38results about How to "Stereoscopic display effect is good" patented technology

The invention discloses a display apparatus used for displaying multiple perspective images. The display apparatus comprises: a display screen and a plurality of projectors. Each projector includes: at least one light source module, one spatial light modulation component and a lens. The display screen respectively forms imaging of a first visual angle image and a second visual angle image emitted by the each projectors to a first sub-vision field and a second sub-vision field through a first light and a second light provided by the light source module.

The invention belongs to the technical field of three-dimensional display and provides an optical-grating three-dimensional display device and an optical grating sheet thereof. The display device comprises a display panel and an optical grating sheet arranged on the display panel, wherein the horizontal distance between adjacent sub-pixels in the same line on the display panel becomes large and small alternatively; the positions of the sub-pixels in the same line on the display panel go up and down alternatively; oblique optical grating electrodes are distributed at equal intervals on the optical grating sheet; and the optical grating period of the optical grating sheet is the width of four sub-pixels on the display panel. In the optical-grating three-dimensional display device provided by the invention, the optical grating sheet with the oblique optical grating electrodes is adopted, and the optical grating period of the optical grating sheet is the width of the four sub-pixels, so that the cross effect caused by unequal intervals among the sub-pixels is avoided when the display panel is an active matrix display panel based on a dual-grid framework, and a good three-dimensional display effect and strong applicability are achieved.

The invention discloses a stereoscopic video collection system. The system includes left and right view image sensors, which have controlled and adjustable display windows, and collect left and rightview images of a scene; a controllable guide rail, which is connected with the left and right view image sensors, and controls horizontal movement of the left and right view image sensors under driving of movement control commands; a processing and control device, which determines an optimal image fusion parallax range according to a display device parameter, calculates and obtains an image parallax graph according to collected left and right view images, then judges, according to the optimal image fusion parallax range and image parallax graph, whether the left and right view images need to be adjusted, and calculates parallax adjustment offset quantity when adjustment is needed, generating a movement control command according to the parallax adjustment offset quantity, and sending the same to the controllable guide rail, and directly outputs the left and right view images when adjustment is not needed; and a display device, which receives the left and right view images output by theprocessing and control device, and carries out stereoscopic display. The system imports a stereoscopic video display effect.

The invention relates to a three-dimensional display device which comprises a display panel, a liquid crystal lens, an identification module and a driving circuit, wherein the display panel is used for outputting pictures; the liquid crystal lens is arranged on the display panel and is used for focusing the display light of the pictures on the focusing position; the identification module is used for capturing and identifying images, and outputting an identification signal according to the identification result; the driving circuit is electrically connected with the liquid crystal lens and the identification module; and the driving circuit is used for driving the liquid crystal lens to adjust the focusing position according to the identification signal.

The embodiments of the invention provide a data processing method and apparatus. The method comprises the following steps: obtaining positions of multiple space points and grating parameters of multiple groups of gratings; respectively calculating left-eye light intensity and right-eye light intensity which are corresponding to each space point under the grating parameters of each group of gratings; according to the left-eye light intensity and right-eye light intensity which are corresponding to each space point under the grating parameters of each group of gratings, forming multiple left-eye and right-eye space distribution images; selecting a maximum-width position along a preset direction from one left-eye and right-eye space distribution image, wherein the position is corresponding to one group of space points, the space points are equally distanced from a display screen, and the distance between the group of space points are and the display screen is taken as an optimal observation distance; and under the group of space points, selecting grating parameters corresponding to maximum-width positions from the multiple left-eye and right-eye space distribution images as optimal grating parameters. According to the method, the optimal grating parameters and optimal observation points can be obtained simultaneously, furthermore, users can be enabled to obtain an optimal stereo display effect, and user experience is improved.

