US 11,754,879 B2
Light source device
Toshiyuki Hashimoto, Anan (JP); and Shimpei Sasaoka, Tokushima (JP)
Assigned to NICHIA CORPORATION, Anan (JP)
Filed by NICHIA CORPORATION, Anan (JP)
Filed on May 10, 2022, as Appl. No. 17/741,063.
Application 17/741,063 is a continuation of application No. 17/172,991, filed on Feb. 10, 2021, granted, now 11,372,286.
Application 17/172,991 is a continuation of application No. 16/811,880, filed on Mar. 6, 2020, granted, now 10,948,775, issued on Mar. 16, 2021.
Claims priority of application No. 2019-042718 (JP), filed on Mar. 8, 2019; and application No. 2020-025979 (JP), filed on Feb. 19, 2020.
Prior Publication US 2022/0269137 A1, Aug. 25, 2022
Int. Cl. G02F 1/13357 (2006.01); B60K 35/00 (2006.01)
CPC G02F 1/133611 (2013.01) [G02F 1/133603 (2013.01); G02F 1/133605 (2013.01); G02F 1/133608 (2013.01); B60K 35/00 (2013.01); B60K 2370/332 (2019.05)] 11 Claims
OG exemplary drawing
 
1. A light source device comprising:
a plurality of light sources;
a substrate on which the light sources are arranged; and
a reflective member arranged on the substrate via an adhesive member, the reflective member defining a plurality of through holes, the reflective member including
first walls defining a first region surrounded by the first walls in a plan view, and
second walls located on an outer side of the first walls and defining a second region having an opening facing outside of the reflective member in the plan view, an area of the second region being smaller than an area of the first region, wherein
the light sources are respectively disposed inside the through holes in a plan view, and
the adhesive member is light-reflective.