Display device
AssigneeJapan Display Inc.
InventorsKen Onoda, Shinichi Komura, Koichi Okuda, Hiroaki Kijima
Life of this patent
Estimating the term…
Abstract
According to one embodiment, a display device includes a display panel, a first light guide, and a second light guide. In the first light guide, a first main surface includes a first plane and first grooves between the first plane and a first side surface, a second main surface includes second grooves orthogonal to the first grooves, and a second plane between the second grooves and the first side surface. In the second light guide, a third main surface includes a third plane and third grooves located between the third plane and a fourth side surface, a fourth main surface includes fourth grooves orthogonal to the third grooves, and a fourth plane located between the fourth grooves and the fourth side surface.
Claims14
A display device comprising:
- a display panel configured to display an image;
- a first light guide having a first main surface opposed to the display panel, a second main surface on a side opposite to the first main surface, a first side surface, and a second side surface on a side opposite to the first side surface;
- a second light guide having a third main surface opposed to the second main surface, a fourth main surface on a side opposite to the third main surface, a third side surface close to the first side surface, and a fourth side surface located on a side opposite to the third side surface and close to the second side surface;
- a plurality of first light sources opposed to the first side surface;
- and
- a plurality of second light sources opposed to the fourth side surface, wherein
- the first main surface includes a first plane and a plurality of first grooves located between the first plane and the first side surface,
- the second main surface includes a plurality of second grooves opposed to the first plane and orthogonal to the first grooves, and a second plane located between the second grooves and the first side surface,
- the third main surface includes a third plane and a plurality of third grooves located between the third plane and the fourth side surface and parallel to the first grooves, and
- the fourth main surface includes a plurality of fourth grooves opposed to the third plane and orthogonal to the third grooves, and a fourth plane located between the fourth grooves and the fourth side surface.
Dependencies are inferred from the claim text.