![Scientific and technical journal «Priborostroenie»](/images/mag-pr.png)
RESEARCH TESTS OF LED LIGHT SOURCES
![Scientific and technical journal «Priborostroenie»](/images/mag-pr.png)
Annotation
Results of reliability tests of LED lamps are presented. The most critical reasons affecting decrease in light flux from LED light source are identified. The main types and causes of failures of elements of LED lamps electromechanical system are considered. The existing test methods and tools for determining the service life of a LED light source are described. The heating and cooling curves of the LED lamp at the hot spot are experimentally obtained. A graph of change in level of the black box illumination by a LED lamp depending on the number of cycles of its switching on and off is presented.
Keywords
Постоянный URL
Articles in current issue
- ESTIMATION METHODS FOR QUALITY INDICATORS OF COMPLEX SYSTEMS FUNCTIONING
- CALCULATION OF DIGITAL TRACKING SYSTEMS OF COMBINED CONTROL USING A LIMITING CONTINUOUS MODEL. PART II. CALCULATION OF THE DIGITAL TRACKING SYSTEM
- PREFERRED PAIRS OF GMW–SEQUENCES FOR DIGITAL INFORMATION TRANSFER SYSTEMS
- SOME FEATURES OF ERROR DETECTION BY UNIFORM INDIVISIBLE CODES
- RESEARCH TESTS OF LED LIGHT SOURCES
- IN VIVO STUDY OF MINERALIZED SCURF UNDER THE GUMS USING AN INTERFEROMETRIC DEVICE
- METHOD OF OBJECTS RECOGNITION IN DIFFERENT SPECTRAL IMAGES
- METHOD OF LINEAR DISPLACEMENT MEASURING USING OPTICAL RASTER ILLUMINATED BY SPHERICAL WAVE FRONT
- REGRESSION MODEL OF ACCURACY CHARACTERISTICS OF TWO-STAGE FLOAT GYROSCOPE
- RECORDER OF CONDITIONS OF STORAGE AND TRANSPORTATION OF SPECIALIZED CARGOES
- NEW TECHNOLOGICAL TECHNIQUE ENSURING RELIABILITY AND STABILITY OF OUTPUT PARAMETERS OF MICROMECHANICAL PRESSURE SENSORS