Organic electroluminescent display device
View Patent ↗An organic EL display device of active matrix type wherein insulated-gate field effect transistors formed on a single-crystal semiconductor substrate are overlaid with an organic EL layer; characterized in that the single-crystal semiconductor substrate ( 413 in FIG. 4 ) is held in a vacant space ( 414 ) which is defined by a bed plate ( 401 ) and a cover plate ( 405 ) formed of an insulating material, and a packing material ( 404 ) for bonding the bed and cover plates; and that the vacant space ( 414 ) is filled with an inert gas and a drying agent, whereby the organic EL layer is prevented from oxidizing.
1. An electronic device comprising:
first and second light emitting devices, each of which includes a single crystal semiconductor substrate;
insulated gate field effect transistors provided on the single crystal semiconductor substrate;
a field oxide film provided between the insulated gate field effect transistors;
an EL layer comprising an organic material provided over the insulated gate field effect transistors;
a first plate and a second plate formed of an insulating material;
a first lens corresponding to the second plate of the first light emitting device; and
a second lens corresponding to the second plate of the second light emitting device,
wherein the single crystal semiconductor substrate is held in a space which is defined by the first plate and the second plate, and
wherein the single crystal semiconductor substrate includes n-wells.
2. A device according to claim 1 , further comprising;
a gate formed over the field oxide film.
3. A device according to claim 1 wherein the light emitting devices are employed for display portions of a goggle type display device.
4. An electronic device comprising:
first and second light emitting devices, each of which includes a single crystal semiconductor substrate;
insulated gate field effect transistors provided in a pixel section on the single crystal semiconductor substrate;
a field oxide film provided between the insulated gate field effect transistors;
an EL layer comprising an organic material provided over the insulated gate field effect transistors;
a first plate and a second plate formed of an insulating material;
a first lens corresponding to the second plate of the first light emitting device; and
a second lens corresponding to the second plate of the second light emitting device,
wherein the single crystal semiconductor substrate is held in a space which is defined by the first plate and the second plate,
wherein the first plate comprises a transparent material in a region of the second plate overlapping with the pixel section, and
wherein the single crystal semiconductor substrate includes n-wells.
5. A device according to claim 4 , further comprising;
a gate formed over the field oxide film.
6. A device according to claim 4 wherein the light emitting devices are employed for display portions of a goggle type display device.
7. An electronic device comprising:
first and second light emitting devices, each of which includes a single crystal semiconductor substrate;
insulated gate field effect transistors provided in a pixel section on the single crystal semiconductor substrate;
an EL layer comprising an organic material provided over the insulated gate field effect transistors;
a field oxide film provided between the insulated gate field effect transistors;
a first plate and a second plate formed of an insulating material;
a first lens corresponding to the second plate of the first light emitting device;
a second lens corresponding to the second plate of the second light emitting device, and
a color filter provided over the EL layer,
wherein the single crystal semiconductor substrate is held in a space which is defined by the first plate and the second plate, and
wherein the single crystal semiconductor substrate includes n-wells.
8. A device according to claim 7 , further comprising;
a gate formed over the field oxide film.
9. A device according to claim 7 wherein the light emitting devices are employed for display portions of a goggle type display device.
10. A device according to claim 7 wherein the second plate includes a window,
wherein the color filter is disposed at the window of the second plate.
11. A device according to claim 7 wherein the first lens is on and in contact with the second plate of the first light emitting device.
12. A device according to claim 7 wherein the sodium content of the EL layer is 0.1 ppm or less.
13. A device according to claim 7 , further comprising:
a pixel electrode connected to the insulated gate field effect transistor,
wherein the pixel electrode is roughened into a diffusing reflective surface.
14. A device according to claim 1 wherein the first lens is on and in contact with the second plate of the first light emitting device.
15. A device according to claim 1 wherein the sodium content of the EL layer is 0.1 ppm or less.
16. A device according to claim 1 , further comprising:
a pixel electrode connected to the insulated gate field effect transistor,
wherein the pixel electrode is roughened into a diffusing reflective surface.
17. A device according to claim 4 wherein the first lens is on and in contact with the second plate of the first light emitting device.
18. A device according to claim 4 wherein the sodium content of the EL layer is 0.1 ppm or less.
19. A device according to claim 4 , further comprising:
a pixel electrode connected to the insulated gate field effect transistor,
wherein the pixel electrode is roughened into a diffusing reflective surface.