WO2021212897A1

WO2021212897A1 - Desktop display apparatus and electronic device

Info

Publication number: WO2021212897A1
Application number: PCT/CN2020/140232
Authority: WO
Inventors: 李仕茂; 邓宁; 常天海
Original assignee: 华为技术有限公司
Priority date: 2020-04-20
Filing date: 2020-12-28
Publication date: 2021-10-28
Also published as: CN221613475U; CN113539060A

Abstract

A desktop display apparatus (1) and an electronic device, relating to the technical field of electronic devices, and capable of achieving large-screen display without increasing the size of the display window (11) of the desktop display apparatus (1). The desktop display apparatus (1) comprises a display window (11), an image generating unit (12), and an optical imaging unit (13); the display window (11) is used for arranging on a desktop of a desk structure, and the display window (11) is used for facing the eyes of the user of the desk structure; the image generating unit (12) is used for generating an image (a) to be displayed; and the optical imaging unit (13) is used for implementing imaging of the image (a) to be displayed, in order to generate an enlarged virtual image (b) corresponding to the image (a) to be displayed, enabling the eyes of the user to see the enlarged virtual image (b) from the display window (11). The desktop display apparatus (1) is used for displaying images to the user of the desk structure.

Description

Desktop display device and electronic equipment

This application claims the priority of a Chinese patent application filed with the State Intellectual Property Office of China, the application number is 202010314784.0, and the invention title is "a desktop display device and electronic equipment" on April 20, 2020, the entire content of which is incorporated by reference In this application.

Technical field

This application relates to the technical field of electronic equipment, and in particular to a desktop display device and electronic equipment.

Background technique

In electronic equipment such as game consoles and computers, there are display devices with display windows set on the desktop of the table structure such as game tables, desks, and study tables. This type of display window is set on the desktop of the table structure. The device is also a desktop display device. With the development of society and the improvement of people's living standards, desktop display devices are required to display larger images to provide a more shocking and immersive visual experience, and to reduce visual fatigue caused by long-term use.

In order to meet the above requirements, large screen display can be achieved by increasing the size of the display window of the desktop display device. For example, in the LCD desktop display device, the size of the display window (that is, the display panel) on the desktop can be increased. Achieve large screen display. For another example, in a projection desktop display device, a large screen display can be realized by increasing the size of the display window (that is, the projection screen) on the desktop. However, this increases the space occupied by the desktop display device, and cannot be installed or placed in a small space such as game tables, desks, and study tables.

Summary of the invention

The present application provides a desktop display device and electronic equipment, which can realize large-screen display without increasing the size of the display window of the desktop display device.

In order to achieve the foregoing objectives, the following technical solutions are adopted in the embodiments of the present application:

In the first aspect, some embodiments of the present application provide a desktop display device, including a display window, an image generation unit, and an optical imaging unit; The user’s eyes are opposite; the image generation unit is used to generate the image to be displayed; the optical imaging unit is used to image the image to be displayed to generate an enlarged virtual image corresponding to the image to be displayed, and enable the user’s eyes to see the image through the display window Magnified virtual image.

The desktop display device provided by this application includes a display window, an image generation unit and an optical imaging unit. The display window is used to be set on the table top of the table body structure. The image generating unit is used to generate the image to be displayed. The optical imaging unit is used to image the image to be displayed to generate an enlarged virtual image corresponding to the image to be displayed, and to enable the user's eyes to view the enlarged virtual image through the display window. The enlarged virtual image is generated by the extension of the actual light path, and the optical elements (including the optical imaging unit and the display window) through which the actual light passes can be designed to be smaller, so that the size of the display window of the desktop display device is not increased. Next, realize the big screen display.

In a possible implementation manner, the display window is a reflector; the imaging light beam generated by the optical imaging unit after imaging the image to be displayed enters the display window, and is reflected by the display window to the user's eyes, so that the user's eyes can be A magnified virtual image is seen in the display window. This structure is simple and easy to implement.

