Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region including light emitting units; the light emitting units are arranged into light emitting unit rows, and the light emitting units in one of the light emitting unit rows are arranged along a first direction; the light emitting units include first light emitting units. In at least part of the display region: distances, in the first direction, between a light emitting region of one first light emitting unit and light emitting regions of two of the first light emitting units adjacent to the one first light emitting units are different, and/or distances, in a second direction, between a light emitting region of one first light emitting units and the light emitting regions of two of the first light emitting units adjacent to the one first light emitting units are different.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.

Abstract: Provided is a composite ballistic-resistant unit material, formed of an intersecting composite of N two layer structured units, 1?N?8, an organic thin film being attached to two sides thereof, the angle of intersection of each adjacent layer being 45°-90°; a first layer is a ballistic-resistant fibre unidirectional tape covered in a first resin adhesive, a second layer is a ballistic-resistant fibre unidirectional tape covered in a second resin adhesive, the tensile modulus of the first resin adhesive being lower than 6 MPa, and the tensile modulus of the second resin adhesive being higher than 6 MPa; the loss modulus of the first resin adhesive and the second resin adhesive, under the same conditions as the test frequency and strain value, at 30-40° C. is the same as the loss modulus of the ballistic-resistant fibre. When the strain sensitive rate of the ballistic-resistant fibre is at 2.4×103 s?1, the dynamic tensile stress is at least 2.4 GPa, and the sound-wave conduction speed is at least 10000 m/s.

Abstract: A method for preparing gelatinized pre-oriented filaments and the gelatinized pre-oriented filaments prepared by the method are provided. The method includes feeding a spinning dope into a twin-screw extruder for blending and extruding the spinning dope to obtain a first spinning solution having a non-Newtonian index of 0.1-0.8 and a structural viscosity index of 10-50, feeding the first spinning solution into a spinning box and drawing at a spinneret with a factor of 5-20 to obtain a second spinning solution, and flash cooling and curing the second spinning solution to obtain the gelatinized pre-oriented filaments. Also provided are a method for preparing ultra-high molecular weight polyethylene fibers and ultra-high molecular weight polyethylene fibers prepared by the method.

Abstract: Provided is a composite ballistic-resistant unit material, formed of an intersecting composite of N two layer structured units, 1?N?8, an organic thin film being attached to two sides thereof, the angle of intersection of each adjacent layer being 45°-90°; a first layer is a ballistic-resistant fibre unidirectional tape covered in a first resin adhesive, a second layer is a ballistic-resistant fibre unidirectional tape covered in a second resin adhesive, the tensile modulus of the first resin adhesive being lower than 6 MPa, and the tensile modulus of the second resin adhesive being higher than 6 MPa; the loss modulus of the first resin adhesive and the second resin adhesive, under the same conditions as the test frequency and strain value, at 30-40° C. is the same as the loss modulus of the ballistic-resistant fibre. When the strain sensitive rate of the ballistic-resistant fibre is at 2.4×103 s?1, the dynamic tensile stress is at least 2.4 GPa, and the sound-wave conduction speed is at least 10000 m/s.

Abstract: Provided is a method for preparing a spinning solution of ultra-high molecular weight polyethylene fiber, which comprises mixing a dissolved solution of ultra-high molecular weight polyethylene with a swollen solution of ultra-high molecular weight polyethylene at a weight ratio of 0.42˜2.85, to obtain a spinning solution with a content of the ultra-high molecular weight polyethylene being 10%˜15% by weight; the content of the ultra-high molecular weight polyethylene in the swollen solution of ultra-high molecular weight polyethylene is 10%˜50% by weight; and the weight ratio of the ultra-high molecular weight polyethylene in the swollen solution of ultra-high molecular weight polyethylene to the ultra-high molecular weight polyethylene in the dissolved solution of ultra-high molecular weight polyethylene is 2.5˜70.

Abstract: Disclosed are a method for preparing gelatinized pre-oriented filaments and the gelatinized pre-oriented filaments prepared by the method. The method comprises: feeding a spinning dope into a twin-screw extruder for blending and extruding the same to obtain a first spinning solution having a non-Newtonian index of 0.1-0.8 and a structural viscosity index of 10-50; feeding the first spinning solution into a spinning box, and drawing at a spinneret with a factor of 5-20 so as to obtain a second spinning solution; and flash cooling and curing the second spinning solution so as to obtain the gelatinized pre-oriented filaments. Also provided are a method for preparing ultra-high molecular weight polyethylene fibers by using the above method and the fibers prepared by this method.

Abstract: Provided is a method for preparing a spinning solution of ultra-high molecular weight polyethylene fiber, which comprises mixing a dissolved solution of ultra-high molecular weight polyethylene with a swollen solution of ultra-high molecular weight polyethylene at a weight ratio of 0.42˜2.85, to obtain a spinning solution with a content of the ultra-high molecular weight polyethylene being 10%˜15% by weight; the content of the ultra-high molecular weight polyethylene in the swollen solution of ultra-high molecular weight polyethylene is 10%˜50% by weight; and the weight ratio of the ultra-high molecular weight polyethylene in the swollen solution of ultra-high molecular weight polyethylene to the ultra-high molecular weight polyethylene in the dissolved solution of ultra-high molecular weight polyethylene is 2.5˜70.