I've always read that LCDs work like electronic venetian blinds, letting light through or blocking it and thus producing various readouts on 7-segment or matrix displays. But I was just looking at my GLX-5500 from a very oblique angle, and I've noticed something I've never seen before: if you look from precisely the right angle, the two blinking dots (I've got a chronograph running) are not steadily blinking in a 1-second rhythm; instead, it looks as if there is a short energy peak (let's say 0.1s in duration) every time the dots light up AND when they disappear, i.e. twice per second. Furthermore, during the time when the dots are either on or off, you can't tell whether they're on or off from that particular angle, you just see those energy peaks when they change their state. The same goes for the segments that make up the seconds, the tenths are only noticeable when there is a change every ten seconds, and the hundredths display is very busy.
I hope my explanation makes sense. And my question: is this consistent with a characteristic of LCD operation that is too technical to be included in those general explanations? What is actually going on?