32results about How to "3D effect is obvious" patented technology

The invention provides a liquid crystal lens array and a three-dimensional display device and belongs to the technical field of display. The liquid crystal lens array comprises a first substrate, a second substrate opposite to the first substrate, and a liquid crystal layer between the first substrate and the second substrate. A plurality of first electrodes distributed in an arrayed mode are arranged on the surface, close to the liquid crystal layer, of the first substrate. A second electrode is arranged on the surface, close to the liquid crystal layer, of the second substrate. Each first electrode comprises at least two annular electrodes, wherein insulating layers are arranged between every two adjacent annular electrodes, and projection layers, on the liquid crystal layer, of the at least two annular electrodes are arranged layer by layer in a sleeving mode. The invention also provides another liquid crystal lens array. First electrodes of the liquid crystal lens array comprise annular electrodes and spiral electrodes arranged in small circles of the annular electrodes and connected with the annular electrodes. Besides, the invention further provides the three-dimensional display device using the liquid crystal lens array. 3D view angles of the three-dimensional display device are effectively increased.

The invention relates to a human eye tracking method and device of naked eye 3D equipment. The human eye tracking method comprises the steps of obtaining the human face image of a user and obtaining the coordinate of the middle point of two eyes in the human face image; determining the coordinate of the middle point of the two eyes to be out of a preset target area in the image, which is arranged between a preset 3D left image visual area and a 3D right image visual area in the image; rotating the naked eye 3D equipment, to ensure that the coordinate of the middle point of the two eyes to be within the target area. The method and the device solve the problem that a user is difficult to find out and keep eyes to be within an optimum visual angle range when using the naked eye 3D equipment, ensures that the user within a visual distance range is not required to deliberately find out or keep a watching angle, eradicates feelings of dizziness and serious crosstalk, and ensures that the user can easily experience ideal 3D effect.

The invention relates to a display device, in particular to an optical displaying device for carrying out three-dimensional imaging on two-dimensional images. The optical displaying device comprises an image displaying system and an eyepiece system. The light emitting direction of the image displaying system faces the eyepiece system. The optical displaying device is characterized in that the image displaying system comprises two connected display screens which include the first display screen and the second display screen, the first display screen is located at the upper end of the second display screen, and the displaying face of the first display screen and the displaying face of the second display screen face the eyepiece system; the display screens are two-dimensional image display screens used for displaying the two-dimensional images; the eyepiece system comprises an eyepiece, and the portion where the first display screen is connected with the second display screen and the center of the eyepiece are located on the same plane; three-dimensional images formed by combining the displayed images of the first display screen and the displayed images of the second display screen are observed through the eyepiece system. According to the optical displaying device, light emitted by the first display screen and the second display screen is collected by the eyepiece system to be integrally converged into the eyes of an observer, and therefore the monocular resolution ratio can be quite high.

The invention relates to the technical field of printing and paper base printing products, in particular to a paper base 3D direct printing process and a paper base 3D direct printing product manufactured with the same. The process includes the following steps that (A) overall design of the printing products is carried out; (B) an offset print forme is output; (C) an offset print sheet is manufactured; (D) a 3D raster gravure plate is manufactured; (E) 3D printing is carried out; and (F) sheet tailoring is carried out. According to the 3D direct printing process, materials containing plastic rasters are not used, the direct printing molding technology is adopted, 3D effects can be locally shown at will, the visual differentiation is obvious, the aim of high definition imaging of thin media is achieved, the adaptability is wide, and the process can be used for multiple kinds of base materials. The paper base 3D direct printing product manufactured with the process forms an attractive whole with a paper base, the 3D effect is obvious, and the obvious visual differentiation is achieved.

