Micro LED inspection method for displays is being advanced as an international standard
The technology for inspecting Micro LED components is being proposed as an international standard at a meeting in Jeju, attended by about 50 experts from Korea, China, Japan, and Germany. The Korean Agency for Technology and Standards initiated this proposal during the IEC TC47 international standards meeting.
Micro LED is a type of inorganic light-emitting device that surpasses organic OLEDs in lifespan and doesn't suffer from screen burn-in, making it a promising next-generation display technology. Micro LED displays are constructed from millions to hundreds of millions of tiny LEDs, each between 1 and 20 micrometers in size, smaller than a strand of hair. Each LED serves as a pixel, capable of independently controlling color and brightness, making the consistency of LED quality essential.
The proposed standard involves a non-contact method using photoluminescence to inspect Micro LED components. This method illuminates LEDs to emit light without direct electrical connection, analyzing this light to quickly and economically detect defects, potentially cutting inspection costs by over 50%.
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