Organic light emitting diode display device

• US 10,714,703 B2
• Filed: 10/01/2018
• Issued: 07/14/2020
• Est. Priority Date: 04/03/2013
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: You, Young-Min, Park, Dae-Kil
• Primary Examiner(s): Mandala, Michelle
• Assistant Examiner(s): Klein, Jordan M
• Application Number:
  US16/149,002
• Publication Number:
  US 20190036074A1
• Time in Patent Office: 652 Days
• 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 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H10K 19/00 Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00
• CPC Class Codes: H10K 2102/311 Flexible OLED
• CPC Class Codes: H10K 50/84 Passivation; Containers; Encapsulations
• CPC Class Codes: H10K 50/8426 Peripheral sealing arrangements, e.g. adhesives, sealants
• CPC Class Codes: H10K 50/865 comprising light absorbing layers, e.g. light-blocking layers
• CPC Class Codes: H10K 59/00 Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
• CPC Class Codes: H10K 59/10 OLED displays
• CPC Class Codes: H10K 59/129 Chiplets
• CPC Class Codes: H10K 59/87 Passivation; Containers; Encapsulations
• CPC Class Codes: H10K 59/8722 Peripheral sealing arrangements, e.g. adhesives, sealants
• CPC Class Codes: H10K 59/8792 comprising light absorbing layers, e.g. black layers
• CPC Class Codes: H10K 77/111 Flexible substrates
• CPC Class Codes: Y02E 10/549 Organic PV cells

Abstract

An organic light emitting diode (OLED) display includes: a substrate including a plurality of organic light emitting elements; an adhesive member on at least a portion of an upper surface of the substrate; a flexible circuit board adhered to the upper surface of the adhesive member and having a portion bent to be mounted to a lower surface of the substrate; and a light blocking member at the upper surface of the substrate, wherein the light blocking member is laterally offset from the adhesive member.

Claims

1. An organic light emitting diode (OLED) display comprising:

a substrate comprising a plurality of organic light emitting elements;

an adhesive member on a first surface of the substrate;

a flexible circuit board having a first end coupled to a second surface of the substrate; and

a light blocking member on the first surface of the substrate,

wherein the light blocking member is laterally offset from the adhesive member, and

wherein a shortest distance between the light blocking member and the first end of the flexible circuit board is greater than a shortest distance between the light blocking member and the adhesive member along a plane direction of the first surface of the substrate in a cross sectional view.

2. The organic light emitting diode (OLED) display of claim 1, wherein

the shortest distance between the light blocking member and the adhesive member along the plane direction of the first surface of the substrate is in a range of 0.5 mm to 0.7 mm.

3. The organic light emitting diode (OLED) display of claim 2, wherein a length of the adhesive member is in a range of 3.3 mm to 3.5 mm.

4. The organic light emitting diode (OLED) display of claim 1, wherein the flexible circuit board contacts the adhesive member on the first surface of the substrate, and

the flexible circuit board overlaps the light blocking member and the adhesive member when viewed in a direction perpendicular to the first surface of the substrate.

5. The organic light emitting diode (OLED) display of claim 1, further comprising a driving integrated circuit (IC) coupled to the first end of the flexible circuit board.

6. The organic light emitting diode (OLED) display of claim 5, wherein the driving IC is between the flexible circuit board and the substrate.

7. The organic light emitting diode (OLED) display of claim 5, wherein the driving IC is below the first end of the flexible circuit board.

8. The organic light emitting diode (OLED) display of claim 1, further comprising a driving IC coupled to a second end of the flexible circuit board.

9. The organic light emitting diode (OLED) display of claim 8, wherein the driving IC and the light blocking member face each other.

10. The organic light emitting diode (OLED) display of claim 1, wherein

the substrate comprises a display area and a non-display area,

the adhesive member is at the non-display area, and

the light blocking member is at the display area.

11. The organic light emitting diode (OLED) display of claim 1, wherein the light blocking member comprises a light blocking material, and

the light blocking member is formed by coating the light blocking material to the first surface of the substrate.

12. The organic light emitting diode (OLED) display of claim 1, wherein

the light blocking member comprises a black tape.

13. The organic light emitting diode (OLED) display of claim 1, wherein

the adhesive member comprises a double-sided adhesive tape comprising an adhesive on opposing sides of the double-sided adhesive tape.

14. An organic light emitting diode (OLED) display comprising:

a substrate including a first surface and a second surface, where an image is displayed, opposite the first surface of the substrate;

an adhesive member on the first surface of the substrate;

a flexible circuit board having a first end coupled to the second surface of the substrate; and

a light blocking member on the first surface of the substrate,

wherein the light blocking member is laterally offset from the adhesive member.

15. The organic light emitting diode (OLED) display of claim 14, further comprising

a window on the second surface of the substrate, wherein the substrate is disposed between the window and the adhesive member.

16. The organic light emitting diode (OLED) display of claim 14, wherein

the flexible circuit board contacts the adhesive member on the first surface of the substrate.

17. The organic light emitting diode (OLED) display of claim 16, wherein

the flexible circuit board overlaps the light blocking member and the adhesive member when viewed in a direction perpendicular to the first surface of the substrate.

18. The organic light emitting diode (OLED) display of claim 14, further comprising a driving integrated circuit (IC) coupled to the first end of the flexible circuit board.

19. The organic light emitting diode (OLED) display of claim 14, further comprising a driving IC coupled to a second end of the flexible circuit board.

20. The organic light emitting diode (OLED) display of claim 19, wherein the driving IC and the light blocking member face each other.