KR20160083627A - 인셀 터치 액정 디스플레이 장치와 이의 제조방법 - Google Patents
인셀 터치 액정 디스플레이 장치와 이의 제조방법 Download PDFInfo
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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Abstract
본 발명의 실시 예에 따른 인셀 터치 액정 디스플레이 장치는 픽셀이 픽셀 전극 탑(pixel electrode top) 구조로 형성되어 있어, 픽셀들 간의 혼색을 방지할 수 있다. 본 발명의 실시 예에 따른 인셀 터치 액정 디스플레이 장치의 제조방법은 TFT 어레이 기판을 제조에 필요한 마스크를 줄일 수 있어 제조 시간 및 제조 비용을 줄일 수 있다.
Description
도 2는 뮤추얼 정전용량 방식(mutual capacitive type)의 인셀 터치 액정 디스플레이 장치를 나타내는 도면이다.
도 3은 공통 전극 탑(Vcom top) 방식의 인셀 터치 디스플레이 장치의 제조공정을 개략적으로 나타내는 것으로, 제조공정에 소요되는 마스크의 개수를 나타내고 있다.
도 4는 본 발명의 실시 예에 따른 인셀 터치 액정 디스플레이 장치를 나타내는 것으로, TFT 어레이 기판에 배치된 픽셀의 단면 구조를 나타내고 있다.
도 5는 본 발명의 실시 예에 따른 인셀 터치 액정 디스플레이 장치의 제조방법을 개략적으로 나타내는 것으로, 제조공정에 소요되는 마스크의 개수를 나타내고 있다.
도 6 내지 도 15는 본 발명의 실시 예에 따른 인셀 터치 액정 디스플레이 장치의 제조방법을 나타내는 도면이다.
도 16은 터치 전극과 드라이브 IC(integrated circuit)을 연결시키는 전도성 라인의 배열 구조의 일 예를 나타내는 도면이다.
도 17은 터치 전극과 드라이브 IC(integrated circuit)을 연결시키는 전도성 라인의 배열 구조의 다른 예를 나타내는 도면이다.
105: 글래스 기판
110: 차광층
115: 버퍼층
120: 게이트 절연층
125: 층간 절연층
130: 소스 컨택부
135: 드레인 컨택부
140: 제1 보호층
145: 제2 보호층
150: 공통 전극
155: 제3 보호층
160: 전도성 라인
170: 픽셀 전극
190: 드라이브 IC
TFT: thin film transistor
G: 게이트 전극
ACT: 액티브층
S: 소스 전극
D: 드레인 전극
Claims (7)
- 복수의 픽셀 영역에 배치된 TFT(thin film transistor);
상기 TFT의 소스 전극과 접속된 소스 컨택부 및 드레인 전극과 접속된 드레인 컨택부;
상기 소스 컨택부 및 드레인 컨택부 상에 배치된 제1 보호층 및 제2 보호층;
상기 제2 보호층 상에 배치된 공통 전극;
상기 공통 전극 상에 배치된 제3 보호층;
상기 제3 보호층을 관통하여 상기 공통 전극과 중첩되도록 배치된 전도성 라인; 및
제1 컨택홀에서 상기 드레인 컨택부와 접속되어 상기 제3 보호층 상에 배치된 픽셀 전극;을 포함하는 인셀 터치 액정 디스플레이 장치. - 제1 항에 있어서,
상기 공통 전극을 노출시키는 제2 컨택홀에 상기 전도성 라인이 배치되어 상기 전도성 라인과 상기 공통 전극이 접속된 인셀 터치 액정 디스플레이 장치. - 제2 항에 있어서,
데이터 라인과 중첩된 영역에 상기 제2 컨택홀 및 전도성 라인이 형성된 인셀 터치 액정 디스플레이 장치. - 복수의 픽셀 영역에 TFT(thin film transistor)를 형성하는 단계;
상기 TFT의 소스 전극과 접속되는 소스 컨택부 및 드레인 전극과 접속되는 드레인 컨택부를 형성하는 단계;
상기 소스 컨택부 및 드레인 컨택부 상에 제1 보호층 및 제2 보호층을 형성하는 단계;
상기 제2 보호층 상에 공통 전극을 형성하는 단계;
상기 공통 전극 상에 제3 보호층을 형성하는 단계;
상기 드레인 컨택부를 노출시키는 제1 컨택홀 및 상기 공통 전극의 일부를 노출시키는 제2 컨택홀을 형성하는 단계;
상기 공통 전극과 접속되도록 전도성 라인을 형성하는 단계; 및
상기 제1 컨택홀 내부 및 상기 제3 보호층 상에 픽셀 전극을 형성하는 단계;를 포함하는 인셀 터치 액정 디스플레이 장치의 제조방법. - 제4 항에 있어서,
상기 드레인 컨택부와 중첩된 영역의 상기 제1 보호층 내지 상기 제3 보호층을 제거하여 상기 제1 컨택홀을 형성하고,
상기 공통 전극과 중첩된 영역의 상기 제3 보호층을 제거하여 상기 제2 컨택홀을 형성하는 인셀 터치 액정 디스플레이 장치의 제조방법. - 제5 항에 있어서,
상기 제2 컨택홀에 상기 전도성 라인이 배치되어 상기 전도성 라인과 상기 공통 전극이 접속되는 인셀 터치 액정 디스플레이 장치의 제조방법. - 제5 항에 있어서,
데이터 라인과 중첩되도록 상기 제2 컨택홀 및 상기 전도성 라인을 형성하는 인셀 터치 액정 디스플레이 장치의 제조방법.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140195973A KR101728793B1 (ko) | 2014-12-31 | 2014-12-31 | 인셀 터치 액정 디스플레이 장치와 이의 제조방법 |
| US14/933,545 US9568760B2 (en) | 2014-12-31 | 2015-11-05 | In-cell touch liquid crystal display apparatus and method of manufacturing the same |
| JP2015219024A JP6417311B2 (ja) | 2014-12-31 | 2015-11-09 | インセルタッチ液晶ディスプレイ装置及びその製造方法 |
| CN201510783379.2A CN105739203B (zh) | 2014-12-31 | 2015-11-16 | 内嵌式触摸液晶显示装置及其制造方法 |
| TW104141258A TWI578216B (zh) | 2014-12-31 | 2015-12-09 | 內嵌式觸控液晶顯示裝置及其製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140195973A KR101728793B1 (ko) | 2014-12-31 | 2014-12-31 | 인셀 터치 액정 디스플레이 장치와 이의 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20160083627A true KR20160083627A (ko) | 2016-07-12 |
| KR101728793B1 KR101728793B1 (ko) | 2017-04-21 |
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| Country | Link |
|---|---|
| US (1) | US9568760B2 (ko) |
| JP (1) | JP6417311B2 (ko) |
| KR (1) | KR101728793B1 (ko) |
| CN (1) | CN105739203B (ko) |
| TW (1) | TWI578216B (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9910530B2 (en) * | 2015-02-27 | 2018-03-06 | Panasonic Liquid Crystal Display Co., Ltd. | Display panel with touch detection function |
| CN104716144B (zh) * | 2015-03-06 | 2018-02-16 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、显示装置 |
| CN104965365A (zh) * | 2015-07-14 | 2015-10-07 | 深圳市华星光电技术有限公司 | 液晶显示面板及其阵列基板 |
| US20170017327A1 (en) * | 2015-07-17 | 2017-01-19 | Innolux Corporation | Touch display device |
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