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Method for the use of thermal-chromatic plastic in handheld electronic devices

IP.com Disclosure Number: IPCOM000005128D
Publication Date: 2001-Aug-15
Document File: 1 page(s) / 10K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method for the use of thermal-chromatic plastic in handheld electronic devices. Benefits include consumer appeal in addition to the functionality of the device.

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Method for the use of thermal-chromatic plastic in handheld electronic devices

Disclosed is a method for the use of thermal-chromatic plastic in handheld electronic devices. Benefits include consumer appeal in addition to the functionality of the device.

A plastic exists which changes from one color to another as its temperature rises and falls. Several color combinations are available and transition temperatures can be tuned to some degree. Color changes between room temperature and the temperature when held by a person's hand.

The external case of a plastic device such as a keyboard, game controller or mouse would be molded the cooler-change plastic. The user's hand or finger would leave a temporary shadow image that is a different color from the surrounding plastic. After a pre-determined time, the image would fade as the area of contact returns to its prior temperature.

During normal usage, most plastic devices remain one color under all reasonable conditions. Exceptions include such things as irreversible degradation of color due to exposure to sunlight or the white appearance that some materials take on when they are bent or stretched too far. The novelty of temperature-sensing material provides consumer appeal especially in products targeted at children and young adults.

Initial applications of this polymer could include injection-molded cases for products such as the wireless mouse, keyboards, chat pad, game controllers, toys, and cameras.

Disclosed anonymously