US 12,436,421 B2
Display device
Noriyuki Itou, Kanagawa (JP)
Assigned to SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., Shanghai (CN)
Filed by Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai (CN)
Filed on Dec. 6, 2023, as Appl. No. 18/530,678.
Claims priority of application No. 2022-209740 (JP), filed on Dec. 27, 2022.
Prior Publication US 2024/0210746 A1, Jun. 27, 2024
Int. Cl. G02F 1/1333 (2006.01)
CPC G02F 1/13336 (2013.01) [G02F 1/133308 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A display device comprising:
a support substrate;
a first display panel that is bonded to a first face of the support substrate with a first bonding region; and
a second display panel that is bonded to the first face of the support substrate with a second bonding region,
wherein the first display panel includes a first glass substrate,
wherein the second display panel includes a second glass substrate,
wherein a first end face of the first glass substrate and a second end face of the second glass substrate are opposed to each other without being bonded together,
wherein the first end face is a convex curved surface with a cross-section of a convex arc,
wherein the first end face and the second end face are in linear contact, and
wherein the first end face and the second end face have a surface roughness Ra not higher than 0.5 μm.