# US 12,216,856 B2 · Floating image display device and assemblable floating image display array

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- Number: US 12,216,856 B2
- Document ID: US12216856B2
- Status: Granted
- Kind: B2
- Application number: 18/368,354
- Filed: 2023-09-14
- Published: 2024-12-12
- Granted: 2025-02-04
- Earliest claimed: 2023-06-07
- Assignees: Industrial Technology Research Institute
- Applicants: Industrial Technology Research Institute
- Inventors: Szu-Wei Wu; Yi-Hsiang Huang; Hung Tsou
- Web page: https://patentgrep.com/patent/US12216856B2

## CPC

- G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads}
- G02B 30/56: by projecting aerial or floating images
- H04N 13/307: using fly-eye lenses, e.g. arrangements of circular lenses
- H04N 13/32: using arrays of controllable light sources; using moving apertures or moving light sources
- H04N 13/366: using viewer tracking
- G06F 2203/04108: Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
- H04N 2213/001: Constructional or mechanical details
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

A floating image display device comprises a floating image display module and a signal processing module. The floating image display module has a first upper assembling surface and a first lower assembling surface, and comprises a first pin located on the first lower assembling surface. The floating image display module is configured to form a floating image. The signal processing module has a second upper assembling surface and a second lower assembling surface, and comprises a plurality of second pins located on the second upper assembling surface. One of the plurality of second pins is detachably connected to the first pin. The signal processing module is configured to identify the floating image display module according to the position of the first pin corresponding to the plurality of second pins, and transmit a display signal associated with the floating image to the floating image display module through the first pin.

## Claims

### Claim 1

A floating image display device, comprising:
a floating image display module having a first upper assembling surface and a first lower assembling surface oppositely disposed, and comprising a first pin located on the first lower assembling surface, and configured to form a floating image; and
a signal processing module having a second upper assembling surface and a second lower assembling surface oppositely disposed, and comprising a plurality of second pins located on the second upper assembling surface, wherein one of the plurality of second pins is detachably connected to the first pin, and the signal processing module is configured to identify the floating image display module according to a position of the first pin corresponding to the plurality of second pins, and transmit a display signal associated with the floating image to the floating image display module through the first pin.

### Claim 2 (depends on 1)

The floating image display device of claim 1, wherein the floating image display module further comprises a plurality of third pins located on the first upper assembling surface, the plurality of third pins respectively correspond to the plurality of second pins, and the floating image display device further comprises:
a first functional module having a third upper assembling surface and a third lower assembling surface oppositely disposed, and comprising a fourth pin located on the third lower assembling surface, wherein the fourth pin is detachably connected to one of the plurality of third pins, and the signal processing module is further configured to identify the first functional module according to a position of the fourth pin corresponding to the plurality of second pins.

### Claim 3 (depends on 2)

The floating image display device of claim 2, wherein the first functional module is a sensing module, the sensing module is configured to sense whether there is a testing object within a range corresponding to the floating image and generate a sensing signal, and the signal processing module is further configured to receive the sensing signal through the fourth pin and the first pin and update and transmit the display signal to the floating image display module when the sensing signal indicates that the testing object is within the range.

### Claim 4 (depends on 2)

The floating image display device of claim 2, wherein the first functional module further comprises a plurality of fifth pins located on the third upper assembling surface, the plurality of fifth pins respectively correspond to the plurality of second pins, and the floating image display device further comprises:
a second functional module having a fourth upper assembling surface and a fourth lower assembling surface oppositely disposed, and comprising a sixth pin located on the fourth lower assembling surface, wherein the fourth lower assembling surface is detachably combined with the third upper assembling surface, the sixth pin is connected to one of the plurality of fifth pins, and the signal processing module is further configured to identify the second functional module according to a position of the sixth pin corresponding to the plurality of second pins,
wherein the first functional module is one of a sensing module and a feedback module, and the second functional module is the other one of the sensing module and the feedback module, and the sensing module is configured to sense whether there is a testing object within a range corresponding to the floating image and generate a sensing signal, and the signal processing module is further configured to receive the sensing signal to update and transmit the display signal to the floating image display module and/or to generate and transmit a feedback signal to the feedback module, and the feedback module is configured to give feedback to the testing object according to the feedback signal.

### Claim 5 (depends on 1)

The floating image display device of claim 1, further comprising:
a first functional module having a third upper assembling surface and a third lower assembling surface oppositely disposed, and comprising a fourth pin located on the third lower assembling surface and a plurality of fifth pins located on the third upper assembling surface, wherein the fourth pin is detachably connected to one of the plurality of second pins, and the plurality of fifth pins respectively correspond to the plurality of second pins,
wherein the first pin is detachably connected to one of the plurality of fifth pins, and the signal processing module is further configured to identify the first functional module according to a position of the fourth pin corresponding to the plurality of second pins.

### Claim 6 (depends on 5)

The floating image display device of claim 5, wherein the first functional module is a sensing module, the sensing module is configured to sense whether there is a testing object within a range corresponding to the floating image and generate a sensing signal, and the signal processing module is further configured to receive the sensing signal through the fourth pin and the first pin and update and transmit the display signal to the floating image display module when the sensing signal indicates that the testing object is within the range.

