Lisun Group
Optical Instrument
  • Industry Knowledge
  • Lisun Group Events
  • About Products
You are here: Home / LEDs Test Method: The Electrical Characteristics Testing Methods

LEDs Test Method: The Electrical Characteristics Testing Methods

By Jacky on January 16, 2012

a)1000 type: The electrical characteristics testing methods

–Method 1001: forward voltage

–Method 1002: reverse voltage

–Method 1003: reverse current

–Method 1004: total capacitance

b)2000 type: Optical characteristics testing methods

–Method 2001: average LED intensity

–Method 2002: half intensity angle and deviation angle

–Method 2003: luminous flux and luminous efficiency

–Method 2004: radiation flux and radiation efficiency

–Method 2005: peak emission wavelength, spectral radiant bandwidth and spectral power distribution

c)3000 type: Optical characteristics testing methods

–Method 3001: switching time

1 1000 type: electrical characteristics testing methods

1.1 Method 1001: forward voltage

1.1.1 Purpose

To test the voltage drop generated between the two electrodes when LED device is under the prescribed forward working current.

1.1.2 Test chart

Picture 3 method 1001 testing pattern

D—The testing LED device;

G–Constant current source;

A—Ampere meter;

V–Voltmeter。

1.1.3 Test procedure

a)Connect the test system according to the principle as shown in figure 3 and make the instrument preheating.

b)Adjust the constant current source and make the reading of the ampere meter is the rated value. Then the reading in the DC voltmeter is the forward voltage of the device under test.

1.1.4 Rated conditions

Environment or base temperature

Supply voltage

Forward bias current (Bias Current Source)

1.2 Method 1002:Reverse voltage

1.2.1 Objective

To test the reverse voltage generated between the two electrodes when the reverse current through LED device is the rated value.

1.2.2 Test chart

Picture 4 Method 1002: test chart

D–LED device under test

G—Voltage-stabilized source

A–Ampere meter

V–Voltmeter

1.2.3 Test Procedure

a) Connect the test system according to the principle of picture 4,and preheat the instrument.

b) Adjust the voltage-stabilized source to make the reading of ampere meter is the rated value, then the reading of the DC voltmeter is the reverse voltage of the measured device.

1.2.4 Rated Condition

Environment or base temperature

Power supply voltage

Reverse current

1.3 Method 1003:Reverse current

1.3.1 Objective

To test the reverse current caused by exerting the rated reverse voltage on the measured LED.

1.3.2 Test Chart

Picture 5 Method 1003: test chart

D–The measured LED device

G– Voltage-stabilized source

A–Ampere meter

V—Voltmeter

1.3.3 Test Procedure

a)Connect the test system according to the principle of picture 5,and preheat the instrument.

b)Adjust the voltage-stabilized source to make the reading of voltmeter is the rated value, then the reading of the DC ammeter is the reverse current of the measured device.

1.3.4 Rated Condition

Environment or base temperature

Power supply voltage

Reverse current

1.4 Method 1004:Total capacitance

1.4.1 Objective

Test the capacitance of the two ends of the measured device when exerting the rated forward bias and the signal of the assigned frequency.

1.4.2 Test Chart

Picture 6 Method 1004 test chart

D–The measured LED device

C0–Isolation capacitance

A–Ampere meter

V–Voltmeter

1.4.3 Test Procedure

a)Connect the test system according to the principle of picture 6,and preheat the instrument.

b)Adjust the voltage-stabilized source and capacitance instrument, separately exert the prescriptive forward bias and frequency signal on the measured LED.

Take away the capacitance C0 equivalence from the reading of the capacitance instrument index plate; the total capacitance of the measured LED device will be got.

