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Display control method, device and system

A display control method and display control technology, which can be applied to static indicators, instruments, etc., can solve the problems of low gray segment information loss, insufficient display accuracy, and adverse effects on the display quality of the LED display, and achieve the improvement of display bit width, The effect of improving display accuracy

Active Publication Date: 2022-03-22
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the influence of ambient light, the outdoor LED display will not have too much impact on the low-gray picture display, but when the LED display is displayed in an indoor environment, in order to ensure the contrast of the picture and keep the image details from being lost, the LED display Due to the lack of display accuracy, the display screen often leads to the combination and loss of low-gray segment information, which has a negative impact on the display quality of the LED display screen.

Method used

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  • Display control method, device and system
  • Display control method, device and system
  • Display control method, device and system

Examples

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no. 1 example

[0054] like figure 2 As shown, a display control method provided by the first embodiment of the present invention includes steps:

[0055] S22: Read the cached image frames multiple times to sequentially obtain multiple image frames to be processed;

[0056] S24: Using a plurality of different dithering templates to perform spatial dithering processing on the plurality of image frames to be processed respectively, so as to sequentially obtain a plurality of processed image frames, wherein the plurality of different dithering templates have the same number of elements, and Multiple element values ​​at each same element position are different from each other;

[0057] S26: Generate a plurality of image display signals based on the plurality of processed image frames in sequence, so as to drive and control the LED display screen for image display.

[0058] This embodiment is different from the above-mentioned related technical solutions that use fixed dithering templates for s...

no. 2 example

[0085] like Figure 7 As shown, a display control device 70 provided by the second embodiment of the present invention includes: an image frame acquisition module 72 , a dithering processing module 74 and a signal generation module 76 .

[0086] Wherein, the image frame acquisition module 72 is for example used to read the cached image frames multiple times to sequentially obtain a plurality of image frames to be processed; Multiple image frames to be processed are subjected to spatial dithering processing to sequentially obtain multiple processed image frames, wherein the multiple different dithering templates have the same number of elements, and the multiple element values ​​at each same element position are different from each other. same; and the signal generation module 76 is used, for example, to sequentially generate a plurality of image display signals based on the plurality of processed image frames, so as to drive and control the LED display screen for image display...

no. 3 example

[0095] see Figure 11 , a display control system 11 provided by the third embodiment of the present invention includes: a display controller 111 and an LED display screen 113 . Wherein, the LED display screen 113 includes a plurality of display pixels 1130, and each of the display pixels 1130 includes a plurality of LEDs such as red LED chips, green LED chips and blue LED chips; arranged.

[0096] Based on the above, the display controller 111 is electrically connected to the LED display screen 113, which for example includes a programmable logic device 1111 and a volatile memory 1113 electrically connected to the programmable logic device 1111, wherein the programmable logic device 1111 is used to execute the display control method described in the aforementioned first embodiment, and its specific function details can refer to the relevant description of the aforementioned first embodiment, and will not be repeated here. Furthermore, the volatile memory 1113 is used to stor...

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Abstract

Embodiments of the present invention relate to a display control method, device and system. The method includes, for example: reading buffered image frames multiple times to sequentially obtain a plurality of image frames to be processed; performing spatial dithering processing on the plurality of image frames to be processed by using a plurality of different dithering templates to sequentially obtain multiple image frames to be processed. processed image frames, wherein the plurality of different dithering templates have the same number of elements, and the values ​​of the plurality of elements at each same element position are different from each other; and sequentially generate a plurality of processed image frames based on the plurality of processed image frames A picture display signal is used to drive and control the LED display screen for picture display. The embodiment of the present invention utilizes a plurality of different dithering templates to perform spatial dithering processing on multiple image frames to be processed respectively, which is a technical scheme of alternating dithering templates between frames, which can improve the display accuracy of the LED display screen at the same time. Improve the display quality of the entire screen.

Description

technical field [0001] The present invention relates to the technical field of image processing and display control, in particular to a display control method, a display control device and a display control system. Background technique [0002] With the development of LED (Light-Emitting Diode, light-emitting diode) display technology, LED display screens are currently being applied to various fields due to their advantages of low cost, low power consumption, high visibility, and free assembly. At the same time, with the popularization of LED display applications, people have higher and higher requirements for its display quality. Therefore, how to improve the display quality of LED display screens has become a research hotspot in this field. [0003] One of the more thorny problems that currently exists is the display accuracy of the LED display, especially for the effective representation of low-gray images. There is still a lot of room for improvement. Due to the influen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/32
CPCG09G3/32G09G2320/0233
Inventor 陈鹏飞杨城
Owner XIAN NOVASTAR TECH