KR-20260066541-A - Energy-saving LED sign development technology

Abstract

Energy-saving LED signs reduce power consumption by automatically adjusting brightness according to external illumination and contribute to reduced operating costs and environmental protection by maintaining optimal visibility day and night.

Inventors

• 문병관
• 조윤상
• 김동진

Assignees

• 에이엠테크놀러지 주식회사

Dates

Publication Date

20260512

Application Date

20241104

Claims (1)

1. In an energy-saving LED signage system that minimizes energy consumption by automatically adjusting LED brightness according to changes in external illumination, The above system (i) A light sensor that detects external light levels, (ii) A control unit that automatically adjusts the LED brightness according to the signal received from the light sensor, (iii) includes a power supply unit that reduces external power consumption by supplying power through a battery module connected to a solar panel, and An LED signage system characterized by providing optimal visibility and energy efficiency under various environmental conditions, day and night.

Description

Energy-saving LED sign development technology Technologies for the efficient use of LED power include the use of low-power LEDs, smart brightness control, and sensor technology. Technology that reduces unnecessary energy waste by adjusting lighting brightness according to the situation is important. Technologies for developing systems capable of automatically adjusting illuminance, color temperature, and lighting duration include smart lighting and IoT technologies. For example, this includes sensor-based technologies that automatically adjust the brightness of signs by detecting the brightness of the surrounding environment. This technology enhances the durability of signs installed in outdoor environments and includes LED-related waterproofing, dustproofing, and heat dissipation technologies. It extends the lifespan of the product by minimizing the impact of temperature fluctuations, humidity, and dust. This technology optimizes the lifespan and performance of LEDs by effectively managing heat generation in LED signs, and includes heat sink design, thermal conductive materials, and natural/forced cooling technologies. This technology supplies power to LED signs using solar panels or small wind turbines, playing a role in helping signs that are continuously installed in outdoor environments become self-sufficient. These technological fields play a crucial role in the development and production of energy-saving LED signs, with energy efficiency, durability, and automatic control functions being treated as essential elements. Conventional LED lighting technology has become increasingly widely used in the lighting industry due to its low power consumption and long lifespan. LED signs were also developed to leverage these characteristics; however, basic LED systems lacked temperature or brightness control functions, resulting in issues with unoptimized energy efficiency. Sensor-based smart lighting control is a technology that automatically adjusts the sign's brightness to match the surrounding environment. For instance, light sensors or motion detection sensors increase brightness during nighttime or cloudy weather, while decreasing it during the day or in bright environments, thereby reducing unnecessary energy consumption. Technology that powers signs using solar panels provides a solution for self-sufficient energy supply without the need to connect to an external power grid. Utilizing solar energy contributes to reduced installation costs and simplified maintenance, making it particularly advantageous in remote areas or locations with demanding environmental conditions. Since LEDs are sensitive to heat, efficient thermal dissipation design is required. While heat management technologies using heat sinks or natural heat dissipation have traditionally been employed, it is crucial to ensure these methods extend LED lifespan and allow for stable operation even in high-temperature environments. Recently, the introduction of high-efficiency thermal conductive materials has further improved heat dissipation performance. Furthermore, IoT technology has enabled the remote control and monitoring of LED signs. This system helps minimize unnecessary energy consumption by monitoring and adjusting battery status, LED performance, and ambient light levels in real time. Battery technology capable of storing electricity, in addition to power generation via solar energy, plays a crucial role in the invention. Battery storage technology enables LED signs to operate reliably even in environments with changing weather or insufficient sunlight. These underlying technologies serve as a foundation that helps energy-saving LED signs develop in an efficient and sustainable manner, contributing to reduced maintenance costs and the conservation of energy resources. 1. Energy-efficient LED module design It uses high-efficiency LED chips to provide sufficient brightness even with low power. By applying heat dissipation systems such as heat sinks to minimize heat generation, the LED lifespan is extended and power consumption is reduced. If necessary, a special coating is added to the chip to enhance durability against external environments, and features such as UV blocking prevent performance degradation. 2. Smart Lighting Control System It reduces unnecessary power consumption by automatically adjusting LED brightness according to ambient light levels using a light sensor. For example, it reduces brightness during the day and increases it at night or on cloudy days to ensure readability. By adding motion detection sensors, LEDs turn on or brightness is adjusted when a person approaches or a vehicle moves, allowing for efficient energy management. 3. Integration of Solar Power and Battery Systems It generates its own power through solar panels and stores it in a battery during the day so that it can be used at night. The **Smart Battery Management System (BMS)** monitors the charge and discharge status of the battery and prevents overc