Unlock instant, AI-driven research and patent intelligence for your innovation.

Driving circuit of electroluminescence display device

A technology for current converters and display devices, which can be used in static indicators, instruments, etc., and can solve problems such as errors

Inactive Publication Date: 2007-08-08
TPO DISPLAY
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of the above problems, the main task of the present invention is to provide a driving circuit for an electroluminescent display device to solve the error caused by the critical voltage in the existing driving circuit

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
  • Driving circuit of electroluminescence display device
  • Driving circuit of electroluminescence display device
  • Driving circuit of electroluminescence display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0046] Regarding the current replication circuit used in the present invention, please refer to FIG. 2, which is a 1-bit circuit, which includes a first current storage unit CM1 and a second current storage unit CM2, each current storage unit is respectively It includes three transistors and a storage capacitor. The first current storage unit includes a first field effect transistor (FET) M1, a second field effect transistor M2, and a third field effect transistor M3.

[0047] Generally speaking, there are two main types of field effect transistors: metal oxide semiconductor field effect transistors (MOSFETs) and junction field effect transistors (JFETs). Field effect transistors use an external electric field to control their current, which is a voltage-controlled current source. . The present invention uses metal oxide semiconductor field effect transistors as main components, wherein the first field effect transistor M1 is an N-channel metal oxide semiconductor field effec...

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

A driver for electroluminescent display is composed of a n-bit shift register, a p-bit data register, a voltage data latch, a current source, a n+1-bit shift register, n D / A current converter, a m-bit shift register, and a current latch. Said D / A current converter consists of the first and the second current storage units.

Description

technical field [0001] The invention relates to a driving circuit, in particular to a driving circuit applied to driving an electroluminescent display device. Background technique [0002] Due to the development of information technology, Flat Panel Display (FPD) has gradually become the mainstream of electronic applications, involving various electrical appliances in daily life, including TVs, car dashboards, watches, advertising billboards, mobile phones, computer screens Wait. Currently, there are three types of flat panel display technologies, namely Liquid Crystal Display (LCD), Plasma Display Panel (PDP) and Electron Luminescent Display (ELD). [0003] Among them, liquid crystal displays have been widely used in notebook computers due to their low cost and low power consumption, and are gradually becoming the mainstream equipment of desktop computers. However, there are still many technical problems to be overcome urgently in the liquid crystal type, such as poor vie...

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
Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/30G09G3/00
Inventor 孟昭宇薛玮杰石安
Owner TPO DISPLAY