Abstract: The present disclosure relates to a display device with an outer contour of a polygon. The display device includes: a display panel; a functional panel on a side of a light exiting surface of the display panel; a first circuit board electrically connected to the display panel and bent at a first edge of the polygon to a side of the display panel away from the light exiting surface of the display panel; and a second circuit board electrically connected to the functional panel and bent at a second edge of the polygon to the side of the display panel away from the light exiting surface of the display panel, wherein the first edge and the second edge are different edges, and an orthographic projection of the first circuit board on the light exiting surface of the display panel does not overlap with an orthographic projection of the second circuit board on the light exiting surface of the display panel.

Abstract: Provided are use of organosilane, and polyolefin resin and preparation method thereof. The method of preparing the polyolefin resin comprises: conducting olefin polymerization of olefin monomers in the presence of a catalyst, and adding organosilane to a polymerization system before the olefin polymerization and/or during the olefin polymerization, wherein the organosilane is represented by a general formula of R1mSiXn(OR2)k, wherein R1 is a C2-C20 alkyl, and a terminal of R1 has an ?-olefin double bond, a norbornene group, a cycloalkene group, or a dicyclopentadiene group; X is a halogen element; R2 is a C1-C20 straight chain, a C1-C20 branched chain, or an isomerized alkyl group; m is an integer from 1-3; n is an integer from 1-3; k is an integer from 0-2; and m, n, and k satisfy the following condition: m+n+k=4. The polyolefin resin obtained by the above method has higher melt strength and mechanical strength.

Abstract: The present invention provides modified olefin polymerization catalyst, preparation method thereof, olefin polymerization catalyst system, use thereof and method of preparing polyolefin resin. The catalyst comprises an olefin polymerization catalyst and an organosilane, which is represented by a general formula R1mSiXn(OR2)k, where R1 is a C2-C20 alkyl group and a terminal of R1 has an ?-olefin double bond, a norbornene group, a cycloolefin group or a dicyclopentadiene group, X is a halogen element, R2 is a C1-C20 linear chain, branched chain or isomerized alkyl group, m is an integer from 1-3, n is an integer from 1-3, k is an integer within a range of 0-2, and m+n+k=4. High-performance polyolefin resins, including homopolymerized polyolefin resin with high melt and mechanical strength, polyolefin elastomer with high rubber phase content, and polyolefin elastomer with a rubber phase in a crosslinked structure, etc., can be obtained through polymerization with the catalyst.

Abstract: Provided are use of organosilane, in-reactor polyolefin alloy and preparation method thereof.

Abstract: The present invention provides modified olefin polymerization catalyst, preparation method thereof, olefin polymerization catalyst system, use thereof and method of preparing polyolefin resin. The catalyst comprises an olefin polymerization catalyst and an organosilane, which is represented by a general formula R1mSiXn(OR2)k, where R1 is a C2-C20 alkyl group and a terminal of R1 has an ?-olefin double bond, a norbornene group, a cycloolefin group or a dicyclopentadiene group, X is a halogen element, R2 is a C1-C20 linear chain, branched chain or isomerized alykl group, m is an integer from 1-3, n is an integer from 1-3, k is an integer within a range of 0-2, and m+n+k=4. High-performance polyolefin resins, including homopolymerized polyolefin resin with high melt and mechanical strength, polyolefin elastomer with high rubber phase content, and polyolefin elastomer with a rubber phase in a crosslinked structure, etc., can be obtained through polymerization with the catalyst.

Abstract: Provided are use of organosilane, and polyolefin resin and preparation method thereof. The method of preparing the polyolefin resin comprises: conducting olefin polymerization of olefin monomers in the presence of a catalyst, and adding organosilane to a polymerization system before the olefin polymerization and/or during the olefin polymerization, wherein the organosilane is represented by a general formula of R1mSiXn(OR2)k, wherein R1 is a C2-C20 alkyl, and a terminal of R1 has an ?-olefin double bond, a norbornene group, a cycloalkene group, or a dicyclopentadiene group; X is a halogen element; R2 is a C1-C20 straight chain, a C1-C20 branched chain, or an isomerized alkyl group; m is an integer from 1-3; n is an integer from 1-3; k is an integer from 0-2; and m, n, and k satisfy the following condition: m+n+k=4. The polyolefin resin obtained by the above method has higher melt strength and mechanical strength.

Abstract: Provided are use of organosilane, in-reactor polyolefin alloy and preparation method thereof.