CN219065887U - Head-mounted display capable of controlling picture zooming through touch control slide bar - Google Patents
Head-mounted display capable of controlling picture zooming through touch control slide bar Download PDFInfo
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- CN219065887U CN219065887U CN202222571397.2U CN202222571397U CN219065887U CN 219065887 U CN219065887 U CN 219065887U CN 202222571397 U CN202222571397 U CN 202222571397U CN 219065887 U CN219065887 U CN 219065887U
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Abstract
The utility model relates to a head-mounted display for controlling picture zooming through a touch slide bar, which comprises a display main body part, wherein a left display screen and a right display screen which are arranged corresponding to left eyes and right eyes are arranged in the display main body part; the display main body part is provided with a touch control slide bar for collecting touch control actions; the display main body part is provided with a signal acquisition and conversion assembly for converting an analog signal input by the touch control slide bar into a digital signal, a main control assembly electrically connected with the signal acquisition and conversion assembly, and a display driving assembly and an image processing assembly which are respectively electrically connected with the display screen; the touch control slide bar is electrically connected with the signal acquisition and conversion assembly, and the main control assembly is electrically connected with the display driving assembly and the image processing assembly respectively. According to the method and the device, the display picture can be reduced and enlarged through the touch sliding strip, when the video source does not support picture scaling, the head-mounted display can independently adjust the picture size, and the experience effect of the head-mounted display is further improved.
Description
Technical Field
The utility model relates to the technical field of intelligent head-mounted display devices, in particular to a head-mounted display capable of controlling picture zooming through a touch slide bar.
Background
The intelligent head-mounted display guides video image light emitted by a miniature image display (such as a transmission type or reflection type liquid crystal display, an organic electroluminescent device and a DMD device) to the pupil of a user through an optical technology, realizes virtual and enlarged images in the near-eye range of the user, and provides visual and visible image, video and text information for the user.
Currently, the video frame size scaling of a head-mounted display is processed at the video source end, and patent document 1 (chinese patent CN 205899142U) discloses a head-mounted display that includes a video output portion, a display main body portion, and a wearing portion, and that sets the frame size scaling of a display screen by outputting an instruction to a head-mounted display main board in the display main body portion through a video output device in the video output portion, but the display main body portion of the head-mounted display does not have a function of setting the frame size scaling of the display screen. When connected as a stand-alone head mounted display to a video source that does not support video frame size scaling, the frame size displayed on the head mounted display cannot be changed, affecting the experience of the head mounted display.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a head-mounted display for controlling the picture zooming through a touch slide bar.
The technical scheme adopted for solving the technical problems is as follows:
the head-mounted display capable of controlling the picture zooming through the touch slide bar comprises a display main body part, wherein a left display screen and a right display screen which are arranged corresponding to left eyes and right eyes are arranged in the display main body part; the display main body part is provided with a touch control slide bar for collecting touch control actions; the display main body part is internally provided with a signal acquisition and conversion assembly for converting an analog signal input by the touch control slide bar into a digital signal, a main control assembly electrically connected with the signal acquisition and conversion assembly, and a display driving assembly and an image processing assembly which are respectively electrically connected with the display screen; the touch control slide bar is electrically connected with the signal acquisition and conversion assembly, and the main control assembly is electrically connected with the display driving assembly and the image processing assembly respectively.
Further, the display main body part includes a front case and a rear seat mounted with the display screen; the touch control slide bar comprises a touch control area arranged on the surface of the front shell and a touch control PCB arranged between the front shell and the rear seat; the touch area is arranged corresponding to the touch PCB.
Further, an analog interface is arranged in the rear seat, and the touch PCB is electrically connected with the analog interface.
Further, the signal acquisition and conversion assembly comprises an acquisition module for acquiring analog signals input by the touch PCB and an AD converter for converting the analog signals acquired by the acquisition module into digital signals; the touch PCB and the acquisition module interact through the analog interface; the acquisition module is electrically connected with the AD converter.
Further, the main control component comprises a UART interface, a UART module, a display mode switching module and a video scaling instruction module, wherein the UART interface and the UART module are electrically connected with the AD converter, the display mode switching module is used for logically judging the digital signal and confirming the current display mode, and the video scaling instruction module is used for outputting a picture scaling instruction;
the AD converter and the UART module interact through the UART interface; the display mode switching module is electrically connected with the UART module, and the video scaling instruction module is electrically connected with the display mode switching module.
