Abstract: A cholesterol liquid crystal display device integrated with solar modules includes a first transparent substrate, a second transparent substrate, a first cholesterol liquid crystal module and a solar module. The first cholesterol liquid crystal module is arranged between the first transparent substrate and the second transparent substrate. The solar module is arranged between the first transparent substrate and the first cholesterol liquid crystal module. Therefore, the cholesterol liquid crystal display device of the present invention does not need a backlight module. By combining the light transmission characteristics of the cholesterol liquid crystal display device with the coating process characteristics of the solar module, the cholesterol liquid crystal display device with energy conservation and environmental protection is formed.

Abstract: An electronic system including an image sensor, a face detection engine, an eye detection engine and an eye protection engine is provided. The image sensor captures an image. The face detection engine recognizes a user face in the image. The eye detection engine recognizes user eyes in the image. The eye protection engine turns off a display device when the user eyes are recognized in the image but the user face is not recognized in the image.

Abstract: An electronic device includes a casing defining a first opening and a through hole, a first antenna, a first cover, and a camera module. The first antenna is mounted in the casing and whose position corresponds to the position of the first opening. The first cover is detachably fixed in the first opening and covering the first antenna. The camera module is mounted in the casing and includes a lens module received in the through hole for converging light incident thereon. The first antenna and the camera module are arranged in a first line, the first cover being fixed in the first opening is separated from the camera module by a first predetermined distance in a first direction parallel with the first line.

Abstract: An electronic device includes a casing defining a first opening and a through hole, a first antenna, a first cover, and a camera module. The first antenna is mounted in the casing and whose position corresponds to the position of the first opening. The first cover is detachably fixed in the first opening and covering the first antenna. The camera module is mounted in the casing and includes a lens module received in the through hole for converging light incident thereon. The first antenna and the camera module are arranged in a first line, the first cover being fixed in the first opening is separated from the camera module by a first predetermined distance in a first direction parallel with the first line.