1. A light emitting device comprising:
a light emitting element including an organic compound layer containing light emitting material between a cathode layer and an anode layer over an organic resin substrate; and
a sealing plate made of an organic resin over the light emitting element,
wherein an upper surface, a lower surface and a side surface of the light emitting element is surrounded with inorganic insulation layers, and
wherein the cathode layer, the anode layer, and the layer containing light emitting material is in contact with the inorganic insulation layers.
2. The light emitting device according to claim 1, wherein the organic resin substrate comprises aramid.
3. The light emitting device according to claim 1, wherein the sealing plate has 30 to 120 \u03bcm thickness.
4. The light emitting device according to claim 1, wherein the inorganic insulation layers comprise a material selected from the group consisting of silicon nitride and aluminum nitride.
5. The light emitting device according to claim 1, wherein the light emitting device is incorporated in a mobile telephone.
6. A light emitting device comprising:
a transistor comprising a source region and a drain region over an organic resin substrate;
a light emitting element including an organic compound layer containing light emitting material between a cathode layer and an anode layer over the organic resin substrate; and
a sealing plate made of an organic resin over the light emitting element,
wherein the anode layer is electrically connected to one of the source region and the drain region,
wherein an upper surface, a lower surface and a side surface of the light emitting element is surrounded with inorganic insulation layers, and
wherein the cathode layer, the anode layer, and the layer containing light emitting material is in contact with the inorganic insulation layers.
7. The light emitting device according to claim 6, wherein the organic resin substrate comprises aramid.
8. The light emitting device according to claim 6, wherein the sealing plate has 30 to 120 \u03bcm thickness.
9. The light emitting device according to claim 6, wherein the inorganic insulation layers comprise a material selected from the group consisting of silicon nitride and aluminum nitride.
10. The light emitting device according to claim 6, wherein the light emitting device is incorporated in a mobile telephone.
11. A light emitting device comprising:
a pixel section having a light emitting element including an organic compound layer containing light emitting material between a cathode layer and an anode layer over an organic resin substrate;
a driving circuit section having a seal pattern;
a sealing plate which is made of an organic resin and in contact with the seal pattern, over the light emitting element,
wherein an upper surface, a lower surface and a side surface of the light emitting element is surrounded with inorganic insulation layers,
wherein the cathode layer, the anode layer, and the layer containing light emitting material is in contact with the inorganic insulation layers, and
wherein the seal pattern is separated from the cathode.
12. The light emitting device according to claim 11, wherein the organic resin substrate comprises aramid.
13. The light emitting device according to claim 11, wherein the sealing plate has 30 to 120 \u03bcm thickness.
14. The light emitting device according to claim 1, wherein the inorganic insulation layers comprise a material selected from the group consisting of silicon nitride and aluminum nitride.
15. The light emitting device according to claim 11, wherein the light emitting device is incorporated in a mobile telephone.
16. A light emitting device comprising:
a transistor comprising a source region and a drain region over an organic resin substrate;
a pixel section having a light emitting element including an organic compound layer containing light emitting material between a cathode layer and an anode layer over the organic resin substrate;
a driving circuit section having a seal pattern; and
a sealing plate which is made of an organic resin and in contact with the seal pattern over the light emitting element,
wherein the anode layer is electrically connected to one of the source region and the drain region,
wherein an upper surface, a lower surface and a side surface of the light emitting element is surrounded with inorganic insulation layers,
wherein the cathode layer, the anode layer, and the layer containing light emitting material is in contact with the inorganic insulation layers, and
wherein the seal pattern is separated from the cathode.
17. The light emitting device according to claim 16, wherein the organic resin substrate comprises aramid.
18. The light emitting device according to claim 16, wherein the sealing plate has 30 to 120 \u03bcm thickness.
19. The light emitting device according to claim 16, wherein the inorganic insulation layers comprise a material selected from the group consisting of silicon nitride and aluminum nitride.
20. The light emitting device according to claim 16, wherein the light emitting device is incorporated in a mobile telephone.
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. A vehicle lighting unit having an optical axis, comprising:
an LED light source having a light emitting portion and an LED optical axis substantially parallel with the optical axis of the vehicle lighting unit;
a projection lens disposed forward in a light emitting direction of the optical axis of the LED light source and having an optical axis substantially parallel with the LED optical axis of the LED light source; and
an optical member disposed between the LED light source and the projection lens, the optical member being configured so as to transmit light received from the LED light source toward the projection lens to allow the light to pass through the projection lens and to form a predetermined light distribution pattern having a cut-off line, the optical member including a first reflecting surface horizontally disposed below the LED optical axis of the LED light source and substantially on the optical axis of the vehicle lighting unit, and a second reflecting surface disposed above the LED optical axis and facing towards the first reflecting surface, wherein the first reflecting surface includes an edge in a substantially elliptic shape arranged in a horizontal plane and configured to take an aberration of the projection lens into consideration, the first reflecting surface extending from the edge to a location adjacent the light emitting portion of the LED light source, and
the second reflecting surface has a focus disposed substantially on the LED light source, and the second reflecting surface including at least one of a substantially conical curved surface and a curved surface having at least a part of a cross section of a substantially conical curved surface; and
wherein the LED and projection lens are so configured such that at least a portion of light emitted from the LED is directly incident upon the projection lens without reflection.
