LG G5 SE Review: Display


G5 SE can be regarded as a simplified G5, and one of the main changes of G5 SE is that its processor is downgraded to Snapdragon 652, with Snapdragon 820 for G5£¬and the price was lowered to 2999 Yuan£¨about 229 US dollars£©. However, LG maintained the asymmetrical duel camera and modular design. Besides its modular design characteristic, LG is also the main supplier of IPS display and its display products are widely equipped on mobile phones, PCs, FPDs£¨Flat Panel Display£©as well as other digital devices and panel display equipment. LG is the main competitor of Samsung display panel industry, so the performance of its display is quite worth to wait.

LG G5SE is equipped with a 5.3-inch WQHD IPS display screen, which is similar to G5. Compared with G3, thanks to the improvement of its screen solution, LG leaves a different first impression to users that screen black is darker, which means it will have a better performance for black and other dark tones. Besides, the color displayed will be more vivid but the phone system exists no relative settings on color temperature and color management. By convention, the objective tests were completed by SpectraCal Calman. It worth mentioning that ambient light has an obvious impact on the real screen brightness of G5SE under auto-brightness-mode. Although, flashlight can be used to simulate a strong light environment, but the test cannot be finished stably. So, the subjective test records are still based on the result under manual-brightness-mode.

Comparision LG G5 SE LG G3 S7 Edge Basic SE Edge Adaptive Display Nexus 6P iPhone 6s Lumia 950XL
Brightness cd/m2 209[Manual] 434 349 418 341 575 282
Grayscale (Gamma 2.2) 2.32 2.33 2.12 2.24 2.22 2.21 2.06
Average Color Temperature K 7905 6957 6415 7206 6441 6753 6493
Grayscale ¦¤E Average 6.12 3.05 2.13 3.84 2.81 1.94 2.15
Comparision LG G5 SE LG G3 S7 Edge Basic Nexus 6P iPhone 6s Lumia 950XL
Color Gamut(sRGB) 117.88% 95.44% 103.60% 96.61% 99.43% 101.4%
Average ¦¤E2000 5.48 3.19 1.74 2.37 2.3 3.18
Max ¦¤E2000 8.49 5.99 2.73 4.69 4.08 4.35
  • Max Screen Brightness (cd/m2 or nits): The maximum brightness one screen could reach, without considering glass quality, algorithm or dynamic adjusting. Over 500 cd/m2 can be used under strong light, below 400 cd/m2 will be to use.
    Gamma 2.2: Gamma value is the key factor in contrast display. Our eyes do not perceive light the way cameras do. Under SRGB, if the gamma value is 2.2, the tonal range is just what human eyes receive. Lower than 2.2, the contrast will go down, otherwise, it will go up. Except the gamma value, we have to see form the picture if the red, green and blue curve overlap, if not, different color contrast will be different. The value between 2.1 to 2.3 is qualified for display, while if the value is below 2 or over 2.4, the contrast will be lower or higher than standard.
    Average Color of White: The average color temperature in degrees, D65 with 6500 K is the standard color of White for most Consumer Content and needed for accurate color reproduction of all images. Higher than 6500K will tend to be cold, otherwise will be warm.
    Color difference: A measurement used to indicate how much a color deviates from standard. The higher the ¦¤E, the more inaccurate the color. This is because the human eye is only capable of detecting color difference at certain thresholds. It is hard to detect if average ¦¤E is below 5, less than average 3 ¦¤E and less than 5 ¦¤E is excellent, the smaller the ¦¤E is, the better the color is. Between 5 to 10 ¦¤E is detectable, over 10¦¤E is significantly detectable.
    Color Gamut(sRGB): The specific range of colors that one device is able to display. Our test is based on sRGB. If wide-gamut device is tested, Adobe RGB or NTSC gamut will be noted for reference. Display with over 90% will be enough for everyday use, higher than a certain percentage will not affect using experience significantly. However, photo playback requires precisely range, 10bit video requires wider gamut.
    Restricted by our devices, we will not test the viewing angle. On average, more than 30 would bring over 50% brightness loss.

The grayscale performance and color error of LG5SE is not satisfied, which is even worse than G3, the main reason is that the default screen color temperature is much higher than that of G3, with an increase from 6900k to 7900k, and the overtone is tending cooler and bluer. Its color saturation is higher than that of G3. The normal images may be more attractive to users for LG5SE has a better color dynamic, but its color contrast is higher. The display of some high-light and warm colors is easy to make users feel a little dazzling and uncomfortable. Obviously, in terms of the phone screen color control, LG is slightly inferior to its old competitor, Samsung. Naturally, it cannot compete with iPhone, which is its big long-term-cooperation client.

The maximum brightness of LG screen under auto-brightness-mode could reach as high as 680 cd/m2, which is over the average level. But there exists a problem that also troubled Samsung Galaxy S5: only after users put it under strong sun-light for seconds can the phone reach the maximum brightness. Normally, in outdoor use, the actually brightness and viewing performance of LG5SE is not as good as that of Galaxy S7 Edge. What¡¯s more, LG5SE has a system bug ¨C the auto-brightness-mode may close automatically, and this also happens when users set the brightness values in the status bar of the phone. These problems will lead to the fact that users feel the screen is too dark in their daily operations, which will have a serious influence on their usage experiences and evaluations. Wishing the manufacturers could correct it soon. (Note: In the latest firmware, the problem of Auto-brightness-mode failure had been solved)

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