A naked-eye 3D display screen with switchable 2D / 3D effects
The naked-eye 3D display with switchable 2D/3D effects combined with smartphones and video transmission cloud platform solves the problem of single display effect of the car dashboard and improves the user's viewing and audio experience.
Patent Information
- Application Number
- CN202310716183.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-16
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2043-06-16
AI Technical Summary
The existing car dashboard has a single display effect and cannot meet users' viewing needs during rest and entertainment.
It provides a naked-eye 3D display screen with switchable 2D/3D effects. Through the cooperation of the vehicle display controller, Bluetooth module and wireless data module, combined with a smartphone and a video transmission cloud platform, it realizes automatic recognition and switching of video formats, and optimizes the audio effect through the audio acquisition module.
It realizes 2D and 3D video switching of the car dashboard, improving the user's viewing experience and sound effects.
Smart Images

Figure CN116729269B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of automotive technologies, and particularly to a naked-eye 3D display screen with switchable 2D / 3D effects. Background Art
[0002] Existing automotive instrument panels use TFT screens, segment code screens, or a combination of segment code screens and TFT screens to display vehicle-related information. The automotive instrument panel can only display flat patterns, and the display effect is relatively single, unable to meet the viewing needs of people during rest and entertainment. Summary of the Invention
[0003] The present invention aims to at least solve the technical problems existing in the prior art, and particularly innovatively proposes a naked-eye 3D display screen with switchable 2D / 3D effects.
[0004] To achieve the above object of the present invention, the present invention provides a naked-eye 3D display screen with switchable 2D / 3D effects, including an automotive body, on which there is a fixed mounting seat for the in-vehicle display screen to fixedly mount the in-vehicle display screen. If the vehicle is not in motion, the video played on the in-vehicle display screen is a naked-eye 3D video.
[0005] In a preferred embodiment of the present invention, the in-vehicle display screen includes an in-vehicle display screen housing, a PCB circuit board fixed mounting seat provided in the in-vehicle display screen housing for fixedly mounting a PCB circuit board, and a naked-eye 3D display screen fixed mounting seat provided on the in-vehicle display screen housing for fixedly mounting a naked-eye 3D display screen. The PCB circuit board is fixedly mounted on the PCB circuit board fixed mounting seat, and the naked-eye 3D display screen is fixedly mounted on the naked-eye 3D display screen fixed mounting seat;
[0006] An in-vehicle display screen controller, an in-vehicle display screen Bluetooth module, and an in-vehicle display screen wireless data module are provided on the PCB circuit board;
[0007] The data display end of the in-vehicle display screen controller is connected to the data display end of the naked-eye 3D display screen, the data Bluetooth end of the in-vehicle display screen controller is connected to the data Bluetooth end of the in-vehicle display screen Bluetooth module, and the data wireless end of the in-vehicle display screen controller is connected to the data wireless end of the in-vehicle display screen wireless data module.
[0008] In a preferred embodiment of the present invention, the in-vehicle display screen wireless data module includes an in-vehicle display screen wireless 4G data module or / and an in-vehicle display screen wireless 5G data module;
[0009] The data wireless end of the in-vehicle display controller is connected to the data wireless end of the in-vehicle display wireless 4G data module, and the data 5G wireless end of the in-vehicle display controller is connected to the data wireless end of the in-vehicle display wireless 5G data module.
[0010] In a preferred embodiment of the present invention, the method for determining that the vehicle is not in motion is to determine the gear position of the vehicle:
[0011] If the vehicle is in the ACC gear, the video played on the in-vehicle display is a naked-eye 3D video;
[0012] If the vehicle is in the ON gear and the speed of the vehicle is 0, the video played on the in-vehicle display is a naked-eye 3D video.
[0013] In a preferred embodiment of the present invention, it further includes a smart phone with Bluetooth function.
[0014] The present invention also discloses a control method for a naked-eye 3D display with switchable 2D / 3D effects, including the following:
[0015] S1, the smart phone is connected to the in-vehicle display through Bluetooth;
[0016] S2, play the video selected on the smart phone on the in-vehicle display in naked-eye 3D.
