IP Library Granted Patent US 12674079
Granted Patent B2
US 12674079 · App. 18/088,130 · Granted Jul 7, 2026

Adhesive material and display apparatus

Inventor: Yeo-O Youn (Paju-si, KR)
Assignee: LG DISPLAY CO., LTD.
C09J7/30C09J7/10C09J11/04H10K59/65H10K59/8793H10K71/00H10K71/80H10K77/111C09J2203/326C09J2301/416C09J2400/146C09J2400/228H10K59/1201H10K2102/311
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Quick Facts
Patent No.
US 12674079
App. No.
18/088,130
Granted
Jul 7, 2026
Kind
B2
Abstract

A display apparatus can include a plate, a display panel on the plate to display an image, a polarizing plate on the display panel, a first film on the polarizing plate, a front member on the first film, and wherein at least one adhesive layer, wherein the at least one adhesive layer includes a monomer, an oligomer, a photoinitiator and a nano-inorganic particle, and wherein an amount of the monomer is 70 wt % or more, and an amount of the oligomer is 20 wt % or less in the at least one adhesive layer.

Claims (30)

1 . A display apparatus which is foldable, comprising:

a plate;

a display panel on the plate to display an image;

a polarizing plate on the display panel;

a first film on the polarizing plate;

a front member on the first film;

at least one adhesive layer;

a hole in an optical component area in the display apparatus, and an optical component in the hole; and

at least one opening in a folding area, which is spaced apart from the optical component area, in the display apparatus,

wherein at least one adhesive layer includes at least one of a first adhesive layer between the plate and the display panel, a second adhesive layer between the display panel and the polarizing plate, a third adhesive layer between the polarizing plate and the first film, and a fourth adhesive layer between the first film and the front member,

wherein the at least one adhesive layer includes a monomer, an oligomer, a photoinitiator and a nano-inorganic particle, and

wherein an amount of the monomer is 70 wt % or more, and an amount of the oligomer is 20 wt % or less in the at least one adhesive layer.

2 . The display apparatus of claim 1 , wherein the front member includes glass.

3 . The display apparatus of claim 1 , wherein the front member includes a second film.

4 . The display apparatus of claim 1 , wherein the front member includes a plastic film.

5 . The display apparatus of claim 1 , further comprising a black matrix on an edge region of the first film.

6 . The display apparatus of claim 1 , further comprising a protective member on the front member, wherein protective member includes:

a protective film; and

a coating layer on a top surface of the protective film.

7 . The display apparatus of claim 6 , wherein the protective member further includes a functional layer at the coating layer.

8 . The display apparatus of claim 6 , wherein the protective member further includes a functional layer, and the functional layer includes at least one of an anti-fingerprint layer, an anti-contamination layer, and an anti-glare layer.

9 . The display apparatus of claim 1 ,

wherein the at least one opening is in a plurality of slit shapes along a vertical direction to a folding direction of the display apparatus.

10 . The display apparatus of claim 9 , wherein the hole is formed in at least one of the plate, the display panel, the polarizing plate and the first film.

11 . The display apparatus of claim 9 , wherein the at least one opening is in the plate.

12 . The display apparatus of claim 1 , wherein an adhesive material to form the at least one of the adhesive layers has a viscosity of 25 cps or less.

13 . The display apparatus of claim of claim 1 , wherein the nano-inorganic particle is a nano-silica particle.

14 . The display apparatus of claim 10 , wherein the hole penetrates through the plate, the display panel, the polarizing plate, the first film, and the first to fourth adhesive layers, and

wherein the at least one opening penetrates through the plate and the first adhesive layer.

15 . The display apparatus of claim 14 , wherein the display panel has no opening in the folding area.