US 12,066,596 B2
Cover window, method of manufacturing cover window, and display device
Ji Hyun Ko, Suwon-si (KR); Hyun Seung Seo, Suwon-si (KR); Dong Sung Lee, Suwon-si (KR); Yong Kyu Kang, Hwaseong-si (KR); Hui Yeon Shon, Seongnam-si (KR); and Hyun Kyung Yun, Namyangju-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jun. 28, 2021, as Appl. No. 17/359,979.
Claims priority of application No. 10-2020-0118774 (KR), filed on Sep. 16, 2020.
Prior Publication US 2022/0082732 A1, Mar. 17, 2022
Int. Cl. G02B 1/14 (2015.01); H04M 1/02 (2006.01)
CPC G02B 1/14 (2015.01) [H04M 1/0266 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A cover window, comprising:
a base layer;
a first coating layer on the base layer; and
a second coating layer on the first coating layer,
wherein, in a cross-sectional view, an entirety of the first coating layer is disposed between the base layer and the second coating layer,
the first coating layer directly contacts a first part of an upper surface of the base layer and exposes a second part of the upper surface of the base layer,
the upper surface of the base layer consists of the first part and the second part, and
the second coating layer directly contacts the second part of the upper surface of the base layer exposed by the first coating layer, and an upper surface of the first coating layer,
wherein the base layer includes:
a first surface;
a second surface facing the first surface; and
a third surface connected to the first surface and the second surface and including a surface inclined downward from the second surface toward the first surface,
wherein the upper surface of the base layer includes the second surface and a part of the third surface,
wherein the third surface includes a first portion connected to the second surface and a second portion between the first portion and the first surface, and
the first portion and the second portion have different shapes from each other,
wherein the first portion includes a curved surface, and
the second portion includes a flat surface extending along a thickness direction of the base layer,
wherein the first coating layer directly contacts the second surface of the base layer and a first part of the first portion of the third surface, and does not directly contact a second part of the first portion of the third surface,
the first portion consists of the first and second parts thereof, and
the second coating layer directly contacts the second part of the first portion of the third surface.