US 2021/0240291 A1Published application

Touch sensor

AssigneeSamsung Display Co., Ltd.

InventorGwang Bum KO

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Abstract

A touch sensor includes sensing blocks. Each of the sensing blocks includes first sensing cells of a first group, first sensing cells of a second group, and second sensing cells. The first sensing cells of the first group are arranged in a first direction, spaced apart from each other with first separation areas therebetween, and coupled to an identical first electrical node. The first sensing cells of the second group are arranged in the first direction, spaced apart from each other with second separation areas therebetween, and coupled to an identical second electrical node. The second sensing cells respectively extend in a second direction in the first separation areas and the second separation areas. First sensing cells at borders of respective sensing blocks adjacent in the first direction are coupled to different electrical nodes.

Claims20

Dependent claims

A touch sensor, comprising:

sensing blocks,
wherein each of the sensing blocks comprises:
first sensing cells of a first group that are arranged in a first direction, spaced apart from each other with first separation areas therebetween, and coupled to an identical first electrical node;
first sensing cells of a second group that are arranged in the first direction, spaced apart from each other with second separation areas therebetween, and coupled to an identical second electrical node;
and
second sensing cells respectively extending in a second direction in the first separation areas and the second separation areas,
wherein, in each group of the sensing blocks, an outermost first sensing cell in the first direction is one of outermost sensing cells of a sensing area in the first direction, and
wherein, in each group of the sensing blocks, an outermost first sensing cell in an opposite direction of the first direction is one of outermost sensing cells of the sensing area in the opposite direction of the first direction.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/215,867Filed 29 Mar 2021
Priority: KR 10-2019-00386552 Apr 2019
Published: 5 Aug 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

G06F 3/0412
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: digitisers structurally integrated in a display
G06F 3/04166
Control or interface arrangements specially adapted for digitisers: details of scanning methods, e.g. sampling time, grouping of sub areas or time…
G06F 3/044
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: by capacitive means
G06F 2203/04112
Indexing scheme relating to G06F3/041 - G06F3/045: electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very…

Family

Application16/809,484Continuation · filed 4 Mar 2020
Application17/215,867Continuation
US 10,963,084 B2Related patent
US 11,340,723 B2Related patent
US 2020/0319740 A1Published application
US 2021/0240291 A1This patent

From the US filing history. Foreign family members aren’t listed.

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