Abstract: A backlight module including a substrate, a light source, a porous optical film, and a wavelength conversion optical layer is provided. The light source is located on the substrate. The porous optical film is disposed over the light source and has a plurality of emission structures, and the porous optical film distributes light generated by the light source to be emitted through the emission structures located at different positions of the porous optical film. The porous optical film has a central region and a peripheral region surrounding the central region, the central region is disposed corresponding to the light source, and an area of the central portion is A. The wavelength conversion optical layer is located between the light source and the porous optical film, and a vertical projection area of the wavelength conversion optical film is B, where 0.49?A/B?5.

Abstract: A backlight module including a carrier plate, a plurality of light sources, at least one low reflective portion, and a modulation film is provided. The carrier plate has a carrier surface carrying the light sources while the low reflective portion is disposed on the carrier surface between an outer light source and a side edge of the carrier plate. The reflectance of the low reflective portion is less than that of the carrier surface. The modulation film is disposed above the light sources while the low reflective portion has a projection area on the modulation film. The projection area has a lower normalized transmission ratio comparing to adjacent areas along an extending direction of the side edge of the carrier plate.

Abstract: A backlight module including a substrate, a light source, a porous optical film, and a wavelength conversion optical layer is provided. The light source is located on the substrate. The porous optical film is disposed over the light source and has a plurality of emission structures, and the porous optical film distributes light generated by the light source to be emitted through the emission structures located at different positions of the porous optical film. The porous optical film has a central region and a peripheral region surrounding the central region, the central region is disposed corresponding to the light source, and an area of the central portion is A. The wavelength conversion optical layer is located between the light source and the porous optical film, and a vertical projection area of the wavelength conversion optical film is B, where 0.49?A/B?5.

Abstract: An armrest structure for a railing contains: at least one upright post, a handrail mounted on the at least one upright post, and multiple first connectors. Each first connector is defined between each of the at least one upright post and the handrail, said each first connector includes a first connection part and a second connection part, a first end of the first connection part couples with said each upright post, and the first connection part has a first connecting portion extending outwardly from a second end of the first connection part, the second connection part is locked on a bottom of the handrail and has two second connecting portions configured to rotatably connect with the first connecting portion of the first connection part.

Abstract: The present invention provides a backlight module, comprising a light source module and an optical control layer disposed on the light source module. The optical control layer comprises a first optical film and a second optical film. The first optical film has a first overlap area on a first side, the first overlap area comprises first inner openings; the second optical film comprises a second overlap area near the first overlap area. The second overlap area matches the first overlap area. The second overlap area comprises second outer openings corresponding to the first inner openings.

Abstract: The present invention provides a backlight module, comprising a light source module and an optical control layer disposed on the light source module. The optical control layer comprises a first optical film and a second optical film. The first optical film has a first overlap area on a first side, the first overlap area comprises first inner openings; the second optical film comprises a second overlap area near the first overlap area. The second overlap area matches the first overlap area. The second overlap area comprises second outer openings corresponding to the first inner openings.

Abstract: A backlight module including a carrier plate, a plurality of light sources, at least one low reflective portion, and a modulation film is provided. The carrier plate has a carrier surface carrying the light sources while the low reflective portion is disposed on the carrier surface between an outer light source and a side edge of the carrier plate. The reflectance of the low reflective portion is less than that of the carrier surface. The modulation film is disposed above the light sources while the low reflective portion has a projection area on the modulation film. The projection area has a lower normalized transmission ratio comparing to adjacent areas along an extending direction of the side edge of the carrier plate.

Abstract: A wheel cover for a front wheel of a truck includes a main body, a central cap, at least two washers, multiple bolt caps, and an insulation plate. The main body defines a central hole and multiple recesses. The insulation plate, which defines a central hole and multiple through holes, is located between the main body and a rim of a front wheel, such that the recesses of the main body and the through holes of the insulation plate are aligned to receive bolts and nuts provided for the rim of the front wheel. The two washers are fitted into two of the recesses of the main body, around the corresponding bolts, and fixed by the corresponding nuts, so that the main body is assembled to the front wheel. The bolt caps can be respectively fitted into the recesses of the main body to cover the bolts and the nuts.

Abstract: A protection mask includes a frame having two slits in two ends thereof and a tongue is located in each slit. Two temples extend backward from the two ends of the frame. A connection rod is located at the middle portion of the frame. A connector is connected to the connection rod and has a C-clip which has a notch. A protrusion extends from the connector and has a groove defined in the outside thereof. A nose pad is connected to the connection rod and has a snapping portion which is engaged with the notch of the connector. The snapping portion has a snapping slot. A protection member has an insertion slot with which the protrusion of the connector is engaged. Two connection slots are respectively defined in two ends of the protection member. The two tongues are engaged with the two connection slots.

