Abstract: The disclosure provides a limit device and a robot using the same. The limit device comprises a first connecting member, a transmission rod and a second connecting member. The first connecting member comprising a first main body portion and two first connecting elements. The two first connecting elements are arranged at intervals. The two first connecting elements are respectively connected to the first main body. The transmission rod comprising a first end and a second end. The first end and the second end are arranged at intervals. The first end penetrates through one of the two first connecting elements. The second end penetrates through the other one of the two first connecting element. The second connecting member provided with two indexing buckles. The two indexing buckles are arranged at intervals, each of the indexing buckles comprises a first limiting groove and a second limiting groove.

Abstract: A hub is electrically connected with an electronic device, an AC source, and at least one portable device which are located in the outside environment. The electronic device includes a USB port. The hub includes a first connector, a second connector, a third connector, a controller, and a power module. The first connector is electrically connected with the USB port of the electronic device. The first connector includes a first data transmission line and a first power line. The third connector is electrically connected with the AC source. The controller is electrically connected between the first data transmission line and a second data transmission line. The controller and the portable device transmit data to each other. The controller sends a signal to the portable device, enabling the portable device to start a quick charge mode. The power module is electrically connected with the first connector, the second connector, and the third connector.

Abstract: The present disclosure illustrates a power converter electrically connected between an external power supply and an electronic device. The electronic device has a first power-inputted terminal. The power converter includes a capacitor, a switch and an inrush-current-limit circuit. The capacitor is electrically connected to the external power supply. The switch has an input terminal electrically connected to an output terminal of the capacitor, and an output terminal electrically connected to the first power-inputted terminal A first voltage detector has an output terminal electrically connected to the switch and configured to detect an output voltage of the capacitor. When the first voltage detector detects that an input voltage of the switch is higher than a first preset voltage, the switch is set in a conductive status.

Abstract: A hub is electrically connected with an electronic device, an AC source, and at least one portable device which are located in the outside environment. The electronic device includes a USB port. The hub includes a first connector, a second connector, a third connector, a controller, and a power module. The first connector is electrically connected with the USB port of the electronic device. The first connector includes a first data transmission line and a first power line. The third connector is electrically connected with the AC source. The controller is electrically connected between the first data transmission line and a second data transmission line. The controller and the portable device transmit data to each other. The controller sends a signal to the portable device, enabling the portable device to start a quick charge mode. The power module is electrically connected with the first connector, the second connector, and the third connector.

Abstract: A switching power supply is provided and connected between external voltage source and a device having high peak current characteristic, the switching power supply comprises boost converter, control circuit and energy storing element. An input end of boost converter is connected to external voltage source, and output end of boost converter is electrically connected to the device. A control circuit is connected to boost converter in parallel. A first predetermined voltage value and a predetermined current value is set in control circuit. When output current of external voltage source is larger than predetermined current value or output voltage of external voltage source is lower than first predetermined voltage value, output voltage of boost converter is reduced to be lower than the voltage of energy storing element by control circuit.

Abstract: The present disclosure illustrates a power converter electrically connected between an external power supply and an electronic device. The electronic device has a first power-inputted terminal. The power converter includes a capacitor, a switch and an inrush-current-limit circuit. The capacitor is electrically connected to the external power supply. The switch has an input terminal electrically connected to an output terminal of the capacitor, and an output terminal electrically connected to the first power-inputted terminal A first voltage detector has an output terminal electrically connected to the switch and configured to detect an output voltage of the capacitor. When the first voltage detector detects that an input voltage of the switch is higher than a first preset voltage, the switch is set in a conductive status.

Abstract: A display apparatus includes a display panel, a display driving module, a backlight module, and a backlight driving module. The backlight module includes a plurality of illumination units. The backlight driving module includes a driving circuit, a plurality of switch units, and a plurality of detecting units. Each of the switch units connects to exactly one of the illumination units, and each of the detecting units connects to exactly one of the illumination units and two of the illumination units simultaneously. When the illumination unit connected to the switch unit corresponding to the detecting unit is damaged, the detecting unit controls the connected switch unit to be turned off for cutting off an electrical connection between the driving circuit and the illumination unit corresponding to the connected switch unit, and the remaining illumination units continue to emit light.

Abstract: A hub electrically connected to an electronic equipment and at least a portable device located in external environment is provided. The hub includes a first connector, at least a second connector, a controller, and a first DC/DC converter. The first connector is electrically connected to the electronic equipment, the second connector is electrically connected to the portable device. The controller is electrically connected between the first connector and the second connector, and the controller has a data transmission between the portable devices and the electronic equipment mutually. In addition, a signal is transmitted to the portable devices suitably by the controller so that the portable device being with rapid charge mode.

Abstract: A display apparatus includes a display panel, a display driving module, a backlight module, and a backlight driving module. The backlight module includes a plurality of illumination units. The backlight driving module includes a driving circuit, a plurality of switch units, and a plurality of detecting units. Each of the switch units connects to exactly one of the illumination units, and each of the detecting units connects to exactly one of the illumination units and two of the illumination units simultaneously. When the illumination unit connected to the switch unit corresponding to the detecting unit is damaged, the detecting unit controls the connected switch unit to be turned off for cutting off an electrical connection between the driving circuit and the illumination unit corresponding to the connected switch unit, and the remaining illumination units continue to emit light.

