поискавой системы для электроныых деталей |
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M4024 датащи(PDF) 9 Page - List of Unclassifed Manufacturers |
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M4024 датащи(HTML) 9 Page - List of Unclassifed Manufacturers |
9 / 11 page 8 Liquid Crystal Display Modules Transflective LCD Transflector bonded to the rear polarizer re- flects light from the front as well as enabling lights to pass through the back. Used with backlight off in bright light and with it on in low light to reduce power consumption. Transmissive LCD Without reflector or transflector bonded to the rear polarizer. Backlight required. Most com- mon is transmissive negative image. EL (Electroluminescent Lamp) backlight LED (Light Emitting Diode) backlight Features: EL: thin, inverter required LED: long service life, low voltage driving, no inverter required REFLECTIVE/TRANSFLECTIVE/TRANSMISSIVE LCD POSITIVE/NEGATIVE MODE TN TYPE/STN TYPE/FSTN TYPE STRUCTURE AND FEATURE OF LCD MODULE WITH BACKLIGHT POWER SUPPLY CFL (Cold Cathode Fluorescent Lamp) backlight Features: high brightness, long service life, inverter required Reflective LCD Reflector bonded to the rear polarizer reflects the incoming ambient light. Low power consumption because no backlight is required. Edge backlight type (G2446,G242C) (G321D,G649D) Backlight type Frame LCD CFL PCB Light guide PCB PCB CFL LCD LCD PCB EL or LED Frame Frame LCD module VDD VLC VSS VR GND + 5V VDD VLC VSS GND + 5V * VDD VLC VSS VR GND + 5V - 2V (min) VDD VLC VSS VR GND + 5V R1 R2 V0 VDD VSS GND + 5V Character modules (single power supply) LCD module LCD module LCD module LCD module Negative voltage Negative voltage G2446,G242C (Built-in DC-DC conv.) G321D, G324E and G649D Character Modules(Dual power supply) Y1206 and G1226 * Negative voltage should be variable for contrast adjustment. Note 1:Contrast can be adjusted by VR. Note 2:For module with backlight, power supply for backlight is necessary. light source reflected light reflector transmitted light transflector light source reflected light light source (backlight) light source (backlight) transmitted light Positive type Negative type Negative type (inverse image) (when data is inverted) TN STN FSTN (Background/dot color) Gray/Black White/Black Yellowgreen/Dark blue Gray/Dark blue White/Blue TN( Twisted Nematic) type is most conventional and economical. It is used for static drive LCD and low-duty drive LCD ( watch,calculator, etc.) STN (Super Twisted Nematic) type has a higher twist angle, and thus provides clear visibility and wider viewing angle. This is suitable especially for high-duty drive LCD. FSTN (Film Super Twisted Nematic) type utilizes RCF (Retardation Control Film) to remove the coloring of STN LCD. Thus FSTN type provides easy-to-read black-and-white display. |
Аналогичный номер детали - M4024 |
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Аналогичное описание - M4024 |
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