Abstract: An optical communication device includes a circuit board, a light-emitting element, a light-receiving element, and a planar light guide circuit. The circuit board includes an upper mounting surface. The upper mounting surface defines a groove. The groove includes a first inclined surface and a second inclined surface. The first and the second inclined surfaces are slanted relative to a bottom surface of the groove and connected between the upper mounting surface and the bottom surface. A reflection layer is coated on the first and second inclined surfaces. The light-emitting element includes a light emergent surface, and the light-receiving element includes a light incident surface. The light-emitting element and the light-receiving element are mounted on the upper mounting surface. The planar light guide circuit is received in the groove. Two ends of the planar light guide circuit face reflection layers of the first inclined surface and the second inclined surface, respectively.

Abstract: An optical coupling module includes a top surface, a bottom surface parallel and opposite to the top surface, a front side surface, and a rear side surface parallel and opposite to the front side surface. The bottom surface defines a bottom groove including a first optical surface. Optical coupling lenses are arranged on the first optical surface. The bottom groove further includes a mounting surface parallel to the first optical surface and perpendicularly connected with the front side surface. Grooves in the mounting surface receive and locate optical fibers, which intersect with a straight line along the optical axes of the optical coupling lenses, the straight line runs between the optical coupling lenses and the photoelectric conversion members.

Abstract: An optical coupling module includes a top surface, a bottom surface parallel and opposite to the top surface, a front side surface, and a rear side surface parallel and opposite to the front side surface. The bottom surface defines a bottom groove including a first optical surface. Optical coupling lenses are arranged on the first optical surface. The bottom groove further includes a mounting surface parallel to the first optical surface and perpendicularly connected with the front side surface. Grooves in the mounting surface receive and locate optical fibers, which intersect with a straight line along the optical axes of the optical coupling lenses, the straight line runs between the optical coupling lenses and the photoelectric conversion members.

Abstract: An optical communication device includes a planar optical waveguide, a substrate, a light emitting element, a light receiving element, a first optical waveguide, and a second optical waveguide. The substrate is supported over the planar optical waveguide. The light emitting element and the light receiving element are electrically connected to the substrate. The planar optical waveguide defines a first guide hole and a second guide hole. The substrate defines a first receiving hole and a second receiving hole. The first optical waveguide includes a first sloped surface and is received in the first guide hole and the first receiving hole, such that the first sloped surface aligns with the light emitting element. The second optical waveguide includes a second sloped surface and is received in the second guide hole and the second receiving hole, such that the second sloped surface aligns with the light emitting element.

Abstract: An optical communication apparatus includes a PCB, a photoelectric unit for emitting or receiving light carrying optical signals, a calculation and control unit, and a light waveguide for transmitting optical signals. The calculation and control unit controls the photoelectric unit, processes electrical signals, calculates based on the electrical signals, and controls the photoelectric unit to emit or receive light. The light waveguide is positioned on a surface of the PCB. The calculation and control unit includes a lapping plate lapping on the surface of the PCB. The lapping plate defines an opening exposing a portion of the light waveguide. The photoelectrical unit is positioned on the lapping plate covering the opening and is optically aligned with the light waveguide through the opening.

Abstract: An optical communication device includes a planar optical waveguide, a substrate, a light emitting element, a light receiving element, a first optical waveguide, and a second optical waveguide. The substrate is supported over the planar optical waveguide. The light emitting element and the light receiving element are electrically connected to the substrate. The planar optical waveguide defines a first guide hole and a second guide hole. The substrate defines a first receiving hole and a second receiving hole. The first optical waveguide includes a first sloped surface and is received in the first guide hole and the first receiving hole, such that the first sloped surface aligns with the light emitting element. The second optical waveguide includes a second sloped surface and is received in the second guide hole and the second receiving hole, such that the second sloped surface aligns with the light emitting element.

Abstract: An optical communication device includes a printed circuit board (PCB), a light emitting element, a light receiving element, and a light waveguide. The PCB includes a substrate. The substrate includes a first end surface and a second end surface opposite to the first end surface. The light emitting element is electrically connected to the first end surface. The light receiving element is electrically connected to the second end surface. The light waveguide includes a light incident end and a light emergent end. The light waveguide is embedded in the substrate. The light incident end is exposed to the first end surface and optically aligned with the light emitting element along a transmitting direction of the light waveguide. The light emergent end is exposed to the second end surface and optically aligned with the light receiving element along the transmitting direction of the light waveguide.