1.4.4 Rated Condition

Environment or base temperature

Forward bias voltage

Prescribed frequency signal provided by the capacitance instrument

About Lisun Group:

Lead in CFL and LED Tester. Click to our product lists:

Goniophotometer
Spectroradiometer
Integrating Sphere
Colorimeter and Photometer
LED Test Instruments
CFL Testing Instruments
EMC testing
Electronic Ballast Tester
Equipments for Testing Electronic components
Electrical Safety Tester
Environmental Chamber
AC and DC power supply
Spectrophotometer

Related posts:

  1. LEDs Test Method: Light Characteristics Measuring Methods
  2. LEDs Test Method: Photoelectric Characteristics Testing Method – Switching Time
  3. Lisun LED Test Solution and Measuring Method Part1: Electrical and Optical Characteristics
  4. Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
  5. LEDs Test Method: Values Transfer, Principle and Method
  6. Semiconductor LEDs Test Method
  7. LEDs Test Method: LED Color Measurement 2
  8. LEDs Test Method: Peak Emission Wavelength, Spectral Radiation Bandwidth and Spectrum Power Distribution
  9. Considering the performance parameters comprehensively when we analyse the quality of LED products
  10. LEDs Test Method: Luminous Flux and Luminous Efficiency
  11. LEDs Test Method: LED Color Measurement 1
  12. Lisun LED Test Solution and Measuring Method Part2: Switching, Color, Thermal and Reliability Characteristics
  13. Electronic Load of the LED Power Supply Test
  14. The development of testing standards for LED lamps in China
  15. LEDs Test Method: Radiation Flux and Radiation Efficiency
  16. LEDs Test Method: Basic Radiation Quantity and Photometric Quantity
  17. Input/Outpur protection against abnormal load
  18. Importance of LED Test Methods and the Standard of LED
  19. Maximum Rating and General Requirements of LEDs Test
  20. Distributive Radiation Method for Measuring Ultraviolet Radiation Flux
  21. Testing requirements and advantages of LED lights applied in the automotive market
  22. The Method of Measuring LEDs and LED Luminaires Flicker
  23. LED Quality Evaluation
  24. The Methods and Principles of Applying Interference for LED Lighting Burst Test
  25. Reasons of error for LED Lamp Testing
  26. Reasons of error for LED Lamp Testing
  27. The relationship of LED lighting and power factor
  28. Other countermeasures against the harmonic problem – EMC Testing
  29. Inductive energy storage current solution
  30. The testing rules of lighting product
  31. Seven Elements Effects LED Spectrophotometric and Color Separation
  32. The main points of the LED spectrometer
  33. Testing Rules for Lighting Products Part3: Life Test and Aging Test
  34. The Dimming Method
  35. LED test technology and equipment development research
  36. The Summarize of Luminous Intensity Distribution Test
  37. The Introduction of High Power White LED
  38. Low frequency harmonic current suppression filter solution
  39. Distribution and Radiation Method for Measuring the Ultraviolet Radiation Flux 1: Definition and Characteristics of Ultraviolet Radiation
  40. The present situation of the LED luminaires and reliability life test
  41. With the development of power type LED, more and more people pay attention to the unity of testing method and requirements of instruments
  42. Types & Test Methods of Luminaires Goniophotometer
  43. Advantages and disadvantages for total flux test of Integrating Sphere System
  44. Knowledge About EMC Testing|Part2: Common Electromagnetic Compatibility Corrective Actions
  45. How to Judge the Quality of LED?
  46. EN62471 Light Bio Safety Testing Standards
  47. Distribution and Radiation Method for Measuring the Ultraviolet Radiation Flux 3: The Measuring System
  48. The optical proper of LED has obvious difference in different temperature.
  49. Standards about LED electronic components anti-static test and discharge principle used in the anti-static test
  50. Electronic, electrical products’ intermittent conduction emission of exceeding standard problems and the countermeasures & Electronic electrical products radiation harassment of exceeding-standards and the countermeasures
  51. Interference Way for Group Pules Generator Test
  52. EMC: Inductive Energy Storage Current Solution
  53. Electrical Safety Performance Test(Part 3)
  54. LED Lamps Aging and Life Test
  55. Electrical Safety Performance Test (Part 2)
  56. EMI Test
  57. Electrical Safety Performance Test (Part 1)
  58. LED Test Method
  59. The measurement of LED junction temperature
  60. Have a Look at Apparent power
  61. The countermeasures for the common problems of harmonic current test and rectification measures
  62. To Improve the Luminous Efficiency
