Hon Hai Precision Industry Co., Ltd.

Ya-Lan Feng

Chun-Cheng Ko

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.

Optical lense and electronic device having the same

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.

Telephoto lens

A lens module includes a lens barrel, a lens group, and a soma. The soma includes a first end surface facing an object side and a second end surface facing an image side. An end point of the lens group closest to the object side is defined as an origin. An angle formed by a line connecting the origin to a point on the first end surface closest to an optical axis and the optical axis is defined as a first angle &#x3b1;. An angle formed by a line connecting the origin to a point on the second end surface closest to the optical axis and the optical axis is defined as a second angle &#x3b2;. The first angle &#x3b1; and the second angle &#x3b2; satisfy the following relationship: &#x3b2;&#x3e;34.5&#xb0; and &#x3b1;-&#x3b2;&#x3c;0.4&#xb0;.

Lens module

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&#x3c;D/TTL&#x3c;1.25; 0.85&#x3c;|F|/|F|&#x3c;0.95; 3.85&#x3c;|F|/|F|&#x3c;4.15; and 21.50&#x3c;|F|/|F|&#x3c;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, Fis the focal length of the first lens, Fis the focal length of the second lens, and Fis the focal length of the third lens.

Camera lens

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 &#x3b8;is defined by the first ribbed portion and the second ribbed portion, and &#x3b8;is an obtuse angle. The disclosure also relates to a coating device.

Coating mask and coating device

A spacer for fixing a distance between adjacent lenses of a lens module carries an internal shape reducing the incidence of stray reflected light. The spacer defines a through hole to allow light to pass and a prismatic protrusion is disposed on a wall of the through hole. A first inclined surface of the prismatic protrusion is connected to an end surface of spacer and to a second inclined surface of the prismatic protrusion. The second inclined surface is connected to other end surface of spacer. Acute angle &#x3b8;is formed between the first inclined surface and end surface, and acute angle &#x3b8;is formed between the second inclined surface and other end surface. Relationship between the acute angles are &#x3b8;, and 60&#xb0;&#x2264;&#x3b8;80&#xb0;. A lens module using such a spacer is also provided.

Light-cancelling lens spacer and lens module using same

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.

Camera lens, lens module, and electronic device using same

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 Dof the through hole adjacent to the gasket and adjacent to the object side, an aperture Dof the inner hole adjacent to the object side, and an aperture Dof the through hole adjacent to the gasket and adjacent to the image side satisfy a relationship 0.65&#x3c;D/D&#x3c;0.85; and D&#x2264;D

Lens assembly and electronic device having same

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.

Lens module capable of reducing flare and electronic device using the same

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 &#x3b8;1 is formed between the first inclined surface and end surface of ring, and acute angle &#x3b8;2 is formed between the second inclined surface and other end surface of ring. Relationship between the acute angles are &#x3b8;1&#x3e;&#x3b8;2, and 60&#xb0;&#x2264;&#x3b8;1+&#x3b8;2&#x2264;80&#xb0;. A lens module using such a retaining ring is also provided.

Light-cancelling ring for retaining camera lens and lens module using same

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 &#x3b8;exists between a first side cut surface and a surface perpendicular to the central axis, a distance L1 and the first angle &#x3b8;satisfy formulas 0.015 mm&#x3c;L1&#x3c;0.025 mm and 20&#xb0;&#x3c;&#x3b8;&#x3c;40&#xb0;. 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.

Growing community of inventors

Taipei, Taiwan

Ya-Lan Feng