Patent · US Active

Light irradiation substrate

US10384075B2 · kind B2 · utility

2Cited by

4References

7Claims

0Family size

Assignee

SHARP KABUSHIKI KAISHA · JP

Inventors

Katsuji Iguchi · Sakai, JP
Jun Mori · Sakai, JP
Tohru Nakanishi · Minato, JP

Key dates

Filing date	Feb 15, 2016
Grant date	Aug 20, 2019
Priority date	—
Expiry date	Apr 22, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61N2005/0663
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A light irradiation substrate (1) includes a flexible substrate (5), first electrical conducting material patterns (15) composed of wirings (2) and a dummy pattern (6) which are provided on a front surface of the flexible substrate (5), and LED chips (4) each of which is mounted on each of the wirings (2), front surfaces of the first electrical conducting material patterns (15) are formed of a reflecting material having total light flux reflectance of 80% or more, and area coverage of the first electrical conducting material patterns (15) at least in a region surrounded by the LED chips (4) is 85% or more.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.