Granted Patent B2

US 12,274,120 · App. 17/586,306 · Granted Apr 8, 2025

Inventors: Hongyeon Lee (Yongin-si, KR); Seungyeon Jeong (Yongin-si, KR); Beohmrock Choi (Yongin-si, KR); Ohjeong Kwon (Yongin-si, KR); Hongjo Park (Yongin-si, KR); Sujeong Kim (Yongin-si, KR); Kyunghee Lee (Yongin-si, KR)

Assignee: Samsung Display Co., Ltd.

H10K50/844H10K50/841H10K50/868H10K59/12H10K59/38H10K59/40H10K50/15H10K50/16H10K50/17H10K50/171H10K59/1213H10K59/1216H10K59/122H10K59/124H10K59/35

Abstract

Claims (41)

1. A display apparatus comprising:

a substrate;

a display device layer disposed on the substrate and comprising an organic light-emitting device;

a low-reflection inorganic layer disposed on the display device layer and comprising an inorganic material;

a capping layer disposed on the low-reflection inorganic layer, and

a reflection adjusting layer disposed on the capping layer.

2. The display apparatus of claim 1 , wherein the inorganic material has a refractive index of about 1 or more.

3. The display apparatus of claim 1 , wherein the inorganic material has an absorption coefficient of about 0.5 or more.

4. The display apparatus of claim 1 , wherein the inorganic material comprises ytterbium, bismuth, cobalt, molybdenum, titanium, zirconium, aluminum, chromium, niobium, platinum, tungsten, indium, tin, iron, nickel, tantalum, manganese, zinc, germanium, or a combination thereof.

5. The display apparatus of claim 1 , wherein the low-reflection inorganic layer is made by thermally depositing the inorganic material.

6. The display apparatus of claim 1 , wherein the low-reflection inorganic layer has a thickness from about 0.1 nm to about 50 nm.

7. The display apparatus of claim 1 , wherein the reflection adjusting layer comprises a dye, a pigment, or a combination thereof.

8. The display apparatus of claim 1 , wherein the reflection adjusting layer has a maximum absorption wavelength in a first region of about 480 nm to about 510 nm or a second region of about 580 nm to about 610 nm.

9. The display apparatus of claim 1 , wherein the reflection adjusting layer comprises a compound comprising an oxazine moiety, a compound comprising a cyanine moiety, a compound comprising a tetraazoporphine moiety, or a compound comprising a squarylium moiety.

10. The display apparatus of claim 1 , wherein the capping layer comprises an organic capping layer including an organic material, an inorganic capping layer including an inorganic material, or a composite capping layer including an organic material and an inorganic material.

11. The display apparatus of claim 1 , wherein the capping layer has a thickness from about 1 nm to about 200 nm.

12. The display apparatus of claim 1 , further comprising an encapsulation layer on the capping layer.

13. The display apparatus of claim 12 , wherein the encapsulation layer comprises an encapsulation portion and further comprising an input sensing member between the encapsulation portion and the reflection adjusting layer.

14. The display apparatus of claim 1 , wherein

the organic light-emitting device comprises: a pixel electrode; an interlayer disposed on the pixel electrode and comprising an emission layer; and an opposite electrode disposed on the interlayer.

15. The display apparatus of claim 1 , wherein the display apparatus excludes a polarizing plate.

16. The display apparatus of claim 1 , wherein the display apparatus excludes a color conversion member or a wavelength conversion member.

17. The display apparatus of claim 1 , further comprising a thin-film transistor,

wherein the thin-film transistor is electrically connected to the organic light-emitting device.

18. The display apparatus of claim 17 , wherein the thin-film transistor comprises a semiconductor layer and a gate electrode, the gate electrode overlapping a channel area of the semiconductor layer.

19. A display apparatus comprising:

a substrate;

a display device layer disposed on the substrate and comprising an organic light-emitting device;

a low-reflection inorganic layer disposed on the display device layer and comprising an inorganic material;

a capping layer disposed on the low-reflection inorganic layer, and

a reflection adjusting layer disposed on the capping layer,

wherein an input sensing layer is between the capping layer and the reflection adjusting layer, and

the input sensing layer comprises a touch electrode layer.

20. A display apparatus comprising:

a substrate;

a display device layer disposed on the substrate and comprising an organic light-emitting device;

a low-reflection inorganic layer disposed on the display device layer and comprising an inorganic material;

a capping layer disposed on the low-reflection inorganic layer,

a reflection adjusting layer disposed on the capping layer; and

an encapsulation layer on the capping layer,

wherein the encapsulation layer comprises a sealing portion and an encapsulation substrate.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (16)