CN213152213U - Video conference system and display device - Google Patents
Video conference system and display device Download PDFInfo
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- CN213152213U CN213152213U CN202022063432.0U CN202022063432U CN213152213U CN 213152213 U CN213152213 U CN 213152213U CN 202022063432 U CN202022063432 U CN 202022063432U CN 213152213 U CN213152213 U CN 213152213U
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Abstract
The utility model is suitable for a video technical field provides a video conference system and display device. The video conference system includes: a self-luminous display device, a camera and a communication device; the display device is provided with a plurality of display pixels and is used for displaying the received video images of other participants for users positioned at the light emitting side to watch; the display device is provided with a light-transmitting area, and the light-transmitting area allows light on the light-emitting side to penetrate to the backlight side; and the camera is positioned on the backlight side of the display device and is used for shooting a video image of a user positioned on the light emitting side through the light transmitting area. The utility model provides a video conference system's display device simple structure accomplishes integrative design easily, and appearance structure does not have the difference with ordinary TV set or computer screen, and occupation space is little, does not receive the ambient light influence moreover, can improve the image contrast.
Description
Technical Field
The utility model belongs to the technical field of the video, especially, relate to a video conference system and display device.
Background
A video conference system, also called a video conference system, refers to a system in which two or more individuals or groups in different places transmit audio, video and file data to each other through a transmission line and multimedia devices, so as to realize real-time and interactive communication and thus realize a teleconference. The video conference system can see the expression and the action of the opposite party besides the opposite party and carry out the language communication, so that the participants in different places can communicate in the same conference room.
The current video conference system strives to carry out accurate eye-to-eye communication on the basis of seeing the expression and the action of the other party so as to build a face-to-face conference effect. For example, patent No. CN 201810069356.9 discloses a video conference system, which is configured as shown in fig. 1, a transparent screen 102 separates a user from a camera 103, a projector 101 carries a received video signal of the opposite party in a projection beam of the transparent screen 102, the user can view the expression, movement, gaze, etc. of other participants through the projection image of the transparent screen 102, meanwhile, the camera 103 can shoot the gaze of the user through the transparent screen 102 and transmit the gaze to the video conference system of other participants, and 104 and 105 are polarizing plates with orthogonal polarization states. Because the camera 103 and the gaze of the user are on the same horizontal line, the photographed gaze of the user does not have an oblique vision phenomenon, and near real gaze communication between participants is realized.
However, the system shown in fig. 1 requires a projector to cooperate with the transparent projection screen, is complex in structure, occupies space, and has low image contrast because the transparent projection screen is susceptible to ambient light.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is for how to provide a simple structure, occupation space is little and the video conferencing system that the image contrast is high.
In order to solve the above technical problem, in a first aspect, the present invention provides a video conference system, including:
the self-luminous display device is provided with a plurality of display pixels and is used for displaying the received video images of other participants for users positioned on the light emitting side to watch; the display device is provided with a light transmitting area, and the light transmitting area allows light on the light emitting side to penetrate to the backlight side;
the camera is positioned on the backlight side of the display device, is positioned on the same horizontal line with the eyes of the user positioned on the light emitting side, and is used for shooting the video image of the user positioned on the light emitting side through the light transmitting area;
and the communication device is connected with the display device and used for receiving the video images of other participants and sending the video images to the display device for displaying, and is also connected with the camera and used for sending the video images shot by the camera to the video conference system of other participants.
Furthermore, the light-transmitting area is arranged beside each display pixel of the display device.
Furthermore, each display pixel of the display device comprises a plurality of primary color pixels, and the light-transmitting areas are arranged among the display pixels and among the primary color pixels.
Furthermore, the display pixels of the display device are OLED display pixels or Micro-LED display pixels.
Further, the area of the light-transmitting area accounts for 20% -70% of the total area of the display device; the distance between the display pixels is 0.01mm-2.0 mm; the lens diameter range of the camera can cover the area of 20-500 display pixels.
Furthermore, the camera is a 3D camera, and the display device is a 3D display device; the video conference system further comprises 3D glasses, and high-transparency low-reflection assemblies are attached to the outer sides of the 3D glasses.
