2results about How to "Simultaneous testing" patented technology

The utility model provides a kind of for chip detection's fixed unit and fixing device, the fixed unit is three-layer structure, including tray, array card slot disc and cover plate sequentially matched from bottom to top;The tray is frame structure, the frame is formed with the limiting area for placing array card slot disc;Array card slot disc is equipped with the card slot position for limiting and fixing chip arranged in array;The cover plate is used to cover on array card slot disc, and its formed with through-hole array structure.The fixed unit and fixing device structure exquisite, light in weight, low in cost, not only can realize the simultaneous fixation to multiple different size chips, also can obviously improve fixing efficiency, reduce pollution and the risk of chip drop.

The application relates to a display substrate, comprising a display area and a frame area located around the display area, the display area comprising a plurality of data lines and a plurality of gate lines, and a pixel area defined by the intersection of the plurality of data lines and the plurality of gate lines, along a first direction, the frame area comprising a test area located on one side of the display area, the test area comprising at least one row of a plurality of first test electrodes and a plurality of second test electrodes arranged side by side; the test area further comprising a plurality of test transistors, one of the test transistors being connected with three of the first test electrodes; and a plurality of the second test electrodes being connected with the data lines through signal lines. The application further relates to a display device and a test equipment.