The LG subsidiary specializing in screen manufacturing has just confirmed the development of a new four-layer OLED technology, capable of reaching a maximum brightness of 4000 cd/m² while reducing energy consumption. Explanations.
During our stay in Las Vegas to cover the CES 2025 show, we were invited to participate in a so-called “technical” presentation of the new LG brand televisions. This should allow us not only to see the latest TV models manufactured by the South Korean company, but also to find out more about the technology of the latest generation of OLED panels developed by LG Display.
However, during this presentation, no information was given to us. Not the shadow of an explanation or the vision of a diagram detailing the new composition of LG Display panels. The managers on site limited themselves to telling us that the MLA (Micro Lens Array) technology was no longer there and asking us to wait a little to find out more…
A composition finally revealed by Panasonic
Finally, it was a few days later that we were able to learn more about the exact composition of the new OLED panels developed by LG Display, thanks to one of its clients: Panasonic. Indeed, during the presentation of its new OLED televisions from the Z95B series, the Japanese brand unveiled an explanatory diagram on the new technology of OLED 2025 panels, therefore without MLA filter (with its billions of microlenses), despite a process used on the two previous generations making it possible to optimize the brightness of OLED televisions based on an LG Display panel including LG G3, LG G4, Panasonic Z95A, Philips OLED909 TVs, for example example.
No longer 3 layers, but 4 layers on the new OLED panels
Today, it is finally LG Display which comes out of its silence and communicates a few more details on this new structure for OLED panels. Baptized « Primary RGB Tandem » by LG Display, it wants to mark a significant evolution compared to previous OLED panels.
Indeed, unlike the previous architecture which used a red/green/yellow layer between two blue layers, this fourth generation integrates independent layers: one red, one green and two blue. This configuration increases brightness by 33% compared to the previous generation, according to the company.
The announced performances are remarkable with a maximum brightness of 4000 cd/m² in white and 2100 cd/m² for colors, an improvement of 40% in colorimetric brightness. Energy efficiency is not left out since consumption decreases by 20% on a 65-inch panel, again according to LG Display.
Please note, these figures should be taken with a grain of salt and we will not fail to check them and especially compare them during our measurements as soon as we can carry out the first tests of the televisions, probably on LG models. The Panasonic televisions which will use the same panel, those of the Z95B series, will arrive well after the LG TVs, which are promised for March/April while those of the Japanese brand should not be available before the summer.
That said, we expect measurements of around 2000 cd/m² in Filmmaker mode on these 2025 OLED TVs with a test pattern at 10% of the screen area. In addition, full-screen brightness should also increase significantly, perhaps exceeding 300 cd/m² while it tops out at less than 260 cd/m² notably for the LG G4 and Philips OLED909, for example.
This new structure allows LG to compete with Samsung’s QD-OLED technology, which also announces a brightness of 4000 cd/m² for its new generation.
To go further
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A technology already adopted by several manufacturers
This new panel therefore already equips high-end LG G5 and M5 televisions, as well as the Panasonic Z95B presented at CES 2025. LG Display plans production in diagonals ranging from 48 to 83 inches. In addition, know that the technology will also be gradually deployed on the brand’s gaming monitors.
In addition, to improve performance in bright environments, LG Display has developed a high-performance anti-reflective film that blocks 99% of internal and external reflections. This innovation makes it possible to preserve the quality of blacks even in a brightly lit room (500 lux).
A gain in brightness, but also for greater color coverage
The abandonment of MLA (Micro Lens Array) technology after only two years of use marks a turning point in LG Display’s strategy. This new four-layer approach appears more efficient and likely less expensive to produce. In addition to the gain in brightness, this technological development is accompanied by an improvement in color purity, with coverage of the DCI-P3 color space increasing from 98.5% to 99.5%, according to the company.
Here too, this should allow OLED TVs from LG, Panasonic and Philips to offer measurements similar to those observed on television models incorporating a QD-OLED panel (99.76% for the Samsung S95D or 99.93% for the Sony A95L according to our measurements).
Looking forward to being able to test these new televisions which promise great developments compared to previous generations.
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