Method and system for bending test of flexible screen

Patent metadata

Field	Value
Publication number	US-10054527-B2
Application number	US-201415105963-A
Country	US
Kind code	B2
Filing date	Dec 17, 2014
Priority date	Dec 18, 2013
Publication date	Aug 21, 2018
Grant date	Aug 21, 2018

Abstract

A method for bending test of a flexible screen is disclosed, including: connecting the flexible screen to a fixing device to form two connection ends; and conducting an extrusion test to the flexible screen, including moving the fixing device to change the distance between the connection ends of the fixing device so that the distance is less than or equal to the length of the flexible screen between the two connection ends. A system for bending test of a flexible screen is also disclosed. The above method and system for bending test of a flexible screen, which can simulate an operational environment of the flexible screen by moving the fixing device to conduct an extrusion test to the flexible screen, can reduce testing costs compared with the traditional methods and apparatuses for bending test of a flexible screen.

First claim

The invention claimed is:

1. A method for bending test of a flexible screen, comprising:
connecting the flexible screen to a fixing device to form two connection ends; and
conducting an extrusion test to the flexible screen, including moving the fixing device to change a distance between the connection ends of the fixing device so that the distance is less than or equal to a length of the flexible screen between the two connection ends,
wherein conducting an extrusion test to the flexible screen includes:
moving a first end of the fixing device along a first plurality of directions which are parallel to each other to extrude the flexible screen; and
moving a second end of the fixing device along a second plurality of directions which are parallel to each other to extrude the flexible screen, the first plurality of directions being perpendicular to the second plurality of directions.

2. The method of claim 1 , wherein conducting an extrusion test to the flexible screen comprises moving the first end of the fixing device in the first plurality of directions for a preset magnitude to extrude the flexible screen for a first preset number of times, and moving the second end of the fixing device in the second plurality of directions for a predetermined magnitude to extrude the flexible screen for a second preset number of times.

3. The method of claim 2 , wherein there is a plurality of preset magnitudes and/or a plurality of predetermined magnitudes.

4. A system for bending test of a flexible screen, comprising:
a fixing device, configured to be connected to the flexible screen to form two connection ends, wherein the fixing device comprises a first clamp and a second clamp configured to be connected to opposing sides of the flexible screen respectively to form two connection ends; and
an extrusion device, configured to move the fixing device to change a distance between the connection ends of the fixing device so that the distance is less than or equal to a length of the flexible screen between the two connection ends, and to conduct an extrusion test to the flexible screen,
wherein the extrusion device comprises:
a fixing support;
a stretchable first tension rod and a stretchable second tension rod, one end of the first tension rod and one end of the second tension rod being connected to the first clamp and the second clamp respectively;
a first base and a second base provided on the fixing support and configured to be moveable relative to the fixing support and connected to the other end of the first tension rod and the other end of the second tension rod respectively, for controlling the length of each of the first tension rod and the second tension rod to be stretched, so as to extrude the flexible screen in the direction along the connecting line between the two connection ends or move the fixing device respectively along directions which are parallel to each other to extrude the flexible screen.

5. The system of claim 4 , wherein the first clamp and the second clamp are movably connected with the first tension rod and the second tension rod respectively.

Assignees

• Kunshan New Flat Panel Display Technology Ct Co Ltd
• Kunshan Govisionox Optoelectronics Co Ltd

Inventors

• Liu Dongdong
• Gao Sheng
• Huang Xiuqi

Classifications

• G01N2203/0005

  Repeated or cyclic · CPC title

• G01N3/20 Primary

  by applying steady bending forces (G01N3/26, G01N3/28 take precedence) · CPC title

• G01N3/08

  by applying steady tensile or compressive forces (G01N3/28 takes precedence) · CPC title

• G01N2203/0641

  using optical, X-ray, ultraviolet, infrared or similar detectors · CPC title

• G01N2203/0282

  Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes · CPC title