1. A back light assembly comprising:
a light source to generate light;
a power supply line that supplies power to the light source;
a receiving container that receives the light source, the receiving container comprising a bottom face;
a fixing member that attaches the power supply line to the receiving container; and
a connecting member disposed on the receiving container to couple the fixing member to a rear face of the receiving container.
2. The back light assembly of claim 1, wherein the fixing member comprises at least one fixing protrusion that protrudes from at least one side face of the fixing member, the protrusion being coupled to the connecting member to fix the fixing member to the receiving container.
3. The back light assembly of claim 2, wherein the connecting member comprises a bracket structure to receive the fixing protrusion, the bracket structure being formed by cutting a portion of the bottom face of the receiving container corresponding to the fixing protrusion.
4. The back light assembly of claim 3, wherein the connecting member comprises a first fixing portion and a second fixing portion extended from the first fixing portion, the first fixing portion being substantially perpendicular to the rear face of the receiving container, the second fixing portion substantially facing the fixing protrusion.
5. The back light assembly of claim 4, wherein an angle between the second fixing portion of the connecting member and the rear face of the receiving container is substantially smaller than a right angle.
6. The back light assembly of claim 5, wherein the angle is in the range of about 45\xb0 to about 85\xb0.
7. The back light assembly of claim 4, wherein the second fixing portion comprises a protruding portion that protrudes toward the fixing protrusion, and the fixing protrusion has an opening that corresponds to the protruding portion of the second fixing portion, and further wherein the coupling of the fixing member to a rear face of the receiving container is accomplished by inserting the protruding portion into the opening.
8. The back light assembly of claim 4, wherein the second fixing portion has an opening and the fixing protrusion comprises a protruding portion that corresponds to the opening of the second fixing portion, and further wherein the coupling of the fixing member to a rear face of the receiving container is accomplished by inserting the protruding portion into the opening.
9. The back light assembly of claim 4, wherein the fixing protrusion comprises a rib to prevent the second fixing portion from being separated from the fixing protrusion.
10. The back light assembly of claim 4, wherein the rear face of the receiving container comprises an opening, and an area of the fixing protrusion is substantially larger than that of the opening on the rear face so as to cover the opening of the rear face.
11. The back light assembly of claim 3, wherein the fixing member comprises two fixing protrusions, one fixing protrusion being protruded from a first side face of the fixing member, the other fixing protrusion being protruded from a second side face of the fixing member, and wherein the connecting member comprises two bracket structures that receive the fixing protrusions, respectively.
12. The back light assembly of claim 1, wherein the fixing member has an engaging recess and the bottom face has a first hole so that the fixing member and the rear face of the receiving container are attached to each other using a screw inserted into the engaging recess through the first hole.
13. The back light assembly of claim 12, wherein the light source comprises a cover having a second hole corresponding to the first hole so that the cover is coupled to the bottom face using the screw passing through the second hole.
14. The back light assembly of claim 1, wherein the fixing member comprises a first face and a second face, the first face making contact with the rear face of the receiving container, the second face being substantially opposed to the first face, and wherein the second face has at least one fixing groove to attach the power supply line to the receiving container.
15. The back light assembly of claim 14, wherein the fixing member comprises a separation preventing protrusion to prevent the power supply line from being separated from the fixing groove, and wherein the separation preventing protrusion protrudes from an inside of the fixing groove.
16. The back light assembly of claim 1, wherein the connecting member comprises at least one protrusion structure to attach the fixing member to the receiving container, and wherein a protrusion structure protrudes from the rear face of the receiving container.
17. The back light assembly of claim 16, wherein the connecting member comprises a pair of protrusion structures that protrude from the rear face of the receiving container, the protrusion structures making contact with both of the side faces of the fixing member.
18. The back light assembly of claim 16, wherein the fixing member has a fixing protrusion that protrudes from the side face of the fixing member, the fixing protrusion substantially facing the protrusion structure, and wherein the fixing protrusion has an opening that corresponds to the protrusion structure.
19. The back light assembly of claim 1, wherein the connecting member comprises a first fixing portion and a second fixing portion, the first fixing portion being formed by cutting a portion of the rear face of the receiving container, the second fixing portion being formed by bending the cut portion of the rear face of the receiving container so as to grip the fixing member.
