247results about How to "Good bending properties" patented technology

The present invention provides a transparent substrate that significantly prevents the progress of a crack in a thin-plate glass and the rupture of the glass, and is excellent in bending property and flexibility. A transparent substrate according to an embodiment of the present invention includes: a thin-plate glass having a thickness of 10 μm to 100 μm; and a resin layer on at least one side of the thin-plate glass, wherein a shrinkage stress of the resin layer on the thin-plate glass is 5 MPa or more.

The invention provides a display substrate, a preparation method of the display substrate and a display device, and relates to the technical field of display. The display substrate comprises a flexible substrate, a plurality of pixel islands located on the flexible substrate, groove holes located between the adjacent pixel islands, and inter-island connecting lines for communicating the adjacent pixel islands; thin film transistors and signal lines electrically connected with the thin film transistors are arranged in the pixel islands; and the inter-island connecting lines are used for enabling the signal lines of the adjacent pixel islands to be electrically connected. According to the invention, the tensile property and the bending property of the OLED display substrate can be improved,so that the OLED display substrate capable of being bent can be realized.

This invention provides a copper alloy having excellent stress relaxation resistance, comprising Ni: 0.1 to 3.0% (% by mass; the same shall apply hereinafter), Sn: 0.01 to 3.0%, and P: 0.01 to 0.3% with the balance consisting of copper and unavoidable impurities, characterized in that the content of Ni in an extraction residue after extraction separation on a filter having an opening size of 0.1 [mu]m by an extraction residue method is not more than 40% in terms of the proportion to the content of Ni in the copper alloy. In the extraction residue method, 10 g of the copper alloy is immersed in 300 ml of a methanol solution having an ammonium acetate concentration of 10% by mass. This copper alloy is used as an anode. On the other hand, platinum is used as a cathode. Galvanostatic electrolysis is carried out at a current density of 10 mA/cm<2>. A solution containing this copper alloy dissolved therein is subjected to suction filtration by a polycarbonate membrane filter having an opening size of 0.1 [mu]m, and the insolubles as the residue are separated and extracted on the filter. The content of Ni in the extraction residue is determined by dissolving the insolubles as the residue on the filter in a solution composed of a mixture of aqua regia and water at a ratio of 1 : 1, and then analyzing the solution by ICP emission spectrometry.

The present disclosure provides a flexible display panel and a method for manufacturing same. The present disclosure not only ensures improvement of bending characteristics of display panels but also ensures high pixels per inch (PPI) of the display panels. Moreover, IR-drop is lowered and display uniformity of the panels is increased.

A monomode optical fiber with suitable mode-field diameters, whcih is not sensitive to bending, is available for double windows of 1310nm and 1550nm wavelengths. It consists of three sub-layered cores and three sub-claddings with different refraction index profiles. The third layer of the sub-claddings is of pure silicon dioxide glass. It is suitable for distribution in rooms.

A copper alloy material for an electric/electronic part, having a composition comprising Co 0.5 to 2.0 mass % and Si 0.1 to 0.5 mass %, with the balance of Cu and inevitable impurities, in which a copper alloy of a matrix has a grain size of 3 to 35 μm, a precipitate composed of Co and Si has a particle size of 5 to 50 nm, the precipitate has a density of 1×10⁸ to 1×10¹⁰ number/mm², and the copper alloy material has a tensile strength of 550 MPa and an electrical conductivity of 50% IACS or more.

The invention relates to a flexible display panel and a flexible display device. The flexible display panel comprises a flexible substrate, a first inorganic layer, a stress relief layer, multiple wires, an insulation layer and a second inorganic layer, wherein the flexible substrate comprises a bent area; the first inorganic layer is arranged on the flexible substrate, and the first inorganic layer in the bent area comprises a groove; the stress relief layer fills the groove; the multiple wires are arranged on the first inorganic layer and the stress relief layer; the insulation layer coversthe multiple wires; the second inorganic layer is arranged at least one end of the bent area and comprises a first part and a second part, the first part is contacted with the insulation layer and thesecond part is contacted with the first inorganic layer. the contact performance between the wire and the first inorganic layer can be effectively improved, the wire is thus pinned by the second inorganic layer, and the phenomenon that film peeling or warping happens to two ends of the bent area in the case of bending and signal transmission is influenced can be prevented.

The invention relates to an electromagnetic wave shielding film, and the film includes a shielding improvement layer, a shielding efficiency layer and a shielding protection layer which are sequentially compounded from bottom to top. The invention further provides a printed circuit board including the electromagnetic wave shielding film, and a preparation method of the circuit board. The electromagnetic wave shielding film provided by the invention has the advantages of good shielding efficiency, high abrasion resistance, ageing resistance and anti-deformation capacity and the like. The printed circuit board has good shielding property; the preparation method is easy to operate; and industrial production application is facilitated.

An electrical cable has a plurality of generally rectangular cross-section conductors superposed in a stack, the stack surrounded by a polymer jacket. The stack may be provided with a lubrication layer provided between at least two of the conductors. Conductors of the stack may have a thickness that is greater proximate the middle of the stack than at the top and bottom of the stack and/or a width that is less at the top and the bottom than at the middle. Further stacks may also be provided parallel and coplanar with the first stack, also surrounded by the polymer jacket.

