28results about How to "Reduce reflexes" patented technology

The invention discloses electromagnetic shielding aerogel with a double-layer structure and a preparation method of the electromagnetic shielding aerogel, the electromagnetic shielding aerogel is composed of cellulose nanofibers, hollow cobalt nickel carbon nanocages and few-layer MXene, and the electromagnetic shielding aerogel is of the double-layer structure. The electromagnetic shielding aerogel not only has excellent kilomegahertz shielding efficiency with low reflection characteristic, but also has great application potential in the fields of lightweight multifunctional electromagnetic shielding composite materials, special electromagnetic protection facilities, electromagnetic stealth materials, severe environment resistant electronic equipment and the like.

The invention discloses a backlight module for a double-sided screen and a display terminal. The backlight module comprises a reflecting plate, a light guide layer arranged in the reflecting plate and a light source arranged in the reflecting plate and located on one side of the light guide layer. The flat plate part is attached to the light guide layer, the bending part is bent to be in a C shape and surrounds the outer side of the light source, the coarse grain part is connected between the flat plate part and the bending part in a transition mode, and the end, close to the light source, of the light guide layer is tightly attached to the coarse grain part. By arranging the reflecting plate of the three-section structure, the flat plate part can normally achieve the reflecting function, the bent part can assist a light source to be output to the light guide layer in a concentrated mode, and by arranging the coarse grain part, on one hand, under the condition that the light guide layer is attached, the distance between one end of the light guide layer and the light source is limited, and the light source cannot be affected under the condition that the light guide layer is heated and expanded; and on the other hand, the reflecting effect of the part of reflecting plate can be weakened, so that the phenomenon of bright edges on the display screen is avoided.

In the plasma processing apparatus of the present invention, a first processing condition including supplying a first processing gas into a chamber and a second processing condition including supplying a second processing gas into the chamber are respectively applied in a first processing period and a second processing period. In each of the first processing period and the second processing period, a source high-frequency electric power is supplied to generate plasma, and an electric bias is supplied to the substrate supporting part. In the first processing period, a plurality of frequencies of the first frequency set are used in sequence as the frequencies of the source high-frequency electric power in the waveform period of the electric bias. In the second processing period, a plurality of frequencies of the second frequency set are used in sequence as the frequencies of the source high-frequency electric power in the waveform period of the electric bias.

The utility model discloses a display substrate and a display device. The display substrate comprises a substrate; the driving layer is positioned on one side of the substrate and is provided with a plurality of conductive bonding pads; the light absorption layer is located on the side, away from the substrate, of the driving layer, the orthographic projection of the light absorption layer on the substrate and the orthographic projection of the driving layer on the substrate are overlapped, the light absorption layer is provided with a plurality of first via holes corresponding to the plurality of conductive bonding pads, and the orthographic projection of the first via holes on the substrate and the orthographic projection of the corresponding conductive bonding pads on the substrate are overlapped; the light-emitting units are located on the side, away from the substrate, of the light absorption layer and electrically connected with at least part of the conductive bonding pads through the first via holes; the display substrate further comprises a light transmitting layer and a base material layer which are located on the side, away from the substrate, of the light absorbing layer and sequentially arranged in a stacked mode, the light transmitting layer and the base material layer are continuously distributed film layers, and the light transmitting layer is located between the adjacent light emitting units and located on the side, away from the substrate, of the light emitting units. The display substrate has low reflectivity and high transmittance at the same time, and the application scene is wider.

One embodiment of the present invention relates to an optical film for being disposed in a display device, and a backlight unit comprising the optical film, the optical film comprising a base film, a pattern layer disposed on the base film and comprising a curved portion, and a coating layer disposed on the pattern layer, the coating may include a plurality of particles disposed continuously on at least a portion of the curved portion of the pattern layer, and a filler material disposed along the curved portion of the pattern layer and filling spaces between the plurality of particles.

