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Advertisement light emitting device

A technology for light-emitting devices and advertising, applied in circuit devices, instruments, electrical components, etc., can solve the problems that advertising boxes or display curtain walls cannot be repaired, LED lights are easily damaged, and production costs are high, so as to facilitate installation, subsequent maintenance, and transmission. High efficiency and low cost effect

Inactive Publication Date: 2016-12-07
张志福
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when installing LED lamp beads on the current advertising boxes or display curtain walls, it is usually necessary to drill holes to fix them, and also need to drill holes to arrange wires, and then connect to conduction, which leads to high production costs; in addition, LED lamps are easily damaged in high temperature environments. After the LED lamp beads are damaged, it is almost impossible to repair the advertising box or display curtain wall, and even if it is repaired, it is very complicated

Method used

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  • Advertisement light emitting device

Examples

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Effect test

Embodiment 1

[0031] This embodiment provides an advertising lighting device, which includes a display curtain wall, colorful LED lamp beads, an external power supply, an integrated step-down circuit board, a transmitting coil, an oscillating circuit, a driving circuit, a transmitting terminal resonance circuit, a first modulation circuit and a second modulation circuit. A signal processing unit, a receiving coil, a receiving end resonant circuit, a rectifying circuit, a second modulation circuit, a second signal processing unit and a microprocessor,

[0032] Among them, the wire diameter of the transmitting coil is 1mm, the coil diameter is 800mm, and the number of turns is 5 turns; the wire diameter of the receiving coil is 1mm, the coil diameter is 1mm, and the number of turns is 15 turns, and the receiving coil and the transmitting coil maintain the same resonance frequency The colorful LED lamp beads are pasted on the display curtain wall, and the colorful LED lamp beads are connected i...

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PUM

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Abstract

The invention provides an advertisement light emitting device. The advertisement light emitting device comprises an advertisement display body and a display element and further comprises an external power supply, a voltage reducing circuit, a transmitting coil and a receiving coil; the display element is stuck to the advertisement display body, the receiving coil is arranged on the advertisement display body, the display element is electrically connected with the receiving coil, the external power supply is electrically connected with the voltage reducing circuit, the voltage reducing circuit is electrically connected with the transmitting coil, the transmitting coil transmits an alternating-current signal to the receiving coil, the receiving coil receives the alternating-current signal transmitted by the transmitting coil and converts the alternating-current signal into electric energy to drive the display element, and the receiving coil and the transmitting coil keep the same resonant frequency.

Description

technical field [0001] The invention belongs to the technical field of three-dimensional advertisements, and in particular relates to an advertisement lighting device. Background technique [0002] With the rapid development of science and technology, people are putting more and more advertisements on the market, and the forms are more and more diversified. Commonly used for broadcasting advertisements are TV sets, advertising boxes, and display walls. The current advertising boxes or display curtain walls mostly use LEDs, and the LED lamp beads are arranged in an array form, and the display of patterns or characters is realized by controlling the light emission of the LED lamp beads. However, when installing LED lamp beads on the current advertising boxes or display curtain walls, it is usually necessary to drill holes to fix them, and also need to drill holes to arrange wires, and then connect to conduction, which leads to high production costs; in addition, LED lamps are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32H02J50/12
CPCG09G3/32
Inventor 何建军
Owner 张志福