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93results about How to "Avoid different" patented technology

Made-to-order system and preparation system for cosmetics

A made-to-order system for cosmetics (10) includes: color detection apparatus (12) for detecting a color of a detection object; input apparatus for inputting a color of a cosmetic to be prepared; blend ratio setting apparatus (14) for generating a blend ratio for preparing a cosmetic having the color that is input to the input apparatus, from a plurality of kinds of cosmetic compositions; and a cosmetic preparation apparatus (20) that prepares the cosmetic by discharging and mixing the plurality of kinds of cosmetic compositions by means of respective positive displacement pumps such that the blend ratio generated by the blend ratio setting apparatus (14) is achieved.
Owner:HEISHIN ENGINEERING & EQUIPMENT CO LTD

Short message original calling control gateway

The present invention discloses a short message original calling control gateway, comprising a signal processing pre-set device, a gateway service processing module, a gateway proxy module, and an operating and maintaining module. In the group network application of the short message system, it connects the short message calling control gateway with a number of different types of the short message centers of the ombile network. It realizes the share of the service load and backups for each other among the short message centers. It can uniform the user's short message center numbers and provide the system platform support for supervising and controlling the signal network. Adopting the short message triggering control gateway can use the initial short message center sufficiently and reduce the system cost, thus providing more convenient and reliable short messatge service for the terminal users.
Owner:ZTE CORP

Upgrading method and device of Kubernetes cluster, electronic equipment and medium

ActiveCN111258609AImplement in-place upgradesThe additional attribute information is the sameSoftware simulation/interpretation/emulationSoftware deploymentInterface (computing)Mirror image
The invention discloses an upgrading method and device of a Kubernetes cluster, electronic equipment and a medium and relates to the technical field of computers, in particular to the technical fieldof cloud computing. According to the specific implementation scheme, the method comprises the steps of obtaining a deletion request and new copy set information of an old application instance from acontrol manager through an interface server; wherein the deletion request and the new copy set information are determined when detecting that a container mirror image field of any deployment group isupdated, determining whether a target deployment group to which the old application instance belongs needs to be upgraded in situ; if in-situ upgrading is needed, upgrading the old application instance into a new application instance in a new replica set according to the new replica set information so as to upgrade the target deployment group; refusing the delete request. By the adoption of the scheme, in-situ upgrading of the old application instance Pod can be achieved, it is guaranteed that the additional attribute information of the new Pod and the old Pod is the same, and subsequent access abnormity is avoided.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

LED control apparatus

Method and apparatus for controlling an RBG based LED luminary which measures the output signals of filtered photodiodes and unfiltered photodiodes and correlates these values to chromaticity coordinates for each of the red, green and blue LEDs of the luminary. Forward currents driving the LED luminary are adjusted in accordance with differences between the chromaticity coordinates of each of the red, green and blue LEDs and chromaticity coordinates of a desired mixed color light.
Owner:SIGNIFY HLDG BV

Data storage method and device based on block chain

PendingCN109359973AAvoid differentAvoid the pitfall of not knowing which is trueFinancePayment protocolsParallel computingDistributed database
One or more embodiments of the present specification provides or provide a block chain based data storage method and apparatus. The method includes receiving a candidate block proposed by a target node, a block header of the candidate block including metadata of target data, and a block body of the candidate block including content of the target data. Initiating consensus processing on the candidate blocks; In response to the consensus result passed by the candidate block consensus process, the candidate block is stored as a newest block in a distributed database of the block chain to completedata storage of the target data.
Owner:ADVANCED NEW TECH CO LTD

AR-HUD image distortion correction method, device and system under dynamic eye position

ActiveCN111476104AImprove the distortion effectDifferent locationImage analysisCharacter and pattern recognitionImaging processingRadiology
The invention relates to an AR-HUD image distortion correction method, device and system under a dynamic eye position, and belongs to the technical field of image processing, and the method comprisesthe steps: selecting a plurality of eye positions in an eye position adjustable space range; respectively establishing a mapping relationship from points on a projection virtual image plane to pointson an original input image plane; for a certain eye position in the EyeBox at the current moment, estimating the linear weight coefficient of the image by utilizing the relative relationship between the image and the selected eye position, and estimating the mapping relationship from each point on the virtual image surface to the midpoint of the original input image under the current eye positionby utilizing the same weight coefficient, so that the image in the image plane to be input is solved, and the effect of distortion correction is achieved. The AR-HUD virtual image distortion correction method and device solve the problem that HUD virtual image distortion seen by different eye positions of a driver is different, and AR-HUD virtual image distortion correction under the dynamic eye position is high in precision and high in accuracy.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Optical apparatus

