Direct type backlight module and liquid crystal display
US10514574B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2017 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Aug 3, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure discloses a direct type backlight module, which includes a back plate and a light source disposed on the back plate, wherein the light source includes a printed circuit board and a plurality of micro-LED chips electrically connected to the printed circuit board, the plurality of micro-LED chips are arranged in a matrix array on the printed circuit board, and a light shielding unit is disposed between any adjacent two micro-LED chips; and the printed circuit board is further connected with a backlight driving chip thereon which drives each of the plurality of micro-LED chips independently. The present disclosure further provides a liquid crystal display which includes the abovementioned direct type backlight module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.