Abstract: The present invention provides a manufacturing method and an apparatus for an optical sheet placed in a backlight assembly. The optical sheet produced by the manufacturing method and apparatus has pluralities of first microstructures on the surface of the optical sheet. The optical sheet is mainly made of cured photo resin, for instance: ultraviolet glue. The optical sheet has higher performance and lower cost. Furthermore, the manufacturing method and the apparatus can produce the optical sheet more efficiently.

Abstract: An optical sheet with better brightness-enhancing effectiveness includes a substrate and pluralities of microstructures disposed on the substrate. The microstructures are spaced from one another at a distance d. The cross-section of the microstructure is formed in a triangle which has a base length D. Distance d and base length D satisfy the following equation: 0<d/(d+D)?0.61.

Abstract: The invention provides a diffusion plate and a backlight module. The backlight module includes pluralities of light sources, a reflector and a first diffusion plate. The light sources, which are disposed in the reflector, are spatially arranged. The first diffusion plate is disposed on the light sources. There are pluralities of bar-shaped first patterns and second patters, which are arranged in the alternating way, disposed on the emission surface of the first diffusion plate. The contours of first patterns and second patterns are arc shaped. The height of first patterns is H1, and the width is W1. The height of second patterns is H2, and the width is W2. The value of H1/W1 is between 0.4 and 1. The ratio of H2/W2 versus H1/W1 is between 0.6 and 0.9.

Abstract: An optical film capable of delivering high level of brightness including a surface of an incident plane of the optical film constructed with multiple light penetration areas segregated by multiple reflection microstructures each provided with a groove; each groove is covered up with a reflective material; and when the optical film is applied in a backlight module, all streams of light entering into the optical film are effectively centered on those light penetration areas constructed on the optical film for further irradiation out of the optical film.

Abstract: A backlight includes a case, pluralities of light sources, pluralities of needles, pluralities of supporting portions, a first optical sheet, a second optical sheet, and pluralities of first microstructures. The light sources are disposed inside the case, the needles are disposed on the bottom surface of the case, and the supporting portions are disposed on the needles. The first optical sheet is supported on the top of the needles. The second optical sheet placed under the first optical sheet has pluralities of holes, and the needles penetrate the holes. The second optical sheet is supported on the supporting portions. The first microstructures are disposed on the first optical sheet or on the second optical sheet to provide a light condensing function.

Abstract: The present invention provides an optical sheet placed in a backlight assembly and the manufacturing method therefor. There are pluralities of first microstructures on the surface of the optical sheet. The optical sheet is mainly made of cured photo resin, for instance: ultraviolet glue. The optical sheet has higher performance and lower cost.

Abstract: A solar cell is provided. The solar cell defines a receiving room in where at least a cell unit is located. A transparent cover plate is placed over the cell unit. In addition, the transparent cover plate includes a base plate and a structured plate which are adhered to each other. Wherein, the base plate is made from inflexible material and the structured plate is made from a photo resin. Moreover, there are pluralities of convex first patterns disposed on the incident surface of the structured plate.

Abstract: The invention provides a diffusion plate and a backlight module. The backlight module includes pluralities of light sources, a reflector and a first diffusion plate. The light sources, which are disposed in the reflector, are spatially arranged. The first diffusion plate is disposed on the light sources. There are pluralities of bar-shaped first patterns and second patters, which are arranged in the alternating way, disposed on the emission surface of the first diffusion plate. The contours of first patterns and second patterns are arc shaped. The height of first patterns is H1, and the width is W1. The height of second patterns is H2, and the width is W2. The value of H1/W1 is between 0.4 and 1. The ratio of H2/W2 versus H1/W1 is between 0.6 and 0.9.

Abstract: A diffusion-plates assembly and a direct-type backlight module assembly are provided. The diffusion-plates assembly includes a first diffusion plate and a second diffusion plate. There are pluralities of first microstructures on the emergent surface of the first diffusion plate, the first microstructures is for condensing light. The thickness of the first diffusion plate is above 0.4 mm, and the transmittance of the first diffusion plate is above 90%. The second diffusion plate is placed over or under the first diffusion plate, The thickness of the second diffusion plate is above 0.4 mm, and the transmittance of the second diffusion plate is 50˜90. Said diffusion-plates assembly is used in the direct-type backlight module assembly.

Abstract: An backlight is provided, the backlight includes a case, pluralities of light sources, pluralities of needles, pluralities of supporting portions, a first optical sheet, a second optical sheet, and pluralities of first microstructures. The light sources are disposed inside the case, the needles are disposed on the bottom surface of the case, and the supporting portions are disposed on the needles. The first optical sheet is supported on the top of the needles. The second optical sheet placed under the first optical sheet has pluralities of holes, and the needles penetrate the holes. The second optical sheet is supported on the supporting portions. The first microstructures are disposed on the first optical sheet or on the second optical sheet to provide light condensing function.

Abstract: An optical sheet with better brightness-enhancing effectiveness is provided. The optical sheet includes a substrate and pluralities of microstructures disposed on the substrate. The microstructures are spaced from one another at a distance d. The cross-section of the microstructure is formed in a triangle which has a base length D. Wherein d and D satisfy the following equation: 0<d/(d+D)0.61.