# US 2017/0289532 A1 · Multi-layer display of content on a flexible display

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- Number: US 2017/0289532 A1
- Document ID: US20170289532A1
- Status: Published application
- Kind: A1
- Application number: 15/611,912
- Filed: 2017-06-02
- Published: 2017-10-05
- Earliest claimed: 2015-10-15
- Assignees: International Business Machines Corporation
- Applicants: International Business Machines Corporation
- Inventors: Vijay EKAMBARAM; Sarbajit K. RAKSHIT
- Web page: https://patentgrep.com/patent/US20170289532A1

## CPC

- H04N 13/395: with depth sampling, i.e. the volume being constructed from a stack or sequence of two-dimensional [2D] image planes
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- G06F 1/1677: {for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment}
- G06F 3/04815: Interaction with a metaphor-based environment or interaction object displayed as three-dimensional [3D], e.g. changing the user viewpoint with respect to the environment or object
- G06F 3/04842: Selection of displayed objects or displayed text elements (G06F3/0482 takes precedence)
- G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED}
- G09G 3/003: {to produce spatial visual effects}
- G09G 3/035: {for flexible display surfaces}
- H04N 13/366: using viewer tracking
- H04N 13/368: for two or more viewers
- H04N 13/39: the picture elements emitting light at places where a pair of light beams intersect in a transparent material
- G09G 2300/023: Display panel composed of stacked panels
- G09G 2320/028: by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- 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)

## Abstract

Multi-layer display of content on a flexible display is provided. A roll profile of a rolled transparent flexible display is detected, the rolled transparent flexible display forming a plurality of overlapping display layers of the transparent flexible display. Content is then displayed on the plurality of overlapping display layers, where different portions of the content are displayed on different display layers of the plurality of display layers to present the content as three-dimensional content.

## Claims

### Claim 1

A computer-implemented method comprising:
detecting a roll profile of a rolled transparent flexible display, the rolled transparent flexible display forming a plurality of overlapping display layers of the transparent flexible display; and
displaying content on the plurality of overlapping display layers, wherein different portions of the content are displayed on different display layers of the plurality of display layers to present the content as three-dimensional content.

### Claim 2 (depends on 1)

The method of claim 1, further comprising indicating to a user a recommended roll profile for the transparent flexible display based on a recommended number of overlapping display layers on which the content is to be displayed, and the recommended roll profile indicating a curvature of the transparent flexible display to achieve the recommended number of display layers.

### Claim 3 (depends on 2)

The method of claim 2, further comprising:
based on a user selection of the content for display, analyzing the content and determining the recommended number of overlapping display layers;
determining the recommended roll profile based on the recommended number of overlapping display layers; and
indicating to the user the recommended roll profile.

### Claim 4 (depends on 3)

The method of claim 3, wherein initially the detected roll profile fails to satisfy the recommended roll profile, and wherein the method further comprises:
based on the indicating, detecting a changed roll profile of the transparent flexible display;
determining that the changed roll profile satisfies the recommended roll profile; and
performing the displaying based on determining that the changed roll profile satisfies the recommended roll profile.

### Claim 5 (depends on 1)

The method of claim 1, wherein the rolled transparent flexible display forms a cylindrical tube, wherein the transparent flexible display is a first transparent flexible display, and wherein the method further comprises:
detecting insertion of a rolled second transparent flexible display into the cylindrical tube formed by the first transparent flexible display, the rolled second transparent flexible display forming overlapping display layers of the second transparent flexible display, wherein the insertion provides a set of overlapping layers comprising the overlapping display layers of the first transparent flexible display and the overlapping display layers of the second transparent flexible display; and
displaying the content on the set of overlapping layers, wherein different portions of the content are displayed on different layers of the overlapping display layers of the first transparent flexible display and the overlapping display layers of the second transparent flexible display to present the content as three-dimensional content.

### Claim 6 (depends on 1)

The method of claim 1, further comprising:
determining a viewing direction from which a viewer views the rolled transparent flexible display;
identifying portions of the rolled transparent flexible display viewable from the viewing direction; and
using the portions viewable from the viewing direction as the plurality of overlapping display layers on which the content is displayed.

### Claim 7 (depends on 6)

The method of claim 6, wherein the viewing direction is a first viewing direction, the viewer is a first viewer, and the identified portions are first portions of the rolled transparent flexible display, and wherein the method further comprises:
determining a second viewing direction from which a second viewer views the rolled transparent flexible display, the second viewing direction being a different viewing direction from the first viewing direction;
identifying second portions of the rolled transparent flexible display, the second portions being viewable from the second viewing direction and being different from the identified first portions of the rolled transparent flexible display, and the second portions forming different overlapping display layers from the plurality of overlapping display layers; and
displaying additional content on the second display portions to present the additional content as three-dimensional content for view by the second viewer, wherein the additional content is the same as the content displayed on the first portions of the rolled transparent flexible display for the first viewer or is different from the content displayed on the first portions of the rolled transparent flexible display for the first viewer.

### Claim 8 (depends on 1)

The method of claim 1, further comprising:
determining a plurality of viewing directions from which a plurality of viewers view the rolled transparent flexible display; and
identifying, based on the plurality of viewing directions, portions of the rolled transparent flexible display to use as the plurality of overlapping display layers on which the content is displayed.

### Claim 9 (depends on 8)

The method of claim 8, wherein the identifying comprises using facial recognition to determine a viewing direction of a primary viewer, wherein the identified portions comprises portions viewable from the viewing direction of the primary viewer.

### Claim 10 (depends on 1)

The method of claim 1, wherein the displaying the content initially displays the content on first portions of the transparent flexible display that are viewable from a viewing direction of a viewer, and wherein the method further comprises dynamically adjusting the display of the content to display the content on second portions of the transparent flexible display different from the first portions, the dynamically adjusting being based on detecting at least one of (i) a change in viewing direction of the viewer, or (ii) a change in the roll profile of the rolled transparent flexible display.

### Claim 11

A computer system comprising:
a memory; and
a processor in communication with the memory, wherein the computer system is configured to perform a method, the method comprising:
detecting a roll profile of a rolled transparent flexible display, the rolled transparent flexible display forming a plurality of overlapping display layers of the transparent flexible display; and
displaying content on the plurality of overlapping display layers, wherein different portions of the content are displayed on different display layers of the plurality of display layers to present the content as three-dimensional content.

### Claim 12 (depends on 11)

The computer system of claim 11, wherein the method further comprises:
based on a user selection of the content for display, analyzing the content and determining a recommended number of overlapping display layers on which the content is to be displayed;
determining a recommended roll profile for the transparent flexible display based on the recommended number of overlapping display layers, the recommended roll profile indicating a curvature of the transparent flexible display to achieve the recommended number of display layers;
indicating the recommended roll profile to a user.

### Claim 13 (depends on 11)

The computer system of claim 11, wherein the rolled transparent flexible display forms a cylindrical tube, wherein the transparent flexible display is a first transparent flexible display, and wherein the method further comprises:
detecting insertion of a rolled second transparent flexible display into the cylindrical tube formed by the first transparent flexible display, the rolled second transparent flexible display forming overlapping display layers of the second transparent flexible display, wherein the insertion provides a set of overlapping layers comprising the overlapping display layers of the first transparent flexible display and the overlapping display layers of the second transparent flexible display; and
displaying the content on the set of overlapping layers, wherein different portions of the content are displayed on different layers of the overlapping display layers of the first transparent flexible display and the overlapping display layers of the second transparent flexible display to present the content as three-dimensional content.

