►Size:8.9 inch
►Resolution :3840x2400 dots
The DBM089L4K01 is an 8.91-inch QHD mono LTPS TFT-LCD module designed for high-resolution 3D printing applications, including resin-based SLA/DLP systems and professional 3D printer control interfaces. With a native 3840 × 2400 resolution, 50 × 50 μm pixel pitch, normally black display mode, and optical characteristics specified at 405 nm, this FOG-structure LCD module provides the high pixel density and optical performance required for advanced 3D printer display systems.
Developed by Shenzhen Aptus Technology Co., Limited, the DBM089L4K01 combines LTPS TFT technology, compact mechanical dimensions, a –20 °C to +70 °C operating temperature range, and a dedicated ST5892B driver IC. Its 202.0 × 133.0 mm panel size provides an integration-friendly form factor for professional 3D printer designs where display resolution, optical performance, reliability, and mechanical space are important considerations.
For manufacturers developing SLA, DLP, resin, LCD 3D printers, professional desktop printers, and precision additive manufacturing equipment, this 8.9-inch mono LCD module provides a specialized display platform for detailed user interfaces, printer status information, model visualization, exposure parameters, and other machine-control functions.
The DBM089L4K01 is engineered around the requirements of professional display integration rather than general consumer electronics. Its major characteristics include:
With 3840 × 2400 pixels, the module provides substantially more image detail than conventional lower-resolution LCD panels in a similar size class. The 50 × 50 μm pixel pitch supports fine rendering of text, graphical elements, model previews, parameter menus, and other detailed interface content.
For a 3D printer manufacturer, high resolution can be particularly useful when the display must present dense technical information within a compact control-panel area.
The panel uses Low-Temperature Poly-Silicon (LTPS) TFT technology and a mono black-and-white configuration. LTPS technology is well suited to compact, high-resolution display architectures where pixel density and efficient panel design are important.
The monochrome configuration also makes the module particularly relevant to specialized 3D printing equipment requiring a dedicated mono display architecture.
The DBM089L4K01 provides optical specifications referenced to 405 nm, including a contrast ratio of ≥300:1 and FOG transmittance of 6.6% without APF and Haze.
This characteristic makes the module relevant to 3D printing equipment based around 405 nm optical systems, although final optical integration should always be validated against the customer's specific UV light source, optical stack, exposure architecture, and mechanical design.
The normally black configuration provides a dark default display state and supports high-contrast graphical presentation for suitable monochrome interfaces. This can help create clear menus, parameter displays, progress indicators, and technical graphics.
The specified operating temperature range is –20 °C to +70 °C, while the storage range is –20 °C to +80 °C.
This temperature capability gives system designers greater flexibility when integrating the display into professional workshop, manufacturing, and equipment environments.
| Item | Specification |
|---|---|
| Model | DBM089L4K01 |
| Display Type | Mono Black & White LTPS TFT-LCD |
| Structure | FOG |
| Diagonal Size | 8.91 inch |
| Resolution | 3840 × 2400 pixels |
| Resolution Class | QHD |
| Active Area | 192.0 × 120.0 mm |
| CF Size | 202.0 × 127.0 mm |
| Panel Size | 202.0 × 133.0 mm |
| Pixel Pitch | 50.0 × 50.0 μm |
| Display Mode | Normally Black |
| Contrast Ratio | ≥300:1 |
| Optical Test Wavelength | 405 nm |
| FOG Transmittance | 6.6% |
| APF / Haze | Without APF & Haze |
| Driver IC | ST5892B |
| Frame Frequency | 40 Hz |
| Operating Temperature | –20 °C to +70 °C |
| Storage Temperature | –20 °C to +80 °C |
| Border L/R/U/D | 5.0 / 5.0 / 3.0 / 4.0+6.0 mm |
| Application | 3D Printing and Specialized Equipment |
Specifications are subject to the applicable product datasheet and engineering revision. Please contact Aptus for the latest technical documentation before mass production.
The DBM089L4K01 is designed with defined TFT gate, common-electrode, I/O, and liquid-crystal driver supply requirements. The following values are specified at Ta = 25 ± 2 °C.
| Electrical Parameter | Symbol | Value | Unit |
|---|---|---|---|
| TFT Gate ON Voltage | VGH | +8 | V |
| TFT Gate OFF Voltage | VGL | –8 | V |
| TFT Common Electrode Voltage | VCOM | –0.42 | V |
| I/O Supply Voltage | IOVCC | 3.3 | V |
| LC Driver Positive Supply | VSP | +6 | V |
| LC Driver Negative Supply | VSN | –6 | V |
Engineering note: VCOM should be optimized by the customer according to the actual system configuration to achieve the required contrast and minimize crosstalk. The absolute maximum LC operating voltage is 5.0 V. System designers should follow the latest Aptus datasheet and electrical integration recommendations when developing the driver architecture.
A professional 3D printer is more than a mechanical platform and light engine. Its display is an important human-machine interface between the machine and the operator.
