Multi-dimensional holographic display method based on quantum dot light source

Through a multi-dimensional holographic display method based on quantum dot light source, combined with holographic encoding and spatial light modulation technology, the problem of relying on display media in the prior art is solved, carrier-free imaging and high-quality holographic image display are realized, and immersive enhancement is provided Realistic experience.

CN119472214AInactive Publication Date: 2025-02-18GUANGZHOU ACADEMY OF FINE ARTS
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Patent Information

Application Number
CN202411519134.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-02-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing holographic display technology relies on specific display media, making it difficult to achieve carrier-free imaging, and the natural expression of image depth information and viewing angles is limited.

Method used

Using a multi-dimensional holographic display method based on quantum dot light sources, high brightness and high monochromatic light is emitted through the quantum dot light source, combined with holographic encoding technology to generate a holographic image containing amplitude and phase information, and using spatial light modulators and advanced optics The system performs projection to achieve carrier-free imaging.

Benefits of technology

Real carrier-free imaging is achieved, the image is accurately reconstructed in the observation space, brightness, color and three-dimensionality achieve excellent display effects, and the image quality is optimized through deep learning algorithms to provide an immersive augmented reality experience.

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Abstract

The invention provides a multi-dimensional holographic display method based on a quantum dot light source, and the method comprises the steps: preparing the quantum dot light source which emits high-brightness and high-monochromaticity light, carrying out the holographic coding of a target image, generating a holographic image containing amplitude and phase information, modulating the holographic image to a light beam of the quantum dot light source through a spatial light modulator, and carrying out the holographic coding. The method comprises the steps of forming a modulated light beam, projecting the light beam through an optical system, reconstructing a multi-dimensional holographic image in an observation space, further optimizing the multi-dimensional holographic image by using a deep learning algorithm, improving the display quality, and finally combining multi-dimensional holographic image display with an augmented reality technology to realize seamless fusion of a virtual image and a real world. In addition, the invention further relates to electronic equipment for executing the method and a computer storage medium storing codes for executing the program, and powerful support is provided for implementation of the multi-dimensional holographic display technology.
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Description

Technical Field

[0001] The present invention relates to the field of display technology, and more specifically, to a multi-dimensional holographic display method based on quantum dot light sources. Background Art

[0002] As a cutting-edge display technology, holographic projection technology has shown broad application prospects in many fields in recent years. It can create three-dimensional and realistic virtual images, bringing immersive visual experience to the audience. The history of holographic technology can be traced back to the 1940s. The inventor Dennis Gaber won the 1971 Nobel Prize in Physics for his invention. Holographic technology uses the coherence of light to record all information of an object, so it can achieve the reproduction of three-dimensional images. With the emergence of laser technology, holographic projection technology entered a new stage of development in 1960, which promoted the emergence of various technologies such as transmission holography, reflection holography, and rainbow holography. At present, holographic projection technology has gradually matured and has been successfully applied to medicine, engineering, visual arts and other fields.

[0003] Existing holographic display technology usually relies on specific display media, making it difficult to achieve true carrier-free imaging, and there are still limitations in the natural expression of image depth information and viewing angles. Summary of the invention

[0004] In order to overcome the problems that the existing holographic display technology usually relies on specific display media, is difficult to achieve true carrier-free imaging, and still has limitations in the natural expression of image depth information and viewing angles, the present invention designs a multi-dimensional holographic display method based on quantum dot light sources that can effectively solve the problem.

[0005] In order to solve the above technical problems, the technical solution of the present invention is as follows:

[0006] A multi-dimensional holographic display method based on quantum dot light source comprises the following steps:

[0007] Prepare a quantum dot light source, which emits high-brightness, high-monochromaticity light;

[0008] Holographically encode the target image to generate a holographic image containing amplitude and phase information;

[0009] Using a spatial light modulator to modulate the holographic image onto the light beam of the quantum dot light source to form a modulated light beam;

[0010] Projecting the modulated light beam through an optical system to reconstruct a multi-dimensional holographic image in an observation space;

[0011] Optimizing the multi-dimensional holographic image using a deep learning algorithm;

[0012] The multi-dimensional holographic image display is combined with augmented reality technology to provide an immersive experience.

