494 results about "Projection display" patented technology

Disclosed is a wearable electronic device. The wearable electronic device includes: a display module comprising a display; a housing to which the display module is coupled; and a projection display disposed on a side portion of the housing and configured to display information on a display area adjacent to the housing, the projection display may include: a substrate disposed along a mounting surface provided on a side portion of the housing; a plurality of light-emitting devices comprising light-emitting circuitry disposed on the substrate in a grating arrangement; and a plurality of micro-lenses covering a light-emitting surface of the plurality of light-emitting devices.

The embodiment of the invention discloses a display device and a screen projection display method, and the method comprises the steps: after receiving a screen projection connection instruction sent by a terminal device, sending a starting notice to a player through a screen projection service, and enabling the player to build a data pipeline based on the starting notice. And controlling the player to receive the code stream data sent by the terminal equipment after the data pipeline is established, and processing the code stream data by using the data pipeline when the player receives the code stream data to obtain a video picture and an audio. The display displays a video picture, and the audio output device plays audio. According to the embodiment of the invention, data transmission is directly carried out through the terminal equipment and the player, so that communication delay caused by inter-process communication is reduced, the received code stream data is directly processed after the player establishes the data pipeline, cache is reduced, and the delay time of screen projection display is shortened.

A camera monitor system (CMS) for a vehicle includes at least one rear-facing camera that is configured to capture images from a field of view alongside the vehicle. At least one display depicts the captured images to an operator and includes a transparent medium that has at least one display area. A projector that is configured to project the captured images on the display area. A controller is in communication with the at least one camera and the projector. The controller is configured to command the projector to depict the captured images in response to a vehicle operating parameter.

The invention discloses an AI-supported multi-modal desktop interactive projection method and system, and the method comprises the following steps: synchronously collecting visual signals, tactile data and voice input in a desktop projection environment, and obtaining a multi-modal information set after data fusion; calculating priority weight distribution of each mode according to the multi-mode information set, and obtaining a high-priority mode sequence; if the visual signals in the high-priority modal sequence are judged to be dominant, extracting a visual dominant feature group; performing cross validation on the visual dominant feature group and the tactile data, and judging information consistency after data fusion; according to an information consistency result, dynamically adjusting transparency control parameters of projection layering to obtain optimized hierarchical configuration; and updating the projection display content according to the optimized hierarchical configuration, and outputting the final projection content. According to the method, the interaction real-time performance and immersion of desktop projection are improved, and finally the technical effects of optimizing user experience and improving system intelligence are achieved.

The invention belongs to the technical field of projection display, and particularly relates to a micro-projection lens and projection equipment, the micro-projection lens sequentially comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens from an object side to an image side along an optical axis direction, the first lens, the second lens and the fifth lens respectively have positive focal power, and the third lens and the fourth lens respectively have negative focal power; wherein under the same temperature variation, the focal power variation of the second lens is smaller than the other focal power variation; the focal power phi 2 of the second lens and the focal power phi 3 of the third lens meet the condition that phi 2 / phi 3 is greater than or equal to 0.5 and less than or equal to 0.7; and / or the effective focal length f2 of the second lens and the effective focal length f3 of the third lens respectively satisfy the following conditions with the total effective focal length EFL: 0.5 < = f2 / EFL < = 1.0, and-1.0 < = f3 / EFL < =-0.2. The micro projection lens is good in temperature drift stability, is not liable to defocus after being used for a long time, and improves the use experience of a user.

The invention provides a panel lamp light spot uniformity detection method and system and electronic equipment, and the method comprises the steps: analyzing the non-uniform characteristics of brightness gradient distribution according to the intensity and range information of a light spot region, carrying out the image processing of a projection image region, carrying out the quantitative evaluation of the brightness uniformity of a screen, and determining the specific region and degree data of the non-uniform brightness; if the dynamic influence range of the light interference exceeds a preset threshold value, meeting room layout adjustment and equipment position change are determined according to a light interference distribution diagram and equipment configuration parameters, the adjusted light distribution mode change is identified, and the detection priority is determined; according to the detection priority and the brightness deviation index, a brightness compensation method is adopted to carry out local correction on the specific area with the uneven brightness, and corrected brightness distribution data are obtained; and identifying the image definition index and the color rendition degree index after the brightness distribution is corrected, obtaining an area coverage proportion for clearly presenting the information, and judging whether the projection display effect reaches a preset definition standard value or not.

