Patent ID: 11953782
Assignee: LG DISPLAY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. A display panel comprising:
a display panel layer;
a composite sheet layer directly attached to a bottom of the display panel layer; and
a case configured to form external appearances of the display panel layer and the composite sheet layer,
wherein the composite sheet layer comprises:
an adhesive layer comprising a plurality of beads; and
a light diffusion layer disposed below the adhesive layer,

wherein the adhesive layer comprises:
a first layer comprising an adhesive material;
a plurality of beads disposed in the form of a single layer on the first layer; and
a second layer disposed on the plurality of beads and the first layer and comprising the adhesive material,

wherein the light diffusion layer comprises:
two support layers facing each other; and
a plurality of prisms formed between the support layers,

and wherein the display panel comprises:
a light recycling layer disposed between the adhesive layer and the light diffusion layer; and
a photoactive layer disposed below the adhesive layer.