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SJ/T 11624-2016: Specifications of LED devices for LED displays Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsSJ/T 11624-2016: Specifications of LED devices for LED displays---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/SJT11624-2016SJ ELECTRONIC INDUSTRY STANDARD ICS 31.120 L 63 Record No.. Specifications of LED Devices for LED Displays Issued on. APRIL 05, 2016 Implemented on. SEPTEMBER 01, 2016 Issued by. Ministry of Industry and Information Technology of PRC Table of ContentsForeword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 5 4 Classification... 5 5 Requirements... 6 6 Inspection Methods... 8 7 Inspection Rules... 11 8 Additional Instructions... 16 Appendix A (Normative) Electrical Endurance Test... 18 Appendix B (Normative) Test on Resistance to Welding Heat – Simulated Reflow Soldering... 20ForewordThis Standard was drafted as per the rules specified in GB/T 1.1-2009. Please note some contents of this document may involve the patents. The issuing agency of this document shall not assume the responsibility to identify these patents. This Specification shall be under the jurisdiction of China Electronics Standardization Institute, Ministry of Industry and Information Technology. Drafting organizations of this Specification. National Testing Centre for LED Application Products; Xiamen Products Quality Supervision & Inspection Institute; Shanghai Sansi Technology Co., Ltd.; and Shenzhen Liantronics Co., Ltd. Chief drafting staffs of this Standard. Ge Lihong, Shi Yuan, Fu Nuoyi, Liu Yiqing, Cheng Deshi, Xiang Jianyong, Zhuang Qingrui, Zeng Xiangyao, Chen Zhizhong, Cai Peikai, and Chen Lingxiao. Specifications of LED Devices for LED Displays1 ScopeThis Specification specifies the performance requirements, inspection methods, inspection rules, etc. of light-emitting diode (hereinafter referred to as "LED") used in light-emitting diode (LED) displays. This Specification is applicable to LED used in indoor and outdoor LED displays.2 Normative ReferencesThe following documents are essential to the application of 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. GB/T 2423.3 Environmental Testing for Electric and Electronic Products - Part 2. Testing Method Test Cab. Damp Heat Steady State GB/T 4589.1-2006 Semiconductor Devices - Part 10.Generic Specification for Discrete Devices and Integrated Circuits GB/T 4937-1995 Mechanical and Climatic Test Methods for Semiconductor Devices GB/T 11499-2001 Letter Symbols for Discrete Semiconductor Devices GB/T 12565-1990 Semiconductor Devices Sectional Specification for Optoelectronic Devices GB/T 15651 Semiconductor Devices Discrete Devices and Integrated Circuits Part 5.Optoelectronic Devices3 Terms and DefinitionsFor the purpose of this Specification, the terms and definitions given in GB/T 11499- 2001, GB/T 15651, SJ/T 11141-2012 and SJ/T 11395-2009 apply. 3.1 Failure of appearance It refers to the phenomenon of foreign matter, pollution, corrosion, cracks, bubbles, peeling, deformation, or damage that affect the photoelectric characteristics of the LED.4 Classification4.1 Encapsulation method LEDs are divided into the following categories according to the encapsulation method. 4.2 Use environment LEDs are divided into the following categories according to the use environment of the LED display.5 Requirements5.1 Appearance Under the specified power-on and non-power-on conditions of LED, the failure of appearance shall not occur; the lead-out ends shall not fall off or loose; and there shall be no obvious corrosion or discoloration. 5.2 Overall dimension The overall dimension of the LED shall comply with the provisions of LED product specification. 5.4 Photoelectric characteristics The photoelectric characteristics of the LED are shown in Table 2; and the specific values are specified in the LED product specifications. 5.5 Electrostatic discharge sensitivity The human body model ESD withstand voltage of the LED should comply with the relevant levels in SJ/T 11400-2009, and 1B, 1C, and 2 are recommended. 5.7 Environmental adaptability According to the classification in Clause 4, choose different environmental adaptability test conditions. According to the requirements in Tables 5, 6, and 7, LEDs are divided into three Classes. A, B, and C through different test conditions.6 Inspection Methods6.1 Inspection conditions 6.1.1 Test conditions 6.4.5 Dominant wavelength It shall be carried out according to the Method-4003 in SJ/T 11394-2009. 6.4.6 Chromaticity coordinate It shall be carried out according to the Method-4001/4002 in SJ/T 11394-2009. 6.5 Electrostatic discharge sensitivity The human body mode shall be carried out according to the Method-6001 in SJ/T 11394-2009. 6.7 Environmental adaptability It shall be carried out according to the provisions in Tables 5, 6 and 7.7 Inspection Rules7.1 General The quality assessment procedure of LED shall comply with the provisions of GB/T 4589.1-2006, GB/T 12565-1990 and this Specification. The quality assessment category is Class-II. 7.3 Inspection for identification The inspection for identification shall be carried out in accordance with the inspection items, inspection requirements and sampling plan specified in Tables 4, 5 and 6. 7.4 Inspection for quality consistency 7.4.1 General The inspection for quality consistency shall consist of the inspections in Groups A, B and C. 7.6 Inspection in Group C (lot by lot) The surface-mounted LED test samples shall be tested in accordance with the test sequence specified in Table 6; and the various tests of Group C shall be performed in sequence.8 Additional Instructions8.1 The product specification shall give the relationship curve between forward voltage and forward current. 8.3 The product specification shall provide the relationship curve of the average luminous intensity changing with the ambient temperature. 8.4 The product specification shall give a temperature chart for reflow soldering or wave soldering. 