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Image data transmission method and device, display controller and display screen control system

A display control and display controller technology, applied to static indicators, instruments, etc., can solve problems such as network port bandwidth waste, and achieve the effect of solving free routing restrictions

Pending Publication Date: 2021-08-17
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To sum up, the current LED display control system requires the load of each network port to be calculated according to the rectangular frame formed by the load topology of the module controller. Therefore, for LED special-shaped screens, the existing technical solutions will cause Network port bandwidth waste

Method used

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  • Image data transmission method and device, display controller and display screen control system
  • Image data transmission method and device, display controller and display screen control system
  • Image data transmission method and device, display controller and display screen control system

Examples

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no. 1 example

[0030] The first embodiment of the present invention provides an image data transmission method. The image data transmission method is, for example, applicable to a display controller of a display screen control system, and the display screen control system further includes a plurality of cascaded module controllers electrically connected to the display controller; the image data The transmission method includes: determining one of the plurality of module controllers as a target module controller, and sending to the Multiple module controllers send target image line data packets, the target image line data packets include the identification information of the target module controller and line packet data, and the data size of the line packet data is equal to the loading area width.

[0031] In a specific implementation of this embodiment, the information about the loading area coordinates, the height of the loading area and the width of the loading area of ​​the target module...

no. 2 example

[0052] like Figure 8 As shown, the second embodiment of the present invention provides an image data transmission device 600 . The image data transmission device 600 is suitable for a display controller of a display screen control system. The display screen control system also includes a plurality of cascaded module controllers electrically connected to the display controller. The image data transmission device It is used to implement the image data transmission method described in the first embodiment.

[0053] Specifically, the image data transmission device 600 may, for example, include a data packet sending module 601, configured to determine that one of the plurality of module controllers is the target module controller, and according to one of the plurality of module controllers The coordinate information of the loading area, the height of the loading area and the width of the loading area of ​​the target module controllers send the target image line data packet to the...

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Abstract

The embodiment of the invention discloses an image data transmission method, an image data transmission device, a display controller, a display screen control system and an LED display system. The image data transmission method is suitable for a display controller of a display screen control system, and the display screen control system further comprises a plurality of cascaded module controllers electrically connected with the display controller. The method comprises the following steps: determining one of the plurality of module controllers as a target module controller, and sending a target image line data packet to the plurality of module controllers according to load region coordinate information, load region height and load region width of the target module controller, the target image line data packet comprises recognition information and line packet data of the target module controller, and the data size of the line packet data is equal to the width of the loading region. The embodiment of the invention can solve the problem of bandwidth waste in the prior art.

Description

technical field [0001] The invention relates to the technical field of display control, in particular to an image data transmission method, an image data transmission device, a display controller, a display screen control system and an LED display system. Background technique [0002] In the field of LED display, an LED display control system generally includes a display controller (eg, a sending card) and a module controller (eg, a receiving card) electrically connected via an Ethernet interface of the display controller. The maximum load of the network port of the display controller is generally the corresponding number of pixels calculated according to the network port bandwidth (eg, 1G bandwidth) of the display controller equivalently. For example, the number of pixels corresponding to 1G bandwidth is 650,000. [0003] In practical applications, under the condition that the maximum loading pixels of the network port are certain, the loading capacity of the module control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/32
CPCG09G3/20G09G3/32G09G2370/00
Inventor 吕严冰韦桂锋
Owner XIAN NOVASTAR TECH
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