18825596. LIGHT-EMITTING DEVICE AND LIQUID EJECTING DEVICE (SEIKO EPSON CORPORATION)
LIGHT-EMITTING DEVICE AND LIQUID EJECTING DEVICE
Organization Name
Inventor(s)
Hidekazu Kobayashi of HARA-MURA (JP)
LIGHT-EMITTING DEVICE AND LIQUID EJECTING DEVICE
This abstract first appeared for US patent application 18825596 titled 'LIGHT-EMITTING DEVICE AND LIQUID EJECTING DEVICE
Original Abstract Submitted
A light-emitting device includes a light source and a light-guiding member on which light emitted by the light source is incident and from which the light incident exits to an outside, wherein the light-guiding member includes a plate portion having a planar shape, a first hole provided in the plate portion, the first hole being a hole in which the light source is disposed, and a plurality of second holes provided in the plate portion, the plurality of second holes being located between the first hole and a peripheral edge of the light-guiding member in plan view of the plate portion, the plurality of second holes being provided at intervals along the peripheral edge, and the light source emits light toward a side surface of the first hole.