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179 results about "Visual comfort probability" patented technology

Visual comfort probability (VCP), also known as Guth Visual Comfort Probability, is a metric used to rate lighting scenes. It is defined as the percentage of people that will find a certain scene (viewpoint and direction) comfortable with regard to visual glare. It was defined by Sylvester K. Guth in 1963.

Dynamic ambient light adaptive OLED display optimization method and system

The invention relates to the technical field of display, and particularly discloses a dynamic ambient light adaptive OLED display optimization method and system, and the method comprises the steps: obtaining an ambient light time sequence data set of an environment where an OLED display screen is located, and synchronously obtaining real-time display parameters and historical brightness adjustment data of the display screen; acquiring ambient light sensing features according to the ambient light time sequence data set; obtaining photo-thermal structure coverage area data of the OLED display screen according to the real-time display parameters; and acquiring preliminary optimization parameters according to the ambient light sensing characteristics and the photo-thermal structure coverage area data. According to the invention, illumination intensity, spectrum drift and contrast change are captured in real time in combination with ambient light perception characteristics, the one-sidedness of adjustment only according to brightness traditionally is solved, reflection can be reduced through photothermal structure deformation under strong light, brightness can be improved to offset interference, and human visual characteristics can be matched under weak light. And the display definition and the visual comfort in different environments are effectively improved.
Owner:SHENZHEN DECHENGXIN TECHNOLOGY CO LTD

Intelligent self-adaptive eye protection display system

The invention relates to the technical field of display, and particularly discloses an intelligent self-adaptive eye protection display system which sequentially comprises a content analysis module, an ambient light detection module, an eye protection parameter calculation module, a display parameter adjustment module and a user feedback module. The system identifies the screen content type and the dynamic degree in real time, synchronously detects the ambient light intensity and the color temperature, obtains the optimal combination of the blue light proportion, the brightness, the contrast ratio, the color temperature and the sharpness through a multi-target optimization model, and smoothly adjusts the display through driving; a user can score, finely adjust and mark a scene, and feedback data enters a self-learning engine to iteratively update a parameter weight so as to form a content-environment-user closed loop. The system can significantly reduce blue light harm and improve visual comfort without external hardware.
Owner:JIANGSU YUANTAI PRECISION INSTRUMENT CO LTD

Short video content accurate recommendation system based on artificial intelligence image recognition

The invention discloses a short video content accurate recommendation system based on artificial intelligence image recognition, particularly relates to the technical field of short video personalized recommendation, and is used for solving the problem of matching of user interest and visual bearing capacity. The method comprises the following steps: extracting short video key frame spatial-temporal characteristics through a multi-scale convolutional neural network, constructing a cognitive load threshold curve in combination with a user micro gesture sequence, representing the tolerance range of a user to visual complexity in different time periods, and generating a visual complexity vector; calculating a visual load matching index by using an adaptive dynamic warping algorithm, and adjusting a candidate video sequence through a load penalty factor to generate an initial recommendation probability; modeling a user dynamic interest vector based on a gated loop unit network in combination with an attention mechanism; and finally, user interests and video semantics are fused through multi-dimensional features, a final recommendation list is generated through a multi-objective optimization algorithm under the constraint of visual load, and personalized recommendation of interest matching degree maximization and visual comfort optimization is realized.
Owner:ANHUI JUYUN ZHONGLIAN NETWORK TECHNOLOGY CO LTD

