Apple launches new patent: revolutionary rechargeable photoluminescent keyboard to improve typing experience under low light conditions

According to the latest news, the U.S. Trademark and Patent Office public list shows that Apple recently successfully obtained a new patent for an electronic device keyboard. This patent focuses on an innovative rechargeable photoluminescent keyboard system designed to significantly improve user input experience in low-light environments. The introduction of this technology will bring users a more convenient and comfortable keyboard input experience.

Apple pointed out that traditional keyboard backlight systems usually use active light sources such as light-emitting diodes, and transmit light through the optical system to the top of the keys to display graphics. However, this backlight method will inevitably consume device power and affect battery life performance. To solve this problem, Apple has developed a new rechargeable photoluminescent keyboard system.

According to the editor’s understanding, this rechargeable luminescent material can be charged using light sources such as natural sunlight, ambient lighting, or computing device displays. When the ambient light is sufficient, these materials absorb and store light energy; in low-light or no-light environments, they can release the stored light to provide backlight for the keyboard. This method not only reduces the power consumption of the device by the keyboard backlight, but also helps to extend the overall battery life of the device.

This patent image shows how Apple can apply rechargeable light-emitting materials to the keyboard. Figure 2 shows a scene where the luminescent material covers the entire keyboard, while Figure 3 presents a specific example, including components such as sensors and microcontrollers. These diagrams are very helpful for us to more intuitively understand the working principle and potential applications of this new patent.

The report also mentioned that Apple could further improve this system by monitoring or tracking the properties of rechargeable light-emitting materials. For example, the keyboard assembly can integrate a light sensor to detect light intensity in real time, thereby estimating the amount of light received by the rechargeable luminescent material, and then dynamically adjust the backlight brightness. This intelligent adjustment function will bring users a more comfortable and personalized input experience.

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