A retinal projection display system includes at least one visible light source for projecting a visible light image, an infrared light source for projecting infrared light, a scanning mirror having a field of view larger than the visible light image, a reflective surface on which the visible light image is projected and on which the infrared light is reflected at least partially towards an eye of a user, wherein the reflective surface is larger than the visible light image, at least one infrared photodetector for receiving reflected infrared light that reflects off of the eye of the user, and a hardware computation module comprising a processor and a memory, the hardware computation module configured to determine a gaze direction of the user based at least in part on the reflected infrared light.

The utility model discloses a computer heat dissipation holographic fan which comprises a mounting frame and a mounting plate, a heat dissipation assembly is mounted in the mounting frame, a rotating cylinder is rotatably mounted at the top of the mounting plate, a holographic projector is fixedly mounted in the rotating cylinder, a rectangular groove is formed in the top of the holographic projector, and the rectangular groove is formed in the top of the holographic projector. A projection lamp strip is fixedly mounted in the rectangular groove; when an arranged driving motor rotates, a connecting column can be driven to rotate, so that a holographic projector rotates, a projection lamp strip is driven to rotate, holographic projection is formed by matching the rotating holographic projector with the projection lamp strip turn-on frequency, and customized 3D models, images and videos can be projected and displayed; in addition, the user can easily upload and manage contents and create personalized and dynamic PC settings, and by means of intelligent speed regulation, wireless power supply and efficient heat dissipation capabilities, the system performance of the user can be improved, and the game atmosphere of the user can be converted into immersive visual experience.

The utility model relates to a movable projection display device, which comprises a top seat, a bottom seat and a projector body, a rotating assembly is arranged on the top seat, a fixing assembly is arranged at the rotating end of the rotating assembly, the fixing assembly is detachably connected with the end part of the projector body, and the pitch angle of the projector body is adjusted through the rotating assembly. The top of the base is provided with a placing groove for placing a projector body, a supporting column is arranged between the top seat and the base, and four corners of the bottom of the base are respectively provided with a self-locking universal wheel. The utility model has the advantages of flexible adjustment and convenient storage.

The invention discloses an intelligent control method, device and equipment for an AR interaction sand table and a medium, and the method comprises the steps: obtaining a color image and a depth array collected by sand table detection equipment, carrying out the recognition of a color object contained in the color image, obtaining image recognition information, carrying out the conversion and detection of the depth array, and obtaining a detection result, whether the coordinate position of the target object in the image recognition information coincides with the coordinate range of the pit data in the detection result or not is judged, if any pit data coincides with the target object, a projection display result is generated according to the starting instruction and the pit data and sent to the projector, and the steps are executed circularly to achieve the real-time interaction function. According to the intelligent control method for the AR interaction sand table, the color information and the depth information of the object can be accurately recognized at the same time, the interaction efficiency and naturalness between the object and the virtual environment are improved, and the interaction function can be flexibly expanded according to different application scenes and user requirements.

The invention discloses a dynamic projection interaction calibration method and system for an annular science magic space, and belongs to the technical field of projection interaction. The method comprises the steps of obtaining three-dimensional point cloud data of an annular wall surface and spatial pose information of each projector, constructing a wall surface point cloud model, completing projector calibration according to the wall surface point cloud model, and obtaining a pose parameter data set; and based on the data set, mapping each frame of pixel of a preset picture sequence to a corresponding position of the wall surface in real time. And if user interaction is detected, determining an interaction area and executing corresponding logic. In the process, projection feedback images are continuously collected, dynamic calibration and tiny compensation are carried out in combination with pose parameters, calibration projection coordinates and real-time interaction response data are generated, and accordingly, all projectors are controlled to complete real-time and stable projection display on the annular wall surface. According to the scheme, the projection picture is highly consistent with the annular wall surface and user operation, dynamic calibration and real-time interaction are realized, the display precision and stability of projection are improved, and the immersion experience of a user is enhanced.

