Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module
Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module
Price: $115.00
$110.00/ piece
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Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module
Kyocera KCS057QV1AJ-G23 5.7 inch 320x240 QVGA STN monochrome LCD front view
KCS057QV1AJ-G23 STN display powered on showing high contrast monochrome text
Kyocera KCS057QV1AJ-G23 5.7 inch 320x240 QVGA STN monochrome LCD front view
KCS057QV1AJ-G23 STN display powered on showing high contrast monochrome text

Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module

Price: $115.00
$110.00/ piece
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Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module

Product Information Product Specifications
Model:
KCS057QV1AJ-G23
Brand:
KYOCERA
Application:
Tablet
Size:
5.7"
Resolution:
320(RGB)×240, QVGA 70PPI
Brightness:
200 cd/m² (Typ.)
Contrast Ratio:
40:1 (Typ.) (TM)
Viewing Angle:
50/50/30/30 (Typ.)(CR≥2)
Lamp Type:
CCFL [1 pcs] , 40K hours , Optional
Signal Interface:
Parallel Data (1ch, 8-bit) , 15 pins Connector
Panel Type:
a-Si TFT-LCD, LCM
Frame Rate:
75Hz
Active Area:
115.2(H)×86.4(V) mm
Outline:
154.6(H)×114.8(V)×9(D) mm
Storage Temp:
-20 ~ 60 °C
Operating Temp:
0 ~ 60 °C
Support Color:
Color, 35% NTSC
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:
0.500 KG
Overview

Product Introduction

The Kyocera KCS057QV1AJ-G23 is a highly reliable 5.7-inch STN (Super Twisted Nematic) monochrome LCD module, originally engineered by Kyocera (historically associated with the Optrex brand). Delivering a standard 320x240 (QVGA) resolution, this display is specifically sought after for maintaining and repairing legacy industrial equipment where color is unnecessary but absolute stability is mandatory. Unlike modern TFT panels, STN technology offers significantly lower power consumption, superior resistance to electromagnetic interference (EMI), and excellent readability in varied lighting conditions. It remains the industry standard replacement for aging PLC operator interfaces, laboratory analytical instruments, point-of-sale (POS) terminals, and early-generation medical devices. At ZY LCD Shop, we specialize in sourcing these rare, discontinued Kyocera/Optrex monochrome modules. Every KCS057QV1AJ-G23 unit undergoes rigorous testing for contrast uniformity, segment rendering, and signal integrity before dispatch. Keep your critical legacy systems running flawlessly with our guaranteed authentic replacement screens.

Core Product Features

  • True STN Monochrome Technology: Super Twisted Nematic architecture provides high-contrast text and graphics without the complexity or power drain of full-color TFT displays.

  • Standard QVGA Resolution: 320x240 pixels deliver crisp, legible characters and precise waveform rendering essential for industrial control panels and diagnostic instruments.

  • Ultra-Low Power Consumption: Ideal for battery-operated handheld terminals, portable medical devices, and energy-efficient embedded systems where thermal management is critical.

  • Exceptional EMI Resistance: STN panels are inherently less susceptible to electromagnetic interference from heavy motors or welding equipment on factory floors compared to sensitive TFT glass.

  • Kyocera / Optrex Heritage: Manufactured to legendary Japanese quality standards, ensuring long-term reliability and exact mechanical compatibility with legacy housings.

  • Direct Legacy Replacement: Maintains the original footprint, bezel thickness, and standard parallel interface pinouts for hassle-free drop-in installation into existing equipment.

Technical Specifications

ParameterSpecification Details
Part NumberKCS057QV1AJ-G23
ManufacturerKyocera (formerly Optrex)
Diagonal Size5.7 Inch
Native Resolution320 x 240 (QVGA)
Display ModeSTN, Monochrome (Typically Blue/Negative or Yellow/Green)
Aspect Ratio4:3
Panel TechnologySuper Twisted Nematic (STN)
Signal InterfaceParallel Data / CMOS (Verify Pinout)
Backlight TypeCCFL / LED (Verify specific revision)
Target ApplicationLegacy PLC, Lab Instruments, POS, Medical Devices

Typical Applications

  • Early-Generation PLC Operator Interfaces & Industrial Control Panels

  • Laboratory Analytical Instruments & Chromatography Systems

  • Point of Sale (POS) Terminals & Cash Registers

  • Portable Medical Diagnostic Equipment & Patient Monitors

  • Battery-Operated Handheld Data Terminals & Barcode Scanners

Why Source from ZY LCD Shop?

  • Legacy Monochrome Specialists: As the industry shifts entirely to color TFT, original STN panels like the KCS057QV1AJ-G23 are becoming extinct. We maintain climate-controlled inventory of these rare, new-old-stock (NOS) modules.

  • Strict Contrast Verification: Monochrome displays rely heavily on contrast voltage tuning. Every unit is tested for uniform pixel rendering and optimal bias settings to guarantee readability.

  • ESD & Shock-Proof Packaging: Sensitive STN glass and fragile backlight components are packed in custom anti-static trays and heavy-duty foam to survive global transit.

  • Cross-Reference Engineering Support: Upgrading from an older Optrex part number? Our technical team can help verify mechanical dimensions and interface compatibility against your original broken screen.

FAQ (Frequently Asked Questions)

Is the KCS057QV1AJ-G23 a color TFT screen or a monochrome display?

This is a monochrome STN (Super Twisted Nematic) display, not a color TFT panel. It renders graphics and text in a single color mode (typically blue-mode negative or yellow-green positive). It is specifically designed for legacy equipment that does not require or support full-color rendering.

