Abstract: An optical lens includes a first lens, a filter, and a shading sheet between the first lens and the filter. The first lens is configured to emit a first light with a wavelength in a first wavelength range and a second light in a second wavelength range. The filter is after the first lens, allowing the through transmission of the first light for imaging but reflecting the second light. The shading sheet absorbs at least a part of the second light. An imaging device and an electronic device using same are also provided.

Abstract: A lens effectively rejecting light from outside of a field of view of an image-capturing device can be assembled with other lenses in a lens barrel to form a lens module. The lens includes a central effective optical area and a connection area arranged surrounding the effective optical area. The connection area includes a side surface and adjacent first end surface, the side surface includes a first plane area and an inclined plane area. The inclined plane area extends from an end of the first plane area away from the first end surface toward the axis of the lens. The disclosure also provides the lens module having the above lens.

Abstract: An optical lens utilizing individual lenses which are, all but one, made from plastic materials but with an optical clarity unaffected by temperature swings, includes first to sixth lenses. The first to sixth lenses of the optical lens meets conditions of composite formula 4.55<|EFL2|/|EFL1|<4.95, 1.91<(N1?N3)/(N2?N3)<1.93, 0.16<(V1?V3)/(V2?V3)<0.20, 0.95<(N4?N6)/(N5?N6)<1.05 and 0.95<(V4?V6)/(V5?V6)<1.05. EFL1 is a focal length of the first to third lenses, and EFL2 is a focal length of the fourth to sixth lenses. N1, N2, N3, N4, N5, and N6 are respective refractive indexes of the first to sixth lenses, and V1, V2, V3, V4, V5, and V6 are their respective Abbe numbers.

Abstract: A lens assembly includes a lens barrel, a lens group, a gasket, and a light shielding group. The lens group includes a number of lenses. The light shielding group includes a number of shielding sheets defining a through hole. The gasket is located between two lenses on a light exiting side of the lens assembly. An inner portion of the gasket defines an inner hole for transmitting light. An aperture of the inner hole increases from an object side of the lens assembly to an image side of the lens assembly. An aperture D1 of the through hole adjacent to the gasket and adjacent to the object side, an aperture D2 of the inner hole adjacent to the object side, and an aperture D3 of the through hole adjacent to the gasket and adjacent to the image side satisfy a relationship 0.65<D1/D2<0.85; and D3?D2.

Abstract: A camera lens with complete symmetry reduces or avoids light deviation and stray light reflections in a lens group, notwithstanding manufacturing marks and defects. A lens barrel and a lens group are also disclosed. The lens barrel is a hollow structure for receiving the lens group. The lens group defining at least one recess on an outer sidewall as a manufacturing mark receives a layer of black glue to improve the integrity of shape. A lens module and an electronic device using such a camera lens is also provided.

Abstract: A lens module capable of reducing flare includes a lens cone, a lens group, and a light-shielding sheet group. The lens group comprises a plurality of lenses formed from an object side of the lens module to an image side of the lens module. The light-shielding sheet group comprises a plurality of light-shielding sheets. The plurality of light-shielding sheets is embedded between each adjacent two lenses of the plurality of lenses. A difference value between an inner diameter of the lens cone corresponding to a first light shielding sheets arranged from the image side to the object side and an outer diameter of the first light shielding sheets arranged from the image side to the object side is greater than 0.01 mm and less than 0.02 mm. The disclosure also relates to an electronic device.

Abstract: An optical lens includes a lens barrel, a first lens, and a diaphragm film. The first lens is received within the lens barrel. The diaphragm film is fixed on the lens barrel. The first lens includes a spherical area, a stacking area, and a connecting area. The connecting area is coupled between the spherical area and the stacking area. The connecting area includes a planar area. The diaphragm film is located on the planar area.

Abstract: An optical lens includes a first lens and a second lens facing the first lens. The first lens includes a first flange structure. The first flange structure includes a first surface facing the second lens. The first surface includes a first positioning portion. The second lens includes a second flange structure. The second flange structure includes a second surface facing the first lens. The second surface includes a second positioning portion. The first positioning portion engages with the second positioning portion.

Abstract: A lens module includes a lens group and at least one coating film. The lens group includes a plurality of lenses arranged successively from an object side of the lens module to an image side of the lens module. Each lens has two effective surfaces. One effective surface is located on the object side of the lens module, and the other is located on the image side. The coating film formed on at least one of the effective surfaces. The coating film satisfies a first relationship: B1<0.5%; B2<0.35%. B1 refers to a maximum value of a reflectivity of incident light incident on the effective surfaces. B2 refers to an average value of the reflectivity of the incident light incident on the effective surfaces, a wavelength of the incident light being in a range of 490 nm to 620 nm.

Abstract: A camera lens or lens group of reduced overall length includes a first lens with positive power, a second lens with negative power, a third lens with positive power, and an imaging element. The first, object side, lens includes a first surface and a second surface, the second lens includes a third surface and a fourth surface, and the third lens includes a fifth surface and a sixth surface. The camera lens satisfies conditions of 1.00<D/TTL<1.25; 0.85<|F1|/|F|<0.95; 3.85<|F2|/|F|<4.15; and 21.50<|F3|/|F|<27.50. D is the maximum imaging circle diameter on the imaging surface, TTL is the distance from the center point to the imaging side of the object-side surface of the first lens, F is the total focal length of the camera lens, F1 is the focal length of the first lens, F2 is the focal length of the second lens, and F3 is the focal length of the third lens.

