69results about How to "No visual fatigue" patented technology

The invention provides a quantum dot laser pointing type backlight module and naked eye 3D display device. The device comprises at least two rectangular light guide plates which are mutually tightly laminated. The light-exiting surface of each light guide plate comprises pixels of different nanometer grating orientations. Blue lights emitted by a light source group are collimated and come into the light guide plates. Groups of pixel arrays of the light-exiting surface of each light guide plate couple the lights in the light guide plate out of the surface of the light guide plate to form outgoing lights of different orientations. The outgoing lights irradiate red and green quantum dot pixel lasers corresponding to the surfaces of the light guide plates, so as to inspire red and green lights. Red, green and blue lights are in the same outgoing direction, so as to form a pointing type white light backlight source with different outgoing angles. The outgoing angles are corresponding to multi-angle images of a liquid crystal display LCD, so that color 3D display is formed and can be observed through naked eyes.

The invention discloses a naked eye three-dimensional display device based on an active emitting type display technology. The device comprises an active emitting display unit, wherein the display unit comprises an emitting array adjustable in light strength, and according to multi-visual-angle superposed images, the emitting array modulates a light field amplitude through a circuit control system; and a directive phase plate, wherein the pixels of the directive phase plate contains nano-grating pixel structures which are respectively corresponding to sub-pixels of the visual-angle images, the nano-grating pixel structures contains nano-grating combinations which are designed according to a holographic principle, the nano-grating pixel structures carry out wavefront conversion on incident visual-angle images after light emitted by the active emitting display unit is irradiated to the directive phase plate, and a convergence viewpoint of parallel illumination light is formed in the space in front of or at the side surface of the active emitting display unit. Compared with the prior art, the demands of personal consumption electronic markets and industrial and outdoor display markets are simultaneously met, and naked eye three-dimensional display which is ultra-thin, convenient, large in area, high in brightness and low in cost is realized.

The invention discloses a naked-eye 3D display device and a method for realizing naked-eye 3D display. The naked-eye 3D display device comprises a light source arranged below a view window generation device and the view window generation device. The view window generation device comprises a phase information modulation device used for phase modulation, and a view angle image information modulation device used for amplitude modulation, wherein pixels of a view angle image generated by the view angle image information modulation device are matched and aligned with viewpoint pixels generated by the phase information modulation device. By the utilization of a holographic imaging and wavefront conversion principle, the phase information modulation device is ingeniously utilized for phase modulation, the view angle image information modulation device is simultaneously used for amplitude modulation, and the pixels of the view angle image generated by the view angle image information modulation device are matched and aligned with the viewpoint pixels generated by the phase information modulation device. Namely, the assembling with the phase modulation function is combined with the display technology with the amplitude modulation function, so that naked-eye 3D display is realized, and 3D image information is presented.

The invention discloses an analog and digital hybrid two-dimensional phased array radio frequency multiple-beam intelligent imaging system. The system comprises an antenna array and a corresponding receiving array; each receiving unit in the receiving array comprises a radio frequency receiving low-noise amplifier, down conversion frequency converters, a baseband low-pass filter and a multi-channel analog baseband multi-beam forming matrix unit. The array multi-beam imaging system can receive incoming radio frequency signals simultaneously, performs analog multi-beam forming and digital multi-beam forming sequentially, and forms two-dimensional image signal output. An artificial intelligent visual neural network or image processing software is adopted, and machine vision is utilized to replace human visual monitoring, and therefore, detection speed is higher.

The invention relates to the field of 3D display, and discloses an all-solid-state holographic projector, which comprises an imaging module and a projection lens group arranged in the holographic projector, wherein the imaging module is used for providing a plurality of equivalent image surfaces which are not overlapped or are parallel to one another, a distance between any two adjacent equivalentimage surfaces is L(mm), the distance between adjacent pixels on a single equivalent image surface is d (mm), and L is greater than or equal to 2d; and the projection lens group is used for projecting the image surface group formed by the imaging module to form a 3D projection picture of depth information in space. A real 3D image projection function is realized by introducing a scheme of a plurality of equivalent image surfaces. Because the equivalent image surface is distributed at different depths in the space, the projected picture is also provided with depth information, and the real 3Ddisplay content can be provided for the user by matching with the holographic screen. The moving parts are not needed in the working process, the reliability and the image quality are greatly improved, and meanwhile the production cost and the control difficulty are reduced.