In a possible implementation manner, the optical imaging unit is a lens group, the lens group including at least one lens stacked and arranged; the optical imaging unit transmits image light of the image to be displayed, and the light beam transmitted by the optical imaging unit is the imaging light beam. , The enlarged virtual image is formed on the reverse extension line of the imaging beam. In this way, the optical imaging unit is located between the image generation unit and the display window. The optical imaging unit only transmits the incident image light beam. The optical axis of the transmitted imaging light beam is collinear with the optical axis of the image light beam incident on the optical imaging unit. , The light path between the image generation unit and the display window does not turn, so it is convenient to determine the relative positions of the image generation unit, the optical imaging unit and the display window.

One possible implementation is that the optical imaging unit is a concave mirror; the optical imaging unit reflects the image light of the image to be displayed, the image light reflected by the optical imaging unit is the imaging light beam, and the enlarged virtual image is formed in the opposite direction of the imaging light beam. Extend the line. In this way, the image beam of the image to be displayed generated by the image generation unit is reflected and turned once by the optical imaging unit and then enters the display window. The arrangement direction of the image generation unit and the optical imaging unit is consistent with the arrangement direction of the optical imaging unit and the display window. The included angle is beneficial to reduce the size of the desktop display device in the arrangement direction of the optical imaging unit and the display window. The size of the desktop display device in the arrangement direction of the optical imaging unit and the display window is also the height of the desktop display device during use after installation, so it is beneficial to reduce the occupation of the desktop display device after being installed on the desk structure high.

One possible implementation is that the optical imaging unit is a diffractive element; the optical imaging unit diffracts the image light of the image to be displayed. The image light diffracted by the optical imaging unit is the imaging light beam, and the enlarged virtual image is formed in the opposite direction of the imaging light beam. Extend the line. This structure is simple.

In a possible implementation manner, the diffraction element includes, but is not limited to, a transmission type diffraction element and a reflection type diffraction element.

In a possible implementation manner, the diffraction element is a transmission type diffraction element, and the diffraction element includes a transparent substrate and a transmission type diffraction film attached to the transparent substrate. The structure is simple and the cost is low.

In a possible implementation manner, the diffraction element is a reflection type diffraction element, and the diffraction element includes a transparent substrate and a reflection type diffraction film attached to the transparent substrate. The structure is simple and the cost is low.

In a possible implementation, the display window is a semi-transparent mirror. In this way, the user's eyes can see the image on the back side of the display window, thereby enabling an augmented reality function.

In one possible implementation, the display window is an electronically controlled transparency mirror. The transparency of the electronically controlled transparency mirror can be adjusted by electrical control, so that it can be switched between the normal display mode and the augmented reality mode.

In a possible implementation, the optical imaging unit is a reflective diffractive film, which is attached to the surface of the display window facing the user’s eyes; the optical imaging unit reflects and diffracts the image light of the image to be displayed, and the image light is The light beam reflected and diffracted by the optical imaging unit is an imaging light beam, and an enlarged virtual image is formed on the reverse extension line of the imaging light beam, and the imaging light beam is incident on the user's eyes, so that the user's eyes can see the enlarged virtual image through the display window . In this way, the display window is used not only as an interface for users to view images, but also as a support plate of the optical imaging unit. Therefore, the desktop display device described in this embodiment has a simple composition structure, a small footprint, and a low cost.

In a possible implementation manner, the image generation unit is a projection device, a display panel, or a display device with a display panel.

In a possible implementation manner, the image generation unit and the optical imaging unit and the image generation unit and the display window can be detachably connected. In this way, the image generating unit can be detached from the optical imaging unit and the display window for independent use.

In a possible implementation manner, the display window is a flat display window. The structure of the flat display window is simple and easy to manufacture.

A possible implementation manner further includes a table body structure, and the display window is arranged on the table top of the table body structure.

In a possible implementation manner, the display window is rotatably connected with the table body structure through a rotating shaft; the display window can rotate around the rotating shaft between a first position and a second position; when the display window is in the first position, the display The window is opposite to the eyes of the user; when the display window is in the second position, the display window is covered on the preset area of the desktop of the desk structure. In this way, when the user needs to use the desktop display device, the display window can be driven to rotate around the rotating shaft to the first position to display the image to the user's eyes. When the desktop display device is not used, the display window can be driven to rotate around the rotating shaft to the second position, so that the surface of the desktop display device is flat and used as an ordinary desk, thereby increasing the utilization rate of the desktop display device.

