71results about How to "Reduce the number of traces" patented technology

The present invention provides a pixel circuit. The pixel circuit comprises a drive transistor, a threshold value storage module, a threshold value storage control module, a data storage module, a data writing-in control module, an isolation control module, a luminescence control module and a light-emitting diode. The threshold value storage module is configured to store a voltage written throughthe threshold value storage control module and a threshold voltage of the drive transistor; the data storage module is configured to store a data voltage written through the data writing-in control module; a control end of the isolation control module is electrically connected with a control end of the luminescence control module, and when the control end of the isolation control module receives first luminescence control signals, a first end of the isolation control module communicates with a second end of the isolation control module. The present invention further provides a display panel and a drive method thereof. The display panel has few signal lines so as to arrange more pixel units therein so as to improve the resolution ratio of the display panel.

The invention discloses a pixel circuit, a driving method thereof and a display device. The pixel circuit comprises a first switch sub-circuit, a partition driving chip and a plurality of light-emitting elements. The first switch sub-circuit is respectively connected with a scanning line, a data line and a first node and is used for writing a data voltage signal of the data line into the first node under the control of the scanning line; and the partition driving chip is connected with the first node and the plurality of light-emitting elements respectively and is used for judging driving timecorresponding to each light-emitting element according to a data voltage signal input by the first node, and driving the light-emitting elements to emit light by using the data voltage signal withinthe corresponding driving time. Active site selection driving is realized through the first switch sub-circuit and the partition driving chip, so that the number of glass-based wires is effectively reduced, the difficulty of a side edge wire routing process is greatly reduced, the driving power consumption and the driving cost of the whole display module are reduced, and the competitive advantageof a product is greatly improved.

The invention relates to a train smoke alarm communication method based on an independent module combination 3U case structure, and the method comprises the steps: recognizing a carriage signal through an IO board card external address line, and extracting the detector configuration; enabling a detector to collect temperature information and smoke and thick fog information, and transmitting the information to a CPU board card for processing; enabling the CPU board card to judge the collected information, and outputting alarm information; enabling the CPU board card to transmit alarm information to an HMI display screen of a driver's cab after alarm; enabling the IO board card to cut off the signal output of a vehicle safety loop, transmitting the alarm information to the HMI display screen of the driver's cab, and enabling a red alarm indicating lamp of a DISP board card to be turned on; and enabling a DS board card, an Enet board card and a wireless board card to collect, store and upload the temperature information, the smoke and thick fog information and alarm information. When the detector communicates with a CAN board card, the method carries out the progressive addition or subtraction calculation of a CAN frame address of the detector through the forwarding mechanism of the detector. When the detector receives CAN frames with different addresses, the addresses of response frames are also different, thereby improving the configurability of a system.

Method of this invention is as follows: 1. LVDS serilizer/deserianzer designed at the back board of a sending and a receiving single boards are connected with TTL data bus of the sending and receiving single boards separately 2. TTL data bus signal of the sending is compressed to a few difference signals by LVDS serializer according to its reference clock to be transferred via its back board. 3. The said difference signals are decompressed to data signals to be input to TTL bus by LVDS deserializer according to its reference clock. The invention reduces wiring number and layers of the back to reduce its cost.

The embodiment of the invention provides a display panel, a test method and a manufacturing method thereof, and a display device, relates to the technical field of display, and is used for narrowing the frame width of the display panel. A plurality of pixels in a display area of the display panel are divided into a plurality of pixel column groups arranged in the row direction. The pixel column group is divided into first pixel units arranged in the column direction, and two adjacent pixels in at least one first pixel unit in the column direction are different in color. The test unit is positioned on one side, far away from the display area, of the multiplexer unit. One test unit is electrically connected with one pixel column group through one multiplexer. The test unit comprises a plurality of second switches of which the number is greater than or equal to the number of colors of pixels in the first pixel unit. For the same first pixel unit, the second switch is electrically connected between one first switch and one test signal line. The second switches are sequentially turned on, and test signals are sequentially transmitted to each pixel in the first pixel unit.

The invention discloses a display panel and electronic equipment. In the display panel, a test circuit is provided with a signal transmission line, the signal transmission line is electrically connected with a touch control signal line, and the signal transmission line is further electrically connected with a data line through a connecting wire. Thus, in the test stage, test signals can be input to the data line through the signal transmission line, and panel testing can be achieved through the signal transmission line; in the non-test stage, the connecting wire is disconnected from the test circuit, the signal transmission line outputs touch signals detected by touch electrodes, and touch detection is realized through the signal transmission line; thus, the signal transmission line in the test circuit can be used for panel testing and can also be used for touch detection, and the number of wires is reduced. The electronic equipment adopts the display panel, the number of wires can be reduced, and narrow frame design and full screen design can be achieved conveniently.

