Flexible display

• US 10,608,194 B2
• Filed: 01/08/2018
• Issued: 03/31/2020
• Est. Priority Date: 01/09/2017
• Status: Active Grant

• Current Assignee: Kunshan Govisionox Optoelectronics Co., Ltd (Visionox Technology, Inc.)
• Original Assignee: Kunshan New Flat Panel Display Technology Center Co. Ltd.
• Inventors: Dang, Pengle, Cheng, Ji, Zhang, Xiuyu, Gao, Meiling
• Primary Examiner(s): Ho, Anthony
• Application Number:
  US16/315,426
• Publication Number:
  US 20190319202A1
• Time in Patent Office: 813 Days
• CPC Class Codes: H01L 25/167 comprising optoelectronic devices, e.g. LED, photodiodes
• CPC Class Codes: H01L 25/18 the devices being of types provided for in two or more different subgroups of the same main group of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N
• CPC Class Codes: H01L 25/50 Multistep manufacturing processes of assemblies consisting of devices, each device being of a type provided for in group H01L27/00 or H01L29/00 H01L21/50 takes precedence
• CPC Class Codes: H10K 2102/311 Flexible OLED
• CPC Class Codes: H10K 2102/351 Thickness
• CPC Class Codes: H10K 50/844 Encapsulations
• CPC Class Codes: H10K 59/80 Constructional details
• CPC Class Codes: H10K 59/871 Self-supporting sealing arrangements
• CPC Class Codes: H10K 59/873 Encapsulations
• CPC Class Codes: H10K 77/111 Flexible substrates
• CPC Class Codes: Y02E 10/549 Organic PV cells
• CPC Class Codes: Y02P 70/50 Manufacturing or production processes characterised by the final manufactured product

Abstract

A flexible display includes a flexible display screen and a drive chip. The flexible display screen includes a flexible substrate. The flexible substrate includes a display region and a bonding region. The back of the flexible substrate is adhered with a supporting film and the drive chip is bonded to the bonding region.

Claims

1. A flexible display, comprising:

a flexible display screen and a drive chip, wherein the flexible display screen comprises a flexible substrate including a display region and a bonding region, a back of the flexible substrate is adhered with a supporting film and the drive chip is bonded to the bonding region,

wherein the supporting film is adhered to each of the display region and the bonding region, the supporting film provided in the bonding region has holes formed therein, and the supporting film provided in the display region has no hole.

2. The flexible display according to claim 1, wherein the supporting film provided in the display region is viscous, and the supporting film provided in the bonding region is removable.

3. The flexible display according to claim 1, wherein the supporting film provided in the bonding region is more flexible than the supporting film provided in the display region.

4. The flexible display according to claim 1, wherein a thickness of the supporting film ranges from 0.1 μ

m to 0.3 μ

m.

5. The flexible display according to claim 1, wherein the supporting film is made of a material same as a material of the flexible substrate.

6. The flexible display according to claim 1, wherein the supporting film is made of resins.

7. The flexible display according to claim 1, further comprising a driver circuit located on a front of the flexible substrate;

an organic light emitting element located on the front of the flexible substrate and connected to the driver circuit-unit;

a film sealant covering the organic light emitting element; and

a water and oxygen barrier layer covering the film sealant.

8. A flexible display, comprising:

a flexible display screen and a drive chip, wherein the flexible display screen comprises a flexible substrate including a display region and a bonding region, a back of the flexible substrate is adhered with a supporting film and the drive chip is bonded to the bonding region,

wherein the supporting film is adhered to each of the display region and the bonding region, the supporting film in each of the bonding region and the display region has holes formed therein, and a ratio of hole area to non-hole area of the supporting film in the bonding region is larger than a ratio of hole area to non-hole area of the supporting film in the display region.

9. The flexible display according to claim 8, wherein the supporting film provided in the display region is viscous, and the supporting film provided in the bonding region is removable.

10. The flexible display according to claim 8, wherein the supporting film provided in the bonding region is more flexible than the supporting film provided in the display region.

11. The flexible display according to claim 8, wherein a thickness of the supporting film ranges from 0.1 μ

m to 0.3 μ

m.

12. The flexible display according to claim 8, wherein the supporting film is made of a material same as a material of the flexible substrate.

13. The flexible display according to claim 8, wherein the supporting film is made of resins.

14. The flexible display according to claim 8, further comprising a driver circuit located on a front of the flexible substrate;

an organic light emitting element located on the front of the flexible substrate and connected to the driver circuit;

a film sealant covering the organic light emitting element; and

a water and oxygen barrier layer covering the film sealant.