# US 11,029,524 B2 · Display device

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- Number: US 11,029,524 B2
- Document ID: US11029524B2
- Status: Granted
- Kind: B2
- Application number: 16/265,474
- Filed: 2019-02-01
- Published: 2019-08-15
- Granted: 2021-06-08
- Earliest claimed: 2018-02-09
- Assignees: Beijing Xiaomi Mobile Software Co., Ltd.
- Applicants: Beijing Xiaomi Mobile Software Co., Ltd.
- Inventors: Hao Jiang
- Web page: https://patentgrep.com/patent/US11029524B2

## CPC

- G02B 27/0176: {characterised by mechanical features}
- G06F 1/163: {Wearable computers, e.g. on a belt}
- G06F 3/011: {Arrangements for interaction with the human body, e.g. for user immersion in virtual reality (blind teaching G09B21/00)}
- G09G 5/006: {Details of the interface to the display terminal (specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04)}
- H04R 1/1091: {Details not provided for in groups H04R1/1008 - H04R1/1083}
- G02B 2027/0138: {comprising image capture systems, e.g. camera}
- G02B 2027/014: {comprising information/image processing systems}
- G02B 2027/015: {involving arrangement aiming to get less bulky devices}
- G02B 2027/0161: {characterised by the relative positioning of the constitutive elements}
- G02B 2027/0169: {Supporting or connecting means other than the external walls}
- G02B 2027/0178: {Eyeglass type (eyeglass details G02C)}
- G02C 11/10: {Electronic devices other than hearing aids}
- G09G 2354/00: Aspects of interface with display user
- G09G 2370/16: Use of wireless transmission of display information
- H04R 2420/07: Applications of wireless loudspeakers or wireless microphones
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- 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)
- H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K)
- G02C: SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES (trial frames for testing the eyes A61B3/04; goggles or eyeshields not having the same features as spectacles A61F9/00)

## Abstract

The present disclosure relates to a display device, including an optical imaging assembly and a neck wearable assembly. The optical imaging assembly is mounted on a head-mounted assembly, and is configured to present a virtual image to a user when the user wears the head-mounted assembly on the user's head. The neck wearable assembly is wearable on the user's neck, and is configured to obtain the virtual image and provide the virtual image to the optical imaging assembly for presenting.

## Claims

### Claim 1

A display device, comprising:
a head-mounted assembly wearable on a user's head;
an optical imaging assembly, mounted on the head-mounted assembly, and configured to present a virtual image to the user when the user wears the head-mounted assembly on the user's head; and
a neck wearable assembly, wearable on the user's neck, and configured to obtain the virtual image and provide the virtual image to the optical imaging assembly for presenting,
wherein the neck wearable assembly includes different hard structures spatially separated from each other, and a deformable part is formed between adjacent hard structures,
wherein the deformable part is not provided with a hard structure inside, and an external wrapping structure of the deformable part is made of flexible material, such that the deformable part is adaptive to the user's neck curve, to achieve adaptive matching of the neck wearable assembly as a whole to the user's neck curve,
wherein the neck wearable assembly is configured to obtain the virtual image and provide the virtual image to the optical imaging assembly, and
wherein, when the neck wearable assembly fails to provide the virtual image to the optical imaging assembly, the optical imaging assembly is configured to obtain a basic virtual image for presenting, or the head-mounted assembly is configured to obtain the basic virtual image and to supply the basic virtual image to the optical imaging assembly for presenting, wherein acquisition difficulty of the basic virtual image is lower than acquisition difficulty of the virtual image.

### Claim 2 (depends on 1)

The display device according to claim 1, wherein:
the optical imaging assembly is detachably mounted on the head-mounted assembly; or
the optical imaging assembly and the head-mounted assembly form an integrated structure.

### Claim 3 (depends on 1)

The display device according to claim 1, further comprising:
a data connection line, coupled to the optical imaging assembly and the neck wearable assembly, to transmit the virtual image obtained by the neck wearable assembly to the optical imaging assembly.

### Claim 4 (depends on 3)

The display device according to claim 3, wherein:
a first end of the data connection line is coupled to the optical imaging assembly, and a second end of the data connection line is coupled to the neck wearable assembly;
when the user wears the display device, the first end of the data connection line is located at or near a rear part of the user's head, and the second end of the data connection line is located at or near a rear part of the user's neck.

