[02:30]
I've been thinking over my options all day, and even scanned over Panelook to see if there were others I hadn't considered. I'd like to think of something else like the PCB of #Tetrinsic [gd0041], but it seems I sold the solution too well to myself and now my subconsious won't let it go.
Anyway, the screen options:
- Single 2560 Si OLED
- https://www.alibaba.com/product-detail/SeeYA-1-03-inch-2560-2560_1600425378462.html
- https://mansky.co.uk/assets/uploads/pdfs/seeya_SY103WAM01_specification_v1-0_20210415.pdf
- Leaves the option to upgrade to a second screen for AR or the next option below.
- 2560 square could also fit dual FHD desktops with a bit of padding around them.
- The visual area of content will not change for 16:9 content. I'm both limited by comfortable ppd, which I believe is between 80 and 90, closer to 90, and the area I can look at without subconsiously moving my head, since the entire view will move along with.
- I imagine that the hat would look like it has a somewhat fat antenna on one side.
- Framerate is less than 90Hz (1920x1920 is 90Hz) according to seller. I think it's 75Hz but would have to confirm.
- I tried 48Hz -> 60Hz to get the same kind of expected feel as 60 -> 75Hz and it's still a welcome framerate bump.
- It's small, it's OLED and it's very bright. I can use a beamsplitter cube and I'd still have a bright image to be sent to the rest of the optics.
- So far, the compute believes that using this would have the lowest decimal odds of success.
- (decimal odds: 1 = 100% chance, 100 = 1% chance, lower is better)
- Assuming that they'd actually courier it over, it'll cost $320 (£280).
- Dual 2560 for a 4550 * 2560 desktop
- Highest resolution and most expensive option.
- Only does 60Hz according to seller.
- Most versatile. Since the ppd and viewing distance is kept constant, the only thing that can change with a lower resolution is a lower image size. It also means that there's enough pixels to potentially do some head movement corrections
- The icons for other screens will be one the left / right sides of the destop area.
- Requires dual antenna-looking things.
- Dual 1440 LCD for a 2560 * 1440 desktop: https://www.aliexpress.com/item/33030720934.html
- Similar to the above but uses the 120Hz 1440px square LCD panels. It's seemingly the only 120Hz panel available at a usable size.
- Unlike the 2160 edition, the 1440 ones sport a 300 nit brightness, so a beamsplitter will cut that into 150 nit images sent to the rest of the optics.
- It's on AliExpress for under £180 (2 screens + 120Hz controller).
- The icons on the left and right would be 128px, which should be servicable but can't be anything fancier like a preview of the window.
- The desktop will be the same size as a 15.6" screen at a distance of 70cm. Whilst mentally simulating what it'll be like, I noticed that 1) even at distance, it's kind of small and 2) 16:9 is suprisingly wide.
- To further talk about that second point, whilst it's fine for watching videos, I think I really want more vertical pixels and portrait mode. I think the main reason why I don't usually use portrait mode is because:
- It's physically cumbersome to mount my current screen in portrait.
- 9:16 looks team extreme for an aspect ratio. Now I'm starting to realise why I liked the look of Oppo's folding phone.
- Websites don't agree with the low resolution caused by portrait mode.
- There's so many situations though where the aspect ratio in landscape is nothing but wasted space. Exhibit A:
- I did some scrolling on Aliexpress on my 60Hz monitor and 120Hz phone, and yeah that would be a very nice bump to go with 120. Considering that I may be able to use my PC much faster with #Tetent [gd0090], it might even be necessary. I haven't yet figured out a way to compare 90 and 120Hz on mobile yet though.
- Unlike the OLEDs, the 2 "antennas" is likely to just look like 2 cubes on top.
- I'm not sure if viewing angles of +/- 80 XY means that there's less light pointing at 0 degrees than the OLEDs which are +/- 30 degrees, but I may also need to collect light over an even wider area than the 52 * 52mm active area. The image will then need to be shrunk to 30mm or less before going into the beamsplitters.