[0017] In a preferred embodiment of the present invention, step S2 includes the following steps:
[0018] S21, the in-vehicle display obtains the information of the video selected on the smart phone, and the information of the video includes the video name and the video playback format, and the video playback format includes 2D playback format and 3D playback format;
[0019] If the video is a 2D video, step S25 is executed;
[0020] If the video is a 3D video, the next step is executed;
[0021] S22, the in-vehicle display obtains the transmission speed between the in-vehicle display and the smart phone, and obtains the transmission speed between the in-vehicle display and the video transmission cloud platform; judge the size relationship between V1 and V2:
[0022] If V1≥V2, where V1 represents the transmission speed between the in-vehicle display and the smart phone, and V2 represents the transmission speed between the in-vehicle display and the video transmission cloud platform, the next step is executed;
[0023] If V1<V2, where V1 represents the transmission speed between the in-vehicle display and the smart phone, and V2 represents the transmission speed between the in-vehicle display and the video transmission cloud platform, step S25 is executed;
[0024] S23. The in-vehicle display requests the smartphone to send the 3D video. After the smartphone receives the request from the in-vehicle display to send the 3D video, the smartphone sends the 3D video to the in-vehicle display; proceed to the next step.
[0025] S24. After the in-vehicle display receives the 3D video, it plays the 3D video in 3D.
[0026] S25. The in-vehicle display requests the video transmission cloud platform to send the 3D video corresponding to the video name. After the video transmission cloud platform receives the request from the in-vehicle display to send the 3D video corresponding to the video name, the video transmission cloud platform sends the 3D video corresponding to the video name to the in-vehicle display; execute step S24.
[0027] In a preferred embodiment of the present invention, the following steps are included during the playback of 2D or 3D videos:
[0028] S2-1. Set the playback duration of the 2D or 3D video:
[0029] When the in-vehicle display controller receives the trigger signal for setting the playback duration of the 2D or 3D video, a duration selection box appears on the autostereoscopic 3D display. The duration selection box includes a playback time setting slider and a pause playback time setting slider; the pause playback time setting slider includes a maximum value for setting the pause playback time and a minimum value for setting the pause playback time, and the playback time setting slider includes a maximum value for setting the playback time and a minimum value for setting the playback time. The pause playback time meets the following conditions:
[0030]
[0031] where t2 represents the set pause playback time;
[0032] represents the ceiling function;
[0033] a represents the first preset adjustment coefficient;
[0034] b represents the second preset adjustment coefficient;
[0035] t represents the set playback time;
[0036] t3 represents the pause playback follow-up time;
[0037] t1 represents the minimum value for setting the pause playback time;
[0038] S2-2. When playing the 2D or 3D video:
[0039] Obtain the current playback moment as t0, and determine whether the playback duration t′ is greater than or equal to the set playback time t:
[0040] If the playing duration t′ is greater than or equal to the set playing time t, then the 2D or 3D video playback is paused; the calculation method of the playing duration is as follows:
[0041] t′≥t,
[0042] that is, t0 - t0′≥t,
[0043] wherein, t′ represents the 2D or / and 3D playing duration;
[0044] t represents the set playing time;
[0045] t0 represents the current playing moment;
[0046] t0′ represents the moment when the paused playback ends;
[0047] If the playing duration t′ is less than the set playing time t, then the 2D or 3D video continues to be played.
[0048] In summary, the present invention can play and switch between 2D and 3D videos, enhancing the user experience.
[0049] The additional aspects and advantages of the present invention will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0050] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:
[0051] Figure 1 is a schematic connection block diagram of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0052] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0053] The present invention provides a naked-eye 3D display screen with switchable 2D / 3D effects, including a vehicle body. A vehicle-mounted display screen fixing mount for fixedly installing the vehicle-mounted display screen is provided on the vehicle body, and the vehicle-mounted display screen is fixedly installed on the vehicle-mounted display screen fixing mount. If the vehicle is not in motion, the video played on the vehicle-mounted display screen is a naked-eye 3D video. The vehicle-mounted display screen can be, but is not limited to, one of an instrument panel screen, a central control screen, and a co-pilot screen, or any combination thereof.
