Abstract: The embodiments of the present disclosure provide a ranging system of a dual optical frequency comb time-of-flight manner based on dispersive Fourier transform. The embodiment of the present disclosure introduces a dispersive Fourier transform technology into a conventional dual optical frequency comb system, which amplifies a stray relationship of a pulse time domain using a dispersion element and obtains a precise position relationship of three pulses directly through interfering fringe information. Therefore, the “dead zone” in the conventional dual optical frequency comb ranging system is eliminated, and the ranging accuracy of the system is greatly improved, and a repetition frequency difference of the dual optical frequency combs can be increased to a magnitude of MHz, which greatly improves the ranging speed. The ranging system has advantages of a large measurement range, a high measurement accuracy, and a high measurement speed.

Abstract: Disclosed is a semiconductor laser with a substrate mode suppression layer, comprising a substrate, a first limiting layer, a first waveguide layer, an active layer, a second waveguide layer, an electron blocking layer, and a second limiting layer sequentially stacked from bottom to top. A Si/C concentration ratio of an element Si to an element C of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An In/Al concentration ratio of an element In to an element Al of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An H/C concentration ratio of an element H to an element C of the substrate mode suppression layer?that of the second sub-limiting layer?that of the first sub-limiting layer.

Abstract: Disclosed is a semiconductor laser with a substrate mode suppression layer, comprising a substrate, a first limiting layer, a first waveguide layer, an active layer, a second waveguide layer, an electron blocking layer, and a second limiting layer sequentially stacked from bottom to top. A Si/C concentration ratio of an element Si to an element C of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An In/Al concentration ratio of an element In to an element Al of the substrate mode suppression layer?that of the first sub-limiting layer?that of the second sub-limiting layer. An H/C concentration ratio of an element H to an element C of the substrate mode suppression layer?that of the second sub-limiting layer?that of the first sub-limiting layer.

Abstract: This disclosure relates to a text processing method, a training method for text processing and related devices, and relates to the field of natural language processing. The text processing method includes: filtering one or more target words with highest first attention scores from words in a piece of text using a first attention layer of a text processing model; calculating second attention scores of the target words using a second attention layer of the text processing model; and obtaining a processing result of the text from the processing model based on the second attention scores of the target words.

Abstract: The embodiments of the present disclosure provide a ranging system of a dual optical frequency comb time-of-flight manner based on dispersive Fourier transform. The embodiment of the present disclosure introduces a dispersive Fourier transform technology into a conventional dual optical frequency comb system, which amplifies a stray relationship of a pulse time domain using a dispersion element and obtains a precise position relationship of three pulses directly through interfering fringe information. Therefore, the “dead zone” in the conventional dual optical frequency comb ranging system is eliminated, and the ranging accuracy of the system is greatly improved, and a repetition frequency difference of the dual optical frequency combs can be increased to a magnitude of MHz, which greatly improves the ranging speed. The ranging system has advantages of a large measurement range, a high measurement accuracy, and a high measurement speed.

Abstract: A display device is provided and includes: a display panel, disposed with a gate driving circuit and a source driving circuit; a X-board, disposed with a driving circuit board assembly including a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; a system board, disposed with a second connector and a system-on-chip (SOC) connected to the second connector, the SOC includes an optical performance adjustment intellectual property core; and a connecting part, connected between the first connector and the second connector. By disposing the driving circuit board assembly on the X-board to make the X-board have some of TCON functions, completely independent of the SOC when debugging and changing Panel Timing, and can be developed independently, panel manufacturers can complete the panel debugging and changing independently without relying on changing the SOC.

Abstract: A display device is provided and includes: a display panel, disposed with a gate driving circuit and a source driving circuit; a X-board, disposed with a driving circuit board assembly including a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; a system board, disposed with a second connector and a system-on-chip (SOC) connected to the second connector, the SOC includes an optical performance adjustment intellectual property core; and a connecting part, connected between the first connector and the second connector. By disposing the driving circuit board assembly on the X-board to make the X-board have some of TCON functions, completely independent of the SOC when debugging and changing Panel Timing, and can be developed independently, panel manufacturers can complete the panel debugging and changing independently without relying on changing the SOC.

