Color filter patterned by screen printing

Lee, Taik-Min; Choi, Yong-Jung; Nam, Su-Yong; You, Choon-Woo; Na, Dae-Yup; Choi, Hyeon-Cheol; Shin, Dong-Youn; Kim, Kwang-Young; Jung, Kwang-Il

doi:10.1016/j.tsf.2008.05.044

Cited by 70 publications

(44 citation statements)

References 5 publications

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“…), it has been a popular method to manufacture RFID antennas, FPCBs, electrodes for PDPs, and so forth. 6 In addition, one of the evident merits of screen printing is its ability to produce thick patterns. Moreover, the rotary screen printer, in which the film is supplied by roll-to-roll and the patterns are obtained continuously by roll type screen printing head, could offer more cost-effective production due to the faster and the larger productivity.…”

Section: Fabrication Of Printed Emi-shielding Mesh Filmsmentioning

confidence: 99%

Fabrication and measurement of the performance of a printed EMI shielding mesh filter on PET film

Kim

Lee

2011

Int. J. Precis. Eng. Manuf.

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Section: Fabrication Of Printed Emi-shielding Mesh Filmsmentioning

confidence: 99%

Fabrication and measurement of the performance of a printed EMI shielding mesh filter on PET film

Kim

Lee

2011

Int. J. Precis. Eng. Manuf.

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“…Inkjet printing has advantages over the other direct printing techniques, due to the characteristic of being non-contact, and also because of its efficient use of ink. [13][14][15] However, in inkjet printing there is an inherent difficulty involved in controlling the linewidth of the ink on the substrate while increasing the adhesion of the printed materials to the substrate. That is, when the substrate surface is treated to be hydrophobic in order to control the linewidth, the adhesion strength of the inkjet printed material to the substrate is decreased.…”

Section: Introductionmentioning

confidence: 99%

Linewidth Control and the Improved Adhesion of Inkjet-Printed Ag on Polyimide Substrate, Textured Using Near-Atmospheric Pressure Plasmas

Mun

Park

Yeom

2016

Plasma Process. Polym.

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In this paper, the effect of polyimide surface modification -using near-atmospheric pressure plasmas -on the line width and adhesion of inkjet-printed Ag was investigated by texturing and modifying the chemical composition of the polyimide surface. The polyimide surface was textured with He/O 2 , to increase the surface area of the polyimide substrate and it increased the water contact angle from 57 to 1378, when the textured polyimide surface was treated with a SF 6 plasma after the texturing process. The textured polyimide surface also exhibited the increased adhesion strength of Ag film (by about two times), due to the increase in the contact area, as expected, according to the Wenzel model. The linewidth of the inkjet-printed Ag line decreased by about ten times from 330 mm (for the flat polyimide surface) to 23 mm (for the textured polyimide surface) in addition to having smoother line edges.

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“…These processes need only one-step process to transfer pattern onto target surface, studied by Pudas et al, Lee et al, and Chun et al [3][4][5]. Owing to its high line resolution, the gravure offset printing technology may replace the current photolithography process and is considered as the advanced manufacturing technology for next generation electronic products [6].…”

Section: Introductionmentioning

confidence: 99%

Ultrafast Laser Engraving Method to Fabricate Gravure Plate for Printed Metal-Mesh Touch Panel

et al. 2015

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Abstract:In order to engrave gravure plate with fine lines structures, conventional art used lithography with dry/wet etching. Lithography with dry/wet etching method allows to engrave lines with smooth concave shape, but its disadvantages include difficulty in controlling aspect ratio, high and uniform in large size process, substrate material limitation due to etching solution availability, and process complexity. We developed ultra-fast laser technology to directly engrave a stainless plate, a gravure plate, to be used for fabricating 23 in. metal-mesh touch panel by gravure offset printing process. The technology employs high energy pulse to ablate materials from a substrate. Because the ultra-fast laser pulse duration is shorter than the energy dissipation time between material lattices, there is no heating issue during the ablation process. Therefore, no volcano-type protrusion on the engraved line edges occurs, leading to good printing quality. After laser engraving, we then reduce surface roughness of the gravure plate using electro-polishing process. Diamond like carbon (DLC) coating layer is then added onto the surface to increase scratch resistance. We show that this procedure can fabricate gravure plate for gravure offset printing process with minimum printing linewidth 10.7 µm. A 23 in. metal-mesh pattern was printed using such gravure plate and fully functional touch panel was demonstrated in this work.

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Color filter patterned by screen printing

Cited by 70 publications

References 5 publications

Fabrication and measurement of the performance of a printed EMI shielding mesh filter on PET film

Fabrication and measurement of the performance of a printed EMI shielding mesh filter on PET film

Linewidth Control and the Improved Adhesion of Inkjet-Printed Ag on Polyimide Substrate, Textured Using Near-Atmospheric Pressure Plasmas

Ultrafast Laser Engraving Method to Fabricate Gravure Plate for Printed Metal-Mesh Touch Panel

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