The application discloses a vehicle-mounted head-up display device and a display control method and device thereof, a vehicle and a storage medium. The method comprises the following steps: detecting whether the display area needs to be refreshed, wherein the display area is an area for realizing multiple display of the same area content; when it is detected that the display area needs to be refreshed, determining a first display content image displayed at a time point before the display area is refreshed; determining a second display content image to be displayed when the display area is refreshed; and controlling the first display content image and the second display content image to be displayed in a ghosting mode with a preset transparency in the display area. The method can provide optimal image visual effects in any scene, the image semi-transparent display and the control of the display area content refreshing can be realized through the data content and the instruction received by the HUD, the projection content of the projection display area of the HUD is enriched, the display effect of the projection display area is enriched, and the use experience of the user is improved.

The invention belongs to the field of projection display, and discloses a rear projection screen, which comprises an imaging layer, a black light absorption layer and a zigzag microstructure layer, the black light absorption layer is composed of a first black light absorption layer and a second black light absorption layer; the first black light absorption layer comprises a plurality of first black light absorption strips, the second black light absorption layer comprises a plurality of second black light absorption strips, and the first black light absorption strips and the second black light absorption strips are orthogonally stacked and arranged; the distribution distance between every two adjacent first black light absorption strips is increased or the distribution distance between every two adjacent second black light absorption strips is increased from the transverse center line / the vertical center line of the screen to the edges of the two ends. According to the rear projection screen, more projection light rays are absorbed in the central area of the screen and less or no projection light rays are absorbed in other areas by setting the distribution distance between the first black light absorption strips and the second black light absorption strips, so that the brightness difference between the central area of the projection screen and the other areas is reduced, and the brightness of the projection screen is improved. And the rear projection screen with high brightness uniformity is obtained.

The invention discloses a light source module and a projection display device. The light source module comprises a laser light source; the coupling lens is arranged on an emergent light path of the laser light source, and the light incident side and / or the light emergent side of the coupling lens are / is provided with an aperture diaphragm; and the tail fiber is arranged on an emergent light path of the coupling lens, light emitted by the laser light source is coupled into the tail fiber through the coupling lens, and by setting the type of the tail fiber and designing an optical fiber coupling end face, echoes and stray light generated at the optical fiber coupling end face are reduced, the influence of the echoes and the stray light on output of the laser is weakened and avoided, and the imaging quality is improved.

A projection display device includes a light source; and an optical system unit configured to process a light from the light source and to emit the light outside the projection display device. The optical system unit includes an outer shell member having an emission opening positioned at a position from which the light is emitted; and a transparent member disposed at the emission opening of the outer shell member at the emission opening. The transparent member is retained at a retention temperature which is higher by 1° C. or more than an inner-wall temperature of the outer shell member after a light source has been turned off.

The utility model relates to the technical field of projection display, and discloses a dimming device which comprises a light modulator used for modulating light source light into image light; the heat dissipation assembly is located on one side of the light modulator and used for dissipating heat of the light modulator; and the semiconductor cooler is located between the light modulator and the heat dissipation assembly and used for adjusting the temperature of the light modulator. The utility model further relates to projection equipment. The dimming device and the projection equipment disclosed by the utility model are beneficial to improving the heating power and the temperature rise response speed.

According to the projection display system and the vehicle provided by the invention, the structural size of the projection display system is reduced, and the internal attractiveness and the internal activity space of the vehicle are increased, so that the driving experience of a driver and passengers is improved. The projection display system comprises projection equipment, a light splitting element, a reflection element and a transmission element, the projection equipment, the light splitting element and the transmission element are all located in the vehicle, the projection equipment is used for emitting first light and second light to the light splitting element, and the light splitting element is located on the side, close to human eyes, of the projection equipment and used for separating the first light and the second light. The reflection element is arranged on window glass of a vehicle and used for diffracting the first light reflected by the light splitting element to human eyes, and the transmission element is located on the side, away from the projection equipment, of the light splitting element and used for transmitting the second light transmitted by the light splitting element to the human eyes.

