Display apparatus and electronic apparatus

Patent metadata

Field	Value
Publication number	US-9608215-B2
Application number	US-201113302624-A
Country	US
Kind code	B2
Filing date	Nov 22, 2011
Priority date	Dec 13, 2010
Publication date	Mar 28, 2017
Grant date	Mar 28, 2017

Abstract

Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.

First claim

What is claimed is:

1. A display apparatus, comprising:
a foldable substrate;
a pixel array comprising a plurality of pixels on a central portion of the foldable substrate, a respective pixel comprising an electro-optical device;
a resin film on the pixel array;
a peripheral circuit on a peripheral portion of the foldable substrate and configured to drive the pixel array;
pads on the peripheral portion of the foldable substrate and connected to the peripheral circuit, wherein the peripheral portion of the foldable substrate includes a folding portion, and the pads are provided at a location on the peripheral portion of the foldable substrate, on which the peripheral circuit is provided, farther than the folding portion; and
a circuit element formed on the foldable substrate and adapted to configure a circuit section configured to drive the electro-optical device; a flattening film and a window insulation film laminated on the circuit element; and a second substrate disposed above the flattening film and the window insulation film in a region of the foldable substrate other than the peripheral portion of the foldable substrate and the folding portion of the peripheral portion of the foldable substrate,
wherein the foldable substrate is folded such that the peripheral portion of the foldable substrate partially overlaps the central portion of the foldable substrate and the peripheral circuit and the pads are under the pixel array, and
wherein a groove configured to prevent water invasion is formed in a side of the pixel array and along a side of the peripheral circuit with respect to the folding portion on the foldable substrate in such a manner as to surround the pixel array and the peripheral circuit.

2. The display apparatus according to claim 1 , wherein the groove is formed by cutting the flattening film and the window insulation film.

3. A display apparatus, comprising:
a foldable substrate;
a pixel array comprising a plurality of pixels on a central portion of the foldable substrate, a respective pixel comprising an electro-optical device;
a resin film on the pixel array;
a peripheral circuit on a peripheral portion of the foldable substrate and configured to drive the pixel array; and
pads on the peripheral portion of the foldable substrate and connected to the peripheral circuit,
wherein the foldable substrate is folded such that the peripheral portion of the foldable substrate partially overlaps the central portion of the foldable substrate and the peripheral circuit and the pads are under the pixel array,
wherein the peripheral portion of the foldable substrate includes a folding portion, and the pads are provided at a location on the peripheral portion of the foldable substrate, on which the peripheral circuit is provided, farther than the folding portion, and
wherein the peripheral circuit is a signal outputting circuit configured to output a video signal to the plurality of pixels for each pixel column; the peripheral portion of the foldable substrate on which the signal outputting circuit being folded at opposite end portions thereof; the pads fetching a control signal for controlling the signal outputting circuit, the pads being provided at the opposite end portions of the peripheral portion of the foldable substrate, on which the signal outputting circuit is provided, farther than the folding portion.

4. The display apparatus according to claim 3 , wherein the signal outputting circuit is configured to adopt a time-divisional driving method for supplying the video signal supplied time-sequentially through one data line time-divisionally in a unit of a plurality of pixel columns.

5. The display apparatus according to claim 3 , wherein the foldable substrate is folded at the peripheral portion of the foldable substrate at only one side thereof.

6. The display apparatus according to claim 3 , wherein the foldable substrate is folded at a wiring line configured to electrically connect the peripheral circuit and the pixel array.

7. An electronic apparatus, comprising:
foldable substrate;
a pixel array comprising a plurality of pixels on the foldable substrate, a respective pixel comprising an electro-optical device;
a resin film on the pixel array;
a peripheral circuit on a peripheral portion of the foldable substrate and configured to drive the pixel array, wherein the peripheral portion of the foldable substrate includes a folding portion, and the pads are provided at a location on the peripheral portion of the foldable substrate, on which the peripheral circuit is provided, farther than the folding portion;
pads on the peripheral portion of the foldable substrate and connected to the peripheral circuit; and
a circuit element formed on the foldable substrate and adapted to configure a circuit section configured to drive the electro-optical device; a flattening film and a window insulation film laminated on the circuit element; and a second substrate disposed above the flattening film and the window insulation film in a region of the foldable substrate other than the peripheral portion of the foldable substrate and the folding portion of the peripheral portion of the foldable substrate,
wherein the foldable substrate is folded such that the peripheral portion of the foldable substrate partially overlaps the central portion of the foldable substrate and the peripheral circuit and the pads are under the pixel array, and
wherein a groove configured to prevent water invasion is formed in a side of the pixel array and along a side of the peripheral circuit with respect to the folding portion on the foldable substrate in such a manner as to surround the pixel array and the peripheral circuit.

8. The electronic apparatus according to claim 7 , wherein the groove is formed by cutting the flattening film and the window insulation film.

9. An electronic apparatus, comprising:
a foldable substrate;
a pixel array comprising a plurality of pixels on the foldable substrate, a respective pixel comprising an electro-optical device;
a resin film on the pixel array;
a peripheral circuit on a peripheral portion of the foldable substrate and configured to drive the pixel array, and
pads on the peripheral portion of the foldable substrate and connected to the peripheral circuit,
wherein the foldable substrate is folded such that the peripheral portion of the foldable substrate partially overlaps the central portion of the foldable substrate and the peripheral circuit and the pads are under the pixel array,
wherein the peripheral portion of the foldable substrate includes a folding portion, and the pads are provided at a location on the peripheral portion of the foldable substrate, on which the peripheral circuit is provided, farther than the folding portion, and
wherein the peripheral circuit is a signal outputting circuit configured to output a video signal to the plurality of pixels for each pixel column; the peripheral portion of the foldable substrate on which the signal outputting circuit being folded at opposite end portions thereof; the pads fetching a control signal for controlling the signal outputting circuit, the pads being provided at the opposite end portions of the peripheral portion of the foldable substrate, on which the signal outputting circuit is provided, farther than the folding portion.

10. The electronic apparatus according to claim 9 , wherein the signal outputting circuit is configured to adopt a time-divisional driving method for supplying the video signal supplied time-sequentially through one data line time-divisionally in a unit of a plurality of pixel columns.

11. The electronic apparatus according to claim 9 , wherein the foldable substrate is

Assignees

• Minami Tetsuo
• Uchino Katsuhide
• Joled Inc

Inventors

• Minami Tetsuo
• Uchino Katsuhide

Classifications

• G09G3/3283

  in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements · CPC title

• Y02E10/549

  Organic PV cells · CPC title

• G02F1/133305

  Flexible substrates, e.g. plastics, organic film · CPC title

• G09G3/3266

  Details of drivers for scan electrodes · CPC title

• G09G2380/02

  Flexible displays · CPC title