In a possible implementation manner, the predetermined area of the table body structure is provided with an installation groove, and at least the image generation unit of the image generation unit and the optical imaging unit is arranged in the installation groove. In this way, when the display window is in the second position, at least the image generating unit of the image generating unit and the optical imaging unit can be protected.

In the second aspect, some embodiments of the present application provide an electronic device including the desktop display device as described in any of the above technical solutions.

Since the desktop display device used in the electronic device of the embodiment of the present application is the same as the desktop display device described in any of the above technical solutions, the two can solve the same technical problems and achieve the same expected effects.

In a possible implementation manner, the electronic device is a game device.

The desktop display device and electronic equipment provided by this application include a display window, an image generation unit, and an optical imaging unit. The display window is used to be set on the table top of the table body structure. The image generating unit is used to generate the image to be displayed. The optical imaging unit is used to image the image to be displayed to generate an enlarged virtual image corresponding to the image to be displayed, and to enable the user's eyes to view the enlarged virtual image through the display window. The enlarged virtual image is generated by the extension of the actual light path, and the optical elements (including the optical imaging unit and the display window) through which the actual light passes can be designed to be smaller, so that the size of the display window of the desktop display device is not increased. Next, realize the big screen display.

Description of the drawings

FIG. 1 is a schematic diagram of the structure of an electronic device provided by some embodiments of the application;

FIG. 2 is a schematic diagram of the structure of an electronic device provided by some other embodiments of the application;

FIG. 3 is a schematic structural diagram of a desktop display device provided by some embodiments of the application;

FIG. 4 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 5 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 6 is a schematic structural diagram of a desktop display device provided by still other embodiments of this application;

FIG. 7 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 8 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 9 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 10 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 11 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 12 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application;

FIG. 13 is a schematic structural diagram of the desktop display device shown in FIG. 12 when the display window is in the first position;

FIG. 14 is a schematic structural diagram of the desktop display device shown in FIG. 12 when the display window is in the second position.

Detailed ways

In the embodiments of the present application, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features.

In electronic equipment such as game consoles and computers, there are display devices with display windows set on the desktop of the table structure such as game tables, desks, and study tables. This type of display window is set on the desktop of the table structure. The device is also a desktop display device. With the development of society and the improvement of people's living standards, desktop display devices are required to display larger images to provide a more shocking and immersive visual experience, and to reduce visual fatigue caused by long-term use. At the same time, the desktop display device is limited by the space around the desk structure and cannot be increased in size.

In order to be able to display large-screen images without increasing the size of the display window of the desktop display device, this application provides an electronic device including but not limited to game devices and computers. The electronic device includes a desktop Display device.

FIG. 1 is a schematic structural diagram of an electronic device provided by some embodiments of the application, and the electronic device is a game device. As shown in FIG. 1, the electronic equipment includes a game controller 3, a game console 2 and a desktop display device 1. Both the game handle 3 and the desktop display device 1 are electrically connected to the game host 2. The game handle 3 is used for inputting operation instructions to the game host 2, and the game host 2 is used for running according to the operating instructions and displaying the current running image through the desktop display device 1.

FIG. 2 is a schematic structural diagram of an electronic device provided by some other embodiments of the application, and the electronic device is an office computer. As shown in FIG. 2, the electronic equipment includes a desktop display device 1, a computer host 4, a keyboard 5 and a mouse 6. The desktop display device 1, the keyboard 5 and the mouse 6 are all electrically connected to the host computer 4. The mouse 6 is used to input operation instructions to the computer host 4, and the keyboard 5 is used to input operation commands and information to the computer host 4. The computer host 4 is used to run according to the operation instructions, the operation commands and information, and display them through the desktop display device 1. Current operating information.

The present application further provides a desktop display device, which is the desktop display device in the above-mentioned electronic equipment. The desktop display device includes a display window, an image generation unit, and an optical imaging unit. The display window is used to be set on the table top of the table body structure. The image generating unit is used to generate the image to be displayed. Specifically, the image generating device includes, but is not limited to, projection equipment, display panels (such as liquid crystal display (LCD), organic light emitting diode (OLED) display panels, and micro light emitting diodes). , Micro-LED) display panels) and display devices with display panels (such as mobile phones, tablet computers). The optical imaging unit is used to image the image to be displayed to generate an enlarged virtual image corresponding to the image to be displayed, and to enable the user's eyes to view the enlarged virtual image through the display window. Specifically, the optical imaging unit includes, but is not limited to, a transmissive imaging element, a reflective imaging element, and a diffractive imaging element.

