Abstract: An optical lens includes an array of lens units. Each lens unit includes a main body, a light diverging portion and a light converging portion. The main body includes a light incident surface and a light emitting surface opposite to the light incident surface. The light diverging portion is configured for expanding a light field along a first direction, and the light converging portion is configured for compressing a light field along a second direction. The light diverging portion and the light converging portion are both formed on one of the light incident surface and the light emitting surface.

Abstract: An exemplary camera device includes an optical lens module, an image sensor and a light emitting module. The optical lens module is for forming an image of an object on an image plane associated therewith. The image sensor is disposed on the image plane of the optical lens module and for capturing the image formed by the optical lens module. The light emitting module includes a transflective optical element and a light emitting element. The transflective optical element is located between the optical lens module and the image sensor. The light emitting element faces towards the transflective optical element.

Abstract: An exemplary aperture apparatus includes a transparent substrate, a number of EAP sheets supported by the substrate and spaced apart from each other, a first electrode, a second electrode and an aperture sheet. Each of the EAP members includes a fixed first end and an opposite second end movable relative to the substrate. The first electrode and the second electrode contact the first surface at the first end of each of the EAP members. The aperture sheet is made of black rubber and is positioned on the second surface of the EAP members. The second ends of the EAP members are fixed to inner wall of the aperture sheet. The EAP members are deformable in response to a voltage applied between the first and second electrodes so as to vary the size of the aperture.

Abstract: An exemplary method for making a backside illumination image sensor includes the follow steps. A substrate having a top surface is firstly provided. Secondly, many recesses are formed in the top surface. Thirdly, a light pervious layer is applied on the top surface. The light pervious layer has a plurality of filling portions received in the recesses. Then, an epitaxial silicon layer is applied on the light pervious layer. Next, many light sensitive regions and circuits are formed on the epitaxial silicon layer. Finally, the substrate is etched to expose the filling portions of the light pervious layer, thereby forming the backside illumination image sensor with the filling portions functioning as micro-lenses.

Abstract: A photocatalysis testing device includes a reaction chamber, a light source, and a spectrophotometer. Reactants including a methylene blue (MB) solution and a photocatalyst can be added to the reaction chamber and illuminated by the light source. Color vanishing rate of the MB solution can be measured by the spectrophotometer. Further, the photocatalysis testing device also includes a light-tight chamber and a temperature stabilizer. The reaction chamber and the light source are received in the light-tight chamber to avoid ambient light effecting on the photocatalysis test. The spectrophotometer is positioned outside the light-tight chamber and optically coupled to the reaction chamber. The temperature stabilizer is configured for stabilizing temperature of the MB solution.

Abstract: The present invention provides a method for blocking the dislocation propagation of a semiconductor. A semiconductor layer is formed by epitaxial process on a substrate. A plurality of recesses is formed on the semiconductor layer by etching fragile locations of the semiconductor layer where dislocation occurs. Thereafter, a blocking layer is formed on each of the plurality of recesses. The aforesaid semiconductor layer undergoes epitaxial process again on the aforesaid semiconductor layer, and laterally overgrows to redirect the dislocation defects.

Abstract: An exemplary lens module includes a barrel and a plurality of deformable lenses received in the barrel. The barrel includes an inner wall. The inner wall has a plurality of circular retaining portions. The plurality of deformable lenses is deformed and retained in the plurality of circular retaining portions. Diameters of the lenses are greater than an inner diameter of the barrel. The lenses each has a curved surface.

Abstract: A notebook computer include a base unit having a pivot end, a display unit piovtably attached to the pivot end of the base unit, and two support stands attached to the base unit near the pivot end. The base unit includes a top surface defining a recessed portion and two side surfaces. Each of the support stands includes a first supporting element slidable along the recessed portion includes a first and second boards. A first pivot post is formed on the first board to be slidably received in a first sliding slot defined in a first sidewall of the recessed portion, and pivotable when the first pivot post reaches an end of the recessed portion near the corresponding side surface, the first board pivotable to a position that is substantially perpendicular to a plane to seat the second board on a plane thereby tilting the base unit on the plane.

Abstract: An exemplary lens module includes a barrel, a holder receiving the barrel therein, and lenses received in the barrel. The barrel includes a circular peripheral barrel wall. An inner diameter and an outer diameter of the barrel both gradually increase from an object side to an imaging side. The holder includes a peripheral holder wall. An inner diameter of the holder gradually increases from the object side to the imaging side. The peripheral barrel wall is engaged with the peripheral holder wall. Diameters of the lenses gradually increase from the object side to the imaging side.

Abstract: A computer enclosure includes a main body defining a holding space in an upper end of the main body and an input/output (I/O) interface apparatus. One part of the I/O interface apparatus is inserted into the holding space of the main body and the other part of the I/O interface apparatus is exposed out of the holding space of the main body. A plurality of I/O interfaces is mounted on an upper side of the other part of the I/O interface apparatus.