[0013] Preferably, the step of preparing a quantum dot light source comprises:

[0014] Select semiconductor materials;

[0015] Preparation of quantum dots;

[0016] embedding the quantum dots into a matrix material to form a quantum dot solution or film;

[0017] Designing the size and shape of the quantum dots to achieve desired luminescent properties;

[0018] The quantum dots are excited by an external electric field or light to generate light with high brightness and high monochromaticity.

[0019] Preferably, the step of holographically encoding the target image comprises:

[0020] Using computer graphics technology to digitize the target image to obtain a digital matrix of the target image;

[0021] Applying a holographic encoding algorithm to convert the target image into the holographic image;

[0022] encoding the amplitude and phase information of the target image into the holographic image;

[0023] And verify the correctness and integrity of the holographic image.

[0024] Preferably, the step of using a spatial light modulator to modulate the holographic image onto the light beam of the quantum dot light source to form a modulated light beam comprises:

[0025] Select a spatial light modulator;

[0026] Loading the holographic image into the memory of the spatial light modulator, and controlling the pixel unit of the spatial light modulator through an electrical signal;

[0027] adjusting the phase and amplitude pattern of the spatial light modulator to match the holographic image;

[0028] The light beam of the quantum dot light source is modulated by the spatial light modulator to form the modulated light beam.

[0029] Preferably, the step of projecting the modulated light beam through an optical system comprises:

[0030] The optical system includes a lens, a reflector, a polarizer and a beam splitter;

[0031] Precisely adjusting the focal length and position of the lens to achieve focusing of the modulated light beam, ensuring that the modulated light beam accurately converges at a specific position in the observation space;

[0032] Changing the propagation direction of the modulated light beam by the reflector to facilitate forming the holographic image in the desired observation space;

[0033] Using the polarizer to control the polarization state of the modulated light beam, thereby enhancing the brightness of the holographic image and reducing interference;

[0034] Splitting the modulated light beam by the beam splitter to form a plurality of sub-modulated light beams, so as to generate a plurality of the holographic images or realize color display;

[0035] Also included is using a beam shaping device to adjust the cross-sectional shape of the modulated light beam to match the requirements of the observation space;

[0036] By using dynamic optical elements, the focal length and spot size of the modulated light beam are adjusted in real time to meet different display requirements;

[0037] Using a beam scanning mechanism, the modulated light beam is quickly scanned to realize the display of a dynamic holographic image;

[0038] Combining the multiple sub-modulated light beams into a complete holographic image through a light beam combining device;

[0039] The spectral characteristics of the projected modulated light beam are monitored and analyzed by a beam analysis device in the optical system to ensure the color accuracy and brightness uniformity of the holographic image.

[0040] Preferably, the step of optimizing the multi-dimensional holographic image by using a deep learning algorithm comprises:

[0041] Collecting a data set of the multi-dimensional holographic image, including an ideal multi-dimensional holographic image without noise and a multi-dimensional holographic image with noise and distortion generated in actual display;

[0042] Training a deep learning model to identify and correct defects in the multi-dimensional holographic image;

[0043] Applying a deep learning model to perform denoising and enhancement processing on the multi-dimensional holographic image;

[0044] Adjust deep learning model parameters to suit different display requirements and environmental conditions;

[0045] The multi-dimensional holographic image is updated in real time using a deep learning model to improve the display quality of the multi-dimensional holographic image.

[0046] Preferably, the step of combining the multi-dimensional holographic image display with augmented reality technology comprises:

[0047] Combine multi-dimensional holographic image display technology with augmented reality technology to achieve seamless integration of virtual images and the real world;

[0048] By tracking the user's line of sight and position, the position and angle of the holographic image are dynamically adjusted to provide an immersive augmented reality experience.

[0049] An electronic device, comprising:

[0050] A memory storing executable program code;

[0051] a processor coupled to the memory;

[0052] The processor calls the executable program code stored in the memory to execute the multi-dimensional holographic display method based on quantum dot light source as described above.

