Area light source and display panel
A surface light source and substrate technology, which is applied in the manufacture of electrical components, electrical solid devices, semiconductor/solid devices, etc., can solve the problems of inability to pass through the light output, insufficient light output, etc., to reduce the chance of total reflection and increase the light output. Effect
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[0046] figure 1 It is a schematic cross-sectional view of a surface light source according to an embodiment of the present invention. Please refer to figure 1 , the surface light source 10 of this embodiment includes a substrate 100 , a patterned scattering layer 102 and an organic electroluminescent element 104 . The substrate 100 is a transparent substrate, such as a glass substrate. The patterned scattering layer 102 is, for example, disposed on a partial area of the substrate 100 . The patterned scattering layer 102 has a bottom surface 102 a in contact with the substrate 100 , a top surface 102 b opposite to the bottom surface 102 a , and a sidewall 102 c connecting the bottom surface 102 a and the top surface 102 b. The included angle between the side wall 102c and the bottom surface 102a is, for example, an acute angle between 5° and 65°. In addition, the area of the top surface 102b is, for example, smaller than the area of the bottom surface 102a. That is, ...
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