Backlight device
AssigneesJapan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
InventorEiji Oohira
Life of this patent
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Abstract
A liquid crystal display device includes a LCD panel having a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side, a frame which surrounds the LCD panel and has a first opening having first to fourth sides, a planar light source disposed on the rear surface side of the LCD panel in the first opening, a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel, and an adhesive layer which has a second opening formed along the first to fourth sides of the frame. A front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side.
Claims12
A backlight device comprising:
- a light guide plate including a main surface and a side surface;
- a light source including a front side surface opposed to the side surface, the light source including a rear side surface;
- a frame including an inner side opposed to the side surface;
- an optical sheet disposed above the light guide plate,
- wherein light is emitted from the front side surface of the light source, input into the light guide plate through the side surface, and output from the main surface,
- the optical sheet extends beyond the rear side surface from the light guide plate to the inner side of the frame,
- an adhesive member overlaps a part of the optical sheet, and
- the optical sheet adheres to the frame with the adhesive member.
A backlight comprising:
- a light guide plate including a main surface and a side surface;
- a light source including a front side surface opposed to the side surface, the light source including a rear side surface;
- a frame accommodating the light guide plate and including an inner side opposed to the side surface;
- and
- a plurality of optical sheets disposed above the light guide plate,
- wherein light is emitted from the front side surface of the light source, input into the light guide plate through the side surface, and output from the main surface,
- the plurality of optical sheets include a first optical sheet, the first optical sheet disposed at a top of the plurality of the optical sheets, the first optical sheet extending beyond the rear side surface from the light guide plate to the inner side of the frame,
- an adhesive member overlaps a part of the first optical sheet, and
- the first optical sheet adheres to the frame with the adhesive member.
Dependencies are inferred from the claim text.