20. The back light assembly of claim 19, wherein the connecting member comprises two bracket structures disposed on corresponding side faces of the fixing member.
21. The back light assembly of claim 19, wherein the connecting member comprises two protrusion structures disposed on corresponding side faces of the fixing member.
22. The back light assembly of claim 1, wherein the fixing member comprises two fixing protrusions that protrude from corresponding sidewalls of the fixing member, and wherein the connecting member comprises a bracket structure and a protrusion structure, and further wherein one fixing protrusion is coupled to the bracket structure formed by cutting a portion of the rear face of the receiving container, and the other fixing protrusion has an opening that is coupled to the protrusion structure.
23. The back light assembly of claim 1, wherein the rear face of the receiving container comprises a coupling protrusion, and the fixing member has an opening corresponding to the coupling protrusion of the rear face of the receiving container.
24. The back light assembly of claim 1, wherein the rear face of the receiving container has an opening, and the fixing member comprises a coupling protrusion corresponding to the opening in the rear face of the receiving container.
25. The back light assembly of claim 1, wherein the receiving container comprises an inverter module including an inverter to apply power to the power supply line.
26. The back light assembly of claim 25, wherein the rear face of the receiving container comprises at least one boss to separate the inverter module from the rear face of the receiving container.
27. The back light assembly of claim 26, wherein the boss comprises a protrusion to fix the inverter module to the bottom face of the receiving container, and wherein the inverter module has an opening corresponding to the protrusion of the boss.
28. The back light assembly of claim 25, wherein the inverter module further comprises a shield case to absorb an electromagnetic wave generated from the inverter module.
29. The back light assembly of claim 28, wherein the shield case comprises a bottom face and a sidewall, the bottom face of the shield case substantially facing the bottom face of the receiving container, the sidewall of the shield case being disposed on a peripheral portion of the bottom face of the shield case and being substantially perpendicular to the bottom face of the receiving container, and wherein an end portion of the sidewall of the shield case is separated from the bottom face of the receiving container, the end portion of the sidewall of the shield case substantially facing the bottom face of the receiving container.
30. A display device comprising:
a back light assembly comprising a light source to generate a light;
a power supply line that supplies power to the light source;
a receiving container having a bottom face to receive the light source;
a fixing member that attaches the power supply line to the receiving container;
a connecting member disposed on the receiving container to couple the fixing member to a rear face of the receiving container; and
a display panel received in the receiving container to display images using the light.
31. The display device of claim 30, wherein the fixing member comprises at least one fixing protrusion protruded from at least one side face of the fixing member, wherein the fixing protrusion contacts the rear face of the receiving container.
32. The display device of claim 31, wherein the connecting member comprises a bracket structure to receive the fixing protrusion, the bracket structure being formed by cutting a portion of the bottom face of the receiving container corresponding to the fixing protrusion.
33. The display device of claim 32, wherein the connecting member comprises a first fixing portion and a second fixing portion extended from the first fixing portion, the first fixing portion being substantially perpendicular to the rear face of the receiving container, the second fixing portion substantially facing the fixing protrusion.
34. The display device of claim 33, wherein an angle between the second fixing portion and the rear face of the receiving container is substantially smaller than a right angle.
35. The display device of claim 34, wherein the angle is in the range of about 45\xb0 to about 85\xb0.
36. The display device of claim 33, wherein the second fixing portion comprises a protruding portion protruded toward the fixing protrusion and the fixing protrusion has an opening corresponding to the protruding portion of the second fixing portion.
37. The display device of claim 33, wherein the second fixing portion has an opening and the fixing protrusion comprises a protruding portion corresponding to the opening of the second fixing portion.
38. The display device of claim 33, wherein the fixing protrusion comprises a rib to prevent the second fixing portion from being separated from the fixing protrusion.
39. The display device of claim 33, wherein the rear face of the receiving container has an opening, and an area of the fixing protrusion is substantially larger than that of the opening to cover the opening of the rear face of the receiving container.
40. The display device of claim 32, wherein the fixing member comprises two fixing protrusions, one fixing protrusion that protrudes from a first side face of the fixing member, the other fixing protrusion protruding from a second side face of the fixing member, and wherein the connecting member comprises two bracket structures to receive the fixing protrusions.
