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CN-121982968-A - Folding screen and foldable electronic equipment

CN121982968ACN 121982968 ACN121982968 ACN 121982968ACN-121982968-A

Abstract

The application provides a folding screen and foldable electronic equipment, and relates to the technical field of electronic products. The folding screen comprises a screen body, wherein a supporting sheet is arranged on the back surface of the screen body and covers the bendable part of the screen body. The reinforcing sheet is additionally arranged on the surface of one side of the supporting sheet, which is away from the screen body, or the self structure of the supporting sheet is improved, so that the structural strength of the folding screen at the bendable part is enhanced. The supporting sheet and the reinforcing sheet are fixedly connected to the screen body, and the folding screen is of an integral structure. Therefore, the shock resistance of the folding screen can be improved, the folding screen is prevented from being broken, bright spots, black spots and other failure problems, and the using effect of the folding screen is guaranteed. And the movement form of the folding screen is not influenced, scratch abnormal sound can not be generated, and the using effect of the foldable electronic equipment can be improved. In addition, the folding screen has simple structural design and convenient assembly.

Inventors

  • PENG GAOFENG
  • CHEN RUIHAO
  • DONG SHAOHONG

Assignees

  • 荣耀终端股份有限公司

Dates

Publication Date
20260505
Application Date
20241028

Claims (20)

  1. 1. A folding screen, comprising: The screen body comprises a first non-bending part, a bendable part and a second non-bending part which are sequentially arranged along a first direction; the support sheet is attached to the back surface of the screen body and at least covers the bendable part, and comprises a strong deformation part, a straight part and a weak deformation part, wherein the strong deformation part is positioned in the middle area of the support sheet in the first direction, and the straight part and the weak deformation part are sequentially arranged on two sides of the strong deformation part; The reinforcing sheet is attached to the surface of one side of the supporting sheet, which is away from the screen body, and two ends of the reinforcing sheet extend to the straight part; The strong deformation part is provided with a plurality of strip-shaped holes, the strip-shaped holes are extended along a second direction and are sequentially arranged at intervals along the first direction, the second direction is perpendicular to the first direction, the weak deformation part is provided with a plurality of long grooves, the long grooves are sequentially arranged at intervals along the first direction, and the notch of each long groove faces away from the screen body.
  2. 2. The folding screen according to claim 1, wherein the reinforcing sheet comprises a hollowed-out portion and a solid portion, the solid portion is located at two sides of the hollowed-out portion in the first direction, the hollowed-out portion covers the strong deformation portion, and the solid portion covers at least part of the flat portion; The hollow part is internally provided with a plurality of hollow holes, the hollow holes are extended along the second direction and are sequentially arranged at intervals along the first direction, and the hollow holes and the strip-shaped holes are staggered along the first direction.
  3. 3. The folding screen according to claim 2, wherein a plurality of the hollowed-out holes are sequentially formed in the reinforcing sheet at intervals along the second direction.
  4. 4. A folding screen according to claim 3 wherein adjacent ones of the hollowed-out apertures are staggered in the second direction along the first direction.
  5. 5. The folding screen according to claim 4, wherein the hollowed-out holes at both ends of the hollowed-out portion are communicated to the end face of the reinforcing sheet at intervals along the first direction.
  6. 6. A folding screen according to any of claims 2 to 5, wherein all areas of the reinforcing sheet are bonded to the support sheet.
  7. 7. A folding screen according to any of claims 2 to 5, wherein the reinforcing sheet has a thickness of 0.05mm to 0.10mm.
  8. 8. A folding screen according to claim 1, wherein the reinforcing sheet is a solid sheet.
  9. 9. A folding screen according to claim 8 wherein the reinforcing sheet is bonded to the flat portion of the support sheet.
  10. 10. A folding screen according to claim 7, wherein the reinforcing sheet has a thickness of 0.02mm to 0.05mm.
  11. 11. The folding screen of claim 1, wherein the strong deformation includes a regular region and a gradual region, the gradual region being located on either side of the regular region and the gradual region being contiguous with the flat portion; The strip-shaped holes distributed in the regular region comprise regular strip-shaped holes which are enclosed to be in a closed shape and have the same extension length, each row of strip-shaped holes arranged in the second direction in the gradual change region respectively comprises gradual change strip-shaped holes which are enclosed to be in a closed shape and have the same extension length, and the extension length of the gradual change strip-shaped holes is smaller than that of the regular strip-shaped holes.
  12. 12. The folding screen according to claim 11, wherein the extension length of the gradation-shaped hole is gradually shortened from a side of the gradation region near the regular region to a side of the gradation region away from the regular region.
  13. 13. A folding screen according to claim 1, wherein the distance between the edge of the reinforcing sheet and the edge of the straight portion of the support sheet is less than or equal to 1.5mm.
  14. 14. A folding screen, comprising: The screen body comprises a first non-bending part, a bendable part and a second non-bending part which are sequentially arranged along a first direction; the support sheet is attached to the back surface of the screen body and at least covers the bendable part, and comprises a strong deformation part, a straight part and a weak deformation part, wherein the strong deformation part is positioned in the middle area of the support sheet in the first direction, and the straight part and the weak deformation part are sequentially arranged on two sides of the strong deformation part; The strong deformation part is provided with a plurality of first blind grooves and a plurality of second blind grooves, the first blind grooves and the second blind grooves extend to two ends of the strong deformation part along a second direction, the second direction is perpendicular to the first direction, the notch of the first blind grooves faces towards the screen body and the notch of the second blind grooves and faces away from the screen body, the first blind grooves and the second blind grooves are sequentially and alternately arranged along the first direction, the weak deformation part is provided with a plurality of long grooves, the long grooves are sequentially and alternately arranged along the first direction, and the notch of the long groove faces away from the supporting sheet.
  15. 15. The folding screen of claim 14 wherein the orthographic projection of the first blind slot onto the support sheet does not overlap with the orthographic projection of the second blind slot onto the support sheet.
  16. 16. The folding screen of claim 14 wherein the first blind slot has a slot width that is less than a slot width of the second blind slot.
  17. 17. The folding screen of claim 14 wherein the first blind slot has a slot depth that is less than a slot depth of the second blind slot.
  18. 18. A folding screen according to any of claims 14 to 17, wherein the strong deformation has a thickness of 0.10mm to 0.15mm.
  19. 19. A folding screen, comprising: The screen body comprises a first non-bending part, a bendable part and a second non-bending part which are sequentially arranged along a first direction; the support sheet is attached to the back surface of the screen body and at least covers the bendable part, and comprises a strong deformation part, a straight part and a weak deformation part, wherein the strong deformation part is positioned in the middle area of the support sheet in the first direction, and the straight part and the weak deformation part are sequentially arranged on two sides of the strong deformation part; The strong deformation part is provided with a plurality of blind grooves and a plurality of first strip-shaped holes, the blind grooves extend to two ends of the strong deformation part along a second direction, the first strip-shaped holes extend along the second direction and are arranged at intervals, the second direction is perpendicular to the first direction, the blind grooves and the first strip-shaped holes are sequentially arranged at intervals along the first direction, the weak deformation part is provided with a plurality of long grooves, the long grooves are sequentially arranged at intervals along the first direction, and the notch of each long groove faces away from the supporting sheet.
  20. 20. The folding screen according to claim 19, wherein the first bar-shaped holes at both ends of the strong deformation portion communicate to an end face of the support sheet.