[0054] In a preferred embodiment of the present invention, the in-vehicle display screen includes an in-vehicle display screen housing, a PCB circuit board fixed mounting seat disposed in the in-vehicle display screen housing for fixedly mounting a PCB circuit board, and a naked-eye 3D display screen fixed mounting seat disposed on the in-vehicle display screen housing for fixedly mounting a naked-eye 3D display screen. The PCB circuit board is fixedly mounted on the PCB circuit board fixed mounting seat, and the naked-eye 3D display screen is fixedly mounted on the naked-eye 3D display screen fixed mounting seat;
[0055] An in-vehicle display screen controller, an in-vehicle display screen Bluetooth module, and an in-vehicle display screen wireless data module are provided on the PCB circuit board;
[0056] The data display end of the in-vehicle display screen controller is connected to the data display end of the naked-eye 3D display screen, the data Bluetooth end of the in-vehicle display screen controller is connected to the data Bluetooth end of the in-vehicle display screen Bluetooth module, and the data wireless end of the in-vehicle display screen controller is connected to the data wireless end of the in-vehicle display screen wireless data module. An audio collection module and an audio playback module are also provided in the vehicle. The audio data collection end of the in-vehicle display screen controller is connected to the audio data output end of the audio collection module, and the audio data playback end of the in-vehicle display screen controller is connected to the audio data input end of the audio playback module. The specific installation positions of the audio collection module and the audio playback module are set according to the actual situation.
[0057] In a preferred embodiment of the present invention, the in-vehicle display screen wireless data module includes an in-vehicle display screen wireless 4G data module or / and an in-vehicle display screen wireless 5G data module;
[0058] The data 4G wireless end of the in-vehicle display screen controller is connected to the data wireless end of the in-vehicle display screen wireless 4G data module, and the data 5G wireless end of the in-vehicle display screen controller is connected to the data wireless end of the in-vehicle display screen wireless 5G data module.
[0059] In a preferred embodiment of the present invention, the method for determining that the vehicle is not in motion is to determine the gear of the vehicle:
[0060] If the vehicle is in the ACC gear, the video played on the in-vehicle display screen is a naked-eye 3D video;
[0061] If the vehicle is in the ON gear and the speed of the vehicle is 0, the video played on the in-vehicle display screen is a naked-eye 3D video.
[0062] In a preferred embodiment of the present invention, as Figure 1 shown, a smart phone with Bluetooth function is also included.
[0063] The present invention also discloses a control method for a naked-eye 3D display screen with switchable 2D / 3D effects, including the following:
[0064] S1, The smartphone is connected to the in-vehicle display screen via Bluetooth;
[0065] S2, Play the video selected on the smartphone in 3D without glasses on the in-vehicle display screen. Before playing the 3D video without glasses, in order to enhance the sound effect of the experiencer, it also includes processing the played sound. The method for processing the played sound includes the following steps:
[0066] S-21, The in-vehicle display screen controller sends a piece of sound experiment data with a duration of T, denoted as f(T), to the sound playback module, and the sound playback module plays this piece of sound experiment data with a duration of T; generally, T takes 60S - 200S, preferably 70S;
[0067] S-22, The sound acquisition module acquires the sound experiment data with a duration of T played by the sound playback module; denoted as g(T);
[0068] S-23, Analyze the difference data between the sound experiment data f(T) sent by the in-vehicle display screen controller to the sound playback module and the sound experiment data g(T) acquired by the sound acquisition module. Among them, the calculation method of the difference data is p(T) = g(T) - f(T);
[0069] S-24, Obtain the difference value per unit time according to the difference data. The calculation method of the difference value includes the following steps:
[0070] S-241, Divide the difference data p(T) within T time into N time points evenly. Generally, N takes 500 - 1000, preferably 600; They are the 1st time point, the 2nd time point, the 3rd time point,..., the Nth time point respectively;
[0071] S-242, Obtain the difference values corresponding to the N time points, denoted as represents the difference value corresponding to the 1st time point, represents the difference value corresponding to the 2nd time point, represents the difference value corresponding to the 3rd time point, represents the difference value corresponding to the Nth time point;
[0072] S-243, Calculate the difference value per unit time according to the N difference values. The calculation method is:
[0073]
[0074] Among them, η represents the difference value per unit time;
[0075] N represents the number of time points;
[0076] Represents the difference value corresponding to the i-th time point;
[0077] S-244, divide the 3D video to be played into time points according to the duration T';
[0078]
[0079] Among them, T represents the duration of the audio experiment data;
[0080] N represents the number of time points;
[0081] T' represents the divided duration of the 3D video to be played, and is also the divided duration of the audio experiment data;
[0082] S-245, after division, add the difference value to the corresponding audio division point, and the audio data of the 3D video to be played can be obtained. The method of adding the difference value to the corresponding audio division point is:
[0083]
[0084] Represents the 3D audio value to be played corresponding to the i'-th time point;
[0085] Represents the 3D audio value corresponding to the i'-th time point;
[0086] η represents the difference value per unit time.
