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Long led screen

A technology of LED screens and strips, which is applied to static indicators, instruments, etc., can solve the problem that the load height exceeds customer requirements, and achieve the effect of avoiding excessively long cables and reducing signal attenuation

Active Publication Date: 2019-05-17
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the balance of comprehensive cost and performance, the control card of the door strip LED screen will always have a bottleneck in the loading length. Once the user needs a longer loading capacity, the door strip LED screen does not support cascade control. The control card of the screen will appear powerless and cannot meet the user's requirements, but it may exceed the customer's requirements in terms of loading height

Method used

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Embodiment Construction

[0025] 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.

[0026] As far as the long LED screen at the door is concerned, for the control card of the microprocessor + programmable logic device architecture such as ARM+FPGA architecture, the wiring table of each unit board is calculated by the host computer and sent to ARM, and then sent to ARM by ARM. FPGA, or ARM calculates the routing table according to the parameters sent by the host computer, and then sends it to FPGA by ARM. The image data sent by the ARM to the FPGA is not converted by the routing table, that is, the original image data. After the FPGA obtains the original image data, it outputs the image data to each unit board according to the mapping sequence of the routing table. However, in this embodiment, multiple unit boards in t...

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Abstract

The invention provides a long strip LED screen. The screen comprises a control card and multiple unit plates. The unit plates comprise multiple first unit plates and multiple second unit plates. The first unit plates are connected to the control card in a first cascading manner so as to form at least one string of first unit plates. The second unit plates are connected to the control card in a second cascading manner so as to form at least one string of second unit plates. The cascading direction of the first cascading manner is opposite to that of the second cascading manner. The at least one string of first unit plates and the at least one string of second unit plates are spliced together into a long strip LED screen body. Thus, the on-load length of the control card of the long strip LED screen can be increased.

Description

technical field [0001] The invention relates to the technical field of LED display applications, in particular to a strip LED screen. 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, and thus is widely used in urban media, urban transportation and other fields. [0003] In recent years, more and more shop fronts prefer to use long LED screens to promote the products of the shop. Different from ordinary display screens that play videos, the long strip LED screen at the door can also be seen from the name. It has relatively high requirements for length and low requirements for height. Usually, the aspect ratio can reach 64:1 or even higher. , while the aspect ratio of ordinary display screens is usually only a common aspect ratio such as 4:3 or 16:9. [0004] The cascading...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/32
CPCG09G3/32
Inventor 苟超刘延
Owner XIAN NOVASTAR TECH
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