FIG. 3 is a schematic structural diagram of a desktop display device provided by some embodiments of the application. The desktop display device is the desktop display device 1 in the electronic device shown in FIG. 1. As shown in FIG. 3, the desktop display device 1 includes a display window 11, an image generation unit 12 and an optical imaging unit 13. The display window 11 is a reflecting mirror, and the display window 11 is used to be set on a table top of the table structure, and the display window 11 is used to face the eyes of the user of the table structure. The image generating unit 12 is used to generate an image a to be displayed. The optical imaging unit 13 is a transmission imaging element, specifically, the optical imaging unit 13 is a lens group. The optical imaging unit 13 transmits image light of the image to be displayed, and the image light beam transmitted by the optical imaging unit 13 is an imaging light beam, and an enlarged virtual image b is formed on the reverse extension line of the imaging light beam. The imaging light beam enters the display window 11 and is reflected by the display window 11 to the eyes of the user. As a result, the enlarged virtual image b is mirror-imaged through the display window 11, and a virtual image c that is as large as the virtual image b is formed on the side of the display window 11 away from the user's eyes, and the user's eyes can view the virtual image c through the display window 11. . It should be noted that, in this embodiment, in order to form an enlarged virtual image b on the reverse extension line of the imaging beam, the distance between each point on the image a to be displayed generated by the image generating unit 12 and the optical imaging unit 13 It needs to be smaller than the equivalent focal length of the optical imaging unit 13.

In this way, the optical imaging unit 13 is located between the image generating unit 12 and the display window 11. The optical imaging unit 13 only transmits the image beam that is incident. Therefore, the optical path between the image generating unit 12 and the display window 11 does not turn, which facilitates the determination of the relative positions of the image generating unit 12, the optical imaging unit 13 and the display window 11.

In the embodiment shown in FIG. 3, the optical imaging unit 13 is a lens group. The lens group may include one lens or multiple lenses. When the lens group includes multiple lenses, the multiple lenses are stacked. FIG. 3 only shows an example in which the lens group includes one convex lens, and does not limit the foregoing embodiment.

In the embodiment shown in FIG. 3, the image generation unit 12 may be a projection device based on a digital mirror device (DMD) or liquid crystal on silicon (LCoS), or it may be an LCD or an OLED. The display panel or Micro-LED display panel can also be a mobile phone, tablet computer, etc. with an LCD, OLED display panel or Micro-LED display panel, which is not specifically limited here.

Illustratively, as shown in FIG. 4, the image generating unit 12 is an LCD.

As another example, as shown in FIG. 5, the image generating unit 12 is a projection device, which includes a laser light source (not shown in the figure), a DMD 121, a lens 122, and a projection screen 123. The laser light source emits an illuminating beam to the DMD 121 The DMD generates an image beam based on the illumination beam, and the image beam passes through the lens 122 and is projected onto the projection screen 123. The projection screen 123 may be a transmission display type projection screen or a reflection display type projection screen, which is not specifically limited here. FIG. 5 only shows that the projection screen 123 is a transmissive display type projection screen, and it cannot be regarded as limiting the structure of the projection screen 123 of the image generating unit 12.

In the embodiment shown in FIG. 3, the display window 11 is a mirror. Specifically, the display window 11 may be an opaque mirror, a semi-transparent mirror, or a fully transparent mirror, which is not specifically limited here. Wherein, when the display window 11 is a fully transparent mirror, after the imaging light beam enters the display window 11, the material of the display window 11 is different from the air, so that part of the light is reflected. When the display window 11 is a semi-transparent mirror or a fully transparent mirror, the user's eyes can see the scene on the side of the display window 11 facing away from the user, thereby realizing the augmented reality function. When the display window 11 is a semi-transparent mirror, specifically, the display window 11 may be an electrically-controlled transparency mirror, and the transparency of the electrically-controlled transparency mirror can be adjusted by electrical control, so that the desktop display device provided by this application can be used in ordinary Switch between display mode and augmented reality mode.