[0053] A computer storage medium stores computer instructions, which, when called, are used to execute a multi-dimensional holographic display method based on a quantum dot light source as described above.

[0054] Compared with the prior art, the present invention has the following beneficial effects: the present invention adopts a quantum dot light source to emit high-brightness, high-monochromatic light, combined with holographic encoding technology, to generate a holographic image containing amplitude and phase information. The unique properties of this light source enable the holographic image to be directly reconstructed in the air without relying on any specific display medium, thereby realizing true carrier-free imaging. The holographic image is modulated onto the light beam of the quantum dot light source through a spatial light modulator to form a modulated light beam, which is then projected using an advanced optical system, thereby ensuring accurate reconstruction of the holographic image in the observation space. The precise adjustment of components such as lenses, reflectors, polarizers and beam splitters in the optical system enables the holographic image to achieve excellent display effects in terms of brightness, color and stereoscopic sense. By collecting and training a large amount of holographic image data, we can identify and correct image defects, effectively remove noise and distortion, and improve the display quality of holographic images. The real-time update function of the deep learning model enables holographic images to be adaptively adjusted according to different display requirements and environmental conditions, further improving the user experience. By combining multi-dimensional holographic display technology with augmented reality technology, the position and angle of the holographic image are dynamically adjusted by tracking the user's line of sight and position, achieving a seamless fusion of virtual images and the real world, providing an immersive augmented reality experience. This fusion not only enhances the user's interactivity and immersion, but also makes breakthroughs in the natural expression of image depth information and viewing angles, making holographic images more realistic and vivid. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived based on the provided drawings without paying any creative work.

[0056] Figure 1 This is a step-by-step diagram of a multi-dimensional holographic display method based on quantum dot light sources. DETAILED DESCRIPTION

[0057] The drawings are for illustrative purposes only and should not be construed as limiting the present patent;

[0058] In order to better illustrate the present embodiment, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product;

[0059] It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0060] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0061] Example

[0062] A multi-dimensional holographic display method based on quantum dot light source, such as Figure 1 As shown, the following steps are included:

[0063] Prepare a quantum dot light source, which emits high-brightness, high-monochromaticity light;

[0064] Holographically encode the target image to generate a holographic image containing amplitude and phase information;

[0065] Using a spatial light modulator to modulate the holographic image onto the light beam of the quantum dot light source to form a modulated light beam;

[0066] Projecting the modulated light beam through an optical system to reconstruct a multi-dimensional holographic image in an observation space;

[0067] Optimizing the multi-dimensional holographic image using a deep learning algorithm;

[0068] The multi-dimensional holographic image display is combined with augmented reality technology to provide an immersive experience.

[0069] The steps of preparing a quantum dot light source include:

[0070] Semiconductor materials such as III-V or II-VI compounds are selected; the semiconductor materials are III-V compounds such as InP, GaAs, or II-VI compounds such as CdSe, ZnS, and alloys thereof to achieve the desired light emission wavelength.

[0071] Preparation of quantum dots: preparing quantum dots by chemical synthesis methods, such as hot injection of organometallic precursors, solvothermal methods or solution processes, or growing quantum dots on a suitable substrate using molecular beam epitaxy (MBE) technology or quantum dot printing technology.

[0072] Embedding the quantum dots into a matrix material to form a quantum dot solution or film; the matrix material may be a polymer, glass or other transparent material;

[0073] Designing the size and shape of the quantum dots to achieve desired luminescent properties; Designing the size and shape of the quantum dots to achieve desired luminescent properties, including luminescent wavelength, luminescent efficiency, and photostability, by adjusting the diameter, shape, and crystallinity of the quantum dots;

[0074] Surface modification of quantum dots, introduction of new functional ligands through ligand exchange or surface passivation technology, to improve the luminescence performance and chemical stability of quantum dots;

[0075] Integrating a quantum dot solution or film into a light source device, such as a light emitting diode (LED) or a laser, to form a quantum dot light source;

[0076] Exciting the quantum dots by an external electric field or light to generate light with high brightness and high monochromaticity, activating the quantum dots by external electric field excitation, such as voltage applied to an LED structure, or by light excitation, such as using a pulsed laser, to generate light with high brightness and high monochromaticity;

