15 Jan 2019, 23:27
That's the nature of working with HDR. But actual HDR comes across really good. But I noticed you have not tested the latest Q7, which is a significant improvement over last years, or any I see in store HDR near the current sale price. The test of this years Q7 at the site below was 697 out of theoretical 700 in this years model.
Their is a lot you can do with LCD issues simply by light control. Which Samsung probably did with this s years, and us doing with the upcoming Q9 4k eliminating blooming and increasing high brightness color, by a report I read. There was a private room show of the panel there. The Q7 already has lower light output which would make it easier to control light. The tests I've seen indicate it does more coverage, but lower overall volume then the Q9. Which indicates to me that Q7 is doing well on normal lower brightness, but the technology couldn't handle the Q9's high brightness completely. Maybe the Q9 used a lesser technology due to its proximity to the best if the LEDs (and the led purity is another matter). The top color volume is a Vizio. I imagine that the technology they use is related to the technology reportedly in this years Q9 4k and the Sharp 8k TV panel. I know I read something about some new wonder black film around three+ years ago. That's his long a roll out into production readiness may take. The principles are simple, I used to try to figures out new technologies for displays. One thing you can do, is a filter that rejects off frequencies of light along with tight frequency light sources (and polarisation, and directional distribution and filtering (VA's need this). Now, when the light works its way through panels it interacts with it and the light gets changed, these changes are rejected by the filters, increasing black levels. That is a lot of the light problems with LCD. But you know what acts by rejecting off frequencies that you could put in front of a LCD pixel, a quantum dot color filter. I don't expect it to completely eliminate issues, and you may still get glow. But, instead of making a dual cell lcd pixel, why not make a deeper cell of a type which more fully blocks glow?
Another innovation I'm looking at, is to change materials to guarantee light changes to an off frequency when undesired. This may or may not be practical in cost or panel life expectancy, but is simple. You may now look at performance better then that sharp dual pixel idea. I even came up with an idea to provide greater than rec2020, and maybe another one which might be applied Instead of QD cheaply, blindingly obvious.
Looking at actual test scores across OLED sets at the rtings color volume page, there are a lot more variance between OLED models of the same year on all measure then expected, even lower model out doing a higher model. I wonder what is going on. Sony was surprisingly down.
Remember when LG did a panel rated to do around 1000 nits peak, well this years panels outdo this years on those measurements. I wonder if they are model dying materials and dulling light output etc, for manufacturing and panel life purposes? 250 nit panel brightness is not much on the bottom end models.
One thing Panasonic could do easily, is change the color filter primaries to get rec2020, or to get a 8k panel and use it as a 4k 12 bit display using sub pixels, like I posted in an article recently. They could change the filter to 6 color in combination with this. A custom colour filter certification costs, and could take the time from going with LG instead if the previous plan, until now to get sorted out. So, I wonder if something is possible. It makes little sense for Panasonic to advertise it's image credentials and to Just use everybody else's Panel and have it look lacklustre in shops, even with dark details lost (the original 950 etc in shop). They have to have a better plan before people start realising that an LG with their superior technics color scheme is a viable alternative for personal and work.