In an optical apparatus provided with: a variable focal length lens system including a plurality of lens units and performing magnification variation by moving at least one lens unit along the optical axis; and an image sensor that converts an optical image formed by the variable focal length lens system into an electric signal, the shutter is disposed to the object side of the most image side lens unit, the aperture stop that determines the f-number is disposed separately from the shutter, and a magnification variation range where the distance between the shutter and the aperture stop varies with magnification variation is provided.
Owner:KONICA MINOLTA PHOTO IMAGING

Method and system for detecting parking space states of parking lot

The invention provides a method and a system for detecting the parking space states of a parking lot. The detection method comprises the following steps of acquiring a first grayscale image of a parking lot in a non-vehicle state; converting the first grayscale image into a contour image; acquiring the regional information of each parking space according to the contour image, wherein the regionalinformation comprises the regional range and the position information of each parking space; acquiring a second grayscale image of the parking lot in the current state; performing contour detection oneach parking space in the second grayscale image according to the regional information, obtaining the sum of the contour area corresponding to each of all parking spaces through calculation, whereinthe sum of the contour area is the sum of the areas of all contours in the region of a certain parking space in the second grayscale image; respectively comparing the sum of all contours with a presetjudgment threshold value to obtain the idle state of each parking space in the parking lot in the current state. According to the invention, an idle parking space can be accurately fed back to the owner of a vehicle. Therefore, the owner can conveniently find the idle parking space, and the parking time is saved. The detection accuracy and the detection timeliness are improved.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Image ROI positioning method and device based on dimension invariant feature transformation during automobile instrument panel visual detection

InactiveCN104091325AAvoid different feature point setsGood robustness and ROI positioning effectImage analysisPoint setMahalanobis distance
The invention provides an image ROI positioning method and device based on dimension invariant feature transformation during automobile instrument panel visual detection, belongs to the field of image ROI positioning and aims at solving the problem that at present, an ROI positioning method based on a template is poor in effect. The image ROI positioning method comprises the steps of confirming ROI of detection item regions of a template image and an image to be detected, extracting feature point sets and feature vector sets of the template image and the image to be detected by adopting the image ROI positioning method based on the dimension invariant feature transformation, utilizing an Euclidean distance to perform initial matching on the template image and the image to be detected, using a Mahalanobis distance to screen matching point pairs, further obtaining transformation matrixes of matching points from the template image to the image to be detected, performing reconstitution on the ROI of the detection item regions of the image to be detected according to the transformation matrixes to obtain newest ROI and detecting the newest ROI to judge the positioning success situation. The image ROI positioning method and device is used for automobile instrument panel visual detection.
Owner:HARBIN INST OF TECH

Assembled hollow pier based on end plate welding and construction method of assembled hollow pier

The invention discloses an assembled hollow pier based on end plate welding and a construction method of the assembled hollow pier. The assembled hollow pier comprise pile foundations, cast-in-place bearing platform, prefabricated pier columns and prefabricated cap beams and is characterized in that the cast-in-place bearing platform is formed at the upper ends of the pile foundations in a cast-in-place manner and horizontally connected with the pile foundations; the prefabricated pile columns are vertically connected onto the cast-in-place bearing platform, each prefabricated pile column comprises an embedded pier column section partially embedded into the bearing platform and prefabricated pier column sections, and the prefabricated pier column sections are sequentially vertically weldedupwards to reach a set height and then connected with the lower end of the corresponding prefabricated cap beam. The assembled hollow pier has the advantages that the prefabricated pier column sections and the embedded pier column sections are prefabricated in a centralized manner, industrial production can be achieved, and construction quality can be increased; the embedded pier column sectionsare embedded by the aid of the cast-in-place bearing platform, pier column height differences in practical engineering are avoided by embedding depth change and modularizing prefabricated pier columnlengths, and modularized prefabricated pier column lengths are achieved.
Owner:CCCC SECOND HIGHWAY CONSULTANTS CO LTD