[0077] The step of holographically encoding the target image comprises:

[0078] Using computer graphics technology to digitally process the target image to obtain a digital matrix of the target image; the target image may be a two-dimensional image, a three-dimensional model or a dynamic video sequence;

[0079] Applying a holographic encoding algorithm, such as a Fourier transform or a Fresnel transform algorithm, to convert the target image into the holographic image;

[0080] Encoding the amplitude and phase information of the target image into the holographic image; calculating the amplitude information of the sub-image, the amplitude information reflects the brightness information of the image;

[0081] generating phase information of the sub-images, the phase information being used to restore the depth and three-dimensional structure of the image during reconstruction;

[0082] and verifying the correctness and integrity of the holographic image, sampling the holographic image taking into account the wavelength of the light source, the spatial frequency and the resolution of the hologram to ensure the accuracy of the holographic reconstruction;

[0083] Optimize the holographic image, including amplitude and phase adjustment, to reduce noise and artifacts in the reconstruction process and improve the quality of the holographic image;

[0084] The step of using a spatial light modulator to modulate the holographic image onto the light beam of the quantum dot light source to form a modulated light beam comprises:

[0085] Select a spatial light modulator (SLM); such as a liquid crystal display panel or a micro-electromechanical system (MEMS) device;

[0086] Loading the holographic image into the memory of the spatial light modulator, and controlling the pixel unit of the spatial light modulator through an electrical signal;

[0087] adjusting the phase and amplitude pattern of the spatial light modulator to match the holographic image;

[0088] The light beam of the quantum dot light source is modulated by the spatial light modulator to form the modulated light beam, wherein the SLM has high resolution, fast response time and sufficient modulation depth to accommodate the complexity and dynamic changes of the holographic image;

[0089] Load the holographic image into the digital memory of the SLM, ensuring that the pixels of the holographic image correspond one-to-one with the pixels of the SLM;

[0090] Calibrating the SLM, which involves adjusting its phase and amplitude response to match the properties of the quantum dot light source, ensuring accurate modulation of the holographic image;

[0091] Collimate the light beam emitted by the quantum dot light source and align it to the SLM through an optical system so that the light beam is incident vertically on the surface of the SLM;

[0092] Start the SLM to modulate the phase and amplitude of the incident light beam according to the loaded holographic image, thereby encoding the information of the holographic image into the quantum dot light source beam;

[0093] Adjust the operating parameters of the SLM, such as refresh rate, grayscale level, and phase modulation depth, to optimize the quality of the modulated beam;

[0094] Monitor the modulation process and detect the intensity, phase and frequency of the modulated light beam through a real-time feedback system to ensure accurate transmission of holographic information;

[0095] The step of projecting the modulated light beam through an optical system comprises:

[0096] The optical system includes a lens, a reflector, a polarizer and a beam splitter;

[0097] Precisely adjusting the focal length and position of the lens to achieve focusing of the modulated light beam, ensuring that the modulated light beam accurately converges at a specific position in the observation space;

[0098] Changing the propagation direction of the modulated light beam by the reflector to facilitate forming the holographic image in the desired observation space;

[0099] Using the polarizer to control the polarization state of the modulated light beam, thereby enhancing the brightness of the holographic image and reducing interference;

[0100] Splitting the modulated light beam by the beam splitter to form a plurality of sub-modulated light beams, so as to generate a plurality of the holographic images or realize color display;

[0101] It also includes using a beam shaping device, such as a beam shaping lens or a beam shaping optical phased array, to adjust the cross-sectional shape of the modulated light beam to match the requirements of the observation space;

[0102] By using dynamic optical elements, such as a tunable lens or a tunable aperture, the focal length and the spot size of the modulated light beam are adjusted in real time to meet different display requirements;

[0103] Using a beam scanning mechanism, such as a galvanometer or an acousto-optic deflector, to quickly scan the modulated light beam to achieve the display of a dynamic holographic image;

[0104] Combining the plurality of sub-modulated light beams into a complete holographic image through a beam combining device, such as a beam combiner or a beam combining array;

[0105] The spectral characteristics of the projected light beam are monitored and analyzed by a beam analyzing device in the optical system, such as a beam analyzer or a spectrum analyzer, to ensure the color accuracy and brightness uniformity of the holographic image.

