Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Inorganic light-emitting diode display device

A technology of light-emitting diodes and optical devices, which is applied to electrical components, electrical solid-state devices, circuits, etc., can solve problems such as difficulty in realizing projection display efficiency, and achieve the effect of increasing the effective display area and reducing heat generation.

Active Publication Date: 2010-09-29
南昌宁嘉电子技术有限公司
View PDF0 Cites 29 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic electroluminescent display devices are self-luminous devices, but in terms of the luminous efficiency of existing organic electroluminescent materials, it is difficult to achieve the efficiency required for projection display

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
  • Inorganic light-emitting diode display device
  • Inorganic light-emitting diode display device
  • Inorganic light-emitting diode display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] figure 1 A structural schematic diagram of a passive matrix driven inorganic light emitting diode matrix display device is shown. Such as figure 1 As shown, the inorganic light-emitting diode matrix display device includes: electronic conductive electrodes and lead wires 1, electronic conductive layer 2 of inorganic light-emitting diodes, light-emitting layer 3 of inorganic light-emitting diodes, hole-type conductive layers 4 of inorganic light-emitting diodes, inorganic light-emitting diodes Hole-type electrodes and leads 5 of the light-emitting diode, insulating layer 6 , substrate 7 , black matrix 21 , red photo-conversion luminescent film 22 , and green photo-conversion luminescent film 23 .

[0038] Among them, the electronic conductive electrode and the lead wire 1 are made of metal materials titanium (Ti) and aluminum (Al), each semiconductor layer of the inorganic light emitting diode (including the electronic conductive layer 2 of the inorganic light emitting ...

Embodiment 2

[0053] figure 2 A structural schematic diagram of another inorganic light-emitting diode matrix display device driven by a passive matrix is ​​shown. figure 2 The display device shown with the figure 1 The display device shown is substantially the same except that a blue absorbing optical film 24 is also included. The blue absorptive optical film 24 is made of materials such as phthalo-bronze and its derivatives dispersed in photosensitive resin (such as acrylic). In addition to the steps in Example 1, its specific manufacturing steps also include a step of making a blue absorptive optical film, that is, to make a blue absorptive optical film 24 by coating (acrylic-based acrylic phthalo-bronze dispersed in In the photosensitive resin), the pattern corresponding to the blue sub-pixel is formed by exposure and etching.

[0054] In the case of electronic electrodes and lead wires in one direction driven by this passive matrix, signals are applied to hole-type electrodes and ...

Embodiment 3

[0056] The inorganic light emitting diode matrix display device in the third embodiment is basically the same as the inorganic light emitting diode matrix display device in the second embodiment. The permanent optical film 24 is replaced by a blue photoconversion luminescent film 24. The blue photosensitive conversion luminescent film 24 is made of gallium nitride (ie (Al)Ga(In)N) semiconductor material doped with aluminum and indium, and its specific manufacturing process is: the method of metal-organic chemical vapor deposition to produce green light The electroconverting luminescent film 24 is formed by a stripping method corresponding to the photoluminescence required by the blue sub-pixel.

[0057] In the passive matrix-driven display matrix, when the electron-type electrodes and leads in one direction of the display matrix are gated, the hole-type electrodes and leads in the other direction are applied with signals, and the inorganic light-emitting diodes that cross the ...

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 relates to an inorganic light-emitting diode matrix display device. The device comprises a plurality of pixels, wherein the plurality of pixels are arranged on a crystal substrate, comprise an inorganic light-emitting diode display device and can comprise an active driving device; and light emitted by the inorganic light-emitting diode display device is transmitted through the substrate. The matrix display device can also comprise two substrates; the pixels on one substrate comprise the inorganic light-emitting diode display device, and the pixels on the other substrate comprise a driving device; and corresponding luminous pixels and pixel driving devices of the two substrates are connected with each other through a conductive material. The light-emitting diode matrix display device can realize single-color display or multi-color display and can be effectively applied to projecting devices and in the micro-display field.

Description

technical field [0001] The invention relates to a display device, in particular to an inorganic light emitting diode matrix display device. The invention also relates to a method for producing such an inorganic light emitting diode matrix display device. Background technique [0002] In the current flat panel display field, liquid crystal displays occupy a mainstream position. Organic electroluminescent display devices are self-luminous devices, which have the advantages of fast response time, high color saturation, and wide viewing angle. size TV) into commercial applications. Inorganic light-emitting diodes are mainly used in the field of lighting. Due to their advantages of power saving, high color saturation and high luminous efficiency, they have recently been used in the backlight of liquid crystal displays and liquid crystal display on silicon (LCOS) projectors. light source field. [0003] Micro projectors are products needed in the information age. The main com...

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): H01L27/15H01L21/86
Inventor 孙润光刘宏宇
Owner 南昌宁嘉电子技术有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com