AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel
AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel
Price: £74.12
£71.00/ piece
Add to cart
AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel
AUO G121SN01 V4 12.1 inch SVGA 800x600 industrial TFT LCD front view
AUO G121SN01 V4 12.1 inch SVGA 800x600 industrial TFT LCD front view
G121SN01 V4 20-pin LVDS connector and CCFL backlight tube location
AUO G121SN01 V4 12.1 inch SVGA 800x600 industrial TFT LCD front view
AUO G121SN01 V4 12.1 inch SVGA 800x600 industrial TFT LCD front view
G121SN01 V4 20-pin LVDS connector and CCFL backlight tube location

AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel

Price: £74.12
£71.00/ piece
Delivery:
Payment:
Calculate shipping price
Require:*
Product Model* Target price Qty *
Message
Your contact info: Additional info:
Name: *
Mr. Ms.
1. Quote with shipping freight?
Email : *
YES NO  
Phone: 2. Which carrier do you perfert?
Company:
Fedex UPS DHL
TNT other
Country:*

AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel

Product Information Product Specifications
Model:
G121SN01 V4
Brand:
AUO
Application:
Industrial
Size:
12.1"
Resolution:
800(RGB)×600, SVGA 82PPI
Brightness:
450 cd/m² (Typ.)
Contrast Ratio:
700 : 1 (Typ.) (TM)
Viewing Angle:
80/80/65/75 (Typ.)(CR≥10)
Lamp Type:
WLED [9S2P] , 50K hours , With LED Driver
Signal Interface:
LVDS (1 ch, 6/8-bit) , 20 pins Connector
Panel Type:
a-Si TFT-LCD, LCM
Ordering instructions
Quality:
test ok before ship it
RMA Policy:
RMA 6 month
Sample:
Paid Sample
Stock:
115
Stock Location:
China
Delivery:
WorldWide
Lead Time:
1-3 Days
Weight:
1.500 KG
Overview



The AUO G121SN01 V4 is a highly reliable 12.1-inch SVGA (800×600) TFT-LCD module engineered for demanding industrial, medical, and HMI applications. Featuring a classic 4:3 aspect ratio and 83 PPI pixel density, this a-Si TFT display delivers clear, readable graphics for control panels, CNC machines, and embedded systems. Equipped with a robust CCFL backlight system providing 450 cd/m² brightness, it ensures excellent visibility in various factory lighting conditions. The LVDS 20-pin interface guarantees seamless integration with legacy and modern industrial controller boards. Sourced directly for ZYLCD Shop, every G121SN01 V4 panel undergoes rigorous Grade A+ testing to guarantee flawless operation, backed by secure anti-static packaging, fast global shipping, and dedicated technical support for your engineering and repair projects.

Product Features

  • Classic SVGA Resolution: Native 800×600 pixels in a standard 4:3 aspect ratio, perfectly suited for legacy industrial software, PLC interfaces, and CNC displays.

  • High-Brightness CCFL Backlight: Delivers 350 cd/m² typical luminance with a 700:1 contrast ratio, ensuring clear readability on the factory floor.

  • Industrial-Grade Durability: Built with a-Si TFT-LCD technology and hard coating surface to withstand harsh environments, vibration, and temperature fluctuations.

  • LVDS 20-Pin Interface: Standard low-voltage differential signaling connector ensures stable, noise-resistant video transmission over longer cable runs vs. TTL.

  • Compact 12.1" Form Factor: Outline dimensions allow for easy integration into tight equipment enclosures, rack-mounted systems, and portable test instruments.

  • 262K Color Depth: 6-bit RGB color reproduction provides adequate color gradation for industrial visualization, status indicators, and basic graphical interfaces.

  • Grade A+ Quality Guaranteed: 100% tested for uniform backlight distribution, precise color calibration, and zero pixel defects before dispatch.

Technical Specifications

Model NumberG121SN01 V4
ManufacturerAU Optronics (AUO)
Screen Size12.1 Inches (Diagonal)
Resolution800(RGB)×600, SVGA 
Aspect Ratio4:3
Pixel Density82 PPI
Panel Technologya-Si TFT-LCD, Normally White, Transmissive
Signal InterfaceLLVDS (1 ch, 6/8-bit) , 20 pins Connector
Brightness450 cd/m² (Typ.)
Contrast Ratio700:1 (Typ.)
Colors262K (6-bit RGB)
Backlight TypeCCFL
Surface TreatmentHard Coating / Anti-Glare
Operating Temperature0°C to +50°C
ConditionBrand New, Grade A+

Applications & Compatibility

The AUO G121SN01 V4 is a staple in professional embedded and industrial environments. Common applications include:

  • Industrial Automation: HMI (Human-Machine Interface) panels, PLC displays, CNC machine controls, SCADA systems, and factory monitoring terminals.

