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Photosensitive resin composition, thin film panel made with photosensitive resin composition, and method for manufacturing thin film panel

a technology of resin composition and resin composition, which is applied in the direction of photomechanical equipment, instruments, non-linear optics, etc., can solve the problems of degrading the image quality of the display device, spot or staining of conventional photosensitive organic insulating layers,

Inactive Publication Date: 2007-11-01
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is a photosensitive resin composition that includes an alkali-soluble resin, a quinone diazide, a surfactant, and a solvent. The surfactant includes an organic fluorine compound, a first silicone compound, and a second silicone compound. The composition can be used to create thin film panels with precise patterns. The technical effects of the invention include improved pattern accuracy and reliability, as well as improved adhesion and durability of the thin film panels.

Problems solved by technology

However, conventional photosensitive organic insulating layers often have spots or stains.
These portions with extra thickness may not completely dissolve during the development such that they remain to form stains, degrading the image quality of the display device.

Method used

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  • Photosensitive resin composition, thin film panel made with photosensitive resin composition, and method for manufacturing thin film panel
  • Photosensitive resin composition, thin film panel made with photosensitive resin composition, and method for manufacturing thin film panel
  • Photosensitive resin composition, thin film panel made with photosensitive resin composition, and method for manufacturing thin film panel

Examples

Experimental program
Comparison scheme
Effect test

embodiment 1

SYNTHESIS EXAMPLE 1

[0186] Alkali-soluble Resin Synthesis

[0187] Following materials were put into a 200-ml flask provided with an agitator, a cooled tube, and a thermometer:

methacrylate 6.8 g;N-cyclohexyl maleimide14.2 g;3-ethyl-3-methacryloxymethyloxetane17.8 g;ethyl 3-ethoxypropionate45.3 g;diethylene glycol methyl ethyl ether45.3 g; andazobisisobutyronitrile 1.1 g

[0188] The flask was then immersed in an oil bath and agitated for about three hours under nitrogen (N2) atmosphere with maintaining the temperature of the interior of the flask at about 10-110° C. As a result, an alkali-soluble resin Al was obtained, which had a weight average molecular weight (Mw) of about 8,000 based on polystyrene standards.

[0189] The measurement of the weight average molecular weight was performed by

[0190] GPC under the following conditions:

[0191] Device: HLC-8120GPC (manufactured by TOSOH Corporation in Japan)

[0192] Columns: TSK-GELG4000HXL+TSK-GELG2000HXL (serial connection) (manufactured b...

synthesis example 2

[0200] First Silicone Compound (Chemical Formula 2) Synthesis

[0201] 204 g of polyoxyethylene having a molecular chain that has an allyl group at a terminal thereof and an OH group at another terminal thereof as shown in chemical formula 4,300 g isopropyl alcohol, 0.5 g isopropyl alcohol containing 2% chloroplatinic acid, and 1 g potassium acetate were put into a flask and uniformly mixed. The temperature was then increased up to a reflux temperature (i.e., 83° C.) of isopropyl alcohol, and 111 g of methyl siloxane having Chemical Formula 5 was gradually dropped into the reflux to perform addition reaction.

[0202] After the addition of methyl siloxane, the reaction was maintained for four hours and terminated after the formation of SiH group was confirmed. Thereafter, the product was heated for two hours under 110° C. and 10 mmHg to remove isopropyl alcohol, and a 310 g compound having Chemical Formula 6.

example 1

Preparation of Photosensitive Resin Composition 1

[0203] 100 parts by weight of alkali-soluble resin A1, 22 parts by weight of quinone diazide having Chemical Formula 7, two parts by weight of (p-tolyl)(p-isopropylphenyl)iodonium tetrakis(pentafluorophenyl)borate as a cationic polymerization initiator, a surfactant including 0.08 parts by weight of 3-perfluorooctyl-1,2-epoxypropane as a fluorosurfactant, 0.08 parts by weight of a first silicone compound having Chemical Formula 6, and 0.15 parts by weight of SH8400 (manufactured by Dow Corning Toray Silicone Co., Ltd.) as a second silicone compound, and a solvent including 291 parts by weight of ethyl 3-ethoxy propionate, 291 parts by weight of diethylene glycol methylethyl ether, 32 parts by weight of butyl acetate, and 32 parts by weight of butyl lactate are mixed at 23° C., and they were filtrated under pressure through a polytetrafluoroethylene cartridge filter having a pore diameter of 1.0 micron to obtain a photosensitive resi...

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Abstract

A photosensitive resin composition includes an alkali-soluble resin, a quinone diazide, a surfactant, and a solvent. The surfactant includes an organic fluorine compound having the structure a first silicone compound having the structure a second silicone compound having the structure The resin composition may be used in display panels.

Description

CROSS-REFERENCE TO RELATED APPLICATION [0001] This application claims priority from Korean Patent Application No. 10-2004-0112255 filed on Dec. 24, 2004, the content of which is incorporated by reference herein in its entirety. BACKGROUND OF THE INVENTION [0002] (a) Field of the Invention [0003] The present invention relates generally to a photosensitive resin composition, a thin film panel including a layer made with the photosensitive resin composition, and method of manufacturing the thin film panel. In particular, the invention relates to a photosensitive resin composition for insulation of a display panel. [0004] (b) Description of Related Art [0005] An active type display device such as an active matrix (AM) liquid crystal display (LCD) and an active matrix organic light emitting diode (OLED) display includes a plurality of pixels arranged in a matrix. The pixels in the matrix include switching elements, and the pixel boundaries are usually formed by a plurality of signal line...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C09K19/40
CPCG03F7/0046G03F7/0048G03F7/0226G03F7/0757H01L27/1248H01L21/3121H01L27/14632H01L27/124H01L21/2855H01L21/02282H01L21/0212H01L21/02126G03F7/022H01L21/02107H01L27/1214
Inventor LEE, HI-KUKYAKO, YUKOKIM, KYU-YOUNG
Owner SAMSUNG DISPLAY CO LTD
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