The invention discloses a three-dimensional television and a transmission box control method thereof. The three-dimensional television comprises a display screen, a television main board, a transmission box and stereo glasses, wherein the television main board is connected with the transmission box by a communication signal wire, a data signal wire and a synchronous signal wire, and transmits display screen characteristic data to the transmission box by the data signal wire; and the transmission box reads corresponding screen response delay data from a data storage unit according to the display screen characteristic data transmitted by the television main board, regulates the delay of a synchronous signal according to the read screen response delay data, and transmits the regulated synchronous signal to the stereo glasses, thereby controlling the enabling time of the stereo glasses. The embodiment of the invention can dynamically regulate parameters of the transmission box of the three-dimensional television, so that the transmission box can be matched with the display screens with different response time values to be more compatible with the display screens with different characteristics.

The invention relates to an optical system for stereoprojection. The optical system for the stereoprojection comprises an object image and a projection objective. The optical system is provided with a transmission light path and a reflection light path. The optical system comprises a polarization beam splitter and a first liquid crystal variable phase retarder in the transmission light path, and the optical system comprises the polarization beam splitter, a first lens or a first lens set, a second lens or a second lens set, a plane mirror having an image rotating function and a second liquid crystal variable phase retarder in the reflection light path, wherein the polarization beam splitter comprises a first triangular prism, a second triangular prism, first plate glass and second plate glass. The invention further provides a method for carrying out the stereoprojection. The optical system can transform more than 97% of the energy of natural light into linearly polarized light, and screen brightness and stereo display fidelity are improved greatly.

The invention relates to the technical field of stereo display, and discloses a liquid crystal parallax barrier and a stereo display device and a correction method thereof. A first electrode structureis arranged on the side, opposite to a liquid crystal layer, of a first substrate of the liquid crystal parallax barrier, the first electrode structure comprises multiple driving electrode sets whichare arranged in a periodic mode, each driving electrode set comprises at least two driving electrode layers, each driving electrode layer comprises multiple driving electrodes which are arranged at intervals, a gap portion is arranged between each two adjacent driving electrodes, and the driving electrodes and the gap portions of each two adjacent driving electrode layers are oppositely arranged;the driving electrodes which apply the first preset driving voltage in each driving electrode set form a shading portion, the driving electrodes which apply the second preset driving voltage in eachdriving electrode set form a photic portion, and when the driving electrodes which apply the first preset driving voltage and the driving electrodes which apply the second preset driving voltage change, the positions of the shading portions and the photic portions change correspondingly, so that over dependency and excessive demands on the laminating accuracy can be effectively avoided.

The invention provides a three-dimensional display device and system and a three-dimensional display method and belongs to the technical field of display. The three-dimensional display device comprises a first display source, a first optical element, a second display source and a second optical element, wherein the first display source is used for providing a first eye picture; the first optical element is located on a light path of an emergent ray of the first display source and is capable of reflecting the emergent ray of the first display source to make the reflected ray reach a preset position point; the second display source is used for providing a second eye picture; and the second optical element is located on a light of an emergent ray of the second display source and is capable of reflecting the emergent ray of the second display source to make the reflected ray reach the preset position point, wherein a virtual image of the first eye picture seen at the preset position point overlaps with the virtual image of the second eye picture seen at the preset position point, the first eye picture is one of a left eye picture and a right eye picture and the second eye picture is the other one of the left eye picture and the right eye picture. According to the three-dimensional display device and system and the three-dimensional display method, the three-dimensional display effect can be better.

The invention discloses an optical three-dimensional display device. The device comprises a projector and a lens array screen, the lens array screen or the projector is provided with a horizontal movement rotation mechanism, the lens array screen performs horizontal movement rotation motion through the horizontal movement rotation mechanism, light emitted by the projector is shone on the lens array screen, with the horizontal movement rotation of the horizontal movement rotation mechanism, the emergent light direction of each lens unit on the lens array screen changes synchronously with horizontal movement rotation, the optical three-dimensional display device can be used for avoiding limiting the distinguishability of a display image, the three-dimensional display effect is good, the costis low, the volume and weight are small, and the range of application is wide.

