ORGANIC LIGHT EMITTING DIODE DISPLAY APPARATUS

• US 20150318506A1
• Filed: 05/28/2013
• Published: 11/05/2015
• Est. Priority Date: 04/23/2013
• Status: Abandoned Application

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: LI, Yue, ZHOU, Li
• Application Number:
  US14/345,721
• Publication Number:
  US 20150318506A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02B 5/20 Filters polarising elements G02B5/30
• CPC Class Codes: G02B 5/201 in the form of arrays
• CPC Class Codes: H10K 2102/00 Constructional details relating to the organic devices covered by this subclass
• CPC Class Codes: H10K 2102/331 Nanoparticles used in non-emissive layers, e.g. in packaging layer
• CPC Class Codes: H10K 50/115 comprising active inorganic nanostructures, e.g. luminescent quantum dots
• CPC Class Codes: H10K 59/30 Devices specially adapted for multicolour light emission
• CPC Class Codes: H10K 59/35 comprising red-green-blue [RGB] subpixels
• CPC Class Codes: H10K 59/38 comprising colour filters or colour changing media [CCM]

Abstract

An organic light emitting diode display apparatus includes a light-emitting module and a color filter layer that includes a plurality of sub-pixels, wherein at least one of the sub-pixels contains a quantum dot material; the light-emitting module includes a plurality of light-emitting units corresponding to the plurality of sub-pixels on the color filter layer.

Claims

1. An Organic Light Emitting Diode display apparatus, comprising a light-emitting module and a color filter layer, wherein

the color filter layer includes a plurality of sub-pixels, at least one of the sub-pixels contains a quantum dot material;

the light-emitting module includes a plurality of light-emitting units corresponding to the plurality of sub-pixels on the color filter layer.

2. The display apparatus claimed as claim 1, wherein the sub-pixels have three colors of red, green and blue correspondingly;

a sub-pixel corresponding to red on the color filter layer contains a red-emitting quantum dot, a sub-pixel corresponding to green on the color filter layer contains a green-emitting quantum dot, and a sub-pixel corresponding to blue on the color filter layer contains a blue-emitting quantum dot;

light-emitting units in the light-emitting module emit light that excites the red-emitting quantum dot, the green-emitting quantum dot and the blue-emitting quantum dot.

3. The display apparatus claimed as claim 1, wherein the sub-pixels have three colors of red, green and blue correspondingly;

the light-emitting units in the light-emitting module are light-emitting units for emitting blue light;

a sub-pixel corresponding to red on the color filter layer contains a red-emitting quantum dot, a sub-pixel corresponding to green on the color filter layer contains a green-emitting quantum dot, and a sub-pixel corresponding to blue on the color filter layer contains a transparent material.

4. The display apparatus claimed as claim 3, wherein the light-emitting units for emitting blue light on the light-emitting module are organic light emitting diodes for emitting blue light.

5. The display apparatus claimed as claim 1, wherein the quantum dot includes:

a nucleus;

a shell formed outside the nucleus, and organic ligands formed on the outside of the shell.

6. The display apparatus claimed as claim 5, wherein the nucleus of the quantum dot is formed by mixing one or more of materials selected from the group consisting of ZnS, ZnO, GaN, ZnSe, CdS, ZnTe, GaSe, CdSe, CdTe, GaAs, InP, GaSb, InAs, Te, PbS, InSb, PbTe and PbSe;

the shell of the quantum dot is formed from any one of SiO, TiO, ZnO, SiO2 and MgO;

the organic ligands include S, P, COOH and NH4 groups.

7. The display apparatus claimed as claim 2, wherein the quantum dot includes:

a nucleus;

a shell formed outside the nucleus, and organic ligands formed on the outside of the shell.

8. The display apparatus claimed as claim 7, wherein the nucleus of the quantum dot is formed by mixing one or more of materials selected from the group consisting of ZnS, ZnO, GaN, ZnSe, CdS, ZnTe, GaSe, CdSe, CdTe, GaAs, InP, GaSb, InAs, Te, PbS, InSb, PbTe and PbSe;

the shell of the quantum dot is formed from any one of SiO, TiO, ZnO, SiO2 and MgO;

the organic ligands include S, P, COOH and NH4 groups.

9. The display apparatus claimed as claim 3, wherein the quantum dot includes:

a nucleus;

a shell formed outside the nucleus, and organic ligands formed on the outside of the shell.

10. The display apparatus claimed as claim 9, wherein the nucleus of the quantum dot is formed by mixing one or more of materials selected from the group consisting of ZnS, ZnO, GaN, ZnSe, CdS, ZnTe, GaSe, CdSe, CdTe, GaAs, InP, GaSb, InAs, Te, PbS, InSb, PbTe and PbSe;

the shell of the quantum dot is formed from any one of SiO, TiO, ZnO, SiO2 and MgO;

the organic ligands include S, P, COOH and NH4 groups.

11. The display apparatus claimed as claim 4, wherein the quantum dot includes:

a nucleus;

a shell formed outside the nucleus, and organic ligands formed on the outside of the shell.

12. The display apparatus claimed as claim 11, wherein the nucleus of the quantum dot is formed by mixing one or more of materials selected from the group consisting of ZnS, ZnO, GaN, ZnSe, CdS, ZnTe, GaSe, CdSe, CdTe, GaAs, InP, GaSb, InAs, Te, PbS, InSb, PbTe and PbSe;

the shell of the quantum dot is formed from any one of SiO, TiO, ZnO, SiO2 and MgO;

the organic ligands include S, P, COOH and NH4 groups.