FIG. 6 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 6, the desktop display device 1 includes a display window 11, an image generation unit 12 and an optical imaging unit 13. The display window 11 is a reflecting mirror, and the display window 11 is used to be set on a table top of the table structure, and the display window 11 is used to face the eyes of the user of the table structure. The image generating unit 12 is used to generate an image a to be displayed. The optical imaging unit 13 is a reflective imaging element, specifically, the optical imaging unit 13 is a concave mirror. The optical imaging unit 13 reflects the image light of the image to be displayed, and the light beam of the image light reflected by the optical imaging unit 13 is an imaging light beam, and an enlarged virtual image b is formed on the reverse extension line of the imaging light beam. The imaging light beam enters the display window 11 and is reflected by the display window 11 to the eyes of the user. As a result, the enlarged virtual image b is mirror-imaged through the display window 11, and a virtual image c that is as large as the virtual image b is formed on the side of the display window 11 away from the user's eyes, and the user's eyes can view the virtual image c through the display window 11. . It should be noted that, in this embodiment, in order to form an enlarged virtual image b on the reverse extension line of the imaging beam, the distance between each point on the image a to be displayed generated by the image generating unit 12 and the optical imaging unit 13 It needs to be smaller than the equivalent focal length of the optical imaging unit 13.

In this way, the image light beam of the image a to be displayed generated by the image generation unit 12 is reflected and turned once by the optical imaging unit 13 and then enters the display window 11. The arrangement direction of the image generation unit 12, the optical imaging unit 13 and the optical imaging unit 13, The arrangement direction of the display windows 11 is at a certain angle, which is beneficial to reduce the size of the desktop display device 1 in the arrangement direction of the optical imaging unit 13 and the display windows 11. The size of the desktop display device 1 in the arrangement direction of the optical imaging unit 13 and the display window 11 is also the height of the desktop display device 1 during use after installation, so it is beneficial to reduce the installation of the desktop display device 1 on the desk body. Occupied height after the structure.

In the embodiment shown in FIG. 6, the image generating unit 12 may be the same as the image generating unit in the embodiment shown in FIG. 3, which will not be repeated here.

In the embodiment shown in FIG. 6, the display window 11 may be the same as the display window in the embodiment shown in FIG. 3, which will not be repeated here.

FIG. 7 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 7, the desktop display device 1 includes a display window 11, an image generation unit 12 and an optical imaging unit 13. The display window 11 is a reflecting mirror, and the display window 11 is used to be set on a table top of the table structure, and the display window 11 is used to face the eyes of the user of the table structure. The image generating unit 12 is used to generate an image a to be displayed. The optical imaging unit 13 is a diffractive element, and the diffractive element is a transmission type diffractive element. The optical imaging unit 13 transmits and diffracts the image light of the image to be displayed, and the light beam transmitted and diffracted by the optical imaging unit 13 is the imaging light beam, and an enlarged virtual image b is formed on the reverse extension line of the imaging light beam. The imaging light beam enters the display window 11 and is reflected by the display window 11 to the eyes of the user. As a result, the enlarged virtual image b is mirror-imaged through the display window 11, and a virtual image c that is as large as the virtual image b is formed on the side of the display window 11 away from the user's eyes, and the user's eyes can view the virtual image c through the display window 11. . It should be noted that, in this embodiment, in order to form an enlarged virtual image b on the reverse extension line of the imaging beam, the distance between each point on the image a to be displayed generated by the image generating unit 12 and the optical imaging unit 13 It needs to be smaller than the equivalent focal length of the optical imaging unit 13.

In this way, the optical imaging unit 13 is located between the image generating unit 12 and the display window 11. The optical imaging unit 13 only transmits and diffracts the incident image beam, and the optical axis of the transmitted and diffracted imaging beam is the same as the incident optical imaging unit. The optical axis of the image beam 13 can be collinear. Therefore, the optical path between the image generating unit 12 and the display window 11 does not turn, thus facilitating the relative relationship between the image generating unit 12, the optical imaging unit 13 and the display window 11. The location is ok.