  • Medical Equipment: Portable diagnostic devices, patient monitoring systems, laboratory analyzers, and imaging workstations.

  • Test & Measurement: Oscilloscopes, spectrum analyzers, signal generators, and handheld industrial testing tools.

  • Transportation: Vehicle diagnostic tools, fleet management terminals, railway control panels, and marine navigation displays.

  • Legacy System Upgrades: Direct replacement for aging 12.1" SVGA CRT-to-LCD conversions and obsolete OEM displays.

⚠️ Important: This module uses an LVDS 20-pin interface and CCFL backlight. Please verify your controller board's pinout and ensure it supports CCFL inverter voltage before ordering. If replacing an LED-backlit panel, confirm backlight driver compatibility or request an adapter solution.

Why Choose ZYLCD Shop?

  • Specialists in Industrial Displays: We stock hard-to-find legacy and industrial panels like the AUO G121 series for B2B and engineering markets.

  • Rigorous Pre-Ship Testing: Every G121SN01 V4 is tested on dedicated LVDS signal rigs for color accuracy, backlight uniformity, and response stability.

  • Reinforced Shipping Protection: Anti-static bag + custom-fit EPE foam + rigid double-wall corrugated box to protect fragile 12.1-inch glass and CCFL tubes during transit.

  • Technical Support & Warranty: Comprehensive return policy and expert guidance for integration, pinout verification, and cross-reference confirmation.

  • Bulk & Sample Orders: Whether you need one replacement for a repair or a thousand units for production, we offer flexible MOQ and tiered B2B pricing.

Frequently Asked Questions

What type of backlight does the G121SN01 V4 use?

The AUO G121SN01 V4 utilizes a CCFL (Cold Cathode Fluorescent Lamp) backlight system. This requires your controller board or motherboard to have a compatible CCFL inverter to power the backlight. Ensure your hardware supports CCFL before ordering, as it is not directly interchangeable with LED-backlit panels without a driver modification or adapter.

Is the G121SN01 V4 compatible with my existing LVDS 20-pin cable?

The G121SN01 V4 uses a standard LVDS 20-pin connector, which is widely adopted across 12.1" industrial panels. However, pin assignments can vary between manufacturers. Always compare the pinout diagram in the datasheet with your original panel's FPC marking. If unsure, contact us with your original panel model number for cross-reference verification.

Can I upgrade from a 10.4" SVGA panel to this 12.1" G121SN01 V4?

Physically, no. The 12.1" G121SN01 V4 has larger outline dimensions than a 10.4" panel and will not fit in the same enclosure. Electrically, both may share the same SVGA 800×600 resolution and LVDS 20-pin interface, but mechanical mounting points differ. Always match the exact size unless your equipment manufacturer officially supports multiple sizes.

What is the difference between G121SN01 V4 and other V-revisions?

Different revisions (V0, V1, V2, V3, V4) may vary in backlight efficiency, color gamut, operating temperature range, or minor mechanical changes. The V4 revision typically features improved CCFL lifespan and updated compliance standards. All revisions share the same core SVGA 800×600 specs and LVDS 20-pin interface, but always verify your specific equipment requirements before cross-substituting.

Do you offer wholesale pricing for industrial repair shops?

Yes! ZYLCD Shop provides tiered wholesale discounts for industrial repair businesses, HMI refurbishers, CNC service centers, and manufacturing plants. Contact our B2B sales team via the inquiry form below for volume pricing on the G121SN01 V4 and other AUO industrial panels.

Need a Reliable 12.1" SVGA Industrial Display?

In stock and ready to ship. Order today for same-day processing or contact us for project-level integration support and CCFL driver solutions.

Verify Compatibility / B2B Quote  Add to Cart

Product Comparison
Model:
Size:
Resolution:
Brightness:
Contrast Ratio:
Viewing Angle:
Lamp Type:
Signal Interface:
Panel Type:
AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel

AUO G121SN01 V4 12.1" SVGA (800x600) Industrial TFT LCD Panel

G121SN01 V4

12.1"
800(RGB)×600, SVGA 82PPI
450 cd/m² (Typ.)
700 : 1 (Typ.) (TM)
80/80/65/75 (Typ.)(CR≥10)
WLED [9S2P] , 50K hours , With LED Driver
LVDS (1 ch, 6/8-bit) , 20 pins Connector
a-Si TFT-LCD, LCM
G121SN01 V403     12.1"      lcd      panel    for        AUO

G121SN01 V403 12.1" lcd panel for AUO

G121SN01 V403

12.1"
800(RGB)×600, SVGA 82PPI
500 cd/m² (Typ.)
700:1 (Typ.) (TM)
80/80/65/75 (Typ.)(CR≥10)
WLED [7S3P] , 50K hours , With LED Driver
LVDS (1 ch, 6/8-bit) , 20 pins Connector
a-Si TFT-LCD, LCM
G121SN01 V1        12.1"     lcd    display    panel     for     AUO

