A spectacle frame is disclosed comprising a front piece and a pair of temple bars, wherein said temple bars comprise a temple bar body provided with a housing pocket, and a terminal extension provided with a mounting stem, said stem being inserted longitudinally adjustable into said housing pocket, wherein a plurality of parallel grooves is provided on an adjustment side of said temple bar, and a through cut-out is provided on said temple bar body opposite to said parallel grooves, and moreover a leaf-spring member which has a central knee portion and two lateral wings which extend on two converging planes, and a closing cover of said cut-out provided with an inner surface and elastically snap-locked in said cut-out, remaining with an outer surface thereof flush with an outer surface of said temple bar body, said leaf-spring member being enclosed between said inner surface of the cover and said grooves.

A connection structure of a spectacle frame includes a frame, a connection member, and a temple. The frame is provided with a joint portion at each of both sides thereof, and a pivot shaft protrudes from each of upper and lower surfaces of a joint end of the joint portion. The connection member includes a body provided with a through-hole and having first and second abutting portions at front and rear sides of the through-hole. A head end of the connection member is provided with two shaft holes to respectively connect the two pivot shafts. The temple has a bending portion and an elastic piece extending from the bending portion and passing through the through-hole, such that the bending portion abuts against the first abutting portion and the second abutting portion to allow the temple relative to the frame to be folded inward or stretched outward.

This frame comprises: a front piece; a temple piece; a connection part that is elastic and that connects the front piece and the temple piece; and wiring which electrically connects a front piece-side electrical element provided to the front piece and a temple piece-side electrical element provided to the temple piece, and a portion of which is routed through the space between the front piece and the connection part.

Magnetic Bluetooth eyeglasses are revealed. A Bluetooth circuit module is mounted in a mounting space of a temple and provided with a built-in Bluetooth unit connected to mobile devices. The Bluetooth circuit module further includes a microphone, a speaker, a touch switch, and a power connection base. The temple is connected to a power supply device by magnetic attraction between first and second magnetic members while the power supply device is in contact with the power connection base of the Bluetooth circuit module. Thereby users are not bothered by wires while in use and the eyeglasses are more convenient to use. Moreover, the eyeglasses can still be used during charging process. Users only need to replace the power supply device with a new one already charged instead of taking off the whole eyeglasses. The eyeglasses which prevent moisture infiltration provide longer service life.

The present invention relates to a spectacle frame comprising: a front face, on which the at least one lens is intended to be fastened; a first temple and a second adjusting device temple each attached on one end of the front face; and a first adjusting device intended to adjust the position of the at least one lens relative to the front face of the frame, the first adjusting device comprising at least one first positioning element intended to cooperate with at least one second positioning element of a second adjusting device belonging to the at least one lens, characterized in that the first adjusting device is arranged to define a set of relative positions of the at least one second positioning element relative to the frame disposed on a curved line comprised in an inclined plane relative to a reference plane comprising the optical axes in far vision of the eyes of a user. The present invention also relates to a spectacle lens.

Disclosed is a 3D printed eyewear frame having an integrated hinge. Advantageously, the integrated hinge assembly is a crossed spring hinge. Methods of manufacturing a 3D printed eyewear frame are likewise provided.

A near-eye display device includes (a) a display unit having a liquid-crystal-on-silicon (LCOS) display and a first polarizing beam splitter interface for (i) reflecting illumination light from an illumination module towards the liquid-crystal-on-silicon display and (ii) transmitting display light from the LCOS display based on the illumination light, and (b) a viewing unit having an imaging objective that forms an image of the LCOS display for the pupil based on the display light, and a second polarizing beam splitter interface for (i) reflecting reflected display light from the imaging objective towards the pupil and (ii) transmitting ambient light from an ambient scene towards a pupil, the second polarizing beam splitter interface and the first polarizing beam splitter interface being orthogonal to a common plane.

Provided is a connection structure between a frame and legs of a pair of eyeglasses. A pivoting end of a leg is formed as a rotating shaft; correspondingly a pivoting end of a frame is formed as a rotating shaft base; an upper clip, an intermediate clip, and a lower clip extend from the rotating shaft base of the frame; the intermediate clip is staggered with the upper clip and the lower clip, the rotating shaft of the leg is clamped between the intermediate clip, the upper clip and the lower clip, and the rotating shaft of the leg rotates between the intermediate clip, the upper clip and the lower clip, enabling the leg to fold closed and open. The connection between the frame and the leg is screw-less, providing a simple structure, convenient installation, and comfortable wear.

Eyeglasses with replaceable temples, and exemplary mechanisms to attach a frame-connected portion to a replaceable temple portion, are presented. An eyeglass frame can be attached to a hinged metal piece. The hinged metal piece can have a front solid portion and a rear bezel, including a spring and mesa portion. The spring and mesa portion can include a resilient spring material and an upwardly protruding mesa, and can be inserted into a cavity in a temple piece, and locked into place. By providing numerous temple pieces having essentially the same cavity dimensions, the eyeglasses can be used with an assortment of interchangeable temple pieces, which can be changed at will, effectively giving a wearer many looks and styles from the same basic frame, with the same lenses.

Provided is a head-mounted display apparatus including a frame extending in a first direction, a display unit configured to emit image light in a second direction intersecting the first direction, a casing attached to one end, in the first direction, of the frame and housing a part of the display unit, and a temple portion arranged on a center side of the head-mounted display device, in the first direction, with respect to the casing. The casing includes a side surface positioned on a side on which the temple portion is arranged, and a first recessed portion, in the side surface, opening in the second direction to form a first gap with the temple portion that is arranged along the side surface.