Furthermore, the video conference system also comprises a mobile platform;
the camera install in moving platform is last, moving platform includes:
the X-axis direction moving mechanism drives the camera to move to the same horizontal position of the currently displayed image of the display device in the horizontal direction under the control of the control signal;
the Y-axis direction moving mechanism drives the camera to move in the vertical direction to the same vertical position as the currently displayed image of the display device under the control of the control signal;
the angle adjusting mechanism adjusts the shooting angle of the lens of the camera according to the moving distance of the camera in the horizontal direction and the vertical direction, so that the shooting direction of the lens of the camera, the pixel position of the current display image of the display device and the eyes of a user at the light emitting side are in a same line.
In a second aspect, the utility model also provides a self-luminous display device, which is provided with a plurality of display pixels for displaying the received video images of other participants for the users at the light-emitting side to watch; the self-luminous display device is provided with a light transmitting area, and the light transmitting area allows light rays on the light emitting side to penetrate to the backlight side; each display pixel of the self-luminous display device comprises a plurality of primary color pixels, and the light-transmitting areas are arranged among the primary color pixels.
The utility model provides a video conference system adopts display device to replace projector and projection screen among the prior art, has realized that the camera shoots from the display device back through setting up light transmission area on display device, and display device's simple structure accomplishes integrative design easily, and appearance structure does not have the difference with ordinary TV set or computer screen, and occupation space is little, does not receive the ambient light influence moreover, can improve image contrast. In addition, there is also the change in this display device's of this side demonstration position when the other party of video conference moves, and user's spirit can follow the other party and remove, consequently the utility model discloses an install the camera on moving platform, control moving platform drives the camera and removes the assigned position that shows the image dead astern at present, can shoot user's spirit more naturally, builds out more lifelike meeting effect.
Drawings
FIG. 1 is a block diagram of a prior art projected video conferencing system;
fig. 2 is provided by an embodiment of the present invention;
fig. 3 is a side view structural diagram of a display device according to an embodiment of the present invention;
fig. 4A is a front view structural diagram of a light emitting surface of a display device according to an embodiment of the present invention;
FIG. 4B is an enlarged view of portion A of FIG. 4A;
fig. 5 is a side view structural diagram of another display device provided in the embodiment of the present invention;
fig. 6 is a block diagram of a preferred video conferencing system according to an embodiment of the present invention;
fig. 7 is a rear view of the video conferencing system shown in fig. 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 2, the embodiment of the present invention provides a video conference system including a self-luminous display device 201, a camera 202, and a communication device 203, where the light-emitting side of the display device 201 is the side where the user is located, and the camera 202 is located on the backlight side of the display device 201.
The communication device 203 is connected to the display device 201, and is configured to receive video images of other participants, and then display the video images to a user located on the light emitting side of the user through the display device 201, where the display device 201 is provided with a plurality of display pixels and a light transmitting area, and the light transmitting area allows light on the light emitting side to pass through to the backlight side, and certainly allows light on the backlight side to pass through to the light emitting side.
The camera 202 on the backlight side of the display device 201 is used for shooting the video image of the user on the light emitting side through the light transmitting area on the display device 201, and the camera 202 and the eyes of the user on the light emitting side are on the same horizontal line, so that the gaze of the user can be shot without an inclination angle, and the effect of face-to-face gaze communication is created. The communication device 203 is also connected to the camera 202, and transmits the video images captured by the camera 202 to the video conference systems of other participants. Thus, for the display device 201, the head images of other participants are displayed at the positions opposite to the display pixels of the camera 202.
The display device 201 may be an OLED display device, and the display pixels are OLED display pixels, or may also be Micro-LED display pixels, and the display pixels are Micro-LED display pixels.
The position of the light-transmitting region in the display device 201 can be flexibly designed according to the requirement, and the present embodiment now provides two designs:
first, a light-transmitting region may be disposed beside each display pixel, and fig. 3 illustrates an OLED as an example, a sealant 33 is used to seal between the upper transparent electrode plate 31 and the lower transparent substrate 32, a display pixel 34 and a driving circuit 35 are sealed in the middle, each display pixel 34 includes an OLED light-emitting layer composed of three primary color pixels of RGB, light-transmitting regions 36 are disposed on the left and right sides of each display pixel 34, and light on the two sides of the display device 201 can be transmitted through the light-transmitting regions 36 in two directions.
