5results about How to "Improve display stability" patented technology

The invention provides a display panel and a display device, and relates to the technical field of display, pixel driving lines and data lines are electrically connected with pixel driving circuits respectively and are used for transmitting control signals and data signals to the pixel driving circuits respectively; the shift register circuit is used for transmitting control signals to the pixel driving lines, and the gating circuit is used for transmitting data signals to the data lines. The shifting register circuit comprises a plurality of cascaded shifting registers, namely a plurality of cascaded first shifting registers and a second shifting register cascaded with the first shifting registers, and the first shifting registers are located in the area where the pixel driving circuit array is located. The second shifting register is located on the side, facing the edge of the display panel, of the pixel driving circuit array, and the gating circuit is located between the pixel driving circuit array and the second shifting register. Therefore, the signal interference between the shift register circuit and the data line can be reduced, and the display accuracy of a display product can be improved.

The present application belongs to the field of display driving technology, and specifically relates to a pixel circuit, a pixel driving method and a display panel. The pixel circuit includes: a first switch tube, a liquid crystal capacitor, a voltage neutralization unit and a reset unit; the first end of the voltage neutralization unit is connected to the first end of the liquid crystal capacitor, and the voltage neutralization unit is used to neutralize the voltage in the liquid crystal capacitor at the end of charging; the reset unit is used to reset the voltage in the voltage neutralization unit during the charging stage; the present application neutralizes the voltage in the liquid crystal capacitor after charging through the voltage neutralization unit, so that the liquid crystal molecules rotate multiple times within one frame, so that the emitted light can have different emission angles, which greatly improves the display viewing angle and also improves the transmittance of the display panel.

The application discloses a display device and a display control method, and belongs to the technical field of display. The display device comprises a display panel, a display driving module and a backlight module. A pixel array in the display panel comprises a plurality of pixel groups, and each pixel group comprises a plurality of pixel rows in the pixel array. One display frame period comprises a plurality of display subframes corresponding to the pixel groups. One display subframe comprises a scanning and writing sub-time domain, a liquid crystal response sub-time domain and a backlight driving sub-time domain arranged in sequence. The display driving module is used for writing display data into the pixel group corresponding to the display subframe in the scanning and writing sub-time domain in the display subframe in a first display mode. The backlight module is used for providing backlight for the display panel in the backlight driving sub-time domain in the display subframe in the first display mode. The display device provided by the application eliminates the visual flicker problem of the liquid crystal display panel caused by the excessively low frequency of the backlight turning on at a low refresh rate.

The utility model discloses a water level display device for a fire-fighting pool, which comprises the fire-fighting pool, a water inlet pipe and a water outlet pipe arranged at the top of the fire-fighting pool, an overflow pipe arranged on the side edge of the fire-fighting pool, a liquid level cylinder arranged on the fire-fighting pool, a water inlet arranged between the fire-fighting pool and the liquid level cylinder, a guide rod arranged in the liquid level cylinder, and a floating ring sleeved on the guide rod. A plurality of moving rods are uniformly distributed on the liquid level cylinder, a reflecting plate is arranged on each moving rod, two supporting plates are symmetrically arranged at the top of the fire-fighting pool, an infrared distance measuring sensor is arranged at the bottom of each supporting plate, and a reset limiting assembly is arranged on each moving rod; the floating rings move up and down to push the corresponding moving rods to move, the reflecting plates are driven to reflect infrared light, a worker can obtain the current water level height through the distance between a reflected signal source and the infrared distance measuring sensor, electronic equipment is replaced with mechanical equipment, the change of the water level is objectively observed, and the working efficiency is improved. The display stability of the water level display device is improved.

This application discloses a display panel, a display module, and a display device. The display panel includes a display area and a non-display area, with the non-display area surrounding the outer periphery of the display area. The display panel also includes a substrate, a light-shielding layer, a driving circuit layer, a light-emitting device layer, and an encapsulation layer. The substrate has a first side and a second side disposed opposite to each other along a direction perpendicular to its thickness. The light-shielding layer is disposed on the first side of the substrate and is located in the non-display area. The driving circuit layer is disposed on the side of the light-shielding layer away from the substrate and includes metal traces located in the non-display area. The orthographic projection of the metal traces onto the substrate is located within the orthographic projection of the light-shielding layer onto the substrate. The light-emitting device layer is disposed on the side of the driving circuit layer away from the substrate and includes a plurality of spaced-apart light-emitting units located in the display area. The encapsulation layer is disposed on the side of the light-emitting device layer away from the substrate, thereby improving the performance of the display panel.