觸控螢幕中的G+G結構是什麼？

With the rapid development of intelligent terminal devices, industrial automation, and human-computer interaction technologies, touch screens have become an important component of modern electronic devices. From smart home control panels to industrial equipment, medical instruments, and automotive display systems, the application scope of touch technology is constantly expanding. Among the numerous capacitive touch screen technologies available today, the G+G structure (Glass + Glass) has emerged as a common touch screen solution for industrial-grade and some high-end display devices due to its excellent mechanical strength, optical performance, dimensional stability, and reliability.

什麼是G+G技術？

G+G是Cover Glass（保護玻璃）和Glass Sensor（玻璃感應器）的縮寫, and it is a structural form of projected capacitive touch screen (referred to as PCAP or CTP). The first G (Glass): Cover Glass (protective glass), which is the surface protective glass cover plate. The second G (Glass): Sensor Glass (sensor glass), which is the glass substrate used to detect the touch position. In short, the G+G structure means that both the protective glass and the sensing glass of the touch screen are real glass. They are bonded together through optical adhesive (OCA), and then combined with the display module (TFT color screen or LCD liquid crystal display) to form a complete touch and display solution.

Two layers of glass are bonded together with optical adhesive to form a capacitive touch screen component with touch sensing function. When the G+G touch screen is combined with a TFT color screen or other LCD display screen, integrated interaction between the display screen and touch input can be achieved. The main advantages of the G+G structure are as follows:

1.機械強度高，抗衝擊性能優良

G+G結構在受到外部衝擊、跌落或重壓時可以更好地緩衝和分散應力。這對於戶外終端、工業設備、收銀機、自助終端等使用環境複雜的產品尤其重要。

2. 優異的光學性能，顯示更透明

採用G+G結構的TFT彩色螢幕和液晶顯示屏，色彩還原更加真實，影像更加明亮清晰，在強光環境下依然具有良好的可視性。

3.結構穩定，不易變形

玻璃基板具有良好的熱穩定性，並且在受到溫度變化時膨脹係數較低。在高溫或低溫環境下，不會像薄膜那樣起皺或變形。

4.表面光滑，易清潔，耐用。  

The glass surface is dense and smooth, not easy to absorb dust and oil stains, making cleaning very convenient. Meanwhile, glass has wear-resistant and scratch resistant properties, making it less prone to scratches during long-term use. This can significantly extend the lifespan of the display screen and reduce maintenance costs.

G+G結構觸控螢幕主要應用領域

G+G電容式觸控螢幕可適應各種尺寸的LCD液晶顯示器。憑藉其高解析度、高色彩飽和度、反應速度快、視角廣等優點，廣泛應用於工業、醫療、智慧設備等領域。

工業人機介面 (HMI)：工業控制設備需要極高的穩定性和耐用性。採用G+G結構的TFT彩屏，可在惡劣的車間環境下穩定運作。

醫療顯示終端：需要經常清潔和消毒。 G+G結構表面易於清潔且耐化學試劑，非常適合。

智慧家電面板：如智慧冰箱、洗衣機、烤箱等，它們集美觀與耐用於一體。

關於晶達顯示-您的專業製造商

深圳市精達顯示技術有限公司晶達顯示（Jingda Display）成立於2015年，是專業從事LCD、TFT、OLED顯示器研發、生產、銷售的製造商。本公司在顯示產業擁有超過10年的經驗，產品涵蓋單色液晶顯示器、TFT螢幕、OLED顯示模組和觸控顯示器解決方案。

晶達顯示優惠LCD、TFT 和 OLED 顯示模組 as well as customized touch display solutions. It can assist in evaluating suitable display and touch integration solutions based on the customer's product size, application environment, interface requirements and structural design. If you are looking for LCD, TFT, OLED, WELCOME CONTACT JDA TEAM. Our official website is www.jda-display.com