Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Zejun Chen

Jianjun Wang

Xianfeng Yuan

Xiaoshi Liu

Min Wang

Shuai Liu

Yuanyuan Liu

Rui Wang

Hui Dong

Zhenzhou Xing

Xuanxuan Qiao

Kangxi Chen

The present disclosure is related to a display device and a circuit board (). The display device comprises a light-emitting module (), a circuit board () and a conductive structure (). The surface of the light-emitting module () is provided with a conductive portion (). The circuit board () is arranged on a back face () of the light-emitting module (), and has a first surface () close to the light-emitting module (). The first surface () of the circuit board () is provided with an exposed external conductive layer (), and the external conductive layer () is electrically connected to a ground wire of the circuit board (). The conductive structure () is located between the circuit board () and the light-emitting module (), and makes the external conductive layer () electrically connect to the conductive portion ().

Display device and circuit board

A timing controller includes a receiving circuit, a timing control circuit, and a plurality of insertion loss circuits. The receiving circuit is configured to receive N frames of signals. The timing control circuit is configured to: detect a bit error rate of an (M-1)-frame signal in a blanking interval of an M-frame signal; adjust a swing of the (M-1)-frame signal according to a target swing value corresponding to the bit error rate of the (M-1)-frame signal; and select the corresponding insertion loss circuit according to the target swing value corresponding to the bit error rate of the (M-1)-frame signal, wherein M and N are both positive integers, and M is greater than 1 and less than or equal to N. The present disclosure is applied to signal adjustment of the timing controller.

Timing controller, display device, and signal adjustment method

An electromagnetic interference suppression circuit, a driving method thereof, and an electronic apparatus are provided. In the electromagnetic interference suppression circuit, a signal generating sub-circuit may generate a plurality of parallel target sequence signals, each with a period greater than a period threshold and a quantity of target sequence signals greater than a quantity threshold; and a frequency generating sub-circuit may output a frequency-jittered drive signal, for driving a switch mode power supply to operate, to the switch mode power supply under the control of the plurality of parallel target sequence signals.

Electromagnetic interference suppression circuit, method for driving same, and electronic apparatus

The present disclosure is related to a display driving method. The display driving method may include obtaining a grayscale data voltage compensation table; calculating a value of VCOM shift amplitude corresponding to a row of sub-pixels on a display panel based on grayscale data voltages of a frame of an image to be displayed; obtaining a grayscale data voltage compensation value corresponding to the row of sub-pixels on the display panel based on the calculated value of VCOM shift amplitude and the grayscale data voltage compensation table; compensating grayscale data voltages actually inputted to the row of sub-pixels based on the grayscale data voltage compensation value to obtain compensated grayscale data voltages; and outputting the compensated grayscale data voltages to the row of sub-pixels during a display time of the frame of the image to be displayed.

Liquid crystal display device and driving method compensating grayscale data voltages to offset voltages of common electrode (VCOM) shift

A voltage regulation system, a driving circuit, a display device and a voltage regulation method are disclosed. The voltage regulation system, applicable to an electronic device, including a power supply circuit, a determination circuit and a regulation circuit. The power supply circuit is connected with the regulation circuit, and the power supply circuit is configured to provide a reference voltage and provide a first voltage inputted into the electronic device; the determination circuit is connected with the power supply circuit, and the determination circuit is configured to, according to the reference voltage and the first voltage, output a compensation voltage; and the regulation circuit is connected with the determination circuit so as to receive the compensation voltage, and the regulation circuit is configured to output a third voltage, according to the compensation voltage and a second voltage, in a case where the compensation voltage is not within a preset range.

Voltage regulation system, driving circuit, display device and voltage regulation method

The present disclosure provides a source driving circuit, a driving method, and a display device. The source driving circuit includes a gamma generating circuit, a gamma regulating circuit, and a control circuit. The gamma regulating circuit is configured to determine, according to a plurality of gamma reference voltage pairs, a first output voltage, a second output voltage, a third output voltage, and a fourth output voltage corresponding to each of the gamma reference voltage pairs. Further, the control circuit is configured to perform driving and displaying with the first output voltage in a first image frame, with the second output voltage in a second image frame, with the third output voltage in a third image frame, and with the fourth output voltage in a fourth image frame.

Source driving circuit, driving method and display device for decreasing color shift in large viewing angle

Provided are a timing controller, and a driving method and a display device thereof. The timing controller may include a detection circuit and a control circuit. The detection circuit may detect a symbol error rate of a drive signal transmitted from a control circuit to a source drive circuit, and send the symbol error rate to the control circuit. The control circuit may automatically adjust a voltage swing of the drive signal according to the symbol error rate of the drive signal, and may enable a magnitude of the adjusted voltage swing to negatively correlate with a magnitude of the symbol error rate. Therefore, electromagnetic interference is effectively reduced, and flexibility in reducing electromagnetic interference is improved.

Growing community of inventors

Beijing, China

Zejun Chen