US 11,893,197 B2
Digitizer and electronic apparatus including the same
Yongchan Jeon, Cheonan-si (KR); Hirotsugu Kishimoto, Hwaseong-si (KR); and Chul Ho Jeong, Seoul (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Jan. 12, 2023, as Appl. No. 18/096,270.
Claims priority of application No. 10-2022-0031190 (KR), filed on Mar. 14, 2022.
Prior Publication US 2023/0289021 A1, Sep. 14, 2023
Int. Cl. G06F 3/046 (2006.01)
CPC G06F 3/046 (2013.01) [G06F 2203/04102 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic apparatus comprising:
a display panel including first and second non-folding areas arranged in a first direction and a folding area disposed between the first and second non-folding areas, wherein the folding area is foldable about a folding axis extending in a second direction crossing the first direction; and
a digitizer disposed under the display panel,
wherein the digitizer comprises:
base layers, each including a folding part which overlaps the folding area and in which holes are defined, a first non-folding part overlapping the first non-folding area, and a second non-folding part overlapping the second non-folding area;
a first group coil including first to fourth sensing coils, each including a first portion overlapping the first non-folding part and extending in the first direction, a second portion overlapping the second non-folding part and extending in the first direction, and a third portion overlapping the folding part and surrounding a portion of each of corresponding holes of the holes; and
a second group coil insulated from the first group coil,
wherein two or fewer third portions are disposed in a same layer between holes adjacent to each other in the second direction among the holes.