IP Library › Granted Patent US 11,367,857
Granted Patent B2
US 11,367,857 · App. 16/907,233 · Granted Jun 21, 2022

Display device having cover window

Inventor: Jae-Ho Jung (Daegu, KR)
Assignee: LG DISPLAY CO., LTD.
H01L51/5253H01L27/323H01L27/3244H01L51/524H01L51/5281H01L27/14678H01L51/5246H01L51/5284H01L51/5293
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Quick Facts
Patent No.
US 11,367,857
App. No.
16/907,233
Granted
Jun 21, 2022
Kind
B2
Abstract

A display device includes a display panel; a polarizing film disposed on the display panel; a touch film disposed on the polarizing film; a light control film disposed on the touch film; a barrier film disposed over the polarizing film; and a cover window disposed on the barrier film.

Claims (21)

1. A display device comprising:

a cover window;

a display panel arranged on a rear surface of the cover window;

a barrier film arranged between the display panel and the cover window; and

an optical film arranged between the barrier film and the display panel,

wherein the optical film includes a light control film configured to adjust an angle of light emitted from the display panel towards the cover window.

2. The display device according to claim 1 , wherein the barrier film comprises:

a first coating layer arranged on the rear surface of the cover window;

a bonding layer configured to adhere the first coating layer to the cover window;

a black masking layer arranged on a rear surface of the first coating layer; and

a second coating layer arranged on a rear surface of the black masking layer.

3. The display device according to claim 2 , wherein the black masking layer has a black masking part corresponding to a non-display area of the display panel.

4. The display device according to claim 3 , wherein the black masking part is located at a first area and a second area has no black masking part, and the first and second areas have a same thickness.

5. The display device according to claim 2 , wherein the first coating layer and the second coating layer include polyethylene terephthalate (PET).

6. The display device according to claim 1 , wherein the cover widow includes at least one of polycarbonate (PC) and polymethyl methacrylate (PMMA).

7. The display device according to claim 1 , wherein the barrier film is adhered to the cover window through an in-molding method when the cover window is formed.

8. The display device according to claim 1 , further comprising a first adhesive layer adhered to a rear surface of the barrier film,

wherein the light control film is adhered to a rear surface of the first adhesive layer.

9. The display device according to claim 8 , further comprising a second adhesive layer, a touch film and a third adhesive layer,

wherein the second adhesive layer is arranged on a rear surface of the light control film, the touch film is arranged on a rear surface of the second adhesive layer, and the third adhesive layer is arranged on a rear surface of the touch film.

10. The display device according to claim 9 , wherein the optical film further includes a polarizing film interposed between the third adhesive layer and the display panel.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 20, 2020
From: JUNG, JAE-HO
To: LG DISPLAY CO., LTD.
Reel/Frame 052995/0221 →
Priority Claims (1)
KR 10-2019-0074066 · Jun 21, 2019 · national
Continuity (1)
Related Publication 20200403181A1 · Dec 24, 2020