Device to measure the temperature of a liquid crystal display, mobile phone, portable computer, and, process to manufacture a device to determine the temperature of an liquid crystal display

摘要

Device for measuring the temperature of a crystal display lu00ecquido, mobile phone, notebook computer, and,Process for fabricating a device to determine the temperature of a crystal display lu00ecquido "the temperature of an LCD (43), for example, provided in a mobile telephone (41),Is measured by covering the LCD (43) with a blade at the bottom of the screen of "touch" driver (42) having known resistance temperature relationship.A resistor is stable in the temperature (44) is connected to the blade at the bottom of the screen of "touch" (42), and a voltage is applied over the resistor and the blade.The voltage signal between the resistor (44) and the blade at the bottom of the screen of "touch" (42) is measured and converted into a digital representation by a A / D converter (45).The measured voltage signal is used to calculate the temperature of the blade at the bottom of the screen of "touch" which is substantially equal to the temperature of the LCD (43).