WO2017054237A1

WO2017054237A1 - Led display system

Info

Publication number: WO2017054237A1
Application number: PCT/CN2015/091406
Authority: WO
Inventors: 魏晓敏
Original assignee: 魏晓敏
Priority date: 2015-10-02
Filing date: 2015-10-02
Publication date: 2017-04-06
Also published as: CN205582445U

Abstract

An LED display system, comprising: a display part (1) provided with LED light emitting units (11) distributed in a preset dot matrix, and a control circuit board (2) provided with a control chip used for controlling the display part (1) to implement display, the LED display system also comprising: cameras (3) arranged in at least two different positions in the dot matrix, the control chip comparing the images returned by each camera (3) and selecting the image of one of the cameras (3) to be an actual recorded image. The cameras (3) are embedded into the entire LED display dot matrix, and do not obstruct one or several of the light emitting units (11), thus achieving the effect of good video interactivity.

Description

LED display system

Technical field

The present application relates to the field of light emitting diodes, and more particularly to an LED display system.

Background technique

As a green light-emitting semiconductor, Light Emitting Diode (LED) is widely used in lighting, display and other fields due to its energy saving, environmental protection and high light efficiency.

Taking the LED display as an example, the LED large screen used for the two parties' meetings has gradually appeared on the market. Usually, video conferencing requires both cameras and displays, which are basically independent, and need to adjust the camera position in front of the display to achieve "face-to-face" video interaction, and the camera obviously obscures part of the display due to its large size. , resulting in an unsatisfactory interaction.

Summary of the invention

The present application aims to solve at least one of the above technical problems to some extent.

The present application provides an LED display system including: a display portion in which an LED lighting unit is disposed in a preset dot matrix; and a control circuit board provided with a control chip for controlling display of the display portion, the LED display system further The camera includes: a camera disposed at at least two different positions in the dot matrix, and the control chip selects an image of one of the cameras as an actual recorded image in comparison with an image returned by each of the cameras.

Further, the camera is distributed at four positions in the dot matrix, and the four positions are respectively located at the top, bottom, left, and right of the center of the dot matrix.

Further, the camera is distributed at three positions in the dot matrix, and the three positions are respectively located at the top, left, and right of the center of the dot matrix.

Further, the camera is distributed at three positions in the dot matrix, and the three positions are respectively located at the lower, left and right sides of the center of the dot matrix.

Further, the camera is distributed at two positions in the dot matrix, and the two positions are respectively located above and below the center of the dot matrix.

Further, the camera is distributed at two positions in the dot matrix, and the two positions are respectively located at the left and right of the center of the dot matrix.

Further, the control chip is a PLC control chip or an FPGA control chip.

The beneficial effects of the application are:

By providing an LED display system, comprising: displaying a display portion of an LED lighting unit in a preset dot matrix and setting a control circuit board having a control chip for controlling display by the display portion, the LED display system further comprising: a camera arranged at at least two different positions in the dot matrix, the control chip comparing each of the cameras The returned image selects an image of one of the cameras as an actual recorded image. In this way, the camera is embedded in the entire LED display dot matrix without blocking some or some of the light-emitting units, thereby achieving good video interaction.

DRAWINGS

FIG. 1 is a schematic structural diagram of an LED display system according to an embodiment of the present application.

detailed description

The embodiments of the present application are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative, and are not to be construed as limiting.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position of indications such as "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description and the simplified description, and is not intended to indicate or imply that the device or component referred to has a specific orientation, and is constructed and operated in a specific orientation. It is not to be construed as limiting the application.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the present application, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood on a case-by-case basis.

In the present application, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly above and above the second feature, or merely the first feature level being less than the second feature.

The present application will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 , the embodiment provides an LED display system, which can display the video image of the other party on the one hand, and record and transmit the video image to the other party for display on the other hand, thereby realizing the true meaning. "Face to face" video.

The above LED display system mainly includes a display unit 1 in which an LED light emitting unit 11 is disposed in a preset dot matrix, and a control circuit board 2 provided with a control chip for controlling display by the display unit 1. The LED display system further includes: a camera 3 arranged at at least two different positions in the dot matrix, and the control chip selects an image of one of the cameras 3 as an actual recorded image in comparison with the image returned by each camera 3.

In this way, the camera is embedded in the entire LED display dot matrix without blocking some or some of the light-emitting units, thereby achieving good video interaction. In addition, it is also possible to select an image taken by one of the cameras as the current actual recorded image to be transmitted to the other party, for example, according to the focus person recognition alignment, the image taken by the camera with the focus person at the center of the image as the actual recorded image or the like.

In specific applications, one of the following arrangements can be used:

First, the camera is distributed in four positions in the dot matrix, and the four positions are respectively located at the top, bottom, left, and right of the center of the dot matrix.

Second, the camera is distributed in three positions in the dot matrix, and the three positions are located at the top, left, and right of the center of the dot matrix.

Third, the camera is distributed in three positions in the dot matrix, and the three positions are located at the lower, left, and right sides of the center of the dot matrix.

Fourth, the camera is distributed in two positions in the dot matrix, and the two positions are respectively located above and below the center of the dot matrix.

Fifth, the camera is distributed in two positions in the dot matrix, and the two positions are respectively located at the left and right sides of the center of the dot matrix.

Of course, other arrangements and the number of cameras can be selected according to the actual situation.

In general, the control chip can be a PLC control chip or an FPGA control chip.

In the description of the present specification, reference is made to the descriptions of the terms "one embodiment", "some embodiments", "one embodiment", "some embodiments", "example", "specific examples", or "some examples" The specific features, structures, materials, or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the application. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

The above content is a further detailed description of the present application in conjunction with the specific embodiments, and the specific implementation of the present application is not limited to the description. For the ordinary person skilled in the art to which the present invention pertains, a number of simple deductions or substitutions may be made without departing from the spirit of the present application.

Claims

An LED display system comprising: a display portion in which an LED lighting unit is arranged in a preset dot matrix; and a control circuit board provided with a control chip for controlling display of the display portion, wherein the LED display system Also included is a camera arranged in at least two different positions in the lattice, the control chip selecting an image of one of the cameras as an actual recorded image in comparison with an image returned by each of the cameras.
The LED display system according to claim 1, wherein said cameras are distributed at four positions in said lattice, said four positions being respectively located at the top, bottom, left and right of said lattice center square.
The LED display system of claim 1 wherein said cameras are distributed at three locations in said lattice, said three locations being located above, to the left, and to the right of said lattice center.
The LED display system according to claim 1, wherein said cameras are distributed at three positions in said lattice, said three positions being located at the lower, left and right sides of said lattice center, respectively.
The LED display system of claim 1 wherein said cameras are distributed at two locations in said lattice, said two locations being located above and below said center of said lattice, respectively.
The LED display system according to claim 1, wherein said cameras are distributed at two positions in said lattice, said two positions being respectively located at left and right of said lattice center.
The LED display system according to any one of claims 1 to 6, wherein the control chip is a PLC control chip or an FPGA control chip.