Backlight device and display device
AssigneeJapan Display Inc.
InventorsTetsuro Ochi, Ken Sugiyama, Toshiyuki Tsubota, Kazunari Nishita
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Abstract
A backlight device is provided and include frame formed of sheet material including at least four bars; first adhesive layer provided on one surface of the bars; reflective sheet attached to frame with first adhesive layer; second adhesive layer is provided on another surface opposed to the one surface of the bars; optical member including lightguide plate disposed on reflective sheet in frame; and light source disposed in frame and configured to emit light to optical member, wherein thickness of second adhesive layer provided on three successive bars of frame along three sides of lightguide plate is greater than thickness of first adhesive layer provided on four bars of frame.
Claims15
A backlight device comprising:
- a frame formed of a sheet material and comprising at least four bars;
- a first adhesive layer provided on one surface of the bars;
- a reflective sheet attached to the frame with the first adhesive layer;
- a second adhesive layer is provided on another surface opposed to the one
- surface of the bars;
- an optical member including a lightguide plate disposed on the reflective sheet in the frame;
- and
- a light source disposed in the frame and configured to emit light to the optical member, wherein
- a thickness of the second adhesive layer provided on three successive bars of the frame along three sides of the lightguide plate is greater than a thickness of the first adhesive layer provided on the four bars of the frame.
A display device comprising:
- a liquid crystal display panel;
- and
- a backlight device opposed to the liquid crystal display panel via a polarizing plate;
- the backlight device comprising:
- a frame formed of a sheet material and comprising at least four bars;
- a first adhesive layer provided on one surface of the bars;
- a reflective sheet attached to the frame with the first adhesive layer;
- a second adhesive layer is provided on another surface opposed to the one surface of the bars;
- a lightguide disposed on the reflective sheet in the frame;
- and
- a light source disposed in the frame and configured to emit light to the lightguide, wherein
- a thickness of the second adhesive layer provided on three successive bars of the frame along three sides of the lightguide plate is greater than a thickness of the first adhesive layer provided on the four bars of the frame;
- and
- the polarizing plate covers at least two of the internal surface of the first adhesive layer facing each other via the lightguide.
Dependencies are inferred from the claim text.