Compact lighting system and display device
First Claim
Patent Images
1. A lighting system comprising:
- a light-emitting panel comprising a front wall, a rear wall situated opposite thereto, and, between the front and the rear wall, a first edge surface and, opposite thereto, a second edge surface, the first edge surface being light-transmitting, anda first light source associated with the first edge surface, such that, in operation, light originating from the first light source is incident on the first edge surface and distributes itself in the panel,wherein the light-emitting panel widens overi. a first widening section from the first edge surface in a direction towards the second edge surface andii. a second widening section from the second edge surface in a direction towards the first edge surface,wherein the surface of the second edge surface is specularly or diffusely reflects, andwherein the light-emitting panel comprises, between the first widening section and the second edge surface, a light guide part including a structure configured for providing light extraction.
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Abstract
A compact backlight system has a light-emitting panel (1) with a front wall (2), a rear wall (3) situated opposite thereto, a first edge surface (4) and, opposite thereto, a second edge surface (5) . A first light source (6) is associated with the first edge surface (4) which is light-transmitting. The light-emitting panel (1) widens over a widening section (100) from the first edge surface (4) in a direction towards the second edge surface (5), and the rear wall (3) is provided over the widening section (100) with a multiplicity of steps (13, 13′, . . . ) each having a surface (17) facing the front wall (2) which is substantially parallel to the front wall (2).
70 Citations
9 Claims
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1. A lighting system comprising:
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a light-emitting panel comprising a front wall, a rear wall situated opposite thereto, and, between the front and the rear wall, a first edge surface and, opposite thereto, a second edge surface, the first edge surface being light-transmitting, and a first light source associated with the first edge surface, such that, in operation, light originating from the first light source is incident on the first edge surface and distributes itself in the panel, wherein the light-emitting panel widens over i. a first widening section from the first edge surface in a direction towards the second edge surface and ii. a second widening section from the second edge surface in a direction towards the first edge surface, wherein the surface of the second edge surface is specularly or diffusely reflects, and wherein the light-emitting panel comprises, between the first widening section and the second edge surface, a light guide part including a structure configured for providing light extraction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification