Granted Patent B2

US 12,353,093 · App. 18/138,980 · Granted Jul 8, 2025

Inventors: Nicholas A. Johnson (Burnsville, MN); Encai Hao (Woodbury, MN); Matthew M. Philippi (St. Paul, MN)

Assignee: 3M INNOVATIVE PROPERTIES COMPANY

G02F1/133607G02F1/133536G02F1/133605

Abstract

Claims (13)

1. A display assembly comprising:

a liquid crystal panel;

and

a light control film bonded to a view side of the liquid crystal panel by an optical adhesive, the light control film comprising:

a light input surface and a light output surface opposite the light input surface, and

alternating transmissive and absorptive regions disposed between the light input surface and the light output surface, wherein the absorptive regions have an aspect ratio of at least 30;

wherein the optical adhesive comprises a diffusing optical adhesive comprising a polymeric matrix and polymeric particles comprising polymer beads, the diffusing optical adhesive bonding the light input surface of the light control film to the liquid crystal panel.

2. The display assembly of claim 1 , wherein the diffusing optical adhesive has a clarity of less than 70% and a haze of less than 60%.

3. The display assembly of claim 1 , wherein the duty cycle of the light control film is from 70% to 99.9%.

4. The display assembly of claim 1 , wherein the diffusing optical adhesive is a pressure sensitive adhesive.

5. The display assembly of claim 1 , wherein the diffusing optical adhesive is a structural adhesive.

6. An automotive display system, comprising the display assembly of claim 1 disposed behind a cover glass of the automotive display system.

7. The automotive display system of claim 6 , further comprising a backlight, wherein the display assembly is disposed between the backlight and the cover glass of the automotive display system.

Continuity (3)

References Cited (66)