CAS
Custom Monochrome LCM for CAS Electronic Scale
A high-reliability STN monochrome LCM solution developed for world-leading weighing equipment manufacturer.
Project Overview
Jictech successfully developed and manufactured a custom monochrome LCM for CAS Corporation, a global leader in industrial and commercial weighing equipment. The project required a reliable display module for integration into electronic scales with strict performance standards across diverse operating environments.
Industry: Industrial Weighing / Retail Scale
Display Type: STN Blue Monochrome LCM
Application: Electronic Price Computing Scale
Customer Requirements
Wide operating temperature range: Supports -20℃ cold storage and +70℃ high-temperature environments
High display quality: Numerals are clearly readable under strong light and backlighting
Long-term supply of driver ICs: Avoids the risk of key component production stoppages
Compact structure: Adapts to the limited internal space of electronic scales
Low power consumption: Compatible with battery-powered versions
Engineering Challenges
Jictech Engineering Solutions
Upgraded from NT7108 to SBN0064G / SBN6400G with full pin compatibility – no hardware redesign required for CAS.
Provided complete initialization code and timing reference to accelerate customer validation.
Custom STN fluid formulation, negative mode (blue background, white characters), 1/48 Duty, 1/7 Bias.
Operating temperature -20℃ ~ +70℃, storage temperature -30℃ ~ +80℃ – ensures stable display in cold storage and outdoor applications.
Dual backlight: 3 pcs 3020 white LEDs per channel, total current IF = 45mA × 2, VF = 3.2V.
Optimized light-guide plate microstructure for highly uniform area illumination.
Connector: MOLEX 5267-06A
| Symbol | Function |
|---|---|
| GND | Power ground |
| VDD | Logic supply 3.3V |
| STCP1 | Serial latch control 1 |
| STCP2 | Serial latch control 2 |
| DS | Serial data input |
| SHCP | Shift clock input |
Design drawings
Product Specifications
| Parameter | Specification |
|---|---|
| Display Type | STN (Blue), Transmissive, Negative |
| Operating Voltage | VDD = 3.3V, VCLD = 10.5V |
| Drive Mode | 1/48 Duty, 1/7 Bias |
| Operating Temp. | -20℃ ~ +70℃ |
| Storage Temp. | -30℃ ~ +80℃ |
| Viewing Direction | 6 o‘clock |
| Backlight | 3 LEDs × 2 (3020 White), IF=45mA×2, VF=3.2V |
| Driver IC | SBN0064G / SBN6400G (upgraded from NT7108) |
| Connector | MOLEX 5267-06A |
| Module Thickness | 12.0mm MAX |
| Customer P/N | G20044A1SGW6B-B0 |
Project Results
Successfully integrated into multiple CAS scale models, cumulative shipments exceeded 120K units
Field return rate reduced by 42% compared to previous generation
CAS production first-pass yield reached 99.2%
Driver IC migration ensures 5+ years of continued supply
Long-term strategic cooperation established, follow-up projects in progress
Ready to Bring Your Display Project to Life?
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