[0106] After completing all the above steps, the modulated light beams interact with each other in the observation space and reconstruct a multi-dimensional holographic image through diffraction and interference phenomena.

[0107] In the observation space, one or more observation areas are set to ensure that the user can observe different dimensions of the holographic image from different angles in these areas;

[0108] Provide instructions or guide users to the best viewing position to obtain the best holographic image viewing experience;

[0109] If using special viewing devices, such as holographic glasses, ensure that these devices are compatible with the holographic display system and can correctly decode and display holographic images;

[0110] Adjust the settings of the holographic glasses, such as focal length, pupil distance and field of view, to suit the needs of different users;

[0111] By tracking the user's position and head movement in real time, the parameters of the optical system or holographic glasses are dynamically adjusted to maintain the stability of the holographic image and the continuity of viewing;

[0112] Create appropriate lighting conditions in the observation space to avoid strong direct light or reflections, reduce interference with holographic images, and improve image visibility and color reproduction.

[0113] The step of optimizing the multi-dimensional holographic image by using a deep learning algorithm comprises:

[0114] Collecting a data set of the multi-dimensional holographic image, including an ideal multi-dimensional holographic image without noise and a multi-dimensional holographic image with noise and distortion generated in actual display;

[0115] Training a deep learning model, such as a convolutional neural network (CNN), to identify and correct defects in the multi-dimensional holographic image; designing a convolutional neural network (CNN) architecture, or selecting other suitable deep learning models, such as a generative adversarial network (GAN) or a recurrent neural network (RNN);

[0116] Initialize model parameters and train the model using the preprocessed training dataset;

[0117] During the training process, batch normalization, dropout, regularization and other techniques are used to prevent overfitting and improve model performance;

[0118] The model performance is evaluated through cross-validation and validation data sets, and the model structure and hyperparameters are adjusted until satisfactory recognition and correction effects are achieved.

[0119] Applying a deep learning model to perform denoising and enhancement processing on the multi-dimensional holographic image;

[0120] Input the actual holographic image into the trained deep learning model;

[0121] The model analyzes the input image and identifies defects such as noise and distortion;

[0122] The model outputs a holographic image that has been denoised and enhanced, and uses an algorithm to correct defects and improve image clarity and visual quality.

[0123] Adjust deep learning model parameters to suit different display requirements and environmental conditions;

[0124] Dynamically adjust the parameters of the deep learning model according to different display requirements and environmental conditions, such as light intensity, viewing distance, display medium, etc.

[0125] Implement a feedback mechanism to automatically adjust model parameters to optimize display quality by monitoring the display effect of holographic images in real time.

[0126] The multi-dimensional holographic image is updated in real time using a deep learning model to improve the display quality of the multi-dimensional holographic image.

[0127] Use deep learning models to process and update holographic images in real time to adapt to dynamic changes in target images or real-time changes in environmental conditions;

[0128] Implement efficient computing processes to ensure that real-time processing of holographic images does not introduce significant delays and maintain the smoothness of holographic display;

[0129] The model is regularly retrained with new data to continuously improve the optimization of holographic images.

[0130] The step of combining the multi-dimensional holographic image display with augmented reality technology comprises:

[0131] Combine multi-dimensional holographic image display technology with augmented reality (AR) technology to achieve seamless integration of virtual images and the real world;

[0132] By tracking the user's line of sight and position, the position and angle of the holographic image are dynamically adjusted to provide an immersive augmented reality experience.

