FSTN Positive Segment LCD for Air Purifiers
| Display Type | FSTN / Segment |
| Display Size | Customized |
| Display Mode | Positive / Transflective |
| Display Effect | Grey Background and Blue Letters |
| Application | Air Purifier |
| Backlight | White |
Explore custom FSTN LCD glass panels for digits, icons, text and graphics in meters, appliances and OEM equipment. Select the display layout, optical mode, connection and backlight configuration to suit your product.
DisplayMan supplies custom FSTN LCD Glass Panels for OEM products that require improved contrast, better readability and a cleaner monochrome display effect than standard STN LCD glass.
FSTN LCD glass is used in Graphic LCD, Dot Matrix LCD, higher-quality Segment LCD, medical devices, industrial controllers, instruments, meters, air purifiers, power equipment and embedded products.
FSTN is selected when readable text, icons, menus, symbols and pixel-based monochrome content matter more than the lowest possible cost.
Choose FSTN LCD Glass Panels when the product needs better monochrome readability and a cleaner background than standard STN, especially for Dot Matrix and Graphic LCD applications.
Explore six reference designs covering segment and graphic displays, with positive and negative modes and different backlight configurations.
| Display Type | FSTN / Segment |
| Display Size | Customized |
| Display Mode | Positive / Transflective |
| Display Effect | Grey Background and Blue Letters |
| Application | Air Purifier |
| Backlight | White |
| Display Type | FSTN / Dot Matrix |
| Display Size | Customized |
| Display Mode | Positive / Transmissive |
| Display Effect | Grey Background and Dark Purple Letters |
| Display Content | 240 × 128 Graphic |
| Backlight | White |
| Display Type | FSTN / Dot Matrix |
| Display Size | Customized |
| Display Mode | Positive / Transmissive |
| Display Effect | Grey Background and Blue Letters |
| Display Content | 128 × 64 Graphic |
| Backlight | White |
| Display Type | FSTN / Dot Matrix |
| Display Size | Customized |
| Display Mode | Negative / Transmissive |
| Display Effect | Black Background and White Letters |
| Display Content | 192 × 64 Graphic |
| Backlight | Green |
| Display Type | FSTN / Dot Matrix |
| Display Size | Customized |
| Display Mode | Negative / Transmissive |
| Display Effect | Blue Background and White Letters |
| Display Content | 128 × 32 Graphic |
| Backlight | White |
| Display Type | FSTN / Dot Matrix |
| Display Size | Customized |
| Display Mode | Positive / Transmissive |
| Display Effect | Grey Background and Black Letters |
| Display Content | 250 × 64 Graphic |
| Backlight | Red |
FSTN is often selected when standard STN readability is not enough. Selection starts from the display content, then optical mode, resolution, driving structure, connection and backlight.
| FSTN LCD Direction | Display Content | Display Effect | Typical Use |
|---|---|---|---|
| FSTN Segment LCD Glass | Fixed digits, icons and symbols | Grey background with dark or blue content | Air purifiers, meters, appliances and controllers |
| FSTN Dot Matrix LCD Glass | Pixel-based text, symbols and icons | Positive or negative display | 128×64, 192×64, 240×128 and related applications |
| FSTN Graphic LCD Glass | Menus, icons and simple graphics | Cleaner monochrome display effect | Industrial panels, medical devices and test equipment |
| Positive FSTN LCD Glass | Dark content on a light grey or grey-white background | Reflective, transmissive or transflective | Instruments, meters and control panels |
| Negative FSTN LCD Glass | Light content on a blue, dark-purple or dark background | Usually transmissive with backlight | Selected product designs and backlit interfaces |
| FSTN LCD Glass with Backlight | Improved indoor and low-light visibility | White, green, red or project-based backlight | Equipment panels, appliances and custom modules |
FSTN improves contrast and background appearance compared with standard STN. It should not be described as a universal “360-degree viewing” technology.
These are reference directions rather than fixed standard models. Final specifications depend on resolution, display content, glass outline, viewing area, connection, driving condition and backlight structure.
| Reference Type | Display Content | Display Mode | Display Effect | Backlight | Typical Use |
|---|---|---|---|---|---|
| FSTN Segment LCD Glass | Custom segment layout | Positive / transflective | Grey background with blue content | White | Air purifier, appliance panel and controller |
| FSTN Dot Matrix LCD Glass | 240×128 graphic | Positive / transmissive | Grey background with dark-purple content | White | Industrial panel, test instrument and control device |
| FSTN Dot Matrix LCD Glass | 128×64 graphic | Positive / transmissive | Grey background with blue content | White | Meter, handheld device and embedded product |
| FSTN Dot Matrix LCD Glass | 192×64 graphic | Negative / transmissive | Black background with white content | Green | Equipment panel and backlit interface |
| FSTN Dot Matrix LCD Glass | 128×32 graphic | Negative / transmissive | Blue background with white content | White | Compact device and status display |
| FSTN Dot Matrix LCD Glass | 250×64 graphic | Positive / transmissive | Grey background with black content | Red | Special equipment panel and custom display project |
FSTN uses compensation film with STN technology to improve monochrome display appearance.
