Information collection module and apparatus with induction coil and a rectifying circuitry

Patent metadata

Field	Value
Publication number	US-12505783-B2
Application number	US-202318840550-A
Country	US
Kind code	B2
Filing date	Sep 28, 2023
Priority date	Oct 31, 2022
Publication date	Dec 23, 2025
Grant date	Dec 23, 2025

Abstract

The present disclosure provides an information collection module and an information collection apparatus. The information collection module includes: a substrate including a display region, a light-emitting unit being distributed in the display region; and an induction coil and a rectifying circuitry arranged on the substrate, the induction coil being electrically coupled to electrodes of the light-emitting unit via the rectifying circuitry, the rectifying circuitry being configured to rectify a current.

First claim

What is claimed is:

1 . An information collection module, comprising:
a substrate comprising a display region, a light-emitting unit being distributed in the display region; and an induction coil and a rectifying circuitry arranged on the substrate, the induction coil being electrically coupled to electrodes of the light-emitting unit via the rectifying circuitry, wherein the rectifying circuitry comprises a rectifier bridge, one end of the induction coil is electrically coupled to a first end of the rectifier bridge, the other end of the induction coil is electrically coupled to a second end of the rectifier bridge, a first electrode of the light-emitting unit is electrically coupled to a third end of the rectifier bridge, and a second electrode of the light-emitting unit is electrically coupled to a fourth end of the rectifier bridge, or the rectifying circuitry comprises a rectifier diode through which the induction coil is electrically coupled to the electrodes of the light-emitting unit.

2 . The information collection module according to claim 1 , wherein the rectifying circuitry comprises a thin film transistor,
wherein the thin film transistor comprises: an active layer, and a first electrode and a second electrode coupled to the active layer, one end of the induction coil being electrically coupled to the first electrode, the second electrode being electrically coupled to a first electrode of the light-emitting unit, and the other end of the induction coil being electrically coupled to a second electrode of the light-emitting unit; and a control electrode electrically coupled to any one of the first electrode and the second electrode.

3 . The information collection module according to claim 2 , wherein at least one induction coil is coupled to a plurality of thin film transistors, the first electrode of each of the thin film transistors is electrically coupled to an end of the induction coil, and the second electrode of each of the thin film transistors is electrically coupled to the first electrode or the second electrode of at least one corresponding light-emitting unit.

4 . The information collection module according to claim 2 , wherein the first electrode, the second electrode and the induction coil are arranged on a same layer.

5 . The information collection module according to claim 1 , wherein the quantity of induction coils is plural, and at least one induction coil is coupled to a plurality of light-emitting units.

6 . The information collection module according to claim 1 , wherein the quantity of induction coils is plural, and the light-emitting units coupled to at least two induction coils have different light-emitting frequencies.

7 . The information collection module according to claim 1 , wherein the quantity of induction coils is plural, each of the induction coils is coupled to at least one light-emitting unit, and at least two induction coils are different from each other.

8 . The information collection module according to claim 1 , wherein the quantity of induction coils is plural, and the quantity of light-emitting units coupled to at least two induction coils is different.

9 . The information collection module according to claim 1 , wherein at least one induction coil is coupled to a plurality of light-emitting units, and the electrodes of at least two light-emitting units are coupled to the induction coil at different positions.

10 . The information collection module according to claim 1 , wherein the quantity of induction coils is plural, and the quantity of induction coils coupled to at least two light-emitting units is different.

11 . The information collection module according to claim 1 , wherein the quantity of induction coils is plural, and the plurality of induction coils is arranged on a same layer.

12 . The information collection module according to claim 1 , wherein one end of the induction coil and a first electrode of the light-emitting unit are electrically coupled to one end of a voltage stabilizing capacitor, and the other end of the induction coil and a second electrode of the light-emitting unit are electrically coupled to the other end of the voltage stabilizing capacitor.

13 . An information collection apparatus, comprising the an information collection module; wherein the information collection module comprises:
a substrate comprising a display region, a light-emitting unit being distributed in the display region; and an induction coil and a rectifying circuitry arranged on the substrate, the induction coil being electrically coupled to electrodes of the light-emitting unit via the rectifying circuitry, wherein the rectifying circuitry comprises a rectifier bridge, one end of the induction coil is electrically coupled to a first end of the rectifier bridge, the other end of the induction coil is electrically coupled to a second end of the rectifier bridge, a first electrode of the light-emitting unit is electrically coupled to a third end of the rectifier bridge, and a second electrode of the light-emitting unit is electrically coupled to a fourth end of the rectifier bridge, or wherein the rectifying circuitry comprises a rectifier diode through which the induction coil is electrically coupled to the electrodes of the light-emitting unit.

14 . The information collection apparatus according to claim 13 , wherein the information collection apparatus comprises at least one of document, label, card, stamp, package or bottle.

15 . The information collection apparatus according to claim 13 , wherein the rectifying circuitry comprises a thin film transistor,
wherein the thin film transistor comprises: an active layer, and a first electrode and a second electrode coupled to the active layer, one end of the induction coil being electrically coupled to the first electrode, the second electrode being electrically coupled to a first electrode of the light-emitting unit, and the other end of the induction coil being electrically coupled to a second electrode of the light-emitting unit; and a control electrode electrically coupled to any one of the first electrode and the second electrode.

16 . The information collection apparatus according to claim 15 , wherein at least one induction coil is coupled to a plurality of thin film transistors, the first electrode of each of the thin film transistors is electrically coupled to an end of the induction coil, and the second electrode of each of the thin film transistors is electrically coupled to the first electrode or the second electrode of at least one corresponding light-emitting unit.

17 . The information collection apparatus according to claim 15 , wherein the first electrode, the second electrode and the induction coil are arranged on a same layer.

18 . The information collection apparatus according to claim 13 , wherein the quantity of induction coils is plural, and at least one induction coil is coupled to a plurality of light-emitting units.

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Technology Dev Co Ltd

Inventors

• Wen Mengyang
• Liu Libin
• Shi Shiming
• Wang Dawei
• Qiu Haijun

Classifications

• G09G2370/042

  for monitor identification · CPC title

• G09G2358/00

  Arrangements for display data security · CPC title

• G09G2330/021

  Power management, e.g. power saving · CPC title

• G09G2320/0233

  Improving the luminance or brightness uniformity across the screen · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title