Functional material and preparation method thereof, display structure forming material, color film substrate, display device

Patent metadata

Field	Value
Publication number	US-9598308-B2
Application number	US-201414758437-A
Country	US
Kind code	B2
Filing date	Oct 15, 2014
Priority date	Nov 8, 2013
Publication date	Mar 21, 2017
Grant date	Mar 21, 2017

Abstract

An embodiment of the present invention provides an environment-friendly functional material and a preparation method thereof, a display structure forming material, a color film substrate and a display device. The functional material comprises inorganic mixed powder, the inorganic mixed powder comprising a main material and an auxiliary material, the main materials comprising boron oxide, sodium oxide, lithium oxide, and zirconium oxide, the auxiliary materials comprising any one or more of aluminum oxide, zinc oxide, titanium dioxide, silicon dioxide, calcium oxide, silver complex, silver phosphate, silver nitrate, tourmaline, silver thiosulfate, carbon nanotube, aluminum sulfate, manganese, oxides of manganese, iron, oxides of iron, cobalt, oxides of cobalt, nickel, oxides of nickel, chromium, oxides of chromium, copper, oxides of copper, magnesium oxide, boron carbide, silicon carbide, titanium carbide, zirconium carbide, tantalum carbide, molybdenum carbide, boron nitride, chromium nitride, titanium nitride, zirconium nitride, aluminum nitride, chromium boride, trichromium tetraborate, titanium boride, zirconium boride, tungsten disilicide and titanium disilicide.

First claim

The invention claimed is:

1. A functional material comprising inorganic mixed powder, the inorganic mixed powder comprises a main material and an auxiliary material,
the main material comprises boron oxide, sodium oxide, lithium oxide, and zirconium oxide,
the auxiliary material comprises any one or more of aluminum oxide, zinc oxide, titanium dioxide, silicon dioxide, calcium oxide, silver complex, silver phosphate, silver nitrate, tourmaline, silver thiosulfate, carbon nanotube, aluminum sulfate, manganese, oxides of manganese, iron, oxides of iron, cobalt, oxides of cobalt, nickel, oxides of nickel, chromium, oxides of chromium, copper, oxides of copper, magnesium oxide, boron carbide, silicon carbide, titanium carbide, zirconium carbide, tantalum carbide, molybdenum carbide, boron nitride, chromium nitride, titanium nitride, zirconium nitride, aluminum nitride, chromium boride, trichromium tetraborate, titanium boride, zirconium boride, tungsten disilicide and titanium disilicide,
wherein the inorganic mixed powder has a surface modified layer formed by a light curable alkaline soluble resin having a molecular weight less than or equal to 5000 and greater than or equal to 2500.

2. The functional material according to claim 1 , wherein, the inorganic mixed powder further comprises an addition material, the addition material comprises:
any one or more of graphite, mica, indigo stone, calcite, crystal fluorite, maifanite, and mullite.

3. The functional material according to claim 2 , wherein,
the addition material is in an amount of 1-5% of the total weight amount of the main material and auxiliary material.

4. The functional material according to claim 1 , wherein,
the inorganic mixed powder has a particle diameter from 20 to 300 nm.

5. The functional material according to claim 1 , wherein,
the surface modified layer is formed by copolymerization of a polymerizable vinylated unsaturated monomer and an organic anhydride.

6. The functional material according to claim 5 , wherein,
the polymerizable vinylated unsaturated monomer is any one of styrene, vinyl toluene, p-chloro styrene, methoxy styrene, α-methyl styrene, isoprene; and
the organic anhydride is any one of maleic anhydride, cis-butenedioic anhydride, fumaric anhydride, itaconic anhydride, citraconic anhydride, pyromellitic dianhydride, biphenyltetracarboxylic dianhydride, benzophenonetetracarboxylic dianhydride, oxygen biphenyltetracarboxylic dianhydride, and isopropyl diphthalic anhydride.

7. The functional material according to claim 5 , wherein,
the inorganic mixed powder, the organic anhydride, and the polymerizable vinylated unsaturated monomer are in a weight ratio of 1:(0.8-1.2):(0.85-1.15).

8. The functional material according to claim 5 , wherein, the inorganic mixed powder comprises, based on parts by weight:
boron oxide: 1.5-10 parts;
sodium oxide: 0.5-5 parts;
lithium oxide: 0.2-20 parts;
zirconium oxide: 10-50 parts;
aluminum oxide: 5-40 parts;
titanium dioxide: 0.5-8 parts.