The invention discloses a reflective type virtual reality optical system which comprises a diaphragm (100).A first lens (1) which is fixed relative to the diaphragm (100) and a second lens (2) which can move in a front-rear mode relative to the diaphragm (100) are arranged on one side of the diaphragm (100).A reflecting element (3) and a display screen (200) are arranged on one side of the second lens (2) far away from the diaphragm (100), light emitted by the display screen (200) is reflected through the reflecting element (3) to enter the second lens (2) and the first lens (1) and then reaches the diaphragm (100), the first lens (1) is a bi-convex aspheric lens having positive focal power, the second lens (2) is a meniscus aspheric lens having negative focal power, and the focal power of the reflecting element (3) is 0.The reflective type virtual reality optical system is simple in structure, high in definition, large in field angle, small in size and light in weight.

The invention provides a 3D display film and a stereoscopic display device. The 3D display film comprises a base material layer, a first structural layer, a first filling layer and a second structural layer, wherein the base material layer comprises a first optical surface and a second optical surface which are disposed oppositely; the first structural layer is disposed on the first optical surface and comprises a first cylindrical mirror layer contacted with the first optical surface and the first filling layer disposed on the first cylindrical mirror layer, and the first cylindrical mirror layer comprises a plurality of first cylindrical mirror units which are arranged in parallel; the first filling layer comprises an even surface which is remote from the first optical surface, and a refractive index of the first filling layer is different from the refractive index of the first cylindrical mirror layer; the second structural layer is disposed on the second optical surface and comprises a second cylindrical mirror layer, and the second cylindrical mirror layer comprises a plurality of second cylindrical mirror units which are arranged in parallel; and the first cylindrical mirror units and the second cylindrical mirror units are orthogonal in the axial extension direction. The 3D display film is adhered on a liquid crystal display panel, so that good 3D effects can be obtained when a screen is placed horizontally or vertically, and consumers' demands can be satisfied to a greater extent.

The invention provides a 3D display film and a stereo display device. The 3D display film comprises a substrate layer, a first structure layer and a second structure layer from the bottom up in sequence. The first structure layer comprises a first cylinder lens layer arranged on the substrate layer and a first filling layer arranged on the first cylinder lens layer. The first cylinder lens layer is formed by a plurality of first cylinder lens units in parallel arrangement; and the first filling layer has a flat surface away from the substrate layer, and the refractive index of the first filling layer is different from that of the first cylinder lens layer. The second structure layer comprises a second cylinder lens layer arranged on the first filling layer. The second cylinder lens layer is formed by a plurality of second cylinder lens units in parallel arrangement. The axial extension direction of each first cylinder lens unit is orthogonal with axial extension direction of each second cylinder lens unit. The 3D display film is attached to a liquid crystal display panel; no matter the screen is placed horizontally or vertically, a good 3D effect can be obtained; and demand of consumers can be met to a greater extent.

The invention relates to an earphone effect 3D sound hearing ring. The earphone effect 3D sound hearing ring comprises a wearing lifting beam, two sound hearing ring bodies symmetrically installed at the two ends of the wearing lifting beam, and a sound hearing control module. The earphone effect 3D sound hearing ring is characterized in that each sound hearing ring body is an annular framework with the middle hollow, a plurality of loudspeakers are invisibly installed on the inner side of each annular framework, and all the loudspeakers are connected with the sound hearing control module and perform 3D playing under control of the sound hearing control module. According to the earphone effect 3D sound hearing ring, the loudspeaker array is invisibly installed on each sound hearing ring body and controlled through the sound hearing control module, on the full basis of the interference effect of the auricles on a sound field, a hearer can have remarkable true 3D sound sense, and the problem that when a pair of existing double sound channel earphones is used for 3D playing, the space sense is not obvious is solved. 3D sound obtained after multi-mode sound signals are converted can be played through the earphone effect 3D sound hearing ring, the earphone effect 3D sound hearing ring can also be used in combination with a 3D sound recording ring, the sensitivity to different human heads is further smaller than a sound recording mode in the meatus acusticus or other sound recording modes, and the earphone effect 3D sound hearing ring has pervasive compatibility for different human heads.

