Display device and electronic apparatus

Patent metadata

Field	Value
Publication number	US-9564482-B2
Application number	US-201514662449-A
Country	US
Kind code	B2
Filing date	Mar 19, 2015
Priority date	Mar 31, 2014
Publication date	Feb 7, 2017
Grant date	Feb 7, 2017

Abstract

A display device includes a pixel section that includes a plurality of pixels each of which has a display element and which are disposed in a two-dimensional manner, and a driving circuit section that drives the plurality of pixels in order to perform display, in which a first floor including the driving circuit section and a second floor including the pixel section are laminated.

First claim

What is claimed is:

1. A display device comprising:
a second floor having a pixel section that includes at least one transistor, and a plurality of pixels that are disposed in a two-dimensional manner, each of the plurality of pixels having a display element; and
a first floor having a driving circuit section that drives the plurality of pixels in order to perform display,
wherein the first floor and the second floor are laminated.

2. The display device according to claim 1 , wherein the first floor and the second floor are formed in this order on a substrate.

3. The display device according to claim 1 , wherein the driving circuit section includes a plurality of circuit elements, and wherein the plurality of circuit elements are disposed in a distribution manner in the first floor.

4. The display device according to claim 1 , wherein the first floor and the second floor include light transmissive portions which communicate with each other in a laminate direction.

5. The display device according to claim 4 , wherein the driving circuit section includes a plurality of circuit elements,
wherein the plurality of circuit elements are disposed in a distribution manner in the first floor, and
wherein the light transmissive portions are formed in gaps between the plurality of circuit elements.

6. The display device according to claim 1 , wherein the driving circuit section includes a plurality of circuit elements, and wherein the plurality of circuit elements are provided in a selective first region of the first floor.

7. The display device according to claim 6 , wherein a wiring layer is formed in another selective second region of the first floor.

8. The display device according to claim 6 , wherein a functional element is formed in another selective second region of the first floor.

9. The display device according to claim 6 , wherein the pixel section has a rectangular shape in a plan view, and wherein the selective first region of the first floor is a region corresponding to at least one side of the rectangular shape.

10. The display device according to claim 1 , wherein the driving circuit section further includes a second transistor, and wherein the at least one transistor of the pixel section and the second transistor of the driving circuit section are formed to overlap each other in a plan view.

11. The display device according to claim 1 , wherein the pixel section includes a plurality of pixel transistors, and wherein one of the plurality of pixel transistors is formed in the first floor.

12. The display device according to claim 11 , wherein the pixel section includes a write transistor and a driving transistor as the pixel transistors, and wherein the write transistor is formed in the first floor, and the driving transistor is formed in the second floor.

13. The display device according to claim 12 , wherein an electrode of the display element is also used as a source/drain electrode of the driving transistor.

14. The display device according to claim 2 , wherein the first floor further includes a second transistor that contains low temperature polysilicon, and wherein the at least one transistor contains an oxide semiconductor.

15. The display device according to claim 2 , wherein the first floor further includes a second transistor, and wherein the at least one transistor and the second transistor contain an oxide semiconductor.

16. The display device according to claim 2 , wherein the first floor further includes a second transistor, and wherein the at least one transistor and the second transistor contain low temperature polysilicon.

17. The display device according to claim 2 , wherein the first floor further includes a second transistor that contains an oxide semiconductor, and wherein the at least one transistor contains low temperature polysilicon.

18. The display device according to claim 1 , wherein a shield layer is formed between the first floor and the second floor.

19. The display device according to claim 1 , wherein the display element is an organic electroluminescent element.

20. An electronic apparatus comprising:
a display device including
a second floor having a pixel section, the pixel section including at least one transistor, and a plurality of pixels that are disposed in a two-dimensional manner, each of the plurality of pixels having a display element; and
a first floor having a driving circuit section that drives the plurality of pixels in order to perform display,
wherein the first floor and the second are laminated.

Assignees

• Joled Inc

Inventors

• Teraguchi Shinichi
• Negishi Eisuke
• Yokozeki Mikihiro
• Kudo Shuji

Classifications

• H01L27/3248

  Electricity · mapped topic

• H01L27/3276 Primary

  Electricity · mapped topic

• H10D86/481

  integrated with passive devices, e.g. auxiliary capacitors · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title