SJ/T 11890-2023 PDF English
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Design requirement of energy conservation for LED displays
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SJ/T 11890-2023: PDF in English (SJT 11890-2023) SJ/T 11890-2023
SJ
ELECTRONIC INDUSTRY STANDARD
ICS 31.120
CCS L 53
Design Requirement of Energy Conservation for LED Displays
ISSUED ON. MAY 22, 2023
IMPLEMENTED ON. AUGUST 1, 2023
Issued by. Ministry of Industry and Information Technology of the People’s
Republic of China
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative References... 4
3 Terms and Definitions... 4
4 Typical Compositions of LED Display... 4
5 Design Requirements... 5
5.1 General... 5
5.2 LED main display... 5
5.3 Host computer of LED display and display control system... 6
5.4 Power distribution system of LED display... 6
5.5 Other requirements... 7
Foreword
This document was drafted as per the rules specified in GB/T 1.1-2020 Directives for
Standardization – Part 1.Rules for the Structure and Drafting of Standardizing Documents.
Please note some contents of this Document may involve patents. The issuing agency of this
Document shall not assume the responsibility to identify these patents.
This Document was proposed by and under the jurisdiction of National Technical Committee
on Flat Panel Display Device of Standardization Administration of China (SAC/TC 547).
Chief drafting organizations of this Document. China Electronics Standardization Institute;
Nanjing Lopu Co., Ltd.; TCL Semiconductor Light Source Research Institute; Shanghai Sansi
Technology Co., Ltd.; and China Optics and Optoelectronics Manufactures Association LED
Application Division.
Chief drafting staffs of this Document. Zhao Ying, Liu Xiujuan, Li Nong, Hong Zhen, and
Xiang Jianyong.
Design Requirement of Energy Conservation for LED Displays
1 Scope
This Document specifies the general requirements for typical composition and energy
conservation design of LED display.
This Document is applicable to the design of various types of LED displays.
2 Normative References
The provisions in following documents become the essential provisions of this Document
through reference in this Document. For the dated documents, only the versions with the dates
indicated are applicable to this Document; for the undated documents, only the latest version
(including all the amendments) is applicable to this Document.
SJ/T 11141-2017 Generic specification for LED displays
3 Terms and Definitions
For the purposes of this Document, the terms and definitions given in SJ/T 11141-2017 apply.
4 Typical Compositions of LED Display
The typical compositions of LED displays include. LED main display, host computer of LED
display, LED display control system, power distribution system of LED display (as shown in
Figure 1), etc. Among them.
a) LED main display. as a display terminal, it is composed of several LED display modules
(generally including LED display modules, fans, receiving units, switching power
supplies and chassis, etc.).
b) Host computer of LED display. as a platform for video signal source, control signal source
and arrangement of various programs, it generally includes LED display broadcast
control software and computers.
c) LED display control system. as the processing center of the video signal source, it
generally includes components such as sending, receiving and transmission media. The
sending unit is generally of two types. external and built-in; the receiving unit is generally
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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