Linear polarizer and display device

A display device, comprising:

• a display panel;
• a line polarizer provided on a display side of the display panel;
• and a quarter-wave plate disposed on a side of the linear polarizer away from the display panel, wherein the linear polarizer comprises:
• a base plate;
• a plurality of shading stripes equally spaced in parallel on the base plate;
• and
• a transparent stripe formed between every two of the plurality of shading stripes adjacent to each other, wherein the shading stripes comprise a conductive material, and at least a portion of the shading stripes is also configured to detect touch position,
• wherein the display device further comprises a control unit and a first touch-control drive circuit, the first touch-control drive circuit is electrically connected to at least a portion of the shading stripes, and the control unit is configured to control the first touch-control drive circuit in the first time period so as to acquire a first touch signal and determine touch position, and
• wherein the linear polarizer comprises a plurality of first touch detection areas having a block shape and arranged in an array, the shading stripes comprise first sub-line segments which are located in the first touch detection areas, the first sub-line segments within one of the plurality of first touch detection areas are electrically connected to form a first touch control electrode, and the first sub-line segments within different first touch detection areas are insulated from each other.