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

Photosensitive resin composition for organic light emitting diodes

A technology of photosensitive resin and composition, which is applied in the field of science and technology, can solve the problems of reduced numerical aperture and long process time, and achieve the effect of increasing numerical aperture, shortening process time and excellent performance

Inactive Publication Date: 2007-06-20
DONGJIN SEMICHEM CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when forming existing insulators and spacers, there is a problem that the process time is long due to the 2-step (2-step) process. Margin) leads to the problem of reducing the numerical aperture

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
  • Photosensitive resin composition for organic light emitting diodes
  • Photosensitive resin composition for organic light emitting diodes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] (manufacturing novolac resin)

[0071] 45 g of m-cresol, 55 g of p-cresol, 65 g of formaldehyde, and 0.5 g of oxalic acid were added to an overhead mixer and stirred to prepare a homogeneous mixture. The homogeneous mixture was heated at 95°C and maintained at this temperature for 4 hours. The reflux condenser was replaced by a distillation apparatus, and the temperature of the homogeneous mixture was controlled at 110° C. for 2 hours for distillation. Vacuum distillation was carried out at 180° C. for 2 hours to remove residual monomers, and the molten novolac resin was cooled at room temperature. Thereafter, the weight average molecular weight was measured by GPC to obtain a novolak resin having a weight average molecular weight of 3,500. In this case, the weight average molecular weight is a polystyrene conversion average molecular weight measured using GPC.

[0072] (Manufacture of 1,2-quinonediazide compound)

[0073] Make 1 mole of 4,4'-[1-[4-[1-[4-hydroxyphen...

Embodiment 2

[0077] When polymerizing the novolak resin in said embodiment 1, as a monomer, use 70g m-cresol and 30g xylenol to replace 45g m-cresol and 55g p-cresol, in addition, adopt and described embodiment 1 The photosensitive resin composition was produced in the same manner.

Embodiment 3

[0079] When polymerizing the novolak resin in said embodiment 1, as a monomer, use 35g m-cresol, 40g p-cresol and 25g xylenol to replace 45g m-cresol and 55g p-cresol, in addition, use A photosensitive resin composition was produced in the same manner as in Example 1.

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

PropertyMeasurementUnit
strengthaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention provides a photosensitive resin composition for organic light-emmiting diode(OLED), which has excellent performance such as sensitivity and low dielectric property, and particularly, which can simultaneously form patterns of insulator and isolator using a photosensitive resin composition to shorten the working procedure time, furthermore, the numerical aperture of panel is greatly improved, suitable for manufacture process of OLED. The photosensitive resin composition for OLED of the invention is characterised in that it comprises: a)novolak resins manufactured by step polymerization; b)1,2-diazidoquinone compound; c)photo-acid generator; d)cross linking agent of melamine; and e)solvent.

Description

technical field [0001] The present invention relates to a photosensitive resin composition for organic light emitting diodes (OLED, organic light emitting diodes). Using a photosensitive resin composition to simultaneously form the patterns of the two types of insulator (insulator) and spacer (separator) can shorten the process time, not only that, but also significantly improve the numerical aperture (aperture ratio) on the panel (panel). ), suitable for OLED manufacturing process. Background technique [0002] Recently, in the manufacturing process of OLED, LCD, PDP, etc., the photoresist (photoresist) and process development which can shorten process time and obtain an excellent numerical aperture are requested|required. [0003] The insulators used in the conventional OLED manufacturing process contain components such as PAC, binders, and solvents. The binders mainly use acrylics and imines, and the separators use PAG and novolac resins. , crosslinking agent, solvent a...

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 Applications(China)
IPC IPC(8): G03F7/008G03F7/028G03F7/004
Inventor 李浩真尹赫敏申洪大金柄郁尹柱豹丘冀赫吕泰勳郑义澈金东明崔相角李东赫
Owner DONGJIN SEMICHEM CO LTD