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[IMID 2018] LG Display and Samsung Display exhibited a large number of large, and small & medium sized OLED applications.

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LG Display and Samsung Display introduced a number of applications using OLED at IMID 2018 held in BEXCO, Busan, drawing attention from many visitors. In particular, LG Display displayed its strategies mostly for large OLED applications such as 77-inch transparent OLED and 55-inch video wall OLED, while Samsung Display introduced the small and medium sized OLED applications mainly for automotive and virtual reality devices.

First, the panel thickness of the 77 inch transparent flexible OLED introduced by LG Display is 400 μm, the bending radius is 80 mm, and the luminance is 200 nit based on full white.

LG Display explained that it would improve the required transmittance and durability. Also, it commented that the goal is to reduce bezel to 0.5 mm at its display of 4 FHD OLEDs with 3.8 mm bezel.

In addition, LG Display presented a 1200ppi 4.3-inch WRGB OLED for virtual reality devices. One official explained that WRGB OLED, which represents the resolution by etching the color filter, would be advantageous for higher resolution than RGB using the deposition method.

Meanwhile, Samsung Display exhibited a number of automotive OLEDs, including unbreakable OLED for 6.22 inch steering wheel, 1000R curved OLED for passenger monitor, transparent OLED for HUD, S-curved OLED for CIO and rollable OLED. The concerned official expects the OLED to be widely applied to inside automobiles because it has excellent design autonomy, compared to LCD.

He added “Although there are many things to be improved, such as brightness and reliability, it is continuously improving the required performance through the feedback from European customers”.

Furthermore, Samsung Display showcased light field display and 2,000ppi resolution RGB OLED for virtual reality devices.

Who Will Get The First Full-Screen Display Smartphone Title, Samsung Or Apple?

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Full-screen display smartphone is expected to be launched soon. According to the recent report ‘Key Issue and The Market Analysis for Foldable OLED – Flexible OLED Annual Report’ by UBI RESEARCH, a market survey company, left-right bezel-less flexible OLED dominate the smartphone market, and later full-screen display with minimized or without both left-right and up-down bezel will appear in 2017, thereby leading the future market.

<Smartphone Display Development Trend Outlook>(Source: UBI RESEARCH)

The more specific circumstances were caught. Apple Insider announced that Apple recently applied for a design patent(US20150303244A1) of electronic devices with display-integrated light sensors, quoting the USPTO’s announcement on October 11(Local Time).

<Design Drawing 1 of Apple’s Patent-Pending Electronic Devices with Display-Integrated Light Sensors>

Apple used the examples of the placement of Ambient Light Sensor or Proximity Sensor around the side of display, and of the protection of display and sensor circuit by glass or plastic transparent encapsulation layer. Apple Insider expects that this design will be able to reduce unnecessary space and make full-screen display possible.

<Design Drawing 2 of Apple’s Patent-Pending Electronic Devices with Display-Integrated Light Sensors>

At the 2016 IMID Business Forum at COEX in Samseong-dong on October 26, Samsung Display chief expert, Park Won-sang announced display trend about screen size, which boosted confidence. Chief expert, Park Won-sang said that “Display size compared to set size is very important due to the characteristic of mobile phones with a size limit. The display area(hereinafter “D.A”) of edge display was 80%, full-screen mobile phone D.A was larger than 90%, and this is one of the major trends that will lead the market”. The techniques including an all-in-one glass fingerprint recognition module and an ultrasonic fingerprint recognition module have not been mentioned yet, but an entirely innovative full-screen smartphone will be introduced by removing left-right bezel as well going beyond the left-right bezel-less type of Note 7.

<Samsung Display’s Presentation, 2016 IMID Business Forum>

LG also applied a patent of full-screen display. According to Patently Mobile’s report on June 2015, not physical but virtual button and App icon were applied. But, design itself cannot exactly show materials and interior parts except appearance, and it is now uncertain whether it will be developed or not as there is no further news after the patent application.

<LG Electronics Granted Home-Buttonless Smartphone using Flexible Display>>(Source : Patently Apple)

Likewise, many smartphone companies are actively reviewing the introduction of full-screen display because it might allow customers to experience the biggest change in addition to the product’s immersive nature. Besides, there are recently some opinions that with the expanding VR market, OLED display without a latency issue and wider display area are necessary to be applied to HMD(Head Mounted Display) attached with a mobile phone.
Meanwhile, ‘Key issue and Market Analysis for Foldable OLED’ Report by UBI RESEARCH forecasted that full screen AMOLED panel will be firstly launched in 2017, accounting for 60% of the total flexible AMOLED panel market and going beyond the bezel-less type of flexible AMOLED panel market.

Meanwhile, ‘Key issue and Market Analysis for Foldable OLED’ Report by UBI RESEARCH forecasted that full screen AMOLED panel will be firstly launched in 2017, accounting for 60% of the total flexible AMOLED panel market and going beyond the bezel-less type of flexible AMOLED panel market.

<Definition by Flexible OLED Type and Market Share Outlook >(Source: UBI RESEARCH)