G121SN01 V1 12.1" lcd display panel for AUO

G121SN01 V1

12.1"
800(RGB)×600, SVGA 82PPI
200 cd/m² (Typ.)
500:1 (Typ.) (TM)
70/70/60/50 (Typ.)(CR≥10)
CCFL [2 pcs] , 50K hours , W/O Driver
LVDS (1 ch, 6-bit) , 20 pins Connector
a-Si TFT-LCD, LCM
AUO G121SN01 V3 12.1 Inch 800x600 SVGA TFT LCD Industrial Display Panel

AUO G121SN01 V3 12.1 Inch 800x600 SVGA TFT LCD Industrial Display Panel

G121SN01 V3

12.1"
800(RGB)×600, SVGA 82PPI
400 cd/m2 (Typ.)
600 : 1 (Typ.) (TM)
80/80/50/60 (Typ.)(CR≥10)
2 pcs CCFL , 50K hours , No Driver
LVDS (1 ch, 6/8-bit) , 20 pins Connector
​a-Si TFT-LCD, LCM
G121SN01 V4 is a 12.1" a-Si TFT-LCD, LCM Display screen Product from AUO.According to AUO's product specification sheet,G121SN01 V4 display has a resolution of 800(RGB)×600, SVGA 82PPI, Contrast Ratio is 700 : 1 (Typ.) (TM),Viewing Angle is 80/80/65/75 (Typ.)(CR≥10),Lamp Type is WLED [9S2P] , 50K hours , With LED Driver,Signal Interface is LVDS (1 ch, 6/8-bit) , 20 pins Connector,Brightness is 450 cd/m² (Typ.).Based on its characteristics, this model is recommended for application in Industrial and other products.The weight of G121SN01 V4 after packaging is 1.500KG.We have made every effort to minimize weighing variances; however, we cannot guarantee absolute accuracy.
verified

Original Factory-Sealed Panels

Every unit is sourced directly from AUO Optronics through Zhiyan's first-hand supply channel. No refurbished, no B-grade. Factory seal intact.

100% Original | Factory Sealed
fact_check

100% Pre-Ship Testing & 6-Month RMA

Each panel passes through our six-step quality chain—incoming, display, appearance, interface, packaging, and tracking. Backed by a 6-month RMA.

Test OK Before Ship | RMA 6 Months
inventory_2

99 Units In Stock · Ships in 1–3 Days

Stocked in our Shenzhen Longhua warehouse. Standard lead time 1–3 business days; quotations returned within 24 hours.

99 In Stock | Lead Time 1-3 Days
local_shipping

Worldwide Shipping with Full Tracking

DHL, FedEx, UPS and TNT available. ESD-safe packaging. Typical door-to-door delivery: 5–7 business days globally.

DHL · FedEx · UPS · TNT | Worldwide

Quality issue? Return freight is on us. Damaged in transit? We cover it in full.

Why 1,000+ Engineers Trust Zhiyan Since 2013

factory 18 Years of Industrial LCD Supply Chain Expertise

  • warehouse 30,000+ m² ready-to-ship warehouse with tens of millions of dollars of LCD inventory on hand
  • category 100,000+ LCD models covered — from mainstream panels to discontinued & hard-to-find EOL models
  • groups 200+ staff, including a dedicated engineering team of 10+ for pre-sales matching and after-sales support
  • handshake Direct factory sourcing from Kyocera, KOE, and NANYA; long-standing supply partnerships across Taiwan and South Korea
  • sync One-stop service: sourcing → evaluation → testing → packaging → global logistics → technical support

fact_check 6-Step Inspection — No Panel Ships Untested

inventory_2 Incoming
monitor Display Test
visibility Appearance
settings_input_component Interface
view_in_ar Packaging
flight_takeoff Shipment
  • done_all Every panel is visually inspected, electrically powered-on tested, and interface-verified before packing
  • inventory_2 Anti-static, shock-proof professional packaging for international transit
  • verified What you see is what you get — product consistent with description, or return freight on us

verified_user Verified by Third Parties, Compliant in Your Market

Alibaba Verified Supplier Certificate
CITEO Membership Certificate
Der Grüne Punkt License
LUCID Registration Certificate
  • check TÜV Rheinland On-Site Verified Supplier (Alibaba.com Verified Supplier, Cert. No. 139632585_T) — factory audit covering production capacity, quality assurance & R&D
  • check EU Authorized Representative (EC REP) appointed — EUREPSTAR GmbH, Germany, valid 2025–2027, CE technical files maintained
  • check CITEO Registered (France, packaging EPR compliance, ID: FR293377_01SEXD)
  • check Der Grüne Punkt Licensed (Germany, VerpackG packaging compliance, Reg. No. DE4833497804557)
  • check All panels RoHS 2.0 compliant, lead-free, mercury-free WLED backlight
  • check Registered company: Shenzhen Zhiyan Optoelectronics Co., Ltd. — VAT/Reg. No. 91440300MA5GQNC36C

