MicroLED-Info.com: the Micro-LED experts

PlayNitride demonstrated its latest Micro-LED displays at SID DisplayWeek 2019, and the following recently-published video shows the company's booth and prototypes:

So first up we have a 7.56" 720x480 (114 PPI) transparent MicroLED display, which looks very impressive. This is the same Micro-LED display that TianMa demonstrated at its own booth. Interestingly, under direct light from it seems that the display is made from tiles - but PlayNitride says that the squares are made from the stamping process, and the company is developing technology that will remove these marks.

Researchers from the University of Waterloo have demonstrated the successful integration of a-Si:H TFTs and high-efficiency micro-LED chips on large-area flexible substrates. This is the first time that an amorphous silicon was used to drive Micro-LEDs which could pave the way for lower-cost micro-LED display fabrication using existing LCD technology.

the researchers use a 2-TFT pixel circuit, with blue GaN-based micro-LED chips. The low-temperature TFT production process enabled the direct integration onto a flexible flexible polyethylene naphthalate (PEN) substrate. After the TFT fabrication, the micro-LED chips were flip-chip bonded on the TFT, and then transferred onto the flexible pixel circuit using a selective laser lift-off process.

TCL subsidiary China Star (CSoT) demonstrated a 3.3" 232x116 transparent Micro-LED prototype display. The display is built on an Oxide-TFT (IGZO) backplane - CSoT says that this is the first such display ever demonstrated. The transparency is around 45%.

CSoT says that it developed the display in collaboration with PlayNitride that provided the transfer technology for CSoT.

In May 2019 Taiwan-based PMOLED display maker RiT Display announced a strategic partnership and share swap with MicroLED developer PlayNitride. Digitimes now states that RiT expects to start shipping its first microLED smartwatch displays in 2020.

According to the new report, a US-based smartwatch brand will start a design process in Q3 2019 using a 1.25" micro-LED display that was co-developed by RiTDisplay and PlayNitride. RiT will start shipping samples in Q4 2019.

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Shanghai-based Micro-LED microdisplay developer JBD unveiled its latest Micro-LED microdisplay prototypes. JBD's panels can achieve a high brightness of 2 million nits coupled with very high pixel density (5,000 PPI) on a monochrome green display.

JBD also demonstrated an even high pixel density display (10,000 PPI). JBD can currently produce either monochrome or dual-color (red and green) microdisplays, and is developing full-color ones.

Market research company IHS expects MicroLED display shipments to reach 15.5 million units in 2026, as sharp production cost improvements will enable micro-LED technology to achieve mass market success. The increase in shipments will be fast, but in 2026 micro-LEDs will still amount to only 0.4% of the total display market.

Shipments in 2019-2020 will be virtually nono-existance (less than 1,000 units, in fact), but the new emerging display technology will find markets in wearables, TVs, AR and also smartphones.

Chinese LED producer ShineOn has unveiled a new MicroLED display prototype branded as IconiView at the Guangzhou International Lighting Exhibition (GILE 2019). The display is a 139" 4K panel developed jointly by ShineOn and Korea-based MicroLED developer Lumens.

The IconiView display utilizes a Flip-Chip-On-Module (COM) LED technology and features a brightness of over 2,000 nits and a contrast ratio of 3000:1. ShineOn says that the product "has been verified" and can be mass produced.

At the InfoComm 2019 US trade-show, LG Display unveiled a new 8K Micro-LED display. We do not have a lot of information about this display, only that the pixel pitch is 50 microns.

LG Display unveiled its first Micro-LED TV prototype in August 2018, a 173" TV. The company did not yet discuss the technology readiness of its Micro-LED displays.

As promised last year, Samsung is set to launch the world's first consumer micro-LED TV. According to the company, in July 2019 it will start shipping (or accepting orders?) for the new TV, which (in a similar way to "The Wall Professional") will be made from tiled and seamless Micro-LED modules. The TVs will come in sizes ranging from 73" (2K resolution) to 292" (8K).

Samsung says that its Micro-LED TVs will offer unparalled viewing experience, and will offer a 2000 nits peak brightness, high contrast and 100,000 hour lifetime. The price will probably be very expensive, but Samsung did not reveal it yet.