LG 65EF9500 Flat 4K OLED TV Review
Once you go flat, you may never go back.
As LG's newest 4K OLED—and the first real flat one—the 65EG9600 (MSRP $5,999) has some big shoes to fill. Fortunately, it tested with the same great contrast, color accuracy, and horizontal viewing angle we've come to expect from OLED models.
It also exhibited a high degree of gamma accuracy (at least compared to the 2013 sets), and was much easier to calibrate, with less measurement shifting during on-screen menus.
Below, you'll find LG's defaults for the ISF Expert1 picture mode, alongside my final calibration settings, and the pre- post-calibration results further down.
The EF9500 was easier to calibrate than any other OLED before it. Unlike past OLEDs, I found that the TV's measurements and luminance readings didn't change much when the menu interface was on or off the screen, making it much easier to dial in accurate settings in a short amount of time.
The EF9500 tested with a massive ANSI contrast ratio if 143,700:1, with a (calculated) black level of 0.001 and a reference ANSI brightness of 143.70 in the ISF Expert1 picture mode. This compares very similarly to the curved EG9600.
As usual the EF9500 boasts an extremely wide viewing angle, with a total of 166°, or ±83° from the center to either side of the screen. This is well beyond what most LCD TVs can do, but right in line with the OLED crop.
Prior to calibration, the EF9500 tested with a mostly flat, even 2.25 gamma, which is close to the 2.2 ideal it has been calibrated to in the ISF Expert1 picture mode. After calibration, I ended with a very flat 2.36 gamma, very close to the 2.4 dim/dark room ideal.
RGB Balance & Grayscale
Like previously OLEDs, the EF9500's out-of-the-box grayscale tracking is quite good, albeit not entirely perfect. Fortunately, it was no trouble to use LG's 2/20 point white balance controls to tighten up the RGB emphasis and decrease the grayscale deltaE from 4.29 (a little over the 3 dE ideal) to 1.11.
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