Description

Folding screen and foldable electronic equipment Technical Field The present application relates to the field of electronic products, and in particular, to a folding screen and a foldable electronic device. Background With the technical development of electronic products, the requirements of users on the extremely light and thin foldable electronic equipment (such as a foldable mobile phone) are higher and higher, and the sizes of parts of the rotating shaft mechanism are correspondingly smaller and smaller, so that the limits of manufacturing process and overall rigidity are challenged. The number and variety of parts assembled by the rotating shaft mechanism of the foldable electronic equipment are large, and the parts are in motion fit. Therefore, a movement gap must be reserved between the parts, and holes are inevitably formed in the rotating shaft mechanism. When the reliability test of ball falling, tip and the like is carried out, the screen is in the hole position of the rotating shaft mechanism, and the failure problems of broken bright spots, black spots and the like are easy to occur. In this regard, a steel sheet is usually added to the rotating shaft mechanism, one side of the steel sheet is adhered to the corresponding door panel, and the other side of the steel sheet is separated from the rotating shaft mechanism to be in a free state, so as to enhance the support of the rotating shaft mechanism to the screen. However, in the process of switching the foldable electronic device between the unfolded state and the folded state, the steel sheet may scratch the door panel to generate abnormal sound, so as to affect the use effect of the electronic device. Disclosure of Invention The folding screen and the foldable electronic equipment provided by the application have the advantages that the supporting property of the folding screen in the area where the rotating shaft mechanism is located is better, the shock resistance of the folding screen can be improved, and the folding screen is prevented from losing efficacy such as broken bright spots, black spots and the like. And moreover, the problem of scratch and abnormal sound caused by the steel sheet can be solved, and the using effect of the foldable electronic equipment is improved. The first aspect of the application provides a folding screen, which comprises a screen body, a supporting sheet, a reinforcing sheet and a plurality of strip-shaped holes, wherein the first non-bending part, the bendable part and the second non-bending part are sequentially arranged along a first direction, the supporting sheet is attached to the back surface of the screen body and at least covers the bendable part, the supporting sheet comprises a strong deformation part, a straight part and a weak deformation part, the strong deformation part is positioned in the middle area of the supporting sheet in the first direction, the straight part and the weak deformation part are sequentially arranged on two sides of the strong deformation part, the reinforcing sheet is attached to one side surface of the supporting sheet, which is away from the screen body, the two ends of the reinforcing sheet extend to the straight part, the strip-shaped holes are distributed in the second direction and are sequentially arranged at intervals along the first direction, the second direction is perpendicular to the first direction, the weak deformation part is provided with a plurality of long grooves, the long grooves are sequentially arranged at intervals along the first direction, and the notch of each long groove is away from the screen body. According to the folding screen provided by the first aspect of the application, the back of the bendable part of the screen body is provided with the supporting sheet, and the strong deformation part, the flat part and the weak deformation part are sequentially arranged on two sides of the strong deformation part in the first direction by arranging the strong deformation part, the flat part and the weak deformation part on the supporting sheet. Through distributing a plurality of bar holes at strong deformation portion, make these a plurality of bar holes along the second direction extension and along first direction interval setting in proper order for strong deformation portion has stronger bending property, and the easy direction of buckling of strong deformation portion matches with the direction of buckling of folding screen. The plurality of long grooves are formed in the weak deformation part, the plurality of long grooves are extended along the second direction and are sequentially arranged at intervals along the first direction, so that the weak deformation part has moderate bending performance, and the easy bending direction of the weak deformation part is matched with the bending direction of the folding screen. Through setting gradually strong deformation portion, straight portion and weak deformation portion to the backing sheet, re