A FET is formed on a semiconductor substrate, a curved surface having a radius of curvature is formed on an upper end of an insulation, a portion of a first electrode is exposed corresponding to the curved surface to form an inclined surface, and a region defining a luminescent region is subjected t
A FET is formed on a semiconductor substrate, a curved surface having a radius of curvature is formed on an upper end of an insulation, a portion of a first electrode is exposed corresponding to the curved surface to form an inclined surface, and a region defining a luminescent region is subjected to etching to expose the first electrode. Luminescence emitted from an organic chemical compound layer is reflected by the inclined surface of the first electrode to increase a total quantity of luminescence taken out in a certain direction.
대표청구항▼
1. A display module comprising: a light emitting device comprising: a single crystal semiconductor substrate;a substrate over the single crystal semiconductor substrate;a pixel portion comprising a light emitting element and a first transistor electrically connected to the light emitting element, th
1. A display module comprising: a light emitting device comprising: a single crystal semiconductor substrate;a substrate over the single crystal semiconductor substrate;a pixel portion comprising a light emitting element and a first transistor electrically connected to the light emitting element, the light emitting element between the single crystal semiconductor substrate and the substrate, the light emitting element comprising: a first electrode over the single crystal semiconductor substrate;an EL layer over the first electrode; anda second electrode over the EL layer;a sealing agent between the single crystal semiconductor substrate and the substrate; anda wiring over the single crystal semiconductor substrate, the wiring electrically connected to the pixel portion; anda flexible printed circuit bonded to the wiring,wherein the EL layer is in contact with the first electrode in a light emitting region of the light emitting element,wherein a thickness of the first electrode in a region except the light emitting region is larger than a thickness of the first electrode in the light emitting region,wherein the first transistor comprises a channel formation region in the single crystal semiconductor substrate, andwherein the EL layer is capable of emitting white light. 2. The display module according to claim 1, wherein the light emitting device further comprises a color layer on the substrate, andwherein the color layer and the light emitting region of the light emitting element overlaps with each other. 3. The display module according to claim 1, further comprising: an insulating film covering the first electrode except in the light emitting region,wherein the EL layer is over and in contact with the insulating film. 4. The display module according to claim 1, further comprising: a sealing material between the single crystal semiconductor substrate and the substrate,wherein the sealing material surrounds the pixel portion. 5. The display module according to claim 1, wherein the substrate is a glass substrate. 6. The display module according to claim 5, further comprising an IC chip. 7. An electronic equipment comprising the display module according to claim 5, wherein the electronic equipment is one selected from the group consisting of a video camera, a digital camera, a head-mount display, a car navigation, a DVD player, an electronic game equipment, a portable information terminal and a personal computer. 8. An electronic device comprising: a light emitting device comprising: a single crystal semiconductor substrate;a substrate over the single crystal semiconductor substrate;a pixel portion comprising a light emitting element and a first transistor electrically connected to the light emitting element, the light emitting element between the single crystal semiconductor substrate and the substrate, the light emitting element comprising: a first electrode over the single crystal semiconductor substrate;an EL layer over the first electrode; anda second electrode over the EL layer;a sealing agent between the single crystal semiconductor substrate and the substrate; anda wiring over the single crystal semiconductor substrate, the wiring electrically connected to the pixel portion;a flexible printed circuit bonded to the wiring; anda control switch;wherein the EL layer is in contact with the first electrode in a light emitting region of the light emitting element,wherein a thickness of the first electrode in a region except the light emitting region is larger than a thickness of the first electrode in the light emitting region,wherein the first transistor comprises a channel formation region in the single crystal semiconductor substrate, andwherein the EL layer is capable of emitting white light. 9. The electronic device according to claim 8, further comprising an image receiving unit. 10. The electronic device according to claim 8, wherein the substrate is a glass substrate. 11. The electronic device according to claim 8, the light emitting device further comprising: a sealing material between the single crystal semiconductor substrate and the substrate,wherein the sealing material surrounds the pixel portion. 12. The electronic device according to claim 8, further comprising a battery. 13. The electronic device according to claim 8, further comprising an IC chip. 14. The electronic device according to claim 9, further comprising a camera unit. 15. The electronic device according to claim 9, further comprising an eyepiece unit. 16. The electronic device according to claim 9, further comprising an image input unit. 17. The electronic device according to claim 16, wherein the image input unit is an image sensor. 18. The display module according to claim 1, wherein the light emitting device further comprises a driver circuit electrically connected to the pixel portion via the wiring,wherein the driver circuit comprises a second transistor, andwherein the second transistor comprises a channel formation region in the single crystal semiconductor substrate. 19. The display module according to claim 18, further comprises a controller circuit; anda D/A converter,wherein the controller circuit and the D/A converter are fabricated on the single crystal semiconductor substrate. 20. The electronic device according to claim 8, wherein the light emitting device further comprises a driver circuit electrically connected to the pixel portion via the wiring,wherein the driver circuit comprises a second transistor, andwherein the second transistor comprises a channel formation region in the single crystal semiconductor substrate. 21. The electronic device according to claim 20, further comprises a controller circuit; anda D/A converter,wherein the controller circuit and the D/A converter are fabricated on the single crystal semiconductor substrate.
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