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US 12,298,622 B2Granted
Display panel including composite sheet
AssigneeLG Display Co., Ltd.
InventorInwha Lee
Life of this patent
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Abstract
The present disclosure relates to a display panel including a composite optical sheet that can replace the existing optical sheet and diffusion plate.
Claims14
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 including a plurality of beads;
- and
- a light diffusion layer below the adhesive layer,
- wherein the adhesive layer comprises:
- a first layer including an adhesive material;
- a second layer on the first layer, the second layer including an adhesive material that is a same as the adhesive material of the first layer;
- and
- a plurality of beads between the first layer and the second layer,
- wherein a thickness of the first layer is greater than a thickness of the second layer based on a virtual line passing through a center of the plurality of beads, and
- wherein the first layer contacts the second layer, and
- wherein the plurality of beads contacts the first layer and the second layer, respectively.
13 more elements
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 including a plurality of beads;
- and
- a light diffusion layer below the adhesive layer,
- wherein the adhesive layer comprises:
- a first layer including an adhesive material;
- a second layer on the first layer and including an air bubble and an adhesive material that is a same as the adhesive material included in the first layer;
- and
- a plurality of beads between the first layer and the second layer,
- wherein the air bubble is between adjacent ones of the plurality of beads,
- wherein the first layer contacts the second layer, and
- wherein the plurality of beads contacts the first layer and the second layer, respectively.
13 more elements
Dependencies are inferred from the claim text.