Multi-point out-of-focus management method for intelligent training glasses

PendingCN121276813AEye exercisersOptical partsCentral visionData acquisition
The invention discloses a multi-point defocus management method for intelligent training glasses, and particularly relates to the technical field of defocus management, and the method comprises the following steps: S1, data collection; s2, scene recognition and intention judgment; s3, generating a dynamic defocusing scheme; s4, performing out-of-focus stimulation presentation; and S5, performing effect evaluation and adaptive adjustment. Original isolated eye movement tracking, scene recognition and adjustable optical technologies are organically connected in series through an intelligent decision-making core, an autonomous system capable of managing defocus like automatic driving is formed, the fundamental pain point that a traditional technology is static and rigid and cannot adapt to the dynamic requirement of a user is solved, and the user experience is improved. According to the invention, qualitative change of defocus stimulation from fixing to following is realized, it is ensured that the defocus stimulation can continuously and accurately act on the most critical area of the retina, meanwhile, the definition of the central view is ensured to the maximum extent, the contradiction between the defocus effect and the visual comfort is solved, and accurate intervention is realized.
Owner:睿眼芯科技(广东省横琴)有限公司

Display color temperature dynamic optimization method and system based on ambient light and content recognition

The invention discloses a display color temperature dynamic optimization method and system based on ambient light and content recognition, and relates to the technical field of display regulation and control, and the method comprises the steps: obtaining an ambient light parameter of an environment where a display screen is located in real time; determining the type of the display content and content feature distribution; determining a preset reference color temperature parameter; in combination with a visual comfort model corresponding to the display content type, performing content adaptability correction on the reference color temperature parameter to generate a dynamic optimized color temperature parameter; carrying out regionalized weight distribution on the dynamic optimization color temperature parameters; and generating a color temperature regulation and control instruction of each pixel region of the display screen based on a regionalized weight distribution result, and driving a backlight module to execute regional color temperature adjustment. Through a multi-dimensional cooperation mechanism of ambient light adaptive compensation, content feature driven optimization, regionalized weight distribution and physiological feedback closed-loop regulation and control, dynamic and accurate adaptation of the color temperature of the display screen is realized, the visual comfort and the color expressive force are remarkably improved, and the visual fatigue occurrence rate is reduced.
Owner:CHANGCHUN INST OF ELECTRONIC TECH

Corrective lens for XR product and manufacturing method thereof

ActiveCN120779603AOptical partsOptical elementsCorrective contact lensImaging quality
The invention discloses a vision correction lens for an XR product and a manufacturing method thereof.The lens comprises a front surface and a rear surface, the front surface is arranged to be a plane, the rear surface is arranged to be a curved surface, and the manufacturing method specifically comprises the steps that S1, a three-dimensional human eye eyeball simulation model containing human eye structure features is constructed, establishing a lens-eyeball combined optical model; s2, optimizing the integrated structure of the lens and the waveguide; s3, sampling lens grid data points point by point; s4, constructing a target evaluation function MF and optimization parameters; s5, correlation coefficients are calculated, and lens and free ring curved surface profiles are constructed; according to the invention, the difference between the natural light and the light from the XR waveguide sheet in wavelength and light component is particularly distinguished, the problem of image distortion at the edge of the field of view under a large visual angle can be obviously improved, and the image quality and visual comfort of the XR glasses are effectively improved on the premise of ensuring the vision correction function, so that the vision correction effect is improved. And the integrated structure of the lens and the waveguide is simplified.
Owner:JIANGSU CONANT OPTICS CO LTD +1

Asymmetric scattering myopia control lens based on visual behaviors of human eyes

The invention relates to an asymmetric scattering myopia control lens based on human eye visual behaviors, which is applied to the technical field of eye vision optics, and has the design core that an asymmetric visual behavior mode shown by human eyes in an actual visual task is deeply integrated into the optical design of the lens. Therefore, an asymmetric optical structure with scattering intensity distribution highly matched with individual visual habits is constructed. According to the lens, scattering characteristics can be accurately configured in a specific area of the lens according to a preset human eye visual behavior data model, especially in the lower half part of the lens, namely a visual field area corresponding to near-distance tasks such as near-distance reading, writing or electronic equipment use of a wearer; the scattering intensity is higher than that of the upper half part (corresponding to a far task view field area), so that the myopia control efficiency is remarkably improved, and meanwhile, the visual comfort and definition of a wearer are effectively considered.
Owner:南通诺瞳奕目医疗科技有限公司 +1