[0087] In a preferred embodiment of the present invention, step S2 includes the following steps:
[0088] S21, the in-vehicle display screen obtains the information of the video selected on the smart phone, and the information of the video includes the video name and the video playback format, and the video playback format includes 2D playback format and 3D playback format;
[0089] If the video is a 2D video, then execute step S25;
[0090] If the video is a 3D video, then execute the next step;
[0091] S22, the in-vehicle display screen obtains the transmission speed between the in-vehicle display screen and the smart phone, and obtains the transmission speed between the in-vehicle display screen and the video transmission cloud platform; judge the size relationship between V1 and V2:
[0092] If V1≥V2, where V1 represents the transmission speed between the in-vehicle display screen and the smart phone, and V2 represents the transmission speed between the in-vehicle display screen and the video transmission cloud platform, then execute the next step;
[0093] If V1 < V2, where V1 represents the transmission speed between the in-vehicle display screen and the smartphone, and V2 represents the transmission speed between the in-vehicle display screen and the video transmission cloud platform, then step S25 is executed;
[0094] S23, The in-vehicle display screen requests the smartphone to send the 3D video. After the smartphone receives the request from the in-vehicle display screen to send the 3D video, the smartphone sends the 3D video to the in-vehicle display screen; Proceed to the next step;
[0095] S24, After the in-vehicle display screen receives the 3D video, it plays the 3D video;
[0096] S25, The in-vehicle display screen requests the video transmission cloud platform to send the 3D video corresponding to the video name. After the video transmission cloud platform receives the request from the in-vehicle display screen to send the 3D video corresponding to the video name, the video transmission cloud platform sends the 3D video corresponding to the video name to the in-vehicle display screen; Execute step S24.
[0097] In a preferred embodiment of the present invention, the following steps are included during the playback of 2D or 3D videos:
[0098] S2-1, Set the playback duration of the 2D or 3D video:
[0099] When the in-vehicle display screen controller receives a trigger signal for setting the playback duration of the 2D or 3D video, a duration selection box appears on the autostereoscopic 3D display screen. The duration selection box includes a playback time setting slider and a pause playback time setting slider; The pause playback time setting slider includes a maximum value for setting the pause playback time and a minimum value for setting the pause playback time. The playback time setting slider includes a maximum value for setting the playback time and a minimum value for setting the playback time. The pause playback time meets the following conditions:
[0100]
[0101] Where t2 represents the set pause playback time;
[0102] represents the ceiling function;
[0103] a represents the first preset adjustment coefficient;
[0104] b represents the second preset adjustment coefficient;
[0105] t represents the set playback time;
[0106] t3 represents the pause playback follow-up time;
[0107] t1 represents the minimum value for setting the pause playback time;
[0108] S2-2, when playing 2D or 3D videos:
[0109] Obtain the current playing time as t0, and determine whether the playing duration t′ is greater than or equal to the set playing time t:
[0110] If the playing duration t′ is greater than or equal to the set playing time t, then pause playing the 2D or 3D video; the calculation method of the playing duration is:
[0111] t′≥t,
[0112] that is, t0 - t0′≥t,
[0113] wherein, t′ represents the 2D or / and 3D playing duration;
[0114] t represents the set playing time;
[0115] t0 represents the current playing time;
[0116] t0′ represents the time at the end of the paused playing;
[0117] If the playing duration t′ is less than the set playing time t, then continue to play the 2D or 3D video.
[0118] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.
