63results about How to "Improve bending reliability" patented technology

The invention provides a flexible display panel and a display apparatus. The flexible display panel comprises a substrate; an inorganic layer located at one side of the substrate; and an organic layerlocated at one side, far from the substrate, of the inorganic layer. The inorganic layer comprises a groove area and non-groove areas, the groove area comprises a groove whose opening is arranged towards one side far from the substrate, the organic layer comprises a filling portion, the projection of the filling portion in a direction vertical to the substrate is located in the groove of the groove area, and in at least one first cross section vertical to the substrate, the non-groove areas are located at two sides of the groove area. The surface, far from the side of the substrate, of the filling portion is a recessed surface; and the recessed surface is recessed towards the side of the substrate. The display apparatus comprises the above flexible display panel. According to the flexibledisplay panel and the display apparatus, a pre-bent surface is firstly formed on the recessed surface of the filling portion so that when the flexible display panel is bent, the pre-bent surface anda bending surface generated by bending can be offset, and the bending reliability of the flexible display panel is improved.

A compact, optically double-ended sensor probes with at least one 180° bend provided in the optical fiber in close proximity to a fiber Bragg grating temperature sensor suspends the optical fiber within a casing in such a way that the expansion and contract of the probe casing will not materially influence the temperature reading of the fiber Bragg grating by adding time varying or temperature varying stress components.

The invention relates to the technical field of display, and discloses a cover plate, a preparation method of the cover plate, a display panel and a display device. The bending reliability and deformation recovery reliability of the cover plate are improved. The cover plate comprises a transparent substrate layer and a hardening layer located above the transparent substrate layer, wherein the transparent substrate layer comprises a bent area and a non-bent area; soft hardening materials and rigid hardening materials are alternately arranged on the portion, on the bent area, of the hardening layer; the portion, on the non-bent area, of the hardening layer is provided with a rigid hardening material. In the cover plate, the bent area is provided with the flexible hardening materials so thatthe hardening layer breaking phenomenon cannot occur when the bending radius of the bent area of the cover plate is small, and then the bending reliability of the cover plate can be improved. Meanwhile, the rigid hardening materials of the bent area and the rigid hardening material of the non-bent area are arranged so that the surface hardness of the cover plate can be guaranteed, the cover platecan still restore a flat state after dynamic bending or long-time static bending.

The embodiment of the invention provides a display panel and a display device, which relates to the technical field of display and used for improving the bending reliability of each film layer in a bending area of the display panel. The display panel comprises a flexible substrate, a light emitting device and a support layer, wherein the flexible substrate includes a display area and a bending area which are arranged in the first direction; the bending area includes a first edge and a second edge which are arranged in the second direction; the first direction interests with the second direction; the bending area includes a bending axis, and the bending axis extends in the second direction; the light emitting device is located in the display area; the support layer and the light emitting device are located at the same side of the flexible substrate; the support layer includes a first support layer, the first support layer is overlapped with the bending area, and the first support layercovers the first edge; and the minimum distance from the first support layer to the second edge in the second direction is greater than zero.

A display device includes: a substrate including a display area, a non-display area at which the image is not displayed and a first area including the display area, the non-display area including a bending area at which the display device is bendable between the first area and a second area; a first wire in the first area, the first wire and connected to the display area; a second wire in the second area; a protection layer in the first, second and bending areas, first and second contact holes in the protection layer and exposing the first and second wires; and a connection wire connected to the first wire, extended from the first area to traverse the bending area and connected to the second wire. The connection wire includes a plurality of conductive layers contacting each other, the plurality of conductive layers including a same material.

The invention discloses an organic light-emitting diode (OLED) display panel and a display device. The OLED display panel is used for improving the bending reliability of the OLED display device and prolonging the service lifetime of the OLED display device. The OLED display panel comprises a display region and a surrounding region, wherein the surrounding region is arranged outside the display region, the OLED display panel comprises an array substrate, a light-emitting unit, a thin film package layer and a nailed wall structure, the light-emitting unit and the thin film package layer are sequentially arranged on the array substrate, and the nailed wall structure is arranged on the surrounding region, penetrates through the thin film package layer and enters the array substrate.

The invention discloses a display panel and a manufacturing method and displaying device thereof. The display panel comprises a lining substrate, an organic light-emitting diode member formed on the lining substrate, a touch control electrode layer formed on the organic light-emitting diode, a circular polarizing layer formed on the touch control electrode layer, and a protection layer formed on the circular polarizing layer. According to the display panel, the display panel comprises the touch control electrode layer and circular polarizing layer which are arranged on the organic light-emitting diode member, a circular polarizing piece and a touch control sensor are not bonded to the organic light-emitting diode member, the base materials of the touch control sensor and the circular polarizing piece are eliminated, the thickness of the display panel is reduced on one hand to improve the bending reliability of the display panel and make the forming of a curved surface display panel convenient, and on the other hand the using of materials which have the influence on phase retardation can be prevented to reduce the reflection rate of the display panel and improve the visual effect ofthe display panel.

The embodiment of the invention provides a flexible display assembly, a fabrication method of the same and a display panel. The flexible display assembly comprises a display layer, a first thin film layer and a second thin film layer, wherein the display layer comprises a non-bending region and a bending region, the first thin film layer at least comprises a first inorganic layer and a first organic layer, the first inorganic layer and the first organic layer are sequentially formed on the bending region, the second thin film layer at least comprises a second inorganic layer and a second organic layer, the second inorganic layer and the second organic layer are sequentially formed on the non-bending region, the modulus difference between the first inorganic layer and the display layer is smaller than the modulus difference between the second inorganic layer and the display layer, and/or the thickness of the first inorganic layer is smaller than the thickness of the second inorganic layer, and the thickness of the first thin film layer is equal to the thickness of the second thin film layer. By the mode, the bending reliability of the flexible display assembly can be effectively improved.