In the embodiment shown in FIG. 7, the optical imaging unit 13 may be a transmission type diffraction plate, or may include a transparent substrate 131 and a transmission type diffraction film 132 attached to the transparent substrate 131, which is not specifically limited herein. 7 only shows an example in which the optical imaging unit 13 includes a transparent substrate 131 and a transmissive diffractive film 132 attached to the transparent substrate 131, and does not limit the specific structure of the optical imaging unit 13 when it is a transmissive diffractive element. And when the optical imaging unit 13 includes a transparent substrate 131 and a transmissive diffraction film 132 attached to the transparent substrate 131, the transmissive diffraction film 132 can be attached to the light incident surface of the transparent substrate 131, or attached On the light-emitting surface of the transparent substrate 131, there is no specific limitation here.

In the embodiment shown in Fig. 7, the image generating unit 12 may be the same as the image generating unit in the embodiment shown in Fig. 3, which will not be repeated here.

In the embodiment shown in FIG. 7, the display window 11 may be the same as the display window in the embodiment shown in FIG. 3, which will not be repeated here.

FIG. 8 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 8, the desktop display device 1 includes a display window 11, an image generation unit 12 and an optical imaging unit 13. The display window 11 is a reflecting mirror, and the display window 11 is used to be set on a table top of the table structure, and the display window 11 is used to face the eyes of the user of the table structure. The image generating unit 12 is used to generate an image a to be displayed. The optical imaging unit 13 is a diffractive element, and the diffractive element is a reflection type diffractive element. The optical imaging unit 13 reflects and diffracts the image light of the image to be displayed. The image light reflected and diffracted by the optical imaging unit 13 is an imaging light beam, and an enlarged virtual image b is formed on the reverse extension line of the imaging light beam. The imaging light beam enters the display window 11 and is reflected by the display window 11 to the eyes of the user. As a result, the enlarged virtual image b is mirror-imaged through the display window 11, and a virtual image c that is as large as the virtual image b is formed on the side of the display window 11 away from the user's eyes, and the user's eyes can view the virtual image c through the display window 11. . It should be noted that, in this embodiment, in order to form an enlarged virtual image b on the reverse extension line of the imaging beam, the distance between each point on the image a to be displayed generated by the image generating unit 12 and the optical imaging unit 13 It needs to be smaller than the equivalent focal length of the optical imaging unit 13.

In the embodiment shown in FIG. 8, the optical imaging unit 13 may be a reflective diffraction plate, or may include a transparent substrate 131 and a reflective diffraction film 133 attached to the transparent substrate 131, which is not specifically limited herein. 8 only shows an example in which the optical imaging unit 13 includes a transparent substrate 131 and a reflective diffractive film 133 attached to the transparent substrate 131, and does not limit the specific structure of the optical imaging unit 13 when it is a reflective diffractive element. And when the optical imaging unit 13 includes a transparent substrate 131 and a reflective diffractive film 133 attached to the transparent substrate 131, the reflective diffractive film 133 can be attached to the surface of the transparent substrate 131 facing the image generating unit 12. It can be pasted on the surface of the transparent substrate 131 facing away from the image generating unit 12, which is not specifically limited here.

In the embodiment shown in FIG. 8, the image generating unit 12 may be the same as the image generating unit in the embodiment shown in FIG. 3, which will not be repeated here.

In the embodiment shown in FIG. 8, the display window 11 may be the same as the display window in the embodiment shown in FIG. 3, which will not be repeated here.

In the embodiments shown in FIGS. 3 to 8, the display window 11 is only used as an interface for the user to view images.

FIG. 9 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 9, the desktop display device 1 includes a display window 11, an image generation unit 12 and an optical imaging unit 13. The display window 11 includes, but is not limited to, a light-transmitting structure and an opaque structure. The display window 11 is used to be set on a desktop of a desk structure, and the display window 11 is used to face the eyes of a user of the desk structure. The image generating unit 12 is used to generate an image a to be displayed. The optical imaging unit 13 is a reflective diffractive film, and the reflective diffractive film is attached to the surface of the display window 11 facing the eyes of the user. The optical imaging unit 13 reflects and diffracts the image light of the image a to be displayed. The image light reflected and diffracted by the optical imaging unit 13 is an imaging light beam, and an enlarged virtual image b is formed on the reverse extension of the imaging light beam. The imaging light beam directly enters the user's eyes, so that the user's eyes can view the virtual image b through the display window 11. It should be noted that, in this embodiment, in order to form an enlarged virtual image b on the reverse extension line of the imaging beam, the distance between each point on the image a to be displayed generated by the image generating unit 12 and the optical imaging unit 13 It needs to be smaller than the equivalent focal length of the optical imaging unit 13.