[0133] Design and integrate an augmented reality system, which includes a holographic display module, a sensor module, a computing and processing module, and a human-computer interaction interface, to ensure that the holographic display module can generate high-quality multi-dimensional holographic images and display them synchronously with real-world scenes, integrate sensors such as depth cameras, inertial measurement units (IMUs), GPS, etc. in the system to track the user's position and line of sight in real time, accurately parse sensor data, determine the user's head posture, line of sight focus, and body position, calculate the correct display position and angle of the multi-dimensional holographic image in real time based on the user's position and line of sight data, adjust the holographic optical element or spatial light modulator to change the projection direction and position of the multi-dimensional holographic image, ensure the alignment of the multi-dimensional holographic image with the user's perspective, and fuse the multi-dimensional holographic image with the user's perspective. The algorithm combines virtual multi-dimensional holographic images with real-world scenes to ensure a natural visual fusion of the two, considers the lighting conditions, object occlusion, and perspective relationships in the real world, adjusts the brightness, contrast, and transparency of the holographic image, and dynamically adjusts the interactivity and responsiveness of the multi-dimensional holographic image according to the user's behavior and reaction, providing a more natural and intuitive interactive experience, and realizing real-time updates of multi-dimensional holographic images to match the user's movement and interaction in the real world, maintaining the consistency and continuity of the augmented reality experience, collecting user feedback and system performance data to optimize user tracking accuracy, multi-dimensional holographic image adjustment speed, and the overall quality of the augmented reality experience, and regularly updating system software and hardware to introduce new augmented reality technologies and improved user tracking methods.

[0134] An electronic device, comprising:

[0135] A memory storing executable program code;

[0136] a processor coupled to the memory;

[0137] The processor calls the executable program code stored in the memory to execute the multi-dimensional holographic display method based on quantum dot light source as described above.

[0138] A computer storage medium stores computer instructions, which, when called, are used to execute the above-mentioned multi-dimensional holographic display method based on quantum dot light sources.

[0139] In the specific implementation, step 1: preparing a quantum dot light source

[0140] Select semiconductor materials, select semiconductor materials with high luminous efficiency and stability, such as cadmium selenide (CdSe) or indium gallium nitride (InGaN).

[0141] Quantum dots are prepared by chemical synthesis methods, such as hot injection or sol-gel method, to produce quantum dots of uniform size, the diameter of which is usually between a few nanometers and tens of nanometers.

[0142] Embedding the matrix material, embedding the prepared quantum dots into a transparent polymer matrix material to form a quantum dot solution or film, which can both protect the quantum dots and make them evenly dispersed.

[0143] By designing the size and shape of quantum dots, different luminous wavelengths and luminous efficiencies can be achieved to meet the needs of holographic display.

[0144] Excite quantum dots through external electric fields or light excitation, so that the quantum dots emit high-brightness, high-monochromaticity light. This can be achieved by applying voltage on both sides of the quantum dot film or using laser to irradiate the quantum dot solution.

[0145] Step 2: Holographic encoding of the target image

[0146] Digitization uses computer graphics techniques to convert the target image into a digital matrix. This can be done by scanning the image or using image editing software.

[0147] Holographic encoding algorithm, applies a holographic encoding algorithm, such as off-axis digital holography or computational holography, to convert the target image into a holographic image containing amplitude and phase information.

[0148] Verify the holographic image, through computer simulation or experimental verification, to ensure the correctness and integrity of the holographic image, which can be achieved by comparing the original image and the reconstructed holographic image.

[0149] Step 3: Modulate the beam using a spatial light modulator

[0150] Select a spatial light modulator. Choose one with high resolution and fast response speed, such as a liquid crystal spatial light modulator or a digital micromirror device (DMD).

[0151] Load the holographic image, load the holographic image into the memory of the spatial light modulator, and control its pixel units through electrical signals.

[0152] Adjust the phase and amplitude pattern by adjusting the phase and amplitude pattern of the spatial light modulator to match the holographic image.

[0153] Modulate the light beam, irradiate the light beam emitted by the quantum dot light source onto the spatial light modulator, and form a modulated light beam containing holographic information through modulation of the spatial light modulator.

[0154] Step 4: Project the modulated beam through the optical system

[0155] Build an optical system that includes lenses, mirrors, polarizers, and beamsplitters.

[0156] Adjust the focal length and position of the lens to accurately adjust the focal length and position of the lens to focus the modulated light beam and ensure that it accurately converges at a specific position in the observation space.

