# US 11,122,222 B2 · Wearable apparatus, anti-peeping display system and anti-peeping display method

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,122,222 B2
- Document ID: US11122222B2
- Status: Granted
- Kind: B2
- Application number: 16/470,431
- Filed: 2018-03-29
- Published: 2019-11-07
- Granted: 2021-09-14
- Earliest claimed: 2017-06-19
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd.
- Inventors: Wenbo Li
- Web page: https://patentgrep.com/patent/US11122222B2

## CPC

- G06F 21/84: output devices, e.g. displays or monitors
- H04N 13/332: Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- G02B 27/01: Head-up displays
- G06F 21/602: {Providing cryptographic facilities or services}
- H04N 5/33: Transforming infrared radiation (cameras or camera modules for generating image signals from infrared radiation H04N23/20; circuitry of SSIS for transforming infrared radiation into image signals H04N25/20)
- H04N 13/25: using two or more image sensors with different characteristics other than in their location or field of view, e.g. having different resolutions or colour pickup characteristics; using image signals from one sensor to control the characteristics of another sensor
- H04N 23/20: for generating image signals from infrared radiation only
- G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED]
- G09G 3/36: using liquid crystals
- G09G 2358/00: Arrangements for display data security
- G09G 2370/18: Use of optical transmission of display information
- H04N 2213/008: Aspects relating to glasses for viewing stereoscopic images
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- 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

A wearable apparatus, an anti-peeping display system and an anti-peeping display method are disclosed. The anti-peeping display system includes a display apparatus and a wearable apparatus, the display apparatus is configured to display infrared images, the wearable apparatus acquires the infrared images and converts the infrared images to original images, and the original images are visible images.

## Claims

### Claim 1

A wearable apparatus, comprising:
at least one infrared camera for acquiring infrared images;
a controller for generating at least one original image according to the infrared images; and
at least one display screen for displaying the at least one original image;
wherein the at least one original image is at least one visible image, and the at least one original image comprises a same image for realizing a two-dimensional display, or the at least one original image comprises two images having different viewing angles and for realizing a three-dimensional display, the infrared images are encrypted infrared images,
the controller comprises a decryptor, the decryptor is for decrypting the encrypted infrared images or controlling the at least one infrared camera to decrypt the encrypted infrared images.

### Claim 2 (depends on 1)

The wearable apparatus according to claim 1, further comprising:
at least one imaging element, at a display side of the at least one display screen and for imaging the at least one original image so as to generate at least one display image, wherein the at least one imaging element is further to control a distance between the at least one display image and the at least one display screen, so that the at least one display image is located at a display region of a display apparatus providing the infrared images,
wherein the at least one display image is at least one upright and enlarged virtual image of the at least one original image.

### Claim 3 (depends on 2)

The wearable apparatus according to claim 2, wherein the at least one imaging element comprises a liquid crystal lens structure with an adjustable focal length.

### Claim 4

An anti-peeping display system, comprising:
a display apparatus for displaying infrared images;
at least one infrared camera for acquiring the infrared images;
a controller for generating at least one original image according to the infrared images; and
at least one display screen for displaying the at least one original image;
wherein the at least one original image is at least one visible image, and the at least one original image comprises a same image for realizing a two-dimensional display, or the at least one original image comprises two images having different viewing angles and for realizing a three-dimensional display,
the display apparatus comprises an encryptor for encrypting the infrared images so as to generate encrypted infrared images; and
the controller further comprises a decryptor for decrypting the encrypted infrared images or controlling the at least one infrared camera to decrypt the encrypted infrared images.

### Claim 5 (depends on 4)

The anti-peeping display system according to claim claim 4, wherein the infrared images comprise N initial image frames, N is a positive integer larger than or equal to 1,
the encryptor is for generating an inverse image of each of the N initial image frames, the encrypted infrared images comprise 2N image frames, a (2K-1)-th image frame of the encrypted infrared images is a K-th initial image frame of the infrared images, and a 2K-th image frame of the encrypted infrared images is an inverse image of the (2K-1)-th image frame of the encrypted infrared images, wherein K is a positive integer larger than or equal to 1, and 1≤K≤N;
the decryptor is for controlling a sampling frequency of the at least one infrared camera to be same as a display frequency of the initial image frames, and controlling the at least one infrared camera to only acquire odd-numbered image frames of the encrypted infrared images.

### Claim 6 (depends on 5)

The anti-peeping display system according to claim 5, wherein the display apparatus comprises an infrared projector for providing the encrypted infrared images; or
the display apparatus is an organic electroluminescent display apparatus, and comprises a plurality of pixel regions, and each of the plurality of pixel regions comprises an organic electroluminescent element for emitting infrared light; or
the display apparatus is a liquid crystal display apparatus, and comprises a backlight source for providing infrared light.

### Claim 7 (depends on 4)

The anti-peeping display system according to claim 4, wherein the display apparatus comprises an infrared projector for providing the encrypted infrared images; or
the display apparatus is an organic electroluminescent display apparatus, and comprises a plurality of pixel regions, and each of the plurality of pixel regions comprises an organic electroluminescent element for emitting infrared light; or
the display apparatus is a liquid crystal display apparatus, and comprises a backlight source for providing infrared light.

### Claim 8

An anti-peeping display method, comprising:
encrypting, by a display apparatus, infrared images to generate encrypted infrared images;
displaying, by the display apparatus, the encrypted infrared images;
acquiring, by at least one infrared camera, the encrypted infrared images, and generating original images according to the infrared images;
decrypting the encrypted infrared images to acquire the infrared images;
converting the infrared images into the original images; and
displaying, by a display screen, the original images.

### Claim 9 (depends on 8)

The anti-peeping display method according to claim 8, further comprising:
imaging, via an imaging element, the original images displayed by the display screen so as to generate display images to be provided to a user; and
controlling a distance between the display images and the display screen, so that the display images are located at a display region of the display apparatus.

### Claim 10 (depends on 9)

The anti-peeping display method according to claim 9, wherein the imaging element comprises a lens structure, and the controlling the distance between the display images and the display screen comprises:
controlling the display images to be upright and enlarged virtual images of the original images and controlling the distance between the display images and the display screen, by controlling a focal length of the lens structure.

### Claim 11 (depends on 8)

The anti-peeping display method according to claim 8, wherein the infrared images comprise N initial image frames, and N is a positive integer larger than or equal to 1;
the encrypting the infrared images to generate encrypted infrared images comprises:
generating an inverse image of each of the N initial image frames; and
generating the encrypted infrared images, wherein the encrypted infrared images comprise 2N image frames, a (2K-1)-th image frame of the encrypted infrared images is a K-th initial image frame of the infrared images, and a 2K-th image frame of the encrypted infrared images is an inverse image of the (2K-1)-th image frame of the encrypted infrared images, wherein K is a positive integer larger than or equal to 1, and 1≤K≤N;
the decrypting the encrypted infrared images to acquire the infrared images comprises:
controlling a sampling frequency of the at least one infrared camera to be same as a display frequency of the original images; and
controlling the at least one infrared camera to only acquire odd-numbered image frames of the encrypted infrared images.