Abstract: An optical communication device includes a substrate, a first optical-electric element, a second optical-electric element, a planar optical waveguide and a fixing device. Both the first and the second optical-electric elements are positioned on the substrate. The first optical-electric element includes a light emitting surface. The second optical-electric element includes a light receiving surface. The planar optical waveguide includes a first reflecting surface and a second reflecting surface. The fixing device includes a fixing pole and a fixing ring. The fixing pole defines a through hole. The planar optical waveguide runs through the through hole and is coiled by the fixing ring. The fixing ring is fixed on the fixing pole. The planar optical waveguide is positioned above the first and the second optical-electric elements, with the first reflecting surface aligning with the light emitting surface, and the second reflecting surface aligning with the light receiving surface.

Abstract: An optical communication device includes a light emitting element including a light emitting surface, a first substrate coating the light emitting element, a light receiving element including a light receiving surface, a second substrate coating the light receiving element, a planar optical waveguide, a first reflecting element including a first sloped surface, and a second reflecting element including a second sloped surface. The first substrate includes a first supporting surface. The first supporting surface defines a first light guiding hole spatially corresponding to the light emitting surface. The second substrate includes a second supporting surface. The second supporting surface defines a second light guiding hole spatially corresponding to the light receiving surface. The planar optical waveguide is positioned on the first supporting surface and the second supporting surface.

Abstract: An optical communication device includes a light emitting element including a light emitting surface, a processor, a first controller electrically connected to the light emitting element and electrically connected to the processor, a light receiving element including a light receiving surface, a storing element, a second controller electrically connected to the light receiving element and electrically connected to the storing element, a first coating element coating the light emitting element, the first controller, the processor, the light receiving element, the second controller, and the storing element, a planar optical waveguide, and two reflecting elements. The first coating element includes a supporting surface. The supporting surface defines two light guiding holes. The planar optical waveguide is positioned on the supporting surface, and defines two through holes. Each through hole spatially corresponds to and communicates with a light guiding hole.

Abstract: An optical waveguide includes a printed circuit board, a waveguide, a light emitter, a light receiver, a transparent driver, and a transparent processor. The driver and the processor are received in and mounted to the printed circuit board through a flip-chip method. The light emitter and the light receiver are mounted to the driver and the processor, respectively, through the flip-chip method. The planar waveguide is attached to a side of the printed circuit board opposite to the light emitter and the light receiver. The driver drives the light emitter to emit light according to input signals. This light is directed onto the light receiver through the driver, the planar waveguide, and the processor. The light receiver converts the light into electrical signals. The processor processes the electrical signals to obtain the input signals.

Abstract: An optical communication apparatus includes an emitting device and a receiving device. The emitting device includes optical signal emitters, a first driver chip, a first lens member, a first control chip, and a first wireless transmitting and receiving unit. The receiving device includes optical signal receivers, a second driver chip, a second lens member, a second control chip, and a second wireless transmitting and receiving unit. The optical signal emitter emits light carrying optical signals. The first wireless transmitting and receiving unit wirelessly transmits intensity information of the light to the receiving device. The second wireless transmitting and receiving unit receives the intensity information. The second driver chip drives the optical signal receivers to receive the light.

Abstract: An optical connector includes a circuit board. The circuit board includes a substrate and a circuit unit. A photoelectric element and a driver chip are located on the substrate. The photoelectric element includes a conductive pin and a metallic layer. The conductive pin is formed on a surface of the photoelectric element away from the circuit board, and the metallic layer is formed on another surface of the photoelectric element facing the circuit board. The conductive pin and the metallic layer serve as terminals of the photoelectric element. The driver chip is electrically connected to the photoelectric element by the circuit unit.

Abstract: An optical communication device includes a light emitting element including a light emitting surface, a processor, a first controller electrically connected to the light emitting element and electrically connected to the processor, a light receiving element including a light receiving surface, a storing element, a second controller electrically connected to the light receiving element and electrically connected to the storing element, a first coating element coating the light emitting element, the first controller, the processor, the light receiving element, the second controller, and the storing element, a planar optical waveguide, and two reflecting elements. The first coating element includes a supporting surface. The supporting surface defines two light guiding holes. The planar optical waveguide is positioned on the supporting surface, and defines two through holes. Each through hole spatially corresponds to and communicates with a light guiding hole.

