Albeit Twisted Nematic Lcds may be determined in a period multiplexed design to build the measure of data showed, they are limited regarding diminished complexity and constrained viewing angle. To attain all the more very multiplexed showcases, super twist technology is utilized!
Super Twisted Nematic LCD 's have a twist that is more noteworthy than 90 yet short of what 360 degrees. Right now, most STN showcases are made with a twist somewhere around 180 and 270 degrees... The higher twist angles cause steeper edge bends which put the on and off voltages closer together. The steeper limits permit multiplex rates more noteworthy than 32 to be attained!
In this sort of showcase, the LC material experiences a more noteworthy than 90° twist from plate to plate; regular qualities range from 180 to 270°. The polarizers for this situation are not mounted parallel to the LC at the surface yet rather at some angle! The cell, hence, does not take a shot at a light 'managing' standard, as in Twisted Nematic Lcds, yet rather on a birefringence guideline! The position of the polarizers, the cell thickness, and the birefringence of the LC are precisely decided to bring about a specific color in the 'off' state. Generally, this is a yellow-green to boost the differentiation proportion! The LC in the cell is 'super twisted' that will provide for it the capacity to utilize a high multiplex rate! As the twist is expanded, the LC atoms amidst the layer are adjusted to the connected electric field by littler changes in voltage. This offers climb to an extremely steep transmission versus voltage bend, permitting up to 240-line multiplexing!
The STN technology comes in two colorations: "Green STN" and "Silver STN". The STN-Green has Dark Violet/ Black characters on a Green foundation. The STN-Silver has Dark Blue/ Black characters on a Silver foundation. It is amidst the street the extent that cost, yet has great visual quality! The complexity is like TN technolog
--TEKSWO Display (Chimei Innolux TFT LCD Display Distributor)
