EDS139 5V 6 Digit 7 Segment LCD Display Screen Static Driving TN Positive Display With White/Non Backlight

Specifications Model EDS139Appearance Size 137 16x46 38x2 8mmVisual Area Size 130 56x31 5mmDisplay Mode TN positive displayPolaroi Type full transparentVisual Angle 6 O CLOCKConnection Type metal pinDriving Way staticDriving Voltage 5 0VOperation Temperature 30℃ 80℃Storage Temperature 40℃ 90℃Common Problem 1 The LCD screen has a reflective mode a semi transparent mode and a full transparent mode do not know what is the difference how to choose Reflection mode The lower polarizer is opaque so it cannot be used in backlight It is suitable for occasions with daytime or external light source The advantage is that the contrast is higher Full transmission mode the transmission rate is about 40 it must be used with the backlight otherwise the component or PCB under the screen will be seen the advantage is that the backlight brightness is high Semi transparent mode Between reflection and full transmission mode the transmission rate is about 30 It can be used if it is connected to the backlight It is more flexible 2 LCD segment code screen has static drive and dynamic drive how to distinguish Static drive There is only one common COM and each pixel is a separate electrode The advantage is that the display effect is better than that of the dynamic drive and the disadvantage is that there are many pins Dynamic drive More than 2 common COMs each electrode controls at least 2 or more pixels and requires time division scan mode drive 3 Can the LCD