Fig. 3 shows a side view structure of the display device 201, and fig. 4A and 4B further show a front view structure of the display device 201 at an angle of a light-emitting surface of the display device 201, and it can be seen that a light-transmitting region 36 is left on both sides of each display pixel 34.
Secondly, as shown in fig. 5, similarly, a border frame 33 is used to seal between the upper transparent electrode plate 31 and the lower transparent substrate 32, a display pixel 34 and a driving circuit 35 are sealed in the middle, each display pixel 34 includes a plurality of primary color pixels RGB (red, green and blue), and the difference from the first is that light-transmitting regions 36 are provided between the display pixels 34 and between the primary color pixels RGB. This approach requires that the spacing between primary color pixels belonging to the same display pixel 34 be smaller than the spacing between display pixels 34.
It should be noted that, the two designs are described by taking an example that each display pixel includes three primary color pixels of RGB, and specifically, the two designs may also include other types of primary color pixels, such as RGBW (red, green, blue, white), and the like, as long as each primary color pixel can form white light as a whole in a light emitting state.
As described above, the video conference system mainly has two functions of "display" and "shooting", both of which are related to the display device 201, specifically, the ratio of the pixel area of the display device 201 to the area of the light-transmitting area, when the pixel area is too large, the camera 202 may not accurately capture the video image of the user, and when the light-transmitting area is too large, the display device 201 may not be able to present the video images of other participants to the user well, which affects the conference effect, so the area design of the pixel area and the light-transmitting area of the display device 201 is very important. Through verification, when the area of the light-transmitting area accounts for 20% -70% of the total area of the display device, the two effects can be better considered. Meanwhile, when the pitch between the display pixels is 0.01mm to 2.0mm, the display effect of the display device 201 is better.
The camera 202 is internally provided with an image acquisition chip such as a CMOS or CCD, the lens of the camera 202 is required to be large enough to cover enough light transmission area, and enough light energy reflected by the face and the body of a user can be received through the light transmission area of the display device 201 to form an image on the image acquisition chip, so that a clear shooting effect is achieved. In this embodiment, the lens diameter of the camera 202 is required to be in a range of 2.0mm to 10.0mm, and the camera can cover an area of about 20 to 500 display pixels. The specification parameters in the following table are provided for reference:
the video conference system may be in a 2D mode or a 3D mode, for the 3D mode, the camera 202 is a 3D camera, the image displayed by the display device 201 is a 3D picture, and the user needs to wear 3D glasses to watch, in this case, when the light emitted by the display device 201 reaches the 3D glasses, a part of the light may be reflected, and the reflected light is taken as an interference light signal by the camera 202 after passing through the light-transmitting region 36, so to avoid or reduce the interference, a high-transmittance low-reflectance component needs to be attached to the outer side of the 3D glasses, the high-transmittance low-reflectance component may allow most of the display light of the display device 201 to be transmitted and received by the eyes of the user, and only a small part of the display light is reflected. The high-transmittance low-reflection component can be an optical film layer or optical glass.
Further, in consideration of the fact that the participants may move during the video conference, the video image of the opposite party displayed by the display device 201 generally moves, and the gaze of the user on the light emitting side moves along with the video image displayed by the display device 201, so that the camera 202 cannot shoot the gaze of the user in front. Based on this consideration, as shown in fig. 6 and fig. 7, the video conference system provided by the present invention may further include a mobile platform, on which the camera 202 is installed, and the mobile platform includes: an X-axis direction moving mechanism 204, a Y-axis direction moving mechanism 205, and an angle adjusting mechanism (not shown in the figure).
The X-axis moving mechanism 204 drives the camera 202 to move in the horizontal direction to the same horizontal position as the currently displayed image of the display device 201 under the control of the control signal; the Y-axis direction moving mechanism 205 drives the camera 202 to move in the vertical direction to the same vertical position as the currently displayed image of the display device 201 under the control of the control signal. After horizontal and vertical adjustment, the camera 202 can move to the pixel position of the currently displayed image on the display device 201.
