1. A medium cassette that holds a stack of print medium, comprising:
a medium guide member including a first member and a second member, the second member supporting part of the stack of print medium, said medium guide member being movable in a direction toward the stack of print medium, wherein the second member includes a tapered portion with a tapered edge that extends from a middle portion of the second member leftward and rightward with respect to the direction; and
a supporting member including a groove formed therein by which said medium guide member is guided to move to and from the stack of print medium;
wherein when said medium guide member is moved in the direction toward the stack of print medium in the groove to a predetermined position, the first member abuts an end of the stack of print medium and the tapered portion slides under the stack of print medium.
2. The medium cassette according to claim 1, wherein the tapered portion extends further downward below a bottom of the stack of print medium.
3. A medium feeding apparatus that incorporates the medium cassette according to claim 1.
4. The medium cassette according to claim 1, further comprising a medium-supporting member on which the stack of print medium is placed, wherein medium guide member can be mounted on the medium-supporting member.
5. The medium cassette according to claim 4, wherein said medium guide member includes a locking member and the medium-supporting member includes a recess formed therein by a drawing operation;
wherein maid medium guide member is locked at a predetermined position when the locking member is received in the recess.
6. A medium cassette that holds a stack of print medium, comprising:
a medium guide member including a first member and a second member, the second member including a tapered forward end portion; and
a supporting member including a groove formed therein by which said medium guide member is guided to move to and from the stack of print medium;
wherein when said medium guide member is moved in a direction toward the stack of print medium in the groove to a predetermined position, the first member abuts an end of the stack of print medium and the tapered forward end portion slides under the stack of print medium;
wherein the second member has an edge that extends from a middle portion of the second member leftward and rightward with respect to the direction;
wherein the edge becomes further away from the stack of print medium than the middle portion with increasing distance from the middle portion.
7. The medium cassette according claim 6, wherein the edge extends from the middle portion to describe either a curved line or a straight line.
8. A medium feeding apparatus that incorporates the medium cassette according to claim 7.
9. A medium cassette that holds a stack of print medium, comprising:
a medium guide member including a first member and a second member, the second member including a tapered forward end portion; and
a supporting member including a groove formed therein by which said medium guide member is guided to move to and from the stack of print medium;
wherein when said medium guide member is moved in a direction toward the stack of print medium in the groove to a predetermined position, the first member abuts an end of the stack of print medium and the tapered forward end portion slides under the stack of print medium;
wherein said medium guide member further includes a first projection that extends from a bottom surface of the second member through the groove;
wherein the first projection includes second projections that project substantially leftward and rightward with respect to the direction so that the supporting member is sandwiched between the bottom surface of the second member and the second projections.
10. The medium cassette according to claim 9, wherein the second projections include a first set of the second projections that extends over a first distance and a second set of the second projections that extends over a second distance.
11. The medium cassette according to claim 10, wherein each of the second projections includes a plurality of stepped portions;
wherein the supporting member can be held in a sandwiched relation between the bottom surface of the second member and a corresponding one of the plurality of stepped portions.
12. A medium feeding apparatus that incorporates the medium cassette according to claim 11.
13. A medium feeding apparatus that incorporates the medium cassette according to claim 10.
14. A medium cassette that holds a stack of print medium, comprising:
a medium guide member including a first member and a second member, the second member including a tapered forward end portion; and
a supporting member includes a groove formed therein by which said medium guide member is guided to move to and from the stack of print medium;
wherein when said medium guide member is moved in a direction toward the stack of print medium in the groove to a predetermined position, the first member abuts an end of the stack of print medium and the tapered forward end portion slides under the stack of print medium;
further comprising a medium-supporting member on which the stack of print medium is placed, wherein said medium guide member can be mounted on the medium-supporting member;
wherein said medium guide member includes a locking member and the medium-supporting member has a recess formed therein by a drawing operation;
wherein said medium guide member is locked at a predetermined position when the locking member is received in the recess; and
wherein the medium-supporting member has an opening beside the recess.
15. A medium feeding apparatus that incorporates the medium cassette according to claim 14.
16. A medium cassette that holds a stack of print medium therein, comprising:
a supporting member having a groove formed therein;
a medium guide member including a first member and a second member that slides under the stack of print medium, said medium guide member being detachably mounted to said supporting member and guided in the groove to and from the stack of print medium; and
a medium-supporting member on which the stack of print medium is placed, said medium-supporting member pushing up the print medium and having an opening formed therein through which said medium guide member can be mounted;
wherein the medium guide member further includes a first projection that extends from a bottom surface of the second member through the groove;
wherein the medium guide member includes second projections that project substantially leftward and rightward with respect to the direction so that the supporting member is sandwiched between the bottom surface of the second member and the second projections.
17. The medium cassette according to claim 16, wherein each of the second projections includes a plurality of stepped portions so that the supporting member can be held in a sandwiched relation between the bottom surface of the second member and a corresponding one of the plurality of stepped portions.
18. The medium cassette according to claim 16, wherein said medium guide member includes a locking member and the medium-supporting member includes a recess formed therein by a drawing operation, wherein said medium guide member is locked at a predetermined position when the locking member is received in the recess.
19. A medium feeding apparatus that incorporates the medium cassette according to claim 18.
20. The medium cassette according to claim 18, wherein the medium-supporting member includes an opening beside the recess.