The utility model belongs to the technical field of projection display devices, in particular to a projection display device capable of displaying finished art products in multiple directions, which comprises a base, a support plate is arranged above the base, a lifting mechanism for adjusting the height of the support plate is arranged at the top of the base, and an annular rail is fixed at the top of the support plate. According to the utility model, through the cooperation of the gear I and the gear ring, the display stand has a rotatable function, so that visitors can appreciate works from different angles, the display stand is suitable for displaying finished art models under the condition of limited space or more audiences, and the height of the display stand can be adjusted through the lifting mechanism, so that the display stand is convenient to use. And secondly, the arranged protection mechanism can be used for protecting the finished art product model after being visited every time, so that the influence of dust and humid air in the air on the finished art product model can be reduced.

The invention relates to the technical field of projection display, in particular to display equipment and a vehicle. According to the invention, by utilizing the characteristic that light rays from backward flowing of sunlight are partially reflected to the image source display surface and partially transmitted to one side of the back surface of the first reflector according to a transmission path determined by the first reflector, the transmitted light rays are received by the light receiving part arranged on one side of the back surface of the first reflector; and the equivalent temperature of the corresponding position of the image source display surface is detected through a temperature sensor on the incident surface of the light receiving part, so that the influence of sunlight of the same source on the surface of the image source is judged. According to the invention, the fineness of temperature monitoring on the surface of the image source can be improved, the temperature of any position on the surface of the image source can be accurately detected, and the capability of positioning extreme temperature generated by backward sunlight is enhanced.

The invention discloses projection equipment, which is characterized in that a diffractive optical element is arranged on the light emitting side of a light combining assembly, is separated from the light combining assembly by a set distance, is provided with a plurality of subareas, corresponds to laser of one color and moves according to the color of the laser emitted by a laser light source, so that the color of the laser emitted by the diffractive optical element is changed; different colors of laser emitted by a laser light source are respectively incident to corresponding partitions of a diffractive optical element, and each partition collimates the incident laser beam of the corresponding color, so that the diffractive optical element collimates the different colors of laser emitted by the laser and then irradiates the phase modulation device according to different time sequences. The efficiency of collimating laser beams of various colors by the diffractive optical element is improved, and the projection display effect is further improved.

This invention discloses a beam expander lens for laser scanning projection, relating to the field of laser projection display technology. It includes a first lens group, a second lens group, a third lens group, and a fourth lens group, arranged sequentially along the optical axis. These four lens groups together form the complete lens. The first, second, third, and fourth lens groups are arranged in a positive-negative-negative-negative optical power configuration. Through innovative optical architecture and optical power allocation, a large-angle beam expander function is achieved within a space of less than 35mm in total length, greatly saving internal space. By utilizing the chromatic aberration correction capability of the first lens group and the aberration correction capabilities of the second, third, and fourth lens groups, high-contrast imaging is achieved across the entire field of view and wavelength range, with concentrated dot matrix energy, meeting the requirements of high-resolution projection.

This invention provides a wireless communication method, apparatus, device, and storage medium for a projector. The method includes: receiving a mobile network signal through an antenna array, filtering and switching it via a radio frequency front end, and then amplifying it using a low-noise amplifier; demodulating and processing the amplified radio frequency signal using a baseband processor to obtain baseband data; encrypting and decrypting the baseband data and managing its quality of service using a network communication core processor; and transmitting the processed network data to a main control chip module via a USB interface for decoding and display scheduling, then driving the image imaging and display module for projection display. By integrating a mobile network communication module into the projector, data can be transmitted directly via the mobile network, bypassing external WiFi routers and preventing data interception during relay, thus improving data transmission security.

The invention provides a road projection display control method and a display control device, which can display information in an appropriate direction corresponding to a direction toward an occupant approaching a vehicle without passing through a sensor or the like when presenting certain information to the occupant during riding or getting off the vehicle. According to the method for controlling the road projection display, an image is projected on a road surface (50) around an opening of a door (12) on the side of a vehicle (11) by a road projector unit, and when wireless unlocking is detected from a state in which an ignition switch is turned off when the vehicle (11) is stopped, the image is projected on the road surface (50) by the road projector unit. The projection control unit displays the upper side of the display pattern of the road projection display (63) on the vehicle (11) side.

