Backlight apparatus, and a liquid crystal display (LCD) therewith

• US 7,226,184 B2
• Filed: 09/15/2005
• Issued: 06/05/2007
• Est. Priority Date: 12/28/2001
• Status: Expired due to Fees

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Takahashi, Hiroyoshi
• Primary Examiner(s): O'Shea; Sandra
• Assistant Examiner(s): Cranson, Jr.; James W
• Application Number:
  US11/227,471
• Publication Number:
  US 20060039164A1
• Time in Patent Office: 628 Days
• Field of Search: 362600-634, 362/218, 362/373, 349/58, 349/61, 349/65, 349/161
• US Class Current: 362/218
• CPC Class Codes: G02B 6/0031 Reflecting element, sheet or layer
• CPC Class Codes: G02B 6/0068 Arrangements of plural sources, e.g. multi-colour light sources
• CPC Class Codes: G02B 6/0071 with elongated shape, e.g. tube
• CPC Class Codes: G02B 6/0083 Details of electrical connections of light sources to drivers, circuit boards, or the like
• CPC Class Codes: G02B 6/0085 Means for removing heat created by the light source from the package heat extraction or cooling elements for semiconductor light sources in general H01L33/64
• CPC Class Codes: G02B 6/009 of the light source in the package G02B6/0021 takes precedence
• CPC Class Codes: G02F 1/133615 Edge-illuminating devices, i.e. illuminating from the side

Abstract

A backlight apparatus of an edge light type includes at least one elongated luminescent source, a holder in which the luminescent source is provided and a housing in which the holder is provided. A supporting component is attached to an end of the elongated luminescent source for securing the luminescent source in the holder. The supporting component has a projecting section that projects outward from the holder such that the projecting section is thermally connected to the housing.

Claims

1. A backlight apparatus of an edge light type, comprising:

at least one elongated luminescent source;

a holder in which the luminescent source is provided;

a housing in which the holder is provided; and

a supporting component attached to an end of the elongated luminescent source for securing the luminescent source in the holder, and having a projecting section that projects outward from the holder such that the projecting section is thermally connected to the housing.

2. The backlight apparatus as claimed in claim 1, wherein the projecting section is projected in a direction in which the holder is inserted into the housing.

3. The backlight apparatus as claimed in claim 1, wherein the projecting section is projected through a hole formed in the holder.

4. The backlight apparatus as claimed in claim 1, wherein the housing provides a concavity section such that the projecting section is contained in the concavity section.