Abstract: The present disclosure provides an electrostatic protection circuit, a circuit board, and an electrostatic protecting method. The electrostatic protection circuit includes a first relay and a second relay, wherein a control terminal of the first relay and a control terminal of the second relay are configured to be connected to a power supply of a system circuit respectively, and wherein the first relay and the second relay are connected in series between the system circuit and a ground terminal to form a charge release path, and the first relay is switched from an open circuit state to a short circuit state when the system circuit is powered off, and the charge release path is in a turn-on state after the first relay is switched to the short circuit state, thereby releasing an electrostatic charge in the system circuit.

Abstract: The present disclosure provides a stereoscopic display panel, a stereoscopic display device, and a stereoscopic display method. The stereoscopic display panel includes a flexible self-luminous display thin film, and a depth-adjustment controllable drive board located below the flexible self-luminous display thin film, which is configured to be capable of adjusting respective depths of different parts thereof, thereby adjusting the depths of corresponding parts of the flexible self-luminous display thin film to implement a stereoscopic display.

Abstract: The present disclosure provides an electrostatic protection circuit, a circuit board, and an electrostatic protecting method. The electrostatic protection circuit includes a first relay and a second relay, wherein a control terminal of the first relay and a control terminal of the second relay are configured to be connected to a power supply of a system circuit respectively, and wherein the first relay and the second relay are connected in series between the system circuit and a ground terminal to form a charge release path, and the first relay is switched from an open circuit state to a short circuit state when the system circuit is powered off, and the charge release path is in a turn-on state after the first relay is switched to the short circuit state, thereby releasing an electrostatic charge in the system circuit.

Abstract: Embodiments of the present application disclose a method and a device of detecting a low voltage differential signal output to a liquid crystal display panel. In the method, the low voltage differential signal is decoded into a pixel color data signal; and then blanking signals of the pixel color data signal are counted.

Abstract: The present disclosure provides a stereoscopic display panel, a stereoscopic display device, and a stereoscopic display method. The stereoscopic display panel includes a flexible self-luminous display thin film, and a depth-adjustment controllable drive board located below the flexible self-luminous display thin film, which is configured to be capable of adjusting respective depths of different parts thereof, thereby adjusting the depths of corresponding parts of the flexible self-luminous display thin film to implement a stereoscopic display.

Abstract: Embodiments of the present application disclose a method and a device of detecting a low voltage differential signal output to a liquid crystal display panel. In the method, the low voltage differential signal is decoded into a pixel color data signal; and then blanking signals of the pixel color data signal are counted.

Abstract: Provided are a common voltage adjustment circuit for a display panel and a display apparatus. The adjustment circuit comprises: a filter unit (101) configured to filter a PWM signal provided externally and provide a DC voltage signal obtained through the filtering to a first voltage clamp unit; a first voltage clamp unit (102) configured to adjust the DC voltage signal to obtain a first adjusted signal and provide the first adjusted signal to a feedback amplification unit; a feedback amplification unit (103) configured to amplify the first adjusted signal to obtain a first amplified signal and provide the first amplified signal to a second voltage clamp unit; and a second voltage clamp unit (104) configured to adjust the first amplified signal to output a second adjusted signal and provide the voltage value of the second adjusted signal to the display panel.

Abstract: A display device housing includes a body, the body is provided with a tuning cavity, the tuning cavity is configured for accommodating a loudspeaker of a display device, the tuning cavity is provided with an inverter tube therein, an opening of the inverter tube corresponds to a space at a rear side of the loudspeaker, and another opening of the inverter tube is provided toward a sound-emitting area of an outer wall of the body and communicates with outside of the housing. This display device housing resolves the problems that a display product is easily subjected to bloop, the sound being not loud enough and poor sound effect. Also a display device is provided.

Abstract: Provided are a common voltage adjustment circuit for a display panel and a display apparatus. The adjustment circuit comprises: a filter unit (101) configured to filter a PWM signal provided externally and provide a DC voltage signal obtained through the filtering to a first voltage clamp unit; a first voltage clamp unit (102) configured to adjust the DC voltage signal to obtain a first adjusted signal and provide the first adjusted signal to a feedback amplification unit; a feedback amplification unit (103) configured to amplify the first adjusted signal to obtain a first amplified signal and provide the first amplified signal to a second voltage clamp unit; and a second voltage clamp unit (104) configured to adjust the first amplified signal to output a second adjusted signal and provide the voltage value of the second adjusted signal to the display panel.

Abstract: A display device housing includes a body, the body is provided with a tuning cavity, the tuning cavity is configured for accommodating a loudspeaker of a display device, the tuning cavity is provided with an inverter tube therein, an opening of the inverter tube corresponds to a space at a rear side of the loudspeaker, and another opening of the inverter tube is provided toward a sound-emitting area of an outer wall of the body and communicates with outside of the housing. This display device housing resolves the problems that a display product is easily subjected to bloop, the sound being not loud enough and poor sound effect. Also a display device is provided.

Abstract: A controller for reducing the harmonics contents in the AC-to-DC converter that is capable of minimizing THD due to crossover distortion. The controller can approximate the shape of the current running through boost inductor to the sinusoidal waveform of the rectified line input voltage and in the meantime to keep the valley of rectified sinusoidal waveform line voltage close to local ground value. The controller can be used in a transition mode power factor correction device suitable for a wide range of AC line input voltage and output loading application.

Abstract: The present invention relates to clamp protection circuit and a PFC control circuit employing such clamp protection circuit. Said clamp protection circuit comprises a high voltage isolation module used for receiving power from a high voltage power supply; a voltage clamp module used for receiving an output low voltage from the high voltage isolation module and realizing a clamp protection; and a low voltage bias module used for providing bias voltage to the high voltage isolation module and the voltage clamp module. By employing the clamp protection circuit, the precision of the clamp voltage is improved, the design is simplified and the silicon area is reduced. Meanwhile, the transient response is enhanced.

Abstract: The present invention relates to clamp protection circuit and a PFC control circuit employing such clamp protection circuit. Said clamp protection circuit comprises a high voltage isolation module used for receiving power from a high voltage power supply; a voltage clamp module used for receiving an output low voltage from the high voltage isolation module and realizing a clamp protection; and a low voltage bias module used for providing bias voltage to the high voltage isolation module and the voltage clamp module. By employing the clamp protection circuit, the precision of the clamp voltage is improved, the design is simplified and the silicon area is reduced. Meanwhile, the transient response is enhanced.

Abstract: The present invention relates to controller for reducing the harmonics contents in the AC-to-DC converter.