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Patent Searching and Data


Title:
ILLUMINATION DISPLAY PANEL AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/079594
Kind Code:
A1
Abstract:
[Problem] To provide an illumination display device that has favorable light-guiding efficiency, saves space, and has a simple assembly process, and a method for manufacturing the same. [Solution] According to the present invention, an illumination display panel 1 that has display locations 1a where illumination display is possible and that forms a part of a housing comprises: a resin panel 2 having a first formation part 21 made of an opaque resin that is present except at the display locations 1a, and a second formation part 22 disposed on the rear surface of the first formation part and made of a light-transmissive resin having protrusions 22a at sections where the first formation part 21 is not present, the protrusions being fitted to the first formation part 21; and a light source mounting substrate 3 disposed on the rear surface side of the resin panel. At least light sources 31 of the light source mounting substrate 3 are sealed by the second formation part 22. An integrated molded article of the light source mounting substrate 3 and the second formation part 22 is filled at low pressure while compressing a cavity of a molding die and solidified.

Inventors:
TANIGUCHI CHUZO (JP)
OMOTE RYOMEI (JP)
SHIBATA JUNICHI (JP)
SASAKI JUN (JP)
SAKATA YOSHIHIRO (JP)
KUROSAKI TOSHIFUMI (JP)
MORIMOTO SHOHEI (JP)
Application Number:
PCT/JP2020/031023
Publication Date:
April 29, 2021
Filing Date:
August 17, 2020
Export Citation:
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Assignee:
NISSHA CO LTD (JP)
International Classes:
B29C45/14; B29C33/42; B29C43/18; B29C43/36; B29C69/02; G09F13/08; G09F13/18
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