Abstract: A wheel cover for a front wheel of a truck includes a body, a hub cap, at least two washers, multiple bolt caps and an insulation plate. The hub cap is located in the central hole of the body which has multiple recesses evenly defined therein. Each recess has a through hole defined through the inner end thereof. Each recess has a resilient boss and a positioning hole located at the inside thereof. The at least two washers are located in the two of the recesses of the body and each have a notch and an engaging member. The bolt caps are respectively located in the recesses of the body and each bolt cap has multiple ridges extending from the inside of the space of each bolt cap. The insulation plate is located at the inside of the body.

Abstract: A wheel cover for a rear wheel of a truck includes a body, a hub cap and multiple bolt caps. The body has multiple recesses defined therein and each recess has a through hole defined through the inner end thereof Each recess has a resilient protrusion on the inside thereof The hub cap is mounted to the passage of the body. The bolt caps are respectively located in the recesses of the body and each bolt cap has multiple engaging recesses defined in outside thereof The resilient protrusions of the body are engaged with the engaging recesses to fix the bolt caps in the recesses of the body.

Abstract: A stationery machine is used to cut various patterns on a paper and contains a housing for covering a machine body; the machine body including a frame with a first side plate and a second side plate, the first side plate and the second side plate having a first elongated slot and a second elongated slot on two lower sides thereof; a first pressing roller having a first rotary shaft driven by a crank set and at least two transmission gears in different sizes; a second pressing roller having a second rotary shaft, the second rotary shaft of the second pressing roller having a driven gear; an abutting mechanism biasing the second pressing roller to move upwardly and downwardly so as to adjust a distance between the second pressing roller and the first pressing roller, and the driven gear meshing with the at least two transmission gears.

Abstract: A stationery machine is used to cut various patterns on a paper and contains a housing for covering a machine body; the machine body including a frame with a first side plate and a second side plate, the first side plate and the second side plate having a first elongated slot and a second elongated slot on two lower sides thereof; a first pressing roller having a first rotary shaft driven by a crank set and at least two transmission gears in different sizes; a second pressing roller having a second rotary shaft, the second rotary shaft of the second pressing roller having a driven gear; an abutting mechanism biasing the second pressing roller to move upwardly and downwardly so as to adjust a distance between the second pressing roller and the first pressing roller, and the driven gear meshing with the at least two transmission gears.

Abstract: The invention relates to an illuminating device of an automobile's tailgate handle. The illuminating device is installed in a groove formed in a tailgate handle, including a circuit board and a transparent covering. A through hole is bored in the groove. The circuit board is provided with plural LEDs and an electric wire connected with a control wire of an automobile's headlight. The transparent covering is put on the groove of the handle. Therefore, the LEDs in the handle can be lit as night warning signal if a car's headlight is turned on, as a turning signal a turning signal is turned on, or as a brake signal the brake is treaded on.

Abstract: A flagpole lamp includes a pole, a socket joint, a circuit board, a positioning base, a waterproof washer, a lucent bar and a pole head. The circuit board, the positioning base and the waterproof washer are fitted in the socket joint. The circuit board has a light disposed through in the positioning base and the waterproof washer respectively. The lucent bar is coupled to the socket joint at one end, and the pole head put at the opposite end. The light of the circuit board can be lit up to emit light out of the lucent bar to enable a driver to clearly see the head corners and the position of the vehicle.

Abstract: An illuminating device installed on a truck's wheels includes a hubcap having a positioning base and at least one fixing base. The positioning base is provided with a chamber and two notches formed in its one side wall. The fixing base has a recess, a through hole bored in the recess to communicate with an outside of the hubcap, and two recessed slot. A generator is fixed at an inside center of the hubcap, provided with two conducting blades extending into the chamber of the positioning base. At least a light is fitted in the through hole of the hubcap and connected with the conducting blades by conducting lines. By means of rotation or vibration of the wheels, the generator can create electromotive force to supply the light with power to make rotary brilliant brightness so as to achieve a warning effect for traffic security.

Abstract: An illuminating device installed on a truck's wheels includes a hubcap having a positioning base and at least one fixing base. The positioning base is provided with a chamber and two notches formed in its one side wall. The fixing base has a recess, a through hole bored in the recess to communicate with an outside of the hubcap, and two recessed slot. A generator is fixed at an inside center of the hubcap, provided with two conducting blades extending into the chamber of the positioning base. At least a light is fitted in the through hole of the hubcap and connected with the conducting blades by conducting lines. By means of rotation or vibration of the wheels, the generator can create electromotive force to supply the light with power to make rotary brilliant brightness so as to achieve a warning effect for traffic security.

Abstract: A truck wheel central cover includes a main body provided with plural projecting holders spaced apart equidistantly and respectively formed inside with a recessed chamber disposed with an annular base at its lower side. Each annular base is cut with plural notches, and has its interior fixed with plural resisting members and its inner side formed with an engage edge. Plural coupling members are respectively received in the annular bases of the main body, respectively having a hexagonal accommodating chamber with an insert hole communicating with the outside and having projecting members respectively fixed at its inner end corners. Each coupling member is cut with plural notches, having its outer wall bored with an annular engage groove. By mutual engagement, the central cover can conveniently and quickly be assembled on a truck wheel rim.