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LED lamp panel, tail end terminating module, LED control card and LED display system

A technology of LED control card and LED light board, used in static indicators, instruments, etc., can solve the problem that the data return signal line affects the load and performance, and achieve the effect of performance optimization

Active Publication Date: 2014-08-13
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, in order to solve the problem that too many data return signal lines in the prior art affect the loading and performance, the present invention provides an LED lamp board, an end terminal module, an LED control card and an LED display system

Method used

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  • LED lamp panel, tail end terminating module, LED control card and LED display system
  • LED lamp panel, tail end terminating module, LED control card and LED display system
  • LED lamp panel, tail end terminating module, LED control card and LED display system

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Embodiment Construction

[0026] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] figure 1 It is a schematic structural diagram of an LED display system according to an embodiment of the present invention. like figure 1 As shown, the LED display system 10 includes an LED control card 11 , a plurality of LED lamp panel strings 13 , and a plurality of terminal modules 17 . Wherein, a single LED lamp panel string 13 includes, for example, two LED lamp panel strings 15 a and 15 b cascaded to the LED control card 11 , and each LED lamp panel string 13 is configured with an end terminal module 17 . It should be noted that the LED lamp panels 15a and 15b may have the same circuit structure, and the difference in labels is mainly used to indicate that they are in different positions in the LED lamp panel string 13;...

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PUM

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Abstract

The invention relates to an LED lamp panel, a tail end terminating module, an LED control card and an LED display system. A channel selection circuit is arranged on the LED lamp panel, a data storing, reading, writing, inputting and outputting circuit is arranged on the tail end terminating module, an input and output marking signal is generated by the LED control card in a matched mode to control the functions of a data wire on the LED lamp panel at different moments, and time multiplexing of the data wire is achieved. Thus, return of detected data is achieved under the condition of not influencing load of the LED control card, performance of the LED control card is optimized, the performance index of the LED control card is greatly improved, and meanwhile the detection function of the lamp panel is achieved.

Description

technical field [0001] The invention relates to the technical field of display control, in particular to an LED lamp board, an end terminal module, an LED control card and an LED display system. Background technique [0002] LED (Light Emitting Diode, Light Emitting Diode) display system, as a new type of display technology, is gradually accepted by the market due to its advantages of energy saving, environmental protection, and high brightness, so it is widely used in urban media, urban transportation and other fields. [0003] Among them, the LED display system in the traffic field is generally used to display information such as road names, traffic conditions, and speed limits. Every LED light point on the LED display may fail. When the number and location of LED light point failures reach a certain level , it will affect the display of information, and in serious cases, it will convey wrong information. Therefore, how to enable the LED display system in the traffic fiel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32
Inventor 樊光辉宗靖国
Owner XIAN NOVASTAR TECH
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