The present application discloses a sound-emitting device and an electronic device having the same, wherein the sound-emitting device comprises a shell, a sound outlet is arranged on the side wall of the shell, and the shell comprises a first shell and a second shell; a sound-emitting unit, the sound-emitting unit is arranged in the shell and forms a front sound cavity between the sound-emitting unit and the first shell, and the front sound cavity is connected with the sound outlet; wherein at least one end of the first shell away from the sound outlet is provided with a sound-absorbing part, and the surface of the sound-absorbing part facing the sound outlet is provided with an aerogel material layer. According to the sound-emitting device of an embodiment of the present invention, by providing a sound-absorbing part at one end of the first shell away from the sound outlet, and providing an aerogel material layer on the surface of the sound-absorbing part facing the sound outlet, the aerogel material layer has a microporous structure, has air permeability and sound-absorbing effects, can reduce the reflection effect of the shell wall on the opposite side of the sound outlet on the sound waves of the front sound cavity, thereby reducing the resonance peaks and valleys, and improving the acoustic performance of the sound-emitting device.

The invention relates to the technical field of carbon fiber resin composite plates, and particularly discloses a carbon fiber resin composite bulletproof plate and a preparation method thereof. According to the bulletproof plate, the mounting plates are arranged on the inner side of the first bulletproof plate and the inner side of the second bulletproof plate correspondingly, and the bulletproof plates comprise the first bulletproof plate, the second bulletproof plate and the mounting plates; piston cylinders are arranged at two ends of the rear surface of the first bulletproof plate; piston rods are arranged at two ends of the front surface of the second bulletproof plate; the first bulletproof plate and the second bulletproof plate are assembled through a piston rod and a piston head, and the bulletproof plate is obtained; the multiple pairs of bulletproof plates are assembled, disassembled and spliced through the locking devices, operation is easy and convenient, and time and labor are saved.

The utility model relates to the technical field of monitoring equipment, in particular to an intelligent electric power monitor convenient to install, which comprises an instrument shell serving as a novel monitor main body, an anti-reflection film arranged on the surface of the instrument shell, toughened glass connected to the bottom of the anti-reflection film, wire fixing grooves arranged on the side surfaces of the instrument shell, and thread grooves arranged on the side surfaces of the instrument shell. The wire fixing grooves penetrate through the surface of the instrument shell and the surface of the wire fixing groove. According to the utility model, the defects in the prior art are overcome, through the conductive sharp teeth and the antireflection film, in order to increase the connection stability, the intelligent power monitor adopts the conductive sharp teeth between the extruded conductive sheet and the wire pressing terminal to ensure line clamping and stable connection, and in order to improve the observation experience and protect the screen, the antireflection film and the toughened glass are adopted. Light reflection is reduced and impact resistance is provided, these designs and assemblies improve connection stability, data transmission accuracy, and enhance observation experience and screen protection capability.

The present application relates to a kind of feedforward equalizer circuit using distributed tap, including M distributed tap circuit, input end resistance and output end resistance;Each distributed tap circuit includes N transconductance amplifier, N input signal delay unit and N output signal delay unit;M, N are integer greater than or equal to 2.Input signal VI enters from the input end of the first distributed tap circuit, after passing through the first, the second, …, the Mth distributed tap circuit respectively, is connected to the one end of input end resistance, the other end of input end resistance is grounded;The output signal of each distributed tap circuit is connected together with the one end of output end resistance, and output signal VO is generated;The other end of output end resistance is connected to power supply.A kind of feedforward equalizer circuit using distributed tap proposed in the present application reduces the parasitic capacitance of transconductance amplifier, reduces the degree of signal reflection, and further reduces the bit error rate of received signal.

The invention belongs to the field of laser radars, and particularly relates to an MEMS galvanometer and a laser radar, the MEMS galvanometer comprises a substrate and a mirror body, the mirror body is connected with the substrate through a beam structure, and the mirror body is used for receiving an echo signal and deflecting under the driving of an external force to control the direction of the received echo signal; the back of the mirror body and / or the surface of the substrate are / is provided with an extinction structure, and the back of the mirror body is an opposite surface of the mirror body for receiving echo signals. The extinction structure is arranged on the back face of the mirror body and / or the surface of the substrate, ambient light can be reflected to deviate from the optical axis of a receiving system through the extinction structure, the reflecting capacity of the mirror body and / or the substrate to the ambient light can be reduced through extinction processing, stray light generated by the MEMS galvanometer to an optical system is further reduced, the signal-to-noise ratio of the system is increased, and the system reliability is improved. And the ranging capability of the laser radar is improved.

A plasma processing apparatus disclosed in the present invention has a chamber, a substrate support section, a high-frequency power source, and a bias power source. The high-frequency power source generates source high-frequency power for generating plasma in the chamber. The bias power source applies a pulse of bias energy to a bias electrode in each of a plurality of pulse periods. The high-frequency power source sets a source frequency of the source high-frequency power in each of a plurality of phase periods in each of a plurality of overlap periods overlapping the plurality of pulse periods, respectively, in accordance with a change in a degree of reflection. The degree of reflection is determined by using mutually different source frequencies in the same phase period within two or more preceding overlap periods.

The invention provides a near-infrared high-reflection structural color optical filter and a preparation method thereof, and relates to the technical field of optics, the near-infrared high-reflection structural color optical filter comprises a substrate, and a reflection layer, a first dielectric layer, a first absorption layer, a second dielectric layer, a second absorption layer and an anti-reflection layer which are sequentially formed on the substrate; the reflecting layer, the first dielectric layer and the first absorption layer form a first optical resonant cavity, and the first absorption layer, the second dielectric layer and the second absorption layer form a second optical resonant cavity; the absorptivity of the first absorption layer and the second absorption layer to visible light in a target color wavelength range is smaller than the absorptivity of the first absorption layer and the second absorption layer to visible light in a non-target color wavelength range, and the absorptivity of the first absorption layer and the second absorption layer to near-infrared light is smaller than a preset absorptivity threshold value. In this way, the two continuous asymmetric optical resonant cavities and the top anti-reflection layer are adopted, high-purity and high-brightness colors are achieved in the visible light range, the cooling function is achieved through the high reflectivity of the near-infrared band, cost is low, and the technology is simple.

A plasma processing apparatus includes a chamber, a substrate support portion, a high-frequency power source, and a bias power source. The substrate support portion has a bias electrode and is provided in the chamber. The high-frequency power source is configured to generate source high-frequency power in order to generate plasma in the chamber. The bias power supply is configured to periodically supply an electrical bias having a waveform period to the bias electrode. The high-frequency power supply is configured so that the source frequency of the source high-frequency power for each of a plurality of phase periods in the waveform period is set to a frequency obtained by adding a random noise and a frequency offset amount for suppressing reflection of the source high-frequency power to the source frequency of the same phase period in the preceding waveform period.

The first problem of the present invention is to provide a curable composition in which a cured film obtained by curing exhibits excellent adhesion and exhibits excellent low reflectivity to infrared light. A second subject of the present invention is to provide a light-shielding film, a solid-state imaging element, an image display device, and an infrared sensor. This curable composition contains a prescribed resin A, a prescribed resin B, a polymerizable compound, a pigment, and a photopolymerization initiator, the ratio of the content of the resin A to the total content of the resin A and the resin B being 0.30-0.50, and the ratio of the content of the polymerizable compound to the total content of the resin A, the resin B, and the polymerizable compound being 0.30-0.50.

The utility model belongs to the technical field of protection pads, particularly relates to a silica gel protection pad structure, and aims to solve the problems that a silica gel protection pad is serious in light reflection of a light source of a table lamp, poor in eye protection effect and affects use experience, and the silica gel protection pad is easy to shift on a table top and needs to be frequently adjusted in position. An extension frame is fixedly arranged on the periphery of the silica gel protection pad body, and the silica gel protection pad body is sequentially composed of an anti-skid layer, a silica gel body layer and an eye protection layer from bottom to top. The anti-blue-light layer and the point scattering type reflective film are arranged, eye fatigue and visual problems can be reduced, a light source can achieve a more comfortable eye protection effect, the silica gel protection pad body can be prevented from sliding and shifting through the extension frame, children can be prevented from colliding with table corners, and the safety of the children is improved. And after the silica gel protection pad body is rolled up, the silica gel protection pad body can be prevented from being scattered by sticking the hook-and-loop fastener hook surface and the hook-and-loop fastener loop surface, so that the silica gel protection pad body is convenient to store and place.

The utility model belongs to the technical field of LEDs, and discloses a novel quantum dot LED light source and an LED display screen, the novel quantum dot LED light source comprises a support, a blue light chip and a pouring layer, an installation space for accommodating the blue light chip is arranged in the support, the pouring layer is filled in the installation space and wraps the blue light chip, and the blue light chip is arranged in the installation space. The pouring layer comprises red light quantum dots, green light quantum dots and a copolymer, the copolymer wraps the red light quantum dots and the green light quantum dots, and according to the technical scheme, the packaging technology of the LED light source can be simplified, and the production efficiency and the light energy utilization rate can be improved.

This application provides a battery cell and a battery pack, relating to the field of battery technology. The battery cell includes: a housing, an electrode assembly, an end cap, terminals, and a conductive element. The electrode assembly is disposed within the housing; the end cap is connected to the housing; the terminals are disposed within the end cap; the conductive element is disposed within the housing, and is located on the side of the end cap near the electrode assembly. The conductive element is electrically connected to the electrode assembly, and the side of the conductive element near the end cap is welded to the terminals. A first embossed area is provided on the side of the conductive element away from the end cap. The first embossed area and the terminals are opposite each other. The first embossed area has multiple first grooves, each first groove being arranged circumferentially along the terminals and forming a closed structure. The multiple first grooves are concentrically arranged and spaced apart. The battery cell provided in this application increases the surface roughness of the conductive element, thereby reducing the reflectivity of the conductive element to laser light, which helps to improve the welding yield between the terminals and the conductive element, thus improving the electrical performance and safety of the battery cell.

A plasma processing apparatus disclosed includes a chamber, a substrate support section, a high-frequency power supply, and a bias power supply control section. The high-frequency power supply generates a generation-source high-frequency power to generate plasma in the chamber. The bias power supply periodically applies a bias energy having a waveform period to a bias electrode of the substrate support section. The high-frequency power supply adjusts a generation-source frequency of the generation-source high-frequency power during an nth phase period in an mth waveform period of a plurality of waveform periods, according to a change in a degree of reflection of the generation-source high-frequency power. The change in the degree of reflection is determined by using different generation-source frequencies from each other during the nth phase period in each of two or more periods before the mth waveform period.

The invention relates to the field of display, and particularly discloses a display panel and a display device.The display panel comprises a substrate, isolation layers are arranged on the substrate at intervals, a light-emitting layer is arranged between every two adjacent isolation layers, and electrode layers are arranged on the light-emitting layers and the isolation layers; the display panel further comprises a light absorption layer, and a plurality of reflecting parts are arranged between the light absorption layer and the electrode layer. A light-emitting area is formed between every two adjacent reflecting pieces. The light absorption layer comprises a first light absorption layer and a second light absorption layer, and the first light absorption layer and the second light absorption layer are arranged corresponding to the light emitting area; light absorption axes of the first light absorption layer and the second light absorption layer are different; the reflecting piece is used for reflecting external light penetrating through the first light absorption layer to the second light absorption layer and emitting the external light out of the second light absorption layer, or reflecting external light penetrating through the second light absorption layer to the first light absorption layer and emitting the external light out of the first light absorption layer. In this way, the influence of external environment light on the display panel is reduced, and the display effect of the display panel is improved.

The utility model provides a dual-band antenna and a communication device, the dual-band antenna comprises a first antenna and a second antenna which are arranged adjacently, the working frequency of the first antenna is greater than that of the second antenna, the first antenna is a full-wave dipole antenna, the first antenna comprises two first branches, and the first branches are connected with the second branch. The first antenna comprises two first branches, a first feeding point is arranged between the two first branches, the second antenna comprises two second branches, a second feeding point is arranged between the two second branches, and a guide opening for reducing the reflection effect of the second antenna on the first antenna is arranged between the two second branches. According to the dual-band antenna and the communication equipment provided by the utility model, the reflection effect of the second antenna at a high frequency band can be weakened through the arrangement of the guide opening, so that the omni-directivity of a directional diagram is better, and the average gain of a horizontal plane is improved. Moreover, the dual-band antenna does not use a mode cancelling dual-band antenna, so that the frequency band span of the dual-band antenna can be larger, and the dual-band antenna is not limited by modes.

The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel comprises a substrate, a light-emitting unit layer, a pixel definition layer, a packaging layer and a color filter layer. The light-emitting unit layer is provided with a plurality of light-emitting units, the light-emitting units are arranged on the substrate in an array mode, the pixel definition layer is arranged on the substrate, and every two adjacent light-emitting units are separated through the pixel definition layer; the packaging layer is arranged on the light emitting unit and the pixel definition layer; the color filter layer is arranged on the packaging layer; wherein a plurality of color filter points are arranged on the surface of one side, deviating from the substrate, of the color filter layer, and the color of the color filter points is different from that of the color filter layer at the same opening area or non-opening area; according to the scheme, by adding the color filter points on the color filter layer, glare is reduced, and the display effect of the display panel under strong light is improved.

The invention discloses sound-absorbing cotton for automotive interiors and a preparation process thereof, and relates to the technical field of automotive interiors, and the sound-absorbing cotton is prepared from the following components: polylactic acid, a surfactant, a heat stabilizer, nano porous particles, active calcium silicate, silicone oil and acetyl tributyl citrate. The sound-absorbing cotton prepared by the invention is an efficient sound-absorbing material, and can be better applied to automotive interiors, so that the noise reduction effect is improved. By means of the unique organization structure, sound transmission and reflection effects can be effectively absorbed and reduced, the noise reduction effect is improved, when sound waves enter the sound-absorbing cotton prepared through the method, friction and vibration effects can be generated between the fiber structure in the sound-absorbing cotton and air, then sound energy is converted into heat energy to be consumed, and through continuous consumption, the sound-absorbing cotton can be used for reducing noise. Excellent sound absorption and noise reduction effects are achieved.

The high-energy-efficiency COB light source structure comprises a substrate, a light source area is arranged on the upper surface of the substrate, a plurality of LED chips are arranged in the light source area of the substrate, a circle of box dam rubber ring surrounding the light source area is arranged on the upper surface of the substrate, and a plurality of fluorescent powder rubber layers are laid in the light source area of the substrate. The LED chips are arranged on the substrate, the fluorescent powder glue layer located at the bottommost layer wraps the LED chips, the difference value of the fluorescent powder emission wavelengths of every two adjacent fluorescent powder glue layers is larger than or equal to 50 nm, and the method at least comprises the following steps that a plurality of LED chips are welded in a light source area on the upper surface of the substrate, and a circle of box dam glue ring surrounding the light source area is arranged on the upper surface of the substrate; dispensing first fluorescent powder glue at the light source area of the substrate; rapidly settling fluorescent powder in the first fluorescent powder glue to the bottom of the first fluorescent powder glue by adopting a centrifugal process; dispensing second fluorescent powder glue at the light source area of the substrate; rapidly settling fluorescent powder in the second fluorescent powder glue to the bottom of the second fluorescent powder glue by adopting a centrifugal process; and high-temperature baking.

The utility model provides an infrared target device based on image dynamic displacement monitoring, which relates to the technical field of infrared targets and comprises an infrared lamp bead used for emitting infrared light. The shell is used for shielding visible light; the glass cover and the shell are assembled for use; the infrared lamp bead is fixed in the shell; the glass cover covers the shell; the infrared lamp beads face the glass cover; an antireflection film is arranged on the glass cover; a baffle with a black rough surface is also arranged in the shell; the black rough surface of the baffle faces the glass cover; the baffle is fixed with the shell; the position of the glass cover in the infrared target device is used as the front side of the infrared target device; the baffle is located on the rear side of the infrared lamp bead. The infrared target device based on image dynamic displacement monitoring provided by the utility model can solve the problem that infrared light emitted in the prior art can generate local change, and realizes the purposes of keeping the consistency of infrared light output, reducing the interference of visible light on infrared light detection and improving the accuracy of infrared light positioning.

The invention relates to the technical field of camouflage stealth equipment, and discloses a multiband compatible stealth system. The stealth system comprises a honeycomb wave-absorbing layer, a flame-retardant layer, a sponge layer, a photonic crystal layer and a visible light coating which are sequentially stacked together from the bottom layer to the surface layer. The flame-retardant layer is coated on the upper surface of the honeycomb wave-absorbing layer; the sponge layer is in equal-area fit with the flame-retardant layer by using a heat sealing process; the photonic crystal layer comprises base cloth and a photonic crystal coating electroplated on the surface of the base cloth, and the base cloth is attached to the sponge layer in an equal-area mode through a heat sealing technology; and the visible light coating is coated on the surface of the photonic crystal plating layer. The infrared-radar-laser compatible stealth camouflage function is achieved through the characteristics of low emissivity and high transmittance of the photonic crystal material, meanwhile, the light high-strength sponge material is loaded, the characteristics of a target heat source part are restrained, the infrared stealth function is enhanced, and in addition, on the premise that a low-emissivity metal material is not adopted, the infrared stealth function is achieved. The adverse effect of metal materials on color matching can be effectively avoided, and visible light compatibility is achieved.

The invention belongs to the technical field of doctor blade detection devices, and particularly relates to real-time doctor blade monitoring equipment for tipping paper preparation, which comprises detection equipment, and a detection instrument is arranged in the detection equipment to detect and analyze a doctor blade; the detection equipment comprises a rotary drum, the rotary drum is rotationally connected into the detection equipment, the rotary drum is connected with a motor arranged in the detection equipment, and a correction plate is arranged on the rotary drum; the winding plate drives the sticker to stretch out of the sealing door through the winding shaft and to be tightly attached to the upper half portion of the doctor blade, the sticker with light absorption coating is pasted to the side, facing the lamp, of the doctor blade, the correction plate coated with the light absorption coating is matched, the reflection effect of light emitted by the lamp on the doctor blade and the correction plate is reduced, and therefore the quality of imaging patterns is improved. Therefore, the detection equipment can more accurately analyze and detect the flatness of the doctor blade, the detection precision is improved, and the real-time monitoring effect of the doctor blade is further improved.

The invention relates to the technical field of display, and discloses an optical film layer which comprises a base material layer, a first optical layer, a second optical layer, an electrode layer and a liquid crystal layer, the base material layer is provided with a first surface and a second surface, the first optical layer comprises a first low-refractive-index layer and a first high-refractive-index layer which are sequentially and alternately arranged, the first surface is provided with the first high-refractive-index layer, and the second surface is provided with the second high-refractive-index layer. The first optical layer comprises first low-refractive-index layers and first high-refractive-index layers, the number of the first low-refractive-index layers and the number of the first high-refractive-index layers are 1-3, the second optical layer comprises second low-refractive-index layers and second high-refractive-index layers which are sequentially and alternately arranged, the second surface is provided with the second high-refractive-index layers, and the thickness of the first low-refractive-index layers is smaller than that of the second low-refractive-index The electrode layer is arranged on the surface of the side, away from the base material layer, of the second low-refractive-index layer, the liquid crystal layer is arranged on the surface of the side, away from the base material layer, of the electrode layer, and the first optical layer and the second optical layer are arranged on the two sides of the base material layer respectively, so that the overall light transmittance is improved. The invention further discloses an electronic device.

The invention relates to the technical field of building decoration engineering, in particular to a steel structure glass curtain wall which comprises a connecting rod, a supporting rod, a sliding groove, a glass substrate, a dimming layer, a conductive layer, a protection layer, a driving mechanism and an adjusting mechanism. The connecting rod is installed on the wall surface, the supporting rod is located below the connecting rod, the sliding groove is formed in the side wall of the connecting rod, and the glass substrate is arranged on the supporting rod; the glass substrate is installed behind the connecting rod and the supporting rod and located in the sliding groove, the dimming layer is installed on the front side of the glass substrate, the conductive layer is installed on the side face of the dimming layer, the protective layer is installed in front of the dimming layer, and the driving mechanism is installed in the supporting rod. The adjusting mechanism is installed between the glass substrate and the protective layer, the reflection angle of the glass curtain wall to sunlight is changed according to the principle that the deflection angle of the liquid crystal dimming glass is changed under the influence of voltage, and therefore the light pollution of the glass curtain wall is weakened, and meanwhile the sight line adjusting range of the glass curtain wall is widened.