WO2018205463A1 - 一种显示装置及其驱动电路和方法 - Google Patents
一种显示装置及其驱动电路和方法 Download PDFInfo
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- WO2018205463A1 WO2018205463A1 PCT/CN2017/099911 CN2017099911W WO2018205463A1 WO 2018205463 A1 WO2018205463 A1 WO 2018205463A1 CN 2017099911 W CN2017099911 W CN 2017099911W WO 2018205463 A1 WO2018205463 A1 WO 2018205463A1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
Definitions
- the present application relates to the field of display panel technologies, and in particular, to a display device and a driving circuit and method thereof.
- LCDs liquid crystal displays
- the conventional LCD is implemented by a gate driver chip (Gate Driver IC), and the gate driver chip needs to be bound to the LCD panel through a connector, and is in an LCD. Multiple gate drive chips are required, so conventional LCDs have high cost and power consumption.
- Gate Driver IC Gate Driver IC
- the prior art mainly uses an array substrate gate driver (Gate Driver on
- the GOA circuit mainly integrates the LCD Pane ⁇ gate drive circuit on the glass substrate by exposure and development, thereby forming a scan drive for the panel gate signal line. Specifically, the GOA circuit scans the panel gate signal line. Driven, its gate voltage point will receive a precharge signal that precharges the gate voltage point so that the point voltage reaches a high voltage level under the action of the chirp signal, thereby causing the output transistor After the snoring, the signal is transmitted smoothly, and then the panel gate signal line is driven.
- the existing GOA circuit eliminates the gate driving chip, thereby reducing cost and power consumption, and high integration, its narrow frame on the LCD affects signal transmission, which in turn affects the narrow frame of the LCD.
- the GOA circuit of the existing LCD has a problem that is disadvantageous for the narrow frame of the LCD.
- An object of the present application is to provide a display device and a driving circuit and method thereof, which aim to solve the problem that the GOA circuit of the conventional LCD is disadvantageous for the narrow frame of the LCD.
- the present application provides a driving circuit for driving a display panel, including: [0007] n cascaded gate driving units, n is a positive integer greater than 2; wherein, the nth gate driving unit includes
- an input module configured to receive a gate scan signal Gn-2 outputted by the n-2th stage gate driving unit, and raise the control terminal voltage signal Qn to the first according to the gate scan signal Gn-2 a high level
- a pull-up module configured to receive a chirp signal CLKn-2 of the n-2th stage gate driving unit, a chirp signal CLKn-1 of the n-1th stage gate driving unit, and the a control terminal voltage signal Qn-1 of the n-1 stage gate driving unit, and according to the chirp clock signal CLKn-2, the chirp clock signal CLKn-1, and the control terminal voltage signal Qn-1
- the control terminal voltage signal Qn is pulled from the first high level to the second high level;
- an output module configured to receive the chirp signal CLKn, and couple the control terminal voltage signal Qn from the second high level to the third high level according to the chirp signal CLKn, and according to the coupled control
- the terminal voltage signal Q n and the chirp signal CLKn output a gate scan signal Gn;
- a feedback module configured to receive a feedback signal, and pull the coupled control terminal voltage signal Qn low according to the feedback signal
- a control module configured to control the pull-down maintaining module to maintain a low voltage of the control terminal voltage signal Qn.