The invention provides a display panel and a display device, relating to the field of display technology. The display is characteristic by reducing the number of lines at the transparent area of the display panel. The display panel includes a light transmission area, a first non-display area around the light transmission area, a display area around the first non-display area, and a second non-display area around the display area. The display area includes M groups of first data lines and multiple lines of second data line, the first data lines and second data lines are arranged along the firstdirection, extending to the second direction; each group of first data lines include first sub-data lines and second sub-data lines, along the second direction, the first sub-data lines and the second sub-data lines are located on both sides of the light transmission area. The first non-display area includes a first gate unit, a second gate unit and N lines of first connection lines, and M linesof first sub-data lines connect with M lines of second sub-data lines through the first gate unit and N lines of first connection lines and the second gate unit. (M, M and N are positive integers.

The invention discloses a flexible display panel and a display device. The flexible display panel is provided with an opening at a corner splicing part, the opening is filled with a splicing piece formed by a filling light guide material, and a light guide layer is arranged at one side of a display surface of the display panel. According to the flexible display panel and the display device, wrinkles can be avoided, and the normal light emitting of corner splicing parts can be achieved.

The invention discloses a touch device and a touch method thereof used for providing an input signal to a computer device. The computer device executes an application program according to the input signal. The touch device comprises a touch pad and a processing module. The touch pad is molded along a trace in general. The section area of the touch pad is increased gradually from a first end of the trace to a second end thereof. The processing module is used for providing the input signal to the computer device. When a finger moves on the touch pad, the processing module generates the input signal related to the finger according to the variable quantity of the capacitance value of the touch pad. The invention uses a capacitor type touch pad with the appearance of gradually increased section area as a single trace line to lessen the quantity of the trace line of the prior capacitor type touch pad so as to reduce the cost and simplify the application circuit.

The invention discloses a touch display panel and a touch display apparatus. The touch display panel provided by one embodiment of the invention comprises a first touch electrode array and a second touch electrode array, wherein the first touch electrode array comprises first to Mth first touch electrodes arranged in a first direction; the second touch electrode array comprises first to Nth second touch electrodes arranged in a second direction; each first touch electrode comprises a first connection part extending in the second direction; the second to Mth first touch electrodes further comprise a plurality of first electrode blocks; the first electrode blocks in any first touch electrode of the second to Mth first touch electrodes are formed on the same side of the first connection part of the first touch electrode; and orthographic projection of each first electrode block to the second touch electrode array is at least partially overlapped with at least two second touch electrodes. According to the scheme, the touch detection precision of the touch display panel is improved.

The invention provides a wiring structure for a GOA (Gate driver On Array) circuit. The wiring structure comprises a scan line to be measured and a rescue line, wherein the scan line to be measured is located in the GOA circuit, and the rescue line is located in the GOA circuit. The scan line to be measured and the rescue line are at least partially overlapped and are electrically coupled in a welding manner, so as to achieve the function of multiplexing the rescue line. Compared with the prior art, the wiring structure has the advantages that the scan line to be measured is electrically coupled to the rescue line in the welding manner, so that the sharing between dummy gate wires in a liquid crystal cell and the rescue line is realized, then, the number of the dummy gate wires in the GOA circuit is reduced, and high-frequency signal interference caused by line variety is lowered. In addition, a simple circuit design is utilized, and the function of multiplexing the rescue line is achieved through testing switching cooperation between a first resistor and a second resistor which are additionally arranged on a circuit board, so that the number of wires in the GOA circuit is reduced, the location of the scan line to be measured can be freely changed and selected, and then, the flexibility of measurement is improved.

A multi-phase grid driver is arranged on the periphery of a display panel and comprises a start-stop signal generating circuit and a plurality of shift register modules. The start-stop signal generating circuit sequentially outputs a plurality of start-stop signals on the basis of a first control signal and a plurality of groups of clock signals. Each shift register module comprises a plurality of shift register units. The Mth shift register unit of one of the shift register modules outputs a corresponding grid signal on the basis of the Mth group of clock signals, the Mth start signal and a grid signal of the Mth shift register unit of the next-level shift register module, wherein M is an integer.

The invention discloses a shift register unit, a driving method, a circuit, a display panel and a device, belonging to the technical field of display. The shift register unit includes a signal transmission circuit connected to an output terminal of the shift circuit, a touch signal line, a common electrode line and a touch electrode. The signal transmission circuit can output a touch modulation signal from the touch signal line to a touch electrode connected thereto under the control of a driving signal output from the shift circuit, and output a touch signal fed back from the touch electrodeto the touch signal line. As the touch signal line may be connected to the touch IC and a plurality of shift register unit, respectively, each shift register unit may be connected to one touch electrode. Therefore, touch detection of each touch electrode included in the touch display panel can be realized by setting only a small number of touch signal lines, so that the number of traces in the lead area around the touch display panel is small.