  63. What is pre-compliance testing?
  64. Common Quality Problem Analysis and Strategies of LED Chips
  65. Testing Rules for Lighting Products Part2: Low Temperature Test and High Pressure Experiment
  66. The Calculation Methods of LED Lighting Heat Transfer
  67. Characteristics and Applications of Different Type Goniophotometer
  68. The way and special equipment to test LED anti-static ability
  69. The Simplified LED Thermal Design with Innovative Ceramic Method
  70. Distribution and Radiation Method for Measuring the Ultraviolet Radiation Flux 2: Principles
  71. Equivalent Test Between Normal & High Frequency Fluorescent Lamp and LED Tube
  72. The Relationship between LED Heat Dissipation and Junction Temperature
  73. Testing Rules for Lighting Products Part1: High Temperature Test and High Pressure Experiment
  74. Thermal management decides the LED life
  75. EMC (Electromagnetic Compatibility) Testing Problems: Interfering Source Orientation
  76. Input/Output Protection to Prevent Abnormal Load
  77. Flashing Effect of the Light Source and the Measuring Method|Part4: Measurement of Flashing Degree
  78. LED lighting testing standards
  79. LED reliability characteristics
  80. Characteristics and Applications of Different Type Spectrometer
  81. The characteristics of the OBLF spectrometer
  82. Characteristics and Applications of Different Type Spectrometer
  83. LED Spectral Parameters
  84. Lisun Group Products List Part10: Electrical Safety Tester
  85. Common EMC Rectification and Countermeasures
  86. Type A LED tube test
  87. Flashing Effect of the Light Source and the Measuring Method|Part4: The Evaluation Method of Flashing Degrees
  88. The Measuring Method for the White LED Lighting
  89. Main Electromagnetic Interference Source Within the Electronic and Electrical products
  90. 9 Tips to Select LED Products of Good Quality
  91. The situation of LED anti-static ability in the market currently and the characteristics of anti-static of the good quality LED
  92. The Main Electromagnetic Disturbance Source of Electronic and Electrical Products
  93. Flashing Effect of the Light Source and the Measuring Method|Part1: Basic Concept of Flashing
  94. How to prevent LED products aging
  95. The Applications and Reliability Study of High Power White LED
  96. Radiation Harassment Overweight Problems and Countermeasures of Electronic and Electrical Products
  97. Common Problem and Countermeasures of the Harmonic Current Test
  98. The Temperature and Humidity Test Equipment of LED
  99. The Summarize of Luminous Intensity Distribution Test
  100. Surge Generator Design Used for Energy Meter Test
  101. Knowledge About EMC (Electromagnetic Compatibility) Testing|Part1: When EMC Rectification and Countermeasures Are Needed?
  102. Basic Environmental Test for Luminaire
  103. What is the difference between IEC/ EN 60825-1 and IEC/ EN 62471?
  104. Glow wire test
  105. EMC Test– Active PFC Solution
  106. The experiment of IP waterproof test grades
  107. Measurement and Evaluation of the Safety of UV Light Sources|Part3: Principle of Measurement
  108. Flashing Effect of the Light Source and the Measuring Method|Part2: Causes of Light Source Flashing
  109. How to choose LED light source
  110. Introduction of Measurement Standard for Harmonic Current
  111. LISN application
  112. What is the Equipment Calibration
  113. The Rapid Development of LED Application Testing Equipment in China
  114. Ball Pressure Test
  115. The EMC Performance Requirement in Electrical Requirement
  116. EN62471 Photobiological Safety Test
  117. IEC 61000-4-2 ESD Discharge Immunity Test
  118. Pay attention to draw up the measurement standards of LED products
  119. Continuous Conducted Emission Overweight and Intermittent Conduction Emission Overweight Problems and Countermeasures of Electronic and Electrical Products
  120. An improvement method of uniformity of color temperature of White LED
  121. CE test consists of EMC test and LVD safety test
  122. How to select standard sight source and tested samp
  123. EMC Disturbance Source Location
  124. How to choose Integrating Sphere to measuring different lamps
  125. Reliability Study of High-Power White LED 2
  126. Select the LED light source from nine aspects
  127. How to Select Standard Sight Source and Tested Lamp
  128. Reliability Study of High-Power White LED 3
  129. High and Low Temperature Test
  130. LED Power Drive
  131. To improve the anti-static ability and its principle
  132. Surge Generator Design Scheme for Energy Measurement Test
Posted in Industry Knowledge | Tagged 1000 Type, Electrical Characteristics Testing, LED Test
← Previous Next →
Lisun-Group-Logo