- Another object of the present application is to provide a display device, where the display device includes:
- a backlight module configured to provide a light source for the display panel
- the control device includes a driving circuit
- the driving circuit is configured to drive the display panel
- the drive circuit includes:
- n cascaded gate drive units n being a positive integer greater than 2; wherein the nth gate drive unit comprises
- an input module configured to receive the gate scan signal Gn-2 outputted by the n-2th stage gate driving unit, and raise the control terminal voltage signal Qn to the first according to the gate scan signal Gn-2 a high level
- a pull-up module configured to receive a chirp signal CLKn-2 of the n-2th stage gate driving unit, a chirp signal CLKn-1 of the n-1th stage gate driving unit, and the a control terminal voltage signal Qn-1 of the n-1 stage gate driving unit, and according to the chirp clock signal CLKn-2, the chirp clock signal CLKn-1, and the control terminal voltage signal Qn-1
- the control terminal voltage signal Qn is pulled from the first high level to the second high level;
- an output module configured to receive the chirp signal CLKn, and couple the control terminal voltage signal Qn from the second high level to the third high level according to the chirp signal CLKn, and according to the coupled control Terminal voltage signal Q n and the chirp signal CLKn output a gate scan signal Gn;
- a feedback module configured to receive a feedback signal, and pull the coupled control terminal voltage signal Qn low according to the feedback signal
- a control module configured to control the pull-down maintaining module to maintain a low voltage of the control terminal voltage signal Qn.
- Still another object of the present application is to provide a driving method based on the above driving circuit, the driving method comprising:
- the present application uses a driving circuit including an input module, an output module, a control module, a pull-down maintaining module, a feedback module, and a pull-up module, so that the input module receives the gate scan signal outputted by the n-2th stage gate driving unit.
- Gn-2 and according to the gate scan signal Gn-2, the control terminal voltage signal Qn of the output module is pulled up to the first high level, and the pull-up module receives the chirp signal CLKn of the n-2th stage gate driving unit.
- the chopping clock signal CLKn-1 of the n-1th stage gate driving unit and the control terminal voltage signal Qn-1 of the n-1th stage gate driving unit, and according to the chopping clock signal CLKn-2, the chopping clock signal CLKn -1 and the control terminal voltage signal Qn-1 will
- the control terminal voltage signal Qn is pulled from the first high level to the second high level
- the output module receives the chirp signal CL Kn, and couples the control terminal voltage signal Qn from the second high level to the first according to the chirp signal CLKn Three high levels, and according to the coupled control terminal voltage signal Qn and the chirp signal CLKn output gate scan signal Gn, the feedback module receives the feedback signal, and according to the feedback signal, the coupled control terminal voltage signal Qn is pulled low, control
- the module control pull-down maintaining module maintains the low voltage of the control terminal voltage signal Qn, thereby pulling the level of the control terminal voltage signal Qn three times, enhancing the strength of the control terminal voltage signal Qn, and solving
- FIG. 1 is a block diagram showing the structure of a driving circuit according to an embodiment of the present application.
- FIG. 2 is a schematic structural diagram of a module of a driving circuit according to another embodiment of the present application.
- FIG. 3 is a schematic structural diagram of a circuit of a driving circuit according to an embodiment of the present application.
- FIG. 4 is a schematic diagram showing the operation sequence of a driving circuit according to an embodiment of the present application.
- FIG. 5 is a schematic structural diagram of a module of a display device according to an embodiment of the present application.
- FIG. 6 is a schematic flow chart of a driving method provided by an embodiment of the present application.
- FIG. 1 shows a module structure of a driving circuit provided by an embodiment of the present application. For convenience of description, only parts related to the embodiment are shown, which are described in detail as follows:
- the driving circuit provided in this embodiment is used to drive a display panel, specifically for driving a gate scan line of the display panel.
- the driving circuit comprises n cascaded gate driving units 1 (one is taken as an example), n is a positive integer greater than 2, and the nth gate driving unit 1 comprises an input module 10 and an output module 11.
- the input module 10 is configured to receive a gate scan signal Gn- of the output of the n-2th stage gate driving unit.
- control terminal voltage signal Qn is pulled up to the first high level.
- the pull-up module 15 is configured to receive the chirp signal CLKn-2 of the n-2th stage gate driving unit, the chirp signal CLKn-1 of the n-1th stage gate driving unit, and the n-1th Control terminal voltage signal Qn-1 of the stage gate drive unit
- the output module 11 is configured to receive the chirp signal CLKn, and couple the control terminal voltage signal Qn from the second high level to the third high level according to the chirp signal CLKn, and according to the coupled control terminal voltage signal Qn and the chirp signal CLKn output a gate scan signal Gn.