21. A medium feeding apparatus that incorporates the medium cassette according to claim 20.
22. A medium feeding apparatus that incorporates the medium cassette according to claim 16.
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 light emitting device comprising a plurality of light emitting elements comprising, each light emitting element comprising:
a cathode;
an anode; and
a layer containing an organic compound between the cathode and the anode,
wherein molecules of the organic compound are oriented in one direction.
2. A light emitting device comprising a plurality of light emitting elements, each light emitting element comprising:
a cathode;
an anode; and
a layer containing an organic compound between the anode and cathode,
wherein a molecular chain of a molecule of the organic compound is oriented in the same direction as current flowing between the cathode and the anode.
3. A light emitting device comprising a plurality of light emitting elements, each light emitting element comprising:
a cathode;
an anode; and
a layer containing an organic compound between the anode and cathode,
wherein molecular chains of molecules of the organic compound is continuously oriented in the same direction as current flowing between the cathode and the anode, and
wherein a material for inhibiting crystallization of the organic compound is disposed among the molecules.
4. A light emitting device comprising a plurality of light emitting elements, each light emitting element comprising:
a cathode;
an anode; and
a layer containing an organic compound between the anode and the cathode,
wherein one of the anode and the cathode has regular depressions and projections on its surface, and
wherein molecules of the organic compound are oriented along the regular depressions and the projections.
5. A light emitting device comprising a plurality of light emitting elements, each light emitting element comprising:
a cathode;
an anode; and
a layer containing an organic compound between the anode and the cathode,
wherein the layer containing the organic compound has a laminate structure comprising:
a first layer containing a first organic compound; and
a second layer containing a second organic compound over the first layer,
wherein the first layer containing the first organic compound has regular depressions and projections on its surface, and
wherein molecules of the second organic compound are arranged along the regular depressions and the projections.
6. A light emitting device according to claim 1, wherein the light emitting element emits light selected from the group consisting of red, green, and blue.
7. A light emitting device according to claim 2, wherein the light emitting element emits light selected from the group consisting of red, green, and blue.
8. A light emitting device according to claim 3, wherein the light emitting element emits light selected from the group consisting of red, green, and blue.
9. A light emitting device according to claim 4, wherein the light emitting element emits light selected from the group consisting of red, green, and blue.
10. A light emitting device according to claim 5, wherein the light emitting element emits light selected from the group consisting of red, green, and blue.
11. A light emitting device according to claim 1, wherein each of the plurality of light emitting elements emits light having a color selected from the group consisting of red, green, blue, and white.
12. A light emitting device according to claim 2, wherein each of the plurality of light emitting elements emits light having a color selected from the group consisting of red, green, blue, and white.
13. A light emitting device according to claim 3, wherein each of the plurality of light emitting elements emits light having a color selected from the group consisting of red, green, blue, and white.
14. A light emitting device according to claim 4, wherein each of the plurality of light emitting elements emits light having a color selected from the group consisting of red, green, blue, and white.
15. A light emitting device according to claim 5, wherein each of the plurality of light emitting elements emits light having a color selected from the group consisting of red, green, blue, and white.
16. An electronic appliance comprising the light emitting device according to claim 1, wherein the electronic appliance is one selected from the group consisting of a video camera, a car navigation system, a personal computer, and a handheld terminal.
17. An electronic appliance comprising the light emitting device according to claim 2, wherein the electronic appliance is one selected from the group consisting of a video camera, a car navigation system, a personal computer, and a handheld terminal.
18. An electronic appliance comprising the light emitting device according to claim 3, wherein the electronic appliance is one selected from the group consisting of a video camera, a car navigation system, a personal computer, and a handheld terminal.
19. An electronic appliance comprising the light emitting device according to claim 4, wherein the electronic appliance is one selected from the group consisting of a video camera, a car navigation system, a personal computer, and a handheld terminal.
20. An electronic appliance comprising the light emitting device according to claim 5, wherein the electronic appliance is one selected from the group consisting of a video camera, a car navigation system, a personal computer, and a handheld terminal.
21. A method for manufacturing a light emitting device comprising a plurality of light emitting elements comprising:
a cathode;
a layer containing an organic compound over the cathode; and
an anode over the layer containing the organic compound, comprising the steps of:
forming the cathode comprising a metal selected from the group consisting of Au, Pt and Ag;
arranging a long axis of an organic compound molecule having a thiol group (SH group) perpendicular to a surface of the cathode by reacting the organic compound molecule with the surface of the cathode for forming the layer containing the organic compound; and
forming the anode over the layer containing the organic compound.
22. A method for manufacturing a light emitting device comprising a plurality of light emitting elements comprising:
a first electrode;
a layer containing an organic compound over the first electrode; and
a second electrode over the layer containing the organic compound, comprising the steps of:
forming the first electrode;
forming a thin film by sequentially arranging molecules over a surface of the first electrode by application;
forming the layer containing the organic compound by vapor deposition with regularly arranging molecules of the organic compound along a molecular sequence in the thin film; and
forming the second electrode over the layer containing the organic compound.
23. A method for manufacturing a light emitting device comprising a plurality of light emitting elements comprising:
a first electrode;
a layer comprising a first layer containing a first organic compound and a second layer containing a second organic compound over the first electrode; and
a second electrode over the layer comprising the first layer and the second layer, comprising the steps of:
forming the first electrode;
forming a partition containing an insulating material and covering an edge portion of the first electrode;
forming the first layer containing the first organic compound over the first electrode;
regularly forming depressions and projections by performing a rubbing treatment on a surface of the first layer containing the first organic compound;
forming the second layer containing the second organic compound oriented along the depressions and the projections; and
forming the second electrode over the second layer.