### Claim 7 (depends on 5)

The floating image display device of claim 5, wherein the floating image display module further comprises a plurality of third pins located on the first upper assembling surface, the plurality of third pins respectively correspond to the plurality of second pins, and the floating image display device further comprises:
a second functional module having a fourth upper assembling surface and a fourth lower assembling surface oppositely disposed, and comprising a sixth pin located on the fourth lower assembling surface, wherein the sixth pin is detachably connected to one of the plurality of third pins, and the signal processing module is further configured to identify the second functional module according to a position of the sixth pin corresponding to the plurality of second pins.

### Claim 8 (depends on 7)

The floating image display device of claim 7, wherein the first functional module is one of a sensing module and a feedback module, and the second functional module is the other one of the sensing module and the feedback module, and the sensing module is configured to sense whether there is a testing object within a range corresponding to the floating image and generate a sensing signal, and the signal processing module is further configured to receive the sensing signal to update and transmit the display signal to the floating image display module and/or to generate and transmit a feedback signal to the feedback module, and the feedback module is configured to give feedback to the testing object according to the feedback signal.

### Claim 9 (depends on 1)

The floating image display device of claim 1, wherein the floating image display module has a plurality of first pins corresponding to a plurality of display ranges respectively, and the signal processing module is further configured to receive an external command to be connected to an electrical signal transmission path of one of the plurality of first pins accordingly, so as to transmit the display signal to the floating image display module through the electric signal transmission path.

### Claim 10 (depends on 9)

The floating image display device of claim 9, further comprising a sensing module, wherein a plurality of sensing electrodes inside the sensing module have different pattern wiring designs, a plurality of contacts of the plurality of sensing electrodes correspond to the plurality of first pins respectively, and a plurality of sensing ranges of the plurality of sensing electrodes respectively correspond to the plurality of display ranges.

### Claim 11

An assemblable floating image display array, comprising a plurality of floating image display devices, wherein each of the plurality of floating image display devices comprises:
a floating image display module having a first upper assembling surface and a first lower assembling surface oppositely disposed, and comprising a first pin located on the first lower assembling surface, and the floating image display module configured to form a floating image; and
a signal processing module having a second upper assembling surface and a second lower assembling surface oppositely disposed, and a lateral assembling surface, and comprising a plurality of second pins located on the second upper assembling surface and at least one lateral pin located on the lateral assembling surface, wherein one of the plurality of second pins is detachably connected to the first pin, and the signal processing module is configured to identify the floating image display module according to a position of the first pin corresponding to the plurality of second pins, and transmit a display signal associated with the floating image to the floating image display module through the first pin,
wherein each of the plurality of floating image display devices is laterally connected to each other through the at least one lateral pin.

### Claim 12 (depends on 11)

The assemblable floating image display array of claim 11, wherein at least one of the plurality of floating image display devices further comprises:
a sensing module having a third upper assembling surface and a third lower assembling surface oppositely disposed, and comprising a fourth pin located on the third lower assembling surface and a plurality of fifth pins located on the third upper assembling surface, wherein the sensing module is configured to sense whether there is a testing object within a range corresponding to the floating image and generate a sensing signal, and the signal processing module is further configured to receive the sensing signal and update and transmit the display signal to the floating image display module when the sensing signal indicates that the testing object is within the range.

### Claim 13 (depends on 12)

The assemblable floating image display array of claim 12, wherein at least one of the plurality of floating image display devices further comprises:
a feedback module having a fourth upper assembling surface and a fourth lower assembling surface oppositely disposed, and comprising a sixth pin located on the fourth lower assembling surface and a plurality of seventh pins located on the fourth upper assembling surface, wherein the signal processing module is further configured to receive the sensing signal to update and transmit the display signal to the floating image display module and/or to generate and transmit a feedback signal to the feedback module, and the feedback module is configured to give feedback to the testing object according to the feedback signal.

### Claim 14 (depends on 11)

The assemblable floating image display array of claim 11, wherein the at least one lateral pin of each of the plurality of floating image display devices comprises two lateral plug pins and two lateral receptacle pins.

### Claim 15 (depends on 11)

The assemblable floating image display array of claim 11, wherein when a first one of the plurality of floating image display devices is connected to a second one of the plurality of floating image display devices through the at least one lateral pin, the signal processing module of the first one transmits a positioning signal to the signal processing module of the second one through the at least one lateral pin, and the display signal is associated with the positioning signal.

### Claim 16 (depends on 11)

The assemblable floating image display array of claim 11, wherein when a first one of the plurality of floating image display devices is connected to a second one of the plurality of floating image display devices through the at least one lateral pin, the signal processing module of the first one and the signal processing module of the second one update the display signal.

### Claim 17 (depends on 11)

The assemblable floating image display array of claim 11, wherein when a first one of the plurality of floating image display devices is connected to a second one of the plurality of floating image display devices through the at least one lateral pin, an angle between a first lower assembling surface of the first one and a second lower assembling surface of the second one is adjustable, and a range of the floating image is associated with the angle.

### Claim 18 (depends on 17)

The assemblable floating image display array of claim 17, wherein the lateral assembling surface of each of the plurality of floating image display devices further comprises a rotatable connection mechanism with a hinge, a rotating shaft, or an adjustable base.

### Claim 19 (depends on 11)

The assemblable floating image display array of claim 11, wherein the signal processing module of each of the plurality of floating image display devices is disposed on a stringing motherboard through the second lower assembling surface, and the signal processing module obtains coordinate information according to a position where the signal processing module is located on the stringing motherboard.

### Claim 20 (depends on 11)

The assemblable floating image display array of claim 11, wherein the floating image display module of each of the plurality of floating image display devices has an edge light guide area.