ELECTRO-OPTICAL CHARACTERISTICS 1. TN TYPE (Twisted Nematic) ITEM SYMBOL CONDITION MIN TYP MAX UNIT NOTE ∅2-∅1 K K=1.4 ∅=25° θ=0° ∅=25° θ=0° ∅=25° θ=0° 20 6 - - DEG. - 1,2 3 - 150 250 mS 4 - 150 250 mS 4 SYMBOL CONDITION MIN TYP MAX UNIT NOTE ∅2-∅1 K K=1.4 ∅=25° θ=0° ∅=25° θ=0° ∅=25° θ=0° 40 9 - - DEG. - 1,2 3 - 250 400 mS 4 - 200 250 mS 4 VIEWING ANGLE CONTRAST RATIO RESPONSE TIME (RISE) tr RESPONSE TIME (FALL) tf 2. STN TYPE (Super Twisted Nematic) ITEM VIEWING ANGLE CONTRAST RATIO RESPONSE TIME (RISE) tr RESPONSE TIME (FALL) tf Z(∅=0°) ∅2 K ∅1<25°<∅2 ∅1 Y1(∅=180°) 1.4 X´ X ∅1 Y(θ=0°) NOTE1. Definition of angle ∅ and θ 25° ∅2 NOTE2. Definition of optical response Brightness of non-selected dot (B2) K= Brightness of selected dot (B ) 1 Brightness curve of non-selected dot B1 Driving Voltage (V) NOTE3. Definition of contrast ‘K’ ON 10% OFF 100% 90% ON B2 Brightness Brightness (%) Brightness curve of selected dot tr tf NOTE 4. Definition of optical response Page 4