Display equipment brightness dynamic adjustment method and system based on human factor engineering

The invention discloses a display equipment brightness dynamic adjusting method and system based on human factor engineering, and belongs to the field of liquid crystal display. Aiming at the problems of human eye perception deviation and visual fatigue caused by the fact that traditional display equipment depends on a fixed Gamma curve, an eye movement tracking module and an ambient light sensor are integrated to collect physiological signals and ambient light parameters of a user in real time, and a brightness perception nonlinear function is constructed in combination with the Weber-Fechner law; and brightness curve parameters are dynamically optimized by using a deep reinforcement learning algorithm, so that environment adaptive adjustment of the Gamma value is realized. According to the method, through real-time fusion of multi-modal physiological signals and environmental data, in combination with a human eye visual perception model and a deep reinforcement learning algorithm, a dynamic self-adaptive brightness mapping system is constructed, and triple breakthrough of visual comfort, energy efficiency and image quality of display equipment in a complex scene is realized on the premise that hardware architecture does not need to be changed.
Owner:SHI-CHENG LABORATORY FOR INFORMATION DISPLAY & VISUALIZATION +1

Image display method of naked eye 3D large screen

The invention discloses an image display method for a naked-eye 3D large screen, and particularly relates to the technical field of intelligent display, which comprises the following steps of: firstly, acquiring and tracking the positions of eyes of multiple audiences in front of the screen in real time through a depth camera network, and distributing a unique ID (Identity) for each audience to realize continuous tracking; thirdly, dividing the audiences into a plurality of visual areas based on a dynamic clustering algorithm, and calculating the rendering priority of each visual area according to the number of the audiences in each visual area and the importance of the content of the concerned screen; then, left and right eye views with correct parallax are rendered in parallel for each activated visual area, and digital pre-compensation is performed by using a pre-stored optical model so as to suppress crosstalk and uneven brightness; and finally, according to the distance and angle of the visual area of the audience, querying the human factor engineering database to obtain a comfortable parallax threshold, and dynamically compressing the extreme depth of field exceeding the threshold in the scene. According to the invention, multi-audience self-adaptive high-quality 3D display is realized, and the watching experience, the resource utilization efficiency and the visual comfort are effectively improved.
Owner:XIXIAN TECH CO LTD

Method for generating prescription of optical stable photochromic multi-point out-of-focus myopia control lens

The invention relates to the technical field of multi-point defocusing, in particular to an optical stable photochromic multi-point defocusing myopia control lens prescription generation method, which comprises the following steps of: based on eyes of a wearer, scanning cornea by using a non-contact optical device, extracting iris and pupil characteristics, monitoring an adjustment reaction, and performing three-dimensional reconstruction and multi-direction light path tracking analysis to obtain a myopia control lens prescription. And the distribution configuration of the annular belt is optimized, and the overlapping area is adjusted by combining the photochromic requirement, so that the fusion function partition structure is formed. Through collection of multi-source visual parameters and combination of spatial modeling and focusing path analysis, cut-through association of individual visual behaviors and structural attributes in lens customization is realized, functional requirements of different areas and photochromic response are dynamically fused through hierarchical adjustment of the spatial structure of an intervention area, and the visual performance of the lens is improved. And the material and microstructure data are synchronously output to a manufacturing link, so that the collaborative matching capability of the visual area partition is enhanced, and the requirements of a wearer on visual comfort and optical reaction are met.
Owner:南通诺瞳奕目医疗科技有限公司 +1

Multi-focal near-to-eye display holographic optical element and preparation method and device thereof