### Claim 5 (depends on 4)

The display device according to claim 4, wherein:
the head-mounted assembly comprises a frame, the frame has a built-in transmission line, a first end of the transmission line is coupled to the optical imaging assembly, and a second end of the transmission line is coupled to the first end of the data connection line through an end of at least one temple on the frame.

### Claim 6 (depends on 1)

The display device according to claim 1, wherein:
the optical imaging assembly comprises a first wireless communication module, the neck wearable assembly comprises a second wireless communication module, and a wireless communication connection is established between the first wireless communication module and the second wireless communication module;
the optical imaging assembly is configured to obtain the virtual image obtained by the neck wearable assembly through the wireless communication connection.

### Claim 7 (depends on 1)

The display device according to claim 1, further comprising:
a power connection line, coupled to a main power module in the neck wearable assembly and the optical imaging assembly, to make the main power module to supply power to the optical imaging assembly.

### Claim 8 (depends on 7)

The display device according to claim 7, further being configured to supply power to the optical imaging assembly when the main power module fails to supply power to the optical imaging assembly.

### Claim 9 (depends on 8)

The display device according to claim 8, further being configured to supply power to an auxiliary power module through the power connection line.

### Claim 10 (depends on 1)

The display device according to claim 1, wherein:
the neck wearable assembly has a U shape;
when the neck wearable assembly is worn on the user's neck, a bottom of the U shape is located at a rear part of the user's neck, and two ends and an opening of the U shape are located at the user's chest.

### Claim 11 (depends on 10)

The display device according to claim 10, wherein:
at least one end of the neck wearable assembly is provided with an operation response area, and the operation response area is configured to respond to a trigger operation of the user, to implement a corresponding operation function.

### Claim 12 (depends on 11)

The display device according to claim 11, wherein the operation response area is provided with at least one of a button, a knob, or a touch pad, to sense the trigger operation of the user.

### Claim 13 (depends on 1)

The display device according to claim 1, wherein the shape of the neck wearable assembly is fitted to the user's neck curve; or
the shape of the neck wearable assembly is variable, to be adaptive to the user's neck curve when the neck wearable assembly is worn on the user's neck.

### Claim 14 (depends on 1)

The display device according to claim 1, wherein the neck wearable assembly comprises:
a rear neck part, located at the rear part of the user's neck when the neck wearable assembly is worn on the user's neck;
a first front part, located at one side of the user's chest when the neck wearable assembly is worn on the user's neck;
a second front part, located at another side of the user's chest when the neck wearable assembly is worn on the user's neck;
a first deformable part, coupled between the rear neck part and the first front part, and adaptive to one side of the user's neck curve when the neck wearable assembly is worn on the user's neck; and
a second deformable part, coupled between the rear neck part and the second front part, and adaptive to another side of the user's neck curve when the neck wearable assembly is worn on the user's neck,
wherein the rear neck part, the first front part, and the second front part are configured to mount the hard structures, and
wherein the first deformable part and the second deformable part are not provided with hard structures inside, and external wrapping structures of the first deformable part and the second deformable part are made of flexible material, such that the first deformable part and the second deformable art are adaptive to the user's neck curve, to achieve adaptive matching of the neck wearable assembly as a whole to the user's neck curve.

### Claim 15 (depends on 1)

The display device according to claim 1, further being configured to sense scene content viewed by the user, and send the scene content to the neck wearable assembly, to make the neck wearable assembly to obtain the virtual image fitting to the scene content.

### Claim 16 (depends on 1)

The display device according to claim 1, further being configured to collect an instruction issued by the user, and send the instruction to the neck wearable assembly, to make the neck wearable assembly to perform a processing operation corresponding to the instruction.

### Claim 17 (depends on 1)

The display device according to claim 1, wherein:
the neck wearable assembly is provided with a speaker, to play audio to the user through the speaker; or
the neck wearable assembly is provided with an earphone jack, to play audio to the user through an earphone inserted into the earphone jack; or
the neck wearable assembly is coupled to a wireless earphone to play audio to the user through the wireless earphone.

### Claim 18 (depends on 1)

The display device according to claim 1, further comprising the head-mounted assembly, wherein the head-mounted assembly is provided with at least one of a decorative lens, a vision correction lens, or an optical lens having preset characteristics in the frame.

### Claim 19 (depends on 1)

The display device according to claim 1, wherein the display device is an augmented reality display device.
