In order to fulfill all the requirements to show different modes and parameters we decided to make our own liquid crystal display.
It is designed and built on the well proved – FSTN technology with high visibility and contrast.
Technical data:
LCD type FSTN
Mode positive
Poarizer type transflective
View direction 12h
Connect type pin
Glass thickness 1.1mm
Working Voltage 3/5V
Multiplex level 32/5
Operating temp 0 – 50C
Storage temp
Content Digits/Symbols
Measures 114.3 x 27.94mm
num of symbols 149
backlight type LED multicolor
It was firstly designed with 5 multiplex lines but soon after receiving first samples it turned out that this is not suitable as there is no driver chips on the market with 5 multiplex lines so we redesign the LCD with 40/4 so the most common Phillips chip can drive it.