Further, the master control assembly further comprises a first I2C interface; the video scaling instruction module interacts with the display driving assembly and the image processing assembly through the first I2C interface respectively.
Further, the image processing component comprises a display configuration management module; the display configuration management module is electrically connected with the first I2C interface, and the video scaling instruction module interacts with the display configuration management module through the first I2C interface.
Further, the display screen is provided with a second I2C interface; and the display screen and the display configuration management module interact through the second I2C interface.
Further, the display driving assembly comprises a video input module, a video scaling module electrically connected with the video input module, a display output selection module electrically connected with the video scaling module, and a left display output module and a right display output module which are respectively arranged corresponding to the left display screen and the right display screen; the display output selection module is electrically connected with the display output module.
Further, the display screen is provided with an MIPI interface; and the display output module interacts with the display screen through the MIPI interface.
The utility model has the beneficial effects that: according to the display device, the touch control slide bar is arranged on the display main body part of the head-mounted display, when fingers slide left and right on the touch control slide bar, the display screen can be reduced and enlarged through signal transmission and processing of each component, the size of the screen can be independently regulated by the head-mounted display, the situation that the size of the display screen of the head-mounted display cannot be changed due to the fact that the video source does not support the reduction of the display screen is avoided, and the experience effect of the head-mounted display is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:
fig. 1 is a schematic structural diagram of a head-mounted display with screen zooming controlled by a touch slider according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a display main body according to an embodiment of the present utility model;
fig. 3 is a circuit block diagram of a head mounted display according to an embodiment of the utility model.
In the figure, 1, a main body part is shown; 2. a touch control slide bar; 3. a signal acquisition and conversion assembly; 4. a master control assembly; 5. a display driving assembly; 6. an image processing component; 7. a display screen; 11. a front shell; 12. a rear seat; 21. a touch area; 22. a touch PCB; 31. an acquisition module; 32. an AD converter; 41. a UART module; 42. a display mode switching module; 43. a video scaling instruction module; 51. a video input module; 52. a video scaling module; 53. a display output module; 54. a display output selection module; 61. a display configuration management module; 121. an analog interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
As shown in fig. 1 to 3, the head-mounted display of the preferred embodiment of the present utility model, in which the screen zoom is controlled by the touch slide bar, comprises a display main body 1, wherein a left display screen 7 and a right display screen 7 are arranged in the display main body 1 and are corresponding to the left eye and the right eye; the display main body part 1 is provided with a touch control slide bar 2 for collecting touch control actions; the display main body part 1 is provided with a signal acquisition and conversion component 3 for converting an analog signal input by the touch control slide bar 2 into a digital signal, a main control component 4 electrically connected with the signal acquisition and conversion component 3, and a display driving component 5 and an image processing component 6 respectively electrically connected with the display screen 7; the touch control slide bar 2 is electrically connected with the signal acquisition and conversion assembly 3, and the main control assembly 4 is electrically connected with the display driving assembly 5 and the image processing assembly 6 respectively.
When a user slides left and right on the touch slide bar 2 by fingers, the touch slide bar 2 collects touch actions of the user, the touch actions are transmitted to the signal collection and conversion assembly 3 through analog signals, the signal collection and conversion assembly 3 receives the analog signals output by the touch slide bar 2 and converts the analog signals into digital signals, the digital signals are output to the main control assembly 4, the main control assembly 4 carries out logic judgment after receiving the digital signals, a current display mode is confirmed, a picture scaling instruction is sent to the display driving assembly 5 and the image processing assembly 6, the display driving assembly 5 carries out video amplification or reduction on the input video signals according to the received scaling instruction, and finally, the images are output to the left display screen 7 and the right display screen 7 respectively, and the image processing assembly 6 synchronously updates left display configuration and right display configuration according to the received scaling instruction.
The touch control slide bar 2 is arranged on the display main body part 1 of the head-mounted display, the display picture is reduced and enlarged by sliding the touch control slide bar 2 left and right, and the process is directly operated on the display main body part 1 of the head-mounted display. When the video source connected with the display main body part 1 does not support the size scaling of the display picture, the display picture can be adjusted by directly sliding left and right on the touch control slide bar 2 of the display main body part 1 of the head-mounted display, and the experience effect of the head-mounted display is further improved.
