IP Library Granted Patent US 9,980,389
Granted Patent B2
US 9,980,389 · App. 15/210,097 · Granted May 22, 2018

Display device

Inventors: Satohiro Okamoto (Kanagawa, JP); Yasuyuki Arai (Kanagawa, JP); Ikuko Kawamata (Kanagawa, JP); Atsushi Miyaguchi (Kanagawa, JP); Yoshitaka Moriya (Kanagawa, JP)
Assignee: Semiconductor Energy Laboratory Co., Ltd.
H05K1/189G02F1/13452G02F1/133305G06F3/0412G09G3/2096G09G3/3611G09G5/003H01L27/1218H01L27/1225G02F1/167G06F2203/04102G09G3/3208G09G3/36G09G5/39G09G2300/0421G09G2300/0478H05K2201/10128
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Quick Facts
Patent No.
US 9,980,389
App. No.
15/210,097
Granted
May 22, 2018
Kind
B2
Abstract

The display device includes: a flexible display panel including a display portion in which scanning lines and signal lines cross each other; a supporting portion for supporting an end portion of the flexible display panel; a signal line driver circuit for outputting a signal to the signal line, which is provided for the supporting portion; and a scanning line driver circuit for outputting a signal to the scanning line, which is provided for a flexible surface of the display panel in a direction which is perpendicular or substantially perpendicular to the supporting portion.

Claims (60)

1. A display device comprising:

a display panel; and

a display control portion electrically connected to the display panel,

wherein the display panel comprises:

a first plate and a second plate;

a first substrate having a flexibility over the first plate and the second plate;

a display portion comprising a display element over the first substrate;

a first driver circuit over the first substrate and overlapping with the first plate;

a second substrate having flexibility over the display portion and the first driver circuit; and

a third plate and a fourth plate over the second substrate and respectively overlapping with the first plate and the second plate,

wherein the display control portion comprises:

an operation portion configured to perform power input and switching of display; and

an internal memory comprising a memory for storing a program for processing a signal output to an image signal generation circuit on a basis of a signal of the operation portion, and

wherein the display portion is bendable between the first plate and the second plate.

2. The display device according to claim 1 , wherein the display control portion comprises a CPU, a memory portion, a power feeding portion, a power supply circuit, the image signal generation circuit, a signal line driver circuit, the operation portion operatively connected to one another through an interface.

3. The display device according to claim 2 , wherein the memory portion comprises the internal memory, a data input portion, and an external memory.

4. The display device according to claim 1 ,

wherein the display panel comprises:

a second driver circuit over the first substrate and overlapping with the second plate, wherein the second substrate is positioned over the second driver circuit.

5. The display device according to claim 1 , wherein the first substrate comprises one selected from the group consisting of an aramid resin, a polyethylene naphthalate resin, a polyether sulfone resin, a polyphenylene sulfide resin, and a polyimide resin.

6. A display device comprising:

a display panel; and

a supporting portion supporting an end portion of the display panel, the supporting portion comprising a display control portion electrically connected to the display panel,

wherein the display panel comprises:

a first plate and a second plate;

a first substrate having a flexibility over the first plate and the second plate;

a display portion comprising a display element over the first substrate;

a first driver circuit over the first substrate and overlapping with the first plate;

a second substrate having flexibility over the display portion and the first driver circuit; and

a third plate and a fourth plate over the second substrate and respectively overlapping with the first plate and the second plate,

wherein the display control portion comprises:

an operation portion configured to perform power input and switching of display; and

an internal memory comprising a memory for storing a program for processing a signal output to an image signal generation circuit on a basis of a signal of the operation portion, and

wherein the display portion is bendable between the first plate and the second plate.

7. The display device according to claim 6 , wherein the display control portion comprises a CPU, a memory portion, a power feeding portion, a power supply circuit, the image signal generation circuit, a signal line driver circuit, the operation portion operatively connected to one another through an interface.

8. The display device according to claim 7 , wherein the memory portion comprises the internal memory, a data input portion, and an external memory.

9. The display device according to claim 6 ,

wherein the display panel comprises:

a second driver circuit over the first substrate and overlapping with the second plate, wherein the second substrate is positioned over the second driver circuit.

10. The display device according to claim 6 , wherein the first substrate comprises one selected from the group consisting of an aramid resin, a polyethylene naphthalate resin, a polyether sulfone resin, a polyphenylene sulfide resin, and a polyimide resin.

11. A display device comprising:

a display panel; and

a display control portion provided for the display panel so that a display portion functions as a touch display,

wherein the display panel comprises:

a first plate and a second plate;

a first substrate having a flexibility over the first plate and the second plate;

a display portion comprising a display element over the first substrate;

a first driver circuit over the first substrate and overlapping with the first plate;

a second substrate having flexibility over the display portion and the first driver circuit; and

a third plate and a fourth plate over the second substrate and respectively overlapping with the first plate and the second plate,

wherein the display control portion comprises:

an operation portion configured to perform power input and switching of display; and

an internal memory comprising a memory for storing a program for processing a signal output to an image signal generation circuit on a basis of a signal of the operation portion, and

wherein the display portion is bendable between the first plate and the second plate.

12. The display device according to claim 11 , wherein the display control portion comprises a CPU, a memory portion, a power feeding portion, a power supply circuit, the image signal generation circuit, a signal line driver circuit, the operation portion operatively connected to one another through an interface.

13. The display device according to claim 12 , wherein the memory portion comprises the internal memory, a data input portion, and an external memory.

14. The display device according to claim 11 ,

wherein the display panel comprises:

a second driver circuit over the first substrate and overlapping with the second plate, wherein the second substrate is positioned over the second driver circuit.

15. The display device according to claim 11 , wherein the first substrate comprises one selected from the group consisting of an aramid resin, a polyethylene naphthalate resin, a polyether sulfone resin, a polyphenylene sulfide resin, and a polyimide resin.

Priority Claims (1)
JP 2009-112378 · May 2, 2009 · national
Continuity (5)
Continuation 14702118 · May 1, 2015
Continuation 14459818 · Aug 14, 2014
Continuation 13684946 · Nov 26, 2012
Continuation 12769298 · Apr 28, 2010
Related Publication 20170013720A1 · Jan 12, 2017