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NL10276AC30-01A Datasheet(PDF) 2 Page - NEC |
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NL10276AC30-01A Datasheet(HTML) 2 Page - NEC |
2 / 32 page 2 NL10276AC30-01A Data Sheet EN0417EJ1V0DS00 STRUCTURE AND FUNCTIONS A color TFT (thin film transistor) LCD module is comprised of a TFT liquid crystal panel structure, LSIs for driving the TFT array, and a backlight assembly. The TFT panel structure is created by sandwiching liquid crystal material in the narrow gap between a TFT array glass substrate and a color filter glass substrate. After the driver LSIs are connected to the panel, the backlight assembly is attached to the backside of the panel. RGB (red, green, blue) data signals from a source system is modulated into a form suitable for active matrix addressing by the onboard signal processor and sent to the driver LSIs which in turn addresses the individual TFT cells. Acting as an electro-optical switch, each TFT cell regulates light transmission from the backlight assembly when activated by the data source. By regulating the amount of light passing through the array of red, green, and blue dots, color images are created with clarity. BLOCK DIAGRAM AMP AIF G R B G R B AMP Sync. Division HS/CS Vsync PLL Signal recognition LEDON LEDOFF LED00-12 SEL UP DOWN RESET VOLSEL OSDSEL DDCCLK DDCDAT WPRT BRTVOL DC/DC Converter VDD (+12 V) Timing Controller OSD CLK ON/OFF Sync. Sigma DC/DC Converter Inverter Luminance (on/off) VDDB (+12 V) GNDB GND H-Driver 3072 lines H: 1024 × 3 (R, G ,B) V: 768 LCD panel 768 lines Backlight LCD module I/F Board POWC VDD Note Frame is not connected to GND nor GNDB. |
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