The invention relates to a method for producing a 3D video from a plane video, in particular to the method which increase effects, when a plane video is converted to a 3D video; wherein, a N-path 3D image matching with N visual angles is formed by the technology for converting the plane video to the 3D video; meanwhile, a 3D computer animation technology is adopted to generate a model of a 3D object and a N-path views with N visual angles are shot by N visual videos to form corresponding N-path mask views; N-path 3D computer animation views are superimposed to the N-path 3D views converted from the plain video views by the N-path mask code views to generate N-path composite views; finally the N-path composite views are synthesized into a 3D video. The invention has the following advantages: based on the technology for converting the plane video to the 3D video, a 3D video generated by a 3D computer animation is superimposed and the final synthesized 3D video features good 3D effect.

The invention discloses PU (polyurethane) composite leather with a 3D effect. The leather successively comprises a 3D basal layer, a PU composite layer and a finishing layer, a bonding agent layer isarranged between the 3D basal layer and the PU composite layer, a solvent-free PU bonding agent serves as the raw material of the bonding agent layer, the finishing layer is a waterborne finishing layer, the PU composite layer comprises a PU monolayer and a high solid layer, and the PU monolayer is prepared from the following raw materials in parts by weight: 95-105 parts of PU resin, 62-70 partsof DMF (dimethyl formamide), 13-16 parts of acetic ether and 7.5-9 parts of color paste; the high solid layer is prepared from the following raw materials in parts by weight: 95-105 parts of high solid resin, 6-7.5 parts of cross-linking agent, 2.5-4 parts of propylene glycol methyl ether acetate, 12-16 parts of fire retardant, 0.55-0.7 part of flatting agent, 0.25-15 parts of color paste and 0.6-1 part of foaming agent. According to the PU composite leather with the 3D effect and the preparation method of the PU composite leather, base cloth is removed compared with previous PU composite materials, the materials are lighter, and the supporting performance is strong; before the process of automotive trim forming, the process in which PU leather is combined with 3D is left out, and the costis reduced when the PU composite leather has a prominent 3D effect.

The invention discloses a 3D display device and a control method thereof, and a computer device, relating to the technical field of naked eye 3D display. A traditional naked eye 3D display device cannot deliver good visual experience of 3D pictures to observers when a viewpoint moves. The invention solves the above problem. The control method of the 3D display device comprises the steps of collecting current human face image information of an observer in real time; according to the human face image information, calculating, at a second frame rate, target state information of a grating structure when the observer can see a 3D image through a current viewpoint; and according to the target state information of the grating structure, adjusting, at a third frame rate, the state of the grating structure, wherein the third frame rate is greater than the second frame rate. The 3D display device is used for 3D display.

The invention discloses shutter glasses, a TV device and a 3D image realization method of the shutter glasses. The glasses comprise at least a lens, wherein the lens comprises the following optical structures hierarchically assembled in sequence: a second quarter-wave plate, a second polaroid arranged on the outer layer of the glasses, a liquid crystal box, a third polaroid arranged on the inner layer of the glasses and a third quarter-wave plate; the light exiting from the second quarter-wave plate has the same polarization orientation as the second polaroid; and the long axis orientation of the third quarter-wave plate and the linearly polarized light exiting from the third polaroid form a predetermined angle so as to ensure the exiting light to become circularly polarized light. The shutter glasses, the TV device and the 3D image realization method have the following beneficial effects: the two lenses of the glasses can arbitrarily incline from the horizontal plane; no matter what the angle of inclination is, the brightness still does not drop; and the 3D effect is still prominent and even the effect of watching 3D images in bed can be realized.

The present invention discloses a digital building exhibition method through two-dimensional and three-dimensional combination. Through the combination of a two-dimensional image sequence and a three-dimensional model, the digital building exhibition method through two-dimensional and three-dimensional combination realizes very realistic and shocked large-scale 3D effects for devices with low specifications such as a mobile and the like, cannot influence the performance of the devices because the two-dimensional images cannot occupy the rendering performance and occupies little 3D model value, and makes up the problem that the devices with low specifications such as the mobile and the like cannot operate a large-scale 3D scene. Through combination of the rendering realistic effect and 3D real-time dynamic effect, the digital building exhibition method through two-dimensional and three-dimensional combination is able to smoothly operate, have an obvious 3D effect and have a large 3D visual sense experience feeling compared with a traditional pure sequence display mode through the test of a real phone MI 1S, an MI 2S, a Huawei P6, an Iphone 4S, an Iphone 5s, an Ipad 3, an Ipad 4, an Ipad mini1, a Samsung S4 and an old-fashioned laptop Lenovo G450 produced in 2010.