- the feedback module 14 is configured to receive a feedback signal, and according to the feedback signal, the coupled control terminal voltage signal
- the control module 12 is configured to control the low voltage of the pull-down maintaining module 13 to maintain the control terminal voltage signal Qn.
- the driving circuit provided by the embodiment of the present application is also implemented by using a GOA circuit, only the internal specific circuit structure thereof is changed compared with the existing GOA circuit, It has all the advantages of the GOA circuit, and the circuit structures of the n gate driving units 1 in the driving circuit are the same, and only one embodiment is described here; in addition, the control module 12 and the pull-down maintaining module 13 in the present application It can be implemented by using the existing control circuit and the pull-down sustain circuit, which only needs to ensure that the control terminal voltage signal Qn is maintained at a low level after being pulled low, and the structure and working principle are not described in detail herein.
- the pull-up module 15 includes a pull-up unit 150 and a pull-up control unit 151.
- the pull-up unit 150 receives the chirp signal CLKn-2 and the chirp signal CLKn-1, and generates a first pull-up signal to the pull-up control unit according to the chirp signal CLKn-2 and the chirp signal CLKn-1.
- the pull-up control unit 151 receives the control terminal voltage signal Qn-1, and generates a second pull-up signal Pun-1 according to the control terminal voltage signal Qn-1 and the first pull-up signal to control the terminal voltage signal Qn from the first A high level is pulled up to a second high level.
- the pull-up unit 150 includes a first switching element Q1, and an input end of the first switching element Q1 receives a chirp signal. CLKn-2, the first pass The control terminal of the component Q1 receives the chirp signal CLKn-1, and the first switching component Q1 generates a first pull-up signal according to the chirp signal CLKn-2 and the chirp signal CLKn-1, and the output of the first switching component Q1 will The first pull-up signal is output to the pull-up control unit 151.
- the first switching element Q1 can be implemented by using an NMOS transistor, and the gate, the drain, and the source of the NMOS transistor are respectively a control terminal, an input terminal, and an output terminal of the first switching component Q1. It is understood that the first switching element Q1 can also be implemented by using a PMOS transistor, which is not specifically limited herein. When a PMOS transistor is used to realize ⁇ , the gate, the source and the drain of the PMOS transistor are respectively the first switching element. The control terminal, input terminal and output terminal of Q1.
- the pull-up control unit 1 51 includes a second switching element Q2, and the input end of the second switching element Q2 receives the first a pull-up signal, the control terminal of the second switching element Q2 receives the control terminal voltage signal Qn-1, and the second switching element Q2 generates a second pull-up signal Pun according to the first pull-up signal and the control terminal voltage signal Qn-1 -1.
- the second switching element Q2 can be implemented by using an NMOS transistor.
- the gate, the drain, and the source of the NMOS transistor are respectively a control terminal, an input terminal, and an output terminal of the second switching component Q2.
- the second switching element Q2 can also be implemented by using a PMOS transistor, which is not specifically limited herein.
- a PMOS transistor is used to realize ⁇
- the gate, the source and the drain of the PMOS transistor are respectively the second switching element.
- the input module 10 includes a transistor Q3, and the control terminal and the input terminal of the transistor Q3 are connected in common, and receive a gate scan signal. Gn-2, the output of the transistor Q3 is connected to the control terminal of the output module 11.
- the transistor Q3 may be an NMOS transistor, and the gate, the drain and the source of the NMOS transistor.
- the transistor Q3 can also be a PMOS transistor, which is not specifically limited herein.
- the output module 11 includes a transistor Q4, and the control terminal of the transistor Q4 is a control terminal of the output module 11, and the transistor Q4 is The input terminal receives the chirp signal CLKn, and the output of the transistor Q4 outputs the gate scan signal Gn.