A water writing paper simulating the Xuan paper is composed of black base paper and coated white layer, and is prepared through making black base paper, preparing white paint and coating. Said black base paper contains pulp fibres, black pigment, adhesive, acid salt, dry strnegthening agent, and wet strengthening agent. Said white paint paint contains white pigment, disperser, adhesive (butadiene-styrene or propadiene styrene emulsion and PVA), cross-linking agent and regulator. Its advantages are low cost, clear tracing and cyclic use.

The invention relates to a detection apparatus, and especially relates to an automobile brake disc thickness detection apparatus. The technological problem to be solved by the invention is to provide an automobile brake disc thickness detection apparatus which is convenient to operate, is high in detection efficiency and is high in detection accuracy during the automobile brake disc thickness detection process. The automobile brake disc thickness detection apparatus includes a support frame and the like, wherein the lower part of the support frame is horizontally connected with a horizontal support; the top of the support frame is horizontally connected with a detection table; a detection groove is formed in the right side of the detection table; a mounting groove is formed in the detection table at the left side of the detection groove; the mounting groove is L-shaped, and is communicated with the detection groove; a fixing device is arranged in the mounting groove; and a discharge device is arranged below the detection groove. The automobile brake disc thickness detection apparatus can preferably fix a brake disc through the fixing device, and achieves the effect of convenient operation, high detection efficiency and high detection accuracy during the automobile brake disc thickness detection process.

The invention discloses a coated filter of reducing harmfulness of LED blue light, which comprises a base body and a light absorbing material; and the light absorbing material is a coating film located on the surface of the base body and is a rare earth oxide along with an absorbing wavelength of 440-480nm. In this way, the coated filter of reducing harmfulness of LED blue light can reduce blue light spectrum content in white light spectrum for reducing harmful spectrum range influencing health of the people and organisms.

The invention discloses glass for increasing blueness of printing decorative glass based on a coating method. The glass comprises a glass substrate, and a transitional film layer, a metal film layer, a protective film layer, a printing pattern layer and a protective printing ink layer which are successively arranged on the glass substrate, wherein the transitional film layer is a composite film layer of SiOX and TiOX or a composite film layer of SiOX and SnOX, wherein x is 1.7-2.0; the metal film layer is a metal Ti film layer or a NiCr alloy film layer; and the protective film layer is a silicon dioxide film layer. According to the glass for increasing blueness of printing decorative glass based on the coating method provided by the invention, the reflectivity is low, the glass can display blue metallic luster, and the color does not change along with the change of the visual angle.

The invention discloses an Arduino-based multi-device interactive display control system and method. The system comprises a control server, wherein the control server receives a data display request command from a control subsystem, and the data display request command comprises card data or knob data; corresponding data is acquired from a database according to the data display request command, the acquired data is sent to a display subsystem, and the control server controls the display subsystem to select a corresponding device for data display; and the database is maintained through a background management subsystem. The system provided by the invention has the beneficial effects that different display devices can be selected according to different display contents, so that the display contents can be presented to a user in a most suitable and perfect manner, and the user experience can be improved.

The invention relates to a multi-screen display device and an advertising board with the same. The multi-screen display device comprises a first display device, a plurality of second display devices and a movable support for installing the second display devices, wherein the movable support is provided with a plurality of supporting sections for supporting the second display devices; the quantity of the second display devices is identical to that of the supporting sections of the movable support, and the second display devices correspond to the supporting sections of the movable support one by one; and the multi-screen display device also comprises a first drive mechanism and a second drive mechanism respectively for driving the first display device and the second display devices to move; the first drive mechanism and the second drive mechanism respectively drive the first display device and the second display devices to move according to a predetermined moving track according to a received instruction. Compared with the prior art, the first and the second display devices are respectively driven by the first and second drive mechanisms to move according to the predetermined moving track, so that the display devices can be combined with other display devices to form different shapes in the moving process, and the visual effect of the video when in playing can be improved.

