Boe Technology Group Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Pengjun Chen

Jigang Sun

Wei Sun

Hao Zhang

Jian Qiao Sun

Zhen Wang

Rui Liu

Han Zhang

Fei Huang

Yun Qiao

Wenwen Qin

Shuang Zhao

Xiaozhou Zhan

Zhengkui Wang

Lele Cong

Lidong Wang

Ruijun Hao

Haijiang Wang

The calibration device is used for automatically calibrating capacitances of a sensing capacitor at various frequency points in the touch screen, and comprising a calibration circuit and a comparison circuit. The calibration circuit is connected with the sensing capacitor and the comparison circuit to transmit a calibration excitation signal to the touch screen to start calibration operations at the various frequency points, and calibrate the sensing capacitor in the touch screen according to a comparison result from the comparison circuit; the comparison circuit is used for comparing a preset capacitance with the capacitance of the sensing capacitor at a current frequency point in the touch screen to obtain the comparison result, and feeding the comparison result back to the calibration circuit, and the calibration circuit calibrates the capacitance of the sensing capacitor to a capacitance that matches with the current frequency point.

Calibration device and method for frequency point in touch screen, touch screen and display device

The present application provides a shift register unit, a shift register circuit, a driving method, and a display apparatus, and relates to the field of display technology. The method includes: in a reset phase in which a second node is at a first level, transmitting, by a control circuit, a second level signal to a first node and an output signal terminal under the control of a voltage at the second node; and in a normal operation phase, normally operating, by the shift register unit.

Shift register unit, shift register circuit, driving method, and display apparatus

A control device is disclosed, the control device configured to control a display module and comprising a judgment module and a storage module, wherein the judgment module is configured to receive a reference voltage and to receive a supply voltage of the display module, and is configured to judge whether the display module is supplied with power or not according to the reference voltage and the supply voltage; and the storage module is connected with the judgment module and is connected with a display screen of the display module, the storage module is configured to store a preset image, and where the display module is supplied with power, the storage module transmits the preset image to the display screen so that the display screen displays the preset image. A control method and a display device are also disclosed.

Control device and control method for display module, and display device

An electronic apparatus including a display panel integrated circuit, an erasable nonvolatile storage and a processor is provided. The erasable nonvolatile storage is configured to store a display panel integrated circuit driving program, and the processor is configured to drive the display panel integrated circuit based on the display panel integrated circuit driving program stored in the erasable nonvolatile storage. The electronic apparatus improves the research and development efficiency and reduces the waste of integrated circuits by using an erasable nonvolatile storage to store a display panel integrated circuit driving program. A driving method for an electronic apparatus is further provided.

Electronic apparatus and driving method thereof

The present disclosure relates to a package box and a liner for the same. The package box includes a hexahedral outer box body; a cover configured to cover an opening of the outer box body; a substantially hexahedral liner placed in the outer box body and having six side walls, at least one of which side walls is configured to be a movable side wall, each movable side wall being slidably coupled with the adjacent four side walls to change the volume of the liner; and at least one resilient member disposed between each movable side wall and the wall of the outer box body facing the movable side wall, or between each movable side wall and the cover respectively, to drive each movable side walls to move towards and to get in close contact with articles placed within the liner.

Package box and liner for the same

Growing community of inventors

Beijing, China

Pengjun Chen