Abstract: A display device provided in the disclosure includes: a display panel including a gate driving circuit and a source driving circuit, a XB board including a driving circuit board assembly, and a system board including a system-on-chip and a second connector connected with the system-on-chip; the driving circuit board assembly includes a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; the first connector includes voltage supplying pins, P2P interface pins and SPI pins; the second connector connects the first connector through a connecting member; the system-on-chip is configured for acquiring a type identification signal transmitted by the connecting member and identifying a P2P interface type according to the type identification signal; and transmitting corresponding P2P data to the connecting member according to the P2P interface type.

Abstract: A brightness-unevenness compensation method and device and a display panel are provided. The method includes: obtaining brightness-unevenness information of a display panel and a plurality of gray-scale compensation data for compensating brightness-unevenness of the display panel; storing the plurality of gray-scale compensation data in a manner of a compensation table with a plurality of compensation data groups having different compensation distances being associated with the same number of data bits and in both vertical and horizontal directions; reading the plurality of compensation data groups from the compensation table and compensating gray-scale data to-be-displayed to obtain compensated gray-scale data, after the display panel is powered on; and outputting the compensated gray-scale data for picture display.

Abstract: A data driving method and a data driving device are provided. The data driving method includes: transmitting a charge sharing signal for a current data line according to a pre-stored charge sharing timing table; transmitting a valid display data for the current data line; and executing the charge sharing signal to complete a charge sharing between signal channels. The data driving device includes a timing controller, a transmission interface, a source driver, a plurality of data lines, and a charge sharing switch. The data driving method and the data driving device of the disclosure can separately set the charge sharing signal for each row by setting the charge sharing signal on each row of the valid display data through the pre-stored charge sharing timing table. This achieves independent control of charge sharing per line during display.

Abstract: A brightness-unevenness compensation method and device and a display panel are provided. The method includes: obtaining brightness-unevenness information of a display panel and a plurality of gray-scale compensation data for compensating brightness-unevenness of the display panel; storing the plurality of gray-scale compensation data in a manner of a compensation table with a plurality of compensation data groups having different compensation distances being associated with the same number of data bits and in both vertical and horizontal directions; reading the plurality of compensation data groups from the compensation table and compensating gray-scale data to-be-displayed to obtain compensated gray-scale data, after the display panel is powered on; and outputting the compensated gray-scale data for picture display.

Abstract: A display device provided in the disclosure includes: a display panel including a gate driving circuit and a source driving circuit, a XB board including a driving circuit board assembly, and a system board including a system-on-chip and a second connector connected with the system-on-chip; the driving circuit board assembly includes a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; the first connector includes voltage supplying pins, P2P interface pins and SPI pins; the second connector connects the first connector through a connecting member; the system-on-chip is configured for acquiring a type identification signal transmitted by the connecting member and identifying a P2P interface type according to the type identification signal; and transmitting corresponding P2P data to the connecting member according to the P2P interface type.

Abstract: The invention provides a display panel, including a color filter substrate and a thin film transistor array substrate disposed oppositely, and a liquid crystal layer filled between the color filter substrate and the thin film transistor array substrate, wherein the thin film transistor array substrate includes a display area, a non-display area, and a plurality of photo sensors are disposed in the display area; the color filter substrate is formed with a plurality of light transmissive passages; the thin film transistor array substrate is disposed with a plurality of sub-pixels; and the photo sensor is configured for detecting position information corresponding to an external photoelectric signal when receiving the external photoelectric signal. The display panel is provided with a plurality of photo sensors, when the incident laser light is irradiated onto the photo sensor, the photo sensor can be triggered to work, and the laser projection position is determined.

