ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

• US 20150034918A1
• Filed: 04/11/2014
• Published: 02/05/2015
• Est. Priority Date: 08/02/2013
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: YIM, Sang-Hoon, KIM, Kyung-Ho, SONG, Young-Woo, LEE, Jong-Hyuk, CHO, Kwan-Hyun
• Granted Patent: US 9,324,771 B2
• Time in Patent Office: Days
• US Class Current: 257/40
• CPC Class Codes: H10K 50/856 comprising reflective means
• CPC Class Codes: H10K 59/40 OLEDs integrated with touch screens
• CPC Class Codes: H10K 59/878 comprising reflective means
• CPC Class Codes: H10K 59/879 comprising refractive means, e.g. lenses
• CPC Class Codes: H10K 71/00 Manufacture or treatment specially adapted for the organic devices covered by this subclass

Abstract

An organic light-emitting display apparatus includes a first substrate including a display unit having a light-emitting region and a non-light-emitting region, a second substrate parallel to the first substrate, and a reflective member on a surface of the second substrate that faces the first substrate, the reflective member corresponding to the non-light-emitting region of the display unit and being configured to sense touch, and the reflective member including a plurality of first pattern parts electrically connected along a first direction and a plurality of second pattern parts electrically connected along a second direction.

Claims

1. An organic light-emitting display apparatus, comprising:

a first substrate including a display unit having a light-emitting region and a non-light-emitting region;

a second substrate parallel to the first substrate; and

a reflective member on a surface of the second substrate that faces the first substrate, the reflective member corresponding to the non-light-emitting region of the display unit and being configured to sense touch, and the reflective member including a plurality of first pattern parts electrically connected along a first direction and a plurality of second pattern parts electrically connected along a second direction.

2. The organic light-emitting display apparatus as claimed in claim 1, wherein the first pattern parts include regions corresponding to the light-emitting region.

3. The organic light-emitting display apparatus as claimed in claim 1, wherein the first direction and the second direction are perpendicular to each other.

4. The organic light-emitting display apparatus as claimed in claim 1, wherein the second substrate further comprises:

first connection parts connecting the first pattern parts;

second connection parts crossing the first connection parts and connecting the second pattern parts; and

an insulating layer on the first pattern parts and the second pattern parts, the insulating layer covering boundaries between the first pattern parts and the second pattern parts.

5. The organic light-emitting display apparatus as claimed in claim 4, wherein the first connection parts include a same material as the first pattern parts.

6. The organic light-emitting display apparatus as claimed in claim 4, wherein the second connection parts are insulated from the first connection parts by the insulating layer, each second connection part being in contact with each of a pair of adjacent second pattern parts.

7. The organic light-emitting display apparatus as claimed in claim 4, wherein the insulating layer includes:

body parts having line shape, the body parts overlapping the first pattern parts along the second direction; and

third connection parts overlapping the first connection parts and connecting adjacent body parts.

8. The organic light-emitting display apparatus as claimed in claim 7, wherein the third connection parts are island-shaped and are connected to the body parts.

9. The organic light-emitting display apparatus as claimed in claim 4, wherein the insulating layer covers a region corresponding to the light-emitting region.

10. The organic light-emitting display apparatus as claimed in claim 4, wherein the insulating layer is a dielectric mirror.

11. The organic light-emitting display apparatus as claimed in claim 4, wherein the insulating layer includes at least one layer having a low refractive index and at least one layer having a high refractive index.

12. The organic light-emitting display apparatus as claimed in claim 11, wherein the insulating layer includes at least one of silicon oxide (SiO₂) and silicon nitride (SiN_x).

13. The organic light-emitting display apparatus as claimed in claim 4, wherein a refractive index of the insulating layer is higher than a refractive index of the second substrate.

14. A method of manufacturing an organic light-emitting display apparatus, the method comprising:

providing a first substrate including a display unit, the display unit having a light-emitting region and a non-light-emitting region;

providing a second substrate;

forming a reflective member on a surface of the second substrate, such that the reflective member corresponds to the non-light-emitting region and faces the first substrate;

patterning the reflective member to form a plurality of first pattern parts disposed along a first direction and connected to one another, and a plurality of second pattern parts disposed along a second direction; and

connecting the plurality of second pattern parts to one another, and

aligning and bonding the first substrate and the second substrate parallel to the first substrate.

15. The method as claimed in claim 14, further comprising forming an insulating layer on the first pattern parts and the second pattern parts to cover boundaries between the first pattern parts and the second pattern parts.

16. The method as claimed in claim 15, wherein forming the insulating layer includes forming a first insulating layer in a form of a line overlapping the first pattern parts along the second direction and a second insulating layer overlapping a region connecting the first connection parts and connecting adjacent first insulating layers.

17. The method as claimed in claim 15, wherein connecting the second pattern parts includes forming a first connection part that connects the first pattern parts, and a second connection part that is insulated by the insulating layer, crosses the first connection part, and is in contact with each of a pair of the adjacent second pattern parts.

18. The method as claimed in claim 15, wherein forming the insulating layer includes alternately stacking at least one layer having a low refractive index and at least one layer having a high refractive index.

19. The method as claimed in claim 18, wherein the insulating layer includes at least one of silicon oxide (SiO₂) and silicon nitride (SiN_x).

20. The method as claimed in claim 15, wherein a refractive index of the insulating layer is higher than a refractive index of the second substrate.