This suppresses the tilting of the convex portions of the grid structure caused by the formation of the functional film, thereby improving optical properties. [Solution] The wire grid polarizing element 1 comprises a substrate 10, a grid structure 20 in which a base portion 21 and a plurality of protrusions 22 are integrally formed, a functional film 30 covering a portion of the protrusions 22, and a reinforcing film 51. The reinforcing film 51 is made of an inorganic oxide and is interposed between a portion of the protrusions 33 covered by the functional film 30 and the functional film 30, reinforcing the protrusions 22. The reinforcing film 51 covers at least the tip 22a and the upper sides of both sides 22b of the protrusions 22. The functional film 30 covers the top of the protrusions 22 via the reinforcing film 51, but does not cover the bottom side of the protrusions 22 or the base portion 21, and its coverage rate (Rc) is 30% or more and 70% or less.

The invention relates to an MEMS micromirror, in particular to a self-alignment MEMS micromirror based on electrostatic driving, which comprises an inner layer structure and an outer layer structure, the inner layer structure comprises a rectangular mirror surface, a rectangular inner frame and a rectangular outer frame, the left side surface and the right side surface of the rectangular mirror surface are respectively provided with a mirror surface boss in an extending manner, and the side surface of each mirror surface boss is provided with two comb tooth beams A in an extending manner; the inner side face of the rectangular inner frame is provided with four rows of driving comb teeth A in an extending mode, the front outer side face and the rear outer side face of the rectangular inner frame are each provided with an inner frame boss in an extending mode, the side face of each inner frame boss is provided with two comb tooth beams B in an extending mode, and the inner side face of the rectangular outer frame is provided with four rows of driving comb teeth B. The outer layer structure comprises four comb tooth beams C and a rectangular bottom frame. A rectangular anchor block is fixed to the upper surface of each frame edge of the rectangular bottom frame, and a row of driving comb teeth C are arranged on the inner side face of each rectangular anchor block in an extending mode. The MEMS micro-mirror solves the problem that an existing MEMS micro-mirror is low in light source utilization rate, and is suitable for the fields of projection display, laser radar, optical communication and the like.

The application provides a screen projection display method, a smart terminal and a storage medium, and relates to the technical field of communication. The method comprises the following steps: after a screen projection connection is established with a source device, receiving a device identifier and a current mode sent by the source device; finding a recommended application corresponding to the device identifier and the current mode in a preset database; and opening and displaying the recommended application. The above-mentioned method automatically triggers the opening and display of the recommended application corresponding to the current mode, thereby improving the efficiency of application screen projection display.

A projection display includes a light source, and at least one assembly. Each assembly has an optical element and at least two individual optical channels. Each of the optical channels are formed of a surface light modulator which influences a light propagation direction pixel by pixel. For all of the individual optical channels of the assembly, a cross-channel totality of optical elements of all individual optical channels illuminates the surface light modulator when light enters the assembly so that the optical element of the individual optical channel images a light which is reflected at the surface light modulator as an object structure and all images of the individual optical channels are superimposed to form one or more virtual or real overall images on a screen.

The embodiment of the present application provides a kind of projection display equipment and projection display method, it is related to projection technical field.The projection display equipment includes: detector, is configured to receive the movement instruction of user input;The movement instruction is used to indicate that projection picture moves to specified direction;Controller is configured as: in response to the movement instruction, the projection picture is moved to the specified direction;When the projection picture contacts the first boundary of light emitting area, it is judged whether the first boundary is the boundary corresponding in the specified direction;If not, then the projection picture is moved along the first boundary.The embodiment of the present application is used to improve user experience when adjusting projection picture.

Methods and vehicle with sound visualization are provided. A vehicle includes a graphic projection display; exterior microphones mounted to the vehicle; and a processing device programmed to receive audio signals from the exterior microphones; retrieve map data in a region around the vehicle; identify from the audio signals a sound of interest; identify a location of a source of the sound of interest; determine a stationary status or a moving status of the source; when the source has the moving status, determining a direction and speed of movement of the source; ascertain from the map data and from the location, stationary status, moving status, direction, and / or speed, a preferred driving maneuver; determine a graphic exemplifying the preferred driving maneuver; and display the graphic upon the graphic projection display.