US 12,032,194 B2
Illumination display panel and method of manufacturing the same
Chuzo Taniguchi, Kyoko (JP); Ryomei Omote, Kyoko (JP); Junichi Shibata, Kyoko (JP); Jun Sasaki, Kyoko (JP); Yoshihiro Sakata, Kyoko (JP); Toshifumi Kurosaki, Kyoko (JP); and Shohei Morimoto, Kyoko (JP)
Assigned to NISSHA CO., LTD., Kyoto (JP)
Appl. No. 17/754,387
Filed by NISSHA CO., LTD., Kyoto (JP)
PCT Filed Aug. 17, 2020, PCT No. PCT/JP2020/031023
§ 371(c)(1), (2) Date Mar. 31, 2022,
PCT Pub. No. WO2021/079594, PCT Pub. Date Apr. 29, 2021.
Application 17/754,387 is a continuation of application No. PCT/JP2020/031023, filed on Aug. 17, 2020.
Claims priority of application No. 2019-193031 (JP), filed on Oct. 23, 2019.
Prior Publication US 2022/0252778 A1, Aug. 11, 2022
Int. Cl. F21V 8/00 (2006.01); B29C 45/14 (2006.01); B29C 45/16 (2006.01); B29L 31/34 (2006.01); H01L 25/075 (2006.01); H01L 25/16 (2023.01); H01L 33/54 (2010.01); H10K 50/844 (2023.01); H10K 50/858 (2023.01); H10K 71/00 (2023.01); H10K 102/00 (2023.01)
CPC G02B 6/0021 (2013.01) [B29C 45/14688 (2013.01); B29C 45/1671 (2013.01); G02B 6/0065 (2013.01); H01L 25/0753 (2013.01); H01L 33/54 (2013.01); H10K 50/844 (2023.02); H10K 50/858 (2023.02); H10K 71/00 (2023.02); B29K 2995/0025 (2013.01); B29K 2995/0026 (2013.01); B29L 2031/3475 (2013.01); G02B 6/0068 (2013.01); G02B 6/0073 (2013.01); H01L 25/167 (2013.01); H01L 2933/005 (2013.01); H10K 2102/351 (2023.02)] 14 Claims
OG exemplary drawing
 
1. An illumination display panel constituting a portion of a housing and including a display portion that is displayable in illumination, the illumination display panel comprising:
a resin panel including a first molded portion and a second molded portion, the first molded portion being present at a portion excluding the display portion, the second molded portion being disposed on a back surface side of the first molded portion, the second molded portion including a protrusion fitted with the first molded portion at a portion where the first molded portion is absent, the second molded portion being made of a light-transmitting resin that transmits light guided to the display portion, the first molded portion being made of an opaque resin having a transmittance of light lower than a transmittance of light of the second molded portion; and
a light source mounting substrate that includes a light source and a film substrate, the light source being disposed on a back surface side of the resin panel, light from the light source being guided to the display portion, the light source being mounted on the film substrate, wherein
at least the light source of the light source mounting substrate is sealed with the second molded portion.