Color Platforms for Top Hat/XCSoar

On Thursday, May 31, 2018 at 1:23:30 PM UTC-6, wrote:
On Thursday, May 31, 2018 at 1:54:39 PM UTC-4, Richard Pfiffner wrote:
On Thursday, May 31, 2018 at 9:52:08 AM UTC-7, wrote:
On Thursday, May 31, 2018 at 12:44:45 PM UTC-4, Richard Pfiffner wrote:
On Thursday, May 31, 2018 at 9:26:55 AM UTC-7, Ben Hirashima wrote:
On Sunday, May 27, 2018 at 6:52:40 PM UTC-7, Mike C wrote:
I have a Galaxy 5S with an AMOLED screen which is supposed to be great in direct sunlight, but it is not nearly as visible in direct sunlight as my sold Streak was. Are the LCD screens any better? Are the newer AMOLD screens better than the earlier generation AMOLD screens?

Yes, newer AMOLED screens are definitely brighter. They get brighter and brighter every year, and they are certainly brighter than LCD screens.

Screen Brightness has little to do with sunlight readability. A very bright backlight will make a Poor screen sort of readable in the sun.

True Sunlight readable displays have a very high contrast ratio, and two specialized coatings anti-glare and anti-reflective. If a display has these features brightness is not a factor.

Richard
www.craggyaero.com

Uh? Suppose that the light coming from the screen is at level 1000 in the white areas and 1 in the black areas. Good contrast in a dark room. Now add 10,000 units of sunshine. If the screen reflects even only 10% of that, the "black" areas are now 1001 and the white areas 2000 - contrast gone to hell. Brightness matters.

That's why I'm using a device with an e-ink purely-reflective display: in that case, more incident light does not change the contrast at all.

moshe,

I have been building flight computers since 2008. The Craggy Aero Ultimate, Ultimate Le, Ultimate Le 57. My first sale was to a customer that saw the display in my glider, the display was in the shade no direct sunlight, colors looked great. Then he said turn the glider so the sun is on the screen. I turned the glider and there was a shade line from the panel cover on the panel but it was not seen on the display. Then I turned down the backlight little change, shade line still not visible on the display. A true sunlight readable display. It has the following specifications extremely high contrast ratio, two specialized coatings and an adjustable backlight. Brightness matters but as not much as you think, the glare and the reflection is the biggest problem.

Richard
www.craggyaero.com

Is your display reflective? I.e., if you were to turn the backlight completely off and shown a flashlight on it, could you see the info on the screen clearly? Then that's not what I am talking about. Rather, I am talking about display types that have no backlight but rather each pixel generates its own light. I believe all recent model cellphones are like that. With enough ambient light, these displays lose contrast.

Took a chance and bought a Sony Xperia Z3 as it was suggested to be very good in direct sunlight. It does work very well and is equivalent to my wife's Samsung S8+. Open box new for $130.00. Thank you everyone for advice and info.

Mike

Im vry happy with mine, though I made the mistake of buying a Z3 compact, a smaller model, something to watch for.
The compact are model numbers 5xxx wheras the larger units are 6xxx.
Battery life tests have shown I can get about 9 hours at full brightness, which must be selected in settings.

On Monday, June 4, 2018 at 9:10:09 PM UTC-6, wrote:
Im vry happy with mine, though I made the mistake of buying a Z3 compact, a smaller model, something to watch for.
The compact are model numbers 5xxx wheras the larger units are 6xxx.
Battery life tests have shown I can get about 9 hours at full brightness, which must be selected in settings.

Flew with the Z3 for the first time today, under streets and through blue holes-really an excellent modern and affordable device.

Enthusiastically recommend it.

Mike.