Display panel and display device

The embodiment of the invention provides a display panel and a display device, which relates to the technical field of display and improves the packaging effect and reliability of the display panel. The display panel comprises a display area, non-display area, a cathode layer and a negative power supply bus, wherein the non-display area includes a lower step area, the lower step area includes a sector area and a binding area, the sector area is provided with a fan-out wire, and the binding area is provided with negative power supply pads; the cathode layer includes a cathode connecting part located in the lower step area; the negative power supply bus is located in the lower step area; the lower step area further includes a cathode contact area, and the negative power supply bus is connected with the cathode connecting part in the cathode contact area; the lower step area is provided with a negative power supply connecting part, the negative power supply connecting part and the fan-outwire are arranged in different layers, the negative power supply connecting part is electrically connected with the negative power supply bus and one negative power supply pad; and the negative powersupply connecting part includes a plurality of first connecting parts which extend along a first direction and are arranged along a second direction, and there is an interval between two adjacent first connecting parts.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Method for supporting multiple browsers to communicate with local application program

The invention discloses a method for supporting multiple browsers to communicate with a local application program. The method comprises the steps of sending a request to an application system server by a browser; organizing request content and requesting a service to an auxiliary server by the application system server; constructing one user-defined URL based on the request content after successful authentication of the auxiliary server, and returning the user-defined URL to the browser through the application system server; further organizing the user-defined URL by the browser and calling a local application program in a webpage through a user-defined URL link; analyzing a URL parameter by the local application program and submitting the operation result to the auxiliary server; and returning the result to the browser by the auxiliary server through the application system server. The method for supporting multiple browsers to communicate with the local application program can meet the demand on interaction between the browser and the local application program and overcomes the problem of use inconvenience of users due to incompatibility caused by different kernels and different development technologies of the mainstream browsers.
Owner:广东省电子商务认证有限公司

Display panel and method for driving the display panel

The invention discloses a display panel and a method for driving the display panel. In the display panel, a plurality of pixels respectively including a plurality of sub pixels are arranged in a matrix form on a glass. Each of the plurality of sub pixels includes a driving circuit disposed on the glass and configured to receive a PAM data voltage and a PWM data voltage, and an inorganic light emitting device configured to emit a light based on a driving current provided from the driving circuit. The PAM data voltage is applied at once to the plurality of pixels included in the display panel. The driving circuit compensates a deviation between driving circuits included in each of the plurality of sub pixels based on a driving voltage of the driving circuit, and controls a pulse width of a driving current having an amplitude corresponding to the applied PAM data voltage based on the applied PWM data voltage so as to control a grayscale of a light emitted by the inorganic light emitting device.
Owner:SAMSUNG ELECTRONICS CO LTD +1

Pixel drive circuit and method, pixel array substrate and display panel

The invention discloses a pixel drive circuit and method, a pixel array substrate and a display panel. The pixel drive circuit is composed of a first transistor, a second transistor, a third transistor, a fourth transistor, a drive pipe, a storage capacitor and an organic LED. When the pixel drive circuit works at the light-emitting state of the organic LED, drive currents, used for driving the organic LED, generated by the drive pipe in a saturated condition are unrelated with the threshold voltages of the drive pipe, so that the drive currents can not be different due to different threshold voltages of the drive pipe, homogeneity of the drive currents of the organic LED can be improved, homogeneity of the brightness of the pixel array substrate comprising the pixel drive circuit is guaranteed, and furthermore the corresponding display panel has a better display effect.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Pixel driving circuit, display panel and display device

InactiveCN112102782AAvoid drive currents that differImprove display uniformityStatic indicating devicesGate voltageHemt circuits
The invention discloses a pixel driving circuit, a display panel and a display device. The pixel driving circuit comprises a driving transistor, a storage module, a data writing module, a first initialization module, a second initialization module and a light emitting device, the first initialization module is used for initializing a grid electrode of the driving transistor; the control end and the first end of the second initialization module are connected with the scanning signal input end of the pixel driving circuit, and the second initialization module is used for initializing the light-emitting device; the data writing module is used for writing data voltage into the grid electrode of the driving transistor; the storage module is used for storing gate voltage of the driving transistor; the driving transistor is used for outputting driving current according to the data voltage to drive the light-emitting device to emit light. The display uniformity of the display panel provided with the pixel driving circuit can be improved, meanwhile, the wiring difficulty of the display panel is reduced, and the display panel can achieve high refresh frequency or high PPI easily.
Owner:YUNGU GUAN TECH CO LTD

Method for measuring vascular diameter in coronary angiography image based on depth learning