[0157] Change the propagation direction and change the propagation direction of the modulated light beam through a reflector so that it forms a holographic image in the desired observation space.

[0158] Control the polarization state. Use a polarizer to control the polarization state of the modulated light beam to enhance the brightness of the holographic image and reduce interference.

[0159] Beam splitting and synthesis: the modulated light beam is divided into multiple sub-modulated light beams by a beam splitter to achieve multiple holographic images or color displays, and then the multiple sub-modulated light beams are synthesized into a complete holographic image using a beam synthesis device.

[0160] Beam shaping and dynamic adjustment use beam shaping devices to adjust the cross-sectional shape of the modulated beam to match the requirements of the observation space. At the same time, dynamic optical elements are used to adjust the focal length and spot size of the modulated beam in real time to adapt to different display requirements.

[0161] Beam scanning and monitoring uses a beam scanning mechanism to quickly scan the modulated light beam to achieve the display of dynamic holographic images, and monitors and analyzes the spectral characteristics of the projected modulated light beam through a beam analysis device in the optical system to ensure the color accuracy and brightness uniformity of the holographic image.

[0162] After completing all the above steps, the modulated light beams interact with each other in the observation space and reconstruct a multi-dimensional holographic image through diffraction and interference phenomena.

[0163] Users can observe different perspectives of holographic images at different angles and positions, and experience objects in three-dimensional space just like in the real world.

[0164] Ultimately, the holographic image in the observation space presents a sense of depth, three-dimensionality, and dynamic effects, realizing a truly carrier-free multi-dimensional holographic display.

[0165] Step 5: Optimize multi-dimensional holographic images using deep learning algorithms

[0166] Collect a data set that includes a noise-free ideal multidimensional holographic image and a multidimensional holographic image with noise and distortion generated in actual display.

[0167] Train a deep learning model using the collected dataset to identify and correct defects in multi-dimensional holographic images.

[0168] Denoising and enhancement processing, apply the trained deep learning model to denoise and enhance the multi-dimensional holographic images.

[0169] Adjust model parameters. According to different display requirements and environmental conditions, adjust the parameters of the deep learning model to optimize the processing effect.

[0170] Update images in real time, using deep learning models to update multi-dimensional holographic images in real time to improve their display quality.

[0171] Step 6: Combine augmented reality technology to provide an immersive experience

[0172] Integrate virtual and reality, combine multi-dimensional holographic image display technology with augmented reality technology, and achieve seamless integration of virtual images and the real world.

[0173] Track the user's gaze and position, and track the user's gaze and position information through sensors or cameras.

[0174] Dynamically adjust the holographic image: According to the tracked user's line of sight and position information, dynamically adjust the position and angle of the holographic image to provide an immersive augmented reality experience.

[0175] The same or similar reference numerals correspond to the same or similar components;

[0176] The terms used in the drawings to describe positional relationships are only used for illustrative purposes and should not be construed as limiting this patent;

[0177] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A multi-dimensional holographic display method based on quantum dot light source, characterized in that: The following steps are involved: Prepare a quantum dot light source, which emits high-brightness, high-monochromaticity light; Holographically encode the target image to generate a holographic image containing amplitude and phase information; Using a spatial light modulator to modulate the holographic image onto the light beam of the quantum dot light source to form a modulated light beam; Projecting the modulated light beam through an optical system to reconstruct a multi-dimensional holographic image in an observation space; Optimizing the multi-dimensional holographic image using a deep learning algorithm; The multi-dimensional holographic image display is combined with augmented reality technology to provide an immersive experience.

2. The multi-dimensional holographic display method based on quantum dot light source according to claim 1, characterized in that: The steps of preparing a quantum dot light source include: Select semiconductor materials; Preparation of quantum dots; embedding the quantum dots into a matrix material to form a quantum dot solution or film; Designing the size and shape of the quantum dots to achieve desired luminescent properties; The quantum dots are excited by an external electric field or light to generate light with high brightness and high monochromaticity.