Provided is a composition for window films comprising a siloxane resin of formula 1, a crosslinking agent and an initiator, a flexible window film formed therefrom, and a flexible display device comprising the same. (R¹SiO_3/2)_x(R²SiO_3/2)_y(R³R⁴SiO_2/2)_z(SiO_4/2)w (in formula 1, R¹ is a functional group containing an alicyclic epoxy group, R² is a functional group containing a glycidyl group, R³ and R⁴ are each independently a hydrogen, a functional group containing an alicyclic epoxy group, a functional group containing a glycidyl group, an optionally substituted C₁ to C₂₀ alkyl group, an optionally substituted C₅ to C₂₀ cycloalkyl group or an optionally substituted C₆ to C₂₀ aryl group, wherein 0<x<1, 0<y≤0.5, 0≤z<1, 0≤w<1, and x+y+z+w=1).

The embodiment of the invention provides a flexible display component and a display screen. The flexible display component includes a display module, a buffer layer and at least two fixed pieces. The fixed pieces are arranged on the display module to movably fix the buffer layer on one side of the display module. When the display module is in a natural state, the buffer layer is in contact with the display module, and when the display module is in a bending state, a gap layer exists between the buffer layer and the display module. In this way, the flexible display component and the display screen can effectively improve the bending reliability of the display module.

The invention relates to a display panel and a display device. The display panel comprises a substrate, an array layer, a light-emitting functional layer, a packaging layer, a polarization functionallayer and a first buffer layer, wherein the substrate, the array layer, the light-emitting functional layer and the packaging layer are arranged in sequence; the polarization functional layer is positioned on the side, which is away from the light-emitting functional layer, of the packaging layer; the first buffer layer is positioned on at least one side surface of the polarization functional layer and contacted with the polarization functional layer; the edge of polarization functional layer is sunken towards the center of the polarization functional layer in the direction parallel to the display panel to form at least one notch; the edge of the first buffer layer protrudes in the direction away from the center of the first buffer layer in the direction parallel to the display panel to form at least one protruding portion; the display panel is a bendable display panel; the protruding portion is overlapped with the notch; and the bending axis of the display panel passes through the protruding an overlapping area of the protruding portion and the notch. The invention further provides a display device including the display panel. According to the invention, the bending reliability ofthe display panel can be improved, and the generation of cracks of a film layer in the display panel is avoided when the display panel is bent.

The invention provides a supporting assembly, a manufacturing method thereof and a display device. The supporting assembly comprises a carbon fiber layer, the carbon fiber layer comprises at least one carbon fiber woven layer, and the carbon fiber woven layer comprises a carbon fiber woven base layer and resin materials distributed in gaps and on the surface of the carbon fiber woven base layer, the carbon fiber woven base layer in each carbon fiber woven layer is formed by weaving at least two fibers in different directions; the first high polymer material layer is arranged on one side of the carbon fiber layer. Therefore, after the material formed by weaving the fibers in the at least two different directions is infiltrated by the resin, the strength is high, and the requirement of the supporting assembly on the strength can be met; the carbon fiber layer has good bending performance, and the bending reliability is higher.

The present invention relates to a printed circuit board for optical waveguides and a method of manufacturing the same. The present invention provides a printed circuit board for optical waveguides includes: a base substrate; an optical waveguide that is formed on an upper middle of the base substrate and includes a lower clad, a core formed on an upper middle of the lower clad, and an upper clad formed on the lower clad to surround an upper surface and a side surface of the core; and a side substrate that is formed on the base substrate and has a through hole, through which the optical waveguide penetrates, provided at the middle thereof and a circuit pattern formed therein and a method of manufacturing a printed circuit board for optical waveguides.

The embodiment of the invention provides a display substrate and a manufacturing method thereof, a display panel and electronic equipment, and belongs to the technical field of display. The display substrate comprises a flexible substrate and at least two sub-pixels arranged on the flexible substrate, wherein at least two sub-pixels are arranged in rows and columns, and each sub-pixel comprises adriving circuit and a light-emitting element; the film layer where the driving circuit is located comprises at least one inorganic layer arranged on the flexible substrate, a spacing area is arrangedbetween the driving circuits of at least part of the adjacent sub-pixels, and the inorganic layer is provided with a groove in the spacing area. The display substrate also comprises an organic layer,wherein the organic layer is filled in the trench. According to the embodiment of the invention, the spacer regions are arranged between the inorganic layer driving circuits of the display substrate,and the inorganic layers in the spacer regions are replaced with the organic layers, so the bending radius of the display substrate can be reduced, and the bending reliability of the display substrateis improved.

The invention relates to the technical field of display, in particular to a winding battery cell, a battery structure, a flexible display device and a hot pressing device. The winding battery cell hasa first end surface and a second end surface which are opposite to each other in the winding axial direction, wherein an outer peripheral surface positioned between the first end surface and the second end surface, the outer peripheral surface comprises four side planes which are connected end to end in sequence, and the joint of at least two adjacent side planes is chamfered; and at least one ofthe first end face and the second end face is provided with a lug in a protruding manner, and the lugs can be bent to the side planes. The winding battery cell, the battery structure, the flexible display device and the hot pressing device can improve the product quality.