In a further embodiment, the display main body part 1 includes a front case 11 and a rear seat 12 to which the display screen 7 is mounted; the touch slide bar 2 comprises a touch area 21 arranged on the surface of the front shell 11 and a touch PCB 22 arranged between the front shell 11 and the rear seat 12; the touch area 21 is disposed corresponding to the touch PCB 22.
The front case 11 is connected with the rear case. The touch area 21 on the front case 11 is in a long strip shape, and when the finger of the user slides left and right on the long strip-shaped touch area 21, the touch PCB 22 collects the touch actions of the user in real time. In the present embodiment, when the finger slides left on the touch area 21, the display screen is reduced; when the finger slides right on the touch area 21, the display screen is enlarged.
In a further embodiment, an analog interface 121 is provided in the rear seat 12, and the touch PCB 22 is electrically connected to the analog interface 121.
The touch PCB 22 feeds back the collected touch motion information to the signal collection and conversion assembly 3 through the analog interface 121.
In a further embodiment, the signal acquisition and conversion assembly 3 includes an acquisition module 31 for acquiring an analog signal input by the touch PCB 22, and an AD converter 32 for converting the analog signal acquired by the acquisition module 31 into a digital signal; the touch control PCB 22 interacts with the acquisition module 31 through the analog interface 121; the acquisition module 31 is electrically connected to the AD converter 32.
After the acquisition module 31 acquires the analog signal input by the touch PCB 22, the analog signal is transmitted to the AD converter 32, and the AD converter 32 converts the received analog signal into a digital signal.
In a further embodiment, the main control component 4 includes a UART interface electrically connected to the AD converter 32, a UART module 41, a display mode switching module 42 for logically judging the digital signal and confirming the current display mode, and a video scaling instruction module 43 for outputting a picture scaling instruction;
interaction is performed between the AD converter 32 and the UART module 41 through a UART interface; the display mode switching module 42 is electrically connected to the UART module 41, and the video scaling instruction module 43 is electrically connected to the display mode switching module 42.
After the AD converter 32 converts the received analog signal into a digital signal, the UART module 41 of the main control module 4 receives the digital signal of the AD converter 32, the UART module 41 outputs the digital signal to the display mode switching module 42, the display mode switching module 42 performs logic judgment, after confirming the current display mode, the information is output to the video scaling instruction module 43, and the video scaling instruction module 43 outputs the picture scaling instructions to the display driving module 5 and the image processing module 6 respectively.
In a further embodiment, the master control assembly 4 further comprises a first I2C interface; the video scaling instruction module 43 interacts with the display driver component 5 and the image processing component 6 via the first I2C interface, respectively.
The main control component 4 outputs and sends a picture scaling instruction to the display driving component 5 and the image processing component 6 through the first I2C interface respectively.
In a further embodiment, the image processing component 6 comprises a display configuration management module 61; the display configuration management module 61 is electrically connected to the first I2C interface, and the video scaling instruction module 43 interacts with the display configuration management module 61 via the first I2C interface.
In a further embodiment, the display 7 is provided with a second I2C interface; the display 7 interacts with the display configuration management module 61 via a second I2C interface.
In a further embodiment, the display driving assembly 5 includes a video input module 51, a video scaling module 52 electrically connected to the video input module 51, a display output selection module 54 electrically connected to the video scaling module 52, and left and right display output modules 53 respectively provided corresponding to the left and right display screens 7; the display output selecting module 54 is electrically connected to the display output module 53.
The video input module 51 interacts with the video source through a Type-C interface or a DP1.4 interface, and is configured to receive video information input by the video source through the video input module 51. The display driving assembly 5 realizes the input and receiving of video signals, the scaling of video signals and the output of video signals, and can realize the output of two independent MIPI video signals.
In a further embodiment, the display 7 is provided with a MIPI interface; the display output module 53 interacts with the display screen 7 via the MIPI interface.
The left display screen 7 and the right display screen 7 adopt two Micro-OLED display screens 7 which are independently arranged, and the display interface is an MIPI interface. The left display screen 7 and the right display screen 7 interact with the left display output module 53 and the right display output module 53 through the MIPI interface, and are used for the left display screen 7 and the right display screen 7 to receive video signals output by the left display output module 53 and the right display screen 7 to interact with the image processing component 6 through the second I2C interface, and the user receives an update display configuration instruction of the image processing component 6.