Lisun Website

English
中文
Español
Pусский

Contact Us:
Email: Sales@Lisungroup.com
Skype: lisungroup2003
Phone: +86 18917996096

Test Service For Free

Free Service for LED Lamps Testing (IES file report, Light distribution curve, Total lumen, CCT, CRI, etc)

Important Industry Knowledge

CIE Published Latest CIE S025 LED Test Standard
IESNA-LM-80 for LED Lumen Maintenance Test
According to IESNA-LM-79, How to Choose the Integrating Sphere and Goniophotometer?

Archives

  • April 2018 (3)
  • March 2018 (9)
  • February 2018 (3)
  • January 2018 (8)
  • December 2017 (11)
  • November 2017 (16)
  • October 2017 (2)
  • September 2017 (12)
  • August 2017 (7)
  • July 2017 (3)
  • June 2017 (10)
  • March 2017 (1)
  • January 2017 (3)
  • December 2016 (5)
  • November 2016 (4)
  • October 2016 (5)
  • September 2016 (5)
  • August 2016 (4)
  • July 2016 (4)
  • June 2016 (5)
  • May 2016 (5)
  • April 2016 (7)
  • March 2016 (6)
  • February 2016 (6)
  • January 2016 (6)
  • December 2015 (9)
  • November 2015 (6)
  • October 2015 (2)
  • September 2015 (4)
  • August 2015 (6)
  • July 2015 (6)
  • June 2015 (8)
  • May 2015 (8)
  • April 2015 (8)
  • January 2015 (1)
  • December 2014 (1)
  • November 2014 (4)
  • October 2014 (5)
  • September 2014 (9)
  • August 2014 (4)
  • July 2014 (4)
  • June 2014 (3)
  • May 2014 (8)
  • April 2014 (7)
  • March 2014 (12)
  • February 2014 (7)
  • January 2014 (12)
  • December 2013 (10)
  • November 2013 (11)
  • October 2013 (12)
  • September 2013 (11)
  • August 2013 (12)
  • June 2013 (2)
  • May 2013 (4)
  • April 2013 (4)
  • March 2013 (1)
  • February 2013 (1)
  • January 2013 (9)
  • December 2012 (12)
  • November 2012 (8)
  • October 2012 (3)
  • September 2012 (6)
  • August 2012 (5)
  • July 2012 (14)
  • June 2012 (6)
  • May 2012 (16)
  • April 2012 (18)
  • March 2012 (18)
  • February 2012 (19)
  • January 2012 (15)
  • December 2011 (24)
  • November 2011 (16)
  • October 2011 (28)
  • September 2011 (8)

Search

Our Products

Goniophotometer
Spectroradiometer
Integrating Sphere
Colorimeter
Photometer
Brightness Meter
Luminance Meter
Pocket Colorimeter
Color Temperature Meter
LED Aging Tester
LED Driver Testing
High Frequency Power Supply
Resistance Ballast
Reference Ballast
High Frequency Current Source
Digital Torsion Meter
Go no go Gauge
EMC Test Equipment
EMI Test Equipment
EMI Receiver
ESD Generator
EFT Immunity Test
Surge Generator
Voltage Dip Generator
Ring Wave Generator
Electronic Ballast Tester
Electrical Safety Tester
Glow-wire Tester
Needle Flame Test
Leakage Current Test
Insulation Resistance Tester
Withstand Voltage Test
Oscilloscope
Environmental Test Chamber
Temperature Humidity Chamber
Waterproof Tester
Dust Test Chamber
IK Test
Salt Spray Test
RoHS Testing
AC and DC Power Supply
Adjustable DC Power Supply
Constant Current Power Supply
Digital Power Meter
Harmonic Analyzer
AC and DC Power Meter

Sitemap

Copyright © 2018 Lisun Group.

Powered by WordPress and Retro-fitted.