Your Professional Custom Capacitive Touch Panel Supplier
Founded in 2017, MQ is a professional manufacturer of capacitive touchscreens and TFT LCD displays. With two production bases in Shenzhen and Dongguan, covering 3,000 square meters, our factory operates three dedicated production lines with a capacity of 500,000 touch panels per month. MQ’s team of experienced engineers supports both standard and custom display projects, equipped with Class 1000/100 cleanrooms and advanced optical bonding, lamination, and testing systems. provides reliable display solutions trusted by global clients.
Why choose us
Our Certificate
Our products are certified by IATF 16949 for the automotive supply chain and ISO 9001:2015 for management systems, ensuring top-tier quality across all stages of production.
Extensive R&D and Patented Solutions
With over 2,000 projects and 23+ patented solutions, our R&D department is at the forefront of cutting-edge display technologies, enabling us to support diverse client needs from IoT to aerospace.
Comprehensive Customer Support
From pre-sales technical consultation to after-sales services including warranty and on-site support, MQ provides tailored, responsive solutions for every step of the product lifecycle.
Sales Market
With 200+ international clients across Asia-Pacific, North & South America, and Europe, MQ serves industries like healthcare, automotive, and smart home systems, delivering displays that meet the most demanding requirements.
Custom Small Size Capacitive Touch Screen Panels
A small-size capacitive touch panel is a small touch screen that detects touch through an object's capacitance. It consists of transparent conductive layers that sense changes in the electrostatic field when a user touches the screen. Small panels are suitable for space-constrained applications.
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Parameter |
Details |
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Available Sizes |
2.4", 3", 3.9", 3.99" (Other sizes upon request) |
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Technology |
Projected Capacitive (PCAP) |
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Touch Points |
1 to 10 points |
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Cover Glass |
Custom thickness (0.4-2.0mm), various coatings (AG/AR/AF) |
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Interface |
I2C, USB (Custom pin-out available) |
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Transparency |
≥ 85% |
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Operating Temperature |
-20°C to +70°C (Extended range available) |
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Storage Temperature |
-30°C to +80°C |
Features of Custom Small Size Capacitive Touch Screen Panels
Multi-touch capability:
A small capacitive touch screen panel can accommodate various numbers of simultaneous touches from one to many. Panels with a minimum of two-touch capability are referred to as ""pinch and zoom"" enabled and are commonly used on mobile devices. Higher numbers of multi-touch panels provide a more immersive experience and are used in virtual reality gloves and gaming controllers.
Projected capacitive (PCAP) technology:
This technology uses the capacitive coupling of the human body to create touch samples on the screen. It consists of a glass panel with a grid of capacitive sensors. It detects changes in capacitance when a finger comes into contact with the screen. PCAP technology is known for its durability, clarity, and support for multi-touch.
Analog resistive screen:
This small touch panel screen is made of two flexible glass layers coated with a clear resistive metal oxide. When the top layer is pressed down, it touches the bottom layer, creating a voltage that is measured. The voltage for both X and Y coordinates is used to calculate the touch point. Analog resistive screens allow only one touch at a time and work well with gloves, stylus pens, and forceps.
Digital capacitive touch:
Digital capacitive screens have a layer of microfine capacitors and a layer of glass that works together. When a finger touches the screen, the electric field between the capacitors changes, allowing for precise touch detection. Digital capacitive screens are known for their durability, optical clarity, and fast response times.
Visual feedback:
Small size touch panels provide real-time visual feedback when a touch gesture is detected. This visual feedback enhances the user experience and responsiveness of the device. Haptic feedback, on the other hand, refers to the vibrations that are felt when a button is pressed, which creates a sensation of clicking.
Edge-to-edge design:
Touch edge-to-edge screens go all the way to the edges of the device. They offer a modern look and larger display area without bezels.
Ambient light rejection:
Some touch panels reject ambient sunlight or room light so that they can be used outdoors in bright sun. This feature improves visibility and reduces false touches.
Single-touch capacitive touch panels: These types of small capacitive touch panels can only detect one touch at a time.Single-touch panels work by measuring the change in capacitance at a single point of contact on the screen.
Multi-touch capacitive touch panels: Unlike single-touch panels, multi-touch capacitive panels can detect simultaneous touches at multiple points.
Applications of Custom Small Size Capacitive Touch Screen Panels
Emergency equipment: Touch panels are widely used in emergency equipment, such as police and fire emergency alarms.
Medical devices: The small size capacitive touch panel is a critical component of various medical devices, from portable to fixed medical equipment.
Industrial controls: Small capacitive touch panels simplify the control of industrial machinery. Operating environments in industrial settings can be harsh due to high temperatures, dust, or moisture.
Consumer electronics: The small capacitive touch panel is widely used to enhance the sleek design and functionality of consumer electronics.
Robotics: Incorporating capacitive touch panels into robots improves interaction with users and operators.
Smart home products: Small capacitive touch panels are ideal for smart home products, such as smart home locks, smart lighting, and thermostats.
Surface Treatment and Coatings of Custom Small Size Capacitive Touch Screen Panels
Anti-Scratch Coatings
Hard coating layers (e.g., SiOx) protect against abrasion from keys, tools, or frequent finger contact.
Oleophobic Coatings
Repel oils and fingerprints, maintaining screen clarity and reducing smudging—especially important in touch interfaces.
Anti-Reflective (AR) Treatments
Minimize glare in bright environments, improving readability outdoors or under strong lighting.
Hydrophobic Coatings
Help prevent water droplets from interfering with touch response, beneficial in humid or wet conditions.
Projected Capacitive (P-Cap): The most common type, supporting multi-touch gestures, high accuracy, and glove/finger compatibility. Ideal for modern UIs requiring intuitive interaction.
Sensing Resolution: Ensure the panel supports sufficient touch points and positional accuracy for your application (e.g., gesture control vs. simple tap input).
Response Time: Look for low latency (<10ms) for smooth user feedback.
Signal-to-Noise Ratio (SNR): Higher SNR improves reliability in electrically noisy environments (e.g., industrial equipment).
Controller Compatibility: Verify that the touch controller IC is compatible with your host system (MCU, SoC, or driver board).
Custom Small Size Capacitive Touch Screen Panels
Available Sizes:2.4", 3", 3.9", 3.99" (Other sizes upon request)
Resolution and aspect ratio: Depending on application needs (e.g., UI clarity or compatibility), manufacturers may adjust pixel density and screen proportions.
Connector type and interface: Customization includes FPC (flexible printed circuit) connectors, pin count, and communication protocols such as I²C or SPI.
Environmental durability: Add-ons like waterproof sealing, anti-glare coating, or EMI shielding can be integrated for harsh operating environments.
Use longevity
Avoid high temperatures
Prolonged exposure to heat above 50°C (122°F) can degrade the adhesive layers and reduce touchscreen sensitivity.
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Protect from chemicals
Harsh cleaners, solvents, or alcohol-based wipes may damage the anti-reflective or oleophobic coatings on the screen surface.
02
Prevent physical impact
Although capacitive screens are durable, direct impacts or pressure from sharp objects can crack the glass or disrupt internal circuitry.
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Use clean, dry fingers
Oils, dirt, and moisture from hands can accumulate on the surface, leading to reduced touch accuracy and increased wear over time.
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Implement protective overlays
Adding a tempered glass or polymer cover can extend the life of the original panel without affecting touch performance.
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FAQ
As one of the most professional custom capacitive touch panel manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy bulk customized custom capacitive touch panel from our factory.
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