The invention discloses a multi-focal near-to-eye display holographic optical element and a preparation method and device thereof. The element adopts a composite structure of a substrate, a multi-focal correction layer and a holographic recording layer, a holographic grating accurately matched with each optical partition of the correction layer is formed in the recording layer through a partition exposure technology, and multi-depth virtual image display and user refraction correction functions can be realized at the same time. The preparation device comprises a coherent light source, a beam splitter, a diffusion plate, a focal plane displacement system, a mask component and a master controller, and partition exposure is realized through cooperative control. The problem that traditional near-to-eye display cannot meet multi-focus display and refraction correction at the same time is solved, a user can clearly perceive fused multi-depth virtual information and a real environment without additionally wearing glasses, the visual comfort and experience are remarkably improved, and the method is suitable for AR / VR and other head-mounted display devices.
Owner:SHANGDA UNIVERSAL INTELLIGENT ROBOT RESEARCH INSTITUTE BAOSHAN DISTRICT SHANGHAI

Full-color LED screen optical adjustment and intelligent energy-saving detection method

The invention discloses a full-color LED screen optical adjustment and intelligent energy-saving detection method, and relates to the field of LED screen adjustment and energy saving. Ambient light data is collected through a bionic distributed sensor network, and features such as illumination intensity and color temperature are extracted through PCA dimension reduction; constructing a human eye visual perception model based on the CIE chromaticity diagram, and introducing a visual adaptation factor to dynamically adjust color gamut mapping; dividing a screen dimming area, and calculating an optimal brightness value by adopting a local contrast enhancement algorithm; the RGB ratio is optimized through a genetic algorithm, and the color difference between the mixed spectrum and the target color gamut is minimized; power consumption is monitored in real time, an energy consumption prediction model is established, and an optimization strategy is triggered when a predicted value exceeds a threshold value. The color gamut coverage rate is high, the local contrast ratio is excellent, and the comprehensive energy-saving rate is greatly improved; blue light harm is reduced, screen flicker is eliminated, the visual comfort is improved, the functions of peep prevention and block chain energy consumption evidence storage are achieved, and the display quality, the energy efficiency performance and the use safety of the LED screen are comprehensively improved.
Owner:SHANGHAI FANGWEI ENVIRONMENTAL ENG CO LTD

Method for generating prescription of optical stable photochromic multi-point out-of-focus myopia control lens

The invention relates to the technical field of multi-point defocusing, in particular to an optical stable photochromic multi-point defocusing myopia control lens prescription generation method, which comprises the following steps of: based on eyes of a wearer, scanning cornea by using a non-contact optical device, extracting iris and pupil characteristics, monitoring an adjustment reaction, and performing three-dimensional reconstruction and multi-direction light path tracking analysis to obtain a myopia control lens prescription. And the distribution configuration of the annular belt is optimized, and the overlapping area is adjusted by combining the photochromic requirement, so that the fusion function partition structure is formed. Through collection of multi-source visual parameters and combination of spatial modeling and focusing path analysis, cut-through association of individual visual behaviors and structural attributes in lens customization is realized, functional requirements of different areas and photochromic response are dynamically fused through hierarchical adjustment of the spatial structure of an intervention area, and the visual performance of the lens is improved. And the material and microstructure data are synchronously output to a manufacturing link, so that the collaborative matching capability of the visual area partition is enhanced, and the requirements of a wearer on visual comfort and optical reaction are met.
Owner:南通诺瞳奕目医疗科技有限公司 +1

Brightness control method and apparatus, device, and storage medium

The present application provides a brightness control method and apparatus, a device, and a storage medium. The method comprises: firstly, acquiring a current manual brightness adjustment level of a display screen of a vehicle; on the basis of the current manual brightness adjustment level, obtaining a corresponding manual adjustment brightness signal and then determining whether a brightness automatic adjustment function of the display screen is in an on-state; and if so, when a change in environmental brightness is detected, on the basis of a combination of the manual adjustment brightness signal and a brightness detection signal of a brightness sensor, automatically adjusting the backlight brightness of the display screen. When a change in environmental brightness is detected, the backlight brightness of the display screen is adaptively adjusted by means of the brightness automatic adjustment function on the basis of supporting the manual adjustment of the backlight brightness of the display screen, which overcomes the defect of poor visual experience caused by fixed manual brightness levels and automatic brightness calibration in the related art, thereby improving the driving and riding visual experience when a driving scenario changes, and ensuring that users obtain better visual comfort.
Owner:ECARX (HUBEI) TECHCO LTD