3. The multi-dimensional holographic display method based on quantum dot light source according to claim 1, characterized in that: The step of holographically encoding the target image comprises: Using computer graphics technology to digitize the target image to obtain a digital matrix of the target image; Applying a holographic encoding algorithm to convert the target image into the holographic image; encoding the amplitude and phase information of the target image into the holographic image; And verify the correctness and integrity of the holographic image.

4. The multi-dimensional holographic display method based on quantum dot light source according to claim 1, characterized in that: The step of using a spatial light modulator to modulate the holographic image onto the light beam of the quantum dot light source to form a modulated light beam comprises: Select a spatial light modulator; Loading the holographic image into the memory of the spatial light modulator, and controlling the pixel unit of the spatial light modulator through an electrical signal; adjusting the phase and amplitude pattern of the spatial light modulator to match the holographic image; The light beam of the quantum dot light source is modulated by the spatial light modulator to form the modulated light beam.

5. The multi-dimensional holographic display method based on quantum dot light source according to claim 1, characterized in that: The step of projecting the modulated light beam through an optical system to reconstruct a multi-dimensional holographic image in an observation space comprises: The optical system includes a lens, a reflector, a polarizer and a beam splitter; Precisely adjusting the focal length and position of the lens to achieve focusing of the modulated light beam, ensuring that the modulated light beam accurately converges at a specific position in the observation space; Changing the propagation direction of the modulated light beam by the reflector to facilitate forming the holographic image in the desired observation space; Using the polarizer to control the polarization state of the modulated light beam, thereby enhancing the brightness of the holographic image and reducing interference; Splitting the modulated light beam by the beam splitter to form a plurality of sub-modulated light beams, so as to generate a plurality of the holographic images or realize color display; Also included is using a beam shaping device to adjust the cross-sectional shape of the modulated light beam to match the requirements of the observation space; By using dynamic optical elements, the focal length and spot size of the modulated light beam are adjusted in real time to meet different display requirements; Using a beam scanning mechanism, the modulated light beam is quickly scanned to realize the display of a dynamic holographic image; Combining the multiple sub-modulated light beams into a complete holographic image through a light beam combining device; The spectral characteristics of the projected modulated light beam are monitored and analyzed by a beam analysis device in the optical system to ensure the color accuracy and brightness uniformity of the holographic image.

6. The multi-dimensional holographic display method based on quantum dot light source according to claim 1, characterized in that: The step of optimizing the multi-dimensional holographic image by using a deep learning algorithm comprises: Collecting a data set of the multi-dimensional holographic image, including an ideal multi-dimensional holographic image without noise and a multi-dimensional holographic image with noise and distortion generated in actual display; Training a deep learning model to identify and correct defects in the multi-dimensional holographic image; Applying a deep learning model to perform denoising and enhancement processing on the multi-dimensional holographic image; Adjust deep learning model parameters to suit different display requirements and environmental conditions; The multi-dimensional holographic image is updated in real time using a deep learning model to improve the display quality of the multi-dimensional holographic image.

7. The multi-dimensional holographic display method based on quantum dot light source according to claim 1, characterized in that: The step of combining the multi-dimensional holographic image display with augmented reality technology comprises: Combine multi-dimensional holographic image display technology with augmented reality technology to achieve seamless integration of virtual images and the real world; By tracking the user's line of sight and position, the position and angle of the holographic image are dynamically adjusted to provide an immersive augmented reality experience.

8. An electronic device, characterized in that: The electronic device comprises: A memory storing executable program code; a processor coupled to the memory; The processor calls the executable program code stored in the memory to execute a multi-dimensional holographic display method based on a quantum dot light source as described in any one of claims 1 to 7.

9. A computer storage medium, characterized in that The computer storage medium stores computer instructions, which, when called, are used to execute a multi-dimensional holographic display method based on a quantum dot light source as described in any one of claims 1 to 7.

Citation Information

Patent Citations

  • Laser modulation

    CN111694254A

  • Holographic near-to-eye display system based on array light source and eye pupil box expansion method

    CN113608353A

  • Method for improving digital holographic reproductive image quality

    CN116362997A

  • Super-resolution imaging method and system based on synthetic aperture incoherent optics

    CN118732461A

  • Three-dimensional scene display method based on holographic projection

    CN119846927A