US2011019437A1PendingUtilityA1

Light source module and display module

51
Assignee: AU OPTRONICS CORPPriority: Jul 23, 2009Filed: Sep 22, 2009Published: Jan 27, 2011
Est. expiryJul 23, 2029(~3 yrs left)· nominal 20-yr term from priority
Inventors:Super Liao
G02B 6/0038G02B 6/0011G02B 6/002G02B 6/0061
51
PatentIndex Score
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Cited by
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Claims

Abstract

A light source module including a light guide plate and a light source is provided. The light guide plate has a light incident surface and a light emitting region, and the light guide plate has a plurality of grooves or protruding patterns thereon. The length of the grooves or the protruding patterns is smaller than the length of the light guide plate. The light source is disposed on the light incident surface of the light guide plate, and the grooves or the protruding patterns of the light guide plate are disposed beside the light incident surface.

Claims

exact text as granted — not AI-modified
1 . A light source module, comprising:
 a light guide plate having a light incident surface and a light emitting region, the light guide plate having a plurality of grooves or a plurality of protruding patterns thereon, wherein a length of the grooves or the protruding patterns is smaller than the length of the light guide plate; and   a light source disposed on the light incident surface of the light guide plate, and the grooves or the protruding patterns of the light guide plate are disposed beside the light incident surface.   
     
     
         2 . The light source module as claimed in  claim 1 , wherein the light guide plate has an upper surface and a lower surface, and the grooves or the protruding patterns are disposed in at least one of the upper surface or the lower surface. 
     
     
         3 . The light source module as claimed in  claim 2 , wherein the grooves or the protruding patterns are disposed in one of the upper surface or the lower surface of the light guide plate, and another surface of the upper surface and the lower surface is a surface having a plurality of microstructures. 
     
     
         4 . The light source module as claimed in  claim 2 , wherein the light emitting region has a length L, the length of the grooves or the protruding patterns in the light emitting region is D, and 0<D<¼L. 
     
     
         5 . The light source module as claimed in  claim 2 , wherein the light guide plate further comprises a periphery region around the light emitting region, and the grooves or the protruding patterns are extending from the light incident surface towards the light emitting region across the periphery region. 
     
     
         6 . The light source module as claimed in  claim 5 , wherein the length of the periphery region is A, the length of the grooves is d, and A<d<A+¼L. 
     
     
         7 . The light source module as claimed in  claim 2 , wherein a depth or a height of the grooves or the protruding patterns in the periphery region is larger than the depth or the height of the grooves or the protruding patterns in the light emitting region. 
     
     
         8 . The light source module as claimed in  claim 7 , wherein the depth or the height of the grooves or the protruding patterns decreases in a linear manner. 
     
     
         9 . The light source module as claimed in  claim 7 , wherein the depth or the height of the grooves or the protruding patterns decreases in a nonlinear manner. 
     
     
         10 . The light source module as claimed in  claim 1 , wherein the depth or the height of the grooves or the protruding patterns changes in different manners. 
     
     
         11 . The light source module as claimed in  claim 1 , wherein the lengths of the grooves or the protruding patterns are not entirely the same. 
     
     
         12 . The light source module as claimed in  claim 1 , wherein the longitudinal sections of the grooves or the protruding patterns are V-shaped or U-shaped. 
     
     
         13 . The light source module as claimed in  claim 12 , wherein the longitudinal sections of the grooves or the protruding patterns have at least one included angle. 
     
     
         14 . The light source as claimed in  claim 1 , wherein the adjacent grooves or protruding patterns are connected to each other. 
     
     
         15 . The light source as claimed in  claim 1 , wherein the adjacent grooves or protruding patterns are not connected to each other. 
     
     
         16 . The light source as claimed in  claim 1 , wherein the extending directions of the grooves or the protruding patterns are parallel to each other. 
     
     
         17 . The light source module as claimed in  claim 1 , further comprising an optical film set disposed above the upper surface of the light guide plate. 
     
     
         18 . A display module, comprising:
 a display panel; and   a light source module as claimed in  claim 1 , disposed on a side of the display panel.

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