41. The display device of claim 30, wherein the fixing member comprises a first hole and the rear face of the receiving container has a second hole corresponding to the first hole so that the fixing member and the rear face of the receiving container are coupled to each other using a screw passing through the first and the second holes.
42. The display device of claim 41, the light source comprises a cover having a third hole corresponding to the first through hole so that the cover is coupled to the bottom face using the screw passing through the third hole.
43. The display device of claim 30, wherein the connecting member comprises at least one protrusion structure to fix the fixing member to the receiving container, the protrusion structure being protruded from the bottom face of the receiving container.
44. The display device of claim 43, wherein the connecting member comprises a pair of the protrusion structures disposed on both side faces of the fixing member.
45. The display device of claim 43, wherein the fixing member comprises a fixing protrusion protruded from the side face of the fixing member, and wherein the fixing protrusion has an opening corresponding to the protrusion structure.
46. The display device of claim 30, wherein the fixing member comprises a synthetic resin.
47. The display device of claim 30, wherein the synthetic resin is a thermoplastic resin or a thermosetting resin.
48. The display device of claim 47, wherein the thermoplastic resin is a polyolefin, a polyamide, a polycarbonate, a polyester, a polyimide, a polyacrylate, a polymethacrylate, a polyurethane or a combination comprising at least one of the foregoing thermoplastic resins.
49. The display device of claim 47, wherein the thermosetting resin is a polysiloxane, an epoxy, a phenolic resin, a polyurethane or a combination comprising at least one of the foregoing thermosetting resins.
50. The display device of claim 46, wherein the synthetic resin further comprises glass fibers, carbon fibers, nanotubes, titanium dioxide, mica, clay or a combination comprising at least one of the foregoing fillers.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Organic-inorganic hybrid nanofibres comprising two phases:
a first mineral phase comprising a structured mesoporous network with open porosity; and
a second organic phase comprising an organic polymer, wherein said organic phase is not present inside the pores of the structured mesoporous network.
2. Nanofibres according to claim 1, wherein the structured mesoporous network with open porosity is aligned in a determined, particular direction, which is preferably the direction of the length of the nanofibres.
3. Nanofibres according to claim 1, wherein the mineral phase and the organic phase are continuous and interwoven.
4. Nanofibres according to claim 1, wherein the nanofibres comprise a core consisting of the mineral phase surrounded by a sheath consisting of the organic phase.
5. Nanofibres according to claim 1, wherein the mineral phase is discontinuous, and dispersed in the organic phase, which is continuous.
6. Nanofibres according to any one of the preceding claims, wherein the mineral phase has organic chemical functional groups which are preferably non-hydrolysable, preferably chosen from among the conductive andor hydrophilic functional groups.
7. Nanofibres according to any one of the preceding claims, wherein the said organic chemical functional groups are located at the surface of the pores, and are bonded covalently to the walls of the mesoporous network.
8. Nanofibres according to any one of the preceding claims, wherein the organic phase has organic chemical functional groups which are preferably non-hydrolysable, preferably chosen from among the conductive andor hydrophilic functional groups.
9. Nanofibres according to claim 1, further comprising a third phase, inside the pores, consisting of at least one structuring, texturizing agent, optionally having organic chemical functional groups, which are preferably non-hydrolysable, preferably chosen from among the conductive andor hydrophilic functional groups.
10. Nanofibres according to any one of claims 6 to 9, wherein said conductive functional groups are chosen from among the cation exchange groups andor the anion exchange groups.
11. Nanofibres according to any one of the preceding claims, further comprising, preferably on at least one of their surfaces, and even more preferably on at least one of their external surfaces, catalytic nanoparticles, preferably metallic nanoparticles andor metal oxide(s) nanoparticles.
12. Nanofibres according to any of the preceding claims, wherein the mineral phase consists of at least one oxide chosen from among the metal oxides, the oxides of metalloids, and the mixed oxides thereof, such as the oxides of silicon, titanium, zirconium, hafnium, aluminium, tantalum, tin, zinc, magnesium, rare earths or lanthanides such as europium, cerium, yttrium, lanthanum and gadolinium, and the mixed oxides thereof.
13. Nanofibres according to any one of the preceding claims, wherein the mesoporous network has an organised structure with a repeating unit.
14. Nanofibres according to claim 13, wherein the mesoporous network has a cubic, hexagonal, lamellar, vermicular, vesicular or bicontinuous structure.
