JP6799069B2 - Ltps半導体薄膜トランジスタによるgoa回路 - Google Patents
Ltps半導体薄膜トランジスタによるgoa回路 Download PDFInfo
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- 239000010409 thin film Substances 0.000 title claims description 171
- 239000004065 semiconductor Substances 0.000 title claims description 26
- 239000003990 capacitor Substances 0.000 claims description 20
- 239000010408 film Substances 0.000 claims description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 4
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 235000008694 Humulus lupulus Nutrition 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- G02F1/00—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
- G02F1/01—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
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/13454—Drivers integrated on the active matrix substrate
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- G02F1/00—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
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1255—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs integrated with passive devices, e.g. auxiliary capacitors
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- G02F1/00—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
- G02F1/01—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
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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- G09G2300/04—Structural and physical details of display devices
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- G09G2300/0408—Integration of the drivers onto the display substrate
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- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
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- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
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Description
Claims (3)
- LTPS半導体薄膜トランジスタによるGOA回路であって、
縦続接続される複数のGOAユニットを備え、各段のGOAユニットはいずれも走査制御モジュール、出力モジュール、プルダウンモジュール及び出力調整モジュールを含み、
nを正の整数とすると、1段目及び最終段のGOAユニットを除き、n段目のGOAユニットにおいて、
前記走査制御モジュールは第1薄膜トランジスタ、第3薄膜トランジスタ及び第5薄膜トランジスタを備え、前記第1薄膜トランジスタのゲート電極が第1クロック信号配線に電気的に接続され、ソース電極が前段である第n−1段のGOAユニットの出力端子G(n−1)に電気的に接続され、ドレイン電極が第3ノードに電気的に接続され、前記第3薄膜トランジスタのゲート電極が第3クロック信号配線に電気的に接続され、ソース電極が次段である第n+1段のGOAユニットの出力端子G(n+1)に電気的に接続され、ドレイン電極が前記第3ノードに電気的に接続され、前記第5薄膜トランジスタのゲート電極が定電圧ハイレベルに電気的に接続され、ソース電極が前記第3ノードに電気的に接続され、ドレイン電極が第1ノードに電気的に接続され、
前記第5薄膜トランジスタは、前記定電圧ハイレベルの制御によって常に導通され、
前記出力モジュールは第2薄膜トランジスタ及び第1ブートストラップコンデンサを備え、前記第2薄膜トランジスタのゲート電極が前記第1ノードに電気的に接続され、ソース電極が第2クロック信号配線に電気的に接続され、ドレイン電極が出力端子G(n)に電気的に接続され、前記第1ブートストラップコンデンサの一端が前記第1ノードに電気的に接続され、他端が前記出力端子G(n)に電気的に接続され、
前記プルダウンモジュールは第4薄膜トランジスタ、第6薄膜トランジスタ、第7薄膜トランジスタ、第8薄膜トランジスタ及び第2ブートストラップコンデンサを備え、前記第4薄膜トランジスタのゲート電極が第2ノードに電気的に接続され、ソース電極が定電圧ローレベルに電気的に接続され、ドレイン電極が前記出力端子G(n)に電気的に接続され、前記第6薄膜トランジスタのゲート電極が前記第3ノードに電気的に接続され、ソース電極が前記定電圧ローレベルに電気的に接続され、ドレイン電極が前記第2ノードに電気的に接続され、前記第7薄膜トランジスタのゲート電極が前記第2ノードに電気的に接続され、ソース電極が前記定電圧ローレベルに電気的に接続され、ドレイン電極が前記第1ノードに電気的に接続され、前記第8薄膜トランジスタのゲート電極が第4クロック信号配線に電気的に接続され、ソース電極が前記定電圧ローレベルに電気的に接続され、ドレイン電極が前記出力端子G(n)に電気的に接続され、前記第2ブートストラップコンデンサの一端が前記第2ノードに電気的に接続され、他端が前記第2クロック信号配線に電気的に接続され、かつ、
前記出力調整モジュールは第9薄膜トランジスタ、第10薄膜トランジスタ、第11薄膜トランジスタ及び第12薄膜トランジスタを備え、前記第9薄膜トランジスタのゲート電極が前記第2クロック信号配線に電気的に接続され、ソース電極が前記定電圧ハイレベルに電気的に接続され、ドレイン電極が第4ノードに電気的に接続され、前記第10薄膜トランジスタのゲート電極が前記第1ノードに電気的に接続され、ソース電極が前記第4ノードに電気的に接続され、ドレイン電極が前記出力端子G(n)に電気的に接続され、前記第11薄膜トランジスタのゲート電極が前記出力端子G(n−1)に電気的に接続され、ソース電極が前記定電圧ローレベルに電気的に接続され、ドレイン電極が前記第4ノードに電気的に接続され、前記第12薄膜トランジスタのゲート電極が前記出力端子G(n+1)に電気的に接続され、ソース電極が前記定電圧ローレベルに電気的に接続され、ドレイン電極が前記第4ノードに電気的に接続され、
