6results about How to "Luminous stability" patented technology

The present application provides a kind of ultraviolet irradiation device, which is greatly miniaturized compared with existing configuration.The ultraviolet irradiation device includes: a lampshade, which is formed with a light extraction surface; an excimer lamp, which is housed at a position separated from the light extraction surface in a first direction; a first electrode block, which is arranged in contact with the outer surface of the light emitting tube of the excimer lamp from the side opposite to the light extraction surface in the first direction; a second electrode block, which is arranged in contact with the outer surface of the light emitting tube of the excimer lamp from the side opposite to the light extraction surface in the first direction at a position separated from the first electrode block in a second direction parallel to the tube axis of the excimer lamp; and a pressing member, which is arranged at least one of a position further away from the second electrode block than the first electrode block in the second direction and a position further away from the first electrode block than the second electrode block in the second direction, and abuts against the excimer lamp.

A waterproof light bar and a waterproof rotary display mechanism relate to the field of electronic display products and comprise a waterproof shield, a waterproof glue layer, a first circuit board and LED lamp beads. Wherein the first circuit board is fixed to the waterproof protective cover, the plate face, deviating from the waterproof protective cover, of the first circuit board comprises a lamp bead mounting face and a non-lamp-bead mounting face, and the LED lamp beads are mounted on the lamp bead mounting face; the waterproof glue layer covers the plate face, close to the waterproof shield, of the first circuit board, the peripheral side faces of the first circuit board and the non-lamp-bead mounting face at the same time. The structural design of the waterproof light bar can improve the waterproof effect, reduce the failure rate of electronic components, prolong the service life and improve the image display quality.

The utility model relates to a photovoltaic - display integration quantum dot backlight module of display technical field, including photovoltaic element layer, optical coupling layer, quantum dot film layer and conductive and optical modulation layer who laminated and bonded in proper order, photovoltaic element layer is silicon -based solar cell panel, optical coupling layer includes high light transmittance polymer base, and the upper surface of high light transmittance polymer base is distributed micron -sized prism array or diffusing reflection particle, and the lower surface of high light transmittance polymer base is plated with anti -reflective film, quantum dot film layer includes main part and the perovskite quantum dot of embedding main part, and conductive and optical modulation layer includes conductive layer and optical modulation layer. The utility model reduces the dependency on power supply, realizes two -way light energy utilization, reduces power consumption, and the display picture color is more bright and colorful, real, improves optical uniformity while isolating external interference, ensures long -term stable light emission under the complex environment outdoors, relieves thermal stress, prevents material corrosion and cracking, and the module stability is high.

This application relates to the field of smart meter technology, specifically to a smart meter designed to address the technical problem of reducing power consumption in smart meters, thereby ensuring product compliance and improving the product's green energy efficiency. To this end, the smart meter of this application includes a rectifier module, a DC power supply module, and a communication module. The rectifier module provides a first DC voltage to the DC power supply module. The DC power supply module includes a DC-DC converter; the fifth terminal of the DC-DC converter is connected to the first DC voltage, and the sixth terminal of the DC-DC converter is connected to the communication module, used to convert the first DC voltage into a third DC voltage to power the communication module. Through this configuration, the smart meter of this application has lower heat loss and higher conversion efficiency, thereby effectively reducing the power consumption of the smart meter.

This utility model discloses an adjustable red-green light source for a dual-color water level gauge, relating to the field of electronic technology. It includes a horizontally placed substrate, with a square wave generator and a drive circuit respectively located at both ends of the top of the substrate. A duty cycle adjustment circuit is also located at the center of the top of the substrate. The drive circuit is electrically connected to both the square wave generator and the duty cycle adjustment circuit. The square wave generator and the duty cycle adjustment circuit are electrically connected to each other. Multiple positioning slots are formed on the top of the substrate. This utility model, through the cooperation of the square wave generator, the duty cycle adjustment circuit, and the drive circuit, can achieve a wide range of brightness adjustment for the light source, adapting to different application requirements. The light source is flicker-free, provides stable and uniform illumination in the camera, meeting the adjustment requirements of the red-green light source for a dual-color water level gauge, and ensuring the display effect of the water level gauge's liquid level in the camera.

The invention discloses a display driving device, a control method thereof and a display device. The display driving device comprises a power supply module and a display driving module. The power supply module comprises a power supply end which outputs power supply voltage; the display driving module is connected with the power supply end and used for generating gamma voltage according to reference voltage, and the reference voltage changes along with power supply voltage; and the display driving module is also used for comparing the value of the power supply voltage with the value of the first set voltage and controlling the magnitude of the power supply voltage output by the power supply module according to a comparison result. The display brightness of the display device can be compensated, and the display effect of the display device is improved.