1. A light emitting device comprising:
a first substrate and a second substrate;
a pixel portion provided with a plurality of light emitting elements between the first substrate and the second substrate; and
a sealing member for fixing the first substrate and the second substrate,
wherein the plurality of light emitting elements are surrounded by the first substrate, the second substrate and the sealing member,
wherein the sealing member includes at least a first portion and a second portion with a gap therebetween, each of the first portion and the second portion extending in a direction along an edge of the pixel portion, and
wherein the first portion is not contiguous with the second portion.
2. A light emitting device according to claim 1, wherein the sealing member is formed in a region between the edge of the first substrate and the pixel portion.
3. A light emitting device according to claim 1, wherein the sealing member includes a spacer.
4. A light emitting device according to claim 1, wherein the pixel portion is formed over the first substrate.
5. A light emitting device according to claim 1, further comprising a driver circuit formed in a region between the pixel portion and the sealing member.
6. A light emitting device according to claim 1, wherein the first substrate is a plastic substrate.
7. A light emitting device according to claim 1, further comprising a sealing material in contact with the sealing member.
8. A light emitting device comprising:
a first substrate and a second substrate;
a pixel portion provided with a plurality of light emitting elements between the first substrate and the second substrate; and
a sealing member for fixing the first substrate and the second substrate,
wherein the plurality of light emitting elements are surrounded by the first substrate, the second substrate and the sealing member,
wherein the sealing member includes at least a first portion, a second portion, and a third portion with a gap therebetween,
wherein the first portion and the second portion extend in a direction along an edge of the pixel portion,
wherein the third portion is arranged oblique to the edge of the first substrate pixel portion, and
wherein the first portion is not contiguous with the second portion.
9. A light emitting device according to claim 8, wherein the first portion is not contiguous with the third portion.
10. A light emitting device according to claim 8, wherein the sealing member is formed in a region between the edge of the first substrate and the pixel portion.
11. A light emitting device according to claim 8, wherein the sealing member includes a spacer.
12. A light emitting device according to claim 8, wherein the pixel portion is formed over the first substrate.
13. A light emitting device according to claim 8, further comprising a driver circuit formed in a region between the pixel portion and the sealing member.
14. A light emitting device according to claim 8, wherein the first substrate is a plastic substrate.
15. A light emitting device according to claim 8, further comprising a sealing material in contact with the sealing member.
16. A light emitting device comprising:
a first substrate and a second substrate;
a pixel portion provided with a plurality of light emitting elements between the first substrate and the second substrate; and
a sealing member for fixing the first substrate and the second substrate,
wherein the plurality of light emitting elements are surrounded by the first substrate, the second substrate and the sealing member,
wherein the sealing member includes at least a first portion and a second portion with a gap therebetween, each of the first portion and the second portion extending in a direction along an edge of the pixel portion,
wherein the first portion is not contiguous with the second portion, and
wherein at least one of the first substrate and the second substrate is a flexible substrate.
17. A light emitting device according to claim 16, wherein the sealing member is formed in a region between the edge of the first substrate and the pixel portion.
18. A light emitting device according to claim 16, wherein the sealing member includes a spacer.
19. A light emitting device according to claim 16, wherein the pixel portion is formed over the first substrate.
20. A light emitting device according to claim 16, further comprising a driver circuit formed in a region between the pixel portion and the sealing member.
21. A light emitting device according to claim 16, wherein the flexible substrate is plastic.
22. A light emitting device according to claim 16, further comprising a sealing material in contact with the sealing member.
23. A light emitting device comprising:
a first substrate and a second substrate;
a pixel portion provided with a plurality of light emitting elements between the first substrate and the second substrate; and
a sealing member for fixing the first substrate and the second substrate,
wherein the plurality of light emitting elements are surrounded by the first substrate, the second substrate and the sealing member,
wherein the sealing member includes at least a first portion, a second portion, and a third portion with a gap therebetween,
wherein the first portion and the second portion extend in a direction along an edge of the pixel portion,
wherein the third portion is arranged oblique to the edge of the pixel portion,
wherein the first portion is not contiguous with the second portion, and
wherein at least one of the first substrate and the second substrate is a flexible substrate.
24. A light emitting device according to claim 23, wherein the first portion is not contiguous with the third portion.
25. A light emitting device according to claim 23, wherein the sealing member is formed in a region between the edge of the first substrate and the pixel portion.
26. A light emitting device according to claim 23, wherein the sealing member includes a spacer.
27. A light emitting device according to claim 23, wherein the pixel portion is formed over the first substrate.
28. A light emitting device according to claim 23, further comprising a driver circuit formed in a region between the pixel portion and the sealing member.
29. A light emitting device according to claim 23, wherein the flexible substrate is plastic.
30. A light emitting device according to claim 23, further comprising a sealing material in contact with the sealing member.
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. Process for the liquid impervious sealing of smallest crevices, chinks, capillaries andor openings in walls of housings, where at least certain gas permeability has to be obtained, characterised in that the housing wall, at least in the area of the crevices, chinks, openings or capillaries, is provided with a hydrophobic coating.
2. Process according to claim 1 for the liquid impervious sealing of housing chambers, compartments, sections which are closed against the exterior and at which a certain gas exchange with the environment has to be guaranteed, characterised in that in the area of the chamber, the compartment or the section crevices, chinks, capillaries and the like which exist within the housing wall, are provided with a hydrophobic coating.
3. Process according to one of the claims 1 or 2, characterised in that the housing or casing wall or its surface in the area of the crevices, chinks, capillaries or openings, shall be coated with hydrophobic nano-particles.
4. Process according to one of the claims 1, 2 or 3, characterised in that the hydrophobic coating, by using hydrophobic nano-particles, is produced by a so called Sol-Gel process.
5. Process according to one of the claims 1 or 2, characterised in that the hydrophobic coating is achieved by coating of the housing wall with the aid of hydrated silanes or hydro-silicones or fluorine containing polycondensates.
6. Process according to one of the claims 1 or 2, characterised in that the coating is executed by using a low temperature plasma evaporation process, the coating of a compact polymer layer is achieved by depositing a fluorine containing polymer on the housing wall.
7. Use of the process according to one of the claims 1 to 6 for the liquid impervious sealing of crevices, chinks or capillary openings in housing walls of electrical or electronic smallest devices, such as smallest devices in medicine, such as in particular hearing aid devices.
8. Use of the process according to one of the claims 1 to 6 for the liquid impervious sealing of a battery compartment in a hearing aid device.
9. Housing of electrical or electronic devices, containing crevices, capillary openings or chinks which have to be sealed against penetration of humidity but not against penetration of gas, characterised in that the housing wall in the area of the crevices, capillaries or chinks has a hydrophobic coating.
10. Housing according to claim 9, characterised in that the hydrophobic coating is such that the minimal contact angle to water at room temperature is at least 100\xb0 C.
11. Housing according to one of the claims 9 or 10, characterised in that the hydrophobic coating has a layer thickness which is at least 5 micrometers.
12. Battery compartment of a hearing aid device, characterised in that at the area of the housing wall of the hearing aid device near to or at the battery compartment is provided with a hydrophobic coating.