JP2014146777A - 静電気防止回路およびこれを含む表示装置 - Google Patents
静電気防止回路およびこれを含む表示装置 Download PDFInfo
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Abstract
【解決手段】本発明は、静電気防止回路とこれを含む表示装置であって、具体的には、静電気防止回路は、映像を表示する表示部を駆動させる駆動回路と、前記駆動回路にクロック信号を伝達する少なくとも1つのクロック信号配線とを含む表示装置の静電気防止回路において、前記静電気防止回路は、前記少なくとも1つのクロック信号配線それぞれと電気的に連結される少なくとも1つのトランジスタと、前記トランジスタのソース電極およびドレイン電極に共通に連結された一電極、および所定の固定電圧が印加される他電極を含む少なくとも1つのキャパシタとを含む。
【選択図】図1
Description
GL1、GL2、GL3:ゲート金属配線
T1、T2、T3:静電気防止トランジスタ
C1、C2、C3:キャパシタ
10:真性半導体層領域
11、12:p型不純物ドーピング領域
20:ゲート絶縁層
30:層間絶縁層
40:クロック信号配線
50:ゲート電極層
60:ゲート金属配線
70:キャパシタの一電極
80:絶縁層
90:キャパシタの他電極
Claims (12)
- 映像を表示する表示部を駆動させる駆動回路と、前記駆動回路にクロック信号を伝達する少なくとも1つのクロック信号配線とを含む表示装置の静電気防止回路において、
前記静電気防止回路は、前記少なくとも1つのクロック信号配線それぞれと電気的に連結される少なくとも1つのトランジスタと、前記トランジスタのソース電極およびドレイン電極に共通に連結された一電極、および所定の固定電圧が印加される他電極を含む少なくとも1つのキャパシタとを含むことを特徴とする静電気防止回路。 - 前記少なくとも1つのクロック信号配線それぞれは、ゲート金属配線を介して前記少なくとも1つのトランジスタそれぞれのゲート電極に連結されることを特徴とする請求項1記載の静電気防止回路。
- 前記トランジスタは、半導体不純物でドーピングされた所定の不純物ドーピング領域、および前記半導体不純物でドーピングされない真性半導体領域を含む半導体層と、ゲート絶縁層を挟んで前記半導体層の上部に形成されたゲート電極層とを含み、
前記少なくとも1つのクロック信号配線を介して流入する静電気電流は、前記トランジスタのゲート絶縁層をオープンさせたりショートさせることを特徴とする請求項1記載の静電気防止回路。 - 前記半導体層の不純物ドーピング領域は、
第1不純物ドーピング領域と、前記第1不純物ドーピング領域に対向して形成され、前記ゲート電極層と重ならない領域で前記第1不純物ドーピング領域と電気的に連結される第2不純物ドーピング領域とを含むことを特徴とする請求項3記載の静電気防止回路。 - 前記ゲート絶縁層がショートする場合に、前記半導体層の不純物ドーピング領域と電気的に連結された一電極を含むキャパシタに前記流入した静電気電流が蓄積されることを特徴とする請求項3記載の静電気防止回路。
- 複数の画素を含み、前記複数の画素それぞれが映像データ信号によるデータ電圧に応じて発光して映像を表示する表示部と、
前記表示部を駆動させる駆動回路部と、
前記駆動回路部にクロック信号を伝達する少なくとも1つのクロック信号配線と、
前記少なくとも1つのクロック信号配線それぞれと電気的に連結される少なくとも1つのトランジスタと、前記トランジスタのソース電極およびドレイン電極に共通に連結された一電極、および所定の固定電圧が印加される他電極を含む少なくとも1つのキャパシタとを含む静電気防止回路とを含むことを特徴とする表示装置。 - 前記静電気防止回路は、前記少なくとも1つのクロック信号配線と前記駆動回路部との間に備えられることを特徴とする請求項6記載の表示装置。
- 前記少なくとも1つのクロック信号配線それぞれは、ゲート金属配線を介して前記静電気防止回路のトランジスタそれぞれのゲート電極に連結されることを特徴とする請求項6記載の表示装置。
- 前記トランジスタは、半導体不純物でドーピングされた所定の不純物ドーピング領域、および前記半導体不純物でドーピングされない真性半導体領域を含む半導体層と、ゲート絶縁層を挟んで前記半導体層の上部に形成されたゲート電極層とを含み、
前記キャパシタの一電極は、前記不純物ドーピング領域と電気的に連結されることを特徴とする請求項6記載の表示装置。 - 前記半導体層の不純物ドーピング領域は、
第1不純物ドーピング領域と、前記第1不純物ドーピング領域に対向して形成され、前記ゲート電極層と重ならない領域で前記第1不純物ドーピング領域と電気的に連結される第2不純物ドーピング領域とを含むことを特徴とする請求項9記載の表示装置。 - 前記トランジスタのゲート絶縁層は、少なくとも1つのクロック信号配線を介して流入する静電気電流によってオープンされたりショートすることを特徴とする請求項9記載の表示装置。