- 2160 LCD
- This is the current proposed solution, but since there isn't a board that splits the MIPI output to 2 displays, the only solutions are to cough out my own board or buy 2 control boards. I'm not sure why, but the controller board looks the same as the ones used for other screens but seems to cost £50 more when the respective screen's price has been deducted.
- Thus, the price is something like £210. I'm going to have to ask about that controller price discrepancy.
- The visual image would only be the height of the body of my 15.6" monitor, which is 223mm, if viewed from 70cm away.
- (Mmmm 3 different units in the same sentence)
- Thus, 16:9 videos would look even smaller than they do now.
- 100 nits makes this the dimmest option out of them all
- 2880 MiniLED: https://www.alibaba.com/product-detail/3-2inch-2880RGB-2880-LCD-Modul_1600539433491.html
- Another Alibaba exclusive that runs at up to 90Hz.
- Only has 190 nits of brightness. It might be possible to beamsplit it for 95 nits.
- Currently seems to be £170, driver not included.
- Would have the largest FOV.
- Has the exact same amount of pixels as UHD.
- (added [17:45]) It's a Mini LED panel with a focused 20 degree viewing angle. I haven't seen a driver board for it though, so this panel might not even be an option.
- Quad 1440 for 2880 * 2880 (added [13:45])
- The ultimate in "Could it be done??" technology.
- Likely would require 2 cables.
- As nits = candelas per square metre, preceived brightness should be higher, as the images of individual panels would be focused to a smaller area.
- Fitting so many screens (and related optics and electronics) might be an aesthetic challenge.
- Blacks not as deep as OLED, and I wouldn't be suprised if colour accuracy is lower too.
- Obtains a larger image and framerate than the 2560 OLED.
- Costs £340
My initial thought is to make the CAD design somewhat option agnostic, so that if I initially planned to use one and then decided to use something different instead, I haven't hard-coded myself hours of rework. I'm also thinking of eliminating the 2:1 ratio options in favour of being able to switch from landscape to portrait desktops.
I have also finally found a video that has the black PLDC film option against light:
Discussions
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I've been holding my 4k monitor at 40cm such that I get 80ppd, and I couldn't shake the feeling that 2160 seemed small and / or crampt, with thought phrases like "kinda compressed" or "kiddy edition". Changed to 2560*1920 and exclaimed "WOAH. SO EXPANSIVE". Thus, it seems that the 2160 option has been downgraded to CanDoTheTaskIsh, which is lower than the minimum required level, CanDoTheTaskApp.
Are you sure? yes | no
If what I wrote in a comment last log is correct and I can usably beamsplit the 2160, it would be the most likely to work for the least cost. And CanDoTheTaskIsh is miles better than "CanDoTheTaskTheoretically" aka "it's a nice idea but I don't have anything that I can actually use in a reasonable time frame".
On that note, 2560 still seems to be leading as the best solution assuming I can order from Alibaba.
Quad 1440 has a lot of hurdles to overcome. For starters, one of the reviews said HDMI->DP doesn't work. I've been looking into MST hubs and solutions exist for 2 or 3 DP's through USBC. It wouldn't be too much of an ask to sheath 2 DP's and a USB cable into one larger cable. Then there's the size of all the optics. Get past those and I'd be left with a massive, 2880x2160, 120fps setup so the struggle is certainly worth it.
Are you sure? yes | no
Me, looking at [https://www.aliexpress.com/item/1005003483742763.html]: Man, why is the control board £90? That's one of the most expensive driver boards in this Aliexpress industry. Probably because it drives 2160 @ 90Hz. Understandable.
The listing: "Refresh Rate of driver board is 40HZ."
Me: car_crash.sfx [https://www.youtube.com/watch?v=9QQGbu9wrF0]
40Hz is going to ruin that entire run. 2160 at 90Hz requires 10Gbps and the Toshiba chip I found only does 7.2, so it's not like I could make a solution.
Are you sure? yes | no