The invention discloses a display system based on a zoom microlens array. The display system comprises a microlens layer and a micro image-text layer, a dielectric layer is arranged between the microlens layer and the micro mage-text layer, the microlens layer is composed of a plurality of microlens units distributed in an array mode, different microlens units are the same or different in the focal length, and each microlens unit is of a pixelated space variable parameter micro-nano structure. The focal lengths of the microlenses in different areas are changed to realize layered display of micro images and texts, patterns have a good 3D effect, and a dynamic amplification pattern can be formed according to the Moire magnification principle.

The invention discloses a portable all-around naked-eye 3D technology arts teaching device. The teaching device comprises a liquid crystal display screen, a teaching display rack used for installationof the liquid crystal display screen, a damping mechanism installed at the bottom of the teaching display rack, a turning mechanism used for carrying out all-around rotation on the liquid crystal display screen and a moving mechanism used for moving and stopping the device. A column-shaped lens is arranged on the front side of the liquid crystal display screen so a column-shaped lens display screen is formed. Left-eye sight lines and right-eye sight lines of the left pupil and the right pupil pass the column-shaped lens. Different sub-pixels are seen. Right image rays and left image rays given out by the liquid crystal display screen are observed, and 3D effects are generated. By use of the 3D effects, arts contents are taught. By rotating an elevating switching rod, the liquid crystal display screen is adjusted to rotate all around in 360 degrees, and it is convenient to adjust the directions of the liquid crystal display screen all around. By rotating the elevating swinging rod, heights of wheel racks and moving wheels are adjusted and operation is convenient.

The invention discloses an ultra-high-definition internal focusing virtual reality optical system. The system comprises an aperture (100), and a first lens (1), a second lens (2), a third lens (3), a fourth lens (4) and a display screen (200) are sequentially arranged behind the aperture (100); the first lens (1) adopts a bi-convex aspherical lens, the second lens (2) adopts a crescent-shaped aspherical lens, the third lens (3) adopts a bi-convex aspherical lens, and the fourth lens (4) adopts a crescent-shaped aspherical lens; the first lens (1) and the second lens (2) are bound together through optical glue to form a glued lens set (300), and the glued surface bends towards the aperture (100). The ultra-high-definition internal focusing virtual reality optical system is simple in structure, high in definition, large in view field angle and wide in application range.

The invention relates to a 3D display device for a mobile terminal. The 3D display device comprises an ordinary display part of the mobile terminal and one or more transparent display parts, wherein the transparent display parts are positioned above the ordinary display part, and are arranged at certain distances far away from the ordinary display part; the ordinary display part and the transparent display parts are integrated. According to the 3D display device, obvious 3D effects of the mobile terminal can be achieved by virtue of a simple technical means, and a user can feel personally on the scene.

The invention relates to a method for realizing 2D-to-3D (two-dimension to three-dimension) conversion based on an image segmentation technology. The method is characterized by comprising the following steps of: (1) receiving original 2D images and buffering first frame data; (2) buffering next frame data; (3) extracting non-output previous frame data and calculating the gray-scale value of each pixel of the images; (4) sequencing the gray-scale values of all pixels in an ascending order and saving a result; (5) setting a standard gray-scale value h; (6) carrying out left-and-right separation on the pixels with the gray-scale values greater than h; and (7) respectively outputting left-eye images and right-eye images to a display screen in a timesharing manner. According to the method disclosed by the invention, the gray-scale value of each pixel is extracted, the sequencing is carried out according to the gray-scale values, the fixed gray-scale value h is taken as a demarcation criterion of the sequenced result, image contours are determined, the left-eye images and the right-eye images are separated on the basis that the contours are known, and shutter-type 3D glasses are used in a matching manner, thus the 3D effect is realized.

