Data transmitting method, data receiving method and device and system thereof

Patent metadata

Field	Value
Publication number	US-10217353-B2
Application number	US-201615327412-A
Country	US
Kind code	B2
Filing date	Jun 20, 2016
Priority date	Nov 2, 2015
Publication date	Feb 26, 2019
Grant date	Feb 26, 2019

Abstract

A data transmitting method, a data receiving method and the related device and system are provided. The data transmitting device includes a display screen, a first determination module, configured to determine one or more transmitting regions of the display screen, and a transmitting module, configured to transmit, by controlling a display of the one or more transmitting regions, target data in a format of a machine language via optical signals. The data receiving device includes a panel on which a plurality of optical sensors is arranged, a second determination module, configured to determine one or more receiving regions of the panel each corresponding to one or more of the optical sensor, and a receiving module, configured to receive, through each optical sensor in the one or more receiving regions, target data in a format of a machine language transmitted via optical signals.

First claim

What is claimed is:

1. A data transmitting device, comprising:
a display screen;
a first determination circuit, configured to determine one or more transmitting regions of the display screen; and
a transmitting circuit, configured to transmit, by controlling the one or more transmitting regions, target data in a format of a machine language via optical signals,
wherein each of the one or more transmitting regions corresponds to at least two sub-pixels of the display screen; and
the transmitting circuit is configured to transmit, by controlling a display grayscale of each sub-pixel in the one or more transmitting regions, the target data in the format of the machine language via the optical signals, wherein display grayscales of the at least two sub-pixels corresponding to any one of the one or more transmitting regions are same.

2. The data transmitting device according to claim 1 , wherein
the machine language is a binary language, and the transmitting circuit comprises:
a compiling sub-circuit, configured to convert the target data into a format of a binary language defined by a light-emitting state and a lighting-off state of each sub-pixel in the one or more transmitting regions; and
a transmitting sub-circuit, configured to control each sub-pixel in the one or more transmitting regions to emit light or be lighted off based on the converted target data.

3. The data transmitting device according to claim 1 , wherein
the machine language is a denary language, and the transmitting circuit comprises:
a compiling sub-circuit, configured to convert the target data into a format of a denary language defined by ten levels of display grayscales of each sub-pixel in the one or more transmitting regions; and
a transmitting sub-circuit, configured to control, based on the converted target data, each sub-pixel in the one or more transmitting regions to emit light in accordance with a corresponding display grayscale.

4. The data transmitting device according to claim 1 , wherein the data transmitting device is a mobile phone or a tablet computer.

5. A data receiving device, comprising:
a panel on which a plurality of optical sensors is arranged;
a second determination circuit, configured to determine one or more receiving regions of the panel each corresponding to one or more of the optical sensors; and
a receiving circuit, configured to receive, through each optical sensor in the one or more receiving regions, target data in a format of a machine language transmitted from one or more transmitting regions of a display screen of a data transmitting device via optical signals, wherein the one or more transmitting regions correspond to the one or more receiving regions in a one-to-one manner,
wherein the receiving circuit comprises:
a control sub-circuit, configured to control each optical sensor in the one or more receiving regions to identify a display grayscale of each sub-pixel in the one or more transmitting regions, to receive the optical signals, wherein each optical sensor in the one or more receiving regions is configured to generate corresponding electrical signals after receiving the optical signals, each of the one or more transmitting regions corresponds to at least two sub-pixels of the display screen, and display grayscales of the at least two sub-pixels corresponding to any one of the one or more transmitting regions are same.

6. The data receiving device according to claim 5 , wherein the receiving circuit further comprises:
a converting sub-circuit, configured to determine the target data in the format of the machine language based on the electrical signals generated by each optical sensor in the one or more receiving regions.

7. The data receiving device according to claim 6 , wherein each of the plurality of optical sensors comprises:
a photosensitive transistor and a switch transistor, wherein a source electrode and a drain electrode of the switch transistor are electrically connected to an output electrode of the photosensitive transistor and an input end of the converting sub-circuit respectively, and a gate electrode of the switch transistor is electrically connected to an output end of the converting sub-circuit.

8. The data receiving device according to claim 6 , wherein
the converting sub-circuit is further configured to determine the target data in the format of the machine language based on a state of generating the electrical signals and a state of generating no electrical signal of each optical sensor in the one or more receiving regions.

9. The data receiving device according to claim 6 , wherein
the converting sub-circuit is further configured to determine the target data in the format of the machine language based on ten different voltages of the electrical signals received by each optical sensor in the one or more receiving regions.

10. A data transmitting method applied to the display screen of the data transmitting device according to claim 1 , comprising:
determining the one or more transmitting regions of the display screen; and
transmitting, by controlling the one or more transmitting regions, the target data in the format of the machine language via the optical signals.

11. The method according to claim 10 , wherein
each of the one or more transmitting regions corresponds to at least two sub-pixels of the display screen;
the transmitting, by controlling a display of the one or more transmitting regions of the display screen, target data in a format of a machine language via optical signals comprises:
transmitting, by controlling a display grayscale of each sub-pixel in the one or more transmitting regions, the target data in the format of the machine language via the optical signals.

12. The method according to claim 11 , wherein
the machine language is a binary language, and the transmitting, by controlling a display grayscale of each sub-pixel in the one or more transmitting regions, the target data in the format of the machine language via the optical signals comprises:
converting the target data into a format of a binary language defined by a light-emitting state and a lighting-off state of each sub-pixel in the one or more transmitting regions; and
controlling each sub-pixel in the one or more transmitting regions to emit light or be lighted off based on the converted target data.

13. The method according to claim 11 , wherein
the machine language is a denary language, and the transmitting, by controlling a display grayscale of each sub-pixel in the one or more transmitting regions, the target data in the format of the machine language via the optical signals comprises:
converting the target data into a format of a denary language defined by ten levels of the display grayscales of each sub-pixel in the one or more transmitting regions; and
controlling, based on the converted target data, each sub-pixel in the one or more transmitting regions to emit light in accordance with a corresponding display grayscale.

14. A data receiving method applied to the data receiving device according to claim 5 , wherein the data receiving method comprises:
determining the one or more receiving regions of the panel each corresponding to the one or more of the optical sensors; and
receiving, through each optical sensor in the one or more receiving regions, the target data in the format of the machine language transmitted via the optical signals.

15. The method according to claim 14 , wherein
the receiving, through each optical sensor in the one or more receiving regions, target data in a format of a machine language transmitted via optical signals comprise

Assignees

• Boe Technology Group Co Ltd

Inventors

• Guan Feng
• Cao Zhanfeng
• Li Zhengliang
• Yao Qi
• Gu Yaohui

Classifications

• H04B10/116

  Visible light communication · CPC title

• G05B15/02

  electric · CPC title

• G08C23/04 Primary

  using light waves, e.g. infrared · CPC title

• G06F3/1438 Primary

  using more than one graphics controller · CPC title

• G06F3/1415

  with means for detecting differences between the image stored in the host and the images displayed on the displays · CPC title