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A Member of the
ITW Confidential
Date
Title
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CONFIDENTIAL: All contents copyright of Illinois Tool Works, Inc. (ITW). The ITW Photonics Group, Lumex, Cal Sensors and Opto Diode logos are registered trademarks of ITW, Inc. Copyright © 2010, all rights reserved..˙
InfoVue™
Field Sequential Color (FSC) LCDs
Product Training Guide
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InfoVue™ FSC family of color alphanumeric LCD displays, are a cost-effective alternative for monochromatic devices looking to transition to color.
• Help drive brand differentiation
• Provides affordable color integration
• Manufacturing process reduces costs and speeds time to market
Transitioning To Color
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One frame is divided into 3 sub-frames.
Each sub-frame is corresponding with a RGB color from a pulse-width modulated RGB backlight.
LCD segment is ON or OFF at each sub-frame.
Each sub-frame will be “merged” and seen with different colors.
Synchronization between LCD ON-OFF (response time) and RGB backlight driving is critical to get good colors.
Eye
Retina
Time
ABC
1 Frame
ABC1/3 Frame
R
ABC1/3 Frame
B
ABC1/3 Frame
G
B-LEDG-LEDR-LED
How It Works
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Normal White Normal Black
8 Color R G B R G B
White 0 0 0 1 1 1
Yellow 0 0 1 1 1 0
Pink 0 1 0 1 0 1
Red 0 1 1 1 0 0
Cyan 1 0 0 0 1 1
Green 1 0 1 0 1 0
Blue 1 1 0 0 0 1
Black 1 1 1 0 0 0
• A single chip of COG driver IC integrated with backlight PWM driving.
• Display and backlight driving is synchronized better.
• Simple software programming for customer to get respective colors.
LCD Panel
ST7045
COM1
SEG1 SEG320
SC
L
CS
RE
S
SD
A
VD
DI
VD
DA
VS
S
CA
P5
P
CA
P1
N
CA
P1
P
CA
P3
N
CA
P3
P
CA
P2
P
CA
P2
N
CA
P4
P
C1
VO
UT
VD
DA
C2 C3 C4 C5 C6
MCU Inteface
SC
L
CS
RE
S
SD
A
VD
DI
VD
DA
VS
S
LEDR
LEDG
LEDB
VLED
R1 R2 R3
LEDRLEDGLEDB
V0 V1
V2
V3
V4
C7 C8 C9 C10 C11
Music Control
FSC Driver: Sitronix ST7045
COG Type FSC-LCD
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Primary Color Options
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Secondary Color Options
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Mixed Color Options
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Backlight blinking to show “red alert” or switching between different backlight colors.
7 colors on segment with white background.
Black segments on 7 colors background.
Color Background Options
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• TN Positive, transmissive and statically-driven• Provides consistent performance in temperatures
ranging from -20˚C ~ +60˚C• Available in custom sizes ranging from 1” squared to 5”
squared• No Brightness Enhancement Film (BEF) Required• Integrated Backlight PWM with Display Driver IC• Fast Response Time • Low Power Consumption• High contrast (CR > 80:1 )• High transmission (> 25%)• Wide viewing angle (> 150 degree)
InfoVue™ FSC LCD Product Features
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Compatible with standard LCD drivers, InfoVue™ FSC Technology is ideal for a wide range of display applications and markets:
APPLICATIONS• Microwave displays• Portable medical monitors• Clocks and stereo displays• Refrigerator displays• Commercial smart meter
energy controls• Motor drive controls
MARKETS• Personal Electronics• Appliances• Medical Devices• Industrial Controls
Applications / Markets
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Thank You
DOWNLOAD Lumex InfoVue™FSC LCD Technology Product Sell Sheet
CLICK HEREto view full Lumex Press Release