XR equipment-oriented asynchronous space and time warping rendering system

PendingCN121837476A3D-image renderingTime distortionGraphics
The invention discloses an asynchronous space and time warping rendering system for XR equipment. The asynchronous space and time warping rendering system comprises an attitude prediction module, an asynchronous warping processing module, a synthesis and output module and a monitoring and feedback module. According to the method, space warping and time warping are decoupled from a main rendering thread, an independent asynchronous warping processing assembly line is constructed, interference of warping calculation on main rendering performance can be effectively isolated, and the stability of an application rendering frame rate is ensured; according to the system, through dynamic monitoring of rendering load and prediction precision, distortion parameters and execution strategies are adaptively adjusted, and on the premise of ensuring visual quality, perception delay can be significantly reduced and frame rate output can be smoothed; according to the method, a layered buffering and synthesizing mechanism is adopted, the problem of inter-frame asynchronization or tearing possibly caused by asynchronous execution is reduced, image coherence and visual comfort in a high-dynamic motion scene are improved, and meanwhile the overall utilization rate of graphic processing hardware is increased.
Owner:BEIJING JUNHE CHUANGXIANG TECH DEV CO LTD

Multi-scale infrared polarization image enhancement method based on MSD-PCNN

The invention discloses a multi-scale infrared polarization image enhancement method based on MSD-PCNN, and relates to the technical field of infrared image processing, and the method comprises the steps: firstly, carrying out the multi-scale and multi-direction decomposition of an input intensity image I and a polarization feature map DoLP based on NSST, and obtaining a low-frequency sub-band and a high-frequency sub-band; secondly, according to the obtained low-frequency sub-band, designing a low-frequency sub-band fusion rule based on distance difference perception; and finally, according to the obtained high-frequency sub-band, designing a high-frequency sub-band fusion rule based on MSD-PCNN, and fully extracting texture and edge detail features. According to the MSD-PCNN-based multi-scale infrared polarization image enhancement method provided by the invention, redundant information interference is suppressed, the hierarchical definition of an image structure is improved, and meanwhile, the visual comfort and global naturalness of a fused image are also improved.
Owner:HEFEI SHIZHAN OPTOELECTRONICS TECH CO LTD

Partitioned scattering optical lens for myopia control and design method thereof

ActiveCN121364570AOptical partsCentral visionQuality of vision
The invention discloses a partitioned scattering optical lens for myopia control and a design method of the partitioned scattering optical lens, which are applied to the technical field of optics, and aims to solve the problem that the central visual quality and the peripheral myopia control effect cannot be considered at the same time in the prior art, the optical lens comprises a central optical region, a peripheral optical region and a smooth transition zone, the central optical area is low in scattering coefficient and high in MTF, a high modulation transfer function and low scattering loss are achieved, the peripheral optical area is high in scattering coefficient and low in MTF, the central optical area is used for inducing peripheral myopic defocus, the smooth transition area is used for achieving continuous gradual change of the scattering coefficient, visual sudden change is avoided, and visual comfort is ensured. The design method comprises the steps of eye parameter acquisition, optical performance target definition, microstructure design and simulation optimization, through the scheme, effective decoupling of central vision and peripheral myopia control is achieved, high-definition vision is ensured, myopia progress is restrained, and wearing comfort is improved.
Owner:南通诺瞳奕目医疗科技有限公司 +1

Light environment ergonomics visual comfort evaluation method based on human intelligence, edge computing device and medium

