US-12628289-B2 - Support member of flexible display module and manufacturing method thereof, flexible display module, electronic device and assembly table

Abstract

Provided is a support member of a flexible display module. The support member includes: a body portion and a plurality of outward protrusion portions. The plurality of outward protrusion portions are at least distributed at two opposite sides of the body portion and protrude outwards relative to the sides of the body portion. A positioning hole is formed in each of the outward protrusion portions.

Inventors

• Xiaoxia Huang
• Guodong Zeng
• Yiqian WU
• YunHui Huang
• Wei Chen
• Hufei Yang
• Liang Gao
• Ajuan Du
• Feifan Li
• Hao Sun
• Yongle Wang
• Enjian Yang
• Yilun Zeng

Assignees

• CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
• BOE TECHNOLOGY GROUP CO., LTD.

Dates

Publication Date

20260512

Application Date

20230512

Priority Date

20220531

Claims (20)

1. 1 . A support member of a flexible display module, comprising: a body portion and a plurality of outward protrusion portions, wherein the plurality of outward protrusion portions are at least distributed at two opposite sides of the body portion and protrude outwards relative to the sides of the body portion, and a positioning hole is formed in each of the outward protrusion portions; wherein the body portion has two first sides that are opposite to each other and two second sides that are opposite to each other, two ends of each of the two second sides being respectively connected to the two first sides; the body portion has a bending region, the bending region extending from one of the two first sides to the other of the two first sides; and the two second sides are each connected to at least one of the outward protrusion portions.
2. 2 . The support member according to claim 1 , wherein the positioning holes are circular holes, elliptical holes, or strip-shaped holes.
3. 3 . The support member according to claim 2 , wherein the positioning holes in at least two of the plurality of outward protrusion portions have different shapes.
4. 4 . The support member according to claim 1 , wherein at least one of the two first sides is connected to one of the outward protrusion portions.
5. 5 . The support member according to claim 4 , wherein the plurality of outward protrusion portions at least comprise first outward protrusion portions and second outward protrusion portions, wherein the positioning holes in the first outward protrusion portions are circular holes, the positioning holes in the second outward protrusion portions are elliptical holes each with a short axis length being greater than a diameter of each of the circular holes or striped-shaped holes each with a width being greater than the diameter of each of the circular holes, the first outward protrusion portions are connected to the first sides, and the second outward protrusion portions are connected to the second sides.
6. 6 . The support member according to claim 5 , wherein length directions of the positioning holes in the second outward protrusion portions are perpendicular or parallel to the second sides, wherein in the case that the positioning holes in the second outward protrusion portions are elliptical holes, the length direction of each of the positioning holes is a long axis direction of each of the elliptical holes, and wherein in the case that the positioning holes in the second outward protrusion portions are strip-shaped holes, the length direction of each of the positioning holes is a length direction of each of the strip-shaped holes.
7. 7 . The support member according to claim 6 , wherein each of the second sides is connected to two of the second outward protrusion portions, and wherein on at least one of the second sides, the length directions of the positioning holes in the two of the second outward protrusion portions connected to the same second side are perpendicular to each other.
8. 8 . The support member according to claim 6 , wherein a ratio of a length to a width of each of the positioning holes in the second outward protrusion portions is in the range of (1, 1.3].
9. 9 . The support member according to claim 6 , wherein a length of a short axis of each of the elliptical holes is 1.1 times to 1.5 times a diameter of each of the circular holes; and a width of each of the strip-shaped holes is 1.1 times to 1.5 times a radius of each of the circular holes.
10. 10 . The support member according to claim 6 , wherein a length of a long axis of each of the elliptical holes is not less than the diameter of each of the circular hole, and a length of a short axis of each of the elliptical holes is not greater than the diameter of each of the circular holes; wherein the length of each of the strip-shaped holes is not less than the diameter of each of the circular holes, and a width of each of the strip-shaped holes is not greater than the diameter of each of the circular holes.
11. 11 . The support member according to claim 1 , wherein the plurality of outward protrusion portions at least comprise first protrusion portions and second protrusion portions, the positioning holes in the first protrusion portions are circular holes, and the positioning holes in the second protrusion portions are elliptical holes or strip-shaped holes; one of the two first sides is connected to at least one of the first outward protrusion portions and the other of the two first sides is connected to at least one of the second outward protrusion portions; and each of the two second sides is connected to at least one of the first outward protrusion portions and at least one of the second outward protrusion portions, and the first outward protrusion portions connected to the second sides are close to the first sides connected to the second outward protrusion portions, and the second outward protrusion portions connected to the second sides are close to the first sides connected to the first outward protrusion portions.
12. 12 . The support member according to claim 11 , wherein length directions of the positioning holes in the second outward protrusion portions connected to the first sides are perpendicular to the first sides; or length directions of the positioning holes in the second outward protrusion portions connected to the second sides are perpendicular to the second sides.
13. 13 . The support member according to claim 11 , wherein a diameter of each of the positioning holes in the first outward protrusion portions connected to the first sides is less than a diameter of each of the positioning holes in the first outward protrusion portions connected to the second sides.
14. 14 . The support member according to claim 1 , wherein a plurality of through-holes are arranged in the support member, wherein the plurality of through-holes are arranged in a junction of the outward protrusion portions and the body portion and are spaced along an edge of the body portion.
15. 15 . A flexible display module, comprising a flexible display panel and the support member according to claim 1 , wherein the flexible display panel is disposed on one side of the support member and connected to a body portion of the support member, the protrusion portion of the support member is protrude outwards relative to an edge of the flexible display panel.
16. 16 . An electronic device, comprising: a foldable center frame and the flexible display module according to claim 15 , the flexible display module being connected to the foldable center frame.
17. 17 . An assembly table, comprising: a support portion and a plurality of positioning columns, wherein the support portion has a support surface for carrying the flexible display module as defined in claim 15 , wherein the plurality of positioning columns stand on the support surface and are connected to the support surface, and the plurality of positioning columns are configured to be engaged with positioning holes in at least portion of the outward protrusion portions of the support member.
18. 18 . A support member of a flexible display module, comprising: a body portion and a plurality of outward protrusion portions, wherein the plurality of outward protrusion portions are at least distributed at two opposite sides of the body portion and protrude outwards relative to the sides of the body portion, and a positioning hole is formed in each of the outward protrusion portions; wherein a first strip-shaped groove is arranged in the support member, wherein the first strip-shaped groove is arranged in a junction of the outward protrusion portions and the body portion and extends along an edge of the body portion.
19. 19 . A flexible display module, comprising a flexible display panel and the support member according to claim 18 , wherein the flexible display panel is disposed on one side of the support member and connected to a body portion of the support member, the protrusion portion of the support member is protrude outwards relative to an edge of the flexible display panel.
20. 20 . A method for manufacturing a support member for a flexible display module, comprising: providing a plate; and stamping the plate to form a body portion and a plurality of outward protrusion portions that are connected, wherein the outward protrusion portions are at least distributed at two opposite sides of the body portion and protrude outwards relative to the sides of the body portion, and the outward protrusion portions are provided with positioning holes; wherein the body portion has two first sides that are opposite to each other and two second sides that are opposite to each other, two ends of each of the two second sides being respectively connected to the two first sides; the body portion has a bending region, the bending region extending from one of the two first sides to the other of the two first sides; and the two second sides are each connected to at least one of the outward protrusion portions; or wherein a first strip-shaped groove is arranged in the support member, wherein the first strip-shaped groove is arranged in a junction of the outward protrusion portions and the body portion and extends along an edge of the body portion.

