ALLOS and Veeco up-scale GaN-on-Si microLED production technology to 300 mm wafers

German-based GaN-on-Si developer ALLOS has applied its technology to large 300 mm epiwafers. ALLOS says that scaling up to 300 mm wafers enables higher production efficiencies and thus lower costs. ALLOS estimates that the higher area utilization alone accounts for a cost advantage of 40% compared to standard LED wafers. Standard 300 mm silicon line tools also offer higher production uniformity and yield.

Scaling up from 100 mm to 300 mm silicon wafers (ALLOS Semi)

ALLOS demonstrated the 300 mm scale-up using a reactor made by Veeco who announced selling the first 300 mm GaN reactor to a leading-edge semiconductor fab just some month ago and also showed 300 mm wafer data at CES. ALLOS reports a wavelength uniformity of consistently below 1 nm and "all other production requirements like bow of < 40 µm and SEMI-standard thickness of 725 µm". ALLOS says scaling to 300 mm shows how robust its GaN-On-Si technology is.

Printed Electrochromics boldly goes where no display has gone before


This is a sponsored post by Ynvisible

Example use-case for printed electrochromics, Ynvisible
Fig.1 Example use case for printed electrochromics: a shock detector smart label with an interactive printed interface.

Expanding Need for Simple Electronic Display Functionality

Rapid advances in the miniaturization and reduction of costs in computing, electronic sensing, and communications have allowed the integration of “smart” electronic functionality into almost everything. ”Intelligence” is now embedded into a wide range of everyday objects, and spread throughout our working and living environments. Much of this intelligence, data collection and transfer is hidden from the human senses, requiring little or no human involvement. But as the number of human daily touch points and interactions with smart devices grows, so too does the importance of user experience design and the role of displays.

InZiv Ships MicroLED Characterization Equipment

Israel-based display characterization and inspection equipment maker InZiv has recently announced the shipment of a high-resolution pixel characterization tool to an undisclosed Tier-1 consumer electronics company.

InZiv high-resolution microLED pixel characterization tool closeup photo

InZiv’s tool offers MicroLED defect detection on the wafer and pixel level with unprecedented sub-micron resolutions. Measuring luminescence, spectral wavelengths and 3D structure at the highest resolutions, the equipment enables the identification and the source of defects, accelerating product time to market.

Plessey signs deal with Facebook to dedicate all of its MicroLED operations to support Facebook's AR project

UK-based GaN-On-Si MicroLED microdisplay developer Plessey Semiconductor announced a partnership with Facebook - in fact Plessey will dedicated all of its manufacturing operations to support Facebook with its own product development.

 Plessey 0.3'' multi-color segmented microdisplay (CES 2020)

Plesssey says that its displays will be used to support Facebook's prototypes, and the company will develop new microLED technologies to future AR/VR applications.

CyberOptics announces a $1.2 million micro-LED AOI system order

High-precision 3D sensing developer CyberOptics Corporation announced that it has received a $1.2 million order for its SQ3000 Multi-Function systems for Automated Optical Inspection (AOI), Solder Paste Inspection (SPI) and Coordinate Measurements (CMM), to be used in the scale-up of micro-LED technologies.

Cyberoptics SQ3000 photo

CyberOptics says it expects more micro-LED equipment orders later in 2020. In August 2019 the company announced a $1.3 million order for a system SQ3000 system.

eLux's fluidic microLED technology and business explained

USA-based eLux was established in 2016 as a spin-off from Sharp Labs of America, to commercialize a unique MicroLED production technology. The company was in stealth mode for a few years, and is now finally discussing its technology and business. We talked to the company's president and CEO Jong-Jan Lee, who explains the company's technology, status and plans.

eLux's technology is based on a unique approach that moves microLEDs from wafer to the target substrate without the need of a pick-and-place process. The so-called fluidic process uses microLEDs dispersed in liquid and wells built onto the substrate. The microLED dispersion is spread over the substrate and the LEDs simply fall into place - a sort of self-assembly process, which can be seen in the video above.

Konka to use Aixtron's CVD reactors to produce its own microLED devices

In December 2019, China-based display maker Konka launched its tiled large micro-LED displays, under the APHAEA brand. The company demonstrated two such displays - a 118" 4K one that costs $240,000 and a 236" 8K one that costs $1.25 million.

Konka APHAEA microLEDs at CES 2020

Konka is gearing up to produce its own MicroLED and miniLED chips, and has ordered several of the company's production systems, specifically the AIX G5+ C and AIX 2800G4-TM MOCVD systems. Konka will use these CVD reactors to produces GaN-based and AsP-based microLEDs and miniLEDs.

Samsung aims to start producing real microLED TVs in 2020, partners with Epistar and PlayNitride

Digitimes reports that Samsung Electronics has partnered with Taiwan-based Epistar to supply the Korean display maker with micro-LED chips, as it aims to release its first microLED TVs in H2 2020.

Samsung 146'' micro-LED TV, The Wall

According to Digitimes, Epistar will work together with PlayNitride to supply the microLEDs. Epistar is an investor in PlayNitride. Digitimes says that PlayNitride is currently producing over 1,000 6" microLED wafers per month, and is aiming to increase its production capacity to 10,000 monthly wafer this year.

CSoT and Sanan-IC to jointly-develop microLED materials and technologies in a $43 million investment

China-based display producer China Star Optoelectronics Technology (CSOT, owned by TCL) announced a joint-venture with Xiamen Sanan Integrated Circuit (Sanan-IC, owned by San'an Optoelectronics) to develop micro LED materials and production processes and equipment.

The two companies will invest a total of 300 million Yuan (around $43 million USD) in the new venture, with CSoT holding 55%.