- the transistor Q4 is an NMOS transistor, and the gate, the drain and the source of the NMOS transistor. The poles are respectively the control terminal, the input terminal and the output terminal of the transistor Q4.
- the transistor Q4 may also be a PMOS transistor, which is not specifically limited herein.
- the feedback module 14 includes a transistor Q5 and a transistor Q6.
- the control terminal of the transistor Q5 and the control terminal of the transistor Q6 receive the feedback signal FB, the input terminal of the transistor Q5 is connected to the output terminal of the transistor Q4, the input terminal of the transistor Q6 is connected to the control terminal of the transistor Q4, and the transistor Q5 is connected. And the output of transistor Q6 receives a low level VSS.
- the feedback signal FB may be implemented by using the gate scan signal Gn-2 outputted by the n-2th gate driving unit, or the n-1th stage gate may be used.
- the gate scan signal Gn-1 outputted by the driving unit is implemented, and is not particularly limited herein. It only needs to achieve the purpose of lowering the coupled control terminal voltage signal Qn.
- the transistor Q5 and the transistor Q6 are both NMOS transistors.
- the gate, the drain and the source of the NMO S transistor are the control terminal, the input terminal and the output terminal of the transistor Q5 and the transistor Q6, respectively. It can be understood that the transistor Q5 and the transistor Q6 can also be PMOS transistors, which are not used here. Specific restrictions.
- each gate driving unit of the driving circuit receives the gate scanning signal Gn-2 to output the gate scanning signal Gn, that is, tl-t3 shown in FIG. 4, which is called During the scan period, the rest of the time is called the non-scan period, and the scan period is divided into the pre-charge period and the output pulse period, where tl is the first pre-charge period, t2 is the second pre-charge period, and t3 is the output. Pulsed daytime.
- the transistor Q3 transmits the high-level gate scan signal Gn-2 to
- the control terminal of the transistor Q4 causes the control terminal voltage Qn of the transistor Q4 to be pulled up to the first high level to realize the first charging of the control terminal of the transistor Q4, that is, the first pre-charging of the Q point of the gate driving unit is realized.
- the transistor Q4 is turned on to output the low-level chirp signal CLKn to the output terminal, so the gate scan signal Gn is at a low level.
- the transistor Q1 is continuously turned on, and when the input terminal of the transistor Q4 receives the high-level chirp signal CLKn ⁇ The transistor Q4 couples the control terminal voltage Qn from the second high level to the third high level according to the high level chirp signal CLKn, that is, the Q point voltage of the gate driving unit is pulled high again, and the transistor Q4 will be high.
- the level chopping signal CLKn is output to the output terminal, so the gate scanning signal Gn is at a high level.
- the Q-point voltage is pulled from the first high level by the first pre-charging, the second pre-charging, and the coupling processing on the Q point of the gate driving unit.
- the Q-point waveform is pulled up, thereby enhancing the Q-point signal strength, which is advantageous for the narrow frame of the LCD.
- the transistors Q1-Q3 are not turned on.
- the transistor Q5 and the transistor Q6 receive the high-level feedback signal FB (not shown)
- the transistor Q6 is based on the high-level feedback signal FB.
- the transistor Q4 is turned off, and the transistor Q5 is turned on according to the high level feedback signal FB, and the output scanning control signal Gn is high.
- the pull-down is low, so the scan control signal Gn is at a low level.
- the pull-down of the control terminal voltage signal Qn by the transistor Q6 is divided into two processes, the two The process of pulling down is the same as the prior art, and will not be described here.
- the control module 12 and the pull-down maintaining module 13 operate, and the control module 12 controls the pull-down maintaining module 13 to maintain the low level of the control terminal voltage signal Qn, thereby causing the transistor Q4 to be in an off state, thereby making
- the gate scan signal Gn outputted by the gate scanning unit 1 is at a low level, thereby preventing the gate scan signal Gn from being hopped at the next high-level chirp signal CLKn, ensuring A normal scan of the LCD gate line.