The invention discloses automatic equipment for detecting appearance defects and microporous leakage of ham sausages. The automatic equipment comprises a machine frame, a feeding device, a detecting platform, a high voltage detecting device, a machine vision detecting device and a waste removing device, wherein the high voltage detecting device, the machine vision detecting device and the waste removing device are sequentially arranged on the detecting platform, and a control cabinet is connected with the devices. A quality product disc is connected to the tail end of the detecting platform. The comprehensive automatic detecting equipment for detecting appearance defects and microporous leakage of ham sausages can safely, efficiently and accurately detect whether the appearance of ham sausages has the defects of bubbling, clamping and biting, small electric shock holes, bag breaking, excess of lengths, excess of thicknesses, curving and deformation, sausage casing impurities, aluminum buckle deformation, ink spreading and the like; visual fatigue is avoided, and the influence of human emotions is prevented; the detection speed is high, precision is high, and the false detection rate is low; production efficiency and product quality of enterprises are greatly improved, and labor intensity of workers is relieved.

The invention relates to a display device and an advertising board with same. The advertising board comprises a plurality of display devices and a movable support for installing each display device, wherein the movable support is provided with a plurality of supporting sections for supporting the display devices; the display devices and the movable support supporting sections are identical in quantity and correspond to each other one by one; the display device also comprises a drive mechanism which is used for driving each display device on the movable support to move, and the drive mechanism drives each display device to move according to a predetermined movement track according to the received instruction. Compared with the prior art, the display devices are driven by the drive mechanism to move according to the predetermined movement track according to the received instruction, so that the display devices can be combined with other display devices in the moving process to form different shapes, and the visual effect of video when in playing can be improved.

The invention discloses a light filter made of an organic material capable of reducing light-emitting diode (LED) blue light harm, which comprises a substrate and a light absorbing material, wherein the light absorbing material is an organic light absorbing material layer which is sandwiched in the substrate, and the absorption wavelength of the light absorbing material is ranged from 440nm to 480nm. By adopting the method, the light filter made of the organic material capable of reducing the LED blue light harm has the advantages that the content of blue light spectrums in white light spectrums can be reduced and the harmful light spectrum range which affects the health of human beings and organisms is decreased.

The invention discloses a three-dimensional radio frequency imaging system with a real-time calibration. The three-dimensional radio frequency imaging system comprises a plurality of MIMO radio frequency imaging transceiving array pairs. One transmitting-receiving array pair is provided with two opposite transmitting-receiving arrays, and the transmitting source in the other opposite transmitting-receiving array provides a benchmark reference signal for the receiving array in each transmitting-receiving array to complete phase calibration between array units. When the radio frequency imaging system works, the phase of an irradiation signal is taken out as a reference to realize real-time phase calibration according to different irradiation and reflection amplitudes during receiving by utilizing the gap of a target during movement, so that the imaging precision of the radio frequency imaging system is improved, and the bandwidth of the use frequency is reduced.

The invention discloses an online coiled material appearance inspection machine. The online coiled material appearance inspection machine is composed of an upper rack, a lower rack, a discharging mechanism, an encoder, a light source, an inspection platform, an operation platform, a power mechanism, an inspection system, a defective product treatment platform, a laminating mechanism, a material collecting mechanism, a display system and a guiding mechanism. The discharging mechanism and the material collecting mechanism are arranged at the two ends of the upper rack correspondingly. The inspection platform is arranged on the lower rack through a support. The operation platform is arranged at the top end of the lower rack. The power mechanism and the guiding mechanism are symmetrically arranged on the two sides of the part, at the top end of the lower rack, of the support. The inspection system is arranged at the top end of the support. The defective product treatment platform is arranged at the top end of the part, between the support and the material collecting mechanism, of the lower rack. The laminating mechanism is located at the top end of the part, between the inspection system and the material collecting mechanism, of the upper rack. The online coiled material appearance inspection machine is high in inspection efficiency, online inspection efficiency is higher than manual visual inspection efficiency by five or more times, the misjudgment rate is low, many items can be inspected, template switching is rapid, and the strict degree for product inspection conditions can be adjusted according to actual requirements.

