IP Library Granted Patent US 12,468,203
Granted Patent B2
US 12,468,203 · App. 18/734,172 · Granted Nov 11, 2025

Display apparatus and counter substrate

Inventor: Jin Hirosawa (Tokyo, JP)
Assignee: Magnolia White Corporation
G02F1/1368G02F1/136222
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Quick Facts
Patent No.
US 12,468,203
App. No.
18/734,172
Granted
Nov 11, 2025
Kind
B2
Abstract

Performance of a display apparatus is improved. A display apparatus includes: an array substrate including a switching element; and a counter substrate facing the array substrate. In this case, the counter substrate includes: a substrate having a light transmitting property; and an overcoat film being in contact with the substrate, and the overcoat film is made of a plurality of types of films having different refractive indexes.

Claims (22)

1 . A display apparatus comprising:

an array substrate including a switching element;

a scan line connected to a gate of the switching element and a signal line connected to a source of the switching element;

a counter substrate facing the array substrate; and

a liquid crystal layer disposing between the array substrate and the counter substrate,

wherein the counter substrate includes:

a substrate having a light transmitting property;

an overcoat film on the substrate; and

an orientation film arranged on the overcoat film and in contact with the liquid crystal layer,

wherein the overcoat film includes a first insulating film having a first refractive index and a second insulating film having a second refractive index,

wherein the second refractive index is lower than the first refractive index,

wherein the second insulating film is provided along the scan line, and

wherein the second insulating film is patterned in stripe.

2 . The display apparatus according to claim 1 ,

wherein the second insulating film includes:

a first surface being in contact with the substrate; and

a second surface opposite to the first surface, and

an area of the second surface is larger than an area of the first surface.

3 . The display apparatus according to claim 1 ,

wherein a color filter is provided on the array substrate.

4 . The display apparatus according to claim 1 ,

wherein a color filter is provided on the counter substrate.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 26, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 071527/0585 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 5, 2024
From: HIROSAWA, JIN
To: JAPAN DISPLAY INC.
Reel/Frame 067626/0837 →
Priority Claims (1)
JP 2023-100745 · Jun 20, 2023 · national
Continuity (1)
Related Publication 20240427207A1 · Dec 26, 2024
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