The invention provides an image shooting display terminal. The image shooting display terminal comprises a control module, a first optimization unit, a second optimization unit, a first image shootingmodule, a second image shooting module and a first node. The control module outputs a control signal to control the first image shooting module and the second image shooting module to be in a workingstate in a time-sharing manner. The first signal interface is electrically connected with the first node. The first optimization unit is electrically connected between the first node and the first image shooting module, and the second optimization unit is electrically connected between the first node and the second image shooting module. the first optimization unit is used for ensuring that a first image signal curve corresponding to a first image shot by the first image shooting module in a working state is smooth, and the second optimization unit is used for ensuring that a second image signal curve corresponding to a second image shot by the second image shooting module in the working state is smooth.

The invention relates to a charging chip, a charging device and a mobile terminal. The charging chip comprises a first interface and a second interface. The first interface is used for communicating with a processor; the second interface is used for communicating with a power adapter, wherein the second interface is a universal asynchronous transceiver bus interface; the charging device is arranged in the mobile terminal, is used for charging a rechargeable battery of the mobile terminal, and comprises a charging chip and a processor, and the mobile terminal comprises a charging chip. According to the charging chip, the charging device and the mobile terminal provided by the invention, the circuit board area occupied by the level conversion circuit and the universal asynchronous receiving and transmitting bus interface of the processor are saved by integrating the universal asynchronous receiving and transmitting bus interface in the charging chip, so that the resource overhead and the wiring number are effectively reduced, and the cost is reduced.

The embodiment of the invention discloses a printed circuit board (PCB), a mobile terminal and a PCB wiring method. The problem is solved that wiring layout is difficult caused by many components andparts due to the limited PCB area. The PCB comprises a PCB body, the PCB body is provided with components and parts, and wiring among the components and parts is arranged out of the PCB body. The problem is solved that wiring layout is difficult caused by many components and parts due to the limited PCB area, and the space utilization is increased. Besides, the wiring widths between the componentsand parts or the sections can be arranged to be enough large so as to reduce the wiring impedance and easily meet the impedance demands of PCB wiring.

The invention provides a sensor array data acquisition system based on frequency modulation and frequency division multiplexing. The device comprises a sensor array (2) composed of at least two sensors (1), a frequency modulation circuit (3), and a system-level integrated circuit chip (4) provided with a demodulator (6) and an analog-to-digital converter (7). The sensors (1) are mutually connectedon a single-side pin and are finally connected to a wire grounding end (5) of a system-level integrated circuit chip (4) with a demodulator and an analog-to-digital converter. Pins on the other sideof each sensor (1) are connected with each other through respective frequency modulation circuits (3) and are finally connected to a port of an analog-to-digital converter (7) of a system-level integrated circuit chip (4) with a demodulator and an analog-to-digital converter. According to the system, the wiring complexity and the component cost are reduced, and the system stability is improved.

The invention relates to an RFID-based double-loop switching layer plate antenna device provided with a power supply module, radio frequency reader/writer, a dual-way match board and antenna array. The radio frequency reader/writer is connected with the power supply module, the RF signal output end of the RF reader/writer is connected with the input end of the dual matching board through the RF line, the output end of the two-way matching board is connected with the antenna array, characterized in that the antenna array consists of two sawtooth antennas overlapping and complementing each other, that is, the two sawtooth antennas are placed side by side and face each other, Compared with the prior art, the number of antennas is reduced, the cost is reduced, and the antenna is changed from aplurality of vertical antennas to a single layer board type antenna, which is simple in installation and strong in retrofitting; the working mode of switching two antennas is adopted, and the antennas are complementary before the two antennas so as to eliminate the blind area, thereby effectively reducing the leakage reading rate.

The invention provides an embedded type touch display panel. A third metal layer is added to a TFT substrate, the third metal layer is adopted as a driving electrode and an induction electrode, the induction electrode comprises a plurality of parallel first vertical parts and a plurality of first horizontal parts perpendicularly connected with the first vertical parts, and the driving electrode comprises a plurality of parallel second vertical parts and a plurality of second horizontal parts perpendicularly connected with the second vertical parts; the multiple second vertical parts and the multiple first vertical parts are staggered and distributed in the longitudinal direction; every two adjacent second vertical parts of the driving electrode are connected through bridging wiring in a second metal layer, the mutual capacitance touch function is achieved, the coupling length between the driving electrode and the induction electrode can be increased to increase lateral capacitance between the driving electrode and the induction electrode, the integration level of a display panel is increased, charge gathering caused at the bridging position of the driving electrode is lowered whilethe number of touch signal wires is decreased, the touch performance and the user experience are improved, and the signal to noise ratio is increased.