Display apparatus and backlight apparatus

• US 6,902,285 B2
• Filed: 05/28/2002
• Issued: 06/07/2005
• Est. Priority Date: 12/28/2001
• Status: Expired due to Term

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Fujitsu Display Technologies Corporation (Fujitsu Limited)
• Inventors: Hayashimoto, Seiji, Eiraku, Takayuki
• Primary Examiner(s): Husar, Stephen
• Assistant Examiner(s): Ton, Anabel
• Application Number:
  US10/156,454
• Publication Number:
  US 20030123243A1
• Time in Patent Office: 1,106 Days
• Field of Search: 349/65, 349/66, 349/67, 349/68, 349/69, 349/70, 362/31, 362/330, 362/29, 362/26, 362/27, 362/561
• US Class Current: 362/26
• CPC Class Codes: G06F 1/1601 Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64
• CPC Class Codes: G06F 2200/1612 Flat panel monitor

Abstract

A display apparatus comprises a display element, a backlight apparatus provided behind the display element and having a metal case, and a housing accommodating the display element and the backlight apparatus. In the display apparatus, electric wires for providing power to the backlight apparatus extend between the metal case of the backlight apparatus and the housing, and at least one opening is provided in the metal case in a part where the electric wires extend.

Claims

1. A display apparatus, comprising:

a display element;

a backlight apparatus provided behind the display element and having a metal case; and

housing accommodating the display element and the backlight apparatus, wherein electric wires for providing power to the backlight apparatus extend between the metal case of the backlight apparatus and the housing, and at least one opening is provided in a back of the metal case in a part along which the electric wires extend, so as to prevent a leakage current from the electric wires to the metal case.

2. The display apparatus as claimed in claim 1, wherein the backlight apparatus includes:

a light-emitting source;

a light guide plate spreading and diffusing light from the light-emitting source and radiating the light from a surface thereof; and

a power supply circuit for supplying electricity to the light-emitting source, wherein an end of each of the electric wires is connected to the light-emitting source and an opposite end of each of the electric wires is connected to the power supply circuit.

3. The display apparatus as claimed in claim 1, wherein a plurality of openings are provided in the back of the metal case in parts along which the electric wires extend.

4. The display apparatus as claimed in claim 1, wherein the opening has an elongated shape extending along a direction in which the electric wires extend.

5. A backlight apparatus, comprising:

a light-emitting source;

a light guide plate spreading and diffusing light from the light-emitting source and radiating the light from a surface thereof;

a metal case accommodating the light emitting source and the light guide plate;

a power supply circuit provided on a back of the metal case for providing power to be supplied to the light-emitting source; and

electric wires, each having an end connected to the light-emitting source and an opposite end connected to the power supply circuit;

wherein at least one opening is provided in the back of the metal case in a part along which the electric wires extend, so as to prevent a leakage current from the electric wires to the metal case.