Boe Technology Group Co., Ltd.

Hefei Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Display Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Yanjiao Pan

Lei Wang

Jiantao Liu

Zhihua Sun

Dayu Zhang

Guohuo Su

Baoyu Liu

Shancai Zhang

Peng Xie

Xiaopeng Liu

Yueyuan Zhang

Shengfei Ma

Shufen Song

Jing Ma

Xueliang Yang

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

A method and a circuit for modulating an eye diagram amplitude, a method and a circuitry for data transmission, and a display device are provided. The method for modulating an eye diagram amplitude includes: an eye diagram amplitude setting step, including: setting, by a base eye diagram amplitude setting unit, a base eye diagram amplitude for a source driver; a preset differential signal outputting step, including: outputting, by a preset differential signal outputting unit, a preset differential signal to the source driver; a comparing step, including: comparing, by a comparing unit, a differential signal received by the source driver and the preset differential signal to obtain a comparison result; and a modulating step, including: modulating, by an eye diagram amplitude modulating unit, an eye diagram amplitude of the source driver based on the comparison result.

Method and circuit for modulating eye diagram amplitude, method and circuitry for data transmission, and display device

An adapter device for test, including: an adapter board having a voltage input terminal connected to an external power supply and an output terminal connected to a terminal to be tested; a voltage conversion circuit disposed on the adapter board and connected to the voltage input terminal and configured to convert the voltage of the external power supply received at the voltage input terminal into a test voltage to be supplied to the terminal to be tested; a feedback circuit connected to the voltage conversion circuit and configured to compare the test voltage with a reference voltage to provide feedback data; and a compensation circuit connected to the feedback circuit and the adapter board, and configured to generate a compensation voltage based on the feedback data and apply the compensation voltage to the adapter board to compensate for the test voltage.

Adapter device for text, terminal test system and test method

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Beijing, China

Yanjiao Pan