Assistant light source and front-light

Details Assistant light source and front-light Assistant light source and front-light

2008-01-01

2008-01-01

Tso, Laura K. (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S561000, C362S555000, C362S612000, C362S625000, C362S611000

Reexamination Certificate

active

07314303

ABSTRACT:
To provide an assistant light source and a front-light emitting light to the light guide plate efficiently. A sectional shape of prism14ain the center of light stick is isosceles triangle having a tip angle (T°) of 100° and a tilt angle (a1) of 40°. The depth of the prism14ais D1μm. A sectional shape of prism14bin a ¼ position from an end of light stick is triangle having a tip angle (T°) of 100° and a tilt angle (a2) of 34.8°. The depth of the prism14bis D2μm. A sectional shape of prism14cin an end of light stick is triangle having a tip angle (T°) of 100° and a tilt angle (a3) of 24.05°. The depth of the prism14cis D3μm.

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