The control signal is obtained based on the face tracking recognition module shown in fig. 7, and the face tracking recognition module constantly tracks the face movement track of the user in the video image sent from the other party, obtains real-time position information of the shot user, and sends the real-time position information to the X-axis direction moving mechanism 204 and the Y-axis direction moving mechanism 205. The face tracking recognition module can be built in the camera 202, can also be built in the display device 201, and can also be a separate module independent of the camera 202.
The angle adjustment mechanism adjusts the shooting angle of the lens of the camera 202 according to the moving distance of the camera 202 in the horizontal direction and the vertical direction, so that the shooting direction of the lens of the camera 202, the pixel position of the currently displayed image of the display device 201, and the eyes of the user on the light emitting side are on the same line. After the shooting angle of the camera 202 is adjusted by the angle adjusting mechanism, the glasses of the user can be over against the lens of the camera 202, so that the camera 202 can shoot the eye spirit of the user more naturally, and a more vivid conference effect is created.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A video conferencing system, comprising:
the self-luminous display device is provided with a plurality of display pixels and is used for displaying the received video images of other participants for users positioned on the light emitting side to watch; the display device is provided with a light transmitting area, and the light transmitting area allows light on the light emitting side to penetrate to the backlight side;
the camera is positioned on the backlight side of the display device and used for shooting a video image of a user positioned on the light emitting side through the light transmitting area;
and the communication device is connected with the display device and used for receiving the video images of other participants and sending the video images to the display device for displaying, and is also connected with the camera and used for sending the video images shot by the camera to the video conference system of other participants.
2. The video conferencing system of claim 1, wherein one of the light-transmissive regions is disposed adjacent each display pixel of the display device.
3. The video conferencing system of claim 1 wherein each display pixel of the display device comprises a plurality of primary color pixels, the light transmissive regions being disposed between the display pixels and between the primary color pixels.
4. The video conferencing system of claim 1, wherein the display pixels of the display device are OLED display pixels or Micro-LED display pixels.
5. The video conferencing system of claim 1, wherein the area of the light transmissive region comprises 20% to 70% of the total area of the display device; the distance between the display pixels is 0.01mm-2.0 mm; the lens diameter range of the camera can cover the area of 20-500 display pixels.
6. The video conferencing system of claim 1, wherein the camera is a 3D camera and the display device is a 3D display device; the video conference system further comprises 3D glasses, and high-transparency low-reflection assemblies are attached to the outer sides of the 3D glasses.
7. The video conferencing system of claim 1, wherein the video conferencing system further comprises a mobile platform; the camera install in moving platform is last, moving platform includes:
the X-axis direction moving mechanism drives the camera to move to the same horizontal position of the currently displayed image of the display device in the horizontal direction under the control of the control signal;
the Y-axis direction moving mechanism drives the camera to move in the vertical direction to the same vertical position as the currently displayed image of the display device under the control of the control signal;
the angle adjusting mechanism adjusts the shooting angle of the lens of the camera according to the moving distance of the camera in the horizontal direction and the vertical direction, so that the shooting direction of the lens of the camera, the pixel position of the current display image of the display device and the eyes of a user at the light emitting side are in a same line.
8. A self-luminous display device is characterized in that a plurality of display pixels are arranged on the self-luminous display device and used for displaying received video images of other participants for users positioned on the light emitting side to watch; the self-luminous display device is provided with a light transmitting area, and the light transmitting area allows light rays on the light emitting side to penetrate to the backlight side; each display pixel of the self-luminous display device comprises a plurality of primary color pixels, and the light-transmitting areas are arranged among the primary color pixels.
9. The display device according to claim 8, wherein one of the light-transmitting areas is provided beside each display pixel of the self-luminous display device.
10. The display device according to claim 8 or 9, wherein the display pixels of the self-luminous display device are OLED display pixels or Micro-LED display pixels.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022063432.0U CN213152213U (en) | 2020-09-20 | 2020-09-20 | Video conference system and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022063432.0U CN213152213U (en) | 2020-09-20 | 2020-09-20 | Video conference system and display device |
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| CN213152213U true CN213152213U (en) | 2021-05-07 |
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