Huawei Technologies Co., Limited

Zte Corporation

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Zhaohui Li

Dawei Wang

Lei Liu

Linghao Cheng

Li Zeng

Ke Wang

Huixiao Ma

Jianping Li

Liwang Song

Chao Lu

Xuebing Zhang

Yanfu Yang

Jinxing Ning

Yuli Chen

The invention provides an array substrate and manufacturing method thereof. The array substrate comprises: a substrate; a plurality of data lines and scan lines disposed on one side of the substrate, the data lines and the scan lines defining a plurality of sub-pixel areas, the data lines and the scan lines being mutually insulated, the data lines extending in a first direction and being arranged in a second direction crossing the first direction, the scan lines extending in the second direction and being arranged in the first direction; a color-resist layer disposed on the same side of the substrate with the data lines and the scan lines, the color-resist layer comprising a plurality of color-resists, and two adjacent color-resists of the plurality of color-resists having an overlapping area corresponding to an area of a respective one of the data lines; a data black matrix (BM) saving (DBS) common electrode wire extending in the first direction and disposed on a side of the overlapping area of the color-resist layer away from the substrate to shield a data line of the plurality of data lines, and uniform slits disposed at an edge of the DBS common electrode wire in plan view, the uniform slits extending in the second direction and being arranged in the first direction.

Array substrate and manufacturing method thereof

The present invention discloses an apparatus. The apparatus includes: a coherent receiving unit, configured to perform coherent synthesis on a received to-be-detected optical signal and a multi-wavelength local oscillation laser beam, and convert a coherent receiving signal formed by means of the coherent synthesis into an analog electrical signal; a data acquiring unit, configured to acquire the analog electrical signal output by the coherent receiving unit, and convert the analog electrical signal into a digital signal; a power spectrum generation unit, configured to process the digital signal output by the data acquiring unit, to generate a continuous full power spectrum of the to-be-detected optical signal; and an optical performance parameter monitoring unit, configured to monitor, according to the continuous full power spectrum generated by the power spectrum generation unit, an optical performance parameter of a transmission link carrying the to-be-detected optical signal.

Apparatus and method for monitoring optical performance parameter, and optical transmission system

The present disclosure discloses a method and an apparatus for monitoring chromatic dispersion in an optical communications network. The method includes: performing coherent mixing of a to-be-monitored signal with a first optical signal and a second optical signal to obtain two analog electrical signals, where center frequencies of the first optical signal and the second optical signal are located on two sides of a center frequency of the to-be-monitored signal, and a difference between the center frequencies of these two optical signals equals a Baud rate; converting the two analog electrical signals into two corresponding first time domain power signals; determining a value of a time delay between these two time domain power signals; and obtaining, according to a correspondence between the value of the time delay and the chromatic dispersion, the fiber chromatic dispersion generated in a process of transmitting the to-be-monitored signal.

Method and apparatus for monitoring chromatic dispersion in optical communications network

A receiver is provided, including a signal acquiring unit, a signal diversity unit that is connected to the signal acquiring unit, a signal combination unit that is connected to the signal diversity unit, and a digital-signal acquiring unit that is connected to the signal combination unit. The receiver can receive a dual-polarization signal and can eliminate SSBI from the dual-polarization signal.

System and method for optical receiver

Embodiments of the present invention relate to a signal transmission method, transmitter, and signal transmission system. The method includes: obtaining, by a sending end, information about a power fading point of a fiber channel between the sending end and a receiving end; determining, by the sending end and according to the information about the power fading point, a subcarrier that is used to send a service signal to the receiving end on the fiber channel, where a frequency of the determined subcarrier is different from that of the power fading point; and sending, by the sending end, a service signal to the receiving end by using the determined subcarrier. According to the embodiments of the present invention, validity of a signal spectrum is ensured, and therefore it is ensured that transmitted data can be effectively recovered at a receiving end.

Signal transmission method, transmitter, and signal transmission system

The disclosure provides a mobile terminal and a processing method thereof; the method includes the following steps: when detecting that an external device is plugged in, the mobile terminal determines the type of the external device according to the logic levels of the internal data signal lines in the mobile terminal, wherein the type includes a charger and a Universal Serial Bus (USB) host device; the mobile terminal charges itself or transmits data with the external device according to the determined type of the external device. With the disclosure, the performance of the mobile terminal is improved, and the user experience is enhanced.

Mobile terminal that determines a type of an external device

A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal.

Growing community of inventors

Guangzhou, China

Zhaohui Li