CN115148113A - Display device and control method of LED display screen - Google Patents
Display device and control method of LED display screen Download PDFInfo
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- CN115148113A CN115148113A CN202110341309.7A CN202110341309A CN115148113A CN 115148113 A CN115148113 A CN 115148113A CN 202110341309 A CN202110341309 A CN 202110341309A CN 115148113 A CN115148113 A CN 115148113A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The embodiment of the invention discloses a display device and a control method of an LED display screen. The display device includes: the system comprises an LED display screen and a sending card; the LED display screen comprises at least two display areas, wherein the dot spacing of the at least two display areas is different; the transmitting card is used for transmitting corresponding display parameters to different display areas through different signal transmitting ports, so that each display area displays corresponding images. The embodiment of the invention can meet diversified display requirements.
Description
Technical Field
The embodiment of the invention relates to a display technology, in particular to a display device and a control method of an LED display screen.
Background
At present, the LED display device has the advantages of low power consumption, energy conservation, good color expression and the like, and is widely applied to indoor or outdoor places needing screen display, such as transportation indication control centers, video conferences, studios and the like.
However, while the LED display device is widely used, the demand for the display effect is also increasing. The existing LED display device has single display form and display effect and is difficult to meet the diversified display requirements of customers.
Disclosure of Invention
The invention provides a display device and a control method of an LED display screen, which are used for meeting diversified display requirements.
In a first aspect, an embodiment of the present invention provides a display device, including:
the system comprises an LED display screen and a sending card; the LED display screen comprises at least two display areas, wherein the dot spacing of the at least two display areas is different;
the transmitting card is used for transmitting corresponding display parameters to different display areas through different signal transmitting ports, so that each display area displays corresponding images.
Through setting up the display area of two at least different dot intervals, different display areas can show the content of different details, can satisfy diversified demonstration demand, promote display device's display effect to this embodiment adopts a sending card can accomplish the sending of the display parameter of the display area of a plurality of different dot intervals, reduces display device's cost.
Optionally, each display area is connected to at least one signal sending port of the sending card, and the sending card is configured to send the display parameters to the corresponding display area through the at least one signal sending port.
The display parameters can be received through only one signal transmission port for the display area with a small area. For a display area with a large area, the display area can be set to be connected with two or more than two signal sending ports, and different areas in the display area receive corresponding display parameters through different signal sending ports, so that the arrangement can reduce wiring difficulty and improve signal transmission speed.
Optionally, the sending card is configured to receive at least two paths of video signals, merge the at least two paths of video signals into one frame of image to be displayed according to the positions of the at least two display areas, and determine a display parameter corresponding to each display area according to the position and the size of the image to be displayed and each display area, where the image to be displayed includes display content of each path of video signal.
Each path of video signal can contain different display contents, and multiple paths of different video signals can be set according to image display requirements, so that a display screen can display richer images.
Optionally, each of the display regions includes at least one LED box:
each LED box body comprises a box body frame, an integrated paired inserting plate and at least two LED unit plates, wherein the at least two LED unit plates are detachably arranged on the surface of the box body frame, and the integrated paired inserting plates are arranged in the box body frame; the LED unit board is connected with the integrated opposite insertion board;
the integrated plug-in board is used for receiving the display parameters sent by the sending card and controlling the LED unit board to display pictures according to the display parameters.
LED cell board detachable is fixed in the box frame, can dismantle the replacement to the LED cell board of a certain display area as required, changes the point interval in this display area, and the display device that this embodiment provided promptly can change the point interval of LED display screen as required, realizes different display picture's demonstration, further satisfies different demonstration demands.
Optionally, the display parameters include display coordinates corresponding to each LED box and sub-display images corresponding to a display area where the LED box is located;
the integrated paired plug-in boards are used for acquiring display signals corresponding to the LED box bodies from the sub-display images according to the display coordinates and controlling at least two LED unit boards of the LED box bodies to display according to the display signals.
By the arrangement, the sending card only needs to split the image to be displayed into the sub-display images with the same number as the display area, so that the workload of the sending card is reduced, the splitting efficiency is improved, and splitting errors caused by too many splitting numbers can be avoided. Optionally, the integrated add-drop board includes a memory;
the memory is used for storing the display parameters.
By the arrangement, when the displayed contents are the same, each LED box receiving card can directly read back the display parameters from the respective memory when the power is on and restarted each time, so that the display of the image to be displayed is realized, and the display parameters do not need to be sent to the LED box when the power is on each time.
Optionally, a first magnetic suction seat is further arranged in the box body frame;
a plurality of LED chips arranged in an array are arranged on one side of the LED unit plate, and an integrated socket and a second magnetic suction seat are arranged on one side of the LED unit plate, which is far away from the LED chips;
the LED unit board is connected with the integrated plug board through the integrated paired sockets, and the second magnetic suction seat and the first magnetic suction seat are detachably arranged on the surface of the box body frame.
