IP Library › Granted Patent US 9,470,379
Granted Patent B2
US 9,470,379 · App. 14/193,536 · Granted Oct 18, 2016

Display apparatus

Inventors: Kyoung Choul Jang (Suwon-si, KR); Heong Seog Lee (Hwaseong-si, KR); Keun Bae Jeon (Suwon-si, KR)
Assignee: SAMSUNG ELECTRONICS CO., LTD.
F21K9/30G02F1/133308G02F1/133603H05K5/0026G02F2001/133317G02F2001/133607G02F2001/133612G02F2201/54
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Quick Facts
Patent No.
US 9,470,379
App. No.
14/193,536
Granted
Oct 18, 2016
Kind
B2
Abstract

A display apparatus having a display panel and a backlight to radiate light to the display panel is provided, The backlight includes a plurality of printed circuit boards disposed in an even manner and a plurality of light emitting diodes mounted on the plurality of printed circuit boards. Thus a backlight proper for a large display panel may be provided.

Claims (35)

1. A display apparatus, comprising:

a display panel,

a backlight configured to radiate to the display panel,

a bottom chassis configured to accommodate the backlight, and

a plurality of panel driving boards disposed at a rear surface of the bottom chassis,

a backlight driving board configured to control driving of the backlight,

wherein each of the plurality of panel driving boards controls a respective one of a plurality of portions of the display panel,

wherein the plurality of panel driving boards comprises a pair of panel driving board, each disposed at one of an upper portion and a lower portion of the rear surface of the bottom chassis, and

wherein each of the pair of panel driving boards is disposed at one of an upper portion and a lower portion of the backlight driving board.

2. The display apparatus of claim 1 , further comprising:

a power supplying board disposed at one side of the backlight driving board, and

a signal processing board disposed at another side of the backlight driving board.

3. The display apparatus of claim 1 ,

wherein the backlight comprises a plurality of printed circuit boards disposed in an even manner, and a plurality of light emitting diodes mounted on the plurality of printed circuit boards.

4. The display apparatus of claim 3 , wherein:

the plurality of printed circuit boards are provided in a plurality of rows arranged left and right side directions and a plurality of columns arranged in upper and lower side directions.

5. The display apparatus of claim 3 , further comprising:

a panel shaped member configured to support rear surfaces of the plurality of printed circuit boards.

6. The display apparatus of claim 5 , wherein:

the panel shaped member has a honeycomb structure formed between a pair of aluminum panels.

7. A display apparatus, comprising:

a display panel,

a backlight configured to radiate light to the display panel,

a bottom chassis configured to accommodate the backlight,

a plurality of panel driving boards disposed at a rear surface of the bottom chassis,

a panel shaped member configured to support rear surfaces of the plurality of printed circuit boards,

a middle mold configured to support the display panel, and

a supporting member disposed between the middle mold and the bottom chassis,

wherein each of the plurality of panel driving boards controls a respective one of a plurality of portions of the display panel,

wherein the backlight comprises a plurality of printed circuit boards disposed in an even manner, and a plurality of light emitting diodes mounted on the plurality of printed circuit boards, and

wherein the supporting member comprises a backlight supporting part having a thickness which is the same as a thickness of the panel shaped member and disposed between a periphery of the backlight and the bottom chassis.

8. The display apparatus of claim 7 , further comprising:

a top chassis configured to maintain the display panel in a state of being installed at the middle mold,

a side surface case having a quadrangular ring shape and provided to cover upper and lower sides and left and right sides of the bottom chassis and the top chassis, and

a rear surface case provided to cover a rear side of the side surface case.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 28, 2014
From: JANG, KYOUNG CHOUL; LEE, HEONG SEOG; JEON, KEUN BAE
To: SAMSUNG ELECTRONICS CO., LTD.
Reel/Frame 032324/0731 →
Priority Claims (1)
KR 10-2013-0087514 · Jul 24, 2013 · national
Continuity (2)
Provisional Application 61770740 · Feb 28, 2013
Related Publication 20140313116A1 · Oct 23, 2014