The invention provides a lamp type license plate for a muck truck. The lamp type license plate is composed of a substrate, a plurality of character amplifying boards, a plurality of kinds of lamp tube assemblies, a solar cell panel, a solar cell panel controller box, an LED display screen and a clamping part. The lamp tube assemblies serve as character strokes of the license plate of the muck truck and are arranged on the character amplifying boards, automatic long-term lighting of the lamp tube assemblies can be ensured by adopting the technologies of supplying power through solar cells and packaging circuits internally, and the lamp tube assemblies are difficult for outside personnel to control; the lamp tube assemblies protruding outwards are adopted as the character strokes, the highlighted and striking stereo display effect is achieved, the license plate is more difficult to shield by building dust and soil, and the effect of preventing deliberate shielding is better; by adopting the mode of displaying large characters and small characters at the same time, comprehensive information of the muck truck can be displayed completely and comprehensively, and the requirement for the lamp type license plate for the muck truck is met.

The invention discloses a naked-eye 3D three-dimensional displaying curtain wall, which comprises an LED display screen, a first grating and a second grating, wherein the first grating is arranged at the front end of the LED display screen, the second grating is arranged at the front end of the first grating, the LED display screen comprises LED pixel points, the first grating comprises a first light transmitting region and a first light blocking region, the area of the first light transmitting region is larger than the area of the LED pixel points, the second grating comprises a second light transmitting region and a second light blocking region, the maximum width of the first light transmitting region is 1.2-1.5 times that of the LED pixel points, and the width of the second light transmitting region is 0.9-1.1 times that of the first light transmitting region. The naked-eye 3D three-dimensional displaying curtain wall provided by the invention comprises the LED display screen, the first grating and the second grating, the first grating is used for ensuring that light emitted by each LED pixel point in the LED display screen can emit out evenly, and the second grating realizes the naked-eye 3D three-dimensional display effect, thereby achieving the excellent 3D three-dimensional display effect of the naked-eye 3D three-dimensional displaying curtain wall.

The invention provides an electronic device and a display method thereof. The electronic device comprises a display panel and a light source module. The light source module is arranged on one side of the display panel. The light source module comprises a first group of light-emitting units and a second group of light-emitting units which are alternately arranged, the first group of light-emitting units and the second group of light-emitting units alternately emit light, and each display pixel is suitable for alternately receiving light of the first group of light-emitting units and the second group of light-emitting units.

The invention provides a three-dimensional combined type license plate with convex blocks. The three-dimensional combined type license plate is formed by a base plate, a plurality of character magnification boards, the character blocks, LED lamp belts, a solar cell panel, a solar cell panel controller case, an LED display screen and clamping parts. The convex character blocks are installed on the character magnification boards, and the LED lamp belts are installed on the character magnification boards along the strokes of the convex character blocks. The formed license plate has a striking three-dimensional display effect both in the daytime and at night and is difficult to shield. Meanwhile, solar cell power supply and circuit internal packaging techniques are adopted, so it is guaranteed that the LED lamp belts can be lightened for a long time and hard to disturb by the external world. In addition, the mode that big characters and small characters are displayed at the same time is adopted, general information of medium and large carrier vehicles can be displayed completely and comprehensively, and the display requirements of the medium and large carrier vehicles for lamp type license plates are well met.

The invention discloses a product capable of showing a stereo modeling and a processing method therefor. A recessed cavity is arranged in the front side of the product. The main view of the recessed cavity is similar to or the same as the axial symmetric graph of the main view of the actual prototype, and the proportion is n. The depth ratio of the corresponding positions of the main view of the recessed cavity and the axial symmetric graph of the main view of the actual prototype is n/3-n/5. The product is advantageous in that the stereo modeling shown by the product is similar to or the same as the actual modeling, and can change with watching angles, which is the same as watching the actual modeling directly.