US 12,303,938 B2
Dazzling colored base layer, decorative film and housing, processing methods therefor and electronic device
Can Wang, Beijing (CN)
Assigned to BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing (CN)
Filed by Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
Filed on Jun. 29, 2022, as Appl. No. 17/809,818.
Claims priority of application No. 202210267587.7 (CN), filed on Mar. 17, 2022.
Prior Publication US 2023/0294130 A1, Sep. 21, 2023
Int. Cl. B05D 5/06 (2006.01); B05D 3/12 (2006.01); B05D 7/00 (2006.01)
CPC B05D 5/061 (2013.01) [B05D 3/12 (2013.01); B05D 7/58 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A decorative film, comprising:
a dazzling colored base layer, comprising:
first material layers; and
second material layers, the second material layers and the first material layers being alternately arranged, and a refractive index of a material of the first material layers being different from a refractive index of a material of the second material layers;
the dazzling colored base layer further comprising a first surface and a second surface that are oppositely arranged; and
a first decorative layer and/or a second decorative layer, the first decorative layer being arranged on the first surface, wherein the first decorative layer includes a semitransparent ink layer and a first coating layer, the semitransparent ink layer is arranged on the first surface, and the first coating layer is arranged on a surface, away from the dazzling colored base layer, of the semitransparent ink layer, the semitransparent ink layer is formed by a winding spreading process, and the first coating layer is formed by a winding coating process; and the second decorative layer being arranged on the second surface, wherein the second decorative layer includes a texture layer, a second coating layer and a cover bottom ink layer, the texture layer is arranged on the second surface, the second coating layer is arranged on a surface, away from the dazzling colored base layer, of the texture layer, and the cover bottom ink layer is arranged on a surface, away from the texture layer, of the second coating layer.