15. Nanofibres according to any one of the preceding claims, wherein the size of the pores of the mesoporous network is 1 to 100 nm, and preferably 2 to 50 nm.
16. Nanofibres according to any one of the preceding claims, wherein the organic polymer is a thermostable polymer preferably chosen from among the polyether ketones (PEK, PEEK, PEEKK); the polysulfones (PSU); the polyethersulfones; the polyphenyl ether sulfones (PPSU); the styreneethylene (SES), styrenebutadiene (SBS) and styreneisoprene (SIS) copolymers; the polyphenylenes, such as the poly(phenylene sulfides) and the poly(phenylene oxides); the polyimidazoles, such as the polybenzimidazoles (PBI); the polyimides (PI); the polyamideimides (PAI); the polyanilines; the polypyrroles; the polysulfonamides; the polypyrazoles, such as the polybenzopyrazoles; the polyoxazoles, such as the polybenzoxazoles; the polyethers, such as the poly(tetramethylene oxides) and the poly(hexamethylene oxides); the poly((meth)acrylic acids); the polyacrylamides; the polyvinyls, such as the poly(vinyl esters), for example the polyvinyl acetates, the polyvinyl formates, the polyvinyl propionates, the polyvinyl laurates, the polyvinyl palmitates, the polyvinyl stearates, the polyvinyl trimethylacetates, the polyvinyl chloroacetates, the polyvinyl trichloroacetates, the polyvinyl trifluoroacetates, the polyvinyl benzoates, the polyvinyl pivalates, the polyvinyl alcohols; the acetal resins, such as the polyvinyl butyrals; the polyvinyl pyridines; the polyvinyl pyrrolidones; the polyolefines, such as the polyethylenes, the polypropylenes, the polyisobutylenes; the poly(styrene oxides); the fluorinated resins and the polyperfluorocarbons, such as the polytetrafluoroethylenes (PTFE); the poly(vinylidene fluorides) (PVDF); the polychlorotrifluoroethylenes (PCTFE); the polyhexafluoropropenes (HFP); the perfluoroalkoxides (PFA); the polyphosphazenes; the silicone elastomers; the block copolymers including at least one block consisting of a polymer chosen from among the above polymers.
17. Nanofibres according to claim 9, wherein the texturizing, structuring agent is chosen from among the surfactants, such as the salts of alkyltrimethyl ammonium, alkylphosphates and alkylsulfonates; acids such as dibenzoyl tartaric acid, maleic acid, the long-chain fatty acids; bases such as urea and the long-chain amines; phospholipids; doubly, twice, hydrophilic copolymers the amphiphilia of which is generated \u201cin situ\u201d by interaction with a substrate; amphiphilic multi-block copolymers including at least one hydrophobic block associated with at least one hydrophilic block.
18. A membrane comprising the nanofibres according to any one of the preceding claims, optionally deposited on a support.
19. An electrode comprising the nanofibres according to any one of claims 1 to 17.
20. A fuel cell comprising at least one membrane according to claim 18 andor one electrode according to claim 19.
21. A method of preparing organic-inorganic hybrid nanofibres, according to any one of claims 1 to 17, wherein the following steps are carried out:
a) at least one solution is prepared, in a solvent, of a mineral precursor A andor of an organometallic precursor C intended to constitute the mineral phase;
b) at least one structuring, texturizing agent D of the mesoporous mineral phase is added to the solution prepared in step a), whereby a solution S1 is obtained; and, optionally, said solution S1 is hydrolysed and left to age;
c) a solution S2 of an organic polymer E is prepared in a solvent;
d) simultaneous, separate electrically assisted extrusion of solution S1 and of solution S2 is carried out with a bicapillary electrically assisted extrusion device;
or alternatively the electrically assisted extrusion of a mixture, optionally aged, of solution S1 and solution S2 is carried out with a monocapillary extrusion device; wherein said devices comprise at least one syringe containing the solution(s) connected to a needle to which a voltage is applied, and a manifold or support, whereby a deposit of organic-inorganic hybrid nanofibres is obtained on the manifold or support;
e1) heat treatment is carried out to consolidate the deposited nanofibres; or, alternatively,
e2) heat treatment is carried out to eliminate the organic polymer E, the structuring, texturizing agent D, and optionally the support, by calcination;
f) optionally, on conclusion of step e1, the structuring, the texturizing agent D andor the organic polymer E isare totally or partially eliminated;
g) optionally, on conclusion of step e1) step e2) or step f) the support is separated or eliminated.
