Backlight unit having fixed and removable metal core printed circuit board and liquid crystal display module having the same
US8502933B2 · kind B2 · utility
6Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2011 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Sep 23, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight unit includes a mold frame, a metal core printed circuit board (“MCPCB”) on which at least one light emitting diode (“LED”) is mounted, a reflector, a light guide plate, and an optical sheet. The mold frame includes an MCPCB fixing portion, the MCPCB is directly and removably disposed on the MCPCB fixing portion, and a lower surface of the MCPCB is exposed to the outside of the mold frame. On the MCPCB, a reflector, a light guide plate, and an optical sheet are placed in the order named. The light guide plate has a light entering surface facing the LED.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.