lenses. The lenses may be formed by molding a glass wafer to form lens shapes on a first surface of the wafer; the molded wafer is then ground from a second surface to singulate the lenses.

Abstract: Various embodiments include an aperture stop for a camera with folded optics. In some examples, a folded optics arrangement of the camera may include one or more lens elements and one or more light path folding elements (e.g., a prism or a mirror). The aperture stop may be an elongated aperture stop. According to various examples, one or more prisms of the folded optics arrangement may have an elongated dimension in the same direction as an elongated dimension of the elongated aperture stop. In some embodiments, the aperture stop may be located between a prism and a lens group of the folded optics arrangement. In some embodiments, the aperture stop may be located proximate an optical element that optically powers a prism of the folded optics arrangement.

Abstract: It is possible to (i) cause a sixth lens to more effectively correct various aberrations and (ii) make an optical overall length shorter. A first lens (L1) has positive refractive power. A fifth lens (L5) and a sixth lens (L6) each have negative refractive power. An object-side surface (L1F) of the first lens (L1) is a convex surface. At least one of an object-side surface and an image plane-side surface of each of a second lens (L2), a third lens (L3), a fourth lens (L4), and the fifth lens (L5) is an aspheric surface. An object-side surface (L6F) of the sixth lens (L6) is a concave surface and is an aspheric surface. An image plane-side surface (L6R) of the sixth lens (L6) is an optically planar surface throughout a region corresponding to an effective diameter of the image plane-side surface (L6R) of the sixth lens (L6).

Abstract: Various embodiments disclosed herein include camera equipment having a refractive index layer that causes internal reflection close to an image sensor of the camera. In some examples, internal reflection may occur at a boundary formed with the refractive index layer and located between an image sensor and an upper surface of a lens of the camera. The boundary may be formed between the refractive index layer and another material located between the refractive index layer and the image sensor, wherein the refractive index layer has a lower index of refraction than other material between the refractive index layer and the image sensor. The boundary formed with the refractive index layer may cause light to be reflected back toward the image sensor to improve image quality of images captured by the image sensor.

Abstract: An optical power prism that may be used in folded lens systems that consists of a glass prism and a glass lens attached to a surface of the prism using a thin layer of optical glue or by optical contact. The glass lens does not have a flange and thus the prism can be smaller than prisms used in conventional power prisms with the same lens effective area, thus reducing the Z-height of the power prism when compared to conventional power prisms. An optical glass may be used for the lens that has a higher refractive index than can be provided by optical plastic which allows the lens to be thinner than plastic lenses. The lenses may be formed by molding a glass wafer to form lens shapes on a first surface of the wafer; the molded wafer is then ground from a second surface to singulate the lenses.

Abstract: An optical prism that includes an interlock structure that precisely couples to a complementary structure of a refractive lens. For precision, the interlock structure may be formed at the same time and using the same technique as the optical surface of the prism. The interlock structure provides high accuracy when assembling a folded lens system by precisely aligning the object side optical surface of the lens with the image side optical surface of the prism so that the optical axis is centered in the lens. The prism may have refractive power. A portion of the object side surface may be coated with an opaque material to provide an aperture stop at that surface.

Abstract: A camera window holding mechanism (2) for holding a terminal camera window (3) is provided in a shoulder portion of a camera module (10a), an opening (H) is formed in a center portion of the camera window holding mechanism (2), and some of lenses on an object side of a lens unit (4a) are accommodated in the opening (H).

Abstract: An image surface-side group lens (18) is mounted on a flexible printed board (FPC) (2) by appropriately adjusting a height from the FPC (2) to the image surface-side group lens (18). A camera module (1) includes a sensor mounted on the FPC (2) and the image surface-side group lens (18) arranged on the sensor (14), in which the image surface-side group lens (18) is mounted on the FPC (2) with an adhesive (22) being interposed between the FPC (2) and an edge portion of the image surface-side group lens (18) on a side opposing the sensor (14).

Abstract: A method of manufacturing a camera module that is low profile and that can achieve superior resolving power, a camera module, and an imaging device are provided. A positioning step of positioning an object-side group optical unit (12a) along an optical axis direction with the use of a jig (40) such that the object-side group optical unit (12a) is located so as not to be in contact with an image-plane-side group lens (32a) and a fixing step of fixing the object-side group optical unit (12a) to a lens holder (20) are included.

Abstract: Provided is a camera module that is capable of driving with low power consumption and is small-sized and thin even in a case of having high resolution. A movable portion (4) provided in a lens driving device (9) of a camera module (20) has a shape that covers an upper side of a fixed lens (1b) and at least a part of a side part (side surface) of the fixed lens (1b).

Abstract: It is possible to (i) cause a sixth lens to more effectively correct various aberrations and (ii) make an optical overall length shorter. A first lens (L1) has positive refractive power. A fifth lens (L5) and a sixth lens (L6) each have negative refractive power. An object-side surface (L1F) of the first lens (L1) is a convex surface. At least one of an object-side surface and an image plane-side surface of each of a second lens (L2), a third lens (L3), a fourth lens (L4), and the fifth lens (L5) is an aspheric surface. An object-side surface (L6F) of the sixth lens (L6) is a concave surface and is an aspheric surface. An image plane-side surface (L6R) of the sixth lens (L6) is an optically planar surface throughout a region corresponding to an effective diameter of the image plane-side surface (L6R) of the sixth lens (L6).

Abstract: There is provided a lens element which is capable of obtaining a small-sized image capturing device with excellent resolving power, and an image capturing device including the lens element. A shape of an outer profile of an image side surface (L2) is substantially rectangular.

Abstract: A lens barrel (3) holding an imaging lens (2) is inserted into a carrier (5) accommodated in an actuator (4), and the carrier (5) is held at a position in an optical axis direction of the imaging lens (2) by the actuator (4). The position of the imaging lens (2) in the optical axis direction and the eccentricity of the imaging lens (2) are adjusted on the basis of imaging information of an image sensor (6), and the lens barrel (3) is fixed to the carrier (5).

Abstract: A lens aligning device includes: a decentering detection mechanism for measuring a first lens decentering amount; a aligning position calculation control mechanism for calculating a target inter-lens decentering amount by using Formula (1); an adjustment mechanism for moving at least one of a first lens and a second lens so that the inter-lens decentering amount matches the target inter-lens decentering amount.