The invention discloses a clamp for detecting an external dimension of a packaged chip and a detection method of the clamp. The clamp comprises a base, a supporting plate, a rail seat, a rail, a detecting jig and cover plates, wherein the supporting plate is fixed on the base; the rail seat is hinged on the supporting plate; the rail is arranged on the rail seat; two cover plates are respectively fixed at two ends of the rail seat; the detecting jig is arranged on the rail; the detecting jig comprises a detecting jig body; a channel, through which the packaged chip can pass, is arranged on the detecting jig; the channel is adaptive to the external dimension of the packaged chip. According to the clamp for detecting the external dimension of the packaged chip, the detection efficiency is greatly improved. The invention further provides the detection method. The detection method provided by the invention has the advantages of simplicity and easiness in operation.

The invention discloses emulsion explosive appearance quality detecting equipment. A storage railing is arranged at the discharging end of a feeding conveying belt, and an optoelectronic switch is arranged on the storage railing. A channel for storing an emulsion explosive is formed between the storage railing and the feeding conveying belt. A roller conveying chain is arranged bellow the discharging end of the feeding conveying belt. A feeding stirring wheel is arranged between the discharging end of the feeding conveying belt and the roller conveying chain. A material passing railing is arranged on the outer side of the feeding stirring wheel. A channel for conveying the emulsion explosive in the storage railing to the roller conveying chain is formed between the material passing railingand the feeding stirring wheel. A detecting position and a waste removing mechanism are arranged on the roller conveying chain. The detecting position comprises a detecting camera. A roll rubbing belt for driving a conveying roll to rotate is arranged below the roller conveying chain. According to the emulsion explosive appearance quality detecting equipment, the appearance defect of the emulsionexplosive can be detected safely, efficiently and accurately, the detecting speed is high, the precision is high, and the false drop rate is low; and the production efficiency and product quality ofenterprises are greatly improved, and the labor intensity of workers is reduced.

The present invention discloses an optical sensor detection, marking object device, comprising an optical signal generating unit used for generating a product detection optical signal, an optical signal converting unit used for converting the product detection optical signal into a product detection electrical signal, a core processing unit used for judging the product detection electrical signal and an indication unit used for indicating the qualified products. The optical signal generating unit is connected with the optical signal converting unit through fiber; the optical signal converting unit and the indication unit are both electrically connected with the core processing unit. The optical sensor detection, marking object device adopts the technical scheme of the present invention; because some parameters of the products are automatically detected by optical sensors and the indication is automatically carried out, the sensor detection, marking object device does not cause the visual fatigue of the detecting stuffs, removes certain hidden dangers of quality and reduces the risks of delivering the unqualified products; simultaneously, the optical sensor detection, marking object device greatly improves the testing efficiency and reduces labor cost, thereby having excellent economic effects.

The invention relates to a visual inspection method for the surface quality of an inner hole of a copper or copper alloy bright short straight pipe. The method comprises the following steps: arranginga horizontal inspection rack in an inspection region, and enabling the illuminance of the inspection region to be 75-150Lux; putting the copper or copper alloy bright short straight pipe on a horizontal inspection rack, placing a light reflection flat plate at one end of the short straight pipe, wherein the light reflection flat plate is a white and opaque flat plate, the surface of the light reflection flat plate is rough, the roughness Ra is 6-15 microns, an included angle of 30-60 degrees is formed between the light reflection flat plate and the horizontal plane, and it is guaranteed thatprojections of the copper or copper alloy bright short straight pipe in the horizontal direction are all located in the light reflection flat plate; and observing the surface quality of the inner holeof the short straight pipe at the other end of the pipe. The method is remarkable in internal control quality inspection effect, simple in step and easy to operate.

