Backlight unit
View Patent ↗This relates to a backlight unit that is adaptive for reducing leakage current. A backlight unit according to an embodiment of the present invention includes: a plurality of lamps; a common electrode electrically connected to an electrode of any one of the lamps; and a lower side support that supports the common electrode and that includes a shielding part, wherein the shielding part is in between a portion of the common electrode and the electrode.
1. A backlight unit, comprising:
a plurality of lamps;
a common electrode electrically connected to an external electrode of any one of the lamps; and
a lower side support that supports the common electrode and that includes a shielding part, wherein the shielding part is in between a portion of the common electrode and the external electrode.
2. The backlight unit according to claim 1 , wherein the common electrode includes:
an upper contact part in contact with an upper part of an end of the external electrode;
a lower electrode installed on the lower side support; and
a side electrode vertically connected between the upper contact part and the lower electrode.
3. The backlight unit according to claim 2 , wherein the upper contact part is in surface-contact with the external electrode.
4. The backlight unit according to claim 3 , wherein the lower side support includes:
a bottom part supporting the common electrode;
a side wall part vertically extended from an end of one side of the bottom part; and
a stepped part forming a step at an end of the other side of the bottom part,
wherein the shielding part horizontally extends from the stepped part.
5. The backlight unit according to claim 4 , wherein a part of the lower electrode of the common electrode is inserted into a gap formed between the shielding part and the bottom part.
6. The backlight unit according to claim 3 , wherein the common electrode further includes a metal clip that encompass the external electrode.
7. The backlight unit according to claim 6 , wherein the metal clip is cut out from the lower electrode to encompass the external electrode.
8. The backlight unit according to claim 3 , wherein the lower side support is one of a molded material and a non-metal material that is not conductive.
9. A liquid crystal display, comprising:
a liquid crystal display panel; and
a backlight unit including:
a plurality of lamps;
a common electrode electrically connected to an external electrode of any one of the lamps; and
a lower side support that supports the common electrode and that includes a shielding part, wherein the shielding part is in between a portion of the common electrode and the external electrode.
10. The backlight unit according to claim 9 , wherein the common electrode includes:
an upper contact part in contact with an upper part of an end of the external electrode;
a lower electrode installed on the lower side support; and
a side electrode vertically connected between the upper contact part and the lower electrode.
11. The backlight unit according to claim 10 , wherein the lower side support is one of a molded material and a non-metal material that is not conductive.
12. The backlight unit according to claim 10 , wherein the upper contact part is in surface-contact with the external electrode.
13. The backlight unit according to claim 10 , wherein the lower side support includes:
a bottom part supporting the common electrode;
a side wall part vertically extended from an end of one side of the bottom part; and
a stepped part forming a step at an end of the other side of the bottom part,
wherein the shielding part horizontally extends from the stepped part.
14. The backlight unit according to claim 13 , wherein a part of the lower electrode of the common electrode is inserted into a gap formed between the shielding part and the bottom part.
15. The backlight unit according to claim 10 , wherein the common electrode further includes a metal clip that encompass the external electrode.
16. The backlight unit according to claim 15 , wherein the metal clip is cut out from the lower electrode to encompass the external electrode.