Photobiomodulation therapy (PBMT) with LLLT phototherapy has been shown to have a positive effect on the skin diseases and rejuvenation. Studies of PBM treatments have mainly used lasers and light-emitting diodes (LEDs) as light sources, and despite the advantages of organic light-emitting diodes (OLEDs), their use in PBM treatments is limited. Although OLEDs are promising next-generation wearable light source for PBMT, there is a lack of validated evidence on their of skin diseases therapy. To confirm the healing effects o OLEDs on skin diseases, we conducted a study on the therapeutic effect of OLED irradiation using animal models of atopic dermatitis and psoriasis. Our findings provide valid evidence for the healing effect of Red-OLED light sources on chronic skin diseases and suggest advances in the field of PBMT therapy.
As society's interest in beauty and wellness continues to grow, there has been a rapid expansion in the wearable device market. This growth is particularly evident in the ongoing development of healthcare devices to address the rising demand for non-invasive light treatments. Many existing devices in this field are still bulky and rely on single-point light sources, which limits their ability to uniformly treat larger areas, and can cause heat-related issues. To overcome these challenges, researchers are turning to OLED-based platforms as a promising solution [1]. OLEDs, which are predominantly used in flexible and free-form displays, are at the forefront of the next generation of display technology, and offer potential advances in the field of light treatments and wearable healthcare devices.
Photobiomodulation therapy (PBMT), including wound healing, is the treatment that promotes biochemical reactions on the site by irradiating light to the skin. The devices using point light sources, such as light-emitting diodes (LEDs) and lasers have been used for treatment so far, but they have various disadvantages such as low flexibility, relatively heavy, and uneven effects. Recently, OLED, a next-generation light source, has the inherent advantages of uniform irradiation, flexible shape, and low heat generation, which is ideal for wearable PBMT light sources. In this paper, a wearable device using red OLED was developed, and the OLED light source observed and confirmed wound healing and inflammatory response through animal experiments and cell proliferation experiments. Our findings suggest that the OLED based this technology, which has been applied in the display, combined with the field of skin therapy may promise advances in PBMT and other medical fields.
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