Your Professional Touch Module Supplier
Gatech Electronic Technology LTD is a subsidiary of (Hong Kong) Gatech Electronic Technology Co., LTD in Shenzhen China, specializing in 2.4-15.6 inch LCD modules, touch panel, and display driver boards, customized design widely used in automotive, medical, security, industrial control, Marine etc. applications. Gatech supply developing, manufacturing, sales and after-sales one stop services.
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Capacitive touch display panel
We're professional Capacitive touch display panel manufacturers and suppliers in China. Our factory Add to Inquiry -
Custom CTP Capacitive Touch Screen Optical Bonding
Resolution ： 1280*720 Active area ：177.024(W) X 99.576(H) Luminance(cd/㎡) ：600 LED life time(Typ.) Add to Inquiry
Why choose us
Our Service
R&D engineers support for the design, technology and structure before production.
IPQC teams follow up the whole process during the production.
OQC 100% inspection before shipment.
OEM / ODM customized sizes and other specification.
Our Certificate
Gatech obtained National High-tech enterprise / Innovative enterprise / scientific and technological enterprise qualification & IATF16949 quality system certification.
Product Application
Widely used in automotive, medical, security, industrial control, shipbuilding and other fields.
Production Market
Europe, America, Southeast Asia, China Domestic, 200K pcs/month, U$5 million / year.
Touch Module
Touch Moduleare integral elements in the architecture of digital displays, encompassing a wide range of electronic components that collectively produce the visual output we encounter on devices like smartphones, tablets, and flat-screen TVs. They serve as the nexus where hardware meets user interface, channeling electrical signals into pixels that render images and information. Touch Module hold a prominent position due to their transformative impact on user interaction. These modules enable touch-based input, a feature that has revolutionized the way we engage with technology.
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(Application scenarios) |
Small size display |
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(Outline dimension,W * H * D) |
15.80*27.00*1.66 |
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(Active area) |
11.52*20.16 |
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(Resolution) |
80*160 |
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(Pixel pitch) |
0.144(H)*0.126(V) |
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(View area) |
/ |
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(Weight) |
/ |
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(Back-light) |
1-LED Lighting |
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(Display interface) |
4-wire-SPI 33PIN |
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(LED Life-Time) |
15000Hrs(min.) |
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(Viewing Direction) |
6 |
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(Luminance Contrast Ratio) |
/ |
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(Luminance of White) |
Customized |
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(High temperature storage test) |
Ta = 70°C , 240 hrs |
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(Low temperature storage test) |
Ta = -30°C , 240 hrs |
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(High temperature & high humidity operation test) |
Ta = 60°C ,90%RH, 240 hrs |
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(Low temperature operation test) |
Ta = -20°C , 240 hrs |
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(Thermal shock) |
Ta = -20 °C ↔ 60 °C (0.5 hr), 60%± 3%RH, 100 cycle |
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(Electro-static discharge test |
Air : 150 pF, 330Ω, 15 KV |
Features of Touch Module
Sensitivity and Precision:
Touch screen modules are engineered to detect the slightest touch or gesture with exceptional precision, making them adept at recognizing finger movements, stylus input, or even gloved touches.
Layered Architecture:
Typically, touch screen modules are composed of multiple layers, including a protective cover, touch-sensitive layer, and display. This layered structure ensures both durability and responsiveness.
Diverse Technologies:
Touch screen modules come in various technologies, such as resistive, capacitive, and infrared. Each technology employs distinct methods for detecting touch, rendering them suitable for specific applications.
Versatile Applications:
Beyond personal devices like smartphones and tablets, touch screen modules find application in diverse sectors, including interactive kiosks, ATMs, medical equipment, automotive infotainment systems, and more.
Advantages of Touch Module
01
Ease of Use
Touchscreens put everything at our fingertips. Simply tapping them makes them easy for almost everyone, even those with limited mobility.
02
Speed
Touchscreens provide quick and easy access to vast amounts of data and information. Even browsing this data is faster than with a standard computer.
