DISPLAY DEVICE

• US 20150131030A1
• Filed: 01/21/2015
• Published: 05/14/2015
• Est. Priority Date: 07/31/2013
• Status: Abandoned Application

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Inventors: NAKASE, Kiyotaka, FURUKAWA, Takayuki, SEKIGUCHI, Tomohiro
• Application Number:
  US14/601,703
• Publication Number:
  US 20150131030A1
• Time in Patent Office: Days
• US Class Current: 349/69
• CPC Class Codes: G02F 1/133314 Back frames
• CPC Class Codes: G02F 1/133382 Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
• CPC Class Codes: G02F 1/133385 with cooling means, e.g. fans
• CPC Class Codes: G02F 1/133603 with LEDs
• CPC Class Codes: G02F 1/133608 including particular frames or supporting means
• CPC Class Codes: G02F 2201/501 Blocking layers, e.g. against migration of ions
• CPC Class Codes: H05K 7/20963 Heat transfer by conduction from internal heat source to heat radiating structure H05K7/20972 takes precedence

Abstract

A display device includes: a display panel; a plurality of backlight units disposed on a rear side of the display panel; a first frame disposed on a rear side of the backlight units; a heat transfer sheet disposed on a rear side of the first frame above a predetermined position; and a second frame disposed on a rear side of the heat transfer sheet. An air layer is formed between the first frame and the second frame, below the heat transfer sheet.

Claims

1. A display device comprising:

a display panel;

a plurality of backlight units disposed on a rear side of the display panel;

a first frame disposed on a rear side of the plurality of the backlight units;

a heat transfer sheet disposed on a rear side of the first frame above a predetermined position; and

a second frame disposed on a rear side of the heat transfer sheet, wherein

an air layer is formed between the first frame and the second frame, below the heat transfer sheet.

2. The display device according to claim 1 further comprising:

a board disposed on a rear side of the second frame and including an electronic component,

wherein the board is disposed below the predetermined position.

3. The display device according to claim 1, wherein the predetermined position is located at a center of a length of the first frame extending in an up-down direction of the first frame.

4. The display device according to claim 1, wherein a thickness of the heat transfer sheet ranges from 0.01 mm to 1.00 mm both inclusive.

5. The display device according to claim 1, wherein a thickness of the heat transfer sheet ranges from 0.1 mm to 0.5 mm both inclusive.