US 10,764,476 B2 · Optical image capturing module

Abstract

An optical image capturing module is provided, including a circuit assembly and a lens assembly. The circuit assembly may include a circuit substrate, a plurality of image sensor elements, a plurality of signal transmission elements, and a multi-lens frame. The image sensor elements may be connected to the circuit substrate. The signal transmission elements may be electrically connected between the circuit substrate and the image sensor elements. The multi-lens frame may be manufactured integrally, be covered on the circuit substrate, and surround the image sensor elements and the signal transmission elements. The lens assembly may include a lens base, an auto-focus lens assembly, and a driving assembly. The lens base may be fixed to a multi-lens frame. The auto-focus lens assembly may have at least two lenses with refractive power.

An optical image capturing module, comprising:

a circuit assembly, comprising:
a circuit substrate, comprising a plurality of circuit contacts;
a plurality of image sensor elements, each of the image sensor elements comprising a first surface and a second surface, the first surface connected to the circuit substrate, and the second surface having a sensing surface and a plurality of image contacts;
a plurality of signal transmission elements, electrically connected between the plurality of circuit contacts on the circuit substrate and each of the plurality of image contacts of each of the image sensor elements;
and
a multi-lens frame, manufactured integrally, covered on the circuit substrate, and surrounding the image sensing elements and the signal transmission elements, and positions corresponding to the sensing surface of the plurality of image sensor elements having a plurality of light channels;
and
a lens assembly, comprising
a plurality of lens bases, each of the lens bases made of an opaque material and having an accommodating hole passing through two ends of the lens base in such a way that the lens base becomes a hollow shape, and each of the lens bases disposed on the multi-lens frame in such a way that the accommodating hole is connected to the light channel;
and
a plurality of auto-focus lens assemblies, each of the auto-focus lens assemblies having at least two lenses with refractive power, disposed on the lens base and positioned in the accommodating hole, an image plane of each of the auto-focus lens assemblies positioned on the sensing surface, and an optical axis of each of the auto-focus lens assemblies overlapping a central normal line of the sensing surface in such a way that light is able to pass through each of the auto-focus lens assemblies in the accommodating hole, pass through the light channel, and be emitted to the sensing surface;
and
a plurality of driving assemblies electrically connected to the circuit substrate, and driving each of the auto-focus lens assemblies to move in a direction of the central normal line of the sensing surface;
wherein, the auto-focus lens assembly further satisfies the following conditions:
1.0≤f/HEP≤10.0;
0 deg<HAF≤150 deg;
0 mm<PhiD≤18 mm
0<PhiA/PhiD≤0.99;
and
0.9≤2(ARE/HEP)≤2.0;
01.≤InS/HOS≤1.1;
and
IN12/f≤60;
wherein, f is a focal length of the auto-focus lens assembly;
HEP is an entrance pupil diameter of the auto-focus lens assembly;
HAF is a half maximum angle of view of the auto-focus lens assembly;
PhiD is a maximum value of a minimum side length of an outer periphery of the lens base perpendicular to the optical axis of the auto-focus lens assembly;
PhiA is a maximum effective diameter of the auto-focus lens assembly nearest to a lens surface of the image plane;
ARE is an arc length along an outline of the lens surface, starting from an intersection point of any lens surface of any lens and the optical axis in the auto-focus lens assembly, and ending at a point with a vertical height which is a distance from the optical, axis to half the entrance pupil diameter;
InS is a distance from the light diaphragm (aperture) to image plane on the optical axis;
HOS is a distance on the optical axis from an object side surface of a first lens to the image plane;
and IN12 is a distance between the first lens and a second lens.

29 more elements

Optical image capturing module

Life of this patent

Optical image capturing module

Life of this patent

Abstract

Claims31