Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Xueliang Yang

Jiantao Liu

Zhihua Sun

Guohuo Su

Baoyu Liu

Yanjiao Pan

Jing Ma

A temperature control circuit of a driver chip, a temperature control method of the driver chip, a power management integrated chip, a timing control driver board and a display apparatus are disclosed. The temperature control circuit includes a switching transistor, a comparison circuit and a control circuit; a first electrode of the switching transistor is connected with a first node, a second comparison end and the first electrode or a second electrode of the switching transistor are connected to a second node; the control circuit is configured to output a first reference voltage to the comparison circuit, the comparison circuit is configured to compare a magnitude relationship between a voltage on the second comparison end and the first reference voltage and output a comparison result; the control circuit acquires the comparison result and determines whether an output current on the boost circuit is excessively large.

Temperature control circuit and temperature control method of driver chip and timing control driver board

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Beijing, China

Xueliang Yang