{"id":2681,"date":"2020-05-19T14:12:47","date_gmt":"2020-05-19T05:12:47","guid":{"rendered":"https:\/\/connect.nissha.com\/filmdevice\/?page_id=2681"},"modified":"2025-04-30T11:07:51","modified_gmt":"2025-04-30T02:07:51","slug":"capacitive","status":"publish","type":"page","link":"https:\/\/connect.nissha.com\/filmdevice\/en\/nisshatouch\/solution\/","title":{"rendered":"Touch screen Solutions"},"content":{"rendered":"
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\n\u25b7 Contact Nissha<\/a>\n<\/div>\n<\/div>\n

The diversification of electronic devices has led to a wide range of requirements for capacitive touch screens, including usage in harsh environments, compatibility with large displays, and adaptability to various shapes such as curved surfaces.<\/p>\n

Solutions<\/h2>\n
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Automotive displays<\/a><\/h3>\n

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Enhanced display visibility<\/a><\/h3>\n

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Module assembly<\/a><\/h3>\n

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Touch input in outdoor\/rugged environment<\/a><\/h3>\n

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Touch input on 2.5D curved
surfaces<\/a><\/h3>\n

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Ultra thin and light<\/a><\/h3>\n

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Ultra narrow bezel<\/a><\/h3>\n

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Automotive displays<\/h3>\n
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Touch screens for automotive applications require high reliability and durability.
Nissha’s touch screens enable long-term reliaibility and operation under high-temperature environments, utilizing anti-corrosion technology that protects the metal wiring. Furthermore, Nissha is certified for IATF 16949.<\/p>\n

\t\t\t\t\tTechnology details: Material technologies<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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Enhance visibility<\/h3>\n
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Nissha’s touch screens utilize optically isotropic COP film, which minimizes the occurrence of rainbow and enhances visibility.
MidCell\u2122 structure option utilizes polarizer film and minimizes reflections to maximize display clarity.<\/p>\n

\t\t\t\t\tTechnology details: Material technologies<\/a>\u3001MidCell\u2122<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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Module assembly<\/h3>\n
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Touch screen solutions tailor-made to meet customer’s specific needs, ensuring flexibility to accommodate customer’s preferences.
\n\t\t\t\t\t– Sensor
\n\t\t\t\t\t– Sensor + FPC + cover panel\/glass (touch screen)
\n\t\t\t\t\t– Sensor + FPC + cover panel\/glass + LCD (touch screen with LCD)\u3000<\/p>\n

\t\t\t\t\tTechnology details: Process Technology<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\"\"<\/div>\n<\/div>\n\n\n\n\n
Product<\/th>\nModue assembly options<\/th>\nImage<\/th>\n<\/tr>\n
Sensor<\/th>\nSensor<\/th>\n\"\"<\/td>\n<\/tr>\n
Sensor
+FPC<\/th>\n		\"\"<\/td>\n<\/tr>\nTouch screen<\/th>\nSensor
+FPC
+Cover panel<\/th>\n		\"\"<\/td>\n<\/tr>\nTouch screen
with display<\/th>\n		Sensor
+FPC
+Cover panel
+LCD\/OLED<\/th>\n		\"\"<\/td>\n<\/tr>\n<\/table>\n<\/div>\n
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Touch input in harsh environment<\/h3>\n
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Touch input with heavy gloves and water can cause touch input issues. Nissha touch screens can provide accurate touch input and can overcome these issues.<\/p>\n

\t\t\t\t\tTechnology details: Process Technology<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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With water drops<\/h4>\n

Capacitive touch screens operate by detecting changes in capacitance between the fingertip and the sensor. However, when the surface of the touch screen is wet with liquids such as water, noise can occur, leading to issues with signal detection.
The video below demonstrates test results showcasing the ability to prevent incorrect inputs and unintended reactions, even when water droplets are present on the touch screen’s surface.<\/p>\n<\/div>\n<\/div>\n

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Operation demo with 10cc water<\/h3>\n

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Operation demo with small amount of water droplets<\/h3>\n

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Input with gloves<\/h4>\n

Gloves are made of insulating materials such as rubber or textile fabrics. When touch screens are input while wearing gloves, the distance of the insulator between the finger and the sensor increases, resulting in a weaker input signal.
The following video presents test results showing that input is possible even while wearing rubber gloves with a thickness of 2 mm or cloth gloves with a thickness of 1.5 mm. This technology ensures operation not only in industrial settings but also in medical applications and cold regions.<\/p>\n

Examples of Use:
\n– Use in Medical Settings: Operating medical equipment while wearing rubber gloves
\n– Industrial Applications: Operating machinery in manufacturing sites or handling information terminals in cold storage warehouses.
\n– Outdoor Use in Cold Regions: Operating information terminals while wearing gloves in cold outdoor environments<\/p>\n<\/div>\n<\/div>\n

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Cotton Gloves (1.5mm thickness\uff09<\/h3>\n

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Latex Gloves (2.0mm thickness\uff09<\/h3>\n

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Nitrile Gloves<\/h3>\n

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Touch input on 2.5D curved surfaces<\/h3>\n
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Glass touch screens had the drawback of being unsuitable for use on curved surfaces. However, Nissha’s touch screens, being film-based and flexible, can be laminated onto 2.5D curved displays.<\/p>\n

\t\t\t\t\tTechnology details: Process Technology<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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Ultra thin and light<\/h3>\n
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In a typical capacitive touch screen, the sensor is formed using two transparent electrode films, one for the X-axis and one for the Y-axis. Nissha has developed technology to form transparent electrodes on both sides of an extremely thin film with a thickness of just 100 \u03bcm. This allows us to introduce a touch screen that is thinner and lighter than conventional capacitive touch screens.<\/p>\n

\t\t\t\t\tTechnology details: Process Technology<\/a><\/p>\n<\/p><\/div>\n

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Ultra narrow bezel<\/h3>\n
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By narrowing the bezel of the touch screen, we contribute to maximizing the display area. Nissha achieves a narrower bezel for metal wiring (Cu) using advanced photolithography technology, enabling fine patterning with a Line\/Space ratio of 10\/10 \u03bcm. Furthermore, by patterning the transparent electrode (ITO) and the metal wiring (Cu) in a single process, it is possible to align them with high positional accuracy, allowing for even narrower bezels.<\/p>\n

\t\t\t\t\tTechnology details: Material technologies<\/a>\u3001Process Technology<\/a><\/p>\n<\/p><\/div>\n

\"\"<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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