In this way, the display window 11 is not only used as an interface for users to view images, but also used as a support plate of the optical imaging unit 13. Therefore, the desktop display device 1 described in this embodiment has a simple structure, a small footprint, and a relatively high cost. Low.

In the embodiment shown in FIG. 9, the material of the display window 11 includes but is not limited to plastic and metal, and the display window 11 may be a mirror or a non-reflective structure, which is not specifically limited here. When the display window 11 is a reflecting mirror, specifically, the display window 11 may be the same as the display window in the embodiment shown in FIG. 3, which will not be repeated here.

In the embodiment shown in FIG. 9, the image generation unit 12 may be the same as the image generation unit in the embodiment shown in FIG. 3, which will not be repeated here.

In the embodiments shown in FIGS. 3-9, the display window 11 may be a flat display window or a curved display window, which is not specifically limited here. In some embodiments, the display window 11 is a flat display window.

In the embodiments shown in FIGS. 3 to 9, in a possible implementation manner, the image generation unit 12 and the optical imaging unit 13 and the image generation unit 12 and the display window 11 can be detachably connected. In this way, the image generating unit 12 can be detached from the optical imaging unit 13 and the display window 11 for separate use.

Since the desktop display device used in the electronic device provided in this application is the desktop display device described in any of the above embodiments, the electronic device provided in this application can also be used on the premise of not increasing the size of the display window of the desktop display device , Achieve large screen display.

In some embodiments, the desktop display device further includes a desk structure, and the display window is disposed on the desktop of the desk structure. Specifically, the display window can be placed upright on the table top of the table structure, or it can be laid flat and embedded in the table top of the table structure, or it can be hinged on the table top of the table structure through a rotating shaft, which is not specifically limited here. .

FIG. 10 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 10, the desktop display device 1 includes a display window 11, an image generation unit 12, an optical imaging unit 13 and a desk structure 14. The structure and relative positional relationship of the display window 11, the image generation unit 12, and the optical imaging unit 13 may be the structure shown in any one of the embodiments in FIGS. 3-9. The display window 11 is erected on the table top 141 of the table body structure 14. In this way, the user can watch the screen displayed on the display window 11 while sitting on the chair matched with the table body structure 14, which is suitable for scenarios that are used for a long time such as office computers and home computers.

FIG. 11 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 11, the desktop display device 1 includes a display window 11, an image generation unit 12, an optical imaging unit 13 and a desk structure 14. The structure and relative positional relationship of the display window 11, the image generating unit 12, and the optical imaging unit 13 may be the structure shown in any one of the embodiments in Figs. 3-9. The display window 11 is laid flat and embedded in the desktop 141 of the table structure 14. In this way, the user standing next to the table structure 14 and looking down on the desktop 141 of the table structure 14 can watch the screen displayed by the display window 11, which is suitable for scenes that require short-term use such as game equipment.

FIG. 12 is a schematic structural diagram of a desktop display device provided by still other embodiments of the application. As shown in FIG. 12, the desktop display device 1 includes a display window 11, an image generation unit 12, an optical imaging unit 13 and a desk structure 14. The structure and relative positional relationship of the display window 11, the image generation unit 12, and the optical imaging unit 13 may be the structure shown in any one of the embodiments in FIGS. 3-9. The display window 11 and the table body structure 14 are rotatably connected by a rotating shaft 15. The display window 11 can rotate between the first position A and the second position B around the rotating shaft 15. When the display window 11 is at the first position A, as shown in FIG. 13, the display window 11 is standing on the desktop 141 of the table structure 14 and facing the user's eyes. When the display window 11 is at the second position B, the display window 11 covers the predetermined area of the desktop 141 of the table structure 14. In this way, when the user needs to use the desktop display device 1, he can drive the display window 11 to rotate around the rotating shaft 15 to the first position A to display an image to the user's eyes. When the desktop display device 1 is not used, the display window 11 can be driven to rotate around the rotating shaft 15 to the second position B, so that the surface of the desktop display device 1 is flat and used as an ordinary desk, thereby increasing the utilization of the desktop display device 1 Rate.

