15results about How to "Improve visual comfort" patented technology

This invention relates to the field of intelligent control technology and discloses a method and system for adaptive brightness adjustment of a display screen. The method includes: acquiring ambient light intensity data and analyzing its changing trends to determine the directional characteristics of light intensity as the basis for adaptive speed adjustment; inputting the adaptive speed adjustment basis into a visual adaptation model to generate smooth curve parameters adapted to human eye characteristics, generating a brightness transition sequence through discretization sampling, and converting the brightness transition sequence into an adjustment instruction set; obtaining a target reference value from the adjustment instruction set, calculating the deviation between the actual brightness and the target reference value through a feedback mechanism to obtain a corrected brightness value; fusing real-time light intensity and historical data to construct a time series set and predicting the expected light sequence to generate a primary and backup adjustment path, adaptively switching based on the light intensity deviation; extracting the current adjustment instruction and transmitting it to the display driver module to achieve gradual brightness adjustment and a visually comfortable state. This method can achieve precise adaptation between human eye characteristics and display device hardware.

The application provides an LED straight tube lamp, comprising: a lamp tube, the lamp tube comprising a diffusion coating covering the inner circumferential surface of the lamp tube; a lamp cap arranged at one end of the lamp tube; a lamp plate arranged in the lamp tube, the lamp plate being provided with a light source; a power supply, the power supply being in electrical communication with the light source through the lamp plate, the power supply comprising a circuit board and a power supply module arranged on the circuit board; the lamp plate is a flexible circuit board or a flexible substrate, the lamp plate having a part fixed on the inner circumferential surface of the lamp tube and a part located at both ends of the lamp plate and not fixed on the inner circumferential surface of the lamp tube, wherein the part not fixed on the inner circumferential surface of the lamp tube forms a free part, one end of the free part is deformed by being contracted towards the inside of the lamp tube, and the free part is directly welded to the circuit board of the power supply, the free part being an integral part of the flexible circuit board or the flexible substrate.

The invention relates to a self-adaptive display method and device, display equipment and a display system. The method comprises the following steps: acquiring current ambient light parameters and pupil physiological features of a user; calculating a current visual comfort index according to the ambient light parameter, the pupil physiological feature, a user preference parameter and a current display parameter of a display device; using a preset decision model to obtain a target display parameter according to the ambient light parameter, the pupil physiological feature, the current display parameter, the user preference parameter and the current visual comfort index; and updating the display parameters of the display equipment according to the target display parameters. The visual comfort index of the current user is obtained according to the ambient light parameters, the pupil physiological features of the user and the preference of the user, and the optimal display parameters are generated by adopting the preset model according to the data, so that the display equipment is converted from passively responding to the ambient light to actively adapting to the visual state of the user, and the asthenopia of the user is reduced.

The invention discloses a tunnel entrance and exit visual buffering illumination system based on light perception, which comprises light-emitting panel groups which are respectively arranged on the inner walls of two ports of a tunnel and comprise light-emitting panels which are laid on the inner walls of the ports in a connected manner; the external photosensitive modules are respectively arranged outside the two ports and are used for collecting brightness outside the tunnel; the internal photosensitive module is installed in the middle section of the tunnel and used for collecting illumination intensity in the tunnel. The vehicle speed measurement modules are installed at the two ports respectively and used for obtaining the vehicle speed. An algorithm module is arranged in the control unit and is used for calculating a target brightness value of each light-emitting panel in the light-emitting panel group according to data acquired by the vehicle speed measurement module, the external light sensing module and the internal light sensing module and adjusting the brightness of the light-emitting panels to form gradient light; and the photovoltaic module supplies power to the light-emitting panel group. The brightness gradient buffer zone is constructed at the entrance and exit of the tunnel, so that eyes of a driver can smoothly adapt to illumination changes when the driver enters and exits the tunnel.

The utility model relates to a spot lamp in a double-light-emitting mode. The spot lamp comprises a mounting base, a first light-emitting assembly and a second light-emitting assembly, wherein the first light-emitting assembly and the second light-emitting assembly are both arranged on the mounting base. The second light-emitting assembly is annular and sleeves the outer side of the first light-emitting assembly; a light reflecting plate is arranged between the first light-emitting assembly and the second light-emitting assembly. The end, away from the mounting base, of the light reflecting plate inclines towards the second light-emitting assembly. When the mounting base is mounted in place, the inclined surface of the light reflecting plate reflects light emitted by the second light emitting assembly to the periphery of the mounting base; the spotlight provided by the utility model can simultaneously give consideration to key lighting and the brightness of the surrounding environment, and has better practicability.