The invention discloses a light environment ergonomics visual comfort evaluation method based on human intelligence, an edge computing device and a medium. The light environment visual comfort evaluation method comprises the steps of obtaining light environment data for a light environment scene where a user is located; inputting the light environment data into at least one trained visual prediction model for visual comfort correlation analysis to obtain a visual comfort correlation structure corresponding to the light environment data; determining a target visual prediction model based on the visual comfort correlation structure; the light environment scene where the user is located is analyzed through the target visual prediction model, the visual comfort evaluation result is output, and by applying the method, the reliability, accuracy and effectiveness of light environment ergonomics visual comfort evaluation can be improved.
Owner:KINGFAR INTERNATIONAL INC

Tunnel light environment dynamic dark adaptation experiment method based on driver view

The invention discloses a tunnel light environment dynamic dark adaptation experiment method based on driver view, and relates to the technical field of tunnel illumination, and the method comprises the steps: collecting the view data and behavior data of a driver, obtaining the perception data of the driver in real time, and obtaining a driver view behavior data set; through a light source configuration strategy, tunnel illumination changes are simulated in combination with the virtual reality environment, experiment simulation is conducted, the visual adaptation process of a driver is evaluated, and virtual reality experiment evaluation data are obtained; and based on virtual reality experiment evaluation data, analyzing a visual adaptation condition of a driver and feeding back and adjusting a light source configuration strategy, obtaining a light adaptation strategy, and combining real-time driver feedback data and light environment changes to generate a light adaptation adjustment scheme. The visual comfort, alertness and safety of the driver are improved, the fatigue feeling caused by uncomfortable illumination is reduced, and the safety and comfort of tunnel driving are effectively improved.
Owner:CHINA OVERSEAS CONSTR LTD +1

A visual comfort performance regulation method for intelligent sunshade louvers based on dynamic programming algorithm

The application provides a visual comfort performance regulation method for intelligent sunshade louvers based on a dynamic programming algorithm.The method comprises the following steps: step 1, collecting potential influencing factors of light environment visual comfort performance and visual comfort evaluation index values, and constructing an office space light environment visual comfort dataset; step 2, training a random forest model algorithm in machine learning by using the dataset in step 1, and completing construction of a light environment visual comfort index prediction model; and step 3, using the light environment visual comfort index prediction model in step 2, constructing a sunshade regulation intelligent agent based on dynamic programming, and completing intelligent sunshade louver visual comfort performance regulation based on the dynamic programming algorithm. The application comprehensively considers various factors of the light environment and visual comfort evaluation indexes, and realizes intelligent regulation of the sunshade louver by means of the dynamic programming algorithm, so that the visual comfort demand of people in different light environments can be met to the greatest extent, and the visual comfort degree of the indoor light environment is effectively improved.
Owner:HARBIN INST OF TECH

Information processing method and device, equipment and medium

The invention provides an information processing method and device, equipment and a medium. The method comprises the steps that the stroboscopic frequency of ambient light is determined; determining a first exposure parameter according to the stroboscopic frequency of the ambient light; determining the brightness fluctuation state of the ambient light according to the first exposure parameter; determining a target multiple value corresponding to the stroboscopic period of the ambient light according to the brightness fluctuation state of the ambient light; and outputting the multimedia content according to the target multiple value and the stroboscopic period of the ambient light. The stroboscopic phenomenon can be reduced or even eliminated, so that the output image quality of related content is optimized, the visual comfort of human eyes is improved, and eye fatigue is relieved.
Owner:BEIJING PICO TECH

84-bead operation illuminating lamp

The utility model discloses an 84-bead operation illuminating lamp, relates to the technical field of medical instruments, and solves the problems that an existing operation illuminating lamp usually only generates one kind of white light during use, and can cause visual fatigue of medical staff and reduce the concentration ratio of vision during long-term use, and the 84-bead operation illuminating lamp comprises a first mechanical wall connected with a cantilever, one end of the first mechanical wall is rotationally connected with a second mechanical wall; during use, the distribution state of the yellow bulbs and the white bulbs can improve the adjustment of color temperature, the green light compensation function of the green bulbs can relieve the visual fatigue of medical staff in a long-time operation, the stimulation of green light waves to eyes is relatively small, the attention and the working efficiency of the medical staff can be kept, and the medical staff can be prevented from being damaged. According to the function, a green operation environment is created, visual fatigue can be relieved, and medical workers can keep good visual comfort and concentration degree in the long-time operation process.
Owner:SHANGHAI HUIFENG MEDICAL INSTR