The invention discloses a method for measuring the vascular diameter in a coronary angiography image based on depth learning. The method for measuring the vascular diameter in a coronary angiography image based on depth learning comprises the following steps: a DSA image processing module converts real-time acquired DSA image data into a data stream which can be processed by a subsequent module, and stores the data stream in a memory and sends the data stream to a depth network segmentation module. The depth network segmentation module segments the acquired DSA image data to distinguish the blood vessel pixel from the background pixel. The centerline extracting module extracts the blood vessel centerline from the blood vessel pixel image. The diameter calculation module calculates the measured diameter, the reference diameter and the stenosis rate of the blood vessel based on the segmented image and the blood vessel centerline. Compared with the PVA method, the invention has more objective results and avoids the differences between different doctors and different hospitals due to different interpretation methods. This method does not need manual intervention and is easy to operate.It can be used by doctors in coronary angiography and can provide objective reference for doctors to determine the degree of coronary stenosis.
Owner:北京红云智胜科技有限公司 +1

Reservoir operation dispatching diagram drawing method

ActiveCN104594282AFew samplesAvoid the problem of different scheduling graphs drawnHydraulic engineering apparatusDischargeWater supply
The invention discloses a reservoir operation dispatching diagram drawing method. The method comprises the following steps that 1, a conventional method is used for calculating breakage-proof water levels or water volumes, limited force discharge / water supply water levels or water volumes and abandoned water levels or water volumes in all time periods over the years; 2, the breakage-proof water levels or water volumes, the limited force discharge / water supply water levels or water volumes and the abandoned water levels or water volumes in all the time periods over the years are ranked; 3, a breakage-proof line, a limited force discharge / water supply line and an abandoned water line corresponding to the design dependability are extracted. According to the method, calculation is conducted year by year and time period by time period on the basis of inflow runoff length sequence data, and therefore the problem that dispatching diagrams drawn by different designers are different due to the fact that typical years and the selected number of years differ from person to person when calculation is conducted through a traditional typical year method is solved; meanwhile, all the time periods in all years are calculated, so the problem that a broken year is completely removed through a broken year removing method, and accordingly the number of water supply guarantee rate samples in all the time periods of the broken year is reduced is solved.
Owner:GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER

Production method for high-viscosity high-purity carboxymethylcellulose by using bamboo pulp as raw material

The invention provides a production method for high-viscosity high-purity sodium carboxymethylcellulose by using bamboo pulp as a raw material. The production method comprises the following steps of: carrying out an alkalization reaction and an etherification reaction to 5 parts of bamboo pulp by weight (the same below), 100 parts of 90% of ethanol aquifer based on volume by volume concentration, 5 to 8 parts of 30% of sodium hydroxide aqueous solution based on mass by mass concentration, and 7 to 10 parts of chloroacetic acid at an industrial level; washing via ethanol; pressing and filtering; parching; and crushing to obtain the finished product. The production method provided by the method is the first one to produce high-viscosity high-purity sodium carboxymethylcellulose through raw material with a low content of alpha-cellulose and a low degree of polymerization, and according to the high-viscosity high-purity sodium carboxymethylcellulose, the viscosity is more than 5000 mPas, and the purity is less than or equal to 0.1% based on the mass fraction of the chloride Cl. The production method is rich in raw material resources with low cost, so that the cost of production is greatly reduced. The reaction medium is hydrous ethanol and the washing solvent is the hydrous ethanol as well, so that problem of blending various organic solvents for use can be avoided, and the complex process for respectively recovering is saved. The production method has few processes, is energy-saving, time-saving and labor-saving, and has low production cost.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Secondary synchronous oscillation evaluation method and system based on wind energy HVDC outward delivery system

The invention provides a secondary synchronous oscillation evaluation method and system based on a wind energy HVDC outward delivery system; the method comprises the steps of establishing a power system model based on pre-established generator set model, wind power plant model and HVDC line model; and calculating the secondary synchronous oscillation risk of the electric power system based on thepower system model. According to the method, the secondary synchronous oscillation of the HVDC system by the wind power plant is added, so that the application range of the original standard is expanded, and the actual situation of the current power grid is better met; and whether a complex power system suffers from secondary synchronous oscillation or not can be primarily evaluated in a conditionthat HVDC conveys a large scale of wind power, so that the influence of the large wind power base and the HVDC on the power system can be effectively analyzed, the possibility of secondary synchronous oscillation of the system can be evaluated more accurately, and important significance on the safe and stable operation of an actual power system can be played.
Owner:CHINA ELECTRIC POWER RES INST +2