22. A method according to claim 21, wherein precursor A is chosen from among the metal salts, the salts of metalloids, the metal alkoxides, and the alkoxides of metalloids.
23. A method according to either of claim 21 or 22, wherein the polymer andor structuring, texturizing agent D carries (carry) organic chemical functional groups such as conductive andor hydrophilic functional groups andor of precursor functional groups of these organic chemical functional groups, such as conductive andor hydrophilic groups.
24. A method according to any one of claims 21 to 23, wherein a chelating agent B such as acetylacetone or acetic acid is also added to solution Si.
25. A method according to any one of claims 21 to 24, wherein the organomineral precursor compound C is a compound carrying, on the one hand, organic chemical functional groups such as conductive andor hydrophilic functional groups, or precursor functional groups of these organic chemical functional groups and, on the other hand, functional groups which may become bonded to the surface of the pores of the mesoporous network.
26. A method according to any one of claims 21 to 25, wherein solution S1, solution S2, or a mixture of solutions S1 and S2, have a viscosity of 40 to 7,000 cps at 20\xb0 C.
27. A method according to any one of claims 21 to 26, wherein the concentration in solution S1 of mineral precursor A andor of organomineral precursor C, and the concentration in solution S2 of polymer E, expressed as a dry extract, are 15 to 60% by mass, and preferably 15 to 30% by mass.
28. A method according to any one of claims 21 to 27, wherein the solvents of solutions S1 and S2 are low-volatility solvents, the vapour tension of which is lower than that of ethanol.
29. A method according to any one of claims 21 to 28, wherein solution S1 is left to age at a temperature of 0\xb0 C. to 300\xb0 C., and preferably 20\xb0 C. to 200\xb0 C.; at a pressure of 100 Pa to 5.106 Pa, and preferably 1,000 Pa to 2.105 Pa; over a period of several minutes to several days, and preferably one hour to one week, and even more preferably 12 to 18 hours.
30. A method according to any one of claims 21 to 29, wherein, prior to the electrically assisted extrusion, solution S1 andor solution S2 is (are) preheated to a temperature of 40\xb0 C. to 80\xb0 C., and preferably 60\xb0 C. to 70\xb0 C.
31. A method according to any one of claims 21 to 30, wherein the electrically assisted extrusion is controlled by acting on one or more, and preferably on all, of the following parameters:
the deposition temperature;
the relative humidity of the atmosphere in which the deposition is carried out;
the voltage applied to the needle;
the flow speed of the solutions or of the mixture in the syringe;
the distance between the needle and the manifold or support;
the atmosphere in which the deposition is carried out.
32. A method according to claim 31, wherein one or more, and preferably all, of the parameters is (are) chosen in accordance with the following:
Deposition temperature: 20\xb0 C. to 200\xb0 C., preferably 25\xb0 C. to 100\xb0 C., and even more preferably 30\xb0 C. to 70\xb0 C.;
Relative humidity of the atmosphere in which the deposition is carried out: 0 to 90%, preferably 5 to 90%, and even more preferably 5 to 60%;
Voltage applied to the needle; 2 to 25 kV, preferably 5 to 20 kV, and even more preferably 8 to 15 kV;
Flow speed of the solutions or of the mixture in the syringe: 0.1 to 20 mLh, and preferably 0.1 to 10 mLh;
Distance between the needle and the manifold or support: 2 to 25 cm, and preferably 10 to 18 cm;
Atmosphere wherein the deposition is carried out: Air, Nitrogen or Argon;
33. A method according to any one of claims 21 to 32, wherein solution S1 andor solution S2 advantageously comprise(s) catalytic nanoparticles, preferably metallic nanoparticles andor nanoparticles of metal oxides.
34. A method according to any one of claims 21 to 33, wherein a suspension of catalytic nanoparticles, preferably nanoparticles of metals andor of metal oxides, is spray-coated in the jet(s) coming out of the needle of the electrically assisted extrusion device.
35. A method according to any one of claims 21 to 34, wherein the method also includes a final treatment step to release or generate organic chemical functional groups such as conductive andor hydrophilic functional groups on the surface of the pores of the nanofibres.