The invention relates to an automatic assembling mechanism for automobile parts, and is used for automatically assembling buckles and sealing sleeves in the automobile parts, the automatic assembling mechanism is characterized by comprising a feeding assembly, a working mechanism and an external processor mechanism; the feeding assembly is used for conveying a buckle with two or more bayonets to the working mechanism; the working mechanism is used for detecting the buckle and the sealing sleeve and assembling the buckle and the sealing sleeve into a whole; the external processor mechanism is used for comparing and processing detection data or detection parameters of the buckle, the sealing sleeve and the assembly part composed of the buckle and the sealing sleeve, wherein the detection data or the detection parameters are detected and transmitted by the working mechanism, and the external processor mechanism controls the working mechanism to work. The injection molding quality of the buckle is judged through automatic detection, and the detection risk caused by visual inspection is effectively reduced; according to the automatic assembling mechanism for the buckle and the sealing sleeve, the physical strength of an operator is hardly consumed, and the production efficiency can be greatly improved.

The invention discloses a motorcycle with a wide-viewing-angle back vision effect. The motorcycle comprises a motorcycle body, wheels at the lower portion of the motorcycle body, handle frames located on the two sides of the front portion of the motorcycle body, and rearview mirrors on the two sides of the front portions of the handle frames. Each rearview mirror comprises a shell, wherein a mirror frame is formed at the rear side of the shell, a lens is embedded in the mirror frame, and the shell is provided with a connection rod and fixedly connected to the corresponding handle frame. The motorcycle is characterized in that each lens comprises a plane lens body and a convex lens body which are spliced in the same mirror frame, each convex lens body is located on the outer side of the corresponding plane lens body and connected with the plane lens body along a straight line which is overall vertical, and the convex portion of each convex lens body is vertical, so that the cross sections of any height positions of the surface are arcs of the same radian. The observation vision range of a driver can be widened conveniently, the driver can master situations of surrounding traffic flow, and driving risks are reduced. Meanwhile, the motorcycle has the advantages of being simple in structure, convenient and fast to install, good in warning effect and the like.

The invention discloses a human eye bionic three-dimensional projector with a non-rectangular plane. The human eye bionic three-dimensional projector comprises a projection device and a projection screen. The projection device comprises a left projection instrument and a right projection instrument. The left projection instrument comprises a light condensing lens, an integral prism is arranged at the back of the light condensing lens, and a polarization light separator is arranged at the back of the integral prism. Light passes through the light condensing lens, the integral prism and the polarization light separator to be reflected by a total reflection mirror, then sequentially passes through a first two-direction color color-separation mirror and a second two-direction color color-separation mirror to be decomposed into red green blue (RGB) three primary colors which are emitted on a liquid crystal panel in incidence mode under the effects of the reflection mirror and the lens and enter a color combination prism. A projection lens is arranged at the back of the color combination prism. Viewers can watch objects by wearing polaroid glasses which are strong in comfortable sensation and cannot cause visual fatigue, giddiness, nausea and other discomforts.

The invention relates to a 3D electron microscope. The 3D electron microscope includes an electron microscope body, a first imaging adapter, a second imaging adapter, a master control processing device and a display device; the video output end of the main control processing device is in wired signal connection or wireless signal connection with the display device; the display device comprises a display screen and a semi-transmission and semi-reflection high-definition micro display system; and the semi-transmission and semi-reflection high-definition micro display system is composed of a display panel, a reflector, an objective lens, a view field diaphragm, an eyepiece group and a semi-transmission and semi-reflection optical lens. The 3D electron microscope of the invention is very convenient to install and disassemble. With the semi-transmission and semi-reflection high-definition micro display system adopted, an observer will not have visual fatigue, and 3D images seen by the observer are clear, free of ghosting and crosstalk, and have stereoscopic impressions, and the observer can also observe external environment, and operation is convenient; other observers can watch images through the high-definition LED display screen; and with the semi-transmission and semi-reflection high-definition micro display system adopted, the comfort of a user can be greatly increased, and the fatigue of the user can be decreased.