### Claim 14 (depends on 11)

The computer system of claim 11, wherein the method further comprises:
determining a first viewing direction from which a first viewer views the rolled transparent flexible display;
identifying first portions of the rolled transparent flexible display viewable from the first viewing direction;
using the first portions viewable from the first viewing direction as the plurality of overlapping display layers on which the content is displayed;
determining a second viewing direction from which a second viewer views the rolled transparent flexible display, the second viewing direction being a different viewing direction from the first viewing direction;
identifying second portions of the rolled transparent flexible display, the second portions being viewable from the second viewing direction and being different from the identified first portions of the rolled transparent flexible display, and the second portions forming different overlapping display layers from the plurality of overlapping display layers; and
displaying additional content on the second display portions to present the additional content as three-dimensional content for view by the second viewer, wherein the additional content is the same as the content displayed on the first portions of the rolled transparent flexible display for the first viewer or is different from the content displayed on the first portions of the rolled transparent flexible display for the first viewer.

### Claim 15 (depends on 11)

The computer system of claim 11, wherein the method further comprises:
determining a plurality of viewing directions from which a plurality of viewers view the rolled transparent flexible display; and
identifying, based on the plurality of viewing directions, portions of the rolled transparent flexible display to use as the plurality of overlapping display layers on which the content is displayed.

### Claim 16 (depends on 11)

The computer system of claim 11, wherein the displaying the content initially displays the content on first portions of the transparent flexible display that are viewable from a viewing direction of a viewer, and wherein the method further comprises dynamically adjusting the display of the content to display the content on second portions of the transparent flexible display different from the first portions, the dynamically adjusting being based on detecting at least one of (i) a change in viewing direction of the viewer, or (ii) a change in the roll profile of the rolled transparent flexible display.

### Claim 17

A computer program product comprising:
a computer readable storage medium readable by a processor and storing instructions for execution by the processor for performing a method comprising:
detecting a roll profile of a rolled transparent flexible display, the rolled transparent flexible display forming a plurality of overlapping display layers of the transparent flexible display; and
displaying content on the plurality of overlapping display layers, wherein different portions of the content are displayed on different display layers of the plurality of display layers to present the content as three-dimensional content.

### Claim 18 (depends on 17)

The computer program product of claim 17, wherein the method further comprises:
based on a user selection of the content for display, analyzing the content and determining a recommended number of overlapping display layers on which the content is to be displayed;
determining a recommended roll profile for the transparent flexible display based on the recommended number of overlapping display layers, the recommended roll profile indicating a curvature of the transparent flexible display to achieve the recommended number of display layers;
indicating the recommended roll profile to a user.

### Claim 19 (depends on 17)

The computer program product of claim 17, wherein the rolled transparent flexible display forms a cylindrical tube, wherein the transparent flexible display is a first transparent flexible display, and wherein the method further comprises:
detecting insertion of a rolled second transparent flexible display into the cylindrical tube formed by the first transparent flexible display, the rolled second transparent flexible display forming overlapping display layers of the second transparent flexible display, wherein the insertion provides a set of overlapping layers comprising the overlapping display layers of the first transparent flexible display and the overlapping display layers of the second transparent flexible display; and
displaying the content on the set of overlapping layers, wherein different portions of the content are displayed on different layers of the overlapping display layers of the first transparent flexible display and the overlapping display layers of the second transparent flexible display to present the content as three-dimensional content.

### Claim 20 (depends on 17)

The computer program product of claim 17, wherein the method further comprises:
determining a first viewing direction from which a first viewer views the rolled transparent flexible display;
identifying first portions of the rolled transparent flexible display viewable from the first viewing direction;
using the first portions viewable from the first viewing direction as the plurality of overlapping display layers on which the content is displayed;
determining a second viewing direction from which a second viewer views the rolled transparent flexible display, the second viewing direction being a different viewing direction from the first viewing direction;
identifying second portions of the rolled transparent flexible display, the second portions being viewable from the second viewing direction and being different from the identified first portions of the rolled transparent flexible display, and the second portions forming different overlapping display layers from the plurality of overlapping display layers; and
displaying additional content on the second display portions to present the additional content as three-dimensional content for view by the second viewer, wherein the additional content is the same as the content displayed on the first portions of the rolled transparent flexible display for the first viewer or is different from the content displayed on the first portions of the rolled transparent flexible display for the first viewer.