- 前記ゲート絶縁層がショートする場合に、前記半導体層の不純物ドーピング領域と電気的に連結された一電極を含むキャパシタに前記流入した静電気電流が蓄積されることを特徴とする請求項11記載の表示装置。
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| KR102000738B1 (ko) * | 2013-01-28 | 2019-07-23 | 삼성디스플레이 주식회사 | 정전기 방지 회로 및 이를 포함하는 표시 장치 |
| CN104749844A (zh) * | 2015-04-16 | 2015-07-01 | 上海中航光电子有限公司 | 静电防护电路、阵列基板、显示面板和显示装置 |
| KR102381283B1 (ko) * | 2015-07-24 | 2022-03-31 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR102018440B1 (ko) | 2017-12-11 | 2019-09-04 | 한국식품연구원 | 지하저장고 및 그 운전방법 |
| KR101989703B1 (ko) | 2017-12-12 | 2019-06-14 | 한국식품연구원 | 지하저장고 유해기체 제거방법 |
| KR102508468B1 (ko) * | 2018-02-08 | 2023-03-10 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR102505620B1 (ko) * | 2018-07-06 | 2023-03-02 | 엘지디스플레이 주식회사 | 디스플레이 패널, 디스플레이 장치 |
| KR102498797B1 (ko) * | 2018-09-28 | 2023-02-10 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
| CN208904019U (zh) * | 2018-11-22 | 2019-05-24 | 京东方科技集团股份有限公司 | 显示基板、静电放电保护电路和显示装置 |
| KR102595457B1 (ko) * | 2018-11-26 | 2023-10-27 | 엘지디스플레이 주식회사 | 정전기 방지회로를 포함한 유기발광 다이오드 표시장치용 어레이 기판 |
| KR102752455B1 (ko) * | 2019-09-09 | 2025-01-09 | 삼성디스플레이 주식회사 | 스캔 신호 구동부와 그를 포함한 표시 장치 |
| CN110767149B (zh) * | 2019-11-18 | 2021-10-22 | 合肥京东方卓印科技有限公司 | 栅极驱动电路、显示装置及修复方法 |
| CN111243473A (zh) | 2020-03-11 | 2020-06-05 | Tcl华星光电技术有限公司 | 源极驱动器静电起火防护方法及显示装置 |
| CN111240113B (zh) * | 2020-03-11 | 2021-07-06 | Tcl华星光电技术有限公司 | 阵列基板及显示面板 |
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| EP2759874B1 (en) | 2017-04-05 |
| US10461144B2 (en) | 2019-10-29 |
| CN103972228B (zh) | 2018-03-27 |
| US20180342573A1 (en) | 2018-11-29 |
| US20150243726A1 (en) | 2015-08-27 |
| US10886357B2 (en) | 2021-01-05 |
| CN103972228A (zh) | 2014-08-06 |
| US9058770B2 (en) | 2015-06-16 |
| US20200066823A1 (en) | 2020-02-27 |
| KR102000738B1 (ko) | 2019-07-23 |
| US10199450B2 (en) | 2019-02-05 |
| US10026798B2 (en) | 2018-07-17 |
| US20190131380A1 (en) | 2019-05-02 |
| TW201430807A (zh) | 2014-08-01 |
| US20140210807A1 (en) | 2014-07-31 |
| KR20140096634A (ko) | 2014-08-06 |
| EP2759874A1 (en) | 2014-07-30 |
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