Direct emission - Page 2

KT&T, established in 2020 as a spin-off from INT Tech with an investment of $143 million, has developed an OLED microdisplay that achieved a brightness of 12,000 nits, which is the highest brightness OLED microdisplay ever developed.

The new panel is based on KT&T's own uNEEDXR technology, which is a direct-emission (no color filters) design. The display achieves very high brightness and high efficiency.

Samsung Display has recently launched an OLED microdisplay project, hoping to supply displays to Apple and other AR developers. Samsung is still at an early stage of development, aiming to start producing displays by 2024, with limited capacity.

SDC's first generation displays will adopt a WOLED-CF architecture, which uses a white OLED emission layer with color filters. This is the same design used by almost all OLED microdisplay developers, but one that seriously reduces the brightness and efficiency of the display.

OLED microdisplay maker eMagin reported its financial results for Q2 2022, with revenues of $7.2 million (up 14% from Q2 2021). The company's net loss was $1.4 million. At the end of the quarter, eMagin had $4.3 million in cash and equivalents. The company's backlog is $14.3 million.

eMagin says that it achieved increased sales of displays in both the defense sector (mainly the ENVG-B program) and also to the veterinary and surgical markets.

According to SNU Precision's web site, the company is set to release a new tool that will enable the deposition of direct-emission OLED materials on silicon wafers for microdisplay panels.

SNU Precision says that the new tool will support both R&D settings and mass production, with support for 200 mm and 300 wafers. The tool will launch "soon" but SNU does not give more details.

OLEDON says that it has developed a new curved plane-source evaporation shadow mask process that can be used for OLED microdisplay fabrication, with a potential density of 10,000 PPI (minimum shadow distance of 0.18um). Using this technology it will be possible to create direct-emission microdisplays.

In the video above, you can see the lecture OLEDON's CEO gave last month at iMID 2021, that explains the new technology.

Taiwan-based INT Tech announced that it has produced new AMOLED microdisplay samples at its $143 million fab in Taizhou in Zhejiang province, China, and the company is still on track for mass production in Q4 2021.

The new 0.7-inch INT Tech uNEEDXR display is a direct-emission display that features a brightness of over 5,000 nits, 3147 PPI and a low power consumption (less than 500mW@5000nits).

OLED microdisplay maker eMagin has been developing direct-emission OLED microdisplay (also called directly-patterned, or dPd) for many years, and is considered to be the leading company - the closest one to commercialize such a display. A dPd will enable much higher efficiency/brightness compared to current designs based on color filters.

In the past eMagin reported of several leading companies that have licensed the technology and/or are working with the company towards the design of custom dPd OLED displays for future AR/VR products. In 2017 for example eMagin reported of a Tier-1 CE company that licensed its dPd tech, and in 2020 the company said it started a new consumer-related AR development project for a next-generation display for a Tier-1 customer.

OLED microdisplay maker eMagin reported mixed quarter results for Q2 2021. Production issues and unexpected manufacturing tool downtime reduced revenues, but the company says it increased shipments to military, medical and other customers. Revenues in the quarter were $6.3 million (down from $7.7 million in Q2 2020). Net loss in the quarter was $0.3 million (but this includes a $2.6 million non-cash profit due to change in value of a warrant liability).

eMagin says it continued to make steady progress on the direct-emission microdisplay project, and remains on schedule to produce full-color prototypes this year. eMagin also reports it is ramping up production of its latest XLE technology (which still uses color filters) and has closed a major design win with a military customers for XLE OLED microdisplays.

OLED microdisplay developer Seeya Information Technology was established in 2016, and in 2017 it started building a $300 million OLED 300 mm microdisplay production line. Seeya's fab is now in operation, with a yearly capacity of around 20 million displays (monthly capacity of 9,000 300 mm wafers).

Seeya quickly became a prominent display maker, who's currently producing high performance displays to global customers. The company says it's currently the world's largest OLED microdisplay maker by volume. Seeya's current standard displays include:

The Korean government launched a new project that aims to develop technologies for the production of OLED microdisplays for AR applications.

The new project, organized by the Korean Ministry of Trade, Industry and Energy is led by AP Systems (APS). The project aims to produce a direct emission OLED microdisplay with a resolution of 4,000 PPI by 2024.