Abstract: An optical fiber coupling assembly includes a first and a second optical fiber connectors. The first optical fiber connector includes a first light guide, a first light source, a first photoelectric conversion element, a plug holding a first optical lens, and a first optical fiber. The first optical fiber is optically aligned with the first light guide and the first optical lens. The second optical fiber connector includes a second light guide, a second light source, a second photoelectric conversion element, a second optical lens, and a second optical fiber. The second optical fiber connector defines a passage receiving the second optical lens. The second optical fiber is optically aligned with the second light guide and the second optical lens. The first and second optical lenses are aligned with each other when the plug is received in the passage.

Abstract: An optical fiber connector includes optical fibers, a connector body, and a cover. The connector body includes optical lenses arranged at the first side surface. The connector body defines receiving grooves. Each of the receiving grooves has a V-shaped section and two slanted surfaces. The optical fibers are received in the grooves and as a result are correctly aligned with the respective optical lenses. The cover and the slanted surfaces of the receiving grooves cooperatively securely retain the optical fibers in the connector.

Abstract: A blind hole insert fixing device is configured for fixing a number of blind hole inserts. The blind hole insert fixing device includes a hollow housing defining a cavity and an engagement member received in the cavity. The housing includes a first inner surface and an opposing second inner surface in the cavity. The engagement member includes a body portion, a number of spring portions, and a number of engagement portions conforming to the blind hole inserts. The spring portions and the engagement portions are located at opposite sides of the body portion. The spring portions abut against the first inner surface. The engagement portions and the second inner surface cooperatively form a number of receiving spaces for receiving the blind hole inserts. The spring portions are configured for applying a force to the body portion in a direction away from the first inner surface.

Abstract: An optical fiber connector includes a connector hold, an optical fiber connector body, an elastic member, and a number of optical fibers. The connector hold defines a receiving recess and a position slot in communication with the receiving recess. The optical fiber connector body is engaged in the receiving recess of the connector hold. The optical fiber connector body includes a positioning post corresponding to and received in the position slot. The optical fibers pass through the connector hold and are attached to the optical fiber connector body. The connector hold includes a slide block received in the position slot, one end surface of the slide block contacts the elastic member, and the other end of the slide block is engaged with a distal end of the positioning post. The slide block is sized and shaped conforming to the position slot.

Abstract: An optoelectronic transmission system includes a light guide module, an optical signal source, an optical fiber, and a light detector. The light guide module includes a light guide body, and a lens formed on the light guide body. The optical signal source emits output optical signals towards the light guide body. The light guide body reflects and directs the output optical signals towards the lens. The optical fiber includes a first end and an opposing second end. The optical fiber transmits the output optical signals from the first end to the second end, and transmits input optical signals from the second end to the first end. The light guide body transmits the input optical signal therethrough. The light detector is positioned at an opposite side of the light guide module to the optical fiber. The light detector receives and converts the input optical signals into electrical signals.

Abstract: An optical fiber connector includes a body and a photoelectric conversion module received in the body. The photoelectric conversion module includes a base, a light emitting unit, a light receiving unit, and a light coupling block. The light emitting unit and the light receiving unit are fixed on the base. The light coupling blocks are formed on the base and are arranged over the light emitting unit and the light receiving unit. The light emitting unit is configured for emitting light to the light coupling block in a first direction. The light coupling block is configured for reflecting the light from the light emitting unit to a second direction perpendicular to the first direction. The light receiving unit is configured for receiving light emitting from the light coupling block in a direction opposite to the first direction.

Abstract: An optical fiber connector includes optical fibers, a connector body, two first glue layers, and two second glue layers. The optical fibers are received in grooves and aligned with optical lenses formed on the connector body. The first and second glue layers fill in the recesses to hold the main portion and the front portion of the optical fibers securely in place.

Abstract: An optical fiber coupler includes a receiving interface and two lenses. The receiving interface is configured for matching and connecting to an external optical fiber of a particular diameter within a range of 62.5 ?m to 100 ?m, and for receiving optical signals from the external optical fiber. The two lenses are configured for coupling the received optical signals. A distance between the two lenses falls within a range from 0.5 mm to 0.95 mm. A curvature radius of each of the two lenses falls within a range from 0.3579 mm to 0.3898 mm.

Abstract: An optical fiber communication apparatus includes a laser diode, a light guiding member, and an optical fiber. The laser diode emits a laser beam along a first direction. The light guiding member includes a first aspheric converging lens portion and a reflecting surface. The converging lens portion is optically aligned with the laser diode, and converges the laser beam. The reflecting surface obliquely oriented at ? degrees relative to the first direction, and the ? degrees rendering the converged laser beam totally internal reflecting toward. The index of the light guiding member is in a rang from 1.415 to 1.5 or from 1.65 to 1.7, and 37.32° ?<45° or 45°<?56.3°. The optical fiber is oriented along a second direction receives the reflected converged laser beam, and the second direction substantially perpendicular to the first direction.

