PD035QX1 is a 3.5 inch diagonal a-Si TFT-LCD display screen product from PVI, with a built-in WLED backlight, without backlight driver, without touch screen. This PVI TFT-LCD is a 3.5 inch with Consumer Lcd Display, it have LCD Controller, Backlight Cable and Tft Color Screen. On the basis of latest version datasheet Ver5.0 which was released out on 2 18 2009, PD035QX1 supports display 240(RGB)×320 (QVGA) with aspect ratio of 3:4 (W:H), whose pixels are arranged in RGB Vertical Stripe. As for mechanical detail, it features active area of 53.64(W)×71.52(H) mm, outline size of 64(W)×85(H)×3.8(D) mm, viewing area size of 56.84(W)×74.72(H) mm, with surface treament of Antiglare, net weight of 38.8±4.0g. As a TN, Normally White, Transmissive LCM product, PD035QX1 can provides 450 cd/m² display brightness 400:1 transimissive contrast ratio, 75/75/50/60 (Typ.)(CR≥10) (L/R/U/D) viewing angle, best view direction on 6 o'clock , and response time of 15/25 (Typ.)(Tr/Td) ms. Gray scale or the brightness of the sub-pixel is determined with a 6-bit gray scale signal for each dot, thus presenting a palette of 262K colors, also with performance of color gamut 51% (NTSC). This product adopted 3S3P WLED as it's backlight systerm which was placed as Edge light type and have a working life time of 30K hours, external backlight driver is additionally needed. PD035QX1 utilizes CPU/RGB/SPI as it's signal inputting systerm, which connected by 50 pins FPC.