The invention discloses an optically controlled grating type free and stereo display device which comprises a display and a grating plate, wherein the grating plate is adhered to the display; the center line of the grating plate is aligned with the center line of a display screen; and the content displayed by the display is a synthetized image which is preprocessed and has binocular parallax. Theoptically controlled grating type free and stereo display device is characterized in that the grating plate is composed of photochromic grids and transparent grid arranged at intervals; the photochromic grids are in a transparent state without the ultraviolet irradiation so as to realize two-dimension display for the display, and is deep blue under the ultraviolet irradiation so as to realize three-dimension display. The optically controlled grating type free and stereo display device has the advantage of simple structure, is convenient to use, and has a good three-dimensional effect, and thecontent of the types for the information display devcie is enriched.

The invention discloses a three-dimensional (3D) fabric production device and technique and 3D fabric. The 3D fabric production device comprises an upper printing roller and a lower printing roller which are engaged with each other. A plurality of grooves are formed in the surface of at least one printing roller. The 3D fabric production technique comprises the following steps that pigment adheres to thermal transfer printing paper, so that the thermal transfer printing paper with the pigment is obtained; the obtained thermal transfer printing paper with the pigment is preheated together with gray fabric; and the thermal transfer printing paper with the pigment and the gray fabric pass through the 3D fabric production device together, and the pigment on the thermal transfer paper with the pigment is imprinted in an area of a groove, not corresponding to the printing rollers, of the gray fabric through the squeezing between the printing rollers. The 3D fabric comprises a bottom layer. The surface of the bottom layer is printed with a pattern layer, and the pattern layer is formed through printing according to the 3D fabric production technique. The 3D fabric produced through the production device and technique has a convex-concave sense, has various patterns and colors and is low in cost.

The invention relates to a polarization three-dimensional (3D) system based on polarized light recycling. The polarization 3D system based on the polarized light recycling is composed of a light splitting sheet, a light path adjuster set, a lower polaroid sheet, a screen, a reflector and an upper polaroid sheet. One path of light which is transmitted from a projector penetrates through the light splitting sheet, the light path adjuster set and the lower polaroid sheet and is projected on the screen, and the other path of the light which is transmitted from the projector is refracted on the reflector through the light splitting sheet, light which is refracted on the reflector is then projected on the screen through the upper polaroid sheet. The polarization 3D system based on the polarized light recycling has the advantages that compared with an ordinary polarization 3D system, the polarization 3D system based on the polarized light recycling can achieve double luminance when a 3D film is shown, and the 3D effects of the polarization 3D system based on the polarized light recycling is more obvious and clearer than the 3D effects of the ordinary polarization 3D system; compared with an existing dual-computer 3D system and an IMAX 3D system, the polarization 3D system based on the polarized light recycling is simple in system composition and free of installation requirements of the dual-computer 3D system, and better saves cost.

The invention discloses a 3D display device, its control method, and computer equipment, and relates to the technical field of naked-eye 3D display, in order to solve the problem that the traditional naked-eye 3D display device cannot realize that the viewer can also watch a 3D picture with good visual effects during the movement of the viewpoint The problem. The control method of the 3D display device includes: collecting the current face image information of the viewer in real time; according to the face image information, calculating the grating structure when the viewer can see the 3D image at the current viewpoint at a second frame rate target state information of the grating structure; according to the target state information of the grating structure, adjust the state of the grating structure at a third frame rate; the third frame rate is greater than the second frame rate. The 3D display device provided by the invention is used to realize 3D display.

The invention discloses an internal focusing virtual reality optical system comprising a diaphragm (100), a first lens (1), a second lens (2), a third lens (3) and a display screen (200) which are successively arranged behind the diaphragm (100). The first lens (1) is a dual convex aspherical lens with positive focal power; the second lens (2) is a dual convex aspherical lens with positive focal power; the third lens (3) is a dual concave aspherical lens with negative focal power; and, in the direction from the diaphragm (100) to the display screen (200), a first face and a second face of the first lens (1) are an aspherical surface and a spherical surface respectively, a first face and a second face of the third lens (3) are a spherical surface and an aspherical surface respectively; the second lens (2) and a third lens (3) are glued together by optical glue to form a glued lens. The system has simple structure, high clarity, large view field angle, and a broad application range.

