52results about How to "No need to increase the area" patented technology

The invention provides a display substrate. The display substrate includes a display area. The display area includes a plurality of pixel units. The display substrate further includes at least one antenna. The antenna is disposed at a boundary of the pixel units. At least one antenna is used to transmit a detection wave to the outside after receiving a drive signal. At least one antenna is used togenerate an inductive signal after receiving an inductive wave from the outside. The invention also provides a display device and an operation method of the display device. In the display substrate,the antenna cannot occupy a peripheral area, and realization of frame narrowing of the display device is facilitated.

The invention discloses a modulation type piezoelectric loudspeaker, a loudspeaker system and a control method thereof and relates to the technical field of loudspeakers. The modulation type piezoelectric loudspeaker comprises a casing, a sound production piezoelectric piece, a sound production vibrating diaphragm and a piezoelectric valve, wherein the sound production piezoelectric piece and the sound production vibrating diaphragm are combined together. The sound production piezoelectric piece is used for driving the sound production vibrating diaphragm to generate oscillation air flow under the driving of audio driving electrical signals; and the piezoelectric valve is used for moving under the driving of control driving electrical signals so as to open or seal an air outlet of oscillating air flow or adjust the opening degree of the air outlet. The loudspeaker system and the loudspeaker system control method are provided. According to the modulation type piezoelectric loudspeaker, the opening and closing of the air outlet of the oscillating air flow generated by the sound production vibrating diaphragm and the size of the air outlet are controlled through the opening and closing of the piezoelectric valve, so that frequency of sound signals output by the loudspeaker is changed, high-fidelity replayed sounds are obtained while enough output air flow quantity is guaranteed, the structure is simple and reliable, the area of the piezoelectric piece does not need to be increased, and miniaturization is achieved easily.

The invention relates to a wide-angle lighting solar energy photovoltaic cell which is formed by assembling a full transparent upper cover, a silicon solar cell, a lower bottom plate and the like, wherein the full transparent upper cover on the silicon solar cell is or covered with full transparent mutually parallel cylindrical wide-angle lenses and spherical grid wide-angle lenses. The visual angle of the cylindrical wide-angle lenses or the spherical grid wide-angle lenses is 90 degrees-135 degrees. The wide-angle lighting solar energy photovoltaic cell can absorb sunlight to the maximum extent without rotating a solar panel in the whole day from sunrise to sunset under the situation of fixing the solar panel, be always in the state with the maximum conversion rate and improve the power by about 20%. The structure is simple, and a panel of an upper cover plate does not need to be increased, thereby realizing very low using cost, improving the efficiency and being greatly conductive to popularization of the silicon solar cell.

The invention relates to an active area structure. An active area is a second type active area in a semiconductor substrate; the surface of the second type active area is covered with a gate oxide layer; the gate oxide layer is provided with a source selecting gate corresponding to the position of the second type active area; the second type active area also comprises an insulator well area; and the insulator well area corresponds to the position of an interconnecting structure for connecting the source selecting gate. By arranging the insulator well area at the position of the interconnectingstructure corresponding to the source selecting gate in the second type active area, the active area structure can effectively increase resistance between the source selecting gate and the second type active area under the source selecting gate and improve the insulated isolation performance between the both, thereby solving the problem of big leakage current between the source selecting gate andthe active area caused by the damage of the gate oxide layer under the interconnecting structure of the source selecting gate, reducing the power consumption of a NAND device, and improving the stability of the device.

