US 12,216,346 B2 · Lighting unit

Abstract

A display device includes a display panel including a polymer-dispersed liquid crystal layer between a pair of substrates, a transparent substrate disposed on at least one side of the display panel, and a lighting unit configured to project light from the side of the transparent substrate. The lighting unit includes at least one light source, at least one light guide incident with the light emitted from the light source, and a support member having an L-shaped cross section and extending along one side of the display panel to which the at least one light source and the at least one light guide are fixed. The at least one light source and the at least one light guide are disposed on different sides of the support member. The lighting unit is fixed to the transparent substrate or the display panel by the support member.

Claims19

Dependent claims

A lighting unit, comprising:

a support member including a first flat portion extending in a first direction and a second flat portion extending in a second direction intersecting the first direction;
light sources;
a wiring board mounted with the light sources on the first flat portion;
and
a light guide on the second flat portion,
wherein the light guide includes a first surface facing to the light source and a second surface opposite to the first surface,
wherein an outer edge portion of the second flat portion is located outside the second surface, and
wherein the support member includes a surface attached to a display panel on a side of the second flat portion opposite to the light guide side.

5 more elements

Dependencies are inferred from the claim text.

Lighting unit

Life of this patent

Lighting unit

Life of this patent

Abstract

Claims19