The invention relates to an auditory-effect 3D recording ring. The auditory-effect 3D recording ring comprises a wearing lifting handle, two recording ring bodies and recording control modules, wherein the recording ring bodies are symmetrically installed at the two ends of the wearing lifting handle. The auditory-effect 3D recording ring is characterized in that each recording ring body is an annular framework, the middle of each annular framework is hollowed, a plurality of microphones are installed on the inner side of each annular framework in a hidden mode, and the microphones are connected with the corresponding recording control modules and are controlled by the recording control modules to carry out 3D synchronous recording. According to the auditory-effect 3D recording ring, the effect of interference of auricles and the head in a sound field is fully utilized, a recorded array sound signal includes space information of the sound field, when an auditory-effect 3D sound listening ring is used for playing sounds, a listener can obtain a remarkable real 3D sound feeling, and the problems that the sense of space of signals obtained through ordinary binaural internal recording and signals obtained through professional manual head recording is not obvious, and earphones need to be worn in the ear canals of a person to carry out recording in an existing double-sound-channel 3D recording process are solved; the auditory-effect 3D recording ring is used in cooperation with the auditory-effect 3D sound listening ring, and sensitivity to the difference of different heads is much lower than that of a traditional ear canal internal recording mode or a manual head recording mode or other recording modes.

The invention discloses an ultra-high-definition internal focusing virtual reality optical system. The system comprises an aperture (100), and a first lens (1), a second lens (2), a third lens (3), a fourth lens (4) and a display screen (200) are sequentially arranged behind the aperture (100); the first lens (1) adopts a bi-convex aspherical lens, the second lens (2) adopts a crescent-shaped aspherical lens, the third lens (3) adopts a bi-convex aspherical lens, and the fourth lens (4) adopts a crescent-shaped aspherical lens; the first lens (1) and the second lens (2) are bound together through optical glue to form a glued lens set (300), and the glued surface bends towards the aperture (100). The ultra-high-definition internal focusing virtual reality optical system is simple in structure, high in definition, large in view field angle and wide in application range.

The invention discloses an active 3D simulation system based on virtual and live-action three dimensions, which belongs to the field of active 3D simulation systems based on virtual and live-action three dimensions, and comprises a data server, an application server, a 3D projector, a receiving card, a projection screen, 3D glasses, an infrared synchronous signal module, a 3D synchronous transmitter module and a simulation platform, the data server is connected with the application server, the application server is respectively connected with the simulation platform and the 3D projector, and the 3D projector is connected with the projection screen and the 3D glasses. Dynamic simulation and active 3D experience of natural geography, human landscapes and three-dimensional real scenes of different areas can be realized, and a user can perceive and experience environment characteristics and time domain changes of different geographic areas by constructing a virtual and real scene three-dimensional geographic environment, so that the learning, working, research and other efficiency is improved, and the method is more beneficial for related personnel to assist in decision making. Image ghosts are few, and the 3D effect is prominent. And multiple persons can watch and experience at the same time.

The invention provides a method for converting a two-dimensional video into a three-dimensional video automatically. The method comprises the following steps of: firstly, performing Gauss modeling on the background of a static scene with a mobile object to reestablish a static background and segment an approximate foreground region out; secondly, performing geometrical classification on each pixel of a background image by using monocular geometrical information and a classifying studying algorithm and obtaining a depth map according to a classification result; segmenting the image of the foreground region by using a mean shift algorithm; performing edge detection, edge connection and endpoint elimination on the image to obtain a precise foreground region; and fusing the precise foregroundregion with the depth map of the background to obtain the depth map of each frame. The synthesis algorithm of a right view comprises the steps of first reestablishing the background in the right viewand then repairing holes by using the right view background. By the method, the obtained left and right views are projected on three-dimensional display equipment, so that an excellent three dimensional (3D) effect can be automatically achieved and the manpower is not required.