Camera module and electronic equipment
A camera and wavelength technology, applied in the direction of camera, camera body, installation, etc., can solve problems such as ghosting, achieve the effect of spot suppression and color shadow suppression, and excellent ghost suppression effect, excellent cut-off characteristics, low incident angle The effect of small dependence
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Embodiment 1
[0362]100 parts of resin A obtained in Resin Synthesis Example 1, 0.05 parts of the compound represented by the following formula (A1-1) (the maximum absorption wavelength in dichloromethane (dichloromethane) is 712 nm), and 0.12 parts of the compound represented by the formula (A3-1) (the absorption maximum wavelength in dichloromethane is 738nm), and the compound represented by the following formula (A2-1) (the absorption extreme in dichloromethane) A large wavelength of 776 nm) 0.05 parts, and methylene chloride (methylene chloride) to prepare a solution with a resin concentration of 20% by weight. The obtained solution was cast on a smooth glass plate, dried at 20°C for 8 hours, and then peeled from the glass plate. Furthermore, the peeled coating film was dried at 100°C for 8 hours under reduced pressure to obtain a base material including a transparent resin substrate having a thickness of 0.1 mm, a length of 60 mm, and a width of 60 mm.
[0363]As the dielectric multilayer film ...
Embodiment 2
[0375]In Example 1, 0.03 parts of the compound represented by the following formula (A1-2) (the absorption maximum wavelength in dichloromethane is 686 nm), 0.04 part of the compound represented by the formula (A2-1), and the following Except for 0.06 parts of the compound represented by the formula (C2-2) (the absorption maximum wavelength in dichloromethane is 760 nm), a transparent resin substrate was obtained in the same procedure and conditions as in Example 1.
[0376][化18]
[0377]
[0378][化19]
[0379]
[0380]On one side of the obtained transparent resin substrate, the resin composition (1) of the following composition was applied using a bar coater, and heated at 70°C for 2 minutes in an oven to volatilize and remove the solvent. At this time, the coating conditions of the bar coater were adjusted so that the thickness after drying was 2 μm. Secondly, use a conveyor belt exposure machine for exposure (exposure amount: 500mJ / cm2, 200mW) to harden the resin composition (1) to form a resin...
Embodiment 3
[0383]In Example 1, 0.04 part of (A1-1) compound and 0.03 part of (A1-2) compound, 0.10 part of (A3-1) compound, 0.04 part of (A2-1) compound and (C2-2) compound were used Except for 0.05 parts, the same procedure and conditions as in Example 1 were followed to obtain a base material including a transparent resin substrate. On both sides of the obtained substrate, the dielectric multilayer film (I) was provided in the same manner as in Example 1 to obtain an optical filter. The spectral transmittance of the optical filter was measured to evaluate the optical characteristics. In addition, using the obtained optical filter is made infigure 2 A camera module with an optical filter is incorporated in the position of (B), and the evaluation of light spot, color shading, and ghosting of the camera image is performed. Show the result inPicture 9 And in Table 4.
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