LIGHTING DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER
First Claim
1. A lighting device, comprising:
- a chassis having substantially a rectangular bottom plate having short sides and long sides;
a light source unit including a plurality sets of light sources, each of the sets of light sources including at least two point light sources that are provided close to the short sides respectively to face each other and the sets of light sources being arranged along the short sides;
light guide members each provided between each of the sets of light sources, each light guide members having short-side end surfaces that face each corresponding set of the light sources; and
a positioning portion configured to position the light guide members such that a first line connecting center points between the short-side end surfaces of the respective sets of the light guide plates to be disposed on a second line connecting center points between the respective sets of light sources, wherein the chassis houses the light source unit and the light guide members therein.
1 Assignment
0 Petitions
Accused Products
Abstract
Uneven brightness is less likely to occur in lighting devices. A lighting device includes a light source unit U, light guide blocks 31 to 35, a chassis 60, and positioning portions S. The light source unit U includes a plurality sets of light sources P arranged along a centerline Lc. Each set of light sources P is a pair of LEDs 45 disposed so as to be equally distanced from the centerline Lc and face each other. The light guide blocks 31 to 35, each provided corresponding to each one of the sets of light sources P, are disposed between the set of light sources P. The light sources have two end surfaces E in a longitudinal direction that face the LEDs 45. The chassis 60 houses the light source unit U and the light guide blocks 31 to 35. The positioning portions S position a middle portion of the respective light guide blocks 31 to 35 in the longitudinal direction on the centerline Lc.
12 Citations
21 Claims
-
1. A lighting device, comprising:
-
a chassis having substantially a rectangular bottom plate having short sides and long sides; a light source unit including a plurality sets of light sources, each of the sets of light sources including at least two point light sources that are provided close to the short sides respectively to face each other and the sets of light sources being arranged along the short sides; light guide members each provided between each of the sets of light sources, each light guide members having short-side end surfaces that face each corresponding set of the light sources; and a positioning portion configured to position the light guide members such that a first line connecting center points between the short-side end surfaces of the respective sets of the light guide plates to be disposed on a second line connecting center points between the respective sets of light sources, wherein the chassis houses the light source unit and the light guide members therein. - View Dependent Claims (2, 3, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21)
-
-
4. A lighting device, comprising:
-
a chassis having substantially rectangular bottom plate having short sides and long sides; a light source unit including a plurality sets of light sources, each of the sets of the light sources including at least two light sources that are provided close to the short sides respectively to face each other and the sets of light sources being arranged along the short sides; a single light guide plate provided between the sets of light sources and having short-side end surfaces that face the sets of light sources; and a positioning portion configured to position the light guide plate such that a center line of the light guide plate along the short sides to be disposed on a line connecting center points between the respective sets of light sources, wherein the chassis houses the light source unit and the light guide plate therein. - View Dependent Claims (5, 6, 20)
-
Specification