With the arrangement, the LED unit board can be disassembled and replaced more quickly.
Optionally, the LED chip densities of the LED unit boards in different display regions are different.
Because the density of the LED chips is different, the capability of the LED unit board for displaying image details is different, the manufacturing difficulty and the cost of the LED unit board are different, the density of the LED chips in the display area can be set according to the display requirements of different display areas, and the cost of the display screen is reduced while the image details can be well reflected. Optionally, the signal sending port is an internet access.
Because the internet access communication is mature, the data is not easy to lose, and the cost is low, by setting the signal sending port as the internet access, the image transmission is ensured to have higher stability, and the cost of the display screen is reduced.
In a second aspect, an embodiment of the present invention further provides a method for controlling an LED display screen, where the LED display screen includes at least two display areas, and dot pitches of the at least two display areas are different;
the method comprises the following steps: the sending card sends corresponding display parameters to different display areas through different signal sending ports, so that each display area displays corresponding images.
The display device provided by the embodiment of the invention comprises an LED display screen which comprises at least two display areas with different point distances, and a sending card sends corresponding display parameters to the different display areas through different signal sending ports, so that each display area displays a corresponding image.
Drawings
Fig. 1 is a schematic diagram of a display device according to an embodiment of the invention;
FIG. 2 is a schematic diagram of an image to be displayed according to an embodiment of the present invention;
fig. 3 is a perspective view of a display device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a box frame and an integrated patch panel according to an embodiment of the present invention;
fig. 5 is a schematic rear view of an LED unit board according to an embodiment of the present invention;
fig. 6 is a schematic front view of an LED unit board according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic diagram of a display device according to an embodiment of the present invention, and referring to fig. 1, the display device includes:
an LED display screen 10 and a transmitting card 20; the LED display screen 10 comprises at least two display areas, wherein the dot spacing of the at least two display areas is different;
the transmitting card 20 is used for transmitting corresponding display parameters to different display areas through different signal transmitting ports, so that each display area displays a corresponding image.
The minimum light-emitting pixel of the LED display screen 10 is the same as the pixel in the display, and the pixel of the LED display screen 10 is commonly called "dot", and the distance from the center of one pixel to the center of another pixel is the so-called dot pitch. The smaller the dot pitch is, the higher the pixel density is, the more the disposable displayable capacity per unit area is, the clearer the display details are, and the closer the suitable viewing distance is. The LED display screen 10 may include two or more display areas with different dot spacings, where the display areas with different dot spacings need to display different contents, for example, a display area with a smaller dot spacing may display more detailed display contents, and a display area with a larger dot spacing may display less detailed display contents. The shapes of the display areas can be the same or different, and the sizes of the display areas can be the same or different. The shape of each display area can be a polygon or the like.
For example, referring to fig. 1, the led display screen 10 may include three display regions, i.e., a first display region 11, a second display region 12, and a third display region 13, where the first display region 11 is a display region with a first dot pitch, the second display region 12 is a display region with a second dot pitch, and the third display region 13 is a display region with a third dot pitch, the first dot pitch is greater than the third dot pitch, and the third dot pitch is greater than the second dot pitch. The second display area 12 has a smaller dot spacing for displaying images that need to present more detail.
The LED display screen that display device that this embodiment provided includes two at least different dot interval display areas, and send the card to send corresponding display parameter to different display areas through different signalling ports, make each display area show corresponding image, the display device of this embodiment is through setting up the display area of two at least different dot intervals, different display areas can show the content of different details, can satisfy diversified display demand, promote display device's display effect, and this embodiment adopts a sending card can accomplish the sending of the display parameter of the display area of a plurality of different dot intervals, reduce display device's cost.
Optionally, the signal sending port is an internet access.
Specifically, each display area can be connected with a corresponding network port through a network cable, so that the communication connection with the sending card is realized.
Optionally, each of the display areas is connected to at least one signal sending port of the sending card 20, and the sending card 20 is configured to send the display parameters to the corresponding display area through the at least one signal sending port.
Specifically, the display parameters may be received through only one signal transmission port for a display area having a small area. For a display area with a large area, in order to reduce wiring difficulty and increase signal transmission speed, the display area may be connected to two or more signal sending ports, and different areas in the display area receive corresponding display parameters through different signal sending ports.
Illustratively, referring to fig. 1, the first display area 11 and the second display area 12 are small in size and may be connected to one signal transmission port of the transmission card 20 per one display area. The third display area 13 has a larger size, and the third display area 13 may be connected to two signal transmission ports, and the two signal transmission ports respectively transmit display parameters to different areas of the third display area 13.
