KR102679070B1 - 터치 센서 및 이를 포함하는 표시 장치 - Google Patents
터치 센서 및 이를 포함하는 표시 장치 Download PDFInfo
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- KR102679070B1 KR102679070B1 KR1020160134538A KR20160134538A KR102679070B1 KR 102679070 B1 KR102679070 B1 KR 102679070B1 KR 1020160134538 A KR1020160134538 A KR 1020160134538A KR 20160134538 A KR20160134538 A KR 20160134538A KR 102679070 B1 KR102679070 B1 KR 102679070B1
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Classifications
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- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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Abstract
본 발명에 따른 표시 장치는, 표시 패널; 상기 표시 패널의 상부에 위치하며, 터치에 의한 압력을 감지하여 상기 터치의 위치 및 세기를 산출하는 터치 센서; 및 상기 터치 센서의 상부에 위치하는 도전층을 포함하며, 상기 터치 센서는, 제1 전극들; 상기 제1 전극들과 이격되며, 상기 제1 전극들과 정전용량을 형성하는 제2 전극들; 및 상기 제1 전극들과 상기 제2 전극들 사이에 위치하는 탄성 부재를 포함하고, 상기 터치에 의한 압력에 대응하여 상기 탄성 부재가 변형됨에 따라 생성된 정전용량 변화량을 획득할 수 있다.
Description
도 2는 본 발명의 일 실시예에 의한 표시 패널을 나타낸 도면이다.
도 3은 본 발명의 일 실시예에 의한 터치 센서를 나타낸 평면도이다.
도 4는 도 3에 도시된 영역 S에서의 단면도를 나타낸 것이다.
도 5a 내지 도 5c는 도 3 및 도 4에 도시된 터치 센서의 동작을 설명하기 위한 도면이다.
도 6은 도 1에 도시된 표시 장치를 보다 구체적으로 나타낸 도면이다.
도 7은 본 발명의 다른 실시예에 따른 표시 장치를 개략적으로 도시한 단면도이다.
도 8a 내지 도 8d는 도 1에 도시된 도전층을 나타낸 평면도이다.
도 9는 본 발명의 실시예에 따른 터치 센서를 개략적으로 나타낸 단면도이다.
10: 터치 센서
20: 표시 패널
40, 40', 40'': 도전층
Claims (19)
- 표시 패널;
상기 표시 패널의 상부에 위치하며, 터치에 의한 압력을 감지하여 상기 터치의 위치 및 세기를 산출하는 터치 센서; 및
상기 터치 센서의 상부에 위치하는 제1 도전층;
상기 터치 센서 상에 배치된 편광판; 및
상기 터치 센서와 상기 편광판 사이에 배치된 제2 도전층을 포함하며,
상기 터치 센서는,
제1 전극들;
상기 제1 전극들과 이격되며, 상기 제1 전극들과 정전용량을 형성하는 제2 전극들; 및
상기 제1 전극들과 상기 제2 전극들 사이에 위치하는 탄성 부재를 포함하고,
상기 제1 도전층은 상기 터치 센서에 대향되는 상기 편광판의 표면 상에 배치되며,
상기 터치에 의한 압력에 대응하여 상기 탄성 부재가 변형됨에 따라 생성된 정전용량 변화량을 획득하는 표시 장치. - 제1항에 있어서,
상기 제2 전극들은, 상기 제1 전극들과 상기 표시 패널 사이에 위치하는 표시 장치. - 제1항에 있어서,
상기 제1 전극들 및 상기 제2 전극들은 투명 도전성 물질을 포함하는 표시 장치. - 제1항에 있어서,
상기 탄성 부재는 투명 절연성 물질을 포함하는 표시 장치. - 제1항에 있어서,
상기 제1 도전층에 접지 전압이 인가되는 표시 장치. - 제1항에 있어서,
상기 제1 도전층은 플로팅(floating) 상태인 표시 장치. - 제1항에 있어서,
상기 제1 도전층은 투명 도전성 물질을 포함하는 표시 장치. - 제1항에 있어서,
상기 제1 도전층의 면 저항은 1000Ω/□ 이하인 표시 장치. - 제1항에 있어서,
상기 편광판 상에 위치하는 윈도우를 더 포함하고,
상기 제1 도전층은,
상기 편광판과 상기 윈도우 사이에 위치하는 표시 장치. - 삭제
- 제1 전극들;
상기 제1 전극들과 이격되며, 상기 제1 전극들과 정전 용량을 형성하는 제2 전극들;
상기 제1 전극들과 상기 제2 전극들 사이에 위치하고, 터치에 의한 압력에 대응하여 변형되는 탄성 부재; 및
상기 제1 전극들 상부에 위치하는 도전층을 포함하며,
상기 도전층은 소정의 형상을 갖는 개구를 포함하며,
상기 탄성 부재가 변형됨에 따라 발생하는 정전 용량 변화량이 반영된 감지 신호들을 획득하여, 상기 터치의 위치 및 세기를 산출하는 터치 센서. - 제11항에 있어서,
상기 제1 전극들 및 상기 제2 전극들은 투명 도전성 물질을 포함하는 터치 센서. - 제11항에 있어서,
상기 탄성 부재는 투명 절연성 물질을 포함하는 터치 센서. - 제11항에 있어서,
상기 감지 신호들은 상기 제1 전극들로부터 출력되는 터치 센서. - 제11항에 있어서,
상기 도전층은 투명 도전성 물질을 포함하는 터치 센서. - 제11항에 있어서,
상기 제1 전극들은, 상기 제2 전극들과 상기 도전층 사이에 위치하는 터치 센서. - 제11항에 있어서,
상기 도전층에 접지 전압이 인가되는 터치 센서. - 제11항에 있어서,
상기 도전층은 플로팅(floating) 상태인 터치 센서. - 제11항에 있어서,
상기 터치가 전도성 터치 도구에 의해 입력되는 경우, 상기 도전층은 상기 제2 전극들로부터 상기 전도성 터치 도구로 전하가 이동하는 것을 차단하는 터치 센서.
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US15/610,383 US10296149B2 (en) | 2016-10-17 | 2017-05-31 | Touch sensor configured to detect touch pressure and display device including the same |
CN201710904696.4A CN107957806B (zh) | 2016-10-17 | 2017-09-29 | 触摸传感器、包括其的显示装置以及触摸屏显示器 |
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