IP Library › Granted Patent US 12,648,100
Granted Patent B2
US 12,648,100 · App. 17/142,629 · Granted Jun 2, 2026

Cover window and method of manufacturing the same

Inventors: Dong-Sung Lee (Hwaseong-si, KR); Yongkyu Kang (Hwaseong-si, KR); Jihyun Ko (Suwon-si, KR); Hyunseung Seo (Gwacheon-si, KR); Hui yeon Shon (Seongnam-si, KR); Hyunkyung Yun (Namyangju-si, KR); Changmoo Lee (Suwon-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
H05K5/03G02B1/14
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Quick Facts
Patent No.
US 12,648,100
App. No.
17/142,629
Granted
Jun 2, 2026
Kind
B2
Abstract

A cover window includes a base member which includes a top surface, a bottom surface opposite to the top surface, and a side surface connecting the top surface and the bottom surface to each other, a first hard coating layer on the top surface of the base member, and a protection layer in direct contact with at least a portion of the side surface of the base member.

Claims (20)

1 . A cover window, comprising:

a base member which includes a top surface, a bottom surface opposite to the top surface, and a side surface connecting the top surface and the bottom surface, wherein the side surface includes a first part which extends from the bottom surface and a second part which extends from the top surface, and the second part is inclined in a direction from the top surface to the bottom surface;

a first hard coating layer disposed on the top surface of the base member and exposing the side surface of the base member;

a second hard coating layer disposed under an entirety of the bottom surface,

a protection layer directly disposed on at least the second part extending from the top surface and inclined in the direction from the top surface to the bottom surface; and

a light-shield pattern disposed under the second hard coating layer,

wherein the light-shield pattern is in contact with a portion of the second hard coating layer overlapping the inclined second part of the base member in a plan view and spaced from the first hard coating layer, and at least a portion of the protection layer is in contact with the second part.

2 . The cover window of claim 1 , wherein the protection layer covers the first hard coating layer.

3 . The cover window of claim 1 , wherein the protection layer exposes the first hard coating layer.

4 . The cover window of claim 1 , further comprising an anti-fingerprint layer which covers the protection layer and overlaps the top surface in the plan view.

5 . The cover window of claim 1 , further comprising:

a transmission area; and

a bezel area of which optical transmittance is less than an optical transmittance of the transmission area,

wherein the light-shield pattern defines a boundary between the transmission area and the bezel area.

6 . The cover window of claim 1 ,

wherein the first part is perpendicular to the bottom surface at a point in which the first part directly contacts the bottom surface, and

wherein the second part is a curved surface.

7 . The cover window of claim 1 , wherein the side surface is curved.

8 . The cover window of claim 1 , wherein the protection layer includes polysilazane.

9 . The cover window of claim 1 , wherein the protection layer includes at least one selected from silicon nitride (SiNx), silicon oxide (SiOx), and silicon oxynitride (SiOxNy).

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2021
From: LEE, DONG-SUNG; KANG, YONGKYU; KO, JIHYUN; SEO, HYUNSEUNG; SHON, HUI YEON; YUN, HYUNKYUNG; LEE, CHANGMOO
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 056274/0705 →
Priority Claims (1)
KR 10-2020-0030712 · Mar 12, 2020 · national
Continuity (1)
Related Publication 20210289648A1 · Sep 16, 2021
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