Intelligent route system and method based on distributed cluster framework

The invention relates to an intelligent route system and method based on a distributed cluster framework. The intelligent route system comprises a client end, a load equalizer, an interface network element, a sending network element and a gateway. The interface network element is used for carrying out route filtering on downlink mobile information pushed by the client end according to a selected route strategy. The sending network element is used for carrying out route filtering respectively on a state report and uplink mobile information pushed by the gateway. The load equalizer is used for selecting the corresponding route strategy according to newest route information in a shared storage and a service provider mode. The intelligent route system based on the distributed cluster framework is developed on a mobile information comprehensive platform, and the high-speed operation and concurrence of the mobile information data are ensured.
Owner:江西天利科技股份有限公司

Watch step-counting accuracy detection device capable of automatically leveling

The invention discloses a watch step-counting accuracy detection device capable of automatically leveling. The device comprises a driving motor, a mechanical counter, a vibration-reducing bottom column, a power indicator, a liquid crystal display, a speed control button, an emergency stop button, a device switching button, a control panel, non-slip supporting legs, a power connector, a detection device main body, a watch swing arm and a swing arm braking apparatus. The watch step-counting accuracy detection device disclosed by the invention is provided with the swing arm braking apparatus, during use of the watch step-counting accuracy detection device, after the driving motor is powered off to stop working, the watch swing arm simultaneously stops swinging, and the condition that the detection result is different from the accuracy value because the watch swing arm continuously swings due to inertia is avoided. According to the vibration-reducing bottom column arranged below the detection device main body, the device can be automatically adjusted to enable the detection device main body to be located in a horizontal state, and the detection result accuracy of the watch step-counting accuracy detection device is effectively improved.
Owner:ANHUI JINAIER ELECTRICAL APPLIANCE TECH

Dynamic scene spontaneous recovering method used for triplication redundancy computers

The invention discloses a dynamic scene spontaneous recovering method used for triplication redundancy computers. When a system works normally, the system is in a three-computer working mode. When one computer module breaks down, computer modules which work normally can conduct fault detection on the computer which breaks down and conduct degradation processing, and the system is changed to be in a double-computer working mode. Then, system reconfiguration recovery is conducted on the computer which breaks down, and the normal computers send reconfiguration data to the computer which breaks down through a three-computer communication interface. After reconfiguration is completed, the computer which breaks down reenters the system to recover normal work, so that the system recovers to be in the three-computer working mode, and the reliability of the system and the safety of the system are greatly improved. The dynamic scene spontaneous recovering method can solve the problems brought by the facts that at present, during triplication redundancy fault-tolerant computer reconfiguration recovery, different modes run in CPU boards and software running scenes change.
Owner:NO 513 INST THE FIFTH INST OF CHINA AEROSPACE SCI & TECH

High-light-effect and ultra-high-color-development high-voltage alternating-current warm white LED (light emitting diode) and acquisition method thereof

The invention provides a high-light-effect and ultra-high-color-development high-voltage alternating-current warm white LED (light emitting diode) and an acquisition method thereof. The LED comprises a substrate, tandem high-voltage LED bodies, a fluorescent cover and an alternating-current driving control circuit, wherein the number of the tandem high-voltage LED bodies is preset; the tandem high-voltage LED bodies are fixed on the substrate; each high-voltage LED body comprises a high-voltage red-light chip, a high-voltage blue-light chip and a green emitting phosphor packaging layer for packaging the high-voltage red-light chip and the high-voltage blue-light chip; the fluorescent cover is provided with a yellow emitting phosphor coating; space for accommodating the high-voltage LED bodies is formed by matching the fluorescent cover and the substrate; the alternating-current driving control circuit comprises a bridge rectifier circuit and two current adjustable modules; the current provided by an alternating-current power supply is divided into two channels of current by using the bridge rectifier circuit; the two channels of current are respectively supplied to the two current adjustable modules and serve as drivers of a blue-light group and a red-light group. The high-light-effect and ultra-high-color-development high-voltage alternating-current warm white LED is high in light effect, light rays are uniform, and light emergent directions are consistent.
Owner:SHANGHAI YAMING LIGHTING

Used battery carbon powder automatic recovery and processing device

The invention discloses a used battery carbon powder automatic recovery and processing device. The device comprises a body, wherein a driving space is formed in the body, a treatment space is arrangedat the right side of the driving space, a discharging space provided with an upward opening is arranged at the upper side of the treatment space, a transmission space is arranged at the left side ofthe treatment space, the right side of the treatment space communicates with a waste outlet provided with a rightward opening, an extrusion space is arranged at the lower side of the treatment space,and a fetching port provided with a forward opening is arranged at the front side of the extrusion space. According to the device, used batteries are effectively classified firstly; and in the breaking process, compared with a traditional breaking method, the situation that different used batteries are subjected to a chemical reaction in the crushing process due to different chemical components isavoided, and the safety in the crushing process is greatly improved; meanwhile, reaction damage to other recovered substances in the used batteries is avoided, and the recovery and utilization rate is greatly increased; and moreover, carbon powder is recovered and processed to provide an absorbent for some factories which generate nitrogen oxide gases.
Owner:姚莉萍