Description

This application is a U.S. national stage of international application No. PCT/CN2023/094000, field on May 12, 2023, which claims priority to Chinese Utility Patent Application No. 202221357496.4, filed on May 31, 2022 and entitled “SUPPORT MEMBER OF FLEXIBLE DISPLAY MODULE AND MANUFACTURING METHOD THEREOF, FLEXIBLE DISPLAY MODULE. ELECTRONIC DEVICE AND ASSEMBLY TABLE,” the contents of each are incorporated herein by reference in their entireties. TECHNICAL FIELD The present disclosure relates to the field of display devices, and in particular relates to a support member of a flexible display module and a manufacturing method thereof, a flexible display module, an electronic device, and an assembly table. BACKGROUND With the development of the technology, electronic devices are more and more widely used and become one of the important tools in daily work and life of people. Foldable electronic devices are gradually favored by users due to small size and good portability. SUMMARY According to some embodiments of the present disclosure, a support member of a flexible display module is provided. The support member includes a body portion and a plurality of outward protrusion portions, wherein the plurality of outward protrusion portions are at least distributed at two opposite sides of the body portion and protrude outwards relative to the sides of the body portion, and a positioning hole is formed in each of the outward protrusion portions. In some embodiments, the positioning holes are circular holes, elliptical holes, or strip-shaped holes. In some embodiments, the positioning holes in at least two of the plurality of outward protrusion portions have different shapes. In some embodiments, the body portion has two first sides that are opposite to each other and two second sides that are opposite to each other, two ends of each of the two second sides being respectively connected to the two first sides; the body portion has a bending region, the bending region extending from one of the two first sides to the other of the two first sides; and the two second sides are each connected to at least one of the outward protrusion portions. In some embodiments, at least one of the two first sides is connected to one of the outward protrusion portions. In some embodiments, the plurality of outward protrusion portions at least include first outward protrusion portions and second outward protrusion portions, wherein the positioning holes in the first outward protrusion portions are t circular holes, the positioning holes in the second outward protrusion portions are elliptical holes each with a short axis length being greater than a diameter of each of the circular holes or strip-shaped holes each with a width being greater than the diameter of each of the circular hole, the first outward protrusion portions a connected to the first sides, and the second outward protrusion portions are connected to the second sides. In some embodiments, length directions of the positioning holes in the second outward protrusion portion are perpendicular or parallel to the second sides, wherein in the case that the positioning holes in the second outward protrusion portions the elliptical holes, the length direction of each of the positioning holes is a long axis direction of each of the elliptical holes, and wherein in the case that the positioning holes in the second outward protrusion portions are strip-shaped holes, the length direction of each of the positioning holes is a length direction of each of the strip-shaped holes. In some embodiments, each of the second sides is connected to two of the second outward protrusion portions, wherein on at least one of the second sides, the length directions of the positioning holes in the two of the second outward protrusion portions connected to the same second side are perpendicular to each other. In some embodiments, a ratio of a length to a width of each of the positioning holes in the second outward protrusion portions is in the range of (1, 1.3]. In some embodiments, a length of a short axis of each of the elliptical holes is 1.1 times to 1.5 times a diameter of each of the circular holes; and a width of each of the strip-shaped holes is 1.1 times to 1.5 times a radius of each of the circular holes. In some embodiments, a length of a long axis of each of the elliptical holes is not less than the diameter of each of the circular holes, and a length of a short axis of each of the elliptical holes is not greater than the diameter of each of the circular holes; wherein the length of each of the strip-shaped holes is not less than the diameter of each of the circular holes, and a width of each of the strip-shaped holes is not greater than the diameter of each of the circular holes. In some embodiments, a first strip-shaped groove is arranged in the support member, wherein the first strip-shaped groove is arranged in a junction of the outward protrusion portions and the body portion and extends