- FIG. 5 shows a display device 100 according to an embodiment of the present disclosure.
- the display device 100 includes a backlight module 2, a display panel 3, and a control device 4 including the above-described driving circuit 1. Used for The display panel 3 provides a light source with uniform brightness and distribution.
- the control device 4 includes a driving circuit (not shown in the drawing, please refer to FIG. 1).
- the driving circuit is used to drive the display panel 3, and the driving circuit includes:
- n cascaded gate drive units n being a positive integer greater than 2; wherein the nth gate drive unit comprises
- an input module configured to receive a gate scan signal Gn-2 outputted by the n-2th stage gate driving unit, and raise the control terminal voltage signal Qn to the first according to the gate scan signal Gn-2 a high level
- a pull-up module configured to receive a chirp signal CLKn-2 of the n-2th stage gate driving unit, a chirp signal CLKn-1 of the n-1th stage gate driving unit, and the a control terminal voltage signal Qn-1 of the n-1 stage gate driving unit, and according to the chirp clock signal CLKn-2, the chirp clock signal CLKn-1, and the control terminal voltage signal Qn-1
- the control terminal voltage signal Qn is pulled from the first high level to the second high level;
- an output module configured to receive the chirp signal CLKn, and couple the control terminal voltage signal Qn from the second high level to the third high level according to the chirp signal CLKn, and according to the coupled control
- the terminal voltage signal Q n and the chirp signal CLKn output a gate scan signal Gn;
- a feedback module configured to receive a feedback signal, and pull the coupled control terminal voltage signal Qn low according to the feedback signal
- a control module configured to control the pull-down maintaining module to maintain a low voltage of the control terminal voltage signal Qn.
- the display device 100 provided by the embodiment of the present application may be any type of display device, such as a liquid crystal display (LCD), an organic electroluminescence display (OLED) display device, and a quantum device.
- a liquid crystal display LCD
- OLED organic electroluminescence display
- QLED Quantum Dot Light Emitting Diodes
- FIG. 6 shows an implementation flow of a driving method according to an embodiment of the present application. For the convenience of description, only parts related to the embodiment of the present application are shown, which are as follows:
- the driving method provided by the embodiment of the present application includes:
- S61 receiving, by the input module, the gate scan signal Gn-2 outputted by the n-2th stage gate driving unit, and pulling the control terminal voltage signal Qn of the output module to be high according to the gate scan signal Gn-2 The first high level.
- S62 receiving, by the pull-up module, the cuckoo clock signal CLKn-2 of the n-2th stage gate driving unit, the chopping clock signal CLKn-1 of the n-1th stage gate driving unit, and the n-1th stage
- the control terminal voltage signal Qn-1 of the gate driving unit and according to the chirp signal CLKn-2, the chirp signal CLKn-1, and the control terminal voltage signal Qn-1, pull the control terminal voltage signal Qn from the first high level Up to the second high level.
- S63 receiving the chirp signal CLKn by using the output module, and coupling the control terminal voltage signal Qn from the second high level to the third high level according to the chirp signal CLKn, and according to the coupled control terminal voltage signal Qn
- the gate scan signal Gn is outputted with the chirp signal CLKn.
- S65 controlling, by the control module, the pull-down maintaining module to maintain a low voltage of the control terminal voltage signal Qn.
- the pull-up module since the pull-up module includes a pull-up unit and a pull-up control unit, the chirp signal CLKn-2, the n-th of the n-2th stage gate driving unit is received by the pull-up module.