The invention relates to the technical field of home decoration, in particular to a square brick assembly with the switchable decoration face. The square brick assembly comprises a base, a color changing unit, a curved surface control unit and a pattern replacing structure, the color changing unit is located on the base and controlled by a pressure sensor and a photosensitive sensor, the color changing function is achieved, and the visual effect is enhanced; and the curved surface control unit is located in the middle of the base, through air suction and exhaust during working of an air pump,an elastic plate is concave downwards or convex upwards, and thus a floor tile pattern has the third dimension; and the pattern replacing structure can achieve a pattern replacing function through a winding motor. Through design of the base, the color changing unit, the curved surface control unit and the pattern replacing structure, the aesthetic experience of people is enhanced, and thus the life of people is diversified.

The invention relates to the field of 3D imaging. The Bragg period scanning type holographic imager comprises an imaging element, an imaging lens group and a focal depth scanning mechanism which are respectively arranged in the holographic imager, the imaging element is used for providing a plurality of equivalent image planes which are not overlapped or are parallel to one another, and the imaging lens group is used for optical imaging and is provided with a plurality of two-dimensional tangent planes; and the focal depth scanning mechanism is connected with the driving imaging element and / orthe imaging lens group and is used for controlling the spatial position change of the imaging element and / or the imaging lens group to realize volume scanning of the two-dimensional section. According to the invention, a 3D imaging / projection display function with ultra-high resolution and ultra-fast frame frequency can be stably realized by introducing a multi-focal plane and the Bragg period scanning mode.

The present invention relates to a method for fabricating children's 3D picture book. After double viewpoint photographing of a model and sequent convergent angle regulation, red-and-blue double color pictures are fabricated and printed. In photographing, a distance between axes is equal to an average value of children's pupil distances, which is 53 mm according to statistics. Then, a distance between focal planes is calculated according to lens parameters and the final printing size. Post composition is achieved by cutting away a left image of a left viewpoint picture and a right image of a right viewpoint picture with a software such as PS, in which the numerical value is the number of pixels in a distance between pixels. A specific numerical value can be calculated according to 3D Stop-Motion Animation V2.0. A red-and-blue double color picture is generated by the way of copying a right image to an R channel. The red-and-blue double color picture is converted from a RGB color mode into a CMYK color mode for printing. Since the color having a red value has a "dazzling" phenomenon when using red-and-blue double color glasses to watch the red-and-blue double color picture, the red value in an unnecessary pixel can be removed by the PS software so as to achieve a comfortable three-dimensional effect.

A 3D (three-dimensional) stop-motion animation video shooting step and making method is characterized in that when a 3D stop-motion animation video is made, the optimal image distance is calculated through an image distance formula according to the output image sequence resolution and relevant parameters, and double-viewpoint image sequences are synthesized through late software cutting; late special effect software such as AE (After Effect) and the like can be used for late synthesis, and a left image of a left viewpoint image and a right image of a right viewpoint image, particularly, pixels in image distance, are cut by software; most importantly, an axis distance is required during shooting, image distance is required during late synthesis, an axis distance formula is used for simulating a double-viewpoint staggering phenomenon when human eyes watch a physical object, the image distance formula is used for simulating the converging phenomenon of human eyes, a left-right or vertical stereoscopic video file is synthesized, and a stereoscopic image can be played through a three-dimensional projector. By means of the 3D stop-motion animation video shooting step and making method, the three-dimensional effect is comfortable and lifelike, the cost is low, and the operation is simple.

A blinder with a beautifying function is in three-dimensional design and provided with a power supply, a switch, a circuit board, an electrode piece, a motor, a heating pipe and a mobile phone APP. Two ends of the blinder are exactly clamped to the temples of a wearer. The power switch is located at the right temple. The inner surface of the blinder is designed according to the eye structure of a human body, can exactly fit to the eyes, and directly acts on the periphery of the eyes. The eye parts are hollow to guarantee normal breathing of the eyes, and the blinder is comfortable and breathable to use. The whole blinder is made of ABS (acrylonitrile butadiene styrene) plastics. The inside of the blinder is controlled by the circuit board, when power is on, eye muscle and nerve pressure can be relieved instantly by the aid of vibration, thermal therapy and electric pulse, eye acupoints are stimulated, eye blood supply is increased, blood circulation is increased to strengthen eye detoxifying capability, eye fatigue can be reduced, eyesight and eye health can be restored, and the like, eye health can be protected by long-term use, and computer visual fatigue can be avoided.