Original Sharp LQ057Q3D12 5.7" 320x240 QVGA TFT LCD Panel
Original Sharp LQ057Q3D12 5.7" 320x240 QVGA TFT LCD Panel
Price: ¥24183.20
¥23620.80/ piece
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Sharp LQ057Q3D12 5.7 inch 320x240 QVGA TFT LCD panel front view
FPC ribbon cable and folding layout on LQ057Q3D12 5.7
Sharp LQ057Q3D12 5.7 inch 320x240 QVGA TFT LCD panel front view
FPC ribbon cable and folding layout on LQ057Q3D12 5.7

Original Sharp LQ057Q3D12 5.7" 320x240 QVGA TFT LCD Panel

Price: ¥24183.20
¥23620.80/ piece
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Original Sharp LQ057Q3D12 5.7" 320x240 QVGA TFT LCD Panel

Product Information Product Specifications
Model:
LQ057Q3D12
Brand:
SHARP
Application:
Industrial
Size:
5.7"
Resolution:
320(RGB)×240, QVGA 70PPI
Brightness:
500 cd/m² (Typ.)
Contrast Ratio:
350 : 1 (Typ.) (TM)
Viewing Angle:
65/65/65/40 (Typ.)(CR≥5)
Lamp Type:
CCFL [1 pcs] , 50K hours , W/O Driver
Signal Interface:
Parallel RGB (1 ch, 6-bit) , 33 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:
0.500 KG
Overview

Product Introduction

The Sharp LQ057Q3D12 is a classic, highly reliable 5.7-inch TFT LCD panel engineered specifically for battery-powered portable electronics and handheld instruments. Delivering a native 320x240 (QVGA) resolution, this display is renowned for Sharp's exceptional color reproduction and optical clarity, making it the premier replacement screen for legacy industrial PDAs, portable GPS navigation units, digital camera electronic viewfinders (EVF), and handheld medical scanners. Unlike modern high-resolution panels that drain batteries quickly, the LQ057Q3D12 is optimized for ultra-low power consumption, extending the operational life of field-deployable devices. As original Sharp 5.7-inch modules become increasingly scarce, sourcing genuine replacements is critical for maintaining expensive legacy fleets. At ZY LCD Shop, every LQ057Q3D12 unit is rigorously tested for pixel perfection, backlight uniformity, and signal integrity. Revive your portable equipment today with our guaranteed authentic replacement displays.

Core Product Features

  • Ultra-Low Power Consumption: Specifically optimized for battery-operated handheld devices, maximizing field operation time without requiring frequent recharging.

  • Classic QVGA Clarity: 320(RGB) x 240 resolution provides perfectly scaled text and graphical user interfaces (GUI) for 5.7-inch portable screens without over-taxing legacy mobile processors.

  • Sharp Color Excellence: Utilizes Sharp's proprietary TFT technology to deliver high contrast ratios and vibrant colors, crucial for camera viewfinders and map rendering.

  • Compact & Lightweight Form Factor: The ultra-thin profile and minimal bezel width ensure the display integrates seamlessly into space-constrained, ergonomic handheld device housings.

  • High-Transmittance Optical Design: Maximizes backlight efficiency, allowing for excellent screen brightness while keeping overall power draw exceptionally low.

  • Direct Drop-In Replacement: Maintains exact mechanical dimensions and standard CMOS/RGB interface pinouts for hassle-free soldering or FPC connection to existing PCBs.

Technical Specifications

ParameterSpecification Details
Part NumberLQ057Q3D12
ManufacturerSharp Corporation
Diagonal Size5.7 Inch
Native Resolution320(RGB) x 240 (QVGA)
Panel Technologya-Si TFT-LCD
Aspect Ratio4:3
Signal InterfaceCMOS / Parallel RGB
Backlight TypeLED / CCFL (Verify specific revision)
Surface TreatmentAnti-Glare / Clear (Depending on application)
Target ApplicationHandheld PDAs, GPS, Camera EVF, Portable Scanners

Typical Applications

  • Industrial Handheld Terminals & Rugged PDAs

  • Portable GPS Navigation Devices & Marine Chartplotters

  • Digital Camera Electronic Viewfinders (EVF) & Camcorders

  • Handheld Medical Scanners & Portable Diagnostic Tools

  • Battery-Powered Test & Measurement Equipment

  • Early Generation Portable Media Players & Avionics Handsets

Why Source from ZY LCD Shop?