Vehicle window glass and vehicle

Provided in the present application are vehicle window glass and a vehicle. The vehicle window glass comprises laminated glass and an anti-reflection layer, wherein the vehicle window glass has a signal transmission area, and the projection of the anti-reflection layer in the signal transmission area at least completely covers the signal transmission area; when observed from the outside of a vehicle, a reflection color, on the vehicle window glass, of visible light incident at an angle of 60° has a Lab1 value, where a1≤0 and b1≤0; and when observed from the inside of the vehicle, a reflection color, on the vehicle window glass, of visible light incident at an angle of 60° has a Lab2 value, where a2≤0 and b2≤0. By means of the vehicle window glass and the vehicle which are provided in the present application, reflection colors of visible light on the vehicle window glass, when observed from the outside and inside of the vehicle, are both neutral colors, so that the problems caused by an anti-reflection layer, such as a camera capturing reddish images, captured images being blurred, and visual comfort being affected, are solved, thereby ensuring the photographic effect of a camera device, enabling a LiDAR and the camera to share a window, and facilitating a functional integrated layout design of the vehicle window glass.
Owner:FUYAO GLASS IND GROUP CO LTD

Bathtub corner assembly with lamp

The utility model provides a bathtub corner assembly with a lamp. The bathtub corner assembly with the lamp comprises a corner plate, a pair of decorative plates and a lighting module. The mounting groove is formed between the corner plate and the decorative plate, the lighting module can be conveniently fixed in the mounting groove, a user can easily disassemble or replace the lighting module, and the mounting complexity is reduced. Secondly, an opening is formed in the side edge of the mounting groove and faces one side of the other decorative plate, so that a light source of the illumination module can irradiate the corner plate, a soft and comfortable illumination atmosphere is created in the corner area of the bathtub, meanwhile, the illumination direction of the light source is side illumination, and the illumination effect is good. It is ensured that light can cover the space around the corner plate, direct irradiation towards the outside of the bathtub can be avoided, and the comfort and the visual effect in the using process are ensured. Therefore, the bathtub corner assembly with the lamp is reasonable in structural design and convenient to install, has an excellent lighting effect and visual comfort, and adds a warm atmosphere to a bathtub use environment.
Owner:GUANGZHOU RISING DRAGON ELECTRONICS & PLASTICS TECH

Lens and lens customization design method

The invention discloses a lens and a lens customization design method, belongs to the field of ophthalmosurgery devices, and is used for treating myopia, realizing compensation of ocular refraction, and realizing accurate quantification and design optimization of scattering performance by processing the lens through target angle resolution scattering distribution and target surface power spectral density based on the lens. And determining the target optical structure parameter of the lens based on the target optical performance parameter, thereby realizing quantitative correlation between the microstructure parameter and the optical performance of the lens, and improving the design credibility. Target angle resolution scattering distribution of the processed lens accords with ideal Lambert scattering characteristics, retina illuminance distribution is effectively homogenized, and local light intensity peak value is reduced, so that image signal contrast is reduced, high light transmittance is maintained, specific light scattering control is realized, visual comfort is remarkably improved, myopia is treated, asthenopia symptoms are relieved, and the lens has good application prospects. And scattering characteristic parameters can be adjusted according to different user requirements.
Owner:EYEPOL POLARIZING TECH XIAMEN +1

Stroboflash-free eye-protection lamp based on high-frequency constant-current driving and control method thereof

