Plastic optical lens

A plastic optical lens, comprising:

• an optical portion, passed by a central axis;
• and
• a mounting portion, enclosing at least a partial of the optical portion, the mounting portion comprising:
• a first surface, facing a first side;
• a circular barrel mounting surface;
• a second surface, facing a second side and connecting with the circular barrel mounting surface;
• a gate cutting surface, connecting with the circular barrel mounting surface;
• and
• a protruding rim, formed within a first radial range, taking the central axis as the center, and connecting with the first surface and the circular barrel mounting surface, the first radial range comprising at least a second radial range opposite to the gate cutting surface, the protruding rim comprising a ring surface and a conic surface, the conic surface connecting with the ring surface and the circular barrel mounting surface, and the ring surface connecting with the first surface forming a maximum radius of lens the conic surface at the place where the conic surface connects with the ring surface, and
• wherein the plastic optical lens satisfies 0.650≤Wcb/Tplup≤6.400, in which Wcb is a maximum width of the circular barrel mounting surface in the mounting portion of the plastic optical lens, parallel to the central axis, Tplup is a maximum distance between the circular barrel mounting surface of the plastic optical lens to the first surface of the plastic optical lens, and the plastic optical lens further satisfies 0.055≤θc/360 degrees≤0.920, in which θc represents a sum of at least one central angle formed by the first radial range and the central axis.

A plastic optical lens, comprising:

• an optical portion, passed by a central axis;
• and
• a mounting portion, enclosing at least a partial of the optical portion, the mounting portion comprising:
• a first surface, facing a first side;
• a circular barrel mounting surface, connecting with the first surface and being parallel to the central axis;
• a gate cutting surface, connecting with the circular barrel mounting surface;
• and
• a second surface, facing a second side and connecting with the circular barrel mounting surface, the second surface comprising at least one multi-chamfering corner in vicinity of the gate cutting surface, the at least one multi-chamfering corner connecting with the circular barrel mounting surface, the at least one multi-chamfering corner comprising a first surface and a second surface, the first surface, compared with the second surface, being relatively closer to the circular barrel mounting surface, two included angles formed by a tangent line of either the first surface or the second surface and the central axis are within 10~45 degrees, and among the two included angles, the one, formed by the tangent line of the first surface and the central axis, being greater,
• wherein the plastic optical lens satisfies 0.055≤θgs/360 degrees≤0.920 and 0.300≤Wcb/Wgs≤2.250, in which θgs represents a sum of at least one central angle formed by the at least one multi-chamfering corner and the central axis respectively, Web is a maximum width of the circular barrel mounting surface in the mounting portion of the plastic optical lens, parallel to the central axis, Wgs is a maximum width of the multi-chamfering corner in the mounting portion of the plastic optical lens, parallel to the central axis.