Abstract: An optical communication device includes a planar optical waveguide, a first substrate, a light emitting element, and a light receiving element. The planar optical waveguide includes a top surface and a light guide portion. The light guide portion includes a first sloped surface and a second sloped surface. The first substrate includes a mounting surface. The first substrate is supported on the top surface. An end of the first substrate defines a first receiving hole. The other end of the first substrate defines a second receiving hole. The light emitting element is received in the first receiving hole and faces the first sloped surface at about a 45 degree angle. The light receiving element is received in the second receiving hole and faces the second sloped surface at about a 45 degree angle.

Abstract: An optical communication device includes a connector, a first substrate, a first driving chip, a light emitting element, a second driving chip, a light receiving element, a coupling lens assembly, and an optical waveguide. The first substrate is supported on the connector and electrically connected to the connector. The first substrate includes a bottom surface and a supporting surface facing away from the bottom surface. Both the light emitting element and the light receiving element are received in the first substrate. The first driving chip is supported on the supporting surface, and electrically connected to the first substrate and the light emitting element. The second driving is supported on the supporting surface, and electrically connected to the first substrate and the light receiving element. The coupling lens assembly is detachably connected to the first and second driving chips. The optical waveguide is detachably connected to the coupling lens assembly.

Abstract: An optical-electrical conversion module includes a circuit board, a planar optical waveguide formed on the circuit board, two first lenses and two second lenses mounted above the planar optical waveguide, a base plate electrically connected to the circuit board, and an optical signal emitting member and an optical signal receiving member mounted on the base plate. The planar optical waveguide forms two inclined surfaces. The base plate is positioned above the second lenses. Optical signals are reflected by the inclined surface, and are transmitted to the optical signal receiving member. The optical signal receiving member converts the optical signals to electrical signals to transmit to the circuit board. Electrical signals of the circuit board are converted to optical signals via the optical signal emitting member, and then are transmitted to the planar optical waveguide. The present disclosure further provides an optical transmission connecting assembly using the optical-electrical conversion module.

Abstract: An optical transmission assembly includes a base plate, an optical signal emitting member, an efferent optical fiber, an optical coupler, an afferent optical fiber, and an optical signal receiving member. The optical signal emitting member is mounted on or besides the base plate. The optical signal isolator is mounted on the base plate, and alignes with the optical signal emitting member. The efferent optical fiber is mounted on the base plate. The optical coupler is located besides the base plate, coupling with the optical signal isolator via the efferent optical fiber. The afferent optical fiber is mounted on the base plate. The optical signal receiving member is mounted on or besides the base plate, coupling with the optical coupler via the afferent optical fiber. The present disclosure further includes a bidirectional and double-frequency optical transmission module having the optical transmission assembly.

Abstract: An optical communication device includes a planar optical waveguide, a circuit board, a light emitting element, and a light receiving element. The circuit board includes a mounting surface. Both the light emitting element and the light receiving element are supported on the mounting surface. The planar optical waveguide is buried in the circuit board. The planar optical waveguide includes a first sloped surface and a second sloped surface respectively on two opposite ends of the planar optical waveguide. The mounting surface defines a first light guide hole aligning with the first sloped surface and a second light guide hole aligning with the second sloped surface. The light emitting element is aligned with the first sloped surface through the first light guide hole. The light receiving element is aligned with the second sloped surface through the second light guide hole.

Abstract: An optical communication device includes a substrate, a photoelectric element, a driver chip, a light waveguide unit, and a lens element. The substrate defines a receiving groove and a number of positioning holes around the receiving groove. The photoelectric element and the driver are electrically positioned on the substrate. The photoelectric element is configured for emitting/receiving optical signals, and the driver chip is configured for driving the photoelectric element to emit/receive optical signals. The light waveguide unit is configured for transmitting optical signals. The lens element includes a number of positioning portions corresponding to the positioning holes. The lens element is received in the receiving groove, and the positioning portions are received in the positioning holes.