Optionally, the sending card 20 is configured to receive at least two paths of video signals, combine the at least two paths of video signals into one frame of image to be displayed according to the positions of the at least two display areas, and determine a display parameter corresponding to each display area according to the image to be displayed and the position and size of each display area, where the image to be displayed includes the display content of each path of video signal.
The image to be displayed is an image required to be displayed by the display screen. The sending card can split the image to be displayed according to the size and the position of each display area to obtain a sub-display image corresponding to each display area, the display parameters can include the sub-display images, the sub-display images are sent to the corresponding display areas, and each display area displays the corresponding sub-display image, so that the image to be displayed is displayed. Exemplarily, fig. 2 is a schematic diagram of an image to be displayed according to an embodiment of the present invention. The transmitting card supports multi-path HDMI video signal input, and to realize a top caption mode (HDMI 1), a normal background display mode (HDMI 2) and a detail presentation mode (HDMI 3), the transmitting card combines 3 paths of HDMI video signal sources into a frame of superimposed image as shown in FIG. 2. The sending card extracts the caption image, the background image and the detail image from the video signal respectively, the detail image which needs to be embodied can be displayed in the second display area 12, and the caption image can be displayed in the first display area 11, so that the sending card splices the data of the caption image and the detail image which replace corresponding positions in the background image into a frame of image to be displayed, wherein the position of the caption image corresponds to the position of the first display area 11, and the position of the detail image corresponds to the position of the second display area 12. Then, the sending card splits the image to be displayed to obtain the sub-display image corresponding to each display area.
Fig. 3 is a perspective view of a display device according to an embodiment of the present invention, and optionally, referring to fig. 3, each display area includes at least one LED box 111:
each LED box body 111 comprises a box body frame 101, an integrated plug-in board 102 and at least two LED unit boards 103, wherein the at least two LED unit boards 103 are detachably arranged on the surface of the box body frame 101, and the integrated plug-in board 102 is arranged in the box body frame 101; the LED unit board 103 is connected with the integrated opposite insertion board 102;
the integrated pair-plug board 102 is used for receiving the display parameters sent by the sending card 20 and controlling the LED unit board 103 to display pictures according to the display parameters.
Specifically, LED unit board 103 detachable is fixed in box frame 101, and the LED unit board 103 of different display areas's point interval is different, can dismantle the replacement as required to the LED unit board 103 of a certain display area, changes the point interval of this display area, and the display device that this embodiment provided can change the point interval of LED display screen as required promptly, realizes the demonstration of different display frames, further satisfies different demonstration demands.
Optionally, the display parameters include display coordinates corresponding to each LED box 111 and sub-display images corresponding to the display area where the LED box 111 is located;
the integrated pair-inserting board 102 is used for acquiring a display signal corresponding to the LED box 111 from the sub-display image according to the display coordinate, and controlling the at least two LED unit boards 103 of the LED box 111 to display according to the display signal.
Specifically, the sending card 20 may send the display coordinates corresponding to each LED box 111 included in each display area and the sub-display image corresponding to the display area to each LED box 111 of the display area, the integrated paired board 102 of the LED boxes 111 receives the sub-display image and the display coordinates corresponding to the LED box 111, obtains corresponding display data from the sub-display image according to the display coordinates, determines a display signal according to the display data, and controls each LED unit board 103 in the LED box 111 to display according to the display signal.
It should be noted that, this embodiment only shows an example of one display parameter by way of example, and does not limit the present invention. In other embodiments, the display parameters may further include a display image corresponding to each box in each display area, and the sending card may sequentially send the display image of each box to the integrated add-drop board of each box.
Optionally, the integrated pair plug-in board comprises a memory; the memory is used for storing display parameters.
Specifically, each LED box receiving card reads back the display parameters from its respective memory when the LED box is powered on and restarted each time, thereby realizing the display of the image to be displayed.
Optionally, fig. 4 is a schematic diagram of a box frame and an integrated interposer provided in an embodiment of the present invention, fig. 5 is a schematic diagram of a back surface of an LED unit board provided in an embodiment of the present invention, fig. 6 is a schematic diagram of a front surface of an LED unit board provided in an embodiment of the present invention, and referring to fig. 3 to fig. 6, a first magnetic socket 1011 is further disposed in the box frame 101;
a plurality of LED chips 1033 arranged in an array are arranged on one side of the LED unit board 103, and the side of the LED unit board 103 far away from the LED chips 1033 comprises an integrated socket 1031 and a second magnetic socket 1032;
the LED unit board 103 is connected to the integrated opposite socket 1031 and the integrated opposite socket 102, and detachably disposed on the surface of the box frame 101 through the second magnetic socket 1032 and the first magnetic socket 1011.
Specifically, all the LED unit boards 103 except the lamp surface LED chips 1033 are sparse and have the same back structure, and the integrated sockets 1031 and the second magnetic sockets 1032 which are the same in position are also designed, so that the LED unit boards 103 with different point distances can be placed at different positions as required, and the replacement is faster.