Claims
1. A naked-eye 3D display screen with a switchable 2D / 3D effect, including a vehicle body, on which a vehicle-mounted display screen fixing mount for fixedly installing the vehicle-mounted display screen is provided, and the vehicle-mounted display screen is fixedly installed on the vehicle-mounted display screen fixing mount, characterized in that, If the vehicle is not in motion, the video played on the in-vehicle display is a naked-eye 3D video; Among them, the method for the in-vehicle display to play a naked-eye 3D video specifically includes the following steps: S1, The smartphone is connected to the in-vehicle display via Bluetooth; S2, Play the video selected on the smartphone in naked-eye 3D on the in-vehicle display; Before playing the naked-eye 3D video, it also includes processing the played sound. The method for processing the played sound includes the following steps: S-21, the in-vehicle display controller sends a piece of audio experiment data with a duration of to the audio playback module, and the audio playback module plays this piece of audio experiment data with a duration of ; S-22, the audio collection module collects the audio experiment data with the duration of played by the audio playback module; Analyze the audio experiment data sent by the in-vehicle display controller to the audio playback module and the audio experiment data collected by the audio acquisition module for differential data; S-24, Obtain the difference value per unit time according to the difference data. The calculation method of the difference value includes the following steps: S-241, divide the differential data within equally into time points; S-242, obtain the difference values corresponding to the time points; S-243, calculate the difference value per unit time according to the difference value of each difference value unit; S-244, divide the 3D video to be played according to the duration into time points; S-245, After division, add the difference value to the corresponding sound division points to obtain the sound data of the 3D video to be played; In step S2, it includes the following steps: S21, The in-vehicle display obtains the information of the video selected on the smartphone. The information of this video includes the video name and the video playback format. The video playback format includes 2D playback format and 3D playback format; If this video is a 2D video, then execute step S25; If this video is a 3D video, then proceed to the next step; S22, The in-vehicle display obtains the transmission speed between the in-vehicle display and the smartphone, and obtains the transmission speed between the in-vehicle display and the video transmission cloud platform; Judge the size relationship between V1 and V2: If V1≥V2, where V1 represents the transmission speed between the in-vehicle display and the smartphone, and V2 represents the transmission speed between the in-vehicle display and the video transmission cloud platform, then proceed to the next step; V1<V2, where V1 represents the transmission speed between the in-vehicle display and the smartphone, and V2 represents the transmission speed between the in-vehicle display and the video transmission cloud platform, then execute step S25; S23, The in-vehicle display requests the smartphone to send this 3D video. After the smartphone receives the request from the in-vehicle display to send this 3D video, the smartphone sends this 3D video to the in-vehicle display; Proceed to the next step; S24, After the in-vehicle display receives this 3D video, play this 3D video; S25, The in-vehicle display requests the video transmission cloud platform to send the 3D video corresponding to this video name. After the video transmission cloud platform receives the request from the in-vehicle display to send the 3D video corresponding to this video name, the video transmission cloud platform sends the 3D video corresponding to this video name to the in-vehicle display; Execute step S24.
2. The switchable 2D / 3D effect autostereoscopic 3D display screen according to claim 1, characterized in that, The in-vehicle display includes a naked-eye 3D display, an in-vehicle display controller, an in-vehicle display Bluetooth module, and an in-vehicle display wireless data module.
3. The switchable 2D / 3D effect autostereoscopic 3D display according to claim 2, characterized in that, The in-vehicle display wireless data module includes an in-vehicle display wireless 4G data module or / and an in-vehicle display wireless 5G data module; The 4G wireless end of the data of the in-vehicle display controller is connected to the wireless data end of the in-vehicle display wireless 4G data module, and the 5G wireless end of the data of the in-vehicle display controller is connected to the wireless data end of the in-vehicle display wireless 5G data module.
4. The switchable 2D / 3D effect autostereoscopic 3D display screen according to claim 1, characterized in that, The method for judging that the vehicle is not in motion is to judge the gear of the vehicle: If the vehicle is in the ACC gear, the video played on the in-vehicle display is a naked-eye 3D video; If the vehicle is in the ON gear and the vehicle speed is 0, the video played on the in-vehicle display screen is a naked-eye 3D video.
5. The switchable 2D / 3D effect autostereoscopic 3D display screen according to claim 1, wherein It also includes a smartphone with Bluetooth function.
6. The switchable 2D / 3D effect naked-eye 3D display screen according to claim 1, characterized in that, The following steps are included during the playback of 2D or 3D videos: S2-1, set the playing time of 2D or 3D videos ; S2-2, when playing 2D or 3D videos: If the playing duration is greater than or equal to the set playing time , then pause the playback of 2D or 3D videos; If the playing duration is less than the set playing time , then continue to play 2D or 3D videos.
Citation Information
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