- the chirp signal CLKn-1 of the 1-stage gate driving unit and the control terminal voltage signal Qn-1 of the n-1th-level gate driving unit are controlled according to the chirp signal CLKn-2, the chirp signal CLKn-1, and the control Terminal voltage signal Qn-1, the control terminal voltage signal
- Qn is pulled from the first high level to the second high level, specifically:
- the driving method provided by the embodiment of the present application is implemented based on the driving circuit shown in FIG. 1 to FIG. 4 . Therefore, with reference to the specific working principle of the driving method provided by the embodiment of the present application, reference may be made to the figure. 1 to the description of the driving circuit in FIG. 4, and details are not described herein again.
- the input module receives the gate of the output of the n-2th stage gate driving unit by using a driving circuit including an input module, an output module, a control module, a pull-down maintaining module, a feedback module, and a pull-up module.
- the pole scan signal Gn-2 and pulls the control terminal voltage signal Qn of the output module to the first high level according to the gate scan signal Gn-2, and the pull-up module receives the clock of the n-2th stage gate driving unit Signal CLKn-2, the chopping clock signal CLKn-1 of the n-1th stage gate driving unit, and the control terminal of the n-1th stage gate driving unit
- the voltage signal Qn-1, and the control terminal voltage signal Qn is pulled from the first high level to the second high level according to the chirp signal CLKn-2, the chirp signal CLKn-1, and the control terminal voltage signal Qn-1.
- the output module receives the chirp signal CLKn, and couples the control terminal voltage signal Qn from the second high level to the third high level according to the chirp signal CLKn, and outputs according to the coupled control terminal voltage signal Qn and the chirp signal CLKn.
- the gate scanning signal Gn the feedback module receives the feedback signal, and pulls the coupled control terminal voltage signal Qn low according to the feedback signal, and the control module controls the pull-down maintaining module to maintain the low voltage of the control terminal voltage signal Qn, thereby controlling the terminal voltage
- the level of the signal Qn is pulled up three times, and the intensity of the control terminal voltage signal Qn is enhanced, which solves the problem that the GOA circuit of the existing LCD is disadvantageous for the narrow frame of the display panel.
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Abstract
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/740,352 US10714040B2 (en) | 2017-05-09 | 2017-08-31 | Display device, driving circuit and driving method for the same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710327640.7 | 2017-05-09 | ||
| CN201710327640.7A CN106910484B (zh) | 2017-05-09 | 2017-05-09 | 一种显示装置及其驱动电路和方法 |
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| CN106910484B (zh) * | 2017-05-09 | 2019-06-21 | 惠科股份有限公司 | 一种显示装置及其驱动电路和方法 |