Abstract: A lens module used in a portable electronic device, including a barrel with two ends, and a first lens and a second lens received in the barrel. A third lens is positioned proximal to one end of the barrel, which has a fastening member and an engaging member, wherein the engaging member is accommodated with the fastening member to compactly couple the third lens with the end of the barrel. The third lens is fastened on the one end of the barrel to reduce the overall volume of the lens module.

Abstract: A camera module includes a first lens assembly, a second lens assembly, an image sensor module, a first driving device and a second driving device. The first lens assembly is positioned on an optical axis of the camera module. The second lens assembly is coaxially aligned with the first lens assembly and movable along the optical axis. The image sensor module includes a first image sensor and a second image sensor at opposite sides thereof. The first driving device is for driving the second lens assembly to move backward and forward along the optical axis. The second driving device is for driving the image sensor module to move down and up along directions nonparallel to the optical axis.

Abstract: An entropy decoding device offers all nodes on a decoding tree, and a most probable symbol for each node, and predicts presumptive information of a next node. The entropy decoding device decodes an encoded bit stream, and output a decoded content that includes real information of the next node. The entropy decoding device further generates a flush instruction to the table look-up module, when the prediction misses, and updates the most probable symbol.

Abstract: An exemplary measuring apparatus includes a base, a table, a light blocking piece, a sensor, a luminance meter, a drive assembly, and a controller. The table defines a first elongated slot. A light guide plate is arranged on the table with a central portion of a bottom surface thereof exposed to the first elongated slot. The light blocking piece is attached to the central portion of the bottom surface and exposed to the first elongated slot. The sensor is configured for sensing light and generating a sensing signal. The luminance meter is configured for measuring luminance of the back-light source module. The drive assembly is configured for moving the table to align the light blocking piece with the sensor. The controller is configured for switching off the drive assembly when the light is blocked by the light blocking piece from reaching the sensor.

Abstract: A heat sink device mounted on a circuit board including an electronic component includes a heat sink to dissipate heat generated by the electronic component and a shielding member electrically connecting the circuit board and the heat sink to prevent the electronic component from electromagnetic interference (EMI). The heat sink includes a base, a plurality of heat fins extending upwardly from the base, and a plurality of receiving grooves defined in the base. The plurality of receiving grooves are arranged in rows around the plurality of heat fins. The shielding member includes a plurality of contact plates abutting against the circuit board and a plurality of receiving plates received in the plurality of receiving grooves.

Abstract: A test equipment to test power over Ethernet (PoE) function of an Ethernet device comprises a first connector, a second connector, a data signal transmission circuit, a first polarity determination circuit, a second polarity determination circuit and a notification circuit. The first connector receives and transmits data signals and power signals transmitted by the Ethernet device. The data signal transmission circuit transmits the data signals to the second connector and outputs the power signals. The first and second polarity determination circuits receive and output the power signals to the notification circuit. The notification circuit receives the power signals and consequently generates a notice to indicate the PoE function of the Ethernet device is normal.

Abstract: A moveable assembly includes a frame, resilient suspension arms made of carbon nanotube bundles, and a moveable member. The frame is disposed around the moveable member. Each of the resilient suspension arms includes a first end fixed to the frame, and a second end connected to the moveable member. The resilient suspension arms are centro-symmetrically arranged relative to the moveable member such that the moveable member is capable of stably moving along a predetermined direction driven by an external force.

Abstract: A power-on reset circuit, connected to an external direct current (DC) power source, to receive DC power signals and generate a reset signal, includes a delay circuit, a combination circuit and a shaping circuit. The delay circuit comprises a plurality of delay units, to delay the received DC power signals and output a plurality of delayed DC power signals. The combination circuit is connected to the delay circuit, to combine the delayed DC power signals into a combination signal, and output the combination signal. The shaping circuit is connected to and turns the combination circuit on and off according to the combination signal and outputs the reset signal.

Abstract: A lens module includes a lens barrel, a lens holder, and an extension member. The lens barrel is received in the lens holder. The lens holder includes at least one first guiding portion. The extension member defines a receiving through hole and includes at least one second guiding portion corresponding to the at least one first guiding portion. The lens holder is fixedly received in the receiving through hole by engagement between the at least one first guiding portion and the at least one second guiding portion.

Abstract: A mold for use in an injection molding process includes a molding plate, a molding block and a plurality of mold cores. The molding plate defines a receiving cavity, a plurality of through holes and a plurality of elongate gates. The through holes surround the receiving cavity, and each of the elongate gates communicates with the receiving cavity and the corresponding through hole. The molding block is detectably received in the receiving cavity. The molding block defines a cold slug well and a plurality of runners. Each runner communicates with the cold slug well and the corresponding elongate gate. Each mold core is received in the corresponding through hole.