Preparation method of display apparatus and display apparatus

Patent metadata

Field	Value
Publication number	US-12083775-B2
Application number	US-202117406111-A
Country	US
Kind code	B2
Filing date	Aug 19, 2021
Priority date	Sep 30, 2020
Publication date	Sep 10, 2024
Grant date	Sep 10, 2024

Abstract

A preparation method of a display apparatus and the display apparatus are provided, the method and the apparatus are relating to a field of display technologies, an edge of at least a side of a flexible display module of the display apparatus is bent to a back side of the flexible display module to form a first bending portion; the preparation method includes providing a flexible display assembly, which includes a flexible display module and a first supporting plate fitted to a display surface of the flexible display module; the first supporting plate is made of a rigid material; an edge of at least a side of the first supporting plate is bent toward a side where the flexible display module is located to form a second bending portion.

First claim

What is claimed is:

1. A preparation method for a display apparatus,
wherein the display apparatus comprises a machine body and a flexible display module assembled on the machine body, an edge of at least one side of the flexible display module is bent toward a back side of the flexible display module to form a first bending portion, and the preparation method comprises:
providing a flexible display assembly, wherein the flexible display assembly comprises the flexible display module and a first supporting plate fit to a display surface of the flexible display module; the first supporting plate is made of a rigid material; an edge of at least one side of the first supporting plate is bent toward a side where the flexible display module is located to form a second bending portion; and a first surface of the first bending portion fits to the second bending portion to maintain a bending shape of the first bending portion; and
installing the flexible display assembly on the machine body, and removing the first supporting plate, making the first surface of the first bending portion pressed against the machine body to maintain the bending shape of the first bending portion,
wherein the flexible display module and the first supporting plate are bonded by an adhesive layer, and viscosity of a material of the adhesive layer is reduced after being exposed to light or heated.

2. The preparation method for the display apparatus of claim 1 , wherein, the flexible display module comprises a flexible display substrate, and a second supporting plate disposed on a side of the flexible display substrate away from a display side, wherein the second supporting plate is made of a rigid material, and an edge of a corresponding side of the second supporting plate has a same bending shape as the first bending portion.

3. The preparation method for the display apparatus of claim 2 , wherein a material of the second supporting plate is a stainless steel, and a thickness of the second supporting plate is 0.1 mm to 0.5 mm.

4. The preparation method for the display apparatus of claim 1 , wherein removing the first supporting plate comprises:
irradiating a surface of the first supporting plate away from the flexible display module with ultraviolet light or laser light to reduce adhesive strength of the adhesive layer, and then removing the first supporting plate.

5. The preparation method for the display apparatus of claim 1 , wherein an edge of the first supporting plate on a side where the second bending portion is located protrudes from an edge of the flexible display module on a side where the first bending portion is located.

6. The preparation method for the display apparatus of claim 1 , wherein a material of the first supporting plate is any one or more of polyethylene terephthalate, polypropylene, polyethylene naphthalate, polycarbonate and polymethylmethacrylate.

7. The preparation method for the display apparatus of claim 6 , wherein a thickness of the first supporting plate is equal to or greater than 0.5 mm.

8. The preparation method for the display apparatus of claim 1 , wherein the flexible display module is rectangular in shape, and edge of any one of four sides of the flexible display module forms the first bending portion, or edges of a plurality of sides of the edges of the four sides of the flexible display module all form the first bending portion.

9. A display apparatus, comprising:
a machine body and a flexible display module assembled on the machine body, wherein
an edge of at least one side of the flexible display module is bent toward a back side of the flexible display module to form a first bending portion; the display apparatus is manufactured by a preparation method, and the preparation method comprises:
providing a flexible display assembly, wherein the flexible display assembly comprises the flexible display module and a first supporting plate fit to a display surface of the flexible display module; the first supporting plate is made of a rigid material; an edge of at least one side of the first supporting plate is bent toward a side where the flexible display module is located to form a second bending portion; and a first surface of the first bending portion fits to the second bending portion to maintain a bending shape of the first bending portion;
installing the flexible display assembly on the machine body, and removing the first supporting plate, making the first surface of the first bending portion pressed against the machine body to maintain the bending shape of the first bending portion,
wherein the flexible display module and the first supporting plate are bonded by an adhesive layer, and a viscosity of a material of the adhesive layer is reduced after being exposed to light or heated.

10. The display apparatus of claim 9 , wherein the flexible display module comprises a flexible display substrate, and a second supporting plate disposed on a side of the flexible display substrate away from a display side, wherein the second supporting plate is made of a rigid material, and an edge of a corresponding side of the second supporting plate has a same bending shape as the first bending portion.

11. The display apparatus of claim 10 , wherein a material of the second supporting plate is a stainless steel, and a thickness of the second supporting plate is 0.1 mm-0.5 mm.

12. The display apparatus of claim 9 , wherein removing the first supporting plate comprises irradiating a surface of the first supporting plate away from the flexible display module with ultraviolet light or laser light to reduce adhesive strength of the adhesive layer, and then removing the first supporting plate.

13. The display apparatus of claim 9 , wherein an edge of the first supporting plate on a side where the second bending portion is located protrudes from an edge of the flexible display module on a side where the first bending portion is located.

14. The display apparatus of claim 9 , wherein a material of the first supporting plate is any one or more of polyethylene terephthalate, polypropylene, polyethylene naphthalate, polycarbonate and polymethylmethacrylate.

15. The display apparatus of claim 14 , wherein a thickness of the first supporting plate is equal to or greater than 0.5 mm.

16. The display apparatus of claim 9 , wherein the flexible display module is rectangular in shape, and edge of any one of four sides of the flexible display module forms the first bending portion, or edges of a plurality of sides of the edges of the four sides of the flexible display module all form the first bending portion.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Liu Lu
• Luo Xiaofei

Classifications

• B32B2457/20

  Displays, e.g. liquid crystal displays, plasma displays · CPC title

• B32B38/10

  Removing layers, or parts of layers, mechanically or chemically · CPC title

• B32B38/0008

  Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation (heat treatment B32B38/0036) · CPC title

• B32B27/06

  as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)} · CPC title

• B32B15/18

  comprising iron or steel {(B32B15/011, B32B15/012 and B32B15/013 take precedence)} · CPC title