The invention discloses a method for verifying whether a detection result of a detecting device is right, which relates to the detecting technology of semiconductors. The method comprises a clip which is equipped with a work area and a nominal area, the clip comprises a plurality of bit lines and word lines, the nominal area does not participate in a circuit work of the work area, and the bit lines or the word lines of the nominal area are connected with fuse wires and are connected with preinstall bit lines or word line circuits of the work area. The preinstall bit lines or the word lines of the work area fail through that the fuse wires are interrupted, the bit lines or the word lines of the nominal area which are connected with the fuse wires replace the preinstall bit lines or preinstall word lines of the work area, thereby obtaining an invalid practical physical address. The clip is detected by the detecting device, thereby outputting a detected physical address, and whether the detecting device is natural can be detected through comparing the practical physical address and the detected physical address. Compared with the prior art, the fuse wires are bigger and are conveniently interrupted by focusing ions or lasers. The design of a fuse wire circuit is added in the nominal area, and the whole area of the clip does not need to be increased.

The invention relates to the technical field of semiconductors, and particularly discloses a transient voltage suppression protection device with high maintaining voltage, which comprises a first conductive type substrate; a second conductive type well; a low-voltage second conductive type well and a low-voltage first conductive type well; a first N + region and a first P + region; a second N + region and a second P + region; the first P + region is close to the second N + region; a groove is formed in the junction position of the low-voltage second conductive type well and the low-voltage first conductive type well, a third N + region is arranged in the groove, and the groove is divided into at least two parts by the third N + region; the first N + region and the first P + region are connected to form an anode metal end of the transient voltage suppression protection device; and the second N + region and the second P + region are connected to form a cathode metal end of the transient voltage suppression protection device. The invention further discloses an electrostatic discharge circuit structure. According to the transient voltage suppression protection device with the high maintaining voltage, the maintaining voltage can be increased under the condition that the area of the device is not increased.

The invention discloses a linkage laminated injection mold which comprises a middle cavity mold plate (1), a left core mold plate (2) and a right core mold plate (3), wherein the adopted left and right core mold plates are respectively positioned on the left and right sides of the middle cavity mold plate; the middle cavity mold plate is provided with an A cavity carrier plate, a B cavity carrier plate and a heat flow carrier plate; two mold cavities are formed in each of the A cavity carrier plate and the B cavity carrier plate; the heat flow carrier plate is provided with a head flow distributing channel, a sliding hot sprue and linkage gears; the left core mold plate is provided with a left rack, a left top plate, a left ejector oil cylinder, a left guide column, a left mold core, a left bottom plate and a left carrier plate; and the right core mold plate is provided with a right rack, a right top plate, a right ejector oil cylinder, a right guide column, a right mold core, a sprue hole, a right bottom plate and a right carrier plate. According to the linkage laminated injection mold, a laminated structure that two parting surfaces are arranged on the left and right sides of the middle cavity mold plate is adopted, and a technical scheme that four products can be simultaneously produced by adopting one mold through linkage opening-closing of the left rack, the right rack and the linkage gears, thereby achieving the injection molding production of auto airbag side cover products, and fulfilling the purposes of cost reduction and efficiency improvement.

The invention discloses a heat dissipation device for a hydraulic system. The heat dissipation device comprises a water-cooled engine water tank heat dissipation device and the hydraulic system, wherein the hydraulic system is externally connected with a circulating oil pipe, the circulating oil pipe is arranged in the water-cooled engine water tank heat dissipation device, a cavity is arranged above the water-cooled engine water tank heat dissipation device, the hydraulic system and end parts, which are connected with two ends of the hydraulic system, of the circulating oil pipe are both located in the cavity, and the circulating oil pipe is arranged in the water-cooled engine water tank heat dissipation device and is of a helical structure. According to the heat dissipation device for the hydraulic system, disclosed by the invention, the circulating oil pipe is set to be a helical shape, thus the time that the circulating oil pipe passes through the water-cooled engine water tank heat dissipation device is increased, the heat dissipation effect of the hydraulic system is greatly increased, the cavity is arranged above the water-cooled engine water tank heat dissipation device and is used for placing the hydraulic system, the whole heat dissipation device is simpler, the area of the hydraulic system does not need to be increased, the cost is correspondingly reduced, meanwhile, the temperature of the water-cooled engine water tank heat dissipation device can be instantaneously reduced by the design of a refrigeration layer, and the heat dissipation effect is further increased.

The invention provides a pixel driving circuit, a driving method thereof and a display device. The circuit comprises a first switch circuit, a second switch circuit, a third switch circuit, a pull-down switch circuit, a driving switch circuit, a first capacitor and a second capacitor, the first capacitor and the second capacitor are coupled. Voltage of the control end of the driving switch circuitis pulled up twice on the basis of a high-level signal. The control end of the driving switch circuit obtains sufficient driving voltage; and the first end and the second end of the driving switch circuit are controlled to be conducted, so that the signal output end outputs a high-level signal, the problem of abnormal picture display caused by insufficient driving voltage of the driving switch circuit can be avoided, the area of the TFT panel does not need to be increased, and the driving circuit is suitable for a narrow-bezel display screen.

The invention discloses a double-working medium indirect air cooling system and a control method thereof, and belongs to the field of indirect air cooling systems of thermal power plant host machinesor auxiliary machines. The double-working medium indirect air cooling system is characterized in that a pump is arranged on a water outlet pipe of a desalted water storage tank, a pump is arranged ona water outlet pipe of an anti-freezing solution water storage tank, the water outlet pipe of the desalted water storage tank is connected with the down stream of a water inlet pipeline of working equipment, the water outlet pipe of the anti-freezing solution water storage tank is connected with the upper stream of the water inlet pipeline of the working equipment, and a switching valve is arranged between the down stream and upper stream of the water inlet pipeline of the anti-freezing solution water storage tank; a water outlet pipeline of the working equipment is connected with a water inlet pipeline of a radiator, a first water outlet pipeline of the radiator is connected with the water inlet pipeline of the working equipment, a second water outlet pipeline of the radiator is connectedwith a water return pipeline of the desalted water storage tank and a water return pipeline of the anti-freezing solution water storage tank, a water return valve is arranged on a water return pipeline of the desalted water storage tank, and a water return valve is arranged on the anti-freezing solution water storage tank; and each pipeline is provided with one valve. According to the double-working medium indirect air cooling system and the control method thereof, the anti-freezing effect during severe cold weather and the cooling effect during scorching hot weather can be met.

The invention relates to ultrasonic equipment, a control method of the ultrasonic equipment, and a storage medium, and belongs to the technical field of electronics. The ultrasonic equipment comprises: a direct current-to-direct current conversion circuit comprising a conversion controller; an electronic circuit connected with the output end of the direct current-to-direct current conversion circuit; and a frequency controller connected with the conversion controller, wherein the frequency controller is used for determining the working frequency of the conversion controller in the current timeperiod according to a preset frequency adjustment rule in the process of generating the ultrasonic image, and controlling the conversion controller to work according to the working frequency when theworking frequency in the current time period is different from the working frequency in at least one other time period. The problem of ultrasonic image abnormality caused by switching noise of the direct current-direct current conversion circuit can be solved; and by adjusting the working frequency of the clock source signal of the conversion controller, strong noise originally at a fixed frequency can be uniformly distributed in an observable spectrum range of an ultrasonic image, so that the abnormality of the ultrasonic image is eliminated.

The invention provides a display panel packaging structure, a display panel and a display device. The packaging structure includes two substrates disposed opposite to each other and an edge packaginglayer. The edge packaging layer includes a first packaging portion and a second packaging portion connected to each other. The second package portion is disposed in a non-display area of the first substrate and is in contact with the second substrate. The second packaging portion bypass the side of the second substrate and covers a side of the second substrate away from the first substrate. The packaging structure prolongs an intrusion path of moisture and oxygen, and improves the effect of blocking water and oxygen intrusion. In addition, there is no need to increase the area of the non-display area, and the packaging structure can be well adapted to the design of narrow frames. The display panel of such structure has a good packaging effect, a long-lived light emitting device, a stable display effect, and a high yield.