COG+PIN Black Segmented LCD Display ST7035 I2C
How COG Segment LCDs Work?
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Glass Substrate:
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The display is built on a glass panel containing liquid crystal cells.
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Integrated Driver:
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The driver IC is mounted directly on the glass, which controls the individual segments of the LCD. This eliminates the need for a flexible PCB (printed circuit board) or external wiring between the glass and the driver, reducing complexity.
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Polarization:
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The liquid crystals are aligned between two polarizing layers. When voltage is applied to the segments, the crystals align in a way that blocks or allows light to pass, creating the visible segments.
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Segment Configuration:
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The display typically includes a matrix of segments that can be activated or deactivated to form numbers, letters, or custom symbols.
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Detailed Parameters:
| Model number | GY88128-326 | LCD type | Segmented Display |
| Module size | 25.0(W)* 37.9(H)* 3.8(T) mm | Display mode | VA, Negative |
| LCD viewing area | 22.6(W)* 29.0(H) mm | Polarizer type | Transmissive |
| Operating temp. | -30~+70℃ | LED backlight | White |
| Drive method | 1/1 Duty, 1/2 Bias | Working voltage | 3.7V |
| Viewing angle | 6 O'clock | Connection Way | COG+PIN |
Advantages of COG Segment LCDs:
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Space-Saving:
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Compact design with integrated circuitry makes it ideal for devices where space is limited.
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Low Power Consumption:
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Highly energy-efficient, suitable for battery-operated applications.
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Enhanced Durability:
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More robust against mechanical stress compared to traditional displays with external driver ICs.
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Improved Aesthetics:
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Sleek design with fewer external connections, resulting in a cleaner look.
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Cost-Effective for Mass Production:
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Reduced complexity in assembly due to the integration of the driver IC on the glass.
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1. Q: What products can you provide?
A. 1) Custom Segment LCD Display;
2) Monochrome Graphic/Dot Matrix LCD Display Modules;
3) Micro OLED Display Modules;
4) Color TFT LCD Display Panels;
5) LED Backlights.
2. Q: What is the process for custom samples?
A: Send inquiry -- Offer quotation -- Confirm quotation & Pay tooling charge -- Provide drawing -- Confirm drawing -- Make tooling & samples -- Samples finished -- Delivery via freight or sea collect.
3. Q: How long can I get the custom samples?
A: Different product types will take different times. Usually, it will take about 30-35 days.
4. Q: Can I get free samples?
A: We would like to provide 3-10 pcs free samples after tooling.
5. Q: What is the minimum order quantity?
A: MOQ mainly depends on LCD sizes.
6. Q: How long is it for mass production?
A: Usually 35-45 days, it depends on your part number.
7. Q: How do you control the quality of products?
A: All products are 100% inspected before shipment.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.