Display system and vehicle

Patent metadata

Field	Value
Publication number	US-11823600-B2
Application number	US-202217984527-A
Country	US
Kind code	B2
Filing date	Nov 10, 2022
Priority date	May 10, 2016
Publication date	Nov 21, 2023
Grant date	Nov 21, 2023

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.

First claim

What is claimed is:

1. A display system comprising:
a flexible display panel comprising:
a display region; and
a non-display region; and

a control IC attached to the non-display region, the control IC comprising:
a memory circuit configured to store display region data;
a correction circuit configured to compress or enlarge first image data based on the display region data and convert the compressed or enlarged data into second image data for a size of the display region; and
a display driver IC configured to output the second image data to the flexible display panel,

wherein the display region has a curved surface,
wherein the second image data is configured to have less distortion in the display region on the curved surface,
wherein the flexible display panel comprises a bending portion near a border between the display region and the non-display region and is configured to be bent at the bending portion, and
wherein when the flexible display panel is bent, the non-display region overlaps with the display region.

2. The display system according to claim 1 , wherein the display region displays an image as being flat.

3. The display system according to claim 1 , wherein the border between the display region and the non-display region is freely fixed.

4. The display system according to claim 1 ,
wherein the correction circuit is configured to generate third image data to be applied to the non-display region, and
wherein the third image data is blank or black display.

5. The display system according to claim 1 ,
wherein the memory circuit comprises a memory cell,
wherein the memory cell comprises:
a first transistor whose semiconductor layer includes an oxide semiconductor; and
a capacitor, one electrode of the capacitor electrically connected to one of a source and a drain of the first transistor.

6. The display system according to claim 5 ,
wherein the memory cell further comprises a second transistor whose semiconductor layer includes silicon, and
wherein a gate of the second transistor is electrically connected to the one electrode of the capacitor and the one of the source and the drain of the first transistor.

7. A display system comprising:
a host controller;
a first flexible display panel comprising:
a first display region; and
a first non-display region,

a first control IC comprising:
a first memory circuit configured to store first display region data;
a first correction circuit configured to receive first image data from the host controller and compress or enlarge the first image data based on the first display region data and convert the enlarged or compressed data into second image data for a size of the first display region; and
a first display driver IC configured to output the second image data to the first flexible display panel,

a second flexible display panel comprising:
a second display region; and
a second non-display region, and

a second control IC comprising:
a second memory circuit configured to store second display region data;
a second correction circuit configured to receive third image data from the host controller and process the third image data based on the second display region data to generate fourth image data to be written to the second display region; and
a second display driver IC configured to output the fourth image data to the second flexible display panel,

wherein the first display region and the second display region are different in size and shape,
wherein the first flexible display panel comprises a bending portion near a border between the first display region and the first non-display region and is configured to be bent at the bending portion, and
wherein when the first flexible display panel is bent, the first non-display region overlaps with the first display region.

8. The display system according to claim 7 ,
wherein at least one of the first display region and the second display region has a curved surface, and
wherein the first display region and the second display region each display an image as being flat.

9. The display system according to claim 7 ,
wherein the shape of the first display region is rectangular,
wherein the first flexible display panel is bent along two sides of the rectangular first display region, and
wherein the other two side of the rectangular first display region overlaps with the second non-display region.

10. The display system according to claim 7 ,
wherein the first display region data and the second display region data are different from each other.

11. The display system according to claim 7 ,
wherein the first correction circuit is configured to generate fifth image data to be applied to the first non-display region, and
wherein the fifth image data is blank or black display.

12. The display system according to claim 7 ,
wherein the first memory circuit comprises a memory cell,
wherein the memory cell comprises:
a first transistor whose semiconductor layer includes an oxide semiconductor; and
a capacitor, one electrode of the capacitor electrically connected to one of a source and a drain of the first transistor.

13. The display system according to claim 12 ,
wherein the memory cell further comprises a second transistor whose semiconductor layer includes silicon, and
wherein a gate of the second transistor is electrically connected to the one electrode of the capacitor and the one of the source and the drain of the first transistor.

Assignees

• Semiconductor Energy Lab

Inventors

• Yamazaki Shunpei
• Kurokawa Yoshiyuki

Classifications

• B60K35/55

  Instruments with parts that can change their shape or position to configure an active screen, e.g. by folding or by rolling · CPC title

• B60K37/20

  Dashboard panels · CPC title

• B60K35/29

  Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions · CPC title

• B60K35/223

  Flexible displays · CPC title

• G09G3/03 Primary

  specially adapted for displays having non-planar surfaces, e.g. curved displays · CPC title