128x64 Monochrome LCD Display | COG Screen for Medical and Industrial Use |
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| Display Type | DFSTN/NEGATIVE |
| Operating Voltage | VDD:2.8V, Vlcd:9V |
| Drive Mode | 1/64D,1/9B |
| Viewing Direction | 3:00 |
| Polarizer Type | TRANSMISSIVE |
| Connector | COG/ST7567A |
| Module Size | 26.7*19.26*2mm |
| Active Area | 21.744*10.86mm |
| Dots | 128*64 |
| Operating Temperature |
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| Storage Temperature | -30℃ ~ +80℃ |
This 128x64 COG DFSTN LCD features a transmissive polarizer, ST7567A driver, and ultra-compact 21.74 × 10.86mm display area, delivering clear white-on-purple contrast. Optimized for handheld medical devices, portable industrial testers, and wall-mounted smart home panels.
This 128x64 dot matrix DFSTN LCD module offers sharp white characters on a light purple background, providing high contrast and excellent readability even in dim environments. Built with COG structure and ST7567A driver IC, it ensures stable performance with low power consumption — perfect for portable and battery-operated applications.
Display Type: DFSTN, Negative (White on Purple)
Resolution: 128×64 dots
Driver IC: ST7567A (COG)
Operating Voltage: VDD: 2.8V | VLCD: 9V
Operating Temp: -20°C ~ 70°C
Outline Size: 26.7 × 19.26 × 2 mm
AA Size: 21.744 × 10.86 mm
Viewing Direction: 3:00 (Right view)
Polarizer: Transmissive, great for backlight usage
Application
The module is ideal for compact medical devices that demand clear visibility and low voltage operation. The gentle purple background with crisp white text ensures eye-friendly readout for elderly or low-light use cases.
With an operating range down to -20°C, the display performs reliably even in rugged environments. Its transmissive polarizer supports strong backlighting, making it readable outdoors and in dark panels.
Perfect fit for wall-mounted thermostats or smart switches, where modern color schemes and compact displays are preferred. The module delivers a sleek UI look with low power draw — ideal for always-on screens.
Small form factor makes this module ideal for wearables, timers, or pedometers, where space-saving and battery efficiency are essential. The display offers crisp visibility without glare.
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The mono LCD display with FSTN/POSITIVE display type offers a reliable and versatile visual solution for Industrial Control. With its wide operating temperature range, efficient driving mode, and transmissive polarizer, this display ensures clear monochromatic content and optimal visibility. The PIN connector provides a secure and durable connection, while the compact module size allows integration into devices with limited space. Whether used in industrial equipment, medical equipment or consumer electronics, the display can provide reliable and high-quality visual effects, thus enhancing the overall user experience. |
| What is a mono lcd? |
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A mono LCD, short for monochrome LCD, is a type of liquid crystal display that can only display one color. Typically, this color is either black, white, or various shades of gray. Monochrome LCDs are commonly used in devices that do not require color displays, such as digital watches, calculators, and some industrial equipment. Mono LCDs work by using liquid crystals that change their orientation in response to an applied electric field. The orientation of the crystals affects the amount of light that is able to pass through the display, creating the images and text that appear on the screen. Because monochrome LCDs only need to display one color, they are simpler and less expensive to manufacture than color LCDs. Despite their limited color capabilities, monochrome LCDs have several advantages over other types of displays. They typically consume less power than color displays, which makes them well-suited for battery-powered devices. They are also generally more durable and have longer lifespans than other types of displays, making them a popular choice for industrial and military applications where reliability is crucial. In summary, a mono LCD is a type of display that can only display one color, typically black, white, or shades of gray. They are commonly used in devices that do not require color displays and have several advantages over other types of displays, including lower power consumption and increased durability. |
Our Products
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We are specialized in LCD display, including mono LCD module,TFT module and AMOLED module, which is the high and new tech enterprises in the country with the independent research and development, manufacturation and sales. It has developed as the excellent one of the medium and small-size field display terminal suppliers. We have been focused on customized TN/STN/FSTN/VA monochorome displays,as well as small to medium sized TFT displays and oled displays for about 17 years.
