Abstract: The invention relates to a positioning sputum suction laryngeal mask. The positioning sputum suction laryngeal mask comprises a mask body and a mask body tube, wherein the mask body comprises a mask body bottom plate and a mask main body arranged on the mask body bottom plate, a central region in the mask main body is provided with a mask body cavity communicated with the mask body tube, a stomach decompression tube corresponding to the stomach mouth is arranged on the back side of the mask body bottom plate, and the stomach decompression tube is isolated from the mask body cavity through the mask body bottom plate. The positioning sputum suction laryngeal mask also comprises a connection suction mechanism capable of realizing negative pressure suction in a gas supply process.

Abstract: A method, apparatus, device, and storage medium for driving a display screen to display. The method includes: obtaining a current level of brightness adjustment of the display screen; obtaining, under a condition that the current level satisfies a first preset condition, an initial data voltage value and a compensation data voltage value corresponding to the current level, in which the first preset condition includes that a power voltage value corresponding to the current level is different from a power voltage value corresponding to a previous level or a next level directly adjacent to the current level, the current level is a level other than a designated level; and driving the display screen to display based on the initial data voltage value and the compensation data voltage value.

Abstract: A gamma tuning method, apparatus, device, and storage medium and belongs to the field of display technology. The method includes: selecting a plurality of different target dimming values, and correspondingly setting, for each of the target dimming values, a same voltage gamma max power and a same voltage gamma small power; for each of the target dimming values, obtaining a gamma register value for 0 gray scale under the target dimming value according to the voltage gamma max power, the voltage gamma small power, a maximum gamma register value, and a target voltage for 0 gray scale under the target dimming value; and writing the gamma register value for 0 gray scale under the target dimming value into a gamma register of the display panel.

Abstract: A method for gamma debugging, an apparatus for gamma debugging and a device for gamma debugging. The method includes: acquiring a first voltage difference value between a first gray scale binding point and a second gray scale binding point of a first display panel at a first brightness level; performing gamma debugging on a second display panel at the first brightness level, to determine a voltage value corresponding to the first gray scale binding point of the second display panel at the first brightness level; and taking a difference between the voltage value corresponding to the first gray scale binding point of the second display panel at the first brightness level and the first voltage difference value as a first initial voltage value, to perform gamma debugging on the second display panel at the second gray scale binding point at the first brightness level.

Abstract: A gamma debugging method includes: according to a duty cycle and gamma data corresponding to a first display brightness level, and a duty cycle corresponding to a second display brightness level, or according to the duty cycle and the gamma data corresponding to the first display brightness level, and gamma data corresponding to the second display brightness level, determining maximum brightness corresponding to an inserted display brightness level and a duty cycle corresponding to the inserted display brightness level; and determining whether a binding-point grayscale at the inserted display brightness level is greater than a preset grayscale threshold, and when the binding-point grayscale at the inserted display brightness level is greater than the preset grayscale threshold, calculating, according to a preset calculation formula, a gamma register value corresponding to the binding-point grayscale at the inserted display brightness level.

Abstract: A gamma debugging method includes: according to a duty cycle and gamma data corresponding to a first display brightness level, and a duty cycle corresponding to a second display brightness level, or according to the duty cycle and the gamma data corresponding to the first display brightness level, and gamma data corresponding to the second display brightness level, determining maximum brightness corresponding to an inserted display brightness level and a duty cycle corresponding to the inserted display brightness level; and determining whether a binding-point grayscale at the inserted display brightness level is greater than a preset grayscale threshold, and when the binding-point grayscale at the inserted display brightness level is greater than the preset grayscale threshold, calculating, according to a preset calculation formula, a gamma register value corresponding to the binding-point grayscale at the inserted display brightness level.

Abstract: Mo doped AlCrSiN/Mo self-lubricating films and a preparation method thereof are provided. The AlCrSiN/Mo self-lubricating films are prepared by doping Mo element into the AlCrSiN films, and the Mo content in the resulted films is in the range of 0.3-6.3 at. %. The films are prepared on the substrates by high power impulse magnetron sputtering (HiPIMS) and pulsed DC magnetron sputtering hybrid coating technology. The prepared AlCrSiN/Mo self-lubricating films possess high hardness, good toughness, excellent antifriction characteristics and good chemical stability.

