18673352. DISPLAY DEVICE (Japan Display Inc.)
Contents
DISPLAY DEVICE
Organization Name
Inventor(s)
Toshihiro Yajima of Tokyo (JP)
Michihide Shibata of Tokyo (JP)
DISPLAY DEVICE
This abstract first appeared for US patent application 18673352 titled 'DISPLAY DEVICE
Original Abstract Submitted
The purpose is to reduce a color shift around an ultraviolet LED in a backlight using the ultraviolet LED and a QD sheet, viewed in a plane. The structure is: A display device having a display panel and a backlight, the backlight including a light source in which ultraviolet LEDs are arranged in a plane and in a matrix with a first interval, and a QD sheet covering the light source; the QD sheet being dispersed with red quantum dots, green quantum dots, and blue quantum dots, emitting light in response to ultraviolet light, the QD sheet having a first region and a second region arranged in a ring shape to surround the ultraviolet LED in a plan view, more of the red quantum dots, the green quantum dots, or the blue quantum dots being dispersed in the second region than in the first region.
