Abstract: An embodiment of the present disclosure provides a welding fixture, including: a base; a supporter; a fixing device arranged to fix a member to be welded on the supporter; and a damping hinge which includes a first hinge plate, a second hinge plate and a pivot, the first hinge plate being fixed to the base, the second hinge plate being fixed to the supporter, wherein each of the first hinge plate and the second hinge plate has a pivot hole and is connected to the pivot via the pivot hole, and wherein the pivot is fitted into the pivot hole of each of the first hinge plate and the second hinge plate by interference. An embodiment of the present disclosure provides a welding method using the welding fixture.

Abstract: The present disclosure provides a display screen, a display device and a luminance compensation method. The display screen includes a window area and a bezel area; wherein the window area includes a first sub-area for actual display and a second sub-area provided around the first sub-area, the bezel area is provided in a periphery of the window area; the display screen further includes an auxiliary pixel area provided with multiple auxiliary pixels, the auxiliary pixel area covers at least the second sub-area, and the auxiliary pixels are controlled to present a same color as the bezel area when the display screen is switched on.

Abstract: Embodiments of the present disclosure provide a device for controlling luminance, a method of controlling luminance and a display device. The method of controlling luminance may comprise: obtaining a theoretical white balanced luminance value for each color of sub-pixel included in N pixels; obtaining a luminance controlling value for other colors of sub-pixels except for a ith color of sub-pixel included in each of the N pixels; and adjusting luminance of the other colors of sub-pixels except for the ith color of sub-pixel included in each pixel according to the luminance controlling value. The method of controlling luminance can be used in luminance controlling devices.

Abstract: Polymers, hydrogels, and thermochromic agents, including products embodying them, methods of using them, and processes for making them. In certain embodiments, temperature therapy packs which utilize thermochromic agents integrated into solid, semi-solid, or liquid hydrogels. In preferred (but optional) embodiments, the thermochromic agents are integrated into the composition used as the temperature exchange material of the therapy pack. In certain other embodiments, methods of using the thermochromic integrated temperature exchange materials, or processes for manufacturing such thermochromic integrated temperature exchange materials and/or methods or processes for manufacturing or using thermal packs embodying such materials. In certain particularly preferred embodiments, novel polymer compositions and/or processes for making polymers, which improve product durability or longevity and/or which improve use cycles or usage times.

Abstract: Polymers, hydrogels, and thermochromic agents, including products embodying them, methods of using them, and processes for making them. In certain embodiments, temperature therapy packs which utilize thermochromic agents integrated into solid, semi-solid, or liquid hydrogels. In preferred (but optional) embodiments, the thermochromic agents are integrated into the composition used as the temperature exchange material of the therapy pack. In certain other embodiments, methods of using the thermochromic integrated temperature exchange materials, or processes for manufacturing such thermochromic integrated temperature exchange materials and/or methods or processes for manufacturing or using thermal packs embodying such materials. In certain particularly preferred embodiments, novel polymer compositions and/or processes for making polymers, which improve product durability or longevity and/or which improve use cycles or usage times.

Abstract: A handheld electronic device is provided. The handheld electronic device includes a housing, wherein a universal ball structure is provided at a corner of the housing. The universal ball structure includes a groove, and a ball in the groove.

Abstract: Polymers, hydrogels, and thermochromic agents, including products embodying them, methods of using them, and processes for making them. In certain embodiments, temperature therapy packs which utilize thermochromic agents integrated into solid, semi-solid, or liquid hydrogels. In preferred (but optional) embodiments, the thermochromic agents are integrated into the composition used as the temperature exchange material of the therapy pack. In certain other embodiments, methods of using the thermochromic integrated temperature exchange materials, or processes for manufacturing such thermochromic integrated temperature exchange materials and/or methods or processes for manufacturing or using thermal packs embodying such materials. In certain particularly preferred embodiments, novel polymer compositions and/or processes for making polymers, which improve product durability or longevity and/or which improve use cycles or usage times.

Abstract: A backlight lamp bar, a backlight module and a display device are provided in embodiments of the disclosure, all being relating to a technical field of display technology, the backlight lamp bar as disclosed including: a flexible circuit board; and a backlight source and a button light source both being provided on the flexible circuit board; the backlight source and the button light source being located on two opposite faces of the flexible circuit board perpendicular to a thickness direction thereof, and power supply terminals of the backlight source and the button light source are electrically connected with circuits on the flexible circuit board, respectively.

