GOA (Gate Driver On Array) unit, driving method of GOA unit, GOA circuit and display device

A potential and power signal technology, applied in the field of GOA unit and its drive, GOA circuit, display device, can solve the problem of undetermined output signal potential, wrong output of GOA unit, and high power loss of tri-state gate

Active Publication Date: 2015-10-21
BOE TECH GRP CO LTD +1
View PDF6 Cites 32 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the tri-state gate is usually composed of two P-type transistors and two N-type transistors, and the working state of the tri-state gate usually includes: high potential, low potential and high-impedance state. When the tri-state gate is in the high-impedance state, The potential of its output signal cannot usually be determined
[0004] In the process of realizing the present invention, the ...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • GOA (Gate Driver On Array) unit, driving method of GOA unit, GOA circuit and display device
  • GOA (Gate Driver On Array) unit, driving method of GOA unit, GOA circuit and display device
  • GOA (Gate Driver On Array) unit, driving method of GOA unit, GOA circuit and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0090] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0091] The transistors used in all the embodiments of the present invention can be thin film transistors or field effect transistors or other devices with the same characteristics, and the transistors used in the embodiments of the present invention are mainly switching transistors according to their functions in circuits. Since the source and drain of the switching transistor used here are symmetrical, the source and drain are interchangea...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a GOA (Gate Driver On Array) unit, a driving method of the GOA unit, a GOA circuit and a display device, and belongs to the field of display technologies. The GOA unit comprises an input module, a power consumption reduction module, a reset module, a shifting register module and an output module, wherein the input module is connected with an input signal end, a first node and a control signal end; the power consumption reduction module is connected with the input signal end, a clock signal end, a power supply signal end and a second node; the reset module is connected with the power supply signal end, the control signal end and a third node; the shifting register module is connected with the first node, the second node, the third node and a fourth node; the output module is connected with the fourth node, the clock signal end, the power supply signal end, the control signal end and the output signal end; and the shifting register module comprises an inverter and a transmission gate. According to the invention, problems that the power loss of the GOA unit is high and that the electric potential of output signals cannot be determined are solved, and effects of reducing the power loss and improving the accuracy of the output signals are achieved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a GOA unit, a driving method thereof, a GOA circuit, and a display device. Background technique [0002] Array substrate row drive (English: Gate Driver On Array, referred to as: GOA) technology is a technology that integrates the gate driver circuit (English: Integrated Circuit, referred to as: IC) of the display device on the array substrate. The use of GOA technology can The use of ICs is reduced, thereby reducing the production cost and power consumption of the product, and the use of the GOA technology can also achieve narrower borders of the display device. [0003] The GOA circuit is usually formed by cascading a plurality of GOA units, each GOA unit corresponds to a row of pixel regions, the row of pixel regions includes a plurality of sub-pixel regions, each sub-pixel region is formed with a thin film transistor, and the row of pixel regions includes multiple The gate ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G09G3/20
Inventor 黄飞孙建李成潘峰
Owner BOE TECH GRP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products