During printing, users may need to review model information, layer progress, exposure parameters, temperature information, print duration, machine status, error notifications, and configuration menus. A high-resolution display allows more information to be presented within a compact interface.
For manufacturers, the DBM089L4K01 offers several potential advantages:
High information density: 3840 × 2400 resolution allows detailed graphical interfaces and technical information to be displayed on an 8.91-inch panel.
Compact integration: The 202.0 × 133.0 mm panel dimensions provide a practical form factor for enclosed 3D printer architectures.
405 nm optical specification: Optical characteristics are provided at 405 nm, making the panel relevant to UV-based resin printing equipment where this wavelength is part of the system architecture.
Professional temperature range: Operation from –20 °C to +70 °C supports a broad range of equipment environments.
Mono display architecture: The black-and-white configuration is suitable for specialized machine interfaces where monochrome visualization is preferred.
Engineering-oriented design: Defined electrical, mechanical, optical, and environmental specifications simplify the evaluation process for display engineers and equipment manufacturers.
The DBM089L4K01 can be evaluated for SLA printer control systems that require a high-resolution mono display. The 405 nm optical specification is particularly relevant when designing around UV resin printing architectures using 405 nm light sources.
Typical interface content can include print status, exposure settings, layer information, model previews, and machine parameters.
Professional resin-based printers often require compact but information-rich user interfaces. The high pixel density of this 8.91-inch QHD panel allows manufacturers to develop detailed graphical interfaces while maintaining a relatively compact control-panel footprint.
For professional desktop additive manufacturing equipment, the display can serve as the primary machine interface or as a dedicated secondary display for system information.
The wide operating temperature specification provides additional flexibility for equipment deployed in workshops, laboratories, prototyping environments, and production areas.
The module can also be considered for specialized additive manufacturing equipment requiring a dedicated monochrome display architecture.
Its combination of QHD resolution, LTPS TFT technology, compact dimensions, and defined environmental specifications makes it suitable for engineering evaluation in customized equipment platforms.
When integrating a mono LCD module into a 3D printer, engineers should evaluate more than resolution alone.
Because the product provides optical characteristics at 405 nm, the complete optical stack should be evaluated together. The UV source, LCD module, protective layers, optical films, distance, and mechanical structure can all influence the final system performance.
Although the module has a specified operating range of –20 °C to +70 °C, the actual temperature around the LCD should be evaluated during continuous printer operation. Heat generated by UV light sources, LED arrays, electronics, and enclosed printer structures can affect system temperature.
The 202.0 × 133.0 mm panel size and border dimensions should be considered during enclosure development. Mechanical drawings and FPC-related information should be reviewed before tooling or mass-production design.
VGH, VGL, VCOM, IOVCC, VSP, and VSN should be evaluated against the customer's display driving architecture. VCOM optimization may be required for the target system to achieve the desired contrast and crosstalk performance.
Shenzhen Aptus Technology Co., Limited is a display technology company providing LCD and display solutions for professional equipment manufacturers and specialized applications.
Aptus works with customers on display selection, technical evaluation, customization, and integration. Its product portfolio includes TFT-LCD modules, mono LCD solutions, touch panel solutions, display accessories, and customized display assemblies for different equipment requirements.
For specialized 3D printing applications, engineering considerations can extend beyond simply selecting an LCD panel. Optical characteristics, UV wavelength compatibility, mechanical dimensions, driver requirements, thermal conditions, FPC configuration, touch integration, and enclosure design may all influence the final solution.
Aptus therefore supports customers through the product evaluation and engineering process, helping manufacturers determine whether a specific display module is appropriate for their system architecture.
For B2B customers, technical documentation and project-specific requirements can be reviewed during the sample evaluation and development stages.
The DBM089L4K01 has a native resolution of 3840 × 2400 pixels, providing QHD-class resolution in an 8.91-inch mono LTPS TFT-LCD module.
Yes. The module is specifically positioned for 3D printing applications, including professional resin-based printing systems and specialized 3D printer equipment.
The product provides optical specifications measured at 405 nm, including ≥300:1 contrast ratio and 6.6% FOG transmittance without APF and Haze. Final compatibility should be validated with the customer's complete optical and UV exposure system.
The pixel pitch is 50.0 × 50.0 μm, supporting high-density image and graphic rendering.
The active area is 192.0 × 120.0 mm, while the overall panel size is 202.0 × 133.0 mm.
The specified operating temperature range is –20 °C to +70 °C. The storage temperature range is –20 °C to +80 °C.
The DBM089L4K01 uses the ST5892B driver IC.
The specified frame frequency is 40 Hz.
Yes. Customers can discuss project-specific requirements such as mechanical integration, optical matching, FPC configuration, display driving, and other customization requirements with the Aptus engineering team.
If you are developing a SLA, DLP, resin, or professional 3D printer and need an 8.9-inch high-resolution mono LCD module, the DBM089L4K01 is a strong candidate for engineering evaluation.
Aptus can provide technical information for qualified B2B projects, including product specifications, mechanical drawings, electrical information, sample evaluation support, and project-specific engineering consultation.
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