Abstract: A handheld electronic device is provided. The handheld electronic device includes a housing, wherein a universal ball structure is provided at a corner of the housing. The universal ball structure includes a groove, and a ball in the groove.

Abstract: A super absorbent thermochromic resin and a preparation method thereof are disclosed. The resin comprises the following components by weight percent: 30-60% of a monomer, 0.01-0.5% of an initiator, 0.01-4% of a dispersant, 0.01-5% of a cross-linking agent, 0-20% of a diluent, 0.5-2% of an auxiliary, 0.1-10% of a thermochromic pigment, and the balance of water. Compared with the prior art, the super absorbent thermochromic resin prepared by the present invention can effectively indicate the temperature changes of the resin in a drying state and a water absorption state through color changes. The reaction finishes in 6-10 min, with a simple process, smooth polymerization, short reaction time and high productivity. The super absorbent thermochromic resin has a good stability and can be widely applied to the medical industry and daily use articles industry.

Abstract: A super absorbent thermochromic resin and a preparation method thereof are disclosed. The resin comprises the following components by weight percent: 30-60% of a monomer, 0.01-0.5% of an initiator, 0.01-4% of a dispersant, 0.01-5% of a cross-linking agent, 0-20% of a diluent, 0.5-2% of an auxiliary, 0.1-10% of a thermochromic pigment, and the balance of water. Compared with the prior art, the super absorbent thermochromic resin prepared by the present invention can effectively indicate the temperature changes of the resin in a drying state and a water absorption state through color changes. The reaction finishes in 6-10 min, with a simple process, smooth polymerization, short reaction time and high productivity. The super absorbent thermochromic resin has a good stability and can be widely applied to the medical industry and daily use articles industry.

Abstract: An embodiment of the present disclosure provides a welding fixture, including: a base; a supporter; a fixing device arranged to fix a member to be welded on the supporter; and a damping hinge which includes a first hinge plate, a second hinge plate and a pivot, the first hinge plate being fixed to the base, the second hinge plate being fixed to the supporter, wherein each of the first hinge plate and the second hinge plate has a pivot hole and is connected to the pivot via the pivot hole, and wherein the pivot is fitted into the pivot hole of each of the first hinge plate and the second hinge plate by interference. An embodiment of the present disclosure provides a welding method using the welding fixture.

Abstract: Embodiments of present invention provide a DC-DC device soldering detecting apparatus. The apparatus may include a power module adapted to input a preset voltage into the DC-DC device on a circuit board, a frequency generating module adapted to input a preset clock frequency signal into the DC-DC device, and a voltage detecting and determining module adapted to detect soldering quality of the DC-DC device on the circuit board based on an output voltage of the DC-DC device.

Abstract: Embodiments of present invention provide a DC-DC device soldering detecting apparatus. The apparatus may include a power module adapted to input a preset voltage into the DC-DC device on a circuit board, a frequency generating module adapted to input a preset clock frequency signal into the DC-DC device, and a voltage detecting and determining module adapted to detect soldering quality of the DC-DC device on the circuit board based on an output voltage of the DC-DC device.

Abstract: The present invention relates to a cushion for preventing pressure sore. The cushion for preventing pressure sore includes an air cell layer, an air passage layer, a base layer, and a plurality of air ducts. The air cell layer has a plurality of air cells; the air cell layer is divided into at least four air cell zones. Air cells in each air cell zone are in communication with each other, but air cells in any two adjacent air cell zones are not in communication with each other; the air passage layer is under the air cell layer and has a plurality of air passages therein. Each air passage is in connection and communication with at least one of the air cell zones; the air passage layer and the air cell layer are disposed on the base layer; an end of each air duct is in communication with a corresponding air passage, and the other end extends out of the cushion and is provided with a joint; and each air duct has a respective valve.

Abstract: The present invention relates to a cushion for preventing pressure sore. The cushion for preventing pressure sore includes an air cell layer, an air passage layer, a base layer, and a plurality of air ducts. The air cell layer has a plurality of air cells; the air cell layer is divided into at least four air cell zones. Air cells in each air cell zone are in communication with each other, but air cells in any two adjacent air cell zones are not in communication with each other; the air passage layer is under the air cell layer and has a plurality of air passages therein. Each air passage is in connection and communication with at least one of the air cell zones; the air passage layer and the air cell layer are disposed on the base layer; an end of each air duct is in communication with a corresponding air passage, and the other end extends out of the cushion and is provided with a joint; and each air duct has a respective valve.