# US 10,504,489 B2 · Display system and vehicle

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- Number: US 10,504,489 B2
- Document ID: US10504489B2
- Status: Granted
- Kind: B2
- Application number: 15/587,983
- Filed: 2017-05-05
- Published: 2017-11-16
- Granted: 2019-12-10
- Earliest claimed: 2016-05-10
- Assignees: Semiconductor Energy Laboratory Co., Ltd.
- Applicants: Semiconductor Energy Laboratory Co., Ltd.
- Inventors: Shunpei Yamazaki; Yoshiyuki Kurokawa
- Web page: https://patentgrep.com/patent/US10504489B2

## CPC

- G09G 3/03: {specially adapted for displays having non-planar surfaces, e.g. curved displays}
- B60K 35/223: {Flexible displays}
- B60K 35/29: Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
- B60K 35/55: Instruments with parts that can change their shape or position to configure an active screen, e.g. by folding or by rolling
- B60K 37/20: Dashboard panels
- G09G 3/3225: using an active matrix
- G09G 5/14: Display of multiple viewports
- B60K 35/22: Display screens
- B60K 2360/331: Electroluminescent elements
- G09G 2310/0232: Special driving of display border areas
- G09G 2340/04: Changes in size, position or resolution of an image
- G09G 2340/14: Solving problems related to the presentation of information to be displayed
- G09G 2380/10: Automotive applications
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES

## Abstract

A display system and vehicle that have novel structures are provided. The display system includes a display panel, a correction circuit, and a memory circuit. The display panel is flexible. The display panel includes a display region and a non-display region. The memory circuit has a function of storing first data about the display region and second data about the non-display region. The non-display region has a region which overlaps with the display region when the display panel is bent. The correction circuit has a function of generating image data to be written to pixels in the display region on the basis of the first data and the second data.

## Claims

### Claim 1

A display system comprising:
a first display panel;
a first correction circuit;
a first memory circuit;
a second display panel;
a second correction circuit; and
a second memory circuit,
wherein the first display panel comprises a first display region and a first non-display region,
wherein the second display panel comprises a second display region and a second non-display region,
wherein the first memory circuit is configured to store first positional data of the first display region and second positional data of the first non-display region,
wherein the second memory circuit is configured to store third positional data of the second display region and fourth positional data of the second non-display region,
wherein the first display panel is bent so that the first non-display region comprises a region to overlap with the first display region,
wherein the second display panel is bent so that the second non-display region comprises a region to overlap with the second display region,
wherein the first correction circuit is configured to generate first image data to be written to the first display region on the basis of the first positional data and the second positional data so that no image data is written to the first non-display region, and
wherein the second correction circuit is configured to generate second image data to be written to the second display region on the basis of the third positional data and the fourth positional data so that no image data is written to the second non-display region.

### Claim 2 (depends on 1)

The display system according to claim 1,
wherein each of the first display panel and the second display panel comprises a transistor and a display element electrically connected to the transistor, and
wherein the transistor comprises an oxide semiconductor in a channel formation region.

### Claim 3 (depends on 2)

The display system according to claim 2, wherein the display element is an organic electroluminescent element.

### Claim 4

A vehicle comprising:
an instrument panel comprising a display system; and
a dashboard,
wherein the display system comprises a display panel, a correction circuit and a memory circuit,
wherein the display panel comprises a display region and a non-display region,
wherein the display panel is bent and attached to the dashboard such that the display region is exposed while the non-display region, the correction circuit, and the memory circuit are inside the dashboard,
wherein the memory circuit is configured to store first positional data of the display region and second positional data of the non-display region,
wherein the correction circuit is configured to generate image data to be written to the display region on the basis of the first positional data and the second positional data so that no image data is written to the non-display region.

### Claim 5 (depends on 4)

The vehicle according to claim 4,
wherein the display panel comprises a transistor and a display element electrically connected to the transistor, and
wherein the transistor comprises an oxide semiconductor in a channel formation region.

### Claim 6 (depends on 5)

The vehicle according to claim 5, wherein the display element is an organic electroluminescent element.

### Claim 7

A vehicle comprising:
an instrument panel comprising a display system; and
a dashboard,
wherein the display system comprises a first display panel, a first correction circuit, a first memory circuit, a second display panel, a second correction circuit, and a second memory circuit,
wherein the first display panel and the second display panel have the same structure,
wherein the first display panel comprises a first display region and a first non-display region,
wherein the second display panel comprises a second display region and a second non-display region,
wherein the first display panel is bent and attached to the dashboard such that the first display region is exposed while the first non-display region, the first correction circuit, and the first memory circuit are inside the dashboard,
wherein the second display panel is bent and attached to the dashboard such that the second display region is exposed while the second non-display region, the second correction circuit, and the second memory circuit are inside the dashboard,
wherein the first memory circuit is configured to store first positional data of the first display region and second positional data of the first non-display region,
wherein the second memory circuit is configured to store third positional data of the second display region and fourth positional data of the second non-display region,
wherein the first correction circuit is configured to generate first image data to be written to the first display region on the basis of the first positional data and the second positional data so that no image data is written to the first non-display region, and
wherein the second correction circuit is configured to generate second image data to be written to the second display region on the basis of the third positional data and the fourth positional data so that no image data is written to the second non-display region.

### Claim 8 (depends on 7)

The vehicle according to claim 7,
wherein each of the first display panel and the second display panel comprises a transistor and a display element electrically connected to the transistor, and
wherein the transistor comprises an oxide semiconductor in a channel formation region.

### Claim 9 (depends on 8)

The vehicle according to claim 8, wherein the display element is an organic electroluminescent element.

### Claim 10 (depends on 1)

The display system according to claim 1,
wherein the first display region is different from the second display region in size.

### Claim 11 (depends on 7)

The vehicle according to claim 7,
wherein the first display region is different from the second display region in size.