Black photosensitive resin composition and application thereof
A technology of photosensitive resin and composition, applied in optics, opto-mechanical equipment, nonlinear optics, etc., can solve problems such as poor dielectric constant and poor linearity of high-definition patterns
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[0639] Preparation of black photosensitive resin composition
[0640] The preparation of the black photosensitive resin composition is to place the aforementioned alkali-soluble resin (A), compound (B) with ethylenically unsaturated groups, photoinitiator (C), solvent (D) and black pigment (E) Stir in a stirrer to make it uniformly mixed into a solution state. If necessary, epoxy-based silane compound (F) and / or additive (G) can also be added. After uniform mixing, a black photosensitive solution state can be obtained. Resin composition.
[0641] Secondly, the preparation method of the black photosensitive resin composition is not particularly limited. The black pigment (E) can be directly added to the mixture composed of the alkali-soluble resin (A), the compound (B) having an ethylenically unsaturated group, the photoinitiator (C) and the solvent (D), and can be dispersed The photosensitive resin composition in the aforementioned solution state is formed. Alternatively, a...
Embodiment 1
[0683] 100 parts by weight of the aforementioned alkali-soluble resin A-1-1, 30 parts by weight of dipentaerythritol hexaacrylate (hereinafter referred to as B-2-1), 0.1 parts by weight of the first photoinitiator (C-1- 1; as the compound of formula (I-1), 0.2 parts by weight of 1-chloro-4-propoxythioxanthone (C-2-1), 0.1 parts by weight of 1-[9-ethyl-6 -(2-methylbenzoyl)-9H-carbazole-3-substituent]-ethanone-1-(O-acetyl oxime) (hereinafter referred to as C-3-1), 10 parts by weight The first black pigment (E-1-1), 5 parts by weight of the second black pigment (trade name MA220; hereinafter referred to as E-2-1) and 0.5 parts by weight of 3-glycidyl ether propyl trimethoxy Silane (F-1) was added to 300 parts by weight of propylene glycol monomethyl ether acetate (hereinafter referred to as D-1), and after stirring with a shaking type stirrer (shaking type stirrer), the embodiment 1 black photosensitive resin composition. The obtained photosensitive resin composition was evalua...
Embodiment 2 to 13 and comparative example 1 to 5
[0685]Examples 2 to 13 and Comparative Examples 1 to 5 use the same preparation method as that of the black photosensitive resin composition of Example 1, the difference is that Examples 2 to 13 and Comparative Examples 1 to 5 change the black color The types and amounts of raw materials in the photosensitive resin composition, and their formulations and evaluation results are shown in Table 1 and Table 2, respectively, and will not be repeated here.
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[0688] Table 2
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[0690] In Table 1 and Table 2:
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[0693] Evaluation method
[0694] Linearity of high-definition patterns
[0695] The black photosensitive resin compositions of the above-mentioned examples and comparative examples were coated on a glass substrate of 100 mm×100 mm by spin coating. Then, dry under reduced pressure at a pressure of about 100 millimeters of mercury (mmHg) for about 30 seconds. Next, the above-mentioned glass substrate was prebaked at 8...
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