2. The vehicle lighting unit according to claim 1, wherein the optical member further includes a third reflecting surface that is opposite to the first reflecting surface with the optical axis of the LED light source being interposed therebetween and the third reflecting surface being substantially parallel with the optical axis of the LED light source.
3. The vehicle lighting unit according to claim 1, wherein the first reflecting surface and the second reflecting surface of the optical member define a space surrounded thereby and the space is filled with a resin.
4. The vehicle lighting unit according to claim 3, wherein the first reflecting surface and the second reflecting surface of the optical member are at least partly covered with a reflection surface layer.
5. The vehicle lighting unit according to claim 2, wherein the first reflecting surface, the second reflecting surface, and the third reflecting surface of the optical member define a space surrounded thereby and the space is filled with a resin.
6. The vehicle lighting unit according to claim 5, wherein the first reflecting surface, the second reflecting surface, and the third reflecting surface of the optical member are at least partly covered with a reflection surface layer.
7. The vehicle lighting unit according to claim 1, wherein a distance between the edge of the first reflecting surface of the optical member and the light emitting portion of the LED light source is 10 mm or less and greater than 0 mm.
8. The vehicle lighting unit according to claim 2, wherein a distance between the edge of the first reflecting surface of the optical member and the light emitting portion of the LED light source is 10 mm or less and greater than 0 mm.
9. The vehicle lighting unit according to claim 3, wherein a distance between the edge of the first reflecting surface of the optical member and the light emitting portion of the LED light source is 10 mm or less and greater than 0 mm.
10. The vehicle lighting unit according to claim 4, wherein a distance between the edge of the first reflecting surface of the optical member and the light emitting portion of the LED light source is 10 mm or less and greater than 0 mm.
11. The vehicle lighting unit according to claim 5, wherein a distance between the edge of the first reflecting surface of the optical member and the light emitting portion of the LED light source is 10 mm or less and greater than 0 mm.
12. The vehicle lighting unit according to claim 6, wherein a distance between the edge of the first reflecting surface of the optical member and the light emitting portion of the LED light source is 10 mm or less and greater than 0 mm.
13. The vehicle lighting unit according to claim 3, wherein the optical member includes a hollow portion around the optical axis of the LED light source so that the hollow portion penetrates the optical member and the light emitted from the LED light source along the LED optical axis passes through the hollow portion and directly enters the projection lens, and the first reflecting surface is disposed below the hollow portion.
14. The vehicle lighting unit according to claim 4, wherein the optical member includes a hollow portion around the optical axis of the LED light source so that the hollow portion penetrates the optical member and the light emitted from the LED light source along the LED optical axis passes through the hollow portion and directly enters the projection lens, and the first reflecting surface is disposed below the hollow portion.
15. The vehicle lighting unit according to claim 5, wherein the optical member includes a hollow portion around the optical axis of the LED light source so that the hollow portion penetrates the optical member and the light emitted from the LED light source along the LED optical axis passes through the hollow portion and directly enters the projection lens, and the first reflecting surface is disposed below the hollow portion.
16. The vehicle lighting unit according to claim 6, wherein the optical member includes a hollow portion around the optical axis of the LED light source so that the hollow portion penetrates the optical member and the light emitted from the LED light source along the LED optical axis passes through the hollow portion and directly enters the projection lens, and the first reflecting surface is disposed below the hollow portion.
17. The vehicle lighting unit according to claim 3, wherein the optical member includes a light entering surface configured to receive light from the LED light source, the light entering surface being formed in a convex shape facing toward the LED light source.
18. The vehicle lighting unit according to claim 4, wherein the optical member includes a light entering surface configured to receive light from the LED light source, the light entering surface being formed in a convex shape facing toward the LED light source.
19. The vehicle lighting unit according to claim 5, wherein the optical member includes a light entering surface configured to receive light from the LED light source, the light entering surface being formed in a convex shape facing toward the LED light source.
20. The vehicle lighting unit according to claim 6, wherein the optical member includes a light entering surface configured to receive light from the LED light source, the light entering surface being formed in a convex shape facing toward the LED light source.
21. The vehicle lighting unit according to claim 1, wherein the light emitting portion of the LED light source has a lower side that is disposed such that the first reflecting surface prevents light emitted from the light emitting portion from entering below the first reflection surface.
22. The vehicle lighting unit according to claim 1, wherein the vehicle lighting unit is configured to project light to form the predetermined light distribution pattern including the cut-off line, and the first reflecting surface of the optical member includes a surface inclined by 15 to 45 degrees with respect to a horizontal width direction for forming the cut-off line near the optical axis of the vehicle lighting unit.
23. The vehicle lighting unit according to claim 2, wherein the light emitting portion of the LED light source has a lower side that is disposed such that the first reflecting surface prevents light emitted from the light emitting portion from entering below the first reflection surface.
24. The vehicle lighting unit according to claim 2, wherein the vehicle lighting unit is configured to project light to form the predetermined light distribution pattern including the cut-off line, and the first reflecting surface of the optical member includes a surface inclined by 15 to 45 degrees with respect to a horizontal width direction for forming the cut-off line near the optical axis of the vehicle lighting unit.
25. A vehicle light comprising:
a housing; and
a vehicle lighting unit portion including at least one vehicle lighting unit according to claim 1.
26. A vehicle light comprising:
a housing; and
a vehicle lighting unit portion including at least one vehicle lighting unit according to claim 2.