7results about How to "Reduce reflexes" patented technology

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 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.

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.

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 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.