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HOME  /  Product  /  Touch Panel  /  4.3" PCAP For TFT LCD Display GT911 Controller I2C Interface
  • Product Description
  • Customized Services
  • Attributes
  • 4.3-inch PCAP | Suitable for TFT LCD displays | GT911 controller - I2C interface

    This touch panel, designed specifically for 4.3-inch TFT LCDs, leverages its core advantages to become an ideal companion for high-definition display applications. Its integrated GT911 driver chip is the cornerstone of an exceptional touch experience. This chip not only ensures stable and reliable operation across a wide operating temperature range (-20°C to 70°C) and in harsh environments (≤90% RH), but also provides high sensitivity and precise touch positioning, delivering a smooth, responsive, and durable user experience. Its interface utilizes the I2C protocol, offering significant advantages. Requiring only two key signal lines, SCL (clock) and SDA (data), along with power and ground, it enables efficient and streamlined data transmission. This highly integrated interface design greatly simplifies connection to the host control system, optimizes PCB layout space, and reduces system complexity and wiring costs, making it particularly suitable for integration into compact 4.3-inch devices.


    Critically, the panel boasts exceptional optical performance, with a light transmittance exceeding 85%. Such high light transmittance means that the loss of light emitted by the TFT LCD display's backlight source as it penetrates the touch layer is significantly reduced, preserving the original image's brightness, color saturation, and contrast to the greatest extent possible. This directly translates into an improved visual experience for end users—images presented on the display are brighter and more vivid, details are sharper, and colors are more realistic and saturated, fully unleashing the high-definition image quality potential of the 4.3-inch TFT LCD. Combining the stable and high-performance touch control provided by the GT911 chip, the simple and efficient connection of the I2C interface, and the top-notch display quality guaranteed by high light transmittance, this touch panel is undoubtedly the best partner for 4.3-inch TFT LCD displays that pursue a high-quality visual and interactive experience.


    CTP-H04399.png


  • Datasheet for Touch Panel,Controller↓

    Name Date Size
    CTP-H04399 August 08, 2025 79.58KB
  • Customized material: Customized touch cover of various materials: such as tempered glass (up to 7H), acrylic material, etc.

    Customized special-shaped contour: Support special-shaped cutting/opening/edging (2.5D, 3D)/transmittance.

    Cover color and logo silk screen customization: Supports silk screen printing in different colors (usually black or white); supports silk screen printing of logos in multiple colors.

    Customized cover thickness:  0.55/0.7/1.0/1.1/1.8/2.0/3.0/4.0/5.0/6.0/8.0/10.0(mm)etc.

    Customized different transmittance: High light transmission efficiency, which directly affects the visual effect of the touch screen.

    Opening service:  Through holes with a diameter of ≤10mm can be opened.

    Cover surface treatment:  Optional touch screen surface treatment methods are available: AG anti-glare/AR anti-reflection/AF anti-fingerprint.


  • ITEM

    Parameter description

    Unit

    CTP model

    CTP-H04399


    Viewing window size (mm)

    95.44x54.26

    Mm

    Appearance size (mm)

    105.2x67.0x1.6

          mm

    Driver chip

    GT911


    Structure

    G+G


    Interface

    I2C


    Cover shape

    aTouch


    Connection method

    6 PIN FFC plug


    Surface hardness

     H6


    Transmittance

    ≥85%


    Operating voltage

    +3.3V

    V

    Operating temperature

    -20℃ ~ 70℃


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