Method and system for analyzing thermal runaway gas production of lithium ion battery containing hydrofluoric acid

The invention discloses a method and system for analyzing thermal runaway gas production of hydrofluoric acid-containing lithium ion battery, relates to a lithium ion battery, and aims to solve the problem that a large amount of sample gas needs to be consumed in the process that a special gas absorption cell needs to be filled with gas and air in the gas absorption cell needs to be completely exhausted in a spectral absorption test. According to the method for analyzing the thermal runaway gas production of the lithium ion battery containing the hydrofluoric acid, the sample gas is transferred by adopting a two-step method, so compared with the prior art, the use amount of the sample gas is effectively reduced, and a gas production analysis result is prevented from being interfered. According to the invention, the gas sampling, detection and tail gas treatment are continuously carried out, and the convenience and safety of sample gas transfer are improved.
Owner:ZHEJIANG UNIV

Electric programmable fuse structure

The invention provides an electric programmable fuse structure. According to the electric programmable fuse structure provided by the invention, an elliptical cathode region, which is different from a rectangular or square cathode region generally adopted by the prior art, is adopted by the electric programmable fuse structure, a fuse connecting region is connected to an elliptical short shaft end point, thus the situation that bursting residue is borne to the maximum by adopting smaller cathode region area is realized, the residue is not easy to splash into a surrounding circuit, and the electric programmable fuse structure is beneficial for device miniaturization as the area is smaller.
Owner:SEMICON MFG INT (SHANGHAI) CORP

High photosynthetic efficiency high-voltage alternating-current white light LED (light emitting diode) module and white light acquiring method

The invention provides a high photosynthetic efficiency high-voltage alternating-current white light LED (light emitting diode) module and white light acquiring method in different mesopic vision environments. The LED module comprises a substrate, high-voltage LEDs and an alternating-current drive control circuit, wherein the high-voltage LEDs of preset quantity which are connected in serial are fixed on the substrate; each high-voltage LED comprises a high-voltage blue light chip, a high-voltage orange light chip and an encapsulation layer which is used for encapsulating the high-voltage blue light chip and the high-voltage orange light chip and contains green fluorescent powder; among the serially-connected high-voltage LEDs, the high-voltage blue light chip and the high-voltage blue light chip are connected in series to form a blue light group, and the high-voltage orange chip and the high-voltage orange light chip are connected in series to form an orange group; the alternating-current drive control circuit comprises a bridge-type rectifying circuit, a constant current module and a current adjustable module; the current provided by an alternating-current power supply is divided by the bridge-type rectifying circuit into two circuits, the two circuits of current are respectively supplied to the constant current module to be used as the drive of the blue light group and to the current adjustable module to be used as the drive of the orange light group so as to independently adjust the drive current of each high-voltage orange light chip; the module has ultrahigh mesopic vision light efficiency in different mesopic vision environments.
Owner:SHANGHAI YAMING LIGHTING

Display panel, power supply method thereof and display device

PendingCN112053659AAffect brightnessEliminate power supply differencesStatic indicating devicesComputer hardwareDisplay device
The invention relates to a display panel, a power supply method thereof and a display device. The display panel comprises a first group of power lines, a second group of power lines, a third group ofpower lines, a driving chip, a switching circuit and a light-emitting element, wherein the driving chip comprises a power supply module; one end of the first group of power lines is electrically connected with the light-emitting element, and the other end of the first group of power lines is electrically connected with the switching circuit; one end of the second group of power lines is electrically connected with the power supply module while the other end of second group of power lines is electrically connected with the switching circuit; one end of the third group of power lines is electrically connected with power supply module, and the other end of the third group of power lines is electrically connected with the switching circuit; and the switching circuit outputs a first electric signal transmitted on the second group of power lines to the first group of power lines in a screen-off display mode, and outputs a second electric signal transmitted on the third group of power lines to the first group of power lines in a normal display mode. According to the embodiment of the invention, the brightness of the display panel in the screen-off display mode in the debugging stage can be prevented from being different from the brightness of the display panel in the screen-off display mode in the complete machine stage.
Owner:BOE TECH GRP CO LTD +1
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