Display panel
A technology for display screens and display parts, which is applied in the field of display screens and can solve problems such as limited use and high prices of ITO films
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Examples
Embodiment 1
[0046] On one side of polyethylene terephthalate with a thickness of 125 μm, an aqueous dispersion of a conductive polymer composed of polyethylene dioxythiophene and polystyrene sulfonic acid is coated to obtain a conductive film laminated with a film thickness of 96 nm. A film of a permanent polymer (trade name: Orgacom™ EL-1500, manufactured by Agfa-Gevaert, N.V.).
[0047] Table 1 shows the physical properties of the films and the image evaluation results when these films were installed in the backlight system of a liquid crystal display instead of the ITO film. In addition, the membrane is clamped with metal spring clamps, and the metal spring clamps and the housing are connected with wires to ground the membrane. As shown in Table 1, the display screen provided with this film has no disorder in the picture, and the white balance is also within the fine-tuning range, with only slight yellowing.
Embodiment 2
[0049] On the back of the film of Example 1 (the reverse side of the conductive polymer layer), 170 parts of acrylic polyol resin (solid content 50%), 30 parts of isocyanate curing agent resin (solid content 60%), average particle diameter 18 μm, 200 parts of a resin solution having a coefficient of variation of 25.6% (solvent: n-butyl acetate / MEK) was used to obtain a conductive polymer film having a light-diffusing layer having a thickness of 36 μm after drying. This film was evaluated in the same manner as in Example 1, and the results are shown in Table 1. As shown in Table 1, the display screen with this film has no disorder in the image, and the white balance is also within the fine-tuning range, with only slight yellowing.
[0050] In addition, this film was installed as a substitute by removing the light-diffusing film and ITO film of the lower stage of the optical film system (2).
Embodiment 3、4、5、6、 and comparative example 3、4
[0054] Coated on one side of polyethylene terephthalate with a thickness of 125 μm, polyester resin obtained by copolymerizing styrene sulfonic acid in the lamination film manufacturing process, and stretched polyester film (Toray Co., Ltd. (manufactured by Agfa-Gevaert N.V.) was coated with a conductive polymer aqueous dispersion (trade name: OrgacomTM EL-1500, manufactured by Agfa-Gevaert N.V.) composed of polyethylenedioxythiophene and polystyrenesulfonic acid having different resistance values to prepare a film. In the same manner as in Example 1, these films were incorporated in the backlight system of a liquid crystal display instead of the ITO film, and the image evaluation results at the time of installation are shown in Table 1. In addition, the film thicknesses of the conductive polymers were Example 3: 80 nm, Example 4: 50 nm, Example 5: 200 nm, Example 6: 280 nm, Comparative Example 3: 30 nm, and Comparative Example 4: 400 nm.
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Abstract
Description
Claims
Application Information
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