The invention discloses a control method and device for a color temperature breathing light supplement lamp, and belongs to the technical field of illumination control. The method comprises the steps that a color temperature control curve is generated according to a preset periodic function, the color temperature control curve represents the change relation of the color temperature proportion along with time, and the color temperature proportion is the proportion of the cold light quantity in the total light quantity; periodically updating a color temperature proportion value corresponding to the current moment according to the color temperature control curve; respectively calculating driving parameters of the cold light emitting unit and the warm light emitting unit according to the color temperature proportion value; and controlling the output of the cold light emitting unit and the warm light emitting unit according to the driving parameters, so that the output color temperature of the light supplementing lamp is periodically and cyclically changed within a preset color temperature range. Breathing control and color temperature control are combined, alternate, continuous and cyclic change of color temperature is achieved, and the playing method of the light supplementing lamp is enriched.

The application discloses a light adjusting module with a three-layer composite structure, which comprises a scattering layer, a gap layer and an angle control layer which are arranged in a composite manner, the gap layer is arranged between the scattering layer and the angle control layer, the surface of the scattering layer is provided with a plurality of first optical microstructures, the surface of the angle control layer is provided with a plurality of second optical microstructures, and the gap layer comprises a plurality of light adjusting channels for guiding light from the scattering layer to the angle control layer. The light adjusting device with the three-layer composite structure is a whole of the scattering layer, the gap layer and the outer angle control layer, the functions of the light adjusting channels and the angle control layer are coupled, high light efficiency is realized, the synchronization optimization of light angle control, anti-dazzle and light spot uniformity is completed, and the contradiction between'scattering reduction' and 'anti-dazzle loss of uniformity' in the traditional technology is broken through.

The invention relates to a three-dimensional virtual simulation stereoscopic rendering video generation method and device, equipment and a medium, and aims to adapt to the eye distance or scene depth of a user by dynamically adjusting the distance between a left virtual camera assembly and a right virtual camera assembly, so that the visual comfort of a stereoscopic video is remarkably improved. And meanwhile, a high-precision picture synchronization technology is adopted, so that the picture time sequence consistency of the left and right virtual camera assemblies is ensured, the picture tearing and delay phenomena are avoided, and the immersion feeling is improved. Through path smooth interpolation and real-time adjustment technologies, a continuous and smooth camera motion track is generated, and creation flexibility is enhanced. In addition, the application of the parallax perception compression algorithm optimizes the code rate and the image quality of the video file, so that the video generation efficiency is higher and the file size is smaller. The introduction of the visual editing panel supports the user to adjust and preview the camera spacing, the mirror moving track and the compression parameters in real time, avoids frequent re-rendering, and significantly improves the working efficiency.

The utility model discloses an assembly lamp, including lamp holder and lamp body, the lamp holder includes at least two splice piece and at least one assembly connecting piece, the adjacent splice piece through the assembly connecting piece mutually detachable connection, the assembly connecting piece includes body and external part, the body and the external part are mutually detachably connected, and the body and the external part are mutually detachably connected through the assembly connecting piece. The external component is arranged on the surface of the body and used for increasing the friction force between the splicing connecting piece and the splicing piece, and the lamp body is arranged on the splicing piece and / or the splicing connecting piece. The branch-shaped assembled decorative lighting can be freely assembled or disassembled according to individual requirements, and is flexible and changeable in style.

This invention discloses a sidewalk supplementary lighting light and a traffic road surface. The sidewalk supplementary lighting light includes a light-emitting element and a convex mirror disposed in front of the light-emitting element. The light-emitting element is installed on one side of the traffic lane and located above the traffic lane. The light-emitting element is used to illuminate the sidewalk, and the illumination direction of the light-emitting element is in the same direction as the vehicle travel direction of the corresponding lane. The convex mirror is used to focus the light emitted by the light-emitting element into a predetermined illumination area. The sidewalk supplementary lighting light and traffic road surface of this invention are used to improve the utilization rate of light and improve the visual comfort of pedestrians, reduce the risk of glare and traffic accidents caused by the visual impairment of pedestrians.