The present invention discloses a display panel. The display panel comprises a bending region and a non-bending region connected with the bending region, and the display panel further comprises an array substrate. The array substrate comprises: a plurality of first pixel regions which are mutually arranged in parallel in multiple lines and arranged in the bending region; a plurality of second pixel regions which are mutually arranged in parallel in multiple lines and arranged in the non-bending region; and a plurality of flexible connection regions configured to connect with adjacent first pixel regions and connect with the first pixel regions and the second pixel regions, wherein each flexible connection region is internally provided with a slot, and each slot is filled with an organic photoresist layer. According to the invention, the slots are arranged in the flexible connection regions of the bending region to form an inorganic layer slot between two adjacent lines of pixel regionsin the bending region to separate from each two lines of pixel regions, and the slots are filled with the organic photoresist layers so as to effectively relieve the stress of each inorganic layer ormetal wiring corresponding in the display panel, especially in the array substrate.

A tactile sensor for curved surfaces applicable to objects with multi-dimensional curvature and a small radius of curvature and a manufacturing method thereof are disclosed. The tactile sensor for curved surfaces includes a lower pattern including a plurality of lower polymer film layers spaced at specified intervals in a lower direction, lower metal layers disposed on the lower polymer film layers, and a number of lower resistors disposed on the lower metal layers, an upper pattern including a plurality of upper polymer film layers spaced at specified intervals in a direction perpendicular to che lower direction, upper metal layers disposed on the upper polymer film layers, and a number of upper resistors disposed below the upper metal layers to be electrically connected to the lower resistors, and a lower polymer layer and an upper polymer layer to bond the lower pattern and the upper pattern to each other.

The invention provides a display panel and a preparation method thereof, and a display device. The display panel comprises a display area, a wire changing area and a bending area which are divided inthe horizontal direction; the display panel sequentially comprises a substrate, a barrier layer, a buffer layer, an active layer, a first gate insulation layer, a first metal layer and a second gate insulation layer from bottom to top, and further comprises a first through hole, a second metal layer, a first organic layer, a second metal layer, an interlayer insulation layer and a third metal layer, wherein part of the third metal layer located in the display area penetrates the interlayer insulating layer and is electrically connected to the second metal layer. The display panel has the technical effects that the bending performance of the display panel is improved, the circuit voltage drop is reduced, and the brightness uniformity of the display panel is improved.

The invention discloses a flanging machine. The flanging machine comprises a rack and a base arranged on the rack, wherein a trimming carrying and conveying mechanism, an alignment mechanism, a trimming mechanism and a flanging mechanism are arranged on the base; the trimming carrying and conveying mechanism is used for conveying a battery; the alignment mechanism is positioned on the two sides ofthe trimming carrying and conveying mechanism and is used for seeking the central line of the battery; the trimming mechanism is used for cutting a redundant laminating film; the flanging mechanism is used for bending the residual laminating film; an overturning mechanism used for overturning the battery is arranged in the position, following the flanging mechanism, on the base; a roll folding and carrying mechanism used for carrying the battery, a prepressing locating mechanism which is positioned on the two sides of the roll folding and carrying mechanism and is used for prepressing the laminating film and locating the battery, and a roll folding mechanism used for folding the laminating film through rolling are arranged in the position, following the overturning mechanism, on the base;and a hot pressing shaping mechanism used for leveling the laminating film is arranged in the position, following the roll folding mechanism, on the base. According to the flanging mechanism, trimming, flanging, code scanning, weighing, shaping and overturning can be automatically carried out on the battery, the automation degree is high, product specifications are uniform, the battery is not damaged, manpower is greatly saved, and quality is improved.

The invention discloses a novel wire-cutting lifting mechanism, which comprises a lifting guide rail stable in lifting, high in lifting speed and accurate in positioning. The lifting mechanism is provided with a hollow square lifting guide rail, the hollow part of the lifting guide rail is provided with a lifting screw rod pair, the top ends of the lifting screw rod pair are connected to a lifting screw rod chain wheel, a lifting bearing block is arranged below the lifting screw rod chain wheel, the lifting guide rail is sleeved with an axis-Z linear guide rail pair which is fixedly connected with an axis-X sliding body, the axis-X sliding body is connected with an axis-X linear guide rail pair, an axis-Y sliding body is arranged behind the axis-X sliding body, a lifting motor is arranged above the axis-X sliding body, a motor chain wheel on the upper part of the lifting motor is connected with the lifting screw rod chain wheel through a chain, and the lower end part of the lifting guide rail is connected with a wire feeding rack assembly. The novel wire-cutting lifting mechanism disclosed by the invention has the advantages of high cutting efficiency, improved cutting precision and sliced sheet quality, lightness, high rigidity and reasonableness in stress; and because a gray pig iron casting structure with good stability is adopted, the advantages of light weight and good bending resistance are achieved.

The invention relates to the technical field of material performance testing, in particular to a multifunctional material bending experimental device. The experimental device comprises a base, a scaleline on the base for aligning two supports, a first support and a second support for supporting a sample, a removable and replaceable three-point bending and four-point bending indenter and a pulleyfor adjusting the positions of the two supports. The position of the support can be adjusted accurately through the pulley, and the purpose that measurement can be carried out under different bendingmoments is achieved; different grooves are opened in the top parts of the two supports, a corresponding form is adopted for a different sample, and the sample can be better fixed; a material three-point bending experiment can be carried out, and also, a four-point bending experiment can be carried out by replacing the indenter; and the device is the removable device and can be directly connected with a tensile testing machine, the operation is simple, and the application range of the experimental equipment can be greatly increased.

The present invention relates to: a novel polyamic acid in which imidazole is introduced to polymer chains; a photosensitive resin composition containing the polyamic acid which can provide a photosensitive material satisfying the characteristics of excellent flexibility and low stiffness, and has excellent heat resistance and coating resistance; a dry film obtained from the photosensitive resin composition; and a circuit board including the dry film.