FSTN is widely used when readable text, icons, menus and simple graphics are required.
Polarizer, backlight, driver, PCB, connector and housing may still be required.
FSTN improves background appearance and contrast compared with standard STN.
Common formats include 128×64, 192×64, 240×64 and 240×128.
Menus, icons, text and simple monochrome graphics can be displayed clearly.
Positive FSTN can provide a cleaner grey-white or improved monochrome background.
Suitable for products that need stable and readable monochrome information.
Reflective, transmissive and transflective directions can be reviewed.
| Display Type | Display Mode | Polarizer | Background | Letters | Backlight |
|---|---|---|---|---|---|
| FSTN | Positive | Reflective | Grey-white / Grey-green | Black / Blue / Dark Purple | No |
| FSTN | Positive | Transmissive | Grey-white / Grey-green | Black / Blue / Dark Purple | Yes |
| FSTN | Positive | Transflective | Grey-white / Grey-green | Black / Blue / Dark Purple | Yes or No |
| FSTN | Negative | Transmissive | Blue / Dark Purple / Black (not pure) | White | Yes |
| FSTN | Negative | Transflective (rarely used) | Blue / Dark Purple / Black (not pure) | White | Yes |
| Selection Factor | Available Direction | Practical Use |
|---|---|---|
| Positive Mode | Dark or blue content on light grey or grey-white background | Readable instruments, meters and Graphic LCD modules |
| Negative Mode | Light content on blue, dark-purple or dark background | Backlit interfaces and selected visual effects |
| Reflective | Uses ambient light | Low-power products without continuous backlight |
| Transmissive | Relies on backlight | Indoor and low-light applications |
| Transflective | Uses ambient light and optional backlight | Mixed-lighting environments |
| Static Driving | Direct segment control | Simple Segment LCD structures |
| Multiplex Driving | Shared COM and SEG electrodes | Dot Matrix and Graphic LCD content |
| PIN / Zebra / FPC | Project-based connection selection | Match glass size, PCB, module thickness and assembly |
Maximum COM, duty, bias, voltage, driver IC, refresh behavior and backlight must be reviewed together with the FSTN optical structure.
FSTN remains a monochrome LCD technology. It is not suitable for full-color images, video or modern color UI. TN or HTN may be more economical for simple Segment LCD content, while VA may be more suitable for a premium black-background Segment LCD effect.
| Factor | STN LCD Glass | FSTN LCD Glass |
|---|---|---|
| Display Effect | Standard STN monochrome effect | Improved background and contrast |
| Readability | Good | Better than standard STN |
| Main Use | Segment, Character, Dot Matrix and Graphic LCD | Graphic, Dot Matrix and higher-readability monochrome LCD |
| Cost | Lower | Higher than standard STN |
| Best For | General monochrome applications | Products requiring clearer monochrome display |
| Selection Logic | Choose STN for practical cost and flexibility | Choose FSTN when readability and contrast matter more |
| Factor | TN / HTN LCD Glass | FSTN LCD Glass |
|---|---|---|
| Main Use | Simple or improved Segment LCD | Segment, Dot Matrix and Graphic LCD applications |
| Display Complexity | Lower | Higher |
| Contrast | Basic to improved | Better for readable monochrome content |
| Cost | Lower | Higher |
| Best For | Fixed digits, icons and simple symbols | Text, icons, menus, Dot Matrix and Graphic LCD |
| Selection Logic | Choose TN / HTN for simple Segment LCD | Choose FSTN for more information and stronger readability |
| Factor | FSTN LCD Glass | VA LCD Glass |
|---|---|---|
| Display Effect | Improved grey-white or negative monochrome effect | High-contrast black-background effect |
| Main Use | Graphic, Dot Matrix and Segment LCD | Mainly Segment LCD and fixed display content |
| Readability | Good for monochrome text and graphics | Strong black-background Segment LCD effect |
| Cost | Usually lower than VA in many applications | Higher |
| Backlight | Depends on display mode | Usually required |
| Selection Logic | Choose FSTN for readable monochrome UI | Choose VA for premium black-background appearance |
Menus, parameters, icons, warnings and operating states.
Measurements, symbols, menus and professional monochrome UI.