The utility model discloses a financial transaction risk early warning information visualization display device which comprises a supporting frame, the supporting frame is a rectangular structure frame, a plurality of split screen supports are arranged on the supporting frame in a matrix mode, a plurality of distributed displayers are arranged on one sides of the split screen supports, and the distributed displayers are arranged on the other sides of the split screen supports. The utility model relates to the technical field of financial visual tools, and the financial transaction risk early warning information visual display device dynamically adapts to the position change of an observer through three-stage cooperative control of horizontal rotation, pitching adjustment and spherical compensation, and when personnel on a station carry out adjustment, a control system synchronously drives horizontal steering and pitching angle adjustment, so that the visual display of financial transaction risk early warning information is realized. By matching with the micro attitude compensation of the spherical joint, the normal of the display surface accurately points to the viewpoint of an observer, the plane consistency can be kept during multi-screen linkage, the spatial pose of each unit is independently adjusted in a split-screen mode, the organic unification of rigid support and flexible adaptation is realized, and the visual comfort of multi-angle observation is remarkably improved.

The invention discloses a red-light small-hole optical lens for preventing and controlling axial myopia and a manufacturing method of the red-light small-hole optical lens. Relates to the technical field of optical lenses, and comprises a lens base body and a plurality of optical functional areas arranged on the lens base body, each functional area has different light transmittances for 620-650 nm red light, and the light transmittances are gradually distributed from the center of the optical functional area to the edge of the optical functional area by 10%-99.99%. The optical function area comprises but is not limited to a three-area or four-area structure, and a red dot diffusion effect from deep to light is formed through cooperation of the light transmittance of all the areas. Red light with a specific wavelength can be projected to retina and choroid areas in a dispersion manner, and choroid blood circulation is improved through a photobiological effect, so that the growth of an ocular axis is inhibited. And the optical functional area is manufactured through a process of combining red light pulse laser internal micro-engraving or ultraviolet laser surface etching with high-transmittance red light film layer lamination. Red light treatment and daily glasses are combined, and all-weather and living myopia prevention and control are achieved.

The utility model discloses an anti-dazzle lamp structure, and relates to the technical field of lighting anti-dazzle. The anti-dazzle lamp structure comprises a substrate, a light source, a reflecting cover and a lamp shell are sequentially arranged on the top of the substrate from bottom to top, the light source comprises a light-emitting crystal, the light-emitting crystal is arranged on the substrate, and an anti-dazzle layer is arranged on the inner surface of the light-emitting crystal; the reflecting cover is arranged in a cambered surface mode, the upper end and the lower end of the reflecting cover are arranged in a penetrating mode, the vertex of the cambered surface of the reflecting cover is placed on the substrate, the light source is placed at an opening of the vertex of the cambered surface of the reflecting cover, and the inner surface of the reflecting cover is formed by splicing a plurality of polyhedrons to form reflecting surfaces of various angles. The lamp shell is made of transparent materials and installed at the position of an opening in the top end of the reflecting cover, and protrusions are arranged on the outer surface of the lamp shell.

The utility model discloses a kind of curtain wall decorative lamps, including lamp shell, light source board, lampshade and adjusting mounting seat, light source cavity inside lamp shell is equipped with asymmetric light-reflecting inclined plane A and light-reflecting inclined plane B, cooperate with the light mixing inclined plane in lampshade, light efficient mixing and uniform light emission are realized jointly, effectively eliminate glare and mottle, light source board adopts double-row lamp pearl of staggered arrangement, each lamp pearl is equipped with flexible convex cover, further eliminate stray light, lamp body bottom connects multiple groups of anti-falling rope, guarantee high-altitude safety, its core is adjusting mounting seat adopts worm gear drive mechanism, by rotating knob, stepless fine adjustment of the pitch angle of lamp body can be realized, and using its inherent self-locking characteristic, ensure that angle adjustment is long-term stable after, windproof and anti-vibration, solve the difficult problem that traditional curtain wall lamp adjustment is complicated, easy to deviate.