前記第1クロック信号配線における第1クロック信号、前記第2クロック信号配線における第2クロック信号、前記第3クロック信号配線における第3クロック信号、前記第4クロック信号配線における第4クロック信号のパルスが順次に出力されて、互いに重ならないLTPS半導体薄膜トランジスタによるGOA回路。 - 順方向に走査する時、前記第1薄膜トランジスタに電気的に接続される前記第1クロック信号及び前記出力端子G(n−1)がハイレベルを同時に提供し、逆方向に走査する時、前記第3薄膜トランジスタに電気的に接続される前記第3クロック信号及び前記出力端子G(n+1)がハイレベルを同時に提供する請求項1に記載のGOA回路。
- すべての薄膜トランジスタがいずれも低温ポリシリコン半導体薄膜トランジスタである請求項1に記載のGOA回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201610331196.1A CN105788553B (zh) | 2016-05-18 | 2016-05-18 | 基于ltps半导体薄膜晶体管的goa电路 |
CN201610331196.1 | 2016-05-18 | ||
PCT/CN2016/085598 WO2017197684A1 (zh) | 2016-05-18 | 2016-06-13 | 基于ltps半导体薄膜晶体管的goa电路 |
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JP2019512715A JP2019512715A (ja) | 2019-05-16 |
JP6799069B2 true JP6799069B2 (ja) | 2020-12-09 |
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JP2018541120A Active JP6799069B2 (ja) | 2016-05-18 | 2016-06-13 | Ltps半導体薄膜トランジスタによるgoa回路 |
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US (1) | US10403219B2 (ja) |
JP (1) | JP6799069B2 (ja) |
KR (1) | KR102033165B1 (ja) |
CN (1) | CN105788553B (ja) |
EA (1) | EA035508B1 (ja) |
GB (1) | GB2563768B (ja) |
WO (1) | WO2017197684A1 (ja) |
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CN106023936B (zh) * | 2016-07-28 | 2018-10-23 | 武汉华星光电技术有限公司 | 扫描驱动电路及具有该电路的平面显示装置 |
CN106098003B (zh) * | 2016-08-08 | 2019-01-22 | 武汉华星光电技术有限公司 | Goa电路 |
CN106128379B (zh) * | 2016-08-08 | 2019-01-15 | 武汉华星光电技术有限公司 | Goa电路 |
CN112150960A (zh) * | 2020-09-17 | 2020-12-29 | 福建华佳彩有限公司 | 一种双输出gip电路 |
CN112397008B (zh) * | 2020-11-11 | 2022-04-26 | 武汉华星光电半导体显示技术有限公司 | Goa电路及显示面板 |
CN112967646B (zh) * | 2020-11-11 | 2022-12-16 | 重庆康佳光电技术研究院有限公司 | 低电平有效的goa单元和显示屏 |
CN112309345B (zh) * | 2020-11-13 | 2022-09-09 | 武汉华星光电技术有限公司 | Goa电路、阵列基板和显示面板 |
CN114613311B (zh) * | 2022-03-29 | 2023-04-21 | 福建华佳彩有限公司 | 一种提高显示屏稳定性的9t2c电路及其驱动方法 |
CN114596828B (zh) * | 2022-04-25 | 2022-12-09 | 福建华佳彩有限公司 | 一种降低负载的12t1c gip电路及其驱动方法 |
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TWI430242B (zh) * | 2006-08-01 | 2014-03-11 | Samsung Display Co Ltd | 顯示器裝置及驅動顯示器裝置的方法 |
CN103065593B (zh) * | 2012-12-13 | 2014-11-19 | 京东方科技集团股份有限公司 | 移位寄存器单元及其驱动方法、栅极驱动电路与显示器件 |
CN103996367B (zh) * | 2014-04-18 | 2017-01-25 | 京东方科技集团股份有限公司 | 移位寄存器、栅极驱动电路和显示装置 |
CN104078019B (zh) * | 2014-07-17 | 2016-03-09 | 深圳市华星光电技术有限公司 | 具有自我补偿功能的栅极驱动电路 |
CN104537992B (zh) | 2014-12-30 | 2017-01-18 | 深圳市华星光电技术有限公司 | 用于液晶显示装置的goa电路 |
CN105070263B (zh) * | 2015-09-02 | 2017-06-27 | 深圳市华星光电技术有限公司 | Cmos goa电路 |
CN105336302B (zh) * | 2015-12-07 | 2017-12-01 | 武汉华星光电技术有限公司 | 基于ltps半导体薄膜晶体管的goa电路 |
CN105355187B (zh) * | 2015-12-22 | 2018-03-06 | 武汉华星光电技术有限公司 | 基于ltps半导体薄膜晶体管的goa电路 |
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GB2563768B (en) | 2021-11-10 |
GB201814452D0 (en) | 2018-10-17 |
JP2019512715A (ja) | 2019-05-16 |
US20180108316A1 (en) | 2018-04-19 |
KR102033165B1 (ko) | 2019-11-08 |
EA201891566A1 (ru) | 2018-12-28 |
CN105788553A (zh) | 2016-07-20 |
WO2017197684A1 (zh) | 2017-11-23 |
US10403219B2 (en) | 2019-09-03 |
CN105788553B (zh) | 2017-11-17 |
EA035508B1 (ru) | 2020-06-26 |
GB2563768A (en) | 2018-12-26 |
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