Backlight module and illumination device thereof
First Claim
Patent Images
1. An illumination device, comprising:
- a light source; and
a lens, disposed over the light source with a predetermined gap therebetween, comprising a bottom surface as an incident surface, a pair of upper refracting surfaces, and a pair of lateral refracting surfaces, wherein the pair of upper refracting surfaces form an included angle substantially in a range of about 80 to about 120.
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Abstract
A backlight module and an illumination device thereof. The illumination device of the backlight module comprises a light source and a lens, disposed over the light source with a predetermined gap therebetween. The lens comprises a bottom surface as an incident surface, a pair of upper refracting surfaces, and a pair of lateral refracting surfaces. The upper refracting surfaces form an included angle substantially in a range of about 80° to about 120°.
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Citations
28 Claims
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1. An illumination device, comprising:
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a light source; and
a lens, disposed over the light source with a predetermined gap therebetween, comprising a bottom surface as an incident surface, a pair of upper refracting surfaces, and a pair of lateral refracting surfaces, wherein the pair of upper refracting surfaces form an included angle substantially in a range of about 80 to about 120. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A backlight module, comprising:
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a frame;
a reflective plate disposed in the frame; and
at least one light source disposed over the reflective plate; and
a lens, disposed over the light source with a predetermined gap therebetween, comprising a bottom surface as an incident surface, a pair of upper refracting surfaces, and a pair of lateral refracting surfaces, wherein the pair of upper refracting surfaces form an included angle substantially in a range of about 80 to about 120. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification