Abstract: Embodiments of the present disclosure disclose a method for calculating eddy current loss of a transformer, a storage medium and a device. The calculated eddy current loss of the transformer obtained by the method is relatively accurate, and the problem that in the relevant art, a coil temperature field cloud diagram under rated capacity of the transformer is influenced by electric conductivity of an iron core, so that the calculated eddy current loss is inaccurate is solved.

Abstract: The present disclosure discloses an anti-glare sunshade, which includes a slide rail, one side of the slide rail is provided with a slider, and an end of the slider is hinged with a polariscope via a first rotation mechanism. An end of one side of the slide rail facing away the slider is provided with a second rotation mechanism, and the slide rail is hinged with a clamp via a second rotation mechanism. The beneficial effect of the present disclosure is that the first rotation mechanism and the second rotation mechanism can rotate freely by providing the slide, so that a user can freely adjust a fixing position of the polariscope, thereby shielding sunlight shining from one side.

Abstract: A display panel and a display device are disclosed. The display panel includes a light-emitting functional layer and a color filter layer, and the light-emitting functional layer includes a plurality of pixel light-emitting units disposed at intervals. In a first display area, the color filter layer includes a first light-filtering layer and a first transparent planarization layer, the first light-filtering layer includes at least two first light-filtering units corresponding to the pixel light-emitting units by one to one, and the first transparent planarization layer fills gaps among the first light-filtering units adjacent to each other.

Abstract: A display panel and an electronic device are provided. The display panel includes a display touch zone and a side frame zone. The side frame zone includes a bending zone and a bonding zone. The display panel specifically includes a driving circuit layer, a light emission function layer, and a touch control function layer. The driving circuit is electrically connected, by means of the first conduction layer, to bonding terminals located in the bonding zone. The touch control circuit is extended, by means of the second conduction layer, across the bending zone and is then connected, by means of the first conduction layer to the bonding terminals of the bonding zone. The display panel of the application has a side frame of which a width is made smaller.

Abstract: A touch control screen and an electronic device are disclosed. The touch control screen includes: a plurality of touch control units disposed at intervals, wherein, a material of the touch control units is a transparent conductive material; and a plurality of touch control lead wires corresponding to and connected to the touch control units, wherein, at least one of the touch control units covers at least a part of a multiplexed functional area.

Abstract: A method and a system for generating single-sideband Raman light for cold atom interferometer through phase modulation are provided. The system includes a laser, an electro-optic modulator (EOM), a local microwave oscillator, a narrow-bandwidth optical-fiber filter, an optical-fiber power amplifier and a frequency doubling crystal. The laser has frequency of ? and is input to the EOM. The local microwave oscillator applies a modulation voltage with frequency of ? to the EOM and generate double-sideband frequency-modulated light with frequencies of ?±n?(n=0,1,2, . . . ). This light is filtered by the narrow-bandwidth optical-fiber filter, which outputs the target frequency light and is successively input to the optical-fiber power amplifier and the frequency doubling crystal and yields the single-sideband Raman light for cold atom interferometer.

Abstract: A single-laser light source system for cold atom interferometers, comprising: a reference light module including a narrow-bandwidth laser and a frequency stabilization module and an optical frequency shift module including a first electro-optic modulator and a first narrow-bandwidth optical-fiber filter. The first electro-optic modulator is connected to the first narrow-bandwidth optical-fiber filter by an optical fiber, and the first electro-optic modulator is connected to the laser by an optical fiber. The first electro-optic modulator receives an initial light from the laser, modulates the initial light by a modulation signal with a preset frequency, and generates sidebands with the preset frequency. The first narrow-bandwidth optical-fiber filter filters the optical signal at the output of the first electro-optic modulator to obtain a frequency-shifted light as the +1-order sideband.

Abstract: A single-laser light source system for cold atom interferometers, comprising: a reference light module including a narrow-bandwidth laser and a frequency stabilization module and an optical frequency shift module including a first electro-optic modulator and a first narrow-bandwidth optical-fiber filter. The first electro-optic modulator is connected to the first narrow-bandwidth optical-fiber filter by an optical fiber, and the first electro-optic modulator is connected to the laser by an optical fiber. The first electro-optic modulator receives an initial light from the laser, modulates the initial light by a modulation signal with a preset frequency, and generates sidebands with the preset frequency. The first narrow-bandwidth optical-fiber filter filters the optical signal at the output of the first electro-optic modulator to obtain a frequency-shifted light as the +1-order sideband.

Abstract: A display panel and a display device are disclosed. The display panel includes a light-emitting functional layer and a color filter layer, and the light-emitting functional layer includes a plurality of pixel light-emitting units disposed at intervals. In a first display area, the color filter layer includes a first light-filtering layer and a first transparent planarization layer, the first light-filtering layer includes at least two first light-filtering units corresponding to the pixel light-emitting units by one to one, and the first transparent planarization layer fills gaps among the first light-filtering units adjacent to each other.

Abstract: An organic light emitting diode (OLED) display panel and an electronic device are provided. The OLED display includes an under-screen camera display region and a normal display region surrounding the under-screen camera display region. A pixel density of the under-screen camera display region is less than a pixel density of the normal display region. By lowering the pixel density of the under-screen camera display region, and thereby raising a light transmittance of the under-screen camera display region, an under-screen camera and a true full screen display are realized.

Abstract: A display panel and a display device are provided. Moisture and oxygen can be effectively prevented from passing through an organic light emitting layer in a barrier area and entering the organic light emitting layer in a display area of the display panel by disposing the barrier area having a plurality of trenches between the display area and a through hole and forming a blocking structure through disposing a barrier block between adjacent trenches. In addition, the trenches can be set into a wavy shape, which can increase an area of the trenches and further increase a surface area of a packaging layer in the barrier area, so that intrusion of moisture and oxygen can be effectively blocked, thereby protecting the display area and improving stability of the display device.

Abstract: The present disclosure provides a method of manufacturing an electron source. The method includes forming one or more fixed emission sites on at least one needle tip, the fixed emission sites including a reaction product formed by metal atoms on a surface of the needle tip and gas molecules.

Abstract: A touch control screen and an electronic device are disclosed. The touch control screen includes: a plurality of touch control units disposed at intervals, wherein, a material of the touch control units is a transparent conductive material; and a plurality of touch control lead wires corresponding to and connected to the touch control units, wherein, at least one of the touch control units covers at least a part of a multiplexed functional area.

Abstract: The present disclosure discloses a display panel and a display module comprising a display area, a crack protection area surrounding the display area, and a cutting area located at a periphery of the crack protection area. A recess surrounding the display area is disposed in the crack protection area and the supporting member is located in the recess. The supporting member has a surface away from one side of the substrate, and the surface has a height defined in a direction perpendicular to the base substrate which is not higher than a height of a contact surface between the base substrate and the array layer in the direction perpendicular to the base substrate.

Abstract: A display panel and a manufacturing method thereof and a display device using the same are provided. The display panel includes a display region and a non-display region. The display panel includes a substrate, a plurality of thin film transistors (TFTs) and a planarization layer sequentially stacked and at least one buffer unit disposed between the planarization layer and the substrate, wherein the buffer unit is located outside the TFT. The buffer unit is positioned in the display region and used for buffering stress of the display panel during bending.

Abstract: An organic light emitting diode (OLED) display panel and an electronic device are provided. The OLED display includes an under-screen camera display region and a normal display region surrounding the under-screen camera display region. A pixel density of the under-screen camera display region is less than a pixel density of the normal display region. By lowering the pixel density of the under-screen camera display region, and thereby raising a light transmittance of the under-screen camera display region, an under-screen camera and a true full screen display are realized.

Abstract: The present disclosure discloses a display panel and a display module comprising a display area, a crack protection area surrounding the display area, and a cutting area located at a periphery of the crack protection area. A recess surrounding the display area is disposed in the crack protection area and the supporting member is located in the recess. The supporting member has a surface away from one side of the substrate, and the surface has a height defined in a direction perpendicular to the base substrate which is not higher than a height of a contact surface between the base substrate and the array layer in the direction perpendicular to the base substrate.

Abstract: A display panel and a manufacturing method thereof and a display device using the same are provided. The display panel includes a display region and a non-display region. The display panel includes a substrate, a plurality of thin film transistors (TFTs) and a planarization layer sequentially stacked and at least one buffer unit disposed between the planarization layer and the substrate, wherein the buffer unit is located outside the TFT. The buffer unit is positioned in the display region and used for buffering stress of the display panel during bending.

Abstract: A display panel and a display device are provided. Moisture and oxygen can be effectively prevented from passing through an organic light emitting layer in a barrier area and entering the organic light emitting layer in a display area of the display panel by disposing the barrier area having a plurality of trenches between the display area and a through hole and forming a blocking structure through disposing a barrier block between adjacent trenches. In addition, the trenches can be set into a wavy shape, which can increase an area of the trenches and further increase a surface area of a packaging layer in the barrier area, so that intrusion of moisture and oxygen can be effectively blocked, thereby protecting the display area and improving stability of the display device.

Abstract: The present disclosure provides a method of manufacturing an electron source. The method includes forming one or more fixed emission sites on at least one needle tip, the fixed emission sites including a reaction product formed by metal atoms on a surface of the needle tip and gas molecules.