Title:
量子ドット保護フィルム
Document Type and Number:
Japanese Patent JP7467881
Kind Code:
B2
Abstract:
To provide a quantum dot protective film having high adhesiveness to a phosphor layer and having an excellent barrier layer, a transmittance of 90% or more for total rays, and a film surface strength (hardness) within the range from F to 2H of pencil hardness.SOLUTION: The quantum dot protective film includes a mat film, a barrier film and a primer layer comprising an acrylic resin composition stacked in this order, in which the primer layer is disposed on a surface to be in contact with a phosphor layer. The mat film includes a mat layer comprising a filler and an acrylic resin formed on a first PET film; the barrier film includes a barrier layer formed on a second PET film; and the mat film and the barrier film are stacked with an adhesive therebetween. The primer layer comprising an acrylic resin composition is stacked on an outermost surface of the barrier film, and the primer layer has a film thickness of 0.3 to 1.1 μm.SELECTED DRAWING: Figure 1
Inventors:
Hiroki Ichizuka
Application Number:
JP2019195156A
Publication Date:
April 16, 2024
Filing Date:
October 28, 2019
Export Citation:
Assignee:
TOPPAN Holdings Co., Ltd.
International Classes:
B32B27/30; B32B27/36; G02F1/1335
Domestic Patent References:
| JP2019044136A | ||||
| JP2019101174A | ||||
| JP2017177668A | ||||
| JP2018130853A |
Foreign References:
| WO2018030401A1 | ||||
| WO2018105213A1 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Youhei Suzuki
Yoshiki Kuroki
Youhei Suzuki