





3.5" IPS smart serial display module, 320×240, UART
- Model
- JM-LH011-TI320240NUL035
- Size
- 3.5"
- Brand
- Junxian Display
- Place of origin
- Shenzhen, China
- Sample MOQ
- 5 pcs
- Production MOQ
- 100 pcs (standard) / 1,000 pcs (fully custom)
- Lead time
- 10-20 days
- Payment
- T/T, L/C, PayPal
- Trade terms
- EXW, FOB Shenzhen, CIF
Specifications
Model JM-LH011-TI320240NUL035, built in our Shenzhen plant - 450 cd/m² brightness, -20°C to +70°C operating range. Sample MOQ is 5 pcs, production MOQ 100 pcs, and lead time 10-20 days once the specification is frozen.
| Model number | JM-LH011-TI320240NUL035 |
|---|---|
| Screen size | 3.5" |
| Resolution | 320×240 |
| Display type | IPS |
| Interface | UART/RS485/CAN3 |
| Brightness | 450 cd/m² |
| Colours | 262K |
| Touch panel | No Touch Screen Or Touch Screen For Optional |
| Driving voltage | 5V |
| Backlight | LED White Light |
| Backlight lifetime | 40000 Hours |
| Outline dimension | 96.00x55.60x3.8mm |
| Active area | 69.36X52.27mm |
| Operating temperature | -20°C to +70°C |
| Storage temperature | -30°C to +80°C |
| Compliance | REACH & RoHS Compliant |
Typical values at 25 °C. Tolerances, pin assignment and timing are in the datasheet — ask for it before locking your PCB layout.
Price depends on quantity, touch option and packaging. Send the quantity and we quote the same working day where possible.
Mechanical drawing
Outline, active area position, FPC route and pin pitch. Dimensions in millimetres. Check this against your enclosure opening before you commit the mechanical design — it is free to change here and expensive to change after tooling.

Drawing carried over from our previous catalogue; some annotations are in Chinese. Ask us for the current 2D drawing (DWG or PDF) and we will send it with the datasheet.
Product description
Custom 3.5-inch Industrial TFT LCD Serial Port Display Plug-and-Play HMI with UART/RS485/CAN3 LCD screen
Product Features & Advantages
(1) Versatile Serial Port Integration:
Equipped with a proprietary command set and integrated high-speed MCU, enabling seamless compatibility with any UART-compatible motherboard.
Supports UART/RS485/CAN3 communication protocols, offering flexibility for diverse industrial and embedded systems.
(2) Plug-and-Play Rapid Development:
30-minute mastery and 3-day HMI design completion via intuitive Ul Editor-II drag-and-drop interface, ideal for rapid prototyping.
Virtual emulator eliminates hardware dependency for effortless debugging, reducing development costs and time.
(3) Customizable UI & Multilingual Support:
Real-time creation of custom user interfaces with 10+ control widgets, built-in keyboards, and multilingual text support for global applications.
Optional resistive/capacitive touchscreens and TN/IPS panels cater to diverse usability and environmental needs.
(4) Robust Industrial Specifications:
320×240 resolution and 450 cd/m² brightness ensure clear visibility in indoor and semi-industrial environments.
Operates reliably at -20°C~70°C, with a 40,000-hour LED lifespan and RoHS/REACH compliance for long-term durability.
(5) Enhanced Connectivity:
Four onboard I/Os enable direct control of external devices, simplifying system integration for automation tasks.
Over-the-air (OTA) upgrades ensure long-term software compatibility and functionality updates.
Detail photos

What this specification means in practice
IPS glass keeps colour and contrast stable from any angle, which matters when the operator does not look at the panel straight on - wall-mounted HMIs, instruments read from above, shared displays.
450 cd/m² is the bracket most industrial enclosures need: readable under workshop lighting and near a window, without the power draw of a sunlight-readable backlight.
The UART/serial variant carries its own controller and command set, so your MCU sends text and commands instead of driving pixels. It cuts firmware work substantially.
Operating range -20°C to +70°C covers unheated cabinets, outdoor enclosures and cold-chain equipment. Standard commercial panels stop at 0 °C and go dark or slow in the cold.
Touch is optional on this module. We bond capacitive or resistive panels to the same glass, so you can start without touch and add it on a later revision.
Ordering and customisation
This model ships as a bare module by default. We commonly modify the FPC length and connector, change the backlight current, add a capacitive or resistive touch panel, or bond cover glass with your printing. Tell us the enclosure opening and the mounting method and we will confirm what can stay standard and what needs tooling.
Typical applications
Energy Storage, BMS & EV Charging
Battery monitors and inverter displays - our BMS variants already speak a battery protocol, which removes most of the display firmware work.
Industrial Automation & HMI
Retrofits where the host controller has a spare UART but no LCD controller.
Instrumentation & Metering
Instruments where the display should be developed independently of the main firmware.
How a customised order runs
Send the requirement
Size, resolution, interface, brightness, operating temperature, touch or no touch, and the annual quantity. A photo or drawing of the enclosure opening helps more than a long description.
We confirm feasibility and quote
You get a specific model number or a modification plan, with tooling cost and lead time stated separately from the unit price. Usually within one working day.
Sample and approval
Samples in 10-15 days from stock glass; custom glass or a new FPC adds tooling time. You approve dimensions, display quality and interface timing before mass production starts.
Production and shipment
10-20 days after specification freeze. Anti-static bag + foam tray + export carton, shipped DHL / FedEx / UPS express or by your forwarder. We keep the approved sample as the reference for every repeat order.
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Questions about this model
What is the minimum order quantity for the JM-LH011-TI320240NUL035?
Samples are 5 pcs. Production MOQ is 100 pcs for this catalogue model and 1,000 pcs when the FPC, backlight or glass is modified.
How long is the lead time?
10-20 days for production quantities, 10-15 days for samples from stock glass. Custom tooling is quoted separately and confirmed in writing first.
Can this module be customised?
Yes - FPC length and pin order, connector type, backlight brightness and colour temperature, cover glass, touch panel and bonding method. See what is changeable.
Do you provide a datasheet and drawing?
Yes. Email hyd@szjunxian.com with the model number and we send the full datasheet, 2D drawing and, where relevant, the initial sample report.
Which interface should I choose for my board?
It depends on your host processor and target resolution. Our interface selection guide compares MCU, SPI, RGB, LVDS and MIPI by pin count, resolution ceiling and MCU load.
Packaging, shipping and trade terms
Packaging is anti-static bag + foam tray + export carton, shipped by DHL / FedEx / UPS express, air freight, sea freight. Trade terms EXW, FOB Shenzhen, CIF, payment T/T, L/C, PayPal.
Need this module with different parameters?
Most orders start from a catalogue model and change two or three parameters. Send us the differences you need and we will confirm feasibility, tooling and price.