Abstract: A collaboration system and a collaboration method are provided. The collaboration system includes a first display device and a second display device. The first display device includes a first screen. The first screen displays a first display interface. The first display interface has a first display window and a first function key. The first display window displays a first frame. The second display device includes a second display screen. The second display screen displays a second display interface. The second display interface has a second display window. The second display window displays a second frame. When the first function key is turned on, the first frame moves along with the second frame. When the first function key is turned off, the first frame does not follow the movement of the second frame.

Abstract: A learning system and an execution method thereof are provided. The execution method includes: displaying an option object through a graphical user interface of a display device, wherein the option object includes at least one option, and the at least one option is associated with course information; in response to one of the at least one option being selected, the graphical user interface displaying a user image and a virtual object; in response to the virtual object being triggered, the graphical user interface displaying a function window, and the function window at least partially overlapping with the user image, wherein the function window has at least one learning option; in response to one of the at least one learning option being triggered, the graphical user interface displaying a question-and-answer window; the question-and-answer window of the graphical user interface displaying a templated answer corresponding to the input data.

Abstract: A collaboration system and a collaboration method are provided. The collaboration system includes a first display device and a second display device. The first display device includes a first screen. The first screen displays a first display interface. The first display interface has a first display window and a first function key. The first display window displays a first frame. The second display device includes a second display screen. The second display screen displays a second display interface. The second display interface has a second display window. The second display window displays a second frame. When the first function key is turned on, the first frame moves along with the second frame. When the first function key is turned off, the first frame does not follow the movement of the second frame.

Abstract: A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer, a surrounding wall, a light emitting unit, an adhesive, and a light permeable element. The surrounding wall is annular with step structure and includes an upper tread surface arranged away from the substrate, an upper riser surface connected to an inner edge of the upper tread surface, a lower tread surface disposed at an inner side of the upper riser surface, an accommodating groove disposed between the lower tread surface and the upper riser surface, and a lower riser surface connected to an inner edge of the lower tread surface and arranged away from the upper tread surface. The lower riser surface and the first surface jointly define a receiving space.

Abstract: A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer, a light emitting unit, a photodiode, a surrounding wall, a light permeable element, and a coating layer. The substrate includes a first surface and a second surface that is opposite to the first surface. The upper electrode layer is disposed on the first surface of the substrate. The light emitting unit and the photodiode both are disposed on the upper electrode layer. The surrounding wall is disposed on the first surface and is arranged to surround the light emitting unit and the photodiode. The light permeable element is disposed on the surrounding wall. The coating layer is disposed inside of the surrounding wall and is coated on a part of the first surface and a part of the upper electrode layer.

Abstract: A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer, a light emitting unit, a photodiode, a surrounding wall, a light permeable element, and a coating layer. The substrate includes a first surface and a second surface that is opposite to the first surface. The upper electrode layer is disposed on the first surface of the substrate. The light emitting unit and the photodiode both are disposed on the upper electrode layer. The surrounding wall is disposed on the first surface and is arranged to surround the light emitting unit and the photodiode. The light permeable element is disposed on the surrounding wall. The coating layer is disposed inside of the surrounding wall and is coated on a part of the first surface and a part of the upper electrode layer.

Abstract: A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer and a lower electrode layer respectively disposed on two sides of the substrate, a light emitting unit mounted on the upper electrode layer, a surrounding wall disposed on the substrate and arranged to surround the light emitting unit, a conductive unit disposed on the surrounding wall and electrically connected to the lower electrode layer, a light permeable element disposed on the surrounding wall, a detection circuit formed on the light permeable element, and at least one conductive adhesive. The conductive adhesive includes a colloid and a plurality of fillers mixed with the colloid. The colloid and the fillers of the conductive adhesive are partially filled within the gap.

Abstract: A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer, a surrounding wall, a light emitting unit, an adhesive, and a light permeable element. The surrounding wall is annular with step structure and includes an upper tread surface arranged away from the substrate, an upper riser surface connected to an inner edge of the upper tread surface, a lower tread surface disposed at an inner side of the upper riser surface, an accommodating groove disposed between the lower tread surface and the upper riser surface, and a lower riser surface connected to an inner edge of the lower tread surface and arranged away from the upper tread surface. The lower riser surface and the first surface jointly define a receiving space.