9. The functional material according to claim 8 , wherein, the inorganic mixed powder comprises, based on parts by weight:
boron oxide: 3-8 parts;
sodium oxide: 1.5-4.5 parts;
lithium oxide: 1.5-18 parts;
zirconium oxide: 15-45 parts;
aluminum oxide: 8-32 parts;
titanium dioxide: 1.5-7 parts.

10. A display structure forming material, comprising: an alkaline soluble resin, an unsaturated monomer, an initiator, a solvent, and the functional material according to claim 1 .

11. The display structure forming material according to claim 10 , wherein, the display structure forming material is a photoresist, the photoresist further comprising a colorant.

12. The display structure forming material according to claim 11 , wherein, the photoresist comprises, based on parts by weight:
a functional material: 0.2-1.2 parts;
a colorant: 2-15 parts;
an alkaline soluble resin: 2-20 parts;
an unsaturated monomer: 2-20 parts;
an initiator: 0.01-1 parts;
a solvent: 30-90 parts;
an additive: 0.005-0.02 parts.

13. The display structure forming material according to claim 12 , wherein,
the photoresist is any one of a red photoresist, a blue photoresist, a green photoresist, a yellow photoresist, and a black photoresist.

14. The display structure forming material according to claim 10 , wherein, the display structure forming material is a padding material.

15. The display structure forming material according to claim 14 , wherein, the padding material comprises, based on parts by weight:
a functional material: 0.2-1.2 parts;
an alkaline soluble resin: 5-20 parts;
an unsaturated monomer: 5-20 parts;
an initiator: 0.01-1 parts;
a solvent: 30-90 parts;
an additive: 0.005-0.02 parts.

16. The display structure forming material according to claim 10 , wherein,
the initiator is a photo-initiator or a thermal initiator.

17. A color film substrate, comprising multiple display structures, wherein, at least one of the display structures are prepared by the display structure forming material of claim 10 .

18. A display device, comprising the color film substrate of claim 17 .

19. The display device according to claim 18 , wherein, the display device is any one of a computer display, a television, a mobile phone, a tablet computer, a notebook computer, a digital camera, an electronic paper, and a navigator.

20. A display structure forming material, wherein, the display structure forming material is a protective layer material, the protective layer material comprising, based on parts by weight:
a functional material according to claim 1 : 0.2-1.2 parts;
an acrylic resin: 5-25 parts;
an coupling agent: 1-15 parts;
an epoxy resin: 1-20 parts;
a solvent: 70-80 parts.

21. A color film substrate, comprising multiple display structures, wherein, at least one of the display structures are prepared by the display structure forming material of claim 20 .

22. A display device, comprising the color film substrate of claim 21 .

23. The display device according to claim 22 , wherein, the display device is any one of a computer display, a television, a mobile phone, a tablet computer, a notebook computer, a digital camera, an electronic paper, and a navigator.

24. A method for preparing the functional material according to claim 1 , comprising:
grinding and mixing the main material, auxiliary material and optional addition material with the use of a dispersant to obtain the inorganic mixed powder.

25. The method according to claim 24 , wherein, the grinding and mixing comprises:
grinding the main material, the auxiliary material and optional addition material, respectively, followed by mixing them together; or
mixing the main material, the auxiliary material and optional addition material together followed by grinding them.

26. The method according to claim 24 , wherein, the method further comprises:
after obtaining the inorganic mixed powder, forming the surface modified layer on the inorganic mixed powder.

27. The method according to claim 26 , wherein, the surface modified layer is formed by copolymerization of a polvmerizable vinylated unsaturated monomer and an organic anhydride, and forming the surface modified layer on the inorganic mixed powder comprises:
step S 1 : mixing the inorganic mixed powder, the organic anhydride, the polymerizable vinylated unsaturated monomer with a solvent and an

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Optoelectronics Tech Co Ltd

Inventors

• Yang Jiuxia
• Bai Feng
• Liu Jiantao

Classifications

• C03C8/24

  Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders · CPC title

• G03F7/031

  Organic compounds not covered by group G03F7/029 · CPC title

• C08F290/067

  Polyurethanes; Polyureas · CPC title

• G03F7/032

  with binders · CPC title

• G03F7/0007

  Filters, e.g. additive colour filters; Components for display devices · CPC title