8.5 Other characteristic curves, if required. SJ/T 11624-2016 SJ ELECTRONIC INDUSTRY STANDARD ICS 31.120 L 63 Record No.. Specifications of LED Devices for LED Displays Issued on. APRIL 05, 2016 Implemented on. SEPTEMBER 01, 2016 Issued by. Ministry of Industry and Information Technology of PRCTable of ContentsForeword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 5 4 Classification... 5 5 Requirements... 6 6 Inspection Methods... 8 7 Inspection Rules... 11 8 Additional Instructions... 16 Appendix A (Normative) Electrical Endurance Test... 18 Appendix B (Normative) Test on Resistance to Welding Heat – Simulated Reflow Soldering... 20ForewordThis Standard was drafted as per the rules specified in GB/T 1.1-2009. Please note some contents of this document may involve the patents. The issuing agency of this document shall not assume the responsibility to identify these patents. This Specification shall be under the jurisdiction of China Electronics Standardization Institute, Ministry of Industry and Information Technology. Drafting organizations of this Specification. National Testing Centre for LED Application Products; Xiamen Products Quality Supervision & Inspection Institute; Shanghai Sansi Technology Co., Ltd.; and Shenzhen Liantronics Co., Ltd. Chief drafting staffs of this Standard. Ge Lihong, Shi Yuan, Fu Nuoyi, Liu Yiqing, Cheng Deshi, Xiang Jianyong, Zhuang Qingrui, Zeng Xiangyao, Chen Zhizhong, Cai Peikai, and Chen Lingxiao. Specifications of LED Devices for LED Displays1 ScopeThis Specification specifies the performance requirements, inspection methods, inspection rules, etc. of light-emitting diode (hereinafter referred to as "LED") used in light-emitting diode (LED) displays. This Specification is applicable to LED used in indoor and outdoor LED displays.2 Normative ReferencesThe following documents are essential to the application of 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. GB/T 2423.3 Environmental Testing for Electric and Electronic Products - Part 2. Testing Method Test Cab. Damp Heat Steady State GB/T 4589.1-2006 Semiconductor Devices - Part 10.Generic Specification for Discrete Devices and Integrated Circuits GB/T 4937-1995 Mechanical and Climatic Test Methods for Semiconductor Devices GB/T 11499-2001 Letter Symbols for Discrete Semiconductor Devices GB/T 12565-1990 Semiconductor Devices Sectional Specification for Optoelectronic Devices GB/T 15651 Semiconductor Devices Discrete Devices and Integrated Circuits Part 5.Optoelectronic Devices3 Terms and DefinitionsFor the purpose of this Specification, the terms and definitions given in GB/T 11499- 2001, GB/T 15651, SJ/T 11141-2012 and SJ/T 11395-2009 apply. 3.1 Failure of appearance It refers to the phenomenon of foreign matter, pollution, corrosion, cracks, bubbles, peeling, deformation, or damage that affect the photoelectric characteristics of the LED.4 Classification4.1 Encapsulation method LEDs are divided into the following categories according to the encapsulation method. 4.2 Use environment LEDs are divided into the following categories according to the use environment of the LED display.5 Requirements5.1 Appearance Under the specified power-on and non-power-on conditions of LED, the failure of appearance shall not occur; the lead-out ends shall not fall off or loose; and there shall be no obvious corrosion or discoloration. 5.2 Overall dimension The overall dimension of the LED shall comply with the provisions of LED product specification. 5.4 Photoelectric characteristics The photoelectric characteristics of the LED are shown in Table 2; and the specific values are specified in the LED product specifications. 5.5 Electrostatic discharge sensitivity The human body model ESD withstand voltage of the LED should comply with the relevant levels in SJ/T 11400-2009, and 1B, 1C, and 2 are recommended. 5.7 Environmental adaptability According to the classification in Clause 4, choose different environmental adaptability test conditions. According to the requirements in Tables 5, 6, and 7, LEDs are divided into three Classes. A, B, and C through different test conditions.6 Inspection Methods6.1 Inspection conditions 6.1.1 Test conditions 6.4.5 Dominant wavelength It shall be carried out according to the Method-4003 in SJ/T 11394-2009. 6.4.6 Chromaticity coordinate It shall be carried out according to the Method-4001/4002 in SJ/T 11394-2009. 6.5 Electrostatic discharge sensitivity The human body mode shall be carried out according to the Method-6001 in SJ/T 11394-2009. 6.7 Environmental adaptability It shall be carried out according to the provisions in Tables 5, 6 and 7.7 Inspection Rules7.1 General The quality assessment procedure of LED shall comply with the provisions of GB/T 4589.1-2006, GB/T 12565-1990 and this Specification. The quality assessment category is Class-II. 7.3 Inspection for identification The inspection for identification shall be carried out in accordance with the inspection items, inspection requirements and sampling plan specified in Tables 4, 5 and 6. 7.4 Inspection for quality consistency 7.4.1 General The inspection for quality consistency shall consist of the inspections in Groups A, B and C. 7.6 Inspection in Group C (lot by lot) The surface-mounted LED test samples shall be tested in accordance with the test sequence specified in Table 6; and the various tests of Group C shall be performed in sequence.8 Additional Instructions8.1 The product specification shall give the relationship curve between forward voltage and forward current. 8.3 The product specification shall provide the relationship curve of the average luminous intensity changing with the ambient temperature. 8.4 The product specification shall give a temperature chart for reflow soldering or wave soldering. 8.5 Other characteristic curves, if required. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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