Values, curves, diagnostic information and pixel-based content.
Modes, icons, settings and higher-readability Segment LCD content.
Voltage, current, status, alarms and menus.
Values, units, communication icons and status information.
Temperature, modes, settings and Graphic LCD interfaces.
Compact Dot Matrix and Graphic LCD interfaces.
Exact glass, resolution, pin, voltage, backlight and structure matching.
Segment, Dot Matrix or Graphic LCD content.
Select FSTN when cleaner background and stronger readability are genuinely required.
Glass size, viewing area, segment layout or pixel resolution.
Positive or negative, reflective, transmissive or transflective, static or multiplex.
PIN, zebra or FPC, viewing direction, glass thickness, backlight and housing.
Tooling, sample, temperature, quantity forecast, acceptance criteria and schedule.
FSTN is selected for better monochrome readability. Use another technology when the priority is lower cost, general STN flexibility or a premium black-background Segment LCD effect.
| Product Page | Choose This When |
|---|---|
| LCD Glass Panels | You need the main LCD glass technology-selection page |
| TN LCD Glass Panels | You need a simple and lower-cost Segment LCD direction |
| HTN LCD Glass Panels | You need improved Segment LCD contrast at practical cost |
| STN LCD Glass Panels | You need general monochrome flexibility at lower cost than FSTN |
| VA LCD Glass Panels | You need a premium high-contrast black-background effect |
| Graphic LCD Displays | You need a complete pixel-based monochrome Graphic LCD module |
Provide the segment drawing or pixel resolution together with glass size and viewing area so the FSTN optical direction, driving method, connection, backlight and tooling feasibility can be reviewed.
Visit a category page for product images, specifications and integration options.
An FSTN LCD Glass Panel is a custom monochrome LCD glass using Film-compensated Super Twisted Nematic technology. It is designed to improve contrast, background appearance and readability compared with standard STN LCD glass.
No. FSTN LCD glass is the glass display element. A complete module may also include polarizers, backlight, driver circuit, PCB, connector, frame and front-panel structure.
FSTN LCD glass is best used for Graphic LCD, Dot Matrix LCD and higher-readability monochrome display applications that need a cleaner background and stronger contrast than standard STN.
FSTN normally provides better readability and a cleaner display effect than standard STN. Standard STN may still be more cost-effective for general monochrome applications.
Yes. FSTN can be used for Segment LCD projects when improved contrast and readability are required, although TN or HTN may be more economical for simple fixed content.
Yes. FSTN is widely used for Graphic and Dot Matrix LCD formats such as 128×64, 192×64, 240×64 and 240×128.
TN and HTN are mainly selected for simpler Segment LCD content. FSTN supports more complex monochrome content and offers better readability for text, icons, menus and pixel-based graphics.
FSTN is selected for readable monochrome text and graphics. VA is mainly selected for a premium high-contrast black-background Segment LCD effect.
Yes. Positive FSTN LCD normally shows dark or blue content on a light grey or grey-white background.
Yes. Negative FSTN LCD normally shows light content on a blue, dark-purple or dark background and usually requires a suitable backlight.
Reflective FSTN LCD uses ambient light and can operate without continuous backlight, making it suitable for low-power instruments and meters.
Transmissive FSTN LCD relies on backlight for visibility and is used in indoor or low-light products.
Transflective FSTN LCD can use ambient light and optional backlight, making it suitable for mixed-lighting environments.
Yes. Backlight color, brightness, current, light guide and mechanical structure can be reviewed according to the display mode and product design.
FSTN LCD glass can use PIN, zebra, FPC or a project-based module structure depending on the glass size, resolution, customer PCB and assembly method.
Static driving controls each segment directly. Multiplex driving shares COM and SEG electrodes to support more display information with fewer connections. Duty, bias, voltage and contrast must be reviewed together.
Yes. Please provide the old LCD sample, glass outline, viewing area, segment layout or resolution, pin details, driving information, backlight, photos and product information.
Please provide glass size, viewing area, segment layout or resolution, display mode, optical mode, backlight, driving method, voltage, connection type, viewing direction, temperature, touch requirement, quantity, schedule and available drawings or samples.
Send us the glass size, viewing area, display content, segment layout or resolution, display mode, optical mode, backlight, driving method, connection, viewing direction, temperature, touch requirement, quantity and schedule.
DisplayMan will review whether FSTN LCD glass is suitable or whether TN, HTN, STN or VA better matches the display content, readability, appearance and cost target.
FSTN is selected for improved monochrome readability, especially in Dot Matrix and Graphic LCD applications. A clear layout or resolution and realistic production quantity are required before tooling and quotation.
Please share your application, display size, quantity and project background. We will review the most practical display direction.