03
Size
Touchscreens are compact; some can fit in your hand or pocket. Others feature large displays that are clearly visible from several meters away. The choice of touchscreen sizes is very flexible, making it easy to find the size that meets your needs.
04
Durability
Although made of glass, touchscreens are designed to be (relatively) durable and withstand frequent and intense use. When optically bonded by a professional team, the touchscreens become incredibly robust, able to withstand harsh environments and heavy daily use.
05
Cleaning
Because touchscreens are handled by so many people daily, they can easily pick up germs and spread them from person to person. Fortunately, disinfecting and cleaning them is easy and effortless.
Type of Touch Module
Capacitive Touch Screens
Capacitive touch screens use the electrical properties of the human body to detect touch. They are known for their high sensitivity and support multi-touch gestures, making them popular in smartphones and tablets.
Resistive Touch Screens
Resistive touch screens consist of multiple layers that detect pressure applied to the screen. While they can be used with a stylus or gloved hand, they typically do not support multi-touch.
Infrared Touch Screens
Infrared touch screens use an array of sensors to detect the presence of a finger. They are durable and can be used in various environments, including outdoor applications.
Applications of Touch Module
Consumer Electronics:
Touch display modules are common in smartphones, smart watches, and digital cameras, providing users with seamless navigation and control.
Automotive Systems:
In-vehicle infotainment systems and navigation displays often contain touch display modules for driver convenience and safety.
Retail and Hospitality:
Interactive kiosks and POS systems utilize touch display modules to facilitate easy and efficient customer interactions.
Structure of Capacitive Touch Display Panel
Cover Glass:
The outermost layer of the touch screen, responsible for protecting the underlying components from damage and providing a smooth surface for touch input.
01
Conductive Layer:
Located beneath the cover glass, this layer contains a grid of conductive material, typically indium tin oxide (ITO). The conductive layer forms the sensing surface of the touch screen and detects changes in electrical charge.
02
Dielectric Layer:
Positioned between the conductive layer and the display panel, the dielectric layer insulates the conductive layer from the display panel and helps maintain the capacitance of the touch screen.
03
Display Panel:
The underlying display panel, which may be LCD (Liquid Crystal Display) or OLED (Organic Light-Emitting Diode), presents the visual output of the device.
04
How to detect touch
Mutual Capacitance: In mutual capacitance, the touch screen's conductive layer is divided into rows and columns, creating a grid-like structure. When a finger touches the screen, it creates a conductive path between specific rows and columns, causing a change in capacitance at that intersection. By measuring these changes in capacitance, the touch screen can determine the precise location of the touch.
Self-Capacitance: In self-capacitance, the touch screen's conductive layer forms a single continuous surface. When a finger touches the screen, it alters the capacitance of the entire surface. By analyzing these changes in capacitance, the touch screen can determine the position and size of the touch.
How Do Touch Module Operate
Electrode Grid:
Touch screens incorporate a grid of electrodes that emit electrical signals across the screen's surface.
Touch Detection:
When a user touches the screen, their contact disrupts the electrical signals. The touch screen module interprets this disruption and calculates the precise location of the touch.
Communication with the Device:
The module communicates this touch data to the device's processor, which translates it into user interactions such as opening applications, scrolling, and text input.
Maintenance and Care of Capacitive Touch Display Panel
Cleaning
To clean a capacitive touch screen, use a microfiber cloth and a gentle cleaning solution. Avoid using abrasive materials that could scratch the surface. Regular cleaning helps maintain clarity and responsiveness.
Protection
Using screen protectors can help prevent scratches and damage. Additionally, keeping devices in protective cases can reduce the risk of impact damage.
Troubleshooting Common Issues
If a capacitive touch screen becomes unresponsive, it may be due to dirt or moisture on the surface. Cleaning the screen often resolves these issues. If problems persist, it may require professional servicing.
FAQ
Find professional touch module manufacturers and suppliers in China here! Please rest assured to buy high quality touch module made in China here from our factory. Contact us for more details.
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