Unlock instant, AI-driven research and patent intelligence for your innovation.

LED display system and control method

A technology of an LED display screen and a control method, which is applied to closed-circuit television systems, static indicators, cathode ray tube indicators, etc., can solve the problems of inconvenient direct connection, long distance, and difficulty in increasing download operation workload and maintenance.

Inactive Publication Date: 2015-11-25
JIASHAN YONGNING PLASTICS
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each cabinet is connected and fixed with an LED display controller 1 (usually a programmable logic device, such as FPGA), and the controller 1 performs display control on the cabinet 11; the disadvantage of this scheme is: because the LED display controller 1. The hardware of 1 adopts programmable logic devices. Before the system works, it needs to connect the computer through the download cable to download the hardware program to the device. However, in practical applications, the distance between the controllers may be relatively long or the installation position of the LED screen is not easy to climb. , so as to increase the workload of the download operation and the corresponding maintenance difficulty; in addition, the connection lines required between the sub-controllers of the program and the interfaces on the sub-controllers (3, 1 input, 1 horizontal output, 1 vertical output) more, increasing the cost and complexity of the system
Each cabinet 11 is connected and fixed with an LED display controller 1 (usually a programmable logic device, such as FPGA), and the controller 1 performs display control on the cabinet 11; In the way of connecting the cabinets in series, when the cabinets 11 of the LED display are installed and fixed, in order to ensure the correctness of the display content of the entire display, the connection sequence between the cabinets 11 is also fixed. However, in the actual situation Adjacent boxes may be inconvenient to connect directly due to obstacles in the middle, which increases the difficulty of construction

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • LED display system and control method
  • LED display system and control method
  • LED display system and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] like image 3 , Figure 4 As shown, the present invention firstly provides an LED display screen system, which includes: LED screen body signal generating device 12, several sub-controllers 10 to 10N cascaded in sequence, and several display screens correspondingly connected to the above-mentioned sub-controllers. module 11 to display module 11N.

[0036] The LED screen signal generating device 12 is connected with the sub-controller 10 connected in cascade series to the sub-controller 10N starting end, that is, the first sub-controller 10, and the spatial position of each sub-controller is obtained through manual observation, such as sub-controller Which row and which column is located in the display box, and then input to the LED screen signal generating device 12, the LED screen signal generating device 12 generates the position information data of the sub-controller 10 to the sub-controller 10N; or, through the program Input the spatial position of each sub-contro...

Embodiment 2

[0041] like Figure 5 As shown, the entire display screen is divided into 6 areas from A to F, and the corresponding cabinets are cabinet 111, cabinet 1113, cabinet 1115, cabinet 1111, cabinet 1112, and cabinet 1114, corresponding to each sub-controller Sub-controller 10, sub-controller 103, sub-controller 105, sub-controller 101, sub-controller 102, sub-controller 104, the corresponding display modules are display module 11, display module 1103, display module 1105, display Module 1101 , display module 1102 , display module 1104 . Assuming that it is not possible to connect directly between boxes 111 and 1113, and between 1113 and 1115 due to installation site reasons, the cascading box 1111, box 1112, box 1113, box 1114, The sub-controller 10 to sub-controller 105 in the cabinet 1115 complete the construction of the LED display system. Similarly, if any other cabinets cannot be directly connected due to construction site reasons, other forms of cascading methods can also be...

Embodiment 3

[0047] The present invention also provides a method for controlling the above-mentioned LED display screen, which is applied to the LED display screen systems of the above-mentioned examples, and the method includes the following steps

[0048] Step 1: Generate the position information data of each sub-controller connected in series;

[0049] Step 2: transmitting the position information data to each of the sub-controllers;

[0050] Step 3: each of the sub-controllers respectively stores the position information data in its storage module;

[0051] Step 4: According to the spatial position of each of the sub-controllers, generate the serial display data of each light point of the LED display screen and send it to each of the sub-controllers; wherein, the serial display data includes a position identification, The location identifier is in one-to-one correspondence with the location information data;

[0052] Step 5: Each display control module reads the corresponding positio...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an LED display screen system which is characterized by comprising an LED screen signal generating device, a plurality of sub-controllers and a plurality of display modules, wherein, the sub-controllers comprise a cascade input module, a cascade output module, a storage module and a display control module, the sub-controllers in a cascade system have a small quantity of interfaces, and the sub-controllers can be cascaded in a random order.

Description

technical field [0001] The invention relates to the field of LED display screens, in particular to a cascade structure and control method of an LED display screen system. Background technique [0002] In the current field of LED display systems, the following two screen signal connection schemes are usually used: [0003] Option 1: If figure 1 As shown, the LED display system is composed of two parts: the LED screen signal generator 12 (usually a computer) and the LED screen 111. The LED screen signal generator 12 sends the LED screen display signal to the LED screen 111 through the signal line. . The LED screen 111 is formed by splicing several LED cabinets 11 according to a certain positional relationship, and the LED cabinets 11 are cascaded through signal lines in horizontal and vertical directions. Each cabinet is connected and fixed with an LED display controller 1 (usually a programmable logic device, such as FPGA), and the controller 1 performs display control on ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18G09G3/32G09G5/38
Inventor 伍更新邵寅亮张劲公培森
Owner JIASHAN YONGNING PLASTICS