Today, Yuepu Optoelectronics shares: What are the main advantages of LED dimmable bulbs

LED dimmable bulbs achieve dynamic adjustment of brightness and color temperature through built-in drive circuits and dimming technologies (such as PWM, 0-10V, DALI, etc.). Their core advantages are reflected in five dimensions: scene adaptability, health and comfort, energy efficiency management, service life, and intelligent interaction, as detailed below:

1. Dynamic scene adaptation to meet diverse demands

The brightness can be adjusted steplessly to adapt to all-day lighting

Supports continuous brightness adjustment from 0.1% to 100% (traditional LED bulbs only have a fixed brightness). For example, in the early morning scene: gradually increase the brightness from 10% to 80%, simulating the sunrise light to wake up the body. Compared with the stress response of suddenly turning on the light, it reduces melatonin inhibition by 30%, improving the comfort of getting up.

Nighttime reading: Adjust the brightness to 30%-50% to avoid visual fatigue caused by direct strong light. Research shows that the visual fatigue of readers in adjustable light environments is 42% lower than that in fixed brightness.

Adjustable color temperature (CCT) creates an emotional light environment

Warm light mode (2700-3000K) : If you adjust to 2700K warm light before going to bed, it can increase the secretion of melatonin by 58% and shorten the time to fall asleep (clinical data shows that the average time to fall asleep in a warm light environment drops from 45 minutes to 28 minutes).

Cold light mode (5000-6500K) : In office Settings, using 6500K cold white light can enhance concentration. Experiments show that the task completion efficiency of employees in a cold light environment is 15-20% higher than that of a fixed 3000K light source.

Scenario-based preset mode

High-end products support memory storage functions, allowing for the saving of custom scenes such as "Movie viewing Mode" (15% brightness + 4000K neutral light) and "Party Mode" (80% brightness + 3500K warm white light), with a switching speed of less than 0.5 seconds, which is 10 times more efficient than manual adjustment.

Second, upgrade health lighting to safeguard physiological rhythms

Flicker-free dimming technology

High-frequency PWM dimming (≥3000Hz) or linear constant current dimming is adopted to avoid the low-frequency flicker (such as below 100Hz) of traditional low-end dimming bulbs. Studies show that high-frequency dimming can reduce visual fatigue by 67%, making it particularly suitable for long-term eye usage scenarios such as children's rooms and art studios.

Dynamic lighting simulates natural light

Some products support "circadian rhythm" dimming. You can set the 24-hour light curve through the APP: in the morning, it automatically switches to 6500K high color temperature + 80% brightness, simulating the morning sun to wake up your body.

In the evening, gradually reduce to 3000K warm light plus 30% brightness to assist in the secretion of melatonin.

Measured data show that office workers who use dynamic dimming have a 53% lower incidence of circadian rhythm disorders and an increase of 1.2 hours per night in deep sleep time.

Low blue light hazard (RG0 exemption level)

During the dimming process, the peak wavelength of blue light is maintained at > 480nm (the peak wavelength of blue light for traditional leds is mostly 450nm), and the blue light radiation flux is ≤100W/m², which complies with the IEEE PAR 1789 non-hazardous level standard and is suitable for long-term close-range lighting (such as bedside lamps, makeup mirrors).

Iii. Energy efficiency optimization to reduce energy consumption costs

Use energy as needed and achieve precise energy conservation

Brightness has a linear relationship with power consumption: for instance, when a 10W bulb is set to 50% brightness, its actual power consumption is only 5W, saving 50% of the electricity compared to a fixed-brightness bulb for the same usage duration.

In commercial Settings, by linking the dimming system with human body sensors, the brightness automatically drops to 5% for standby when people leave the room, which can reduce energy consumption in public areas by 30-40%.

Dimming compatibility and energy efficiency standards

Dimming bulbs that support DALI (Digital Addressable Lighting Interface) can be connected to the intelligent Building Management System (BMS) to achieve dynamic optimization of lighting energy consumption for the entire building. According to statistics from the European Union, commercial buildings that adopt DALI dimming have reduced lighting energy consumption by more than 25% compared to traditional systems.

Products that meet the Energy Star® dimming certification have a luminous efficacy of ≥80lm/W within the brightness range of 20%-100%, and are 10-15% more energy-efficient than non-dimming LED bulbs.

Fourth, extend the lifespan of lamps and reduce maintenance costs

Low-brightness operation reduces light attenuation

When operating at 50% brightness for a long time, the junction temperature of the LED chip is reduced by 15-20℃ compared to full load, and the light attenuation rate is slowed down by 40%. Measured data shows that the luminous flux maintenance rate of dimmable bulbs is ≥85% after 50,000 hours, while that of fixed-brightness bulbs is only 70%.

Soft start and current protection

The dimmer drive is equipped with an internal surge suppression circuit, with a starting current of no more than 1.5 times the rated current (the starting current of traditional bulbs can reach 3 to 5 times), reducing filament impact and extending the bulb's lifespan by 20 to 30% (the average lifespan has been increased from 25,000 hours to 35,000 hours).

V. Intelligent Interaction and System Expansion

Multi-terminal control mode

Supports direct connection of Bluetooth Mesh/Wi-Fi and remote dimming through mobile phone apps (such as Tuya, Home Assistant), with a distance of up to 50 meters (in an open environment). For instance, after leaving home, users can adjust the lights to the "Away from Home Mode" (5% brightness + random brightness changes) through the APP to simulate someone being at home and reduce the risk of theft.

Connect with other intelligent devices

It is linked with the voice Assistant (Alexa/Google Assistant) to realize voice commands such as "adjust the color temperature to 4000K" and "adjust the brightness to 30%", with a response delay of less than 1 second.

Connect the illuminance sensor to automatically adjust the brightness to maintain a constant ambient illuminance (for example, set the office illuminance to always be maintained at 500lux), reducing the frequency of manual intervention by up to 80%.

Yuepu Optoelectronic Technology was established in 2024 and is a subsidiary of Guangzhou Jinyi Electrical Appliance Co., Ltd. and the Guangdong sales headquarters of Jiangsu Houmulai Lighting Technology Co., LTD. It is a solution provider integrating R&D, production and sales of LED light sources, lighting fixtures, smart products, Internet of Things smart software and other series of products, as well as offering comprehensive lighting solutions.

The company is based in China and looks to the world. It adheres to the five major principles of health, safety, aesthetics, economy and technology, and segments the characteristics and demands of domestic and foreign markets to be a source of love and green light.