In the above embodiment, optionally, as shown in FIG. 14, the predetermined area of the table structure 14 is provided with a mounting slot 16, and at least the image generating unit 12 of the image generating unit 12 and the optical imaging unit 13 is disposed in the mounting slot 16. Inside. In this way, when the display window 11 is in the second position B, at least the image generating unit 12 of the image generating unit 12 and the optical imaging unit 13 can be protected.

In the description of this specification, specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the application, not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced; these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

A desktop display device, characterized by comprising:

A display window, configured to be set on the desktop of the desk structure, the display window being used to face the eyes of the user of the desk structure;

An image generating unit for generating an image to be displayed;

The optical imaging unit is configured to image the image to be displayed to generate an enlarged virtual image corresponding to the image to be displayed, and to enable the user's eyes to view the enlarged virtual image through the display window.
The desktop display device of claim 1, wherein the display window is a mirror;

The imaging light beam generated by the optical imaging unit imaging the image to be displayed enters the display window, and is reflected by the display window to the eyes of the user, so that the eyes of the user can be The enlarged virtual image can be viewed on the display window.
The desktop display device according to claim 2, wherein the optical imaging unit is a lens group, and the lens group includes at least one lens stacked in layers;

The optical imaging unit transmits the image light of the image to be displayed, the image light beam transmitted by the optical imaging unit is the imaging light beam, and the enlarged virtual image is formed in the reverse extension of the imaging light beam on-line.
The desktop display device according to claim 2, wherein the optical imaging unit is a concave mirror;

The optical imaging unit reflects the image light of the image to be displayed, the image light reflected by the optical imaging unit is the imaging light beam, and the enlarged virtual image is formed in the reverse extension of the imaging light beam on-line.
The desktop display device according to claim 2, wherein the optical imaging unit is a diffractive element;

The optical imaging unit diffracts the image light of the image to be displayed, the image light beam diffracted by the optical imaging unit is the imaging light beam, and the enlarged virtual image is formed in the reverse extension of the imaging light beam on-line.
The desktop display device according to any one of claims 2-5, wherein the display window is a semi-transparent mirror.
7. The desktop display device of claim 6, wherein the display window is an electrically controlled transparency mirror.
The desktop display device of claim 1, wherein the optical imaging unit is a reflective diffractive film, and the reflective diffractive film is attached to the surface of the display window facing the user's eyes;

The optical imaging unit reflects and diffracts the image light of the image to be displayed, and the light beam after the image light is reflected and diffracted by the optical imaging unit is an imaging light beam, and the reverse extension of the imaging light beam forms the The enlarged virtual image, the imaging light beam is incident on the eyes of the user, so that the eyes of the user can view the enlarged virtual image through the display window.
The desktop display device according to any one of claims 1-8, wherein the image generating unit is a projection device, a display panel, or a display device with a display panel.
The desktop display device according to any one of claims 1-9, wherein the image generation unit and the optical imaging unit and between the image generation unit and the display window can be detached connect.
The desktop display device according to any one of claims 1-10, wherein the display window is a flat display window.
11. The desktop display device according to any one of claims 1-11, further comprising:

The table body structure, the display window is arranged on the table top of the table body structure.
The desktop display device according to claim 12, wherein the display window and the table body structure are rotatably connected by a rotating shaft;

The display window can rotate around the rotating shaft between a first position and a second position;

When the display window is in the first position, the display window is opposite to the eyes of the user;

When the display window is in the second position, the display window is covered on a predetermined area of the desktop of the desk structure.
The desktop display device according to claim 13, wherein:

The predetermined area of the table structure is provided with an installation groove, and at least the image generation unit of the image generation unit and the optical imaging unit is arranged in the installation groove.
An electronic device, characterized by comprising the desktop display device according to any one of claims 1-14.
The electronic device according to claim 15, wherein the electronic device is a game device.