Abstract: A light source package structure is provided. The light source package structure includes a substrate, an upper electrode layer and a lower electrode layer respectively disposed on two sides of the substrate, a light emitting unit mounted on the upper electrode layer, a surrounding wall disposed on the substrate and arranged to surround the light emitting unit, a conductive unit disposed on the surrounding wall and electrically connected to the lower electrode layer, a light permeable element disposed on the surrounding wall, a detection circuit formed on the light permeable element, and at least one conductive adhesive. The conductive adhesive includes a colloid and a plurality of fillers mixed with the colloid. The colloid and the fillers of the conductive adhesive are partially filled within the gap.

Abstract: A light-emitting device includes a package structure and a light-emitting chip. The package structure has a light exiting surface, a rear surface facing away from the light exiting surface, a groove inward recessed on the rear surface, and an outer surrounding side wall surrounding the groove. The light-emitting chip is disposed in the groove. The width of the package structure gradually decreases from the light exiting surface to the rear surface. The width of the groove gradually increases from inside to outside of the groove.

Abstract: An LED structure includes a substrate, an LED chip disposed on the substrate, a wavelength conversion layer disposed above a light-emitting surface of the LED chip, and a cut-on optical filter disposed on a central region of the wavelength conversion layer.

Abstract: A light-emitting device includes a package structure and a light-emitting chip. The package structure has a light exiting surface, a rear surface facing away from the light exiting surface, a groove inward recessed on the rear surface, and an outer surrounding side wall surrounding the groove. The light-emitting chip is disposed in the groove. The width of the package structure gradually decreases from the light exiting surface to the rear surface. The width of the groove gradually increases from inside to outside of the groove.

Abstract: An LED package structure with multiple color temperatures includes a substrate, a circuit layer disposed on the substrate, a plurality of first LED chips and a plurality of second LED chips disposed on the circuit layer, and a light conversion layer disposed on the substrate and the circuit layer. The light conversion layer has a spiral surface arranged away from the substrate. The light conversion layer includes a first light conversion portion and a second light conversion portion arranged around a lateral side of the first light conversion portion. The color temperature of the first light conversion portion is different from that of the second light conversion portion. The first LED chips are embedded in the first light conversion portion, and the second LED chips are embedded in the second light conversion portion. Thus, the LED package structure provided by the instant disclosure has good production efficiency.

Abstract: An LED structure includes a substrate, an LED chip disposed on the substrate, a wavelength conversion layer disposed above a light-emitting surface of the LED chip, and a cut-on optical filter disposed on a central region of the wavelength conversion layer.

Abstract: An LED package structure with multiple color temperatures includes a substrate, a circuit layer disposed on the substrate, a plurality of first LED chips and a plurality of second LED chips disposed on the circuit layer, and a light conversion layer disposed on the substrate and the circuit layer. The light conversion layer has a spiral surface arranged away from the substrate. The light conversion layer includes a first light conversion portion and a second light conversion portion arranged around a lateral side of the first light conversion portion. The color temperature of the first light conversion portion is different from that of the second light conversion portion. The first LED chips are embedded in the first light conversion portion, and the second LED chips are embedded in the second light conversion portion. Thus, the LED package structure provided by the instant disclosure has good production efficiency.

Abstract: Disclosed is a device is for removing static charge. The device includes a shell, a lead, a circuit board, at least one warning signal and a power supply. The shell includes a conductive portion. The lead is for contact with an external object that carries static charge. The circuit board is connected to the lead on one hand and connected to the conductive portion of the shell on the other hand. The circuit board is installed in the shell. The warning signal is installed on the shell. The power supply is connected to the circuit board. On detecting electric current caused by the removal of the static charge, the circuit board instructs the power supply to stably energize the warning signal no matter how weak the electric current may be.

Abstract: A flashlight includes one or more light devices for being energized to generate light, one or more chargeable batteries are received in the housing and coupled to the light device for energizing the light device, an electric generating device is received in the housing, and rotatable or drivable by an actuating device. A directing device is coupled between the electric generating device and the chargeable battery for preventing an anti-phase electric current from flowing toward the chargeable battery and for preventing the chargeable battery from being damaged by the anti-phase electric current. A coupler may be coupled to the electric generating device for coupling to various electric facilities.

Abstract: A photo-controlled swing-metering controller includes a light-blocking plate connected to and synchronously swinging along with a swing wheel mechanism to cause changes in a light-source signal emitted from a photo-sensing device. The photo-sensing device detects the changed light-source signal and outputs an encoded signal, and discrimination of which enables the function of swing metering control.