  • Legacy Portable Device Specialists: We excel at tracking down discontinued Sharp 5.7-inch QVGA panels that are critical for repairing expensive, out-of-production handheld fleets.

  • Strict Power & Optical Testing: Because battery life is paramount, we verify the backlight current draw and optical transmittance of every LQ057Q3D12 to ensure it meets low-power specifications.

  • ESD-Safe FPC Protection: Small-format portable screens feature delicate FPC ribbons. We use specialized anti-static shielding to protect the interface pins during transit.

  • Cross-Reference Engineering Support: Upgrading or repairing a custom handheld device? Our technical team can help verify interface timing and pinout compatibility.

FAQ (Frequently Asked Questions)

Will the LQ057Q3D12 drain my handheld device's battery faster than the original screen?

No. The LQ057Q3D12 is engineered by Sharp specifically for portable, battery-powered applications. It features a high-transmittance LCD cell and optimized driver circuitry designed to minimize power consumption, ensuring your device maintains its original battery life expectations.

Can I use this Sharp panel to replace a broken screen in my digital camera or camcorder?

Yes, this specific 5.7-inch QVGA module was widely used in professional digital camera electronic viewfinders (EVF) and high-end camcorder flip-screens. However, you must verify the physical dimensions and the specific CMOS/RGB pinout of your camera's internal ribbon cable before ordering.

What type of interface does the LQ057Q3D12 use?

This panel typically utilizes a Parallel RGB (CMOS) interface, which is standard for legacy mobile processors and portable device SoCs. Please consult the datasheet or contact our team to verify the exact pin configuration for your specific motherboard.

Where can I download the LQ057Q3D12 datasheet and initialization code?

We provide the official Sharp PDF datasheet, including precise mechanical outlines, active area dimensions, and interface timing diagrams, to verified buyers. Please contact our engineering support team directly via email to request your technical package.

Is the backlight on this 5.7" panel LED or CCFL?

Depending on the exact manufacturing batch and the specific device it was pulled from or designed for, the LQ057Q3D12 may feature either a low-power White LED backlight or a miniature CCFL tube. Please verify your device's backlight driver circuit (low voltage DC vs. high voltage inverter) before installation.

Do you offer bulk pricing for companies maintaining fleets of handheld scanners?

Absolutely. We actively support B2B wholesale orders for logistics companies, field-service repair depots, and medical equipment maintenance teams. Reach out to our sales department for custom tiered pricing based on your annual volume requirements.

Revive Your Portable Equipment Today

Don't let a cracked screen ground your field operations. Contact us today to request a quote for the Sharp LQ057Q3D12, or add this genuine 5.7" QVGA module to your cart for immediate secure shipping!

    Product Comparison
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    Resolution:
    Brightness:
    Contrast Ratio:
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    Signal Interface:
    Panel Type:
    Original Sharp LQ057Q3D12 5.7" 320x240 QVGA TFT LCD Panel

    Original Sharp LQ057Q3D12 5.7" 320x240 QVGA TFT LCD Panel

    LQ057Q3D12

    5.7"
    320(RGB)×240, QVGA 70PPI
    500 cd/m² (Typ.)
    350 : 1 (Typ.) (TM)
    65/65/65/40 (Typ.)(CR≥5)
    CCFL [1 pcs] , 50K hours , W/O Driver
    Parallel RGB (1 ch, 6-bit) , 33 pins Connector
    a-Si TFT-LCD, LCM
    LQ057Q3D12 is a 5.7" a-Si TFT-LCD, LCM Display screen Product from SHARP.According to SHARP's product specification sheet,LQ057Q3D12 display has a resolution of 320(RGB)×240, QVGA 70PPI, Contrast Ratio is 350 : 1 (Typ.) (TM),Viewing Angle is 65/65/65/40 (Typ.)(CR≥5),Lamp Type is CCFL [1 pcs] , 50K hours , W/O Driver,Signal Interface is Parallel RGB (1 ch, 6-bit) , 33 pins Connector,Brightness is 500 cd/m² (Typ.).Based on its characteristics, this model is recommended for application in Industrial and other products.The weight of LQ057Q3D12 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
    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
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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
    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
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    Customer Reviews
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    Comprehensive Score
    4.8 out of 5
    11 Reviews
    5 star
    81.8%
    4 star
    18.2%
    3 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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