Photoirradiation substrate
US10974062B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 21, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Jan 16, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0652
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention includes: a front-side positive trace (2P) disposed on a flexible substrate (5); a positive external connection line (12P) connected to the front-side positive trace (2P) to supply electric power; and LED chips (4) provided to the flexible substrate (5) and connected to the front-side positive trace (2P), wherein an electric resistance between the positive external connection line (12P) and one of the LED chips (4) which is farthest from the positive external connection line (12P) is less than an internal resistance of the one of the LED chips (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.