Abstract: A data transmission method comprises: receiving and storing image data, wherein the image data comprises first data and second data, the first data is encrypted verification data, and the second data is original data; comparing the first data with the second data in stored image data; replacing the second data with the first data, if the second data and the first data are inconsistent.

Abstract: The present application relates to a fingerprint identification module and a display device. The fingerprint identification module includes: a first lens assembly; a second lens assembly with a primary optical axis not parallel to a primary optical axis of the first lens assembly; a reflecting mirror assembly, including a reflecting mirror and a rotating shaft coupled to the reflecting mirror, wherein the rotating shaft can drive the reflecting mirror to rotate, and the reflecting mirror includes a reflecting surface; and a light-sensitive element located at a light exiting side of the second lens assembly.

Abstract: Disclosed are a display apparatus and a brightness adjustment method for the display apparatus, which relate to the technical field of display. The display apparatus is configured to enable display of a display screen to be uniform, thus improving the display effect. The method comprises: determining a first total display duration of a first sub-screen of the display screen, and determining a second total display duration of a second sub-screen of the display screen; determining that the first total display duration and the second total display duration meet a preset condition; and adjusting a driving current of the first sub-screen to a first target driving current, and/or adjusting a driving current of the second sub-screen to a second target driving current, such that a difference between the display brightness of the first sub-screen and the display brightness of the second sub-screen is within a pre-determined difference range.

Abstract: A driving method for a display substrate, a driving circuit and a display device are provided. In the driving method of the display substrate, the display substrate includes an active display region and a notch region embedded in the active display region, a pixel array is arranged at the active display region and the notch region, and a gate line and a data line at the active display region extend to the notch region. The notch region includes a first region and a second region other than the first region, a first side of the first region is not adjacent to the active display region. The driving method includes, when an image is displayed by the display substrate, inputting grayscale data having a grayscale value smaller than 2n?1 and greater than 0 to pixels at at least a part of the first region. The grayscale data is n-bit data.

Abstract: A data transmission method comprises: receiving and storing image data, wherein the image data comprises first data and second data, the first data is encrypted verification data, and the second data is original data; comparing the first data with the second data in stored image data; replacing the second data with the first data, if the second data and the first data are inconsistent.

Abstract: The present application relates to a fingerprint identification module and a display device. The fingerprint identification module includes: a first lens assembly; a second lens assembly with a primary optical axis not parallel to a primary optical axis of the first lens assembly; a reflecting mirror assembly, including a reflecting mirror and a rotating shaft coupled to the reflecting mirror, wherein the rotating shaft can drive the reflecting mirror to rotate, and the reflecting mirror includes a reflecting surface; and a light-sensitive element located at a light exiting side of the second lens assembly.

Abstract: The present disclosure provides a brightness control method and a terminal device. The brightness control method includes: when confirming switching from a first mode to a second mode, adjusting a brightness of a first area of a screen of the terminal device from a first brightness to a second brightness; where the first brightness is the brightness of the first area in the first mode, and the first brightness is different from the second brightness; and, after entering the second mode, setting a brightness of a second area of the screen to be a third brightness. After entering the second mode, the brightness of the first area is the second brightness.

Abstract: A driving method for a display substrate, a driving circuit and a display device are provided. In the driving method of the display substrate, the display substrate includes an active display region and a notch region embedded in the active display region, a pixel array is arranged at the active display region and the notch region, and a gate line and a data line at the active display region extend to the notch region. The notch region includes a first region and a second region other than the first region, a first side of the first region is not adjacent to the active display region. The driving method includes, when an image is displayed by the display substrate, inputting grayscale data having a grayscale value smaller than 2n?1 and greater than 0 to pixels at at least a part of the first region. The grayscale data is n-bit data.

Abstract: The present disclosure provides a brightness control method and a terminal device. The brightness control method includes: when confirming switching from a first mode to a second mode, adjusting a brightness of a first area of a screen of the terminal device from a first brightness to a second brightness; where the first brightness is the brightness of the first area in the first mode, and the first brightness is different from the second brightness; and, after entering the second mode, setting a brightness of a second area of the screen to be a third brightness. After entering the second mode, the brightness of the first area is the second brightness.