Mojo Vision Unveils High-Density MicroLED Display Technology at Display Week 2024

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At Display Week 2024, Mojo Vision demonstrated a monolithic red, green, and blue (RGB) panel featuring a 4µm pixel pitch and a reported density of 6350 pixels per inch (ppi). Is this the significant milestone in teh commercialization of high-performance MicroLED displays that the company claims?

Mojo Vision’s team delivered a paper to make their case. The company’s approach emphasizes the integration of high-performance Quantum Dots (QDs) and Micro-Lens-Array (MLA) technology to overcome current limitations and enhance display performance.

Source: Mojo Vision

Mojo Vision uses proprietary high-performance QDs with efficient small blue LEDs. The QD-based approach is identified as a promising method for achieving monolithic RGB MicroLED displays. By combining stable, highly efficient blue LEDs with red and green QDs, Mojo Vision addresses challenges associated with traditional methods, such as selective area growth and stacked layers, which often suffer from material quality and efficiency issues. The QD integration allows for the creation of dense displays with very small emitter sizes, enabling high pixel densities necessary for applications like augmented reality (AR) glasses.

Source: Mojo Vision

A significant differentiation for the company is in the use of MLA technology to enhance brightness and power efficiency. LEDs naturally disperse light in many directions, resulting in substantial light loss. By incorporating an MLA with lenses significantly larger than the tiny MicroLEDs, Mojo Vision aims to increase light delivery to the human eye by up to five times. This enhancement is crucial for applications requiring high brightness and energy efficiency, such as near-eye displays (NEDs) in smartglasses.

Mojo Vision has developed a robust manufacturing process on 300-mm substrates. The process begins with the fabrication of GaN-on-silicon frontplanes, which are bonded to CMOS backplanes containing the driving circuitry for each pixel. Red and green QDs are then deposited onto the wafer, resulting in a high-density RGB emitter array. This end-to-end process enables the production of high-performance, reliable full-color MicroLED displays.

Source: Mojo Vision

Mojo Vision claims its advancements in MicroLED technology, particularly through the integration of QDs and MLA, position the company to deliver next-generation display solutions for a variety of applications. The technology is claimed to significantly enhance the performance and efficiency of AR glasses, providing a foundation for more sophisticated and user-friendly smartglasses. Additionally, the same tiny LED toolkit developed for dense displays has the potential to disrupt the sparse display market, offering superior front-of-screen performance and energy efficiency at competitive cost points.


TrendForce 2023 Micro LED Market Trend and Technology Cost Analysis
Release Date: 31 May / 30 November 2023
Language: Traditional Chinese / English
Format: PDF
Page: 160 / Year

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