precision_manufacturing Trusted Across 13+ Industries Worldwide

Industrial Automation

HMI panels & factory control displays for automation integrators

Medical Devices

Auxiliary diagnostic & monitoring displays for medical device makers

POS/ATM

Replacement screens & bulk supply for POS/ATM manufacturers

Marine Electronics

Marine navigation display modules

Repair Market

EOL & obsolete panel sourcing for global repair centers

Embedded / OEM

Custom display solutions: touch bonding, brightness, cables, OEM labeling

Send us your LCD model number, application and quantity — our engineers will recommend a compatible solution within 24 hours.

local_shipping In Stock. Tested. Shipped in 1–3 Days.

timer

1–3 day lead time for in-stock items; same-day dispatch available in some cases

public

Worldwide shipping via express couriers, full tracking from warehouse to door

account_tree

Every order follows the same chain: Warehouse → QC → Packaging → Shipping → You

gpp_good

Transportation damage covered by us — zero risk on your side

What Buyers Say — 4.8/5 from Verified Orders

star star star star star_half

local_shipping On Delivery

"My package arrived at the expected date (6 days after the purchase) and in good condition."
— Verified Buyer, Nov 2025

"Fast shipping, good communication, goods as described, will buy again."
— Verified Buyer, Aug 2025

support_agent On Service

"The communication with customer service was very smooth, the logistics speed was also fast, the product was consistent with the description."
— Verified Buyer, Aug 2025

"Fast delivery, competitive price, excellent support."
— Verified Buyer, Aug 2025

inventory_2 On Hard-to-Find Models & Price

"Good price for things hard to find!"
— Verified Buyer, Aug 2025

"Excellent quality, affordable price, worth recommending."
— Verified Buyer, Nov 2024

Join engineers and buyers from industrial automation, medical and marine industries — get your quotation within 24 hours.

Questions & Answers
Ask a Question >
Q:
How to distinguish G121SN01 V4 from the original G121SN01?
A:
The V4 version enhances brightness (250 to 300 cd/m²) and color gamut, with improved backlight longevity. Check the model suffix or datasheet for verification.
Q:
What is the operating temperature range of the G121SN01 V4?
A:
It operates from -30°C to 80°C, with storage temperatures ranging from -40°C to 85°C, ensuring performance in wide-temperature conditions.
Q:
Where is this display panel typically used?
A:
Commonly applied in industrial control systems, portable medical devices, test instruments, and embedded displays due to its high reliability in harsh environments.
Q:
What interface does the G121SN01 V4 panel use?
A:
It employs an LVDS (2 ch, 8-bit) interface with single-channel LVDS signaling, compatible with various controller boards.
Q:
What are the key specifications of the G121SN01 V4 display panel?
A:
This 12.1-inch AUO panel features IPS technology with 1280×800 resolution, 450 cd/m² brightness, 1000:1 contrast ratio, and LVDS interface, ideal for industrial and medical applications.
Customer Reviews
Write a Review >
Comprehensive Score
4.8 out of 5
11 Reviews
5 star
81.8%
4 star
18.2%
3 star
0%
2 star
0%
1 star
0%
Review this Product Order
Share your thoughts with other customers
Write a Review
J***********t
Sep 14, 2026
(5/5)
Happy with the LM12S401 CSTN display. Exactly the 12.1" Sharp panel we needed to repair our factory control unit. Plugged in and powered up straight away. Fast shipping.
P************k
Nov 10, 2025
(5/5)
My package arrived at the expected date (6 days after the purchase) and in good condition
O***********E
Sep 29, 2025
(5/5)
Very nice and sharp in the choice
L***********A
Sep 12, 2025
(5/5)
ALL AS PLANNED OK
a****k
Aug 28, 2025
(5/5)
Fast delivery, Comptetive price Excellent support
R********a
Aug 25, 2025
(5/5)
Perfect and easy.
R************z
Aug 21, 2025
(5/5)
Fast shipping, good communication, goods as described, will buy again.
G*************i
Aug 15, 2025
(5/5)
Good price for things hard to find!
y****m
Aug 15, 2025
(5/5)
Product arrived earlier than expected. Price was also very reasonable.
H*******e
Aug 12, 2025
(4/5)
The communication with customer service was very smooth, the logistics speed was also fast, the product was consistent with the description, and it was a good shopping experience.
+8618820172049
service@zylcdshop.com