Abstract: A light-shielding sheet is circular in shape and capable of reducing flare, the light-shielding sheet includes a first surface, a second surface opposite to the first surface, and an inclined surface connected to the first surface and the second surface. The first surface, the second surface, and the inclined surface are antireflective surfaces. An inner diameter of the light-shielding sheet adjacent to the first surface is greater than an inner diameter of the light-shielding sheet adjacent to the second surface. The disclosure also relates to a lens module using the light-shielding sheet, and an electronic device using the lens module.

Abstract: A coating mask for bearing and covering a portion of a to-be-plated component includes at least one bearing unit. Each bearing unit includes a first bearing portion, a second bearing portion, and at least two ribbed plates. An annular groove is defined between the first bearing portion and the second bearing portion. The at least two ribbed plates are formed in the annular groove. Each of the at least two ribbed plates includes a first ribbed portion and a second ribbed portion connected to the first ribbed portion. The first ribbed portion is connected to the second bearing portion; the second ribbed portion is connected to the first bearing portion. An included angle ?1 is defined by the first ribbed portion and the second ribbed portion, and ?1 is an obtuse angle. The disclosure also relates to a coating device.

Abstract: A retaining ring for retaining lenses in a lens module carries an internal shape reducing the incidence of stray reflected light. The through hole in the retaining ring allows light to pass and a prismatic protrusion is disposed on a wall of the through hole. The protrusion has first and second inclined surfaces each at a specific angle. Acute angle ?1 is formed between the first inclined surface and end surface of ring, and acute angle ?2 is formed between the second inclined surface and other end surface of ring. Relationship between the acute angles are ?1>?2, and 60°??1+?2?80°. A lens module using such a retaining ring is also provided.

Abstract: A narrow-profile lens group for long-distance image capture includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, from object side to imaging side. Each lens has two surfaces, the group meeting formula 0.85<D/TTL<1.05, 0.37<(D*0.5)/F<0.45, where D is the maximum imaging circle diameter on the imaging surface; TTL is the distance from the center point of a surface of the first lens adjacent to the object side to the imaging surface, and F is the focal length of the telephoto lens.

Abstract: A fixing ring of a certain design for a lens module substantially reduces stray light. The fixing ring defines a central axis, and comprises a base surface and a processing surface, formed from an edge of the base surface. A first angle ?1 exists between a first side cut surface and a surface perpendicular to the central axis, a distance L1 and the first angle ?1 satisfy formulas 0.015 mm<L1<0.025 mm and 20°<?1<40°. The disclosure further provides a lens module and an electronic device comprising the fixing ring. An anti-dazzle film, matching with the fixing ring to completely absorb stray light, is included in the lens module.

Abstract: A lens module reducing stray light includes at least two overlapping lenses, each of the lenses includes a light passing area and a flange area outside the light passing area. Each of the lenses includes a first surface disposed toward one adjacent lens. The first surface has optical microstructures, the optical microstructures scatter light entering the flange area. The first surface also includes an overlapping portion protruding from the first surface in the flange area. Adjacent lenses are accurately aligned by the overlapping portion, the overlapping portion includes a second surface away from the first surface. The second surface of each lens is in contact with the second surface of the adjacent lens, and the second surface is a smooth surface. An optical lens and an electronic device are also disclosed.

Abstract: A lens module capable of reducing flare includes a lens cone, a lens group, and a light-shielding sheet group. The lens group comprises a plurality of lenses formed from an object side of the lens module to an image side of the lens module. The light-shielding sheet group comprises a plurality of light-shielding sheets. The plurality of light-shielding sheets is embedded between each adjacent two lenses of the plurality of lenses. A difference value between an inner diameter of the lens cone corresponding to a first light shielding sheets arranged from the image side to the object side and an outer diameter of the first light shielding sheets arranged from the image side to the object side is greater than 0.01 mm and less than 0.02 mm. The disclosure also relates to an electronic device.

Abstract: A high-resolution imaging lens proofed against high-temperature instability includes a first lens with a negative power, a second lens with a negative power, a third lens with a positive power, a fourth lens with a negative power, a fifth lens with a positive power, and a sixth lens with a positive power. The first to the sixth lenses satisfy conditions of F1<0; 0.8>|F2/F6|>0.6, F2<0, F6>0; ?3>F4/F5>?2, and 2.0<F/#. Each of the first lens, the third lens, the fourth lens, and the fifth lens is made of glass, each of the second lens and the sixth lens is made of plastic.

Abstract: A lens module includes a lens group and at least one coating film. The lens group includes a plurality of lenses arranged successively from an object side of the lens module to an image side of the lens module. Each lens has two effective surfaces. One effective surface is located on the object side of the lens module, and the other is located on the image side. The coating film formed on at least one of the effective surfaces. The coating film satisfies a first relationship: B1<0.5%; B2<0.35%. B1 refers to a maximum value of a reflectivity of incident light incident on the effective surfaces. B2 refers to an average value of the reflectivity of the incident light incident on the effective surfaces, a wavelength of the incident light being in a range of 490 nm to 620 nm.

Abstract: A light shield for reducing the amount of stray light reaching an image sensor includes a first surface, a second surface, an outer lateral face, and an inner lateral face. The first surface faces an object side and defines a first central opening. The second surface faces an image side and defines a second central opening communicating with the first central opening. The outer lateral face connects outer side edges of the first and second surfaces. The inner lateral face connects inner side edges of the first and second surface surfaces. A first intersection angle is defined between the second surface and a contour line of the inner lateral face connecting the first surface and the second surface, and the first intersection angle is a sharp corner.