Abstract: The present invention discloses a liquid crystal display panel and a liquid crystal display device, the liquid crystal display panel includes: a plurality of data lines and a plurality of scan lines, wherein the plurality of data lines intersect with the plurality of scan lines to define X rows and Y columns of pixel units arranged in a matrix, S types of different polarity inversion positions are existed from an i-th column of pixel unit to an [i+(U?1)]-th column of pixel unit, where 0<i<Y, U?4, S?2, and U is a polarity inversion repetition period in a scan line direction. The liquid crystal display panel and the liquid crystal display device provided by the present invention can alleviate the phenomenon of horizontal equidistant horizontal stripes, and can reduce the problem of excessive power consumption and temperature increase caused by driving.

Abstract: A data driving method and a data driving device are provided. The data driving method includes: transmitting a charge sharing signal for a current data line according to a pre-stored charge sharing timing table; transmitting a valid display data for the current data line; and executing the charge sharing signal to complete a charge sharing between signal channels. The data driving device includes a timing controller, a transmission interface, a source driver, a plurality of data lines, and a charge sharing switch. The data driving method and the data driving device of the disclosure can separately set the charge sharing signal for each row by setting the charge sharing signal on each row of the valid display data through the pre-stored charge sharing timing table. This achieves independent control of charge sharing per line during display.

Abstract: The invention provides a display panel, including a color filter substrate and a thin film transistor array substrate disposed oppositely, and a liquid crystal layer filled between the color filter substrate and the thin film transistor array substrate, wherein the thin film transistor array substrate includes a display area, a non-display area, and a plurality of photo sensors are disposed in the display area; the color filter substrate is formed with a plurality of light transmissive passages; the thin film transistor array substrate is disposed with a plurality of sub-pixels; and the photo sensor is configured for detecting position information corresponding to an external photoelectric signal when receiving the external photoelectric signal. The display panel is provided with a plurality of photo sensors, when the incident laser light is irradiated onto the photo sensor, the photo sensor can be triggered to work, and the laser projection position is determined.

Abstract: The present invention discloses a liquid crystal display panel and a liquid crystal display device, the liquid crystal display panel includes: a plurality of data lines and a plurality of scan lines, wherein the plurality of data lines intersect with the plurality of scan lines to define X rows and Y columns of pixel units arranged in a matrix, S types of different polarity inversion positions are existed from an i-th column of pixel unit to an [i+(U?1)]-th column of pixel unit, where 0<i<Y, U?4, S?2, and U is a polarity inversion repetition period in a scan line direction. The liquid crystal display panel and the liquid crystal display device provided by the present invention can alleviate the phenomenon of horizontal equidistant horizontal stripes, and can reduce the problem of excessive power consumption and temperature increase caused by driving.

Abstract: Balanced Reed-Solomon codes in accordance with embodiments of the invention enable balanced load in distributed storage systems. One embodiment includes a storage controller, wherein the storage processor is configured by the controller Reed-Solomon application to: receive a data segment; partition the data segment into a first block of data and a second block of data; transmit the first block of data to a first node controller in the plurality of node controllers; transmit the second block of data to a second node controller in the plurality of node controllers; wherein the node processor in the first node controller is configured by the node Reed-Solomon application to: receive the first block of data; encode the first block of data using a balanced and sparsest error-correcting code; and store the encoded first block of data in the node memory of the first node controller.

Abstract: Balanced Reed-Solomon codes in accordance with embodiments of the invention enable balanced load in distributed storage systems. One embodiment includes a storage controller, wherein the storage processor is configured by the controller Reed-Solomon application to: receive a data segment; partition the data segment into a first block of data and a second block of data; transmit the first block of data to a first node controller in the plurality of node controllers; transmit the second block of data to a second node controller in the plurality of node controllers; wherein the node processor in the first node controller is configured by the node Reed-Solomon application to: receive the first block of data; encode the first block of data using a balanced and sparsest error-correcting code; and store the encoded first block of data in the node memory of the first node controller.