Modified carbon black particle, color paste, composition, color film substrate and preparation methods thereof, as well as liquid crystal display panel and TFT-LCD display device

A technology of carbon black particles and modified carbon black, which is applied in the treatment of dyed low molecular organic compounds, dyed high molecular organic compounds, pigment slurry, etc. Produces the effect of distinct white lines

Inactive Publication Date: 2015-06-17
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides modified carbon black particles, color paste, composition, color film substrate and preparation method thereof, liquid crystal panel and TFT-LCD display device, which are used to solve the problem of starting the ADS type TFT-LCD display device in the prior art. The problem of obvious white lines on both sides of the instant black screen

Method used

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  • Modified carbon black particle, color paste, composition, color film substrate and preparation methods thereof, as well as liquid crystal display panel and TFT-LCD display device
  • Modified carbon black particle, color paste, composition, color film substrate and preparation methods thereof, as well as liquid crystal display panel and TFT-LCD display device
  • Modified carbon black particle, color paste, composition, color film substrate and preparation methods thereof, as well as liquid crystal display panel and TFT-LCD display device

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preparation example Construction

[0039] According to the preparation method of modified carbon black particles of the present invention, the method provides raw materials in parts by mass: 5-20 parts of carbon black particles, 5-40 parts of resin, 0.1-5 parts of catalyst and 30-85 parts of solvent; and The method includes a coating step: adding carbon black particles and resin into a solvent, stirring and raising the temperature to 60-110 DEG C, adding a catalyst, and reacting for 1-5 hours to obtain a modified carbon black particle solution.

[0040] according to image 3 It can be seen that a large number of polar carboxyl groups and hydroxyl groups are distributed on the surface of carbon black particles. Although carbon black particles themselves have high optical density, due to the existence of polar groups on their surface, the conductivity is enhanced and the impedance performance is reduced. Carbon black particles 1121 The black matrix 1120 on the color filter substrate 1100 prepared as a raw materia...

Embodiment approach

[0043] According to one embodiment of the method for preparing modified carbon black particles of the present invention, the catalyst is preferably: organotin compounds, tertiary amine compounds and p-toluenesulfonic acid; wherein the organotin compounds are further preferably dibutyltin dilaurate or stannous octoate ; The tertiary amine compound is preferably one of the following: triethylamine, triethanolamine and triethyleneamine.

[0044] According to the preparation method of the present invention, the method further includes a post-processing step: under stirring at 1000-25000 rpm, 5-20 parts by mass of the modified carbon black particle solution is added dropwise to 80-95 parts by mass In the ethanol solution, stir until the carbon black particles are completely dispersed, then filter, and sieve and dry the obtained filter cake to obtain modified carbon black particles.

[0045] According to the preparation method of the present invention, the modified carbon black part...

Embodiment 1

[0071] According to the preparation method of modified carbon black particles of the present invention, the method provides raw materials in parts by mass: 5 parts of carbon black particles, 5 parts of resin, 0.1 part of catalyst and 30 parts of solvent; and the method includes a coating step: Add the carbon black particles and resin into the solvent, stir and raise the temperature to 60°C, add the catalyst, and react for 1 hour to obtain the modified carbon black particle solution. The method further includes a post-processing step: under stirring at 1000rpm, 5 parts by mass parts of the modified carbon black particle solution is added dropwise to 80 parts by mass part of the ethanol solution, and the mixture is stirred until the carbon black particles are completely dispersed. filtering, sieving and drying the obtained filter cake to obtain modified carbon black particles, and the resin is epoxy resin.

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Abstract

The invention discloses a modified carbon black particle, a color paste, a composition, a color film substrate and preparation methods thereof, as well as a liquid crystal display panel and a TFT-LCD display device. The preparation method of the modified carbon black particle disclosed by the invention comprises the following steps: providing the following raw materials in parts by weight: 5-20 parts of carbon black particles, 5-40 parts of resin, 0.1-5 parts of a catalyst and 30-85 parts of a solvent; a covering step, to be specific, adding the carbon black particles and the resin into the solvent, stirring and raising the temperature to be 60-110 DEG C, adding the catalyst, and reacting for 1-5 h to obtain a modified carbon black particle solution. The color paste comprises the modified carbon black particles, the composition comprises the color paste, the color film substrate comprises a black matrix prepared by being covered with the composition, the liquid crystal display panel comprises the color film substrate, and the TFT-LCD display device comprises the liquid crystal display panel. According to the TFT-LCD display device disclosed by the invention, the problem of white lines generated when starting is overcome.

Description

technical field [0001] The invention relates to the field of liquid crystal display, in particular to modified carbon black particles, color paste, composition, color filter substrate and preparation method thereof, liquid crystal panel and TFT-LCD display device. Background technique [0002] With the development of science and technology, the types of liquid crystal display devices are introduced new ones. Liquid crystal panel manufacturers have introduced display devices of various display modes according to their own technologies, such as: TN type, ADS type, IPS type, VA type and MVA type. ADS (Advanced Super Dimension, advanced ultra-dimensional field switching technology) display mode forms a multidimensional electric field through the electric field generated by the edge of the slit electrode in the same plane, and the electric field generated between the slit electrode layer and the plate electrode layer. The multidimensional electric field can All the oriented liqui...

Claims

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Application Information

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IPC IPC(8): C09C1/48C09C3/10C09C3/08G02F1/1335C09D17/00G03F7/033
Inventor 杨同华汪栋吴洪江
Owner BOE TECH GRP CO LTD
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