In the above embodiment, the display driving unit 5 performs video enlargement or reduction of the input video signal according to the received zoom instruction, and finally outputs the images to the left and right display screens 7 through the left and right display output modules 53, respectively. The image processing module 6 synchronously updates the display configuration of the left and right display screens 7 by the display configuration management module 61 according to the received zoom instruction. By arranging the touch sliding strip 2 capable of sliding in a touch manner on the display main body part 1 of the head-mounted display, the display picture of the head-mounted display can be directly controlled to be zoomed on the display main body part 1, and when the display main body part 1 of the head-mounted display is connected with a video source which does not support picture zooming, a user can also independently adjust the size of the display picture through the touch sliding strip 2, so that the experience effect of the head-mounted display is further improved.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. The head-mounted display comprises a display main body part, wherein a left display screen and a right display screen which are arranged corresponding to left eyes and right eyes are arranged in the display main body part; the method is characterized in that: the display main body part is provided with a touch control slide bar for collecting touch control actions; the display main body part is internally provided with a signal acquisition and conversion assembly for converting an analog signal input by the touch control slide bar into a digital signal, a main control assembly electrically connected with the signal acquisition and conversion assembly, and a display driving assembly and an image processing assembly which are respectively electrically connected with the display screen; the touch control slide bar is electrically connected with the signal acquisition and conversion assembly, and the main control assembly is electrically connected with the display driving assembly and the image processing assembly respectively.
2. The head-mounted display for controlling zooming of a picture through a touch slide bar according to claim 1, wherein the display main body part comprises a front case and a rear seat on which the display screen is mounted; the touch control slide bar comprises a touch control area arranged on the surface of the front shell and a touch control PCB arranged between the front shell and the rear seat; the touch area is arranged corresponding to the touch PCB.
3. The head-mounted display for controlling the zooming of the picture through the touch slide bar according to claim 2, wherein an analog interface is arranged in the rear seat, and the touch PCB is electrically connected with the analog interface.
4. The head-mounted display for controlling the zooming of a picture through a touch slide bar according to claim 3, wherein the signal acquisition and conversion assembly comprises an acquisition module for acquiring analog signals input by the touch PCB and an AD converter for converting the analog signals acquired by the acquisition module into digital signals; the touch PCB and the acquisition module interact through the analog interface; the acquisition module is electrically connected with the AD converter.
5. The head-mounted display for controlling zooming of a picture through a touch slide bar according to claim 4, wherein the main control assembly comprises a UART interface electrically connected with the AD converter, a UART module, a display mode switching module for logically judging the digital signal and confirming a current display mode, and a video zooming instruction module for outputting a picture zooming instruction;
the AD converter and the UART module interact through the UART interface; the display mode switching module is electrically connected with the UART module, and the video scaling instruction module is electrically connected with the display mode switching module.
6. The head-mounted display for controlling zooming of a picture through a touch slide of claim 5, wherein the master control assembly further comprises a first I2C interface; the video scaling instruction module interacts with the display driving assembly and the image processing assembly through the first I2C interface respectively.
7. The head-mounted display for controlling zooming of a picture via a touch slide of claim 6, wherein the image processing component comprises a display configuration management module; the display configuration management module is electrically connected with the first I2C interface, and the video scaling instruction module interacts with the display configuration management module through the first I2C interface.
8. The head-mounted display for controlling zooming of a picture through a touch slide bar according to claim 7, wherein the display screen is provided with a second I2C interface; and the display screen and the display configuration management module interact through the second I2C interface.
9. The head-mounted display for controlling the zooming of a picture through a touch slide bar according to claim 1, wherein the display driving assembly comprises a video input module, a video zooming module electrically connected with the video input module, a display output selecting module electrically connected with the video zooming module, and a left display output module and a right display output module which are respectively arranged corresponding to a left display screen and a right display screen; the display output selection module is electrically connected with the display output module.
10. The head-mounted display for controlling zooming of a picture through a touch slide bar according to claim 9, wherein the display screen is provided with an MIPI interface; and the display output module interacts with the display screen through the MIPI interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222571397.2U CN219065887U (en) | 2022-09-28 | 2022-09-28 | Head-mounted display capable of controlling picture zooming through touch control slide bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222571397.2U CN219065887U (en) | 2022-09-28 | 2022-09-28 | Head-mounted display capable of controlling picture zooming through touch control slide bar |
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| Publication Number | Publication Date |
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| CN219065887U true CN219065887U (en) | 2023-05-23 |
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| CN202222571397.2U Active CN219065887U (en) | 2022-09-28 | 2022-09-28 | Head-mounted display capable of controlling picture zooming through touch control slide bar |
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