Can I use this Kyocera panel to replace an old Optrex 5.7" screen?

Yes, absolutely. Kyocera acquired the Optrex display division years ago. The KCS057QV1AJ-G23 shares the exact same engineering lineage. If your original equipment manual specifies an Optrex 5.7-inch QVGA STN module, this Kyocera-branded unit is the direct, fully compatible OEM replacement.

Why should I keep using an STN monochrome screen instead of upgrading to a color TFT?

Upgrading a legacy system from STN to TFT often requires completely redesigning the motherboard's video controller, changing the software drivers, and modifying the power supply due to higher current draw. The KCS057QV1AJ-G23 ensures a true plug-and-play repair, maintaining your system's original low power consumption and EMI resistance without costly engineering changes.

Where can I download the KCS057QV1AJ-G23 datasheet and pinout definition?

We provide the official Kyocera/Optrex PDF datasheet, including precise mechanical outlines, active area dimensions, and parallel interface pin configurations, to verified buyers. Please contact our technical support department directly via email or phone to request your copy.

Does this module include the backlight and driver board?

The KCS057QV1AJ-G23 is supplied as an LCM (Liquid Crystal Module), which typically includes the STN glass cell and the integrated backlight assembly. However, it does not include the external controller/driver board. You must reuse your equipment's original driver board to operate this panel.

Do you offer bulk pricing for industrial maintenance contractors?

Absolutely. We actively support B2B wholesale orders for factory maintenance departments, lab equipment refurbishers, and POS repair depots. Reach out to our sales department for custom tiered pricing based on your annual volume requirements.

    Product Comparison
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    Size:
    Resolution:
    Brightness:
    Contrast Ratio:
    Viewing Angle:
    Lamp Type:
    Signal Interface:
    Panel Type:
    Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module

    Kyocera KCS057QV1AJ-G23 5.7" 320x240 QVGA STN Monochrome LCD Module

    KCS057QV1AJ-G23

    5.7"
    320(RGB)×240, QVGA 70PPI
    200 cd/m² (Typ.)
    40:1 (Typ.) (TM)
    50/50/30/30 (Typ.)(CR≥2)
    CCFL [1 pcs] , 40K hours , Optional
    Parallel Data (1ch, 8-bit) , 15 pins Connector
    a-Si TFT-LCD, LCM
    LCD display  KCS057QV1AJ-G23-5Z-01   5.7 inth   320*240   Industrial  screen

    LCD display KCS057QV1AJ-G23-5Z-01 5.7 inth 320*240 Industrial screen

    KCS057QV1AJ-G23-5Z-01

    5.7"
    320(RGB)×240, QVGA 70PPI
    200 cd/m² (Typ.)
    40 : 1 (Typ.) (TM)
    50/50/30/30 (Typ.)(CR≥2)
    1 pcs CCFL , 40K hours , Optional
    Parallel Data (1ch, 8-bit) , 15 pins Connector
    CSTN-LCD, LCM
    KCS057QV1AJ-G32 154.6(W)×114.8(H)×9(D) lcd display screen lcd  5.7inch For Kyocera

    KCS057QV1AJ-G32 154.6(W)×114.8(H)×9(D) lcd display screen lcd 5.7inch For Kyocera

    KCS057QV1AJ-G32

    5.7"
    320(RGB)×240, QVGA, 70PPI
    200 cd/m² (Typ.)
    40:1 (Typ.) (TM)
    50/50/40/50 (Typ.)(CR≥2)
    1 pcs CCFL , 40K hours , Optional
    Parallel Data (1ch, 8-bit) , 15 pins Connector
    CSTN-LCD, LCM
    Kyocera KCS057QV1AJ-G20 5.7" QVGA TFT LCD Module for Industrial HMI Replacement

    Kyocera KCS057QV1AJ-G20 5.7" QVGA TFT LCD Module for Industrial HMI Replacement

    KCS057QV1AJ-G20

    5.7"
    320(RGB)×240, QVGA 70PPI
    200 cd/m2 (Typ.)
    40 : 1 (Typ.) (TM)
    50/50/30/30 (Typ.)(CR≥2)
    1 pcs CCFL , 40K hours , Optional
    Parallel Data (1ch, 8-bit) , 15 pins Connector
    CSTN-LCD, LCM
    KCS057QV1AJ-G23 is a 5.7" a-Si TFT-LCD, LCM Display screen Product from KYOCERA.According to KYOCERA's product specification sheet,KCS057QV1AJ-G23 display has a resolution of 320(RGB)×240, QVGA 70PPI, Contrast Ratio is 40:1 (Typ.) (TM),Viewing Angle is 50/50/30/30 (Typ.)(CR≥2),Lamp Type is CCFL [1 pcs] , 40K hours , Optional,Signal Interface is Parallel Data (1ch, 8-bit) , 15 pins Connector,Brightness is 200 cd/m² (Typ.).Based on its characteristics, this model is recommended for application in Tablet and other products.The weight of KCS057QV1AJ-G23 after packaging is 0.500KG.We have made every effort to minimize weighing variances; however, we cannot guarantee absolute accuracy.
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    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
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    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
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    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
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    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
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    • 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.

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

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

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

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    Transportation damage covered by us — zero risk on your side

    What Buyers Say — 4.8/5 from Verified Orders

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    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.

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    Comprehensive Score
    4.8 out of 5
    11 Reviews
    5 star
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    4 star
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    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.
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