Abstract: An exemplary optical fiber coupling assembly includes a first optical connector, a second optical connector, and a coupling lens. The first optical connector is configured for receiving a first optical fiber. The second optical connector is configured for receiving a second optical fiber. The coupling lens is positioned in the second optical connector. The coupling lens includes a first optical portion and a second optical portion integrally formed with the first optical portion. The coupling lens is configured for transmitting optical signals between the first optical fiber and the second optical fiber through the first optical portion and the second optical portion.

Abstract: An exemplary optical fiber connector includes a housing, and two lenses. The housing defines two first blind holes each configured for receiving an optical fiber. The two lenses are formed on the housing and each of the lenses is aligned with a corresponding first blind hole. The two second blind holes are defined on the housing and each of the second blind hole run through the housing to the bottom of a corresponding first blind hole allowing glue to accumulate on the bottom of the first blind hole.

Abstract: An exemplary light guide plate includes an light incident surface, an light emitting surface, a number of parallel V-shaped structures, and a Fresnel lens portion. The light incident surface is configured for receiving light beams. The light emitting surface is adjacent to the light incident surface, and configured for emission of the light beams. The V-shaped grooves are defined in the light incident surface and arranged perpendicular to the light emitting surface. The Fresnel lens portion is provided on the light incident surface between each two neighboring V-shaped grooves.

Abstract: A light ray concentration device includes a concentrating lens and a base for holding the concentrating lens. The concentrating lens includes a planar surface defining a number of first Fresnel zones and a convex surface facing away from the planar surface and defining a number of second Fresnel zones. The first and second Fresnel zones are coaxial with each other.

Abstract: A contact image sensor module includes an image sensor, a lens unit arranged over the image sensor, a glass plate arranged over the lens unit, and a light source. The lens unit includes a plurality of rod lenses. The glass plate is wedge-shaped and elongated. The glass plate includes a first light interface being rectangular and elongated, and a second light interface and an incident face respectively extending from two opposite longer sides of the first light interface. The incident face faces the light source. The first light interface is substantially perpendicular to the rod lenses. The second light interface is below the first light interface and faces top sides of the rod lenses. Light of the light source is first directed by the glass plate to the document, then reflected by the document to the lens unit via the glass plate and finally reaching the image sensor.

Abstract: A mold for molding optical fiber connector includes a core pin, a cavity mold and a sprue hole defined on the sidewall of the cavity mold. The core pin is used to mold the blind hole of the optical fiber connector. The cavity mold and the core mold cooperatively define a molding cavity for forming the optical fiber connector. A support block is configured in the molding cavity. The molding cavity includes a lens forming portion used to mold the lens and the support block configures a cutout to support the blind hole forming portion to make the blind hole forming portion align with the lens forming portion during the molding process, the opening of the cutout is towards the sprue hole.

Abstract: A solar power generator includes a number of solar cell units, a shaft and a connector assembly. Each of the solar cell units has a housing defining a through hole at one end and an opening in an upper surface thereof. A number of solar panels are received in the opening. The shaft passes through each through hole thereby aligning the solar cell units in a manner that one stacked on another. Each of the solar cell units is capable of rotating around the shaft. The connector assembly is electrically coupled to the solar panel for providing electrical energy to a power consuming device.

Abstract: An optical fiber connector includes a connector body, a number of optical lenses, and two receiving holes. The connector body includes a first end face. The optical lenses are arranged at the first end face. The receiving holes are defined in the first end face. The optical lenses are located between the receiving holes. The connector body includes a partially conical inner side surface, a first flat inner side surface, and a second flat inner side surface in each receiving hole. The partially conical inner side surface, the first flat inner side surface, and the second flat inner side surface adjoins each other.

Abstract: An optical fiber communication apparatus includes a laser diode, a light directing member, and an optical fiber. The laser diode is configured for emitting a laser beam along a first direction. The light directing member includes a converging lens portion and a reflecting surface. The converging lens portion is optically aligned with the laser diode and configured for converging the laser beam. The reflecting surface is obliquely oriented relative to a second direction and configured for reflecting the converged laser beam toward. The second direction is perpendicular to the first direction. The optical fiber is oriented along the second direction and configured for receiving the reflected converged laser beam.

Abstract: An optical fiber connector includes a connector body and a lens block. The connector body defines a number of blind holes and a receiving room. The blind holes opens towards a first side of the connector body. The receiving room opens towards an opposing second side of the connector body The lens block includes a body portion and a number of protruding portions extending from a first side of the body portion. The lens block is received in the receiving room. The protruding portions are positioned between the body portion and the blind holes. The protruding portions are aligned with the respective blind holes. The body portion has a flat second side face free of protruding portions thereon, at an opposite side thereof to the protruding portions.

Abstract: An optical fiber hub includes an upstream port for receiving a light signal from a upstream host, a light splitting element, N downstream ports, and a light converging element. The light splitting element is configured for splitting the light signal into N light beams. The N downstream ports are optically communicated with the light splitting element, and each of the downstream ports is used for receiving a corresponding one of the light beams and transmitting the corresponding light beam to a corresponding downstream peripheral, and receiving a light signal from the corresponding downstream peripheral, wherein N is an integer which is equal to or greater than 2. The light converging element is used for converging light signals from the N downstream ports and transmitting the converged light signals to the upstream port.