Imaging lens assembly, camera module and electronic device

An imaging lens assembly, comprising:

• an optical reflecting element having a normal axis, the optical reflecting element for folding an incident light path into an exiting light path symmetrically relative to the normal axis, and comprising:
• an optical effective surface, the normal axis passing through the optical effective surface perpendicularly, wherein an area passed through by the normal axis is defined as an optical effective area;
• a relative surface disposed relatively to the optical effective surface;
• an outer diameter surface surrounding the optical effective surface and defining an edge contour, and the edge contour defining a maximum contour area;
• and
• a connecting surface connecting the optical effective surface and the outer diameter surface;
• and
• an optical reflecting element embedded carrier for fixing the optical reflecting element, and the optical reflecting element being embedded thereinto, wherein the optical reflecting element and the optical reflecting element embedded carrier are integrally formed by insert molding;
• wherein the optical effective surface is planar;
• wherein the optical reflecting element embedded carrier comprises a covering portion disposed on the connecting surface;
• wherein the edge contour of the outer diameter surface is covered by the covering portion of the optical reflecting element embedded carrier corresponding to an observation along a direction parallel to the normal axis;
• wherein the maximum contour area is Ac, the optical effective area is Ao, an angle of a range of the maximum contour area covered by the covering portion along a circumferential direction around the normal axis is θ, and the following conditions are satisfied:
• 0 mm2<Ao<Ac≤250 mm2;
• and
• 180 degrees≤θ≤360 degrees.

An imaging lens assembly, comprising:

• an optical reflecting element having a normal axis, the optical reflecting element for folding an incident light path into an exiting light path symmetrically relative to the normal axis, and comprising:
• an optical effective surface, the normal axis passing through the optical effective surface perpendicularly, wherein an area passed through by the normal axis is defined as an optical effective area;
• a relative surface disposed relatively to the optical effective surface;
• an outer diameter surface surrounding the optical effective surface and defining an edge contour, and the edge contour defining a maximum contour area;
• and
• a connecting surface connecting the optical effective surface and the outer diameter surface;
• and
• an optical reflecting element embedded carrier for fixing the optical reflecting element, and the optical reflecting element being embedded thereinto, wherein the optical reflecting element and the optical reflecting element embedded carrier are integrally formed by insert molding;
• wherein the optical effective surface is planar;
• wherein the optical reflecting element embedded carrier comprises a covering portion disposed on the connecting surface;
• wherein the edge contour of the outer diameter surface is covered by the covering portion of the optical reflecting element embedded carrier corresponding to an observation along a direction parallel to the normal axis;
• wherein a height difference between the optical effective surface and one surface of the covering portion along the direction parallel to the normal axis is ΔH, and the following condition is satisfied:
• −0.15 mm≤Δ≤0.005 mm.

An imaging lens assembly, comprising:

• an optical reflecting element having a normal axis, the optical reflecting element for folding an incident light path into an exiting light path symmetrically relative to the normal axis, and comprising:
• an optical effective surface, the normal axis passing through the optical effective surface perpendicularly, wherein an area passed through by the normal axis is defined as an optical effective area;
• a relative surface disposed relatively to the optical effective surface;
• an outer diameter surface surrounding the optical effective surface and defining an edge contour, and the edge contour defining a maximum contour area;
• and
• a connecting surface connecting the optical effective surface and the outer diameter surface;
• and
• an optical reflecting element embedded carrier for fixing the optical reflecting element, and the optical reflecting element being embedded thereinto, wherein the optical reflecting element and the optical reflecting element embedded carrier are integrally formed by insert molding;
• wherein the optical effective surface is planar;
• wherein the optical reflecting element embedded carrier comprises a covering portion disposed on the connecting surface;
• wherein the edge contour of the outer diameter surface is covered by the covering portion of the optical reflecting element embedded carrier corresponding to an observation along a direction parallel to the normal axis;
• wherein the optical reflecting element embedded carrier further comprises a stepping structure, the stepping structure comprises a stepping surface, and the stepping structure is disposed adjacent to the optical effective surface;
• wherein a height difference between the stepping surface and one surface of the covering portion along the direction parallel to the normal axis is ΔE, and the following condition is satisfied:
• −0.25 mm≤ΔE≤0.25 mm.