Further, the integrated mating board 102 is provided at a surface thereof with a socket 1021 corresponding to the integrated mating socket 1031.
Alternatively, the LED chips 1033 of the LED unit panels 103 of different display areas are different in density.
Specifically, the LED chips 1033 include at least three different light emission colors, for example, the LED chips 1033 include a red LED chip, a green LED chip, and a blue LED chip. A red LED chip, a green LED chip and a blue LED chip form a light-emitting pixel point. The density of the LED chips 1033 can be set according to the dot pitch requirements of the display screen.
The embodiment also provides a control method of the LED display screen, which comprises the following steps: the sending card sends corresponding display parameters to different display areas through different signal sending ports, so that each display area displays a corresponding image.
The control method of the LED display screen that this embodiment provided sends the card and sends corresponding display parameter to the display area of different dot intervals through different signal transmission ports, make each display area show corresponding image, through setting up the display area of two at least different dot intervals, different display areas can show the content of different details, can satisfy diversified display demand, promote display device's display effect, and this embodiment adopts a sending card can accomplish the sending of the display parameter of the display area of a plurality of different dot intervals, display device's cost is reduced.
The control method of the LED display screen provided in this embodiment and the display device provided in any embodiment of the present invention belong to the same inventive concept, and have corresponding beneficial effects, and detailed technical details in this embodiment are not shown in the display device provided in any embodiment of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. A display device, comprising:
an LED display screen and a sending card; the LED display screen comprises at least two display areas, wherein the dot spacing of the at least two display areas is different;
the transmitting card is used for transmitting corresponding display parameters to different display areas through different signal transmitting ports so that each display area displays a corresponding image.
2. The display device according to claim 1, wherein:
each display area is connected with at least one signal sending port of the sending card, and the sending card is used for sending the display parameters to the corresponding display area through the at least one signal sending port.
3. The display device according to claim 1, wherein:
the sending card is used for receiving at least two paths of video signals, combining the at least two paths of video signals into a frame of image to be displayed according to the positions of at least two display areas, and determining display parameters corresponding to each display area according to the position and the size of the image to be displayed and each display area, wherein the image to be displayed comprises the display content of each path of video signal.
4. The display device according to claim 1, wherein:
each display area comprises at least one LED box body:
each LED box body comprises a box body frame, an integrated paired inserting plate and at least two LED unit plates, wherein the at least two LED unit plates are detachably arranged on the surface of the box body frame, and the integrated paired inserting plates are arranged in the box body frame; the LED unit board is connected with the integrated opposite insertion board;
the integrated plug-in board is used for receiving the display parameters sent by the sending card and controlling the LED unit board to display pictures according to the display parameters.
5. The display device according to claim 4, wherein:
the display parameters comprise display coordinates corresponding to each LED box body and sub-display images corresponding to a display area where the LED box body is located;
the integrated paired plug-in boards are used for acquiring display signals corresponding to the LED box bodies from the sub-display images according to the display coordinates and controlling at least two LED unit boards of the LED box bodies to display according to the display signals.
6. The display device according to claim 5, wherein:
the integrated pair-plug board comprises a memory;
the memory is used for storing the display parameters.
7. The display device according to claim 4, wherein:
a first magnetic suction seat is also arranged in the box body frame;
a plurality of LED chips arranged in an array are arranged on one side of the LED unit plate, and an integrated socket and a second magnetic suction seat are arranged on one side of the LED unit plate, which is far away from the LED chips;
the LED unit board is connected with the integrated plug board through the integrated paired sockets, and the second magnetic suction seat and the first magnetic suction seat are detachably arranged on the surface of the box body frame.
8. The display device according to claim 7, wherein:
the LED chip densities of the LED unit boards in different display areas are different.
9. The display device according to claim 1, wherein:
the signal sending port is an internet access.
10. A control method of an LED display screen is characterized in that:
the LED display screen comprises at least two display areas, and the dot spacing of the at least two display areas is different;
the method comprises the following steps: the sending card sends corresponding display parameters to different display areas through different signal sending ports, so that each display area displays corresponding images.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110341309.7A CN115148113A (en) | 2021-03-30 | 2021-03-30 | Display device and control method of LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110341309.7A CN115148113A (en) | 2021-03-30 | 2021-03-30 | Display device and control method of LED display screen |
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| CN115148113A true CN115148113A (en) | 2022-10-04 |
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| CN202110341309.7A Pending CN115148113A (en) | 2021-03-30 | 2021-03-30 | Display device and control method of LED display screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116884341A (en) * | 2023-09-06 | 2023-10-13 | 长春希达电子技术有限公司 | Wall-mounted LED display device and method |
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