| CN107871486A (zh) * | 2017-12-21 | 2018-04-03 | 惠科股份有限公司 | 显示装置及移位暂存电路 |
| CN108877713B (zh) * | 2018-07-17 | 2020-06-12 | 惠科股份有限公司 | 显示装置及移位暂存电路 |
| CN108831395B (zh) * | 2018-07-17 | 2020-09-04 | 惠科股份有限公司 | 显示装置及移位暂存电路 |
| CN108806634A (zh) | 2018-07-17 | 2018-11-13 | 惠科股份有限公司 | 移位暂存器、显示面板、以及移位暂存器的驱动方法 |
| CN108922485B (zh) * | 2018-07-17 | 2020-06-12 | 惠科股份有限公司 | 栅极驱动电路结构、显示面板、以及栅极驱动电路结构的驱动方法 |
| CN109671386B (zh) * | 2019-03-01 | 2021-11-23 | 合肥鑫晟光电科技有限公司 | 栅极驱动单元及其驱动方法、栅极驱动电路、显示装置 |
| CN110111751B (zh) * | 2019-04-08 | 2021-07-23 | 苏州华星光电技术有限公司 | 一种goa电路及goa驱动显示装置 |
| CN112599067B (zh) * | 2020-12-15 | 2022-11-15 | 上海中航光电子有限公司 | 一种移位寄存电路及显示装置 |
| CN113903307B (zh) * | 2021-10-21 | 2023-09-15 | 京东方科技集团股份有限公司 | 信号提供方法、信号提供模组和显示装置 |
| CN114842812B (zh) * | 2022-05-20 | 2023-08-15 | 深圳创维-Rgb电子有限公司 | 显示面板及其控制方法 |
| CN118300573B (zh) * | 2023-01-04 | 2024-12-20 | 湖南芯力特电子科技有限公司 | 一种驱动电路、lin总线以及驱动方法 |
| CN116153229A (zh) * | 2023-02-27 | 2023-05-23 | 惠科股份有限公司 | 显示驱动电路的驱动方法、显示驱动电路和显示面板 |
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| CN103854587A (zh) * | 2014-02-21 | 2014-06-11 | 北京大学深圳研究生院 | 栅极驱动电路及其单元和一种显示器 |
| CN104050943A (zh) * | 2014-06-10 | 2014-09-17 | 昆山龙腾光电有限公司 | 一种栅极驱动电路及使用其的显示装置 |
| CN105261340A (zh) * | 2015-11-09 | 2016-01-20 | 武汉华星光电技术有限公司 | Goa驱动电路、tft显示面板及显示装置 |
| CN106504719A (zh) * | 2017-01-03 | 2017-03-15 | 合肥京东方光电科技有限公司 | 移位寄存器单元、驱动方法、栅极驱动电路和显示装置 |
| CN106910484A (zh) * | 2017-05-09 | 2017-06-30 | 惠科股份有限公司 | 一种显示装置及其驱动电路和方法 |
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| CN102800292B (zh) * | 2012-08-21 | 2014-12-10 | 昆山龙腾光电有限公司 | 栅极驱动电路 |
| CN104795034B (zh) * | 2015-04-17 | 2018-01-30 | 深圳市华星光电技术有限公司 | 一种goa电路及液晶显示器 |
| CN104992663B (zh) * | 2015-08-05 | 2017-09-22 | 京东方科技集团股份有限公司 | 一种移位寄存器单元及栅极驱动电路、显示面板 |
| KR102486313B1 (ko) * | 2015-12-03 | 2023-01-10 | 삼성디스플레이 주식회사 | 게이트 구동회로 및 이를 포함하는 표시장치 |
| 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 |
| CN105469763B (zh) * | 2015-12-28 | 2018-09-11 | 深圳市华星光电技术有限公司 | 栅极驱动单元、栅极驱动电路及显示装置 |
| CN105976781B (zh) * | 2016-07-14 | 2018-08-14 | 武汉华星光电技术有限公司 | Goa电路 |
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| KR20140050304A (ko) * | 2012-10-19 | 2014-04-29 | 하이디스 테크놀로지 주식회사 | 쉬프트 레지스터 및 이를 이용한 게이트 구동회로 |
| CN103854587A (zh) * | 2014-02-21 | 2014-06-11 | 北京大学深圳研究生院 | 栅极驱动电路及其单元和一种显示器 |
| CN104050943A (zh) * | 2014-06-10 | 2014-09-17 | 昆山龙腾光电有限公司 | 一种栅极驱动电路及使用其的显示装置 |
| CN105261340A (zh) * | 2015-11-09 | 2016-01-20 | 武汉华星光电技术有限公司 | Goa驱动电路、tft显示面板及显示装置 |
| CN106504719A (zh) * | 2017-01-03 | 2017-03-15 | 合肥京东方光电科技有限公司 | 移位寄存器单元、驱动方法、栅极驱动电路和显示装置 |
| CN106910484A (zh) * | 2017-05-09 | 2017-06-30 | 惠科股份有限公司 | 一种显示装置及其驱动电路和方法 |
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| Publication number | Publication date |
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| CN106910484A (zh) | 2017-06-30 |
| US20200058259A1 (en) | 2020-02-20 |
| CN106910484B (zh) | 2019-06-21 |
| US10714040B2 (en) | 2020-07-14 |
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