Backlight device and liquid crystal display device therewith
First Claim
1. A backlight device for use in a liquid crystal display device in which a liquid crystal panel is irradiated with light from behind, the backlight device comprising:
- a light source that emits light;
an optical sheet that adjusts an optical path of the light emitted from the light source in such a way that the liquid crystal panel is irradiated with the light from behind; and
a frame that permits the optical sheet to be kept in position behind the liquid crystal panel, wherein the optical sheet is supported at one point on the frame.
1 Assignment
0 Petitions
Accused Products
Abstract
There are provided a light source 16 that emits light, an optical sheet 14 that adjusts the optical path of the light emitted from the light source 16 in such a way that a liquid crystal panel 12 is irradiated with the light from behind, and a frame 13 that permits the optical sheet 14 to be kept in position behind the liquid crystal panel 12. The optical sheet 14 is supported at one point on the frame 13. When the optical sheet 14 is rectangular, advisably it is supported on the frame 13 substantially at the center of one side of the optical sheet 14. For stable fitting, preferably the optical sheet 14 is supported on the frame 13 substantially at the center of that side of the optical sheet 14 which, in actual use, is located at the top with respect to the direction of gravity.
-
Citations
27 Claims
-
1. A backlight device for use in a liquid crystal display device in which a liquid crystal panel is irradiated with light from behind, the backlight device comprising:
-
a light source that emits light;
an optical sheet that adjusts an optical path of the light emitted from the light source in such a way that the liquid crystal panel is irradiated with the light from behind; and
a frame that permits the optical sheet to be kept in position behind the liquid crystal panel, wherein the optical sheet is supported at one point on the frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
-
-
26. An optical sheet for use in a liquid crystal display device, the optical sheet being fitted behind the liquid crystal display device by being supported on a frame,
wherein a portion of an outer edge of the optical sheet is extended to form a projecting portion, and the projecting portion permits the optical sheet to be supported at one point on the frame.
Specification