Sharp LL-191A-B: 16ms Response Time for 19'' LCDs

Subjective Analysis

DisplayMate/CheckScreen/VESA FPDM 2.0
Test	Monitor	Observations
Intensity range check	191A (analog)	5
	2001FP (digital)	5
	2001FP (analog)	5, Good
Black level adjustment	191A (analog)	4.5
	2001FP (digital)	4.5
	2001FP (analog)	4.5, Acceptable
Defocusing, blooming and halos check	191A (analog)	5, None
	2001FP (digital)	5, None
	2001FP (analog)	5, None
Screen uniformity and color purity	191A (analog)	5, Very Good
	2001FP (digital)	4.5+
	2001FP (analog)	4.5+, better than 192T, but still small imperfection on upper right
Dark screen (Glare Test)	191A (analog)	4, Good, Blue tint?
	2001FP (digital)	4.5
	2001FP (analog)	4.5, Improvement over 1702FP and 192T
Primary colors	191A (analog)	4, fixed with OptiCal
	2001FP (digital)	4
	2001FP (analog)	4, attempted to fix curves with OptiCal
Color Scales	191A (analog)	4.5, Good
	2001FP (digital)	4, red errors
	2001FP (analog)	4, red errors
16 intensity levels	191A (analog)	4.5
	2001FP (digital)	4.5+
	2001FP (analog)	4.5+, Improvement over the 192T 5, Level (for LCD)
Screen regulation	191A (analog)	5, Good
	2001FP (digital)	5
	2001FP (analog)	4.5
Streaking and ghosting	191A (analog)	4, Surprisingly clean, but present
	2001FP (digital)	5, None
	2001FP (analog)	3.5, Extremely present at 1600x1200. Analog signal is not capable.

Overall, the DisplayMate portion of this review rated the LCD very highly. This is fairly unexpected because we saw a slight blue hue when operating the monitor under normal usage. The only real test where we saw issues with the blue tint was on the dark screen test (where we power on the monitor, but keep a completely black image on the screen). The Dell 2001FP scored better, but that is because it has a slightly duller display.

Perhaps the most shocking surprise was the interference test (Streaking and Ghosting). Although we could clearly spot interference due to the sole analog connector, it was considerably less compared to our Dell 2001FP or Samsung 193P. We still do not recommend a D-sub solution over a DVI one, but Sharp does hold the honor of displaying the cleanest analog signal of any LCD monitor that we have seen to date.

One test that we do not list up on the screen is viewing angle. The specifications for the monitor claim a 160 degree viewing angle, but from our tests, we concluded it was much less than that, at least vertically. Side-to-side experienced the full 160 degree viewing angle benefit. Most users will not experience a difference in the vertical angle, but the shallow angle becomes very apparent when you stand up and look down at the LCD.

Below are two MPEGs showing the changing viewing angle. You will notice the colors on the 191A begin to get inverted before we are viewing them at a 45 degree angle. The same shot is taken with the Dell 2001FP for comparison. The colors on the Dell stay fairly consistant.

Sharp LL-191A	Dell 2001FP
Click to play video.