The invention belongs to the technical field of illumination control, and particularly relates to a stroboflash-free eye-protection lamp based on high-frequency constant-current driving and a control method thereof, and the stroboflash-free eye-protection lamp comprises a power conversion module, a high-frequency constant-current driving module, a light source module, a current sampling module, a signal processing module and a feedback adjustment module. The power supply conversion module is used for accessing power frequency alternating current electric energy, rectifying and filtering the power frequency alternating current electric energy and outputting direct current basic voltage; and the high-frequency constant-current driving module is connected with the power supply conversion module and is used for receiving the direct-current basic voltage, converting the direct-current basic voltage into high-frequency pulse voltage and driving the light source module to work in a high-frequency modulation mode. According to the utility model, the visual comfort of the light source can be improved, the problem of low-frequency pulsation existing in a simple direct-current conversion circuit is effectively solved, it is ensured that no stroboscopic stripe appears in a fast moving sight line or a shooting scene, and the technical advantage and the practical value are remarkable.
Owner:SHENZHEN BRIGHT STAR TECH CO LTD

Panel lamp multi-area light source cooperative control management system

The invention discloses a panel lamp multi-area light source cooperative control management system, and relates to the technical field of intelligent illumination, and the system comprises a request receiving module, a layout management module, an initial calculation module, a cooperative optimization module and an instruction execution module. The system calls corresponding partition light source distribution information from a light source layout database by receiving a cooperative regulation and control request containing a target area identifier and a preset light environment parameter. According to the preset light environment parameters and the partition light source distribution information, a light field coupling calculation model is used for generating a driving parameter initial value set for the independent controllable light sources in the logic partitions. And then, iterative optimization is carried out based on the initial value set and a preset cooperative constraint rule, and a final driving parameter set meeting the smooth transition requirement of the cross-partition light field is obtained through solving. And finally converting the parameter set into a control instruction to be distributed and executed. According to the invention, the illumination uniformity and the visual comfort are improved.
Owner:ZHONGSHAN HAOXUAN LIGHTING TECH CO LTD

Intelligent adjustment method and system for quantum dot light emitting lamp spectrum

This invention belongs to the field of intelligent lighting technology, and discloses an intelligent adjustment method and system for the spectrum of quantum dot luminaires; aiming to solve the problem that existing lighting systems cannot meet the needs of personalized and healthy lighting. First, multi-dimensional data acquisition is used to obtain user biorhythms, environmental spectra, usage scenarios, user preferences, and physiological health data to construct a feature dataset; then, human-caused optical features are extracted and cross-contextual needs analysis is performed to establish a spectral response model; based on this model, the photoelectric properties of quantum dot materials are mapped and spectral synthesis modeling is performed to determine the luminescence parameter space; a spectral optimization model is constructed, comprehensively considering visual comfort, energy efficiency, and health impacts for multi-objective optimization, generating a dynamic spectral control strategy; based on real-time physiological feedback, closed-loop verification and adaptive optimization are performed to form an intelligent spectral adjustment scheme. This invention fully leverages the spectral tunability advantage of quantum dot materials, realizing truly personalized intelligent lighting.
Owner:SHEN ZHEN XING BIAO ELECTRONIC TECH CO LTD

Double-cup double-color high-color-rendering LED light source and packaging process thereof

PendingCN121310758AEngineeringHigh color
The invention belongs to the technical field of LEDs, and particularly relates to a double-cup double-color high-color-rendering LED light source and a packaging technology thereof.The double-cup double-color high-color-rendering LED light source comprises a packaging support, a first cup body and a second cup body, the first cup body and the second cup body are arranged on the packaging support, and the first cup body and the second cup body are both PCT or EMC bowl cups; a blue light wafer is arranged in the first cup body, the dominant wavelength of the blue light wafer is 450-460 nm, a purple light wafer is arranged in the second cup body, and the peak wavelength of the purple light wafer is 405-415 nm. The method at least has the following advantages that the photobiological characteristics are highly matched with sunlight, the super-high color rendering performance is similar to the natural spectrum, and the performance stability, the visual comfort and the application adaptability in the wide color temperature adjusting range are excellent.
Owner:DONGGUAN LEDESTAR OPTOELECTRONICS TECH CO LTD