Quantum dot glass cell and light-emitting device package including the same

1. A quantum dot glass cell comprising:

quantum dots, inorganic homogenizing particles, and a binder all mixed together to form a quantum dot powder;

a dispersion matrix in which the quantum dot powder is dispersed; and

a glass sealing structure surrounding the dispersion matrix.

2. The quantum dot glass cell of claim 1 , wherein the inorganic homogenizing particles includes at least one of silica (SiO 2 ), titania (TiO 2 ), or alumina (Al 2 O 3 ).

3. The quantum dot glass cell of claim 1 , wherein the binder includes at least one of an ethylene-methacrylic acid (EMAA) copolymer resin or an ethylene-acrylic acid (EAA) copolymer resin.

4. The quantum dot glass cell of claim 1 , wherein the dispersion matrix includes a silicone resin.

5. The quantum dot glass cell of claim 1 , wherein the dispersion matrix further comprises a light-diffusing agent.

6. The quantum dot glass cell of claim 5 , wherein the light-diffusing agent comprises alumina (Al 2 O 3 ).

7. The quantum dot glass cell of claim 1 , wherein a diameter of the quantum dot powder ranges from about 1 μm to about 50 μm.

8. The quantum dot glass cell of claim 1 , wherein the glass sealing structure includes a glass container and a glass cover which are joined together.

9. The quantum dot glass cell of claim 8 , wherein the glass container comprises an opening in which the dispersion matrix is arranged, and a bonding portion in close contact with the glass cover.

10. The quantum dot glass cell of claim 9 , wherein the glass sealing structure includes a glass welding area at the bonding portion.

11. The quantum dot glass cell of claim 8 , further comprising:

a glass layer between the glass cover and the glass container.

12. The quantum dot glass cell of claim 11 , wherein the glass layer absorbs light having a wavelength of 550 nm to 600 nm.

13. A quantum dot glass cell comprising:

a glass container including an opening;

a dispersion matrix in the opening;

quantum dots, inorganic homogenizing particles, and a binder all mixed together to form a quantum dot powder, the quantum dot powder dispersed in the dispersion matrix; and

a glass cover on the glass container and the dispersion matrix.

14. The quantum dot glass cell of claim 13 , further comprising:

a glass welding area connecting the glass container to the glass cover.

15. The quantum dot glass cell of claim 13 , further comprising:

a glass layer between the glass container and the glass cover.

16. A light-emitting device package comprising:

a substrate;

a housing on the substrate, the housing comprising a cavity;

a light-emitting device on the substrate, the light-emitting device being in the cavity of the housing;

a light-emitting device encapsulation portion covering the light-emitting device; and

a quantum dot glass cell on the light-emitting device encapsulation portion,

wherein the quantum dot glass cell includes,

quantum dots, inorganic homogenizing particles, and a binder all mixed together to form a quantum dot powder,

a dispersion matrix in which the quantum dot powder is dispersed, and

a glass sealing structure surrounding the dispersion matrix.

17. The light-emitting device package of claim 16 , wherein the housing comprises at least one of aluminum (Al) or copper (Cu).

18. The light-emitting device package of claim 16 , further comprising:

a reflective portion surrounding side walls of the quantum dot glass cell.

19. The light-emitting device package of claim 16 , wherein the light-emitting device encapsulation portion comprises a phosphor.

20. The light-emitting device package of claim 16 , wherein the light-emitting device encapsulation portion comprises a light-diffusing agent.