InZiv nano-optical microLED microscopy, CEO and Founder David Lewis interview
Channel: Charbax
Date: 2022-05-01

InZiv is a leader in display inspection and repair providing high-resolution testing and inspection equipment to today’s foremost advanced display manufacturers. InZiv’s proprietary nano-optical technology and advanced microscopy extends to microLED, QLED, and OLED display technologies. The company empowers display manufacturers to improve their manufacturing processes, lower production costs, and enable greater access to the use of these displays by all consumers. Based in Israel, the company was founded in 2018, and counts a number of the world’s leading display manufacturers among its customers. https://inziv.com/

chatgpt description text:
David Lewis, CEO of InZiv, talks about the tools his company has developed for inspecting high-resolution displays, such as micro-LED, Q-LED, and OLED displays. He explains that micro-LEDs are being used in augmented reality displays due to their brightness and high resolution. However, the challenge is identifying which of the millions of chips on a wafer are defective and improving the yield to meet consumer demand. InZiv uses photoluminescence and electroluminescence to identify defective chips and measures EQE to determine a chip's health. Their technology allows for high-resolution inspection and can scan micro-LEDs in either photoluminescence or electroluminescence mode. Additionally, InZiv has developed nano-optical solutions that create the smallest point of light in the world, which can be used to obtain highly detailed information from micro-LEDs.

In this video, we explore the world of microLED technology and how it can be utilized to create displays. MicroLED comes in two forms, one resembling a fab wafer and the other more like a mass transfer. The main issue with creating displays from these devices is the process of mass transferring millions of devices into a display, which is currently cost-prohibitive. However, smaller displays with high-density screens are already being developed. The video shows inspection tools and rapid EL technology that are designed to analyze and improve the quality of microLEDs, ensuring that the overall yield of wafers is high. The video also explores the discovery of nano-optics, in which light can go smaller than the diffraction limit when confined to a small aperture. The video shows nano-optical probes that can collect or inject light in a controlled manner to study how devices emit light and its distribution.

The video discusses the challenges of quality control in the development of micro-LED displays. While EQE can measure the number of photons emitted from the device, it doesn't tell us where the photons are going. Therefore, another crucial aspect is the angular distribution of the light. This measurement is challenging for devices below 10 microns in size. The company featured in the video is developing algorithms and filters to detect areas that need to be inspected at high resolution. They can identify defects early on and save manufacturers money. The video also touches on the process of binning, which sorts displays into different piles based on their yield, ensuring that the display's quality meets the desired standards.

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