8results about How to "Reduce distortion problems" patented technology

The application relates to the fields of microelectronic packaging and novel display technology, and discloses a packaging method suitable for a hybrid device packaging structure of a MicroLED, which comprises the following steps: preparing a wide-bandgap semiconductor driving chip, a logic control chip and a light-emitting pixel chip; transferring and fixing the wide-bandgap semiconductor driving chip, the logic control chip and the light-emitting pixel chip on the surface of a carrier plate in a coplanar mode; depositing a dielectric layer on the surface of the carrier plate to expose electrode contacts; manufacturing metal wires to build an internal electrical interconnection structure and lead out a peripheral interface; coating a packaging material on the surface of the carrier plate to insulate and coat the internal electrical interconnection structure; curing and cutting to separate an independent pixel packaging body; and assembling the pixel packaging body to a display panel substrate and connecting the peripheral interface to a global power supply network. The application suppresses the hot carrier effect under high-temperature working conditions, solves the problem of thermal failure, reduces the parasitic capacitance of high-frequency driving interconnection, removes potential failure products before macroscopic mounting, and improves the assembly yield of a display panel array.

Embodiments of the present application provide a kind of board level structure and electronic equipment, it is related to electronic equipment technical field.The board level structure includes substrate, camera module, power supply wiring and suspension coil.Wherein, power supply is equipped on substrate.Cameras module is set to substrate, and cameras module includes magnetic component.At least part of power supply wiring is located at the outside of cameras module.At least part of suspension coil is located between cameras module and power supply wiring, when power supply inputs periodic variation input current to power supply wiring, coupling current with input current frequency same, opposite direction is generated in the suspension coil between cameras module and power supply wiring.The board level structure can reduce the electromagnetic interference that power supply wiring generates to the magnetic component in cameras module by setting suspension coil, and it is convenient to wiring, can solve the problem of higher difficulty in wiring in related art.

The present application relates to a kind of based on compression self-encoding unsupervised low-illumination image enhancement method, comprising the following steps: initialization generator and the network parameter of discriminator;Generator obtains low-illumination image, extracts noise vector, generates first false image;Discriminator judges first false image is real data image or false data image;Generator adjusts the generation strategy of generator, obtains first new strategy;Generator obtains first false image generated by itself, generates second false image again;Discriminator judges second false image is real data image or false data image, and discriminator outputs second judgment result;Generator obtains second judgment result, adjusts the generation strategy of generator, obtains second new strategy.The training efficiency and generalization ability of generative adversarial network are improved by using compression self-encoding, reduce image distortion and noise, so as to improve the effect of unsupervised low-illumination enhancement algorithm.

The utility model discloses a kind of anti-torque control cables of high shielding effectiveness, belong to cable field, comprising: a plurality of conductor assemblies;Sub-screening layer, including first shielding layer and current-carrying wire, first shielding layer is wrapped in a plurality of conductor assemblies outside, current-carrying wire is resisted to first shielding layer outside;Sub-screening layer wrapped in first shielding layer outside, current-carrying wire is located in sub-screening layer inside;Total shielding layer, including second shielding layer and third shielding layer wrapped in sub-screening layer outside in turn;Outer sheath wrapped in third shielding layer outside, the material of outer sheath is thermoplastic vulcanized rubber.Conductor assembly includes: a plurality of conductor units;Sub-twisted layer wrapped in a plurality of conductor units outside, first shielding layer is wrapped in sub-twisted layer outside.The technical effect of the utility model is in that it not only has high shielding effectiveness, and it is not easy to crack after repeated torsional deformation.

This application discloses an active display control device based on gallium arsenide (GaAs) optoelectronic devices. In this device, the GaAs heterojunction field-effect transistor used in the array driving unit, leveraging the material's high electron mobility and the two-dimensional electron gas structure formed by the heterojunction, can instantaneously control the luminous state of the display pixels. Furthermore, it is electrically connected to each display pixel in a one-to-one correspondence, eliminating signal lag caused by multiplexing. Additionally, the GaAs CMOS logic unit, utilizing the properties of GaAs material, can significantly reduce the signal transmission delay of logic gate circuits. Combined with the high-frequency modulation characteristics of pulse width modulation signals, it effectively improves the smoothness of dynamic image transitions. Regarding high-frequency power consumption control, the GaAs heterojunction field-effect transistor can significantly reduce Joule heat loss and static power consumption during high-frequency switching. The cascaded structure of the array driving unit and the GaAs CMOS logic unit can reduce signal attenuation and distortion at high frequencies, reducing the power consumption of the auxiliary amplifier circuit.

The utility model discloses a signal transmission processing circuit for electric eddy current position sensor, include: first operational amplifier, first negative feedback branch, positive feedback branch, first output unit, second operational amplifier, second negative feedback branch, second output unit, first negative feedback branch links with the noninverting input end, output end of first operational amplifier, and first output unit links with the output end of first operational amplifier, and positive feedback branch links with the noninverting input end of first operational amplifier, first output unit, second negative feedback branch links with the noninverting input end, second end, output end of second operational amplifier, the utility model discloses a signal transmission processing circuit for electric eddy current position sensor, through with the voltage of differential signal converts for the transmission of current, utilizes the low sensitivity of current signal to common mode interference, effectively reduces the generation of common mode current to reduce common mode radiation.

This application relates to a blood flow parameter measurement device, equipment, storage medium, ultrasound probe, and system, belonging to the field of medical devices. The blood flow parameter measurement device includes: a first acquisition module for acquiring first measurement parameters obtained by a first transducer group in imaging mode; a second acquisition module for acquiring second measurement parameters obtained by a second transducer group in imaging mode or Doppler blood flow detection mode; both the first and second measurement parameters include vessel location, vessel depth, vessel diameter, and Doppler angle; a correction module for combining and calculating the first and second measurement parameters to correct the vessel diameter and Doppler angle; and a monitoring module for monitoring the hemodynamic parameters of the target object based on the corrected vessel diameter and Doppler angle. The technical solution of this application can output stable hemodynamic evaluation results.