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Product Application
Applications of Monochrome Displays:
Widely used in industrial control, smart home control systems, onboard instruments, official equipment displays, and mobile payment terminals. We also provide customized product family designs tailored to specific customer needs.
Applications of AMOLED Displays:
Ideal for smart wearables and children’s educational devices, offering high contrast, vibrant colors, and ultra-thin form factors.
Applications of TFT Displays:
Commonly applied in smart wearables, educational devices for children, smart home systems, industrial control, medical equipment, and mobile payment devices, thanks to their rich color performance and flexible interface options.
Manufacturing Capacity
We currently operate two specialized monochrome LCD production lines, alongside more than a dozen fully automated COG assembly lines, and offer comprehensive in-house capabilities for COB processing and CTP full lamination.
Backed by a professional R&D team, a strict quality control system, and a highly efficient execution and management team, we uphold a pro-innovation corporate culture that drives continuous improvement in technology and processes.
As a direct manufacturer based in China, we combine competitive pricing with scalable production capacity to support large-volume orders while ensuring consistent quality. All our products comply with international standards, and are widely exported to Europe, North America, and other global markets.
We are committed to exceeding customer expectations through on-time delivery, customization support, and reliable product performance.
| LCD：2production lines 、370mm*470mm panel、production capacity 60K/Mark/M |
| COG: 13 all-automatic production lines、0.5'' -8”modules、production capacity 5KK/M |
| COF：2 all-automatic production lines、 0.7”-7”modules、production capacity 500K/M |
| Team：800people in total, 60technicians,80 people in quality department. |
Quality Assurance
| Reliability Test Equipment: 17 |
| Quality Inspection Equipment: 230 |
| Quality Assurance System: MES system, ERP system |
MES Quality Process Flowchart
A MES (Manufacturing Execution System) quality process flowchart provides a clear and structured visualization of each step in the manufacturing process—from raw material intake to final product delivery—with an emphasis on quality assurance at every stage.
By integrating real-time data, process tracking, and standardized inspection points, the MES quality flowchart helps to streamline production, reduce errors, and ensure product consistency.
Ultimately, it enables manufacturers to maintain operational efficiency, improve quality traceability, and achieve higher customer satisfaction through a more controlled and transparent production workflow.
The Honor of Enterprise
Thanks to our innovation-driven development strategy, HEM has consistently pushed the boundaries of the display industry. Our pursuit of excellence has earned us numerous honorary titles and certifications, including:
ISO 9001 Quality Management System Certification
ISO 14001 Environmental Management System Certification
Director Unit of the Shenzhen Smart Wearable Device Industry Association
Member of the National Medical Device Industry Association
National High-Tech Enterprise Recognition
These recognitions reflect our strong capabilities in R&D, manufacturing, and sustainable development, and further solidify our reputation as a trusted partner in the global display technology market.
Location
Shenzhen Operation Center
Jiangxi Manufacturing Center
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Jiangxi HEM Technology Co.Ltd.was incorporated in 2016 and finds its headquarters in Wanzai of Jiangxi Province. |
Looking ahead
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Huaersheng invested 106,667 square meters display industrial park in 2022,which has the floorage of 12000 square matres. Park planning: 2 panel production lines of 370mm*470mm, 6full-automatic AMOLED production lines,30 COG full-automatic AMOLED production lines. |
FAQ
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Q1: Can I get a custom LCD module based on my product design? Q2: What are the lead times for sample and bulk orders? Q3: Do you have a minimum order quantity (MOQ)? Q4: What kind of quality assurance do you provide? Q5: